From 5af5a04b6f70075ca73b44ec1b85d3d92ba1d26a Mon Sep 17 00:00:00 2001 From: Lantao Liu Date: Wed, 20 Sep 2017 01:31:26 +0000 Subject: [PATCH] Update Kubernetes to 14b32888de6403aa38aedc69086c5a3aff7a4ace Signed-off-by: Lantao Liu --- vendor.conf | 18 +- vendor/github.com/google/btree/LICENSE | 202 + vendor/github.com/google/btree/README.md | 12 + vendor/github.com/google/btree/btree.go | 649 + .../gregjones/httpcache/LICENSE.txt | 7 + .../github.com/gregjones/httpcache/README.md | 24 + .../httpcache/diskcache/diskcache.go | 61 + .../gregjones/httpcache/httpcache.go | 553 + .../{ugorji => json-iterator}/go/LICENSE | 5 +- vendor/github.com/json-iterator/go/README.md | 80 + .../json-iterator/go/feature_adapter.go | 127 + .../json-iterator/go/feature_any.go | 242 + .../json-iterator/go/feature_any_array.go | 278 + .../json-iterator/go/feature_any_bool.go | 137 + .../json-iterator/go/feature_any_float.go | 83 + .../json-iterator/go/feature_any_int32.go | 74 + .../json-iterator/go/feature_any_int64.go | 74 + .../json-iterator/go/feature_any_invalid.go | 82 + .../json-iterator/go/feature_any_nil.go | 69 + .../json-iterator/go/feature_any_number.go | 104 + .../json-iterator/go/feature_any_object.go | 374 + .../json-iterator/go/feature_any_string.go | 166 + .../json-iterator/go/feature_any_uint32.go | 74 + .../json-iterator/go/feature_any_uint64.go | 74 + .../json-iterator/go/feature_config.go | 312 + .../json-iterator/go/feature_iter.go | 307 + .../json-iterator/go/feature_iter_array.go | 58 + .../json-iterator/go/feature_iter_float.go | 341 + .../json-iterator/go/feature_iter_int.go | 258 + .../json-iterator/go/feature_iter_object.go | 212 + .../json-iterator/go/feature_iter_skip.go | 127 + .../go/feature_iter_skip_sloppy.go | 144 + .../go/feature_iter_skip_strict.go | 89 + .../json-iterator/go/feature_iter_string.go | 215 + .../json-iterator/go/feature_json_number.go | 15 + .../json-iterator/go/feature_pool.go | 57 + .../json-iterator/go/feature_reflect.go | 691 + .../json-iterator/go/feature_reflect_array.go | 99 + .../go/feature_reflect_extension.go | 413 + .../json-iterator/go/feature_reflect_map.go | 244 + .../go/feature_reflect_native.go | 672 + .../go/feature_reflect_object.go | 196 + .../json-iterator/go/feature_reflect_slice.go | 149 + .../go/feature_reflect_struct_decoder.go | 916 + .../json-iterator/go/feature_stream.go | 305 + .../json-iterator/go/feature_stream_float.go | 96 + .../json-iterator/go/feature_stream_int.go | 320 + .../json-iterator/go/feature_stream_string.go | 396 + .../github.com/json-iterator/go/jsoniter.go | 18 + vendor/github.com/peterbourgon/diskv/LICENSE | 19 + .../github.com/peterbourgon/diskv/README.md | 141 + .../peterbourgon/diskv/compression.go | 64 + vendor/github.com/peterbourgon/diskv/diskv.go | 624 + vendor/github.com/peterbourgon/diskv/index.go | 115 + vendor/github.com/ugorji/go/README.md | 20 - vendor/github.com/ugorji/go/codec/0doc.go | 199 - vendor/github.com/ugorji/go/codec/README.md | 148 - vendor/github.com/ugorji/go/codec/binc.go | 929 - vendor/github.com/ugorji/go/codec/cbor.go | 592 - vendor/github.com/ugorji/go/codec/decode.go | 2053 - .../github.com/ugorji/go/codec/decode_go.go | 16 - .../github.com/ugorji/go/codec/decode_go14.go | 14 - vendor/github.com/ugorji/go/codec/encode.go | 1461 - .../ugorji/go/codec/fast-path.generated.go | 39352 -------- .../ugorji/go/codec/fast-path.not.go | 34 - .../ugorji/go/codec/gen-helper.generated.go | 243 - .../ugorji/go/codec/gen.generated.go | 175 - vendor/github.com/ugorji/go/codec/gen.go | 2014 - vendor/github.com/ugorji/go/codec/gen_15.go | 12 - vendor/github.com/ugorji/go/codec/gen_16.go | 12 - vendor/github.com/ugorji/go/codec/gen_17.go | 10 - vendor/github.com/ugorji/go/codec/helper.go | 1314 - .../ugorji/go/codec/helper_internal.go | 242 - .../ugorji/go/codec/helper_not_unsafe.go | 20 - .../ugorji/go/codec/helper_unsafe.go | 49 - vendor/github.com/ugorji/go/codec/json.go | 1234 - vendor/github.com/ugorji/go/codec/msgpack.go | 852 - vendor/github.com/ugorji/go/codec/noop.go | 213 - vendor/github.com/ugorji/go/codec/prebuild.go | 3 - vendor/github.com/ugorji/go/codec/rpc.go | 180 - vendor/github.com/ugorji/go/codec/simple.go | 526 - vendor/github.com/ugorji/go/codec/time.go | 233 - vendor/k8s.io/api/core/v1/generated.pb.go | 2819 +- vendor/k8s.io/api/core/v1/generated.proto | 43 +- vendor/k8s.io/api/core/v1/types.generated.go | 78663 ---------------- vendor/k8s.io/api/core/v1/types.go | 99 +- .../core/v1/types_swagger_doc_generated.go | 26 +- .../api/core/v1/zz_generated.deepcopy.go | 53 +- .../apimachinery/pkg/api/errors/errors.go | 45 + .../apis/meta/internalversion/conversion.go | 4 + .../pkg/apis/meta/internalversion/types.go | 12 +- .../pkg/apis/meta/v1/generated.pb.go | 471 +- .../pkg/apis/meta/v1/generated.proto | 48 +- .../apimachinery/pkg/apis/meta/v1/meta.go | 4 + .../apimachinery/pkg/apis/meta/v1/types.go | 45 +- .../meta/v1/types_swagger_doc_generated.go | 9 +- .../apis/meta/v1/unstructured/unstructured.go | 25 +- .../pkg/conversion/unstructured/converter.go | 21 +- .../pkg/runtime/serializer/json/json.go | 42 +- .../pkg/util/validation/validation.go | 25 + vendor/k8s.io/client-go/rest/config.go | 4 + vendor/k8s.io/client-go/rest/request.go | 24 +- vendor/k8s.io/client-go/rest/transport.go | 1 + vendor/k8s.io/client-go/transport/config.go | 4 + .../client-go/transport/round_trippers.go | 31 + .../k8s.io/kube-openapi/pkg/common/common.go | 47 +- vendor/k8s.io/kubernetes/pkg/api/types.go | 35 +- .../pkg/api/zz_generated.deepcopy.go | 29 + 108 files changed, 13708 insertions(+), 132253 deletions(-) create mode 100644 vendor/github.com/google/btree/LICENSE create mode 100644 vendor/github.com/google/btree/README.md create mode 100644 vendor/github.com/google/btree/btree.go create mode 100644 vendor/github.com/gregjones/httpcache/LICENSE.txt create mode 100644 vendor/github.com/gregjones/httpcache/README.md create mode 100644 vendor/github.com/gregjones/httpcache/diskcache/diskcache.go create mode 100644 vendor/github.com/gregjones/httpcache/httpcache.go rename vendor/github.com/{ugorji => json-iterator}/go/LICENSE (92%) create mode 100644 vendor/github.com/json-iterator/go/README.md create mode 100644 vendor/github.com/json-iterator/go/feature_adapter.go create mode 100644 vendor/github.com/json-iterator/go/feature_any.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_array.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_bool.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_float.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_int32.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_int64.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_invalid.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_nil.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_number.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_object.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_string.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_uint32.go create mode 100644 vendor/github.com/json-iterator/go/feature_any_uint64.go create mode 100644 vendor/github.com/json-iterator/go/feature_config.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_array.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_float.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_int.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_object.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_skip.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_skip_strict.go create mode 100644 vendor/github.com/json-iterator/go/feature_iter_string.go create mode 100644 vendor/github.com/json-iterator/go/feature_json_number.go create mode 100644 vendor/github.com/json-iterator/go/feature_pool.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_array.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_extension.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_map.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_native.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_object.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_slice.go create mode 100644 vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go create mode 100644 vendor/github.com/json-iterator/go/feature_stream.go create mode 100644 vendor/github.com/json-iterator/go/feature_stream_float.go create mode 100644 vendor/github.com/json-iterator/go/feature_stream_int.go create mode 100644 vendor/github.com/json-iterator/go/feature_stream_string.go create mode 100644 vendor/github.com/json-iterator/go/jsoniter.go create mode 100644 vendor/github.com/peterbourgon/diskv/LICENSE create mode 100644 vendor/github.com/peterbourgon/diskv/README.md create mode 100644 vendor/github.com/peterbourgon/diskv/compression.go create mode 100644 vendor/github.com/peterbourgon/diskv/diskv.go create mode 100644 vendor/github.com/peterbourgon/diskv/index.go delete mode 100644 vendor/github.com/ugorji/go/README.md delete mode 100644 vendor/github.com/ugorji/go/codec/0doc.go delete mode 100644 vendor/github.com/ugorji/go/codec/README.md delete mode 100644 vendor/github.com/ugorji/go/codec/binc.go delete mode 100644 vendor/github.com/ugorji/go/codec/cbor.go delete mode 100644 vendor/github.com/ugorji/go/codec/decode.go delete mode 100644 vendor/github.com/ugorji/go/codec/decode_go.go delete mode 100644 vendor/github.com/ugorji/go/codec/decode_go14.go delete mode 100644 vendor/github.com/ugorji/go/codec/encode.go delete mode 100644 vendor/github.com/ugorji/go/codec/fast-path.generated.go delete mode 100644 vendor/github.com/ugorji/go/codec/fast-path.not.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen-helper.generated.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen.generated.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen_15.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen_16.go delete mode 100644 vendor/github.com/ugorji/go/codec/gen_17.go delete mode 100644 vendor/github.com/ugorji/go/codec/helper.go delete mode 100644 vendor/github.com/ugorji/go/codec/helper_internal.go delete mode 100644 vendor/github.com/ugorji/go/codec/helper_not_unsafe.go delete mode 100644 vendor/github.com/ugorji/go/codec/helper_unsafe.go delete mode 100644 vendor/github.com/ugorji/go/codec/json.go delete mode 100644 vendor/github.com/ugorji/go/codec/msgpack.go delete mode 100644 vendor/github.com/ugorji/go/codec/noop.go delete mode 100644 vendor/github.com/ugorji/go/codec/prebuild.go delete mode 100644 vendor/github.com/ugorji/go/codec/rpc.go delete mode 100644 vendor/github.com/ugorji/go/codec/simple.go delete mode 100644 vendor/github.com/ugorji/go/codec/time.go delete mode 100644 vendor/k8s.io/api/core/v1/types.generated.go diff --git a/vendor.conf b/vendor.conf index e0be7fe84..8ec05d0d1 100644 --- a/vendor.conf +++ b/vendor.conf @@ -22,11 +22,13 @@ github.com/godbus/dbus 97646858c46433e4afb3432ad28c12e968efa298 github.com/gogo/protobuf d2e1ade2d719b78fe5b061b4c18a9f7111b5bdc8 github.com/golang/glog 44145f04b68cf362d9c4df2182967c2275eaefed github.com/golang/protobuf 5a0f697c9ed9d68fef0116532c6e05cfeae00e55 +github.com/google/btree 7d79101e329e5a3adf994758c578dab82b90c017 github.com/google/gofuzz 44d81051d367757e1c7c6a5a86423ece9afcf63c github.com/go-openapi/jsonpointer 46af16f9f7b149af66e5d1bd010e3574dc06de98 github.com/go-openapi/jsonreference 13c6e3589ad90f49bd3e3bbe2c2cb3d7a4142272 github.com/go-openapi/spec 6aced65f8501fe1217321abf0749d354824ba2ff github.com/go-openapi/swag 1d0bd113de87027671077d3c71eb3ac5d7dbba72 +github.com/gregjones/httpcache 787624de3eb7bd915c329cba748687a3b22666a6 github.com/hashicorp/errwrap 7554cd9344cec97297fa6649b055a8c98c2a1e55 github.com/hashicorp/go-multierror ed905158d87462226a13fe39ddf685ea65f1c11f github.com/juju/ratelimit 5b9ff866471762aa2ab2dced63c9fb6f53921342 @@ -38,6 +40,7 @@ github.com/opencontainers/runc 593914b8bd5448a93f7c3e4902a03408b6d5c0ce github.com/opencontainers/runtime-spec v1.0.0 github.com/opencontainers/runtime-tools 6073aff4ac61897f75895123f7e24135204a404d github.com/opencontainers/selinux 4a2974bf1ee960774ffd517717f1f45325af0206 +github.com/peterbourgon/diskv v2.0.1 github.com/pkg/errors v0.8.0 github.com/pmezard/go-difflib v1.0.0 github.com/PuerkitoBio/purell v1.0.0 @@ -46,7 +49,6 @@ github.com/sirupsen/logrus v1.0.0 github.com/spf13/pflag 9ff6c6923cfffbcd502984b8e0c80539a94968b7 github.com/stretchr/testify v1.1.4 github.com/syndtr/gocapability e7cb7fa329f456b3855136a2642b197bad7366ba -github.com/ugorji/go ded73eae5db7e7a0ef6f55aace87a2873c5d2b74 golang.org/x/net 7dcfb8076726a3fdd9353b6b8a1f1b6be6811bd6 golang.org/x/sync 450f422ab23cf9881c94e2db30cac0eb1b7cf80c golang.org/x/sys 7ddbeae9ae08c6a06a59597f0c9edbc5ff2444ce @@ -55,10 +57,10 @@ google.golang.org/genproto d80a6e20e776b0b17a324d0ba1ab50a39c8e8944 google.golang.org/grpc v1.3.0 gopkg.in/inf.v0 3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4 gopkg.in/yaml.v2 53feefa2559fb8dfa8d81baad31be332c97d6c77 -k8s.io/api f30e293246921de7f4ee46bb65b8762b2f890fc4 -k8s.io/apimachinery b166f81f5c4c88402ae23a0d0944c6ad08bffd3b -k8s.io/apiserver b2a8ad67a002d27c8945573abb80b4be543f2a1f -k8s.io/client-go db8228460e2de17f5d3a9a453f61dde0ba86545a -k8s.io/kube-openapi 2fbf05e337e56c983d9df1220b9e67cf132a1669 -k8s.io/kubernetes 11a836078d0c78a4253a77a3ff6f4a555c4121f9 -k8s.io/utils 1f5ba483856f60b34bb29864d4129a8065d1c83b +k8s.io/api 0b011bb8613011ab0909c6a759d9d811dc21a156 +k8s.io/apimachinery 6011652d09716d30e3d09cc9438b161efd59338d +k8s.io/apiserver 19667a1afc13cc13930c40a20f2c12bbdcaaa246 +k8s.io/client-go c6f8cf2c47d21d55fa0df928291b2580544886c8 +k8s.io/kube-openapi abfc5fbe1cf87ee697db107fdfd24c32fe4397a8 +k8s.io/kubernetes 14b32888de6403aa38aedc69086c5a3aff7a4ace +k8s.io/utils 4fe312863be2155a7b68acd2aff1c9221b24e68c diff --git a/vendor/github.com/google/btree/LICENSE b/vendor/github.com/google/btree/LICENSE new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/vendor/github.com/google/btree/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/google/btree/README.md b/vendor/github.com/google/btree/README.md new file mode 100644 index 000000000..6062a4dac --- /dev/null +++ b/vendor/github.com/google/btree/README.md @@ -0,0 +1,12 @@ +# BTree implementation for Go + +![Travis CI Build Status](https://api.travis-ci.org/google/btree.svg?branch=master) + +This package provides an in-memory B-Tree implementation for Go, useful as +an ordered, mutable data structure. + +The API is based off of the wonderful +http://godoc.org/github.com/petar/GoLLRB/llrb, and is meant to allow btree to +act as a drop-in replacement for gollrb trees. + +See http://godoc.org/github.com/google/btree for documentation. diff --git a/vendor/github.com/google/btree/btree.go b/vendor/github.com/google/btree/btree.go new file mode 100644 index 000000000..fc5aaaa13 --- /dev/null +++ b/vendor/github.com/google/btree/btree.go @@ -0,0 +1,649 @@ +// Copyright 2014 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package btree implements in-memory B-Trees of arbitrary degree. +// +// btree implements an in-memory B-Tree for use as an ordered data structure. +// It is not meant for persistent storage solutions. +// +// It has a flatter structure than an equivalent red-black or other binary tree, +// which in some cases yields better memory usage and/or performance. +// See some discussion on the matter here: +// http://google-opensource.blogspot.com/2013/01/c-containers-that-save-memory-and-time.html +// Note, though, that this project is in no way related to the C++ B-Tree +// implmentation written about there. +// +// Within this tree, each node contains a slice of items and a (possibly nil) +// slice of children. For basic numeric values or raw structs, this can cause +// efficiency differences when compared to equivalent C++ template code that +// stores values in arrays within the node: +// * Due to the overhead of storing values as interfaces (each +// value needs to be stored as the value itself, then 2 words for the +// interface pointing to that value and its type), resulting in higher +// memory use. +// * Since interfaces can point to values anywhere in memory, values are +// most likely not stored in contiguous blocks, resulting in a higher +// number of cache misses. +// These issues don't tend to matter, though, when working with strings or other +// heap-allocated structures, since C++-equivalent structures also must store +// pointers and also distribute their values across the heap. +// +// This implementation is designed to be a drop-in replacement to gollrb.LLRB +// trees, (http://github.com/petar/gollrb), an excellent and probably the most +// widely used ordered tree implementation in the Go ecosystem currently. +// Its functions, therefore, exactly mirror those of +// llrb.LLRB where possible. Unlike gollrb, though, we currently don't +// support storing multiple equivalent values or backwards iteration. +package btree + +import ( + "fmt" + "io" + "sort" + "strings" +) + +// Item represents a single object in the tree. +type Item interface { + // Less tests whether the current item is less than the given argument. + // + // This must provide a strict weak ordering. + // If !a.Less(b) && !b.Less(a), we treat this to mean a == b (i.e. we can only + // hold one of either a or b in the tree). + Less(than Item) bool +} + +const ( + DefaultFreeListSize = 32 +) + +// FreeList represents a free list of btree nodes. By default each +// BTree has its own FreeList, but multiple BTrees can share the same +// FreeList. +// Two Btrees using the same freelist are not safe for concurrent write access. +type FreeList struct { + freelist []*node +} + +// NewFreeList creates a new free list. +// size is the maximum size of the returned free list. +func NewFreeList(size int) *FreeList { + return &FreeList{freelist: make([]*node, 0, size)} +} + +func (f *FreeList) newNode() (n *node) { + index := len(f.freelist) - 1 + if index < 0 { + return new(node) + } + f.freelist, n = f.freelist[:index], f.freelist[index] + return +} + +func (f *FreeList) freeNode(n *node) { + if len(f.freelist) < cap(f.freelist) { + f.freelist = append(f.freelist, n) + } +} + +// ItemIterator allows callers of Ascend* to iterate in-order over portions of +// the tree. When this function returns false, iteration will stop and the +// associated Ascend* function will immediately return. +type ItemIterator func(i Item) bool + +// New creates a new B-Tree with the given degree. +// +// New(2), for example, will create a 2-3-4 tree (each node contains 1-3 items +// and 2-4 children). +func New(degree int) *BTree { + return NewWithFreeList(degree, NewFreeList(DefaultFreeListSize)) +} + +// NewWithFreeList creates a new B-Tree that uses the given node free list. +func NewWithFreeList(degree int, f *FreeList) *BTree { + if degree <= 1 { + panic("bad degree") + } + return &BTree{ + degree: degree, + freelist: f, + } +} + +// items stores items in a node. +type items []Item + +// insertAt inserts a value into the given index, pushing all subsequent values +// forward. +func (s *items) insertAt(index int, item Item) { + *s = append(*s, nil) + if index < len(*s) { + copy((*s)[index+1:], (*s)[index:]) + } + (*s)[index] = item +} + +// removeAt removes a value at a given index, pulling all subsequent values +// back. +func (s *items) removeAt(index int) Item { + item := (*s)[index] + (*s)[index] = nil + copy((*s)[index:], (*s)[index+1:]) + *s = (*s)[:len(*s)-1] + return item +} + +// pop removes and returns the last element in the list. +func (s *items) pop() (out Item) { + index := len(*s) - 1 + out = (*s)[index] + (*s)[index] = nil + *s = (*s)[:index] + return +} + +// find returns the index where the given item should be inserted into this +// list. 'found' is true if the item already exists in the list at the given +// index. +func (s items) find(item Item) (index int, found bool) { + i := sort.Search(len(s), func(i int) bool { + return item.Less(s[i]) + }) + if i > 0 && !s[i-1].Less(item) { + return i - 1, true + } + return i, false +} + +// children stores child nodes in a node. +type children []*node + +// insertAt inserts a value into the given index, pushing all subsequent values +// forward. +func (s *children) insertAt(index int, n *node) { + *s = append(*s, nil) + if index < len(*s) { + copy((*s)[index+1:], (*s)[index:]) + } + (*s)[index] = n +} + +// removeAt removes a value at a given index, pulling all subsequent values +// back. +func (s *children) removeAt(index int) *node { + n := (*s)[index] + (*s)[index] = nil + copy((*s)[index:], (*s)[index+1:]) + *s = (*s)[:len(*s)-1] + return n +} + +// pop removes and returns the last element in the list. +func (s *children) pop() (out *node) { + index := len(*s) - 1 + out = (*s)[index] + (*s)[index] = nil + *s = (*s)[:index] + return +} + +// node is an internal node in a tree. +// +// It must at all times maintain the invariant that either +// * len(children) == 0, len(items) unconstrained +// * len(children) == len(items) + 1 +type node struct { + items items + children children + t *BTree +} + +// split splits the given node at the given index. The current node shrinks, +// and this function returns the item that existed at that index and a new node +// containing all items/children after it. +func (n *node) split(i int) (Item, *node) { + item := n.items[i] + next := n.t.newNode() + next.items = append(next.items, n.items[i+1:]...) + n.items = n.items[:i] + if len(n.children) > 0 { + next.children = append(next.children, n.children[i+1:]...) + n.children = n.children[:i+1] + } + return item, next +} + +// maybeSplitChild checks if a child should be split, and if so splits it. +// Returns whether or not a split occurred. +func (n *node) maybeSplitChild(i, maxItems int) bool { + if len(n.children[i].items) < maxItems { + return false + } + first := n.children[i] + item, second := first.split(maxItems / 2) + n.items.insertAt(i, item) + n.children.insertAt(i+1, second) + return true +} + +// insert inserts an item into the subtree rooted at this node, making sure +// no nodes in the subtree exceed maxItems items. Should an equivalent item be +// be found/replaced by insert, it will be returned. +func (n *node) insert(item Item, maxItems int) Item { + i, found := n.items.find(item) + if found { + out := n.items[i] + n.items[i] = item + return out + } + if len(n.children) == 0 { + n.items.insertAt(i, item) + return nil + } + if n.maybeSplitChild(i, maxItems) { + inTree := n.items[i] + switch { + case item.Less(inTree): + // no change, we want first split node + case inTree.Less(item): + i++ // we want second split node + default: + out := n.items[i] + n.items[i] = item + return out + } + } + return n.children[i].insert(item, maxItems) +} + +// get finds the given key in the subtree and returns it. +func (n *node) get(key Item) Item { + i, found := n.items.find(key) + if found { + return n.items[i] + } else if len(n.children) > 0 { + return n.children[i].get(key) + } + return nil +} + +// min returns the first item in the subtree. +func min(n *node) Item { + if n == nil { + return nil + } + for len(n.children) > 0 { + n = n.children[0] + } + if len(n.items) == 0 { + return nil + } + return n.items[0] +} + +// max returns the last item in the subtree. +func max(n *node) Item { + if n == nil { + return nil + } + for len(n.children) > 0 { + n = n.children[len(n.children)-1] + } + if len(n.items) == 0 { + return nil + } + return n.items[len(n.items)-1] +} + +// toRemove details what item to remove in a node.remove call. +type toRemove int + +const ( + removeItem toRemove = iota // removes the given item + removeMin // removes smallest item in the subtree + removeMax // removes largest item in the subtree +) + +// remove removes an item from the subtree rooted at this node. +func (n *node) remove(item Item, minItems int, typ toRemove) Item { + var i int + var found bool + switch typ { + case removeMax: + if len(n.children) == 0 { + return n.items.pop() + } + i = len(n.items) + case removeMin: + if len(n.children) == 0 { + return n.items.removeAt(0) + } + i = 0 + case removeItem: + i, found = n.items.find(item) + if len(n.children) == 0 { + if found { + return n.items.removeAt(i) + } + return nil + } + default: + panic("invalid type") + } + // If we get to here, we have children. + child := n.children[i] + if len(child.items) <= minItems { + return n.growChildAndRemove(i, item, minItems, typ) + } + // Either we had enough items to begin with, or we've done some + // merging/stealing, because we've got enough now and we're ready to return + // stuff. + if found { + // The item exists at index 'i', and the child we've selected can give us a + // predecessor, since if we've gotten here it's got > minItems items in it. + out := n.items[i] + // We use our special-case 'remove' call with typ=maxItem to pull the + // predecessor of item i (the rightmost leaf of our immediate left child) + // and set it into where we pulled the item from. + n.items[i] = child.remove(nil, minItems, removeMax) + return out + } + // Final recursive call. Once we're here, we know that the item isn't in this + // node and that the child is big enough to remove from. + return child.remove(item, minItems, typ) +} + +// growChildAndRemove grows child 'i' to make sure it's possible to remove an +// item from it while keeping it at minItems, then calls remove to actually +// remove it. +// +// Most documentation says we have to do two sets of special casing: +// 1) item is in this node +// 2) item is in child +// In both cases, we need to handle the two subcases: +// A) node has enough values that it can spare one +// B) node doesn't have enough values +// For the latter, we have to check: +// a) left sibling has node to spare +// b) right sibling has node to spare +// c) we must merge +// To simplify our code here, we handle cases #1 and #2 the same: +// If a node doesn't have enough items, we make sure it does (using a,b,c). +// We then simply redo our remove call, and the second time (regardless of +// whether we're in case 1 or 2), we'll have enough items and can guarantee +// that we hit case A. +func (n *node) growChildAndRemove(i int, item Item, minItems int, typ toRemove) Item { + child := n.children[i] + if i > 0 && len(n.children[i-1].items) > minItems { + // Steal from left child + stealFrom := n.children[i-1] + stolenItem := stealFrom.items.pop() + child.items.insertAt(0, n.items[i-1]) + n.items[i-1] = stolenItem + if len(stealFrom.children) > 0 { + child.children.insertAt(0, stealFrom.children.pop()) + } + } else if i < len(n.items) && len(n.children[i+1].items) > minItems { + // steal from right child + stealFrom := n.children[i+1] + stolenItem := stealFrom.items.removeAt(0) + child.items = append(child.items, n.items[i]) + n.items[i] = stolenItem + if len(stealFrom.children) > 0 { + child.children = append(child.children, stealFrom.children.removeAt(0)) + } + } else { + if i >= len(n.items) { + i-- + child = n.children[i] + } + // merge with right child + mergeItem := n.items.removeAt(i) + mergeChild := n.children.removeAt(i + 1) + child.items = append(child.items, mergeItem) + child.items = append(child.items, mergeChild.items...) + child.children = append(child.children, mergeChild.children...) + n.t.freeNode(mergeChild) + } + return n.remove(item, minItems, typ) +} + +// iterate provides a simple method for iterating over elements in the tree. +// It could probably use some work to be extra-efficient (it calls from() a +// little more than it should), but it works pretty well for now. +// +// It requires that 'from' and 'to' both return true for values we should hit +// with the iterator. It should also be the case that 'from' returns true for +// values less than or equal to values 'to' returns true for, and 'to' +// returns true for values greater than or equal to those that 'from' +// does. +func (n *node) iterate(from, to func(Item) bool, iter ItemIterator) bool { + for i, item := range n.items { + if !from(item) { + continue + } + if len(n.children) > 0 && !n.children[i].iterate(from, to, iter) { + return false + } + if !to(item) { + return false + } + if !iter(item) { + return false + } + } + if len(n.children) > 0 { + return n.children[len(n.children)-1].iterate(from, to, iter) + } + return true +} + +// Used for testing/debugging purposes. +func (n *node) print(w io.Writer, level int) { + fmt.Fprintf(w, "%sNODE:%v\n", strings.Repeat(" ", level), n.items) + for _, c := range n.children { + c.print(w, level+1) + } +} + +// BTree is an implementation of a B-Tree. +// +// BTree stores Item instances in an ordered structure, allowing easy insertion, +// removal, and iteration. +// +// Write operations are not safe for concurrent mutation by multiple +// goroutines, but Read operations are. +type BTree struct { + degree int + length int + root *node + freelist *FreeList +} + +// maxItems returns the max number of items to allow per node. +func (t *BTree) maxItems() int { + return t.degree*2 - 1 +} + +// minItems returns the min number of items to allow per node (ignored for the +// root node). +func (t *BTree) minItems() int { + return t.degree - 1 +} + +func (t *BTree) newNode() (n *node) { + n = t.freelist.newNode() + n.t = t + return +} + +func (t *BTree) freeNode(n *node) { + for i := range n.items { + n.items[i] = nil // clear to allow GC + } + n.items = n.items[:0] + for i := range n.children { + n.children[i] = nil // clear to allow GC + } + n.children = n.children[:0] + n.t = nil // clear to allow GC + t.freelist.freeNode(n) +} + +// ReplaceOrInsert adds the given item to the tree. If an item in the tree +// already equals the given one, it is removed from the tree and returned. +// Otherwise, nil is returned. +// +// nil cannot be added to the tree (will panic). +func (t *BTree) ReplaceOrInsert(item Item) Item { + if item == nil { + panic("nil item being added to BTree") + } + if t.root == nil { + t.root = t.newNode() + t.root.items = append(t.root.items, item) + t.length++ + return nil + } else if len(t.root.items) >= t.maxItems() { + item2, second := t.root.split(t.maxItems() / 2) + oldroot := t.root + t.root = t.newNode() + t.root.items = append(t.root.items, item2) + t.root.children = append(t.root.children, oldroot, second) + } + out := t.root.insert(item, t.maxItems()) + if out == nil { + t.length++ + } + return out +} + +// Delete removes an item equal to the passed in item from the tree, returning +// it. If no such item exists, returns nil. +func (t *BTree) Delete(item Item) Item { + return t.deleteItem(item, removeItem) +} + +// DeleteMin removes the smallest item in the tree and returns it. +// If no such item exists, returns nil. +func (t *BTree) DeleteMin() Item { + return t.deleteItem(nil, removeMin) +} + +// DeleteMax removes the largest item in the tree and returns it. +// If no such item exists, returns nil. +func (t *BTree) DeleteMax() Item { + return t.deleteItem(nil, removeMax) +} + +func (t *BTree) deleteItem(item Item, typ toRemove) Item { + if t.root == nil || len(t.root.items) == 0 { + return nil + } + out := t.root.remove(item, t.minItems(), typ) + if len(t.root.items) == 0 && len(t.root.children) > 0 { + oldroot := t.root + t.root = t.root.children[0] + t.freeNode(oldroot) + } + if out != nil { + t.length-- + } + return out +} + +// AscendRange calls the iterator for every value in the tree within the range +// [greaterOrEqual, lessThan), until iterator returns false. +func (t *BTree) AscendRange(greaterOrEqual, lessThan Item, iterator ItemIterator) { + if t.root == nil { + return + } + t.root.iterate( + func(a Item) bool { return !a.Less(greaterOrEqual) }, + func(a Item) bool { return a.Less(lessThan) }, + iterator) +} + +// AscendLessThan calls the iterator for every value in the tree within the range +// [first, pivot), until iterator returns false. +func (t *BTree) AscendLessThan(pivot Item, iterator ItemIterator) { + if t.root == nil { + return + } + t.root.iterate( + func(a Item) bool { return true }, + func(a Item) bool { return a.Less(pivot) }, + iterator) +} + +// AscendGreaterOrEqual calls the iterator for every value in the tree within +// the range [pivot, last], until iterator returns false. +func (t *BTree) AscendGreaterOrEqual(pivot Item, iterator ItemIterator) { + if t.root == nil { + return + } + t.root.iterate( + func(a Item) bool { return !a.Less(pivot) }, + func(a Item) bool { return true }, + iterator) +} + +// Ascend calls the iterator for every value in the tree within the range +// [first, last], until iterator returns false. +func (t *BTree) Ascend(iterator ItemIterator) { + if t.root == nil { + return + } + t.root.iterate( + func(a Item) bool { return true }, + func(a Item) bool { return true }, + iterator) +} + +// Get looks for the key item in the tree, returning it. It returns nil if +// unable to find that item. +func (t *BTree) Get(key Item) Item { + if t.root == nil { + return nil + } + return t.root.get(key) +} + +// Min returns the smallest item in the tree, or nil if the tree is empty. +func (t *BTree) Min() Item { + return min(t.root) +} + +// Max returns the largest item in the tree, or nil if the tree is empty. +func (t *BTree) Max() Item { + return max(t.root) +} + +// Has returns true if the given key is in the tree. +func (t *BTree) Has(key Item) bool { + return t.Get(key) != nil +} + +// Len returns the number of items currently in the tree. +func (t *BTree) Len() int { + return t.length +} + +// Int implements the Item interface for integers. +type Int int + +// Less returns true if int(a) < int(b). +func (a Int) Less(b Item) bool { + return a < b.(Int) +} diff --git a/vendor/github.com/gregjones/httpcache/LICENSE.txt b/vendor/github.com/gregjones/httpcache/LICENSE.txt new file mode 100644 index 000000000..81316beb0 --- /dev/null +++ b/vendor/github.com/gregjones/httpcache/LICENSE.txt @@ -0,0 +1,7 @@ +Copyright © 2012 Greg Jones (greg.jones@gmail.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ No newline at end of file diff --git a/vendor/github.com/gregjones/httpcache/README.md b/vendor/github.com/gregjones/httpcache/README.md new file mode 100644 index 000000000..61bd830e5 --- /dev/null +++ b/vendor/github.com/gregjones/httpcache/README.md @@ -0,0 +1,24 @@ +httpcache +========= + +[![Build Status](https://travis-ci.org/gregjones/httpcache.svg?branch=master)](https://travis-ci.org/gregjones/httpcache) [![GoDoc](https://godoc.org/github.com/gregjones/httpcache?status.svg)](https://godoc.org/github.com/gregjones/httpcache) + +Package httpcache provides a http.RoundTripper implementation that works as a mostly RFC-compliant cache for http responses. + +It is only suitable for use as a 'private' cache (i.e. for a web-browser or an API-client and not for a shared proxy). + +Cache Backends +-------------- + +- The built-in 'memory' cache stores responses in an in-memory map. +- [`github.com/gregjones/httpcache/diskcache`](https://github.com/gregjones/httpcache/tree/master/diskcache) provides a filesystem-backed cache using the [diskv](https://github.com/peterbourgon/diskv) library. +- [`github.com/gregjones/httpcache/memcache`](https://github.com/gregjones/httpcache/tree/master/memcache) provides memcache implementations, for both App Engine and 'normal' memcache servers. +- [`sourcegraph.com/sourcegraph/s3cache`](https://sourcegraph.com/github.com/sourcegraph/s3cache) uses Amazon S3 for storage. +- [`github.com/gregjones/httpcache/leveldbcache`](https://github.com/gregjones/httpcache/tree/master/leveldbcache) provides a filesystem-backed cache using [leveldb](https://github.com/syndtr/goleveldb/leveldb). +- [`github.com/die-net/lrucache`](https://github.com/die-net/lrucache) provides an in-memory cache that will evict least-recently used entries. +- [`github.com/die-net/lrucache/twotier`](https://github.com/die-net/lrucache/tree/master/twotier) allows caches to be combined, for example to use lrucache above with a persistent disk-cache. + +License +------- + +- [MIT License](LICENSE.txt) diff --git a/vendor/github.com/gregjones/httpcache/diskcache/diskcache.go b/vendor/github.com/gregjones/httpcache/diskcache/diskcache.go new file mode 100644 index 000000000..42e3129d8 --- /dev/null +++ b/vendor/github.com/gregjones/httpcache/diskcache/diskcache.go @@ -0,0 +1,61 @@ +// Package diskcache provides an implementation of httpcache.Cache that uses the diskv package +// to supplement an in-memory map with persistent storage +// +package diskcache + +import ( + "bytes" + "crypto/md5" + "encoding/hex" + "github.com/peterbourgon/diskv" + "io" +) + +// Cache is an implementation of httpcache.Cache that supplements the in-memory map with persistent storage +type Cache struct { + d *diskv.Diskv +} + +// Get returns the response corresponding to key if present +func (c *Cache) Get(key string) (resp []byte, ok bool) { + key = keyToFilename(key) + resp, err := c.d.Read(key) + if err != nil { + return []byte{}, false + } + return resp, true +} + +// Set saves a response to the cache as key +func (c *Cache) Set(key string, resp []byte) { + key = keyToFilename(key) + c.d.WriteStream(key, bytes.NewReader(resp), true) +} + +// Delete removes the response with key from the cache +func (c *Cache) Delete(key string) { + key = keyToFilename(key) + c.d.Erase(key) +} + +func keyToFilename(key string) string { + h := md5.New() + io.WriteString(h, key) + return hex.EncodeToString(h.Sum(nil)) +} + +// New returns a new Cache that will store files in basePath +func New(basePath string) *Cache { + return &Cache{ + d: diskv.New(diskv.Options{ + BasePath: basePath, + CacheSizeMax: 100 * 1024 * 1024, // 100MB + }), + } +} + +// NewWithDiskv returns a new Cache using the provided Diskv as underlying +// storage. +func NewWithDiskv(d *diskv.Diskv) *Cache { + return &Cache{d} +} diff --git a/vendor/github.com/gregjones/httpcache/httpcache.go b/vendor/github.com/gregjones/httpcache/httpcache.go new file mode 100644 index 000000000..8239edc2c --- /dev/null +++ b/vendor/github.com/gregjones/httpcache/httpcache.go @@ -0,0 +1,553 @@ +// Package httpcache provides a http.RoundTripper implementation that works as a +// mostly RFC-compliant cache for http responses. +// +// It is only suitable for use as a 'private' cache (i.e. for a web-browser or an API-client +// and not for a shared proxy). +// +package httpcache + +import ( + "bufio" + "bytes" + "errors" + "fmt" + "io" + "io/ioutil" + "net/http" + "net/http/httputil" + "strings" + "sync" + "time" +) + +const ( + stale = iota + fresh + transparent + // XFromCache is the header added to responses that are returned from the cache + XFromCache = "X-From-Cache" +) + +// A Cache interface is used by the Transport to store and retrieve responses. +type Cache interface { + // Get returns the []byte representation of a cached response and a bool + // set to true if the value isn't empty + Get(key string) (responseBytes []byte, ok bool) + // Set stores the []byte representation of a response against a key + Set(key string, responseBytes []byte) + // Delete removes the value associated with the key + Delete(key string) +} + +// cacheKey returns the cache key for req. +func cacheKey(req *http.Request) string { + return req.URL.String() +} + +// CachedResponse returns the cached http.Response for req if present, and nil +// otherwise. +func CachedResponse(c Cache, req *http.Request) (resp *http.Response, err error) { + cachedVal, ok := c.Get(cacheKey(req)) + if !ok { + return + } + + b := bytes.NewBuffer(cachedVal) + return http.ReadResponse(bufio.NewReader(b), req) +} + +// MemoryCache is an implemtation of Cache that stores responses in an in-memory map. +type MemoryCache struct { + mu sync.RWMutex + items map[string][]byte +} + +// Get returns the []byte representation of the response and true if present, false if not +func (c *MemoryCache) Get(key string) (resp []byte, ok bool) { + c.mu.RLock() + resp, ok = c.items[key] + c.mu.RUnlock() + return resp, ok +} + +// Set saves response resp to the cache with key +func (c *MemoryCache) Set(key string, resp []byte) { + c.mu.Lock() + c.items[key] = resp + c.mu.Unlock() +} + +// Delete removes key from the cache +func (c *MemoryCache) Delete(key string) { + c.mu.Lock() + delete(c.items, key) + c.mu.Unlock() +} + +// NewMemoryCache returns a new Cache that will store items in an in-memory map +func NewMemoryCache() *MemoryCache { + c := &MemoryCache{items: map[string][]byte{}} + return c +} + +// Transport is an implementation of http.RoundTripper that will return values from a cache +// where possible (avoiding a network request) and will additionally add validators (etag/if-modified-since) +// to repeated requests allowing servers to return 304 / Not Modified +type Transport struct { + // The RoundTripper interface actually used to make requests + // If nil, http.DefaultTransport is used + Transport http.RoundTripper + Cache Cache + // If true, responses returned from the cache will be given an extra header, X-From-Cache + MarkCachedResponses bool +} + +// NewTransport returns a new Transport with the +// provided Cache implementation and MarkCachedResponses set to true +func NewTransport(c Cache) *Transport { + return &Transport{Cache: c, MarkCachedResponses: true} +} + +// Client returns an *http.Client that caches responses. +func (t *Transport) Client() *http.Client { + return &http.Client{Transport: t} +} + +// varyMatches will return false unless all of the cached values for the headers listed in Vary +// match the new request +func varyMatches(cachedResp *http.Response, req *http.Request) bool { + for _, header := range headerAllCommaSepValues(cachedResp.Header, "vary") { + header = http.CanonicalHeaderKey(header) + if header != "" && req.Header.Get(header) != cachedResp.Header.Get("X-Varied-"+header) { + return false + } + } + return true +} + +// RoundTrip takes a Request and returns a Response +// +// If there is a fresh Response already in cache, then it will be returned without connecting to +// the server. +// +// If there is a stale Response, then any validators it contains will be set on the new request +// to give the server a chance to respond with NotModified. If this happens, then the cached Response +// will be returned. +func (t *Transport) RoundTrip(req *http.Request) (resp *http.Response, err error) { + cacheKey := cacheKey(req) + cacheable := (req.Method == "GET" || req.Method == "HEAD") && req.Header.Get("range") == "" + var cachedResp *http.Response + if cacheable { + cachedResp, err = CachedResponse(t.Cache, req) + } else { + // Need to invalidate an existing value + t.Cache.Delete(cacheKey) + } + + transport := t.Transport + if transport == nil { + transport = http.DefaultTransport + } + + if cacheable && cachedResp != nil && err == nil { + if t.MarkCachedResponses { + cachedResp.Header.Set(XFromCache, "1") + } + + if varyMatches(cachedResp, req) { + // Can only use cached value if the new request doesn't Vary significantly + freshness := getFreshness(cachedResp.Header, req.Header) + if freshness == fresh { + return cachedResp, nil + } + + if freshness == stale { + var req2 *http.Request + // Add validators if caller hasn't already done so + etag := cachedResp.Header.Get("etag") + if etag != "" && req.Header.Get("etag") == "" { + req2 = cloneRequest(req) + req2.Header.Set("if-none-match", etag) + } + lastModified := cachedResp.Header.Get("last-modified") + if lastModified != "" && req.Header.Get("last-modified") == "" { + if req2 == nil { + req2 = cloneRequest(req) + } + req2.Header.Set("if-modified-since", lastModified) + } + if req2 != nil { + req = req2 + } + } + } + + resp, err = transport.RoundTrip(req) + if err == nil && req.Method == "GET" && resp.StatusCode == http.StatusNotModified { + // Replace the 304 response with the one from cache, but update with some new headers + endToEndHeaders := getEndToEndHeaders(resp.Header) + for _, header := range endToEndHeaders { + cachedResp.Header[header] = resp.Header[header] + } + cachedResp.Status = fmt.Sprintf("%d %s", http.StatusOK, http.StatusText(http.StatusOK)) + cachedResp.StatusCode = http.StatusOK + + resp = cachedResp + } else if (err != nil || (cachedResp != nil && resp.StatusCode >= 500)) && + req.Method == "GET" && canStaleOnError(cachedResp.Header, req.Header) { + // In case of transport failure and stale-if-error activated, returns cached content + // when available + cachedResp.Status = fmt.Sprintf("%d %s", http.StatusOK, http.StatusText(http.StatusOK)) + cachedResp.StatusCode = http.StatusOK + return cachedResp, nil + } else { + if err != nil || resp.StatusCode != http.StatusOK { + t.Cache.Delete(cacheKey) + } + if err != nil { + return nil, err + } + } + } else { + reqCacheControl := parseCacheControl(req.Header) + if _, ok := reqCacheControl["only-if-cached"]; ok { + resp = newGatewayTimeoutResponse(req) + } else { + resp, err = transport.RoundTrip(req) + if err != nil { + return nil, err + } + } + } + + if cacheable && canStore(parseCacheControl(req.Header), parseCacheControl(resp.Header)) { + for _, varyKey := range headerAllCommaSepValues(resp.Header, "vary") { + varyKey = http.CanonicalHeaderKey(varyKey) + fakeHeader := "X-Varied-" + varyKey + reqValue := req.Header.Get(varyKey) + if reqValue != "" { + resp.Header.Set(fakeHeader, reqValue) + } + } + switch req.Method { + case "GET": + // Delay caching until EOF is reached. + resp.Body = &cachingReadCloser{ + R: resp.Body, + OnEOF: func(r io.Reader) { + resp := *resp + resp.Body = ioutil.NopCloser(r) + respBytes, err := httputil.DumpResponse(&resp, true) + if err == nil { + t.Cache.Set(cacheKey, respBytes) + } + }, + } + default: + respBytes, err := httputil.DumpResponse(resp, true) + if err == nil { + t.Cache.Set(cacheKey, respBytes) + } + } + } else { + t.Cache.Delete(cacheKey) + } + return resp, nil +} + +// ErrNoDateHeader indicates that the HTTP headers contained no Date header. +var ErrNoDateHeader = errors.New("no Date header") + +// Date parses and returns the value of the Date header. +func Date(respHeaders http.Header) (date time.Time, err error) { + dateHeader := respHeaders.Get("date") + if dateHeader == "" { + err = ErrNoDateHeader + return + } + + return time.Parse(time.RFC1123, dateHeader) +} + +type realClock struct{} + +func (c *realClock) since(d time.Time) time.Duration { + return time.Since(d) +} + +type timer interface { + since(d time.Time) time.Duration +} + +var clock timer = &realClock{} + +// getFreshness will return one of fresh/stale/transparent based on the cache-control +// values of the request and the response +// +// fresh indicates the response can be returned +// stale indicates that the response needs validating before it is returned +// transparent indicates the response should not be used to fulfil the request +// +// Because this is only a private cache, 'public' and 'private' in cache-control aren't +// signficant. Similarly, smax-age isn't used. +func getFreshness(respHeaders, reqHeaders http.Header) (freshness int) { + respCacheControl := parseCacheControl(respHeaders) + reqCacheControl := parseCacheControl(reqHeaders) + if _, ok := reqCacheControl["no-cache"]; ok { + return transparent + } + if _, ok := respCacheControl["no-cache"]; ok { + return stale + } + if _, ok := reqCacheControl["only-if-cached"]; ok { + return fresh + } + + date, err := Date(respHeaders) + if err != nil { + return stale + } + currentAge := clock.since(date) + + var lifetime time.Duration + var zeroDuration time.Duration + + // If a response includes both an Expires header and a max-age directive, + // the max-age directive overrides the Expires header, even if the Expires header is more restrictive. + if maxAge, ok := respCacheControl["max-age"]; ok { + lifetime, err = time.ParseDuration(maxAge + "s") + if err != nil { + lifetime = zeroDuration + } + } else { + expiresHeader := respHeaders.Get("Expires") + if expiresHeader != "" { + expires, err := time.Parse(time.RFC1123, expiresHeader) + if err != nil { + lifetime = zeroDuration + } else { + lifetime = expires.Sub(date) + } + } + } + + if maxAge, ok := reqCacheControl["max-age"]; ok { + // the client is willing to accept a response whose age is no greater than the specified time in seconds + lifetime, err = time.ParseDuration(maxAge + "s") + if err != nil { + lifetime = zeroDuration + } + } + if minfresh, ok := reqCacheControl["min-fresh"]; ok { + // the client wants a response that will still be fresh for at least the specified number of seconds. + minfreshDuration, err := time.ParseDuration(minfresh + "s") + if err == nil { + currentAge = time.Duration(currentAge + minfreshDuration) + } + } + + if maxstale, ok := reqCacheControl["max-stale"]; ok { + // Indicates that the client is willing to accept a response that has exceeded its expiration time. + // If max-stale is assigned a value, then the client is willing to accept a response that has exceeded + // its expiration time by no more than the specified number of seconds. + // If no value is assigned to max-stale, then the client is willing to accept a stale response of any age. + // + // Responses served only because of a max-stale value are supposed to have a Warning header added to them, + // but that seems like a hassle, and is it actually useful? If so, then there needs to be a different + // return-value available here. + if maxstale == "" { + return fresh + } + maxstaleDuration, err := time.ParseDuration(maxstale + "s") + if err == nil { + currentAge = time.Duration(currentAge - maxstaleDuration) + } + } + + if lifetime > currentAge { + return fresh + } + + return stale +} + +// Returns true if either the request or the response includes the stale-if-error +// cache control extension: https://tools.ietf.org/html/rfc5861 +func canStaleOnError(respHeaders, reqHeaders http.Header) bool { + respCacheControl := parseCacheControl(respHeaders) + reqCacheControl := parseCacheControl(reqHeaders) + + var err error + lifetime := time.Duration(-1) + + if staleMaxAge, ok := respCacheControl["stale-if-error"]; ok { + if staleMaxAge != "" { + lifetime, err = time.ParseDuration(staleMaxAge + "s") + if err != nil { + return false + } + } else { + return true + } + } + if staleMaxAge, ok := reqCacheControl["stale-if-error"]; ok { + if staleMaxAge != "" { + lifetime, err = time.ParseDuration(staleMaxAge + "s") + if err != nil { + return false + } + } else { + return true + } + } + + if lifetime >= 0 { + date, err := Date(respHeaders) + if err != nil { + return false + } + currentAge := clock.since(date) + if lifetime > currentAge { + return true + } + } + + return false +} + +func getEndToEndHeaders(respHeaders http.Header) []string { + // These headers are always hop-by-hop + hopByHopHeaders := map[string]struct{}{ + "Connection": struct{}{}, + "Keep-Alive": struct{}{}, + "Proxy-Authenticate": struct{}{}, + "Proxy-Authorization": struct{}{}, + "Te": struct{}{}, + "Trailers": struct{}{}, + "Transfer-Encoding": struct{}{}, + "Upgrade": struct{}{}, + } + + for _, extra := range strings.Split(respHeaders.Get("connection"), ",") { + // any header listed in connection, if present, is also considered hop-by-hop + if strings.Trim(extra, " ") != "" { + hopByHopHeaders[http.CanonicalHeaderKey(extra)] = struct{}{} + } + } + endToEndHeaders := []string{} + for respHeader, _ := range respHeaders { + if _, ok := hopByHopHeaders[respHeader]; !ok { + endToEndHeaders = append(endToEndHeaders, respHeader) + } + } + return endToEndHeaders +} + +func canStore(reqCacheControl, respCacheControl cacheControl) (canStore bool) { + if _, ok := respCacheControl["no-store"]; ok { + return false + } + if _, ok := reqCacheControl["no-store"]; ok { + return false + } + return true +} + +func newGatewayTimeoutResponse(req *http.Request) *http.Response { + var braw bytes.Buffer + braw.WriteString("HTTP/1.1 504 Gateway Timeout\r\n\r\n") + resp, err := http.ReadResponse(bufio.NewReader(&braw), req) + if err != nil { + panic(err) + } + return resp +} + +// cloneRequest returns a clone of the provided *http.Request. +// The clone is a shallow copy of the struct and its Header map. +// (This function copyright goauth2 authors: https://code.google.com/p/goauth2) +func cloneRequest(r *http.Request) *http.Request { + // shallow copy of the struct + r2 := new(http.Request) + *r2 = *r + // deep copy of the Header + r2.Header = make(http.Header) + for k, s := range r.Header { + r2.Header[k] = s + } + return r2 +} + +type cacheControl map[string]string + +func parseCacheControl(headers http.Header) cacheControl { + cc := cacheControl{} + ccHeader := headers.Get("Cache-Control") + for _, part := range strings.Split(ccHeader, ",") { + part = strings.Trim(part, " ") + if part == "" { + continue + } + if strings.ContainsRune(part, '=') { + keyval := strings.Split(part, "=") + cc[strings.Trim(keyval[0], " ")] = strings.Trim(keyval[1], ",") + } else { + cc[part] = "" + } + } + return cc +} + +// headerAllCommaSepValues returns all comma-separated values (each +// with whitespace trimmed) for header name in headers. According to +// Section 4.2 of the HTTP/1.1 spec +// (http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2), +// values from multiple occurrences of a header should be concatenated, if +// the header's value is a comma-separated list. +func headerAllCommaSepValues(headers http.Header, name string) []string { + var vals []string + for _, val := range headers[http.CanonicalHeaderKey(name)] { + fields := strings.Split(val, ",") + for i, f := range fields { + fields[i] = strings.TrimSpace(f) + } + vals = append(vals, fields...) + } + return vals +} + +// cachingReadCloser is a wrapper around ReadCloser R that calls OnEOF +// handler with a full copy of the content read from R when EOF is +// reached. +type cachingReadCloser struct { + // Underlying ReadCloser. + R io.ReadCloser + // OnEOF is called with a copy of the content of R when EOF is reached. + OnEOF func(io.Reader) + + buf bytes.Buffer // buf stores a copy of the content of R. +} + +// Read reads the next len(p) bytes from R or until R is drained. The +// return value n is the number of bytes read. If R has no data to +// return, err is io.EOF and OnEOF is called with a full copy of what +// has been read so far. +func (r *cachingReadCloser) Read(p []byte) (n int, err error) { + n, err = r.R.Read(p) + r.buf.Write(p[:n]) + if err == io.EOF { + r.OnEOF(bytes.NewReader(r.buf.Bytes())) + } + return n, err +} + +func (r *cachingReadCloser) Close() error { + return r.R.Close() +} + +// NewMemoryCacheTransport returns a new Transport using the in-memory cache implementation +func NewMemoryCacheTransport() *Transport { + c := NewMemoryCache() + t := NewTransport(c) + return t +} diff --git a/vendor/github.com/ugorji/go/LICENSE b/vendor/github.com/json-iterator/go/LICENSE similarity index 92% rename from vendor/github.com/ugorji/go/LICENSE rename to vendor/github.com/json-iterator/go/LICENSE index 95a0f0541..2cf4f5ab2 100644 --- a/vendor/github.com/ugorji/go/LICENSE +++ b/vendor/github.com/json-iterator/go/LICENSE @@ -1,7 +1,6 @@ -The MIT License (MIT) +MIT License -Copyright (c) 2012-2015 Ugorji Nwoke. -All rights reserved. +Copyright (c) 2016 json-iterator Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal diff --git a/vendor/github.com/json-iterator/go/README.md b/vendor/github.com/json-iterator/go/README.md new file mode 100644 index 000000000..23a4b57c8 --- /dev/null +++ b/vendor/github.com/json-iterator/go/README.md @@ -0,0 +1,80 @@ +[![Sourcegraph](https://sourcegraph.com/github.com/json-iterator/go/-/badge.svg)](https://sourcegraph.com/github.com/json-iterator/go?badge) +[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/json-iterator/go) +[![Build Status](https://travis-ci.org/json-iterator/go.svg?branch=master)](https://travis-ci.org/json-iterator/go) +[![codecov](https://codecov.io/gh/json-iterator/go/branch/master/graph/badge.svg)](https://codecov.io/gh/json-iterator/go) +[![rcard](https://goreportcard.com/badge/github.com/json-iterator/go)](https://goreportcard.com/report/github.com/json-iterator/go) +[![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/json-iterator/go/master/LICENSE) +[![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby) + +A high-performance 100% compatible drop-in replacement of "encoding/json" + +``` +Go开发者们请加入我们，滴滴出行平台技术部 taowen@didichuxing.com +``` + +# Benchmark + +![benchmark](http://jsoniter.com/benchmarks/go-benchmark.png) + +Source code: https://github.com/json-iterator/go-benchmark/blob/master/src/github.com/json-iterator/go-benchmark/benchmark_medium_payload_test.go + +Raw Result (easyjson requires static code generation) + +| | ns/op | allocation bytes | allocation times | +| --- | --- | --- | --- | +| std decode | 35510 ns/op | 1960 B/op | 99 allocs/op | +| easyjson decode | 8499 ns/op | 160 B/op | 4 allocs/op | +| jsoniter decode | 5623 ns/op | 160 B/op | 3 allocs/op | +| std encode | 2213 ns/op | 712 B/op | 5 allocs/op | +| easyjson encode | 883 ns/op | 576 B/op | 3 allocs/op | +| jsoniter encode | 837 ns/op | 384 B/op | 4 allocs/op | + +# Usage + +100% compatibility with standard lib + +Replace + +```go +import "encoding/json" +json.Marshal(&data) +``` + +with + +```go +import "github.com/json-iterator/go" +jsoniter.Marshal(&data) +``` + +Replace + +```go +import "encoding/json" +json.Unmarshal(input, &data) +``` + +with + +```go +import "github.com/json-iterator/go" +jsoniter.Unmarshal(input, &data) +``` + +[More documentation](http://jsoniter.com/migrate-from-go-std.html) + +# How to get + +``` +go get github.com/json-iterator/go +``` + +# Contribution Welcomed ! + +Contributors + +* [thockin](https://github.com/thockin) +* [mattn](https://github.com/mattn) +* [cch123](https://github.com/cch123) + +Report issue or pull request, or email taowen@gmail.com, or [![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby) diff --git a/vendor/github.com/json-iterator/go/feature_adapter.go b/vendor/github.com/json-iterator/go/feature_adapter.go new file mode 100644 index 000000000..edb477c4f --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_adapter.go @@ -0,0 +1,127 @@ +package jsoniter + +import ( + "bytes" + "io" +) + +// RawMessage to make replace json with jsoniter +type RawMessage []byte + +// Unmarshal adapts to json/encoding Unmarshal API +// +// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v. +// Refer to https://godoc.org/encoding/json#Unmarshal for more information +func Unmarshal(data []byte, v interface{}) error { + return ConfigDefault.Unmarshal(data, v) +} + +func lastNotSpacePos(data []byte) int { + for i := len(data) - 1; i >= 0; i-- { + if data[i] != ' ' && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' { + return i + 1 + } + } + return 0 +} + +// UnmarshalFromString convenient method to read from string instead of []byte +func UnmarshalFromString(str string, v interface{}) error { + return ConfigDefault.UnmarshalFromString(str, v) +} + +// Get quick method to get value from deeply nested JSON structure +func Get(data []byte, path ...interface{}) Any { + return ConfigDefault.Get(data, path...) +} + +// Marshal adapts to json/encoding Marshal API +// +// Marshal returns the JSON encoding of v, adapts to json/encoding Marshal API +// Refer to https://godoc.org/encoding/json#Marshal for more information +func Marshal(v interface{}) ([]byte, error) { + return ConfigDefault.Marshal(v) +} + +// MarshalIndent same as json.MarshalIndent. Prefix is not supported. +func MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { + return ConfigDefault.MarshalIndent(v, prefix, indent) +} + +// MarshalToString convenient method to write as string instead of []byte +func MarshalToString(v interface{}) (string, error) { + return ConfigDefault.MarshalToString(v) +} + +// NewDecoder adapts to json/stream NewDecoder API. +// +// NewDecoder returns a new decoder that reads from r. +// +// Instead of a json/encoding Decoder, an Decoder is returned +// Refer to https://godoc.org/encoding/json#NewDecoder for more information +func NewDecoder(reader io.Reader) *Decoder { + return ConfigDefault.NewDecoder(reader) +} + +// Decoder reads and decodes JSON values from an input stream. +// Decoder provides identical APIs with json/stream Decoder (Token() and UseNumber() are in progress) +type Decoder struct { + iter *Iterator +} + +// Decode decode JSON into interface{} +func (adapter *Decoder) Decode(obj interface{}) error { + adapter.iter.ReadVal(obj) + err := adapter.iter.Error + if err == io.EOF { + return nil + } + return adapter.iter.Error +} + +// More is there more? +func (adapter *Decoder) More() bool { + return adapter.iter.head != adapter.iter.tail +} + +// Buffered remaining buffer +func (adapter *Decoder) Buffered() io.Reader { + remaining := adapter.iter.buf[adapter.iter.head:adapter.iter.tail] + return bytes.NewReader(remaining) +} + +// UseNumber for number JSON element, use float64 or json.NumberValue (alias of string) +func (adapter *Decoder) UseNumber() { + origCfg := adapter.iter.cfg.configBeforeFrozen + origCfg.UseNumber = true + adapter.iter.cfg = origCfg.Froze().(*frozenConfig) +} + +// NewEncoder same as json.NewEncoder +func NewEncoder(writer io.Writer) *Encoder { + return ConfigDefault.NewEncoder(writer) +} + +// Encoder same as json.Encoder +type Encoder struct { + stream *Stream +} + +// Encode encode interface{} as JSON to io.Writer +func (adapter *Encoder) Encode(val interface{}) error { + adapter.stream.WriteVal(val) + adapter.stream.Flush() + return adapter.stream.Error +} + +// SetIndent set the indention. Prefix is not supported +func (adapter *Encoder) SetIndent(prefix, indent string) { + adapter.stream.cfg.indentionStep = len(indent) +} + +// SetEscapeHTML escape html by default, set to false to disable +func (adapter *Encoder) SetEscapeHTML(escapeHTML bool) { + config := adapter.stream.cfg.configBeforeFrozen + config.EscapeHTML = escapeHTML + adapter.stream.cfg = config.Froze().(*frozenConfig) +} diff --git a/vendor/github.com/json-iterator/go/feature_any.go b/vendor/github.com/json-iterator/go/feature_any.go new file mode 100644 index 000000000..6733dce4c --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any.go @@ -0,0 +1,242 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" +) + +// Any generic object representation. +// The lazy json implementation holds []byte and parse lazily. +type Any interface { + LastError() error + ValueType() ValueType + MustBeValid() Any + ToBool() bool + ToInt() int + ToInt32() int32 + ToInt64() int64 + ToUint() uint + ToUint32() uint32 + ToUint64() uint64 + ToFloat32() float32 + ToFloat64() float64 + ToString() string + ToVal(val interface{}) + Get(path ...interface{}) Any + // TODO: add Set + Size() int + Keys() []string + GetInterface() interface{} + WriteTo(stream *Stream) +} + +type baseAny struct{} + +func (any *baseAny) Get(path ...interface{}) Any { + return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)} +} + +func (any *baseAny) Size() int { + return 0 +} + +func (any *baseAny) Keys() []string { + return []string{} +} + +func (any *baseAny) ToVal(obj interface{}) { + panic("not implemented") +} + +// WrapInt32 turn int32 into Any interface +func WrapInt32(val int32) Any { + return &int32Any{baseAny{}, val} +} + +// WrapInt64 turn int64 into Any interface +func WrapInt64(val int64) Any { + return &int64Any{baseAny{}, val} +} + +// WrapUint32 turn uint32 into Any interface +func WrapUint32(val uint32) Any { + return &uint32Any{baseAny{}, val} +} + +// WrapUint64 turn uint64 into Any interface +func WrapUint64(val uint64) Any { + return &uint64Any{baseAny{}, val} +} + +// WrapFloat64 turn float64 into Any interface +func WrapFloat64(val float64) Any { + return &floatAny{baseAny{}, val} +} + +// WrapString turn string into Any interface +func WrapString(val string) Any { + return &stringAny{baseAny{}, val} +} + +// Wrap turn a go object into Any interface +func Wrap(val interface{}) Any { + if val == nil { + return &nilAny{} + } + asAny, isAny := val.(Any) + if isAny { + return asAny + } + typ := reflect.TypeOf(val) + switch typ.Kind() { + case reflect.Slice: + return wrapArray(val) + case reflect.Struct: + return wrapStruct(val) + case reflect.Map: + return wrapMap(val) + case reflect.String: + return WrapString(val.(string)) + case reflect.Int: + return WrapInt64(int64(val.(int))) + case reflect.Int8: + return WrapInt32(int32(val.(int8))) + case reflect.Int16: + return WrapInt32(int32(val.(int16))) + case reflect.Int32: + return WrapInt32(val.(int32)) + case reflect.Int64: + return WrapInt64(val.(int64)) + case reflect.Uint: + return WrapUint64(uint64(val.(uint))) + case reflect.Uint8: + return WrapUint32(uint32(val.(uint8))) + case reflect.Uint16: + return WrapUint32(uint32(val.(uint16))) + case reflect.Uint32: + return WrapUint32(uint32(val.(uint32))) + case reflect.Uint64: + return WrapUint64(val.(uint64)) + case reflect.Float32: + return WrapFloat64(float64(val.(float32))) + case reflect.Float64: + return WrapFloat64(val.(float64)) + case reflect.Bool: + if val.(bool) == true { + return &trueAny{} + } + return &falseAny{} + } + return &invalidAny{baseAny{}, fmt.Errorf("unsupported type: %v", typ)} +} + +// ReadAny read next JSON element as an Any object. It is a better json.RawMessage. +func (iter *Iterator) ReadAny() Any { + return iter.readAny() +} + +func (iter *Iterator) readAny() Any { + c := iter.nextToken() + switch c { + case '"': + iter.unreadByte() + return &stringAny{baseAny{}, iter.ReadString()} + case 'n': + iter.skipThreeBytes('u', 'l', 'l') // null + return &nilAny{} + case 't': + iter.skipThreeBytes('r', 'u', 'e') // true + return &trueAny{} + case 'f': + iter.skipFourBytes('a', 'l', 's', 'e') // false + return &falseAny{} + case '{': + return iter.readObjectAny() + case '[': + return iter.readArrayAny() + case '-': + return iter.readNumberAny(false) + default: + return iter.readNumberAny(true) + } +} + +func (iter *Iterator) readNumberAny(positive bool) Any { + iter.startCapture(iter.head - 1) + iter.skipNumber() + lazyBuf := iter.stopCapture() + return &numberLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func (iter *Iterator) readObjectAny() Any { + iter.startCapture(iter.head - 1) + iter.skipObject() + lazyBuf := iter.stopCapture() + return &objectLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func (iter *Iterator) readArrayAny() Any { + iter.startCapture(iter.head - 1) + iter.skipArray() + lazyBuf := iter.stopCapture() + return &arrayLazyAny{baseAny{}, iter.cfg, lazyBuf, nil} +} + +func locateObjectField(iter *Iterator, target string) []byte { + var found []byte + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + if field == target { + found = iter.SkipAndReturnBytes() + return false + } + iter.Skip() + return true + }) + return found +} + +func locateArrayElement(iter *Iterator, target int) []byte { + var found []byte + n := 0 + iter.ReadArrayCB(func(iter *Iterator) bool { + if n == target { + found = iter.SkipAndReturnBytes() + return false + } + iter.Skip() + n++ + return true + }) + return found +} + +func locatePath(iter *Iterator, path []interface{}) Any { + for i, pathKeyObj := range path { + switch pathKey := pathKeyObj.(type) { + case string: + valueBytes := locateObjectField(iter, pathKey) + if valueBytes == nil { + return newInvalidAny(path[i:]) + } + iter.ResetBytes(valueBytes) + case int: + valueBytes := locateArrayElement(iter, pathKey) + if valueBytes == nil { + return newInvalidAny(path[i:]) + } + iter.ResetBytes(valueBytes) + case int32: + if '*' == pathKey { + return iter.readAny().Get(path[i:]...) + } + return newInvalidAny(path[i:]) + default: + return newInvalidAny(path[i:]) + } + } + if iter.Error != nil && iter.Error != io.EOF { + return &invalidAny{baseAny{}, iter.Error} + } + return iter.readAny() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_array.go b/vendor/github.com/json-iterator/go/feature_any_array.go new file mode 100644 index 000000000..0449e9aa4 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_array.go @@ -0,0 +1,278 @@ +package jsoniter + +import ( + "reflect" + "unsafe" +) + +type arrayLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *arrayLazyAny) ValueType() ValueType { + return ArrayValue +} + +func (any *arrayLazyAny) MustBeValid() Any { + return any +} + +func (any *arrayLazyAny) LastError() error { + return any.err +} + +func (any *arrayLazyAny) ToBool() bool { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.ReadArray() +} + +func (any *arrayLazyAny) ToInt() int { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToInt32() int32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToInt64() int64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint() uint { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint32() uint32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToUint64() uint64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToFloat32() float32 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToFloat64() float64 { + if any.ToBool() { + return 1 + } + return 0 +} + +func (any *arrayLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *arrayLazyAny) ToVal(val interface{}) { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadVal(val) +} + +func (any *arrayLazyAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int: + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + valueBytes := locateArrayElement(iter, firstPath) + if valueBytes == nil { + return newInvalidAny(path) + } + iter.ResetBytes(valueBytes) + return locatePath(iter, path[1:]) + case int32: + if '*' == firstPath { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + arr := make([]Any, 0) + iter.ReadArrayCB(func(iter *Iterator) bool { + found := iter.readAny().Get(path[1:]...) + if found.ValueType() != InvalidValue { + arr = append(arr, found) + } + return true + }) + return wrapArray(arr) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *arrayLazyAny) Size() int { + size := 0 + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadArrayCB(func(iter *Iterator) bool { + size++ + iter.Skip() + return true + }) + return size +} + +func (any *arrayLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *arrayLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} + +type arrayAny struct { + baseAny + val reflect.Value +} + +func wrapArray(val interface{}) *arrayAny { + return &arrayAny{baseAny{}, reflect.ValueOf(val)} +} + +func (any *arrayAny) ValueType() ValueType { + return ArrayValue +} + +func (any *arrayAny) MustBeValid() Any { + return any +} + +func (any *arrayAny) LastError() error { + return nil +} + +func (any *arrayAny) ToBool() bool { + return any.val.Len() != 0 +} + +func (any *arrayAny) ToInt() int { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToInt32() int32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToInt64() int64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint() uint { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint32() uint32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToUint64() uint64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToFloat32() float32 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToFloat64() float64 { + if any.val.Len() == 0 { + return 0 + } + return 1 +} + +func (any *arrayAny) ToString() string { + str, _ := MarshalToString(any.val.Interface()) + return str +} + +func (any *arrayAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int: + if firstPath < 0 || firstPath >= any.val.Len() { + return newInvalidAny(path) + } + return Wrap(any.val.Index(firstPath).Interface()) + case int32: + if '*' == firstPath { + mappedAll := make([]Any, 0) + for i := 0; i < any.val.Len(); i++ { + mapped := Wrap(any.val.Index(i).Interface()).Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll = append(mappedAll, mapped) + } + } + return wrapArray(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *arrayAny) Size() int { + return any.val.Len() +} + +func (any *arrayAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *arrayAny) GetInterface() interface{} { + return any.val.Interface() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_bool.go b/vendor/github.com/json-iterator/go/feature_any_bool.go new file mode 100644 index 000000000..9452324af --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_bool.go @@ -0,0 +1,137 @@ +package jsoniter + +type trueAny struct { + baseAny +} + +func (any *trueAny) LastError() error { + return nil +} + +func (any *trueAny) ToBool() bool { + return true +} + +func (any *trueAny) ToInt() int { + return 1 +} + +func (any *trueAny) ToInt32() int32 { + return 1 +} + +func (any *trueAny) ToInt64() int64 { + return 1 +} + +func (any *trueAny) ToUint() uint { + return 1 +} + +func (any *trueAny) ToUint32() uint32 { + return 1 +} + +func (any *trueAny) ToUint64() uint64 { + return 1 +} + +func (any *trueAny) ToFloat32() float32 { + return 1 +} + +func (any *trueAny) ToFloat64() float64 { + return 1 +} + +func (any *trueAny) ToString() string { + return "true" +} + +func (any *trueAny) WriteTo(stream *Stream) { + stream.WriteTrue() +} + +func (any *trueAny) Parse() *Iterator { + return nil +} + +func (any *trueAny) GetInterface() interface{} { + return true +} + +func (any *trueAny) ValueType() ValueType { + return BoolValue +} + +func (any *trueAny) MustBeValid() Any { + return any +} + +type falseAny struct { + baseAny +} + +func (any *falseAny) LastError() error { + return nil +} + +func (any *falseAny) ToBool() bool { + return false +} + +func (any *falseAny) ToInt() int { + return 0 +} + +func (any *falseAny) ToInt32() int32 { + return 0 +} + +func (any *falseAny) ToInt64() int64 { + return 0 +} + +func (any *falseAny) ToUint() uint { + return 0 +} + +func (any *falseAny) ToUint32() uint32 { + return 0 +} + +func (any *falseAny) ToUint64() uint64 { + return 0 +} + +func (any *falseAny) ToFloat32() float32 { + return 0 +} + +func (any *falseAny) ToFloat64() float64 { + return 0 +} + +func (any *falseAny) ToString() string { + return "false" +} + +func (any *falseAny) WriteTo(stream *Stream) { + stream.WriteFalse() +} + +func (any *falseAny) Parse() *Iterator { + return nil +} + +func (any *falseAny) GetInterface() interface{} { + return false +} + +func (any *falseAny) ValueType() ValueType { + return BoolValue +} + +func (any *falseAny) MustBeValid() Any { + return any +} diff --git a/vendor/github.com/json-iterator/go/feature_any_float.go b/vendor/github.com/json-iterator/go/feature_any_float.go new file mode 100644 index 000000000..35fdb0949 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_float.go @@ -0,0 +1,83 @@ +package jsoniter + +import ( + "strconv" +) + +type floatAny struct { + baseAny + val float64 +} + +func (any *floatAny) Parse() *Iterator { + return nil +} + +func (any *floatAny) ValueType() ValueType { + return NumberValue +} + +func (any *floatAny) MustBeValid() Any { + return any +} + +func (any *floatAny) LastError() error { + return nil +} + +func (any *floatAny) ToBool() bool { + return any.ToFloat64() != 0 +} + +func (any *floatAny) ToInt() int { + return int(any.val) +} + +func (any *floatAny) ToInt32() int32 { + return int32(any.val) +} + +func (any *floatAny) ToInt64() int64 { + return int64(any.val) +} + +func (any *floatAny) ToUint() uint { + if any.val > 0 { + return uint(any.val) + } + return 0 +} + +func (any *floatAny) ToUint32() uint32 { + if any.val > 0 { + return uint32(any.val) + } + return 0 +} + +func (any *floatAny) ToUint64() uint64 { + if any.val > 0 { + return uint64(any.val) + } + return 0 +} + +func (any *floatAny) ToFloat32() float32 { + return float32(any.val) +} + +func (any *floatAny) ToFloat64() float64 { + return any.val +} + +func (any *floatAny) ToString() string { + return strconv.FormatFloat(any.val, 'E', -1, 64) +} + +func (any *floatAny) WriteTo(stream *Stream) { + stream.WriteFloat64(any.val) +} + +func (any *floatAny) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_int32.go b/vendor/github.com/json-iterator/go/feature_any_int32.go new file mode 100644 index 000000000..1b56f3991 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_int32.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type int32Any struct { + baseAny + val int32 +} + +func (any *int32Any) LastError() error { + return nil +} + +func (any *int32Any) ValueType() ValueType { + return NumberValue +} + +func (any *int32Any) MustBeValid() Any { + return any +} + +func (any *int32Any) ToBool() bool { + return any.val != 0 +} + +func (any *int32Any) ToInt() int { + return int(any.val) +} + +func (any *int32Any) ToInt32() int32 { + return any.val +} + +func (any *int32Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *int32Any) ToUint() uint { + return uint(any.val) +} + +func (any *int32Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *int32Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *int32Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *int32Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *int32Any) ToString() string { + return strconv.FormatInt(int64(any.val), 10) +} + +func (any *int32Any) WriteTo(stream *Stream) { + stream.WriteInt32(any.val) +} + +func (any *int32Any) Parse() *Iterator { + return nil +} + +func (any *int32Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_int64.go b/vendor/github.com/json-iterator/go/feature_any_int64.go new file mode 100644 index 000000000..c440d72b6 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_int64.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type int64Any struct { + baseAny + val int64 +} + +func (any *int64Any) LastError() error { + return nil +} + +func (any *int64Any) ValueType() ValueType { + return NumberValue +} + +func (any *int64Any) MustBeValid() Any { + return any +} + +func (any *int64Any) ToBool() bool { + return any.val != 0 +} + +func (any *int64Any) ToInt() int { + return int(any.val) +} + +func (any *int64Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *int64Any) ToInt64() int64 { + return any.val +} + +func (any *int64Any) ToUint() uint { + return uint(any.val) +} + +func (any *int64Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *int64Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *int64Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *int64Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *int64Any) ToString() string { + return strconv.FormatInt(any.val, 10) +} + +func (any *int64Any) WriteTo(stream *Stream) { + stream.WriteInt64(any.val) +} + +func (any *int64Any) Parse() *Iterator { + return nil +} + +func (any *int64Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_invalid.go b/vendor/github.com/json-iterator/go/feature_any_invalid.go new file mode 100644 index 000000000..1d859eac3 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_invalid.go @@ -0,0 +1,82 @@ +package jsoniter + +import "fmt" + +type invalidAny struct { + baseAny + err error +} + +func newInvalidAny(path []interface{}) *invalidAny { + return &invalidAny{baseAny{}, fmt.Errorf("%v not found", path)} +} + +func (any *invalidAny) LastError() error { + return any.err +} + +func (any *invalidAny) ValueType() ValueType { + return InvalidValue +} + +func (any *invalidAny) MustBeValid() Any { + panic(any.err) +} + +func (any *invalidAny) ToBool() bool { + return false +} + +func (any *invalidAny) ToInt() int { + return 0 +} + +func (any *invalidAny) ToInt32() int32 { + return 0 +} + +func (any *invalidAny) ToInt64() int64 { + return 0 +} + +func (any *invalidAny) ToUint() uint { + return 0 +} + +func (any *invalidAny) ToUint32() uint32 { + return 0 +} + +func (any *invalidAny) ToUint64() uint64 { + return 0 +} + +func (any *invalidAny) ToFloat32() float32 { + return 0 +} + +func (any *invalidAny) ToFloat64() float64 { + return 0 +} + +func (any *invalidAny) ToString() string { + return "" +} + +func (any *invalidAny) WriteTo(stream *Stream) { +} + +func (any *invalidAny) Get(path ...interface{}) Any { + if any.err == nil { + return &invalidAny{baseAny{}, fmt.Errorf("get %v from invalid", path)} + } + return &invalidAny{baseAny{}, fmt.Errorf("%v, get %v from invalid", any.err, path)} +} + +func (any *invalidAny) Parse() *Iterator { + return nil +} + +func (any *invalidAny) GetInterface() interface{} { + return nil +} diff --git a/vendor/github.com/json-iterator/go/feature_any_nil.go b/vendor/github.com/json-iterator/go/feature_any_nil.go new file mode 100644 index 000000000..d04cb54c1 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_nil.go @@ -0,0 +1,69 @@ +package jsoniter + +type nilAny struct { + baseAny +} + +func (any *nilAny) LastError() error { + return nil +} + +func (any *nilAny) ValueType() ValueType { + return NilValue +} + +func (any *nilAny) MustBeValid() Any { + return any +} + +func (any *nilAny) ToBool() bool { + return false +} + +func (any *nilAny) ToInt() int { + return 0 +} + +func (any *nilAny) ToInt32() int32 { + return 0 +} + +func (any *nilAny) ToInt64() int64 { + return 0 +} + +func (any *nilAny) ToUint() uint { + return 0 +} + +func (any *nilAny) ToUint32() uint32 { + return 0 +} + +func (any *nilAny) ToUint64() uint64 { + return 0 +} + +func (any *nilAny) ToFloat32() float32 { + return 0 +} + +func (any *nilAny) ToFloat64() float64 { + return 0 +} + +func (any *nilAny) ToString() string { + return "" +} + +func (any *nilAny) WriteTo(stream *Stream) { + stream.WriteNil() +} + +func (any *nilAny) Parse() *Iterator { + return nil +} + +func (any *nilAny) GetInterface() interface{} { + return nil +} diff --git a/vendor/github.com/json-iterator/go/feature_any_number.go b/vendor/github.com/json-iterator/go/feature_any_number.go new file mode 100644 index 000000000..4e1c27641 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_number.go @@ -0,0 +1,104 @@ +package jsoniter + +import "unsafe" + +type numberLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *numberLazyAny) ValueType() ValueType { + return NumberValue +} + +func (any *numberLazyAny) MustBeValid() Any { + return any +} + +func (any *numberLazyAny) LastError() error { + return any.err +} + +func (any *numberLazyAny) ToBool() bool { + return any.ToFloat64() != 0 +} + +func (any *numberLazyAny) ToInt() int { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToInt32() int32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToInt64() int64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadInt64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint() uint { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint32() uint32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToUint64() uint64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadUint64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToFloat32() float32 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadFloat32() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToFloat64() float64 { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + val := iter.ReadFloat64() + any.err = iter.Error + return val +} + +func (any *numberLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *numberLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *numberLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_object.go b/vendor/github.com/json-iterator/go/feature_any_object.go new file mode 100644 index 000000000..c44ef5c98 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_object.go @@ -0,0 +1,374 @@ +package jsoniter + +import ( + "reflect" + "unsafe" +) + +type objectLazyAny struct { + baseAny + cfg *frozenConfig + buf []byte + err error +} + +func (any *objectLazyAny) ValueType() ValueType { + return ObjectValue +} + +func (any *objectLazyAny) MustBeValid() Any { + return any +} + +func (any *objectLazyAny) LastError() error { + return any.err +} + +func (any *objectLazyAny) ToBool() bool { + return true +} + +func (any *objectLazyAny) ToInt() int { + return 0 +} + +func (any *objectLazyAny) ToInt32() int32 { + return 0 +} + +func (any *objectLazyAny) ToInt64() int64 { + return 0 +} + +func (any *objectLazyAny) ToUint() uint { + return 0 +} + +func (any *objectLazyAny) ToUint32() uint32 { + return 0 +} + +func (any *objectLazyAny) ToUint64() uint64 { + return 0 +} + +func (any *objectLazyAny) ToFloat32() float32 { + return 0 +} + +func (any *objectLazyAny) ToFloat64() float64 { + return 0 +} + +func (any *objectLazyAny) ToString() string { + return *(*string)(unsafe.Pointer(&any.buf)) +} + +func (any *objectLazyAny) ToVal(obj interface{}) { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadVal(obj) +} + +func (any *objectLazyAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case string: + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + valueBytes := locateObjectField(iter, firstPath) + if valueBytes == nil { + return newInvalidAny(path) + } + iter.ResetBytes(valueBytes) + return locatePath(iter, path[1:]) + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadMapCB(func(iter *Iterator, field string) bool { + mapped := locatePath(iter, path[1:]) + if mapped.ValueType() != InvalidValue { + mappedAll[field] = mapped + } + return true + }) + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *objectLazyAny) Keys() []string { + keys := []string{} + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadMapCB(func(iter *Iterator, field string) bool { + iter.Skip() + keys = append(keys, field) + return true + }) + return keys +} + +func (any *objectLazyAny) Size() int { + size := 0 + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + iter.Skip() + size++ + return true + }) + return size +} + +func (any *objectLazyAny) WriteTo(stream *Stream) { + stream.Write(any.buf) +} + +func (any *objectLazyAny) GetInterface() interface{} { + iter := any.cfg.BorrowIterator(any.buf) + defer any.cfg.ReturnIterator(iter) + return iter.Read() +} + +type objectAny struct { + baseAny + err error + val reflect.Value +} + +func wrapStruct(val interface{}) *objectAny { + return &objectAny{baseAny{}, nil, reflect.ValueOf(val)} +} + +func (any *objectAny) ValueType() ValueType { + return ObjectValue +} + +func (any *objectAny) MustBeValid() Any { + return any +} + +func (any *objectAny) Parse() *Iterator { + return nil +} + +func (any *objectAny) LastError() error { + return any.err +} + +func (any *objectAny) ToBool() bool { + return any.val.NumField() != 0 +} + +func (any *objectAny) ToInt() int { + return 0 +} + +func (any *objectAny) ToInt32() int32 { + return 0 +} + +func (any *objectAny) ToInt64() int64 { + return 0 +} + +func (any *objectAny) ToUint() uint { + return 0 +} + +func (any *objectAny) ToUint32() uint32 { + return 0 +} + +func (any *objectAny) ToUint64() uint64 { + return 0 +} + +func (any *objectAny) ToFloat32() float32 { + return 0 +} + +func (any *objectAny) ToFloat64() float64 { + return 0 +} + +func (any *objectAny) ToString() string { + str, err := MarshalToString(any.val.Interface()) + any.err = err + return str +} + +func (any *objectAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case string: + field := any.val.FieldByName(firstPath) + if !field.IsValid() { + return newInvalidAny(path) + } + return Wrap(field.Interface()) + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + for i := 0; i < any.val.NumField(); i++ { + field := any.val.Field(i) + if field.CanInterface() { + mapped := Wrap(field.Interface()).Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll[any.val.Type().Field(i).Name] = mapped + } + } + } + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + return newInvalidAny(path) + } +} + +func (any *objectAny) Keys() []string { + keys := make([]string, 0, any.val.NumField()) + for i := 0; i < any.val.NumField(); i++ { + keys = append(keys, any.val.Type().Field(i).Name) + } + return keys +} + +func (any *objectAny) Size() int { + return any.val.NumField() +} + +func (any *objectAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *objectAny) GetInterface() interface{} { + return any.val.Interface() +} + +type mapAny struct { + baseAny + err error + val reflect.Value +} + +func wrapMap(val interface{}) *mapAny { + return &mapAny{baseAny{}, nil, reflect.ValueOf(val)} +} + +func (any *mapAny) ValueType() ValueType { + return ObjectValue +} + +func (any *mapAny) MustBeValid() Any { + return any +} + +func (any *mapAny) Parse() *Iterator { + return nil +} + +func (any *mapAny) LastError() error { + return any.err +} + +func (any *mapAny) ToBool() bool { + return true +} + +func (any *mapAny) ToInt() int { + return 0 +} + +func (any *mapAny) ToInt32() int32 { + return 0 +} + +func (any *mapAny) ToInt64() int64 { + return 0 +} + +func (any *mapAny) ToUint() uint { + return 0 +} + +func (any *mapAny) ToUint32() uint32 { + return 0 +} + +func (any *mapAny) ToUint64() uint64 { + return 0 +} + +func (any *mapAny) ToFloat32() float32 { + return 0 +} + +func (any *mapAny) ToFloat64() float64 { + return 0 +} + +func (any *mapAny) ToString() string { + str, err := MarshalToString(any.val.Interface()) + any.err = err + return str +} + +func (any *mapAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + switch firstPath := path[0].(type) { + case int32: + if '*' == firstPath { + mappedAll := map[string]Any{} + for _, key := range any.val.MapKeys() { + keyAsStr := key.String() + element := Wrap(any.val.MapIndex(key).Interface()) + mapped := element.Get(path[1:]...) + if mapped.ValueType() != InvalidValue { + mappedAll[keyAsStr] = mapped + } + } + return wrapMap(mappedAll) + } + return newInvalidAny(path) + default: + value := any.val.MapIndex(reflect.ValueOf(firstPath)) + if !value.IsValid() { + return newInvalidAny(path) + } + return Wrap(value.Interface()) + } +} + +func (any *mapAny) Keys() []string { + keys := make([]string, 0, any.val.Len()) + for _, key := range any.val.MapKeys() { + keys = append(keys, key.String()) + } + return keys +} + +func (any *mapAny) Size() int { + return any.val.Len() +} + +func (any *mapAny) WriteTo(stream *Stream) { + stream.WriteVal(any.val) +} + +func (any *mapAny) GetInterface() interface{} { + return any.val.Interface() +} diff --git a/vendor/github.com/json-iterator/go/feature_any_string.go b/vendor/github.com/json-iterator/go/feature_any_string.go new file mode 100644 index 000000000..abf060bd5 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_string.go @@ -0,0 +1,166 @@ +package jsoniter + +import ( + "fmt" + "strconv" +) + +type stringAny struct { + baseAny + val string +} + +func (any *stringAny) Get(path ...interface{}) Any { + if len(path) == 0 { + return any + } + return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)} +} + +func (any *stringAny) Parse() *Iterator { + return nil +} + +func (any *stringAny) ValueType() ValueType { + return StringValue +} + +func (any *stringAny) MustBeValid() Any { + return any +} + +func (any *stringAny) LastError() error { + return nil +} + +func (any *stringAny) ToBool() bool { + str := any.ToString() + if str == "0" { + return false + } + for _, c := range str { + switch c { + case ' ', '\n', '\r', '\t': + default: + return true + } + } + return false +} + +func (any *stringAny) ToInt() int { + return int(any.ToInt64()) + +} + +func (any *stringAny) ToInt32() int32 { + return int32(any.ToInt64()) +} + +func (any *stringAny) ToInt64() int64 { + if any.val == "" { + return 0 + } + + flag := 1 + startPos := 0 + endPos := 0 + if any.val[0] == '+' || any.val[0] == '-' { + startPos = 1 + } + + if any.val[0] == '-' { + flag = -1 + } + + for i := startPos; i < len(any.val); i++ { + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + break + } + } + parsed, _ := strconv.ParseInt(any.val[startPos:endPos], 10, 64) + return int64(flag) * parsed +} + +func (any *stringAny) ToUint() uint { + return uint(any.ToUint64()) +} + +func (any *stringAny) ToUint32() uint32 { + return uint32(any.ToUint64()) +} + +func (any *stringAny) ToUint64() uint64 { + if any.val == "" { + return 0 + } + + startPos := 0 + endPos := 0 + + if any.val[0] == '-' { + return 0 + } + if any.val[0] == '+' { + startPos = 1 + } + + for i := startPos; i < len(any.val); i++ { + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + break + } + } + parsed, _ := strconv.ParseUint(any.val[startPos:endPos], 10, 64) + return parsed +} + +func (any *stringAny) ToFloat32() float32 { + return float32(any.ToFloat64()) +} + +func (any *stringAny) ToFloat64() float64 { + if len(any.val) == 0 { + return 0 + } + + // first char invalid + if any.val[0] != '+' && any.val[0] != '-' && (any.val[0] > '9' || any.val[0] < '0') { + return 0 + } + + // extract valid num expression from string + // eg 123true => 123, -12.12xxa => -12.12 + endPos := 1 + for i := 1; i < len(any.val); i++ { + if any.val[i] == '.' || any.val[i] == 'e' || any.val[i] == 'E' || any.val[i] == '+' || any.val[i] == '-' { + endPos = i + 1 + continue + } + + // end position is the first char which is not digit + if any.val[i] >= '0' && any.val[i] <= '9' { + endPos = i + 1 + } else { + endPos = i + break + } + } + parsed, _ := strconv.ParseFloat(any.val[:endPos], 64) + return parsed +} + +func (any *stringAny) ToString() string { + return any.val +} + +func (any *stringAny) WriteTo(stream *Stream) { + stream.WriteString(any.val) +} + +func (any *stringAny) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_uint32.go b/vendor/github.com/json-iterator/go/feature_any_uint32.go new file mode 100644 index 000000000..656bbd33d --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_uint32.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type uint32Any struct { + baseAny + val uint32 +} + +func (any *uint32Any) LastError() error { + return nil +} + +func (any *uint32Any) ValueType() ValueType { + return NumberValue +} + +func (any *uint32Any) MustBeValid() Any { + return any +} + +func (any *uint32Any) ToBool() bool { + return any.val != 0 +} + +func (any *uint32Any) ToInt() int { + return int(any.val) +} + +func (any *uint32Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *uint32Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *uint32Any) ToUint() uint { + return uint(any.val) +} + +func (any *uint32Any) ToUint32() uint32 { + return any.val +} + +func (any *uint32Any) ToUint64() uint64 { + return uint64(any.val) +} + +func (any *uint32Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *uint32Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *uint32Any) ToString() string { + return strconv.FormatInt(int64(any.val), 10) +} + +func (any *uint32Any) WriteTo(stream *Stream) { + stream.WriteUint32(any.val) +} + +func (any *uint32Any) Parse() *Iterator { + return nil +} + +func (any *uint32Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_any_uint64.go b/vendor/github.com/json-iterator/go/feature_any_uint64.go new file mode 100644 index 000000000..7df2fce33 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_any_uint64.go @@ -0,0 +1,74 @@ +package jsoniter + +import ( + "strconv" +) + +type uint64Any struct { + baseAny + val uint64 +} + +func (any *uint64Any) LastError() error { + return nil +} + +func (any *uint64Any) ValueType() ValueType { + return NumberValue +} + +func (any *uint64Any) MustBeValid() Any { + return any +} + +func (any *uint64Any) ToBool() bool { + return any.val != 0 +} + +func (any *uint64Any) ToInt() int { + return int(any.val) +} + +func (any *uint64Any) ToInt32() int32 { + return int32(any.val) +} + +func (any *uint64Any) ToInt64() int64 { + return int64(any.val) +} + +func (any *uint64Any) ToUint() uint { + return uint(any.val) +} + +func (any *uint64Any) ToUint32() uint32 { + return uint32(any.val) +} + +func (any *uint64Any) ToUint64() uint64 { + return any.val +} + +func (any *uint64Any) ToFloat32() float32 { + return float32(any.val) +} + +func (any *uint64Any) ToFloat64() float64 { + return float64(any.val) +} + +func (any *uint64Any) ToString() string { + return strconv.FormatUint(any.val, 10) +} + +func (any *uint64Any) WriteTo(stream *Stream) { + stream.WriteUint64(any.val) +} + +func (any *uint64Any) Parse() *Iterator { + return nil +} + +func (any *uint64Any) GetInterface() interface{} { + return any.val +} diff --git a/vendor/github.com/json-iterator/go/feature_config.go b/vendor/github.com/json-iterator/go/feature_config.go new file mode 100644 index 000000000..fc055d504 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_config.go @@ -0,0 +1,312 @@ +package jsoniter + +import ( + "encoding/json" + "errors" + "io" + "reflect" + "sync/atomic" + "unsafe" +) + +// Config customize how the API should behave. +// The API is created from Config by Froze. +type Config struct { + IndentionStep int + MarshalFloatWith6Digits bool + EscapeHTML bool + SortMapKeys bool + UseNumber bool + TagKey string +} + +type frozenConfig struct { + configBeforeFrozen Config + sortMapKeys bool + indentionStep int + decoderCache unsafe.Pointer + encoderCache unsafe.Pointer + extensions []Extension + streamPool chan *Stream + iteratorPool chan *Iterator +} + +// API the public interface of this package. +// Primary Marshal and Unmarshal. +type API interface { + IteratorPool + StreamPool + MarshalToString(v interface{}) (string, error) + Marshal(v interface{}) ([]byte, error) + MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) + UnmarshalFromString(str string, v interface{}) error + Unmarshal(data []byte, v interface{}) error + Get(data []byte, path ...interface{}) Any + NewEncoder(writer io.Writer) *Encoder + NewDecoder(reader io.Reader) *Decoder +} + +// ConfigDefault the default API +var ConfigDefault = Config{ + EscapeHTML: true, +}.Froze() + +// ConfigCompatibleWithStandardLibrary tries to be 100% compatible with standard library behavior +var ConfigCompatibleWithStandardLibrary = Config{ + EscapeHTML: true, + SortMapKeys: true, +}.Froze() + +// ConfigFastest marshals float with only 6 digits precision +var ConfigFastest = Config{ + EscapeHTML: false, + MarshalFloatWith6Digits: true, +}.Froze() + +// Froze forge API from config +func (cfg Config) Froze() API { + // TODO: cache frozen config + frozenConfig := &frozenConfig{ + sortMapKeys: cfg.SortMapKeys, + indentionStep: cfg.IndentionStep, + streamPool: make(chan *Stream, 16), + iteratorPool: make(chan *Iterator, 16), + } + atomic.StorePointer(&frozenConfig.decoderCache, unsafe.Pointer(&map[string]ValDecoder{})) + atomic.StorePointer(&frozenConfig.encoderCache, unsafe.Pointer(&map[string]ValEncoder{})) + if cfg.MarshalFloatWith6Digits { + frozenConfig.marshalFloatWith6Digits() + } + if cfg.EscapeHTML { + frozenConfig.escapeHTML() + } + if cfg.UseNumber { + frozenConfig.useNumber() + } + frozenConfig.configBeforeFrozen = cfg + return frozenConfig +} + +func (cfg *frozenConfig) useNumber() { + cfg.addDecoderToCache(reflect.TypeOf((*interface{})(nil)).Elem(), &funcDecoder{func(ptr unsafe.Pointer, iter *Iterator) { + if iter.WhatIsNext() == NumberValue { + *((*interface{})(ptr)) = json.Number(iter.readNumberAsString()) + } else { + *((*interface{})(ptr)) = iter.Read() + } + }}) +} +func (cfg *frozenConfig) getTagKey() string { + tagKey := cfg.configBeforeFrozen.TagKey + if tagKey == "" { + return "json" + } + return tagKey +} + +func (cfg *frozenConfig) registerExtension(extension Extension) { + cfg.extensions = append(cfg.extensions, extension) +} + +type lossyFloat32Encoder struct { +} + +func (encoder *lossyFloat32Encoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat32Lossy(*((*float32)(ptr))) +} + +func (encoder *lossyFloat32Encoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *lossyFloat32Encoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float32)(ptr)) == 0 +} + +type lossyFloat64Encoder struct { +} + +func (encoder *lossyFloat64Encoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat64Lossy(*((*float64)(ptr))) +} + +func (encoder *lossyFloat64Encoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *lossyFloat64Encoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float64)(ptr)) == 0 +} + +// EnableLossyFloatMarshalling keeps 10**(-6) precision +// for float variables for better performance. +func (cfg *frozenConfig) marshalFloatWith6Digits() { + // for better performance + cfg.addEncoderToCache(reflect.TypeOf((*float32)(nil)).Elem(), &lossyFloat32Encoder{}) + cfg.addEncoderToCache(reflect.TypeOf((*float64)(nil)).Elem(), &lossyFloat64Encoder{}) +} + +type htmlEscapedStringEncoder struct { +} + +func (encoder *htmlEscapedStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + str := *((*string)(ptr)) + stream.WriteStringWithHTMLEscaped(str) +} + +func (encoder *htmlEscapedStringEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *htmlEscapedStringEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return *((*string)(ptr)) == "" +} + +func (cfg *frozenConfig) escapeHTML() { + cfg.addEncoderToCache(reflect.TypeOf((*string)(nil)).Elem(), &htmlEscapedStringEncoder{}) +} + +func (cfg *frozenConfig) addDecoderToCache(cacheKey reflect.Type, decoder ValDecoder) { + done := false + for !done { + ptr := atomic.LoadPointer(&cfg.decoderCache) + cache := *(*map[reflect.Type]ValDecoder)(ptr) + copied := map[reflect.Type]ValDecoder{} + for k, v := range cache { + copied[k] = v + } + copied[cacheKey] = decoder + done = atomic.CompareAndSwapPointer(&cfg.decoderCache, ptr, unsafe.Pointer(&copied)) + } +} + +func (cfg *frozenConfig) addEncoderToCache(cacheKey reflect.Type, encoder ValEncoder) { + done := false + for !done { + ptr := atomic.LoadPointer(&cfg.encoderCache) + cache := *(*map[reflect.Type]ValEncoder)(ptr) + copied := map[reflect.Type]ValEncoder{} + for k, v := range cache { + copied[k] = v + } + copied[cacheKey] = encoder + done = atomic.CompareAndSwapPointer(&cfg.encoderCache, ptr, unsafe.Pointer(&copied)) + } +} + +func (cfg *frozenConfig) getDecoderFromCache(cacheKey reflect.Type) ValDecoder { + ptr := atomic.LoadPointer(&cfg.decoderCache) + cache := *(*map[reflect.Type]ValDecoder)(ptr) + return cache[cacheKey] +} + +func (cfg *frozenConfig) getEncoderFromCache(cacheKey reflect.Type) ValEncoder { + ptr := atomic.LoadPointer(&cfg.encoderCache) + cache := *(*map[reflect.Type]ValEncoder)(ptr) + return cache[cacheKey] +} + +func (cfg *frozenConfig) cleanDecoders() { + typeDecoders = map[string]ValDecoder{} + fieldDecoders = map[string]ValDecoder{} + *cfg = *(cfg.configBeforeFrozen.Froze().(*frozenConfig)) +} + +func (cfg *frozenConfig) cleanEncoders() { + typeEncoders = map[string]ValEncoder{} + fieldEncoders = map[string]ValEncoder{} + *cfg = *(cfg.configBeforeFrozen.Froze().(*frozenConfig)) +} + +func (cfg *frozenConfig) MarshalToString(v interface{}) (string, error) { + stream := cfg.BorrowStream(nil) + defer cfg.ReturnStream(stream) + stream.WriteVal(v) + if stream.Error != nil { + return "", stream.Error + } + return string(stream.Buffer()), nil +} + +func (cfg *frozenConfig) Marshal(v interface{}) ([]byte, error) { + stream := cfg.BorrowStream(nil) + defer cfg.ReturnStream(stream) + stream.WriteVal(v) + if stream.Error != nil { + return nil, stream.Error + } + result := stream.Buffer() + copied := make([]byte, len(result)) + copy(copied, result) + return copied, nil +} + +func (cfg *frozenConfig) MarshalIndent(v interface{}, prefix, indent string) ([]byte, error) { + if prefix != "" { + panic("prefix is not supported") + } + for _, r := range indent { + if r != ' ' { + panic("indent can only be space") + } + } + newCfg := cfg.configBeforeFrozen + newCfg.IndentionStep = len(indent) + return newCfg.Froze().Marshal(v) +} + +func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error { + data := []byte(str) + data = data[:lastNotSpacePos(data)] + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + iter.ReadVal(v) + if iter.head == iter.tail { + iter.loadMore() + } + if iter.Error == io.EOF { + return nil + } + if iter.Error == nil { + iter.ReportError("UnmarshalFromString", "there are bytes left after unmarshal") + } + return iter.Error +} + +func (cfg *frozenConfig) Get(data []byte, path ...interface{}) Any { + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + return locatePath(iter, path) +} + +func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error { + data = data[:lastNotSpacePos(data)] + iter := cfg.BorrowIterator(data) + defer cfg.ReturnIterator(iter) + typ := reflect.TypeOf(v) + if typ.Kind() != reflect.Ptr { + // return non-pointer error + return errors.New("the second param must be ptr type") + } + iter.ReadVal(v) + if iter.head == iter.tail { + iter.loadMore() + } + if iter.Error == io.EOF { + return nil + } + if iter.Error == nil { + iter.ReportError("Unmarshal", "there are bytes left after unmarshal") + } + return iter.Error +} + +func (cfg *frozenConfig) NewEncoder(writer io.Writer) *Encoder { + stream := NewStream(cfg, writer, 512) + return &Encoder{stream} +} + +func (cfg *frozenConfig) NewDecoder(reader io.Reader) *Decoder { + iter := Parse(cfg, reader, 512) + return &Decoder{iter} +} diff --git a/vendor/github.com/json-iterator/go/feature_iter.go b/vendor/github.com/json-iterator/go/feature_iter.go new file mode 100644 index 000000000..4357d69ba --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter.go @@ -0,0 +1,307 @@ +package jsoniter + +import ( + "encoding/json" + "fmt" + "io" +) + +// ValueType the type for JSON element +type ValueType int + +const ( + // InvalidValue invalid JSON element + InvalidValue ValueType = iota + // StringValue JSON element "string" + StringValue + // NumberValue JSON element 100 or 0.10 + NumberValue + // NilValue JSON element null + NilValue + // BoolValue JSON element true or false + BoolValue + // ArrayValue JSON element [] + ArrayValue + // ObjectValue JSON element {} + ObjectValue +) + +var hexDigits []byte +var valueTypes []ValueType + +func init() { + hexDigits = make([]byte, 256) + for i := 0; i < len(hexDigits); i++ { + hexDigits[i] = 255 + } + for i := '0'; i <= '9'; i++ { + hexDigits[i] = byte(i - '0') + } + for i := 'a'; i <= 'f'; i++ { + hexDigits[i] = byte((i - 'a') + 10) + } + for i := 'A'; i <= 'F'; i++ { + hexDigits[i] = byte((i - 'A') + 10) + } + valueTypes = make([]ValueType, 256) + for i := 0; i < len(valueTypes); i++ { + valueTypes[i] = InvalidValue + } + valueTypes['"'] = StringValue + valueTypes['-'] = NumberValue + valueTypes['0'] = NumberValue + valueTypes['1'] = NumberValue + valueTypes['2'] = NumberValue + valueTypes['3'] = NumberValue + valueTypes['4'] = NumberValue + valueTypes['5'] = NumberValue + valueTypes['6'] = NumberValue + valueTypes['7'] = NumberValue + valueTypes['8'] = NumberValue + valueTypes['9'] = NumberValue + valueTypes['t'] = BoolValue + valueTypes['f'] = BoolValue + valueTypes['n'] = NilValue + valueTypes['['] = ArrayValue + valueTypes['{'] = ObjectValue +} + +// Iterator is a io.Reader like object, with JSON specific read functions. +// Error is not returned as return value, but stored as Error member on this iterator instance. +type Iterator struct { + cfg *frozenConfig + reader io.Reader + buf []byte + head int + tail int + captureStartedAt int + captured []byte + Error error +} + +// NewIterator creates an empty Iterator instance +func NewIterator(cfg API) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: nil, + buf: nil, + head: 0, + tail: 0, + } +} + +// Parse creates an Iterator instance from io.Reader +func Parse(cfg API, reader io.Reader, bufSize int) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: reader, + buf: make([]byte, bufSize), + head: 0, + tail: 0, + } +} + +// ParseBytes creates an Iterator instance from byte array +func ParseBytes(cfg API, input []byte) *Iterator { + return &Iterator{ + cfg: cfg.(*frozenConfig), + reader: nil, + buf: input, + head: 0, + tail: len(input), + } +} + +// ParseString creates an Iterator instance from string +func ParseString(cfg API, input string) *Iterator { + return ParseBytes(cfg, []byte(input)) +} + +// Pool returns a pool can provide more iterator with same configuration +func (iter *Iterator) Pool() IteratorPool { + return iter.cfg +} + +// Reset reuse iterator instance by specifying another reader +func (iter *Iterator) Reset(reader io.Reader) *Iterator { + iter.reader = reader + iter.head = 0 + iter.tail = 0 + return iter +} + +// ResetBytes reuse iterator instance by specifying another byte array as input +func (iter *Iterator) ResetBytes(input []byte) *Iterator { + iter.reader = nil + iter.buf = input + iter.head = 0 + iter.tail = len(input) + return iter +} + +// WhatIsNext gets ValueType of relatively next json element +func (iter *Iterator) WhatIsNext() ValueType { + valueType := valueTypes[iter.nextToken()] + iter.unreadByte() + return valueType +} + +func (iter *Iterator) skipWhitespacesWithoutLoadMore() bool { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\t', '\r': + continue + } + iter.head = i + return false + } + return true +} + +func (iter *Iterator) isObjectEnd() bool { + c := iter.nextToken() + if c == ',' { + return false + } + if c == '}' { + return true + } + iter.ReportError("isObjectEnd", "object ended prematurely") + return true +} + +func (iter *Iterator) nextToken() byte { + // a variation of skip whitespaces, returning the next non-whitespace token + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\t', '\r': + continue + } + iter.head = i + 1 + return c + } + if !iter.loadMore() { + return 0 + } + } +} + +// ReportError record a error in iterator instance with current position. +func (iter *Iterator) ReportError(operation string, msg string) { + if iter.Error != nil { + if iter.Error != io.EOF { + return + } + } + peekStart := iter.head - 10 + if peekStart < 0 { + peekStart = 0 + } + iter.Error = fmt.Errorf("%s: %s, parsing %v ...%s... at %s", operation, msg, iter.head, + string(iter.buf[peekStart:iter.head]), string(iter.buf[0:iter.tail])) +} + +// CurrentBuffer gets current buffer as string for debugging purpose +func (iter *Iterator) CurrentBuffer() string { + peekStart := iter.head - 10 + if peekStart < 0 { + peekStart = 0 + } + return fmt.Sprintf("parsing %v ...|%s|... at %s", iter.head, + string(iter.buf[peekStart:iter.head]), string(iter.buf[0:iter.tail])) +} + +func (iter *Iterator) readByte() (ret byte) { + if iter.head == iter.tail { + if iter.loadMore() { + ret = iter.buf[iter.head] + iter.head++ + return ret + } + return 0 + } + ret = iter.buf[iter.head] + iter.head++ + return ret +} + +func (iter *Iterator) loadMore() bool { + if iter.reader == nil { + if iter.Error == nil { + iter.head = iter.tail + iter.Error = io.EOF + } + return false + } + if iter.captured != nil { + iter.captured = append(iter.captured, + iter.buf[iter.captureStartedAt:iter.tail]...) + iter.captureStartedAt = 0 + } + for { + n, err := iter.reader.Read(iter.buf) + if n == 0 { + if err != nil { + if iter.Error == nil { + iter.Error = err + } + return false + } + } else { + iter.head = 0 + iter.tail = n + return true + } + } +} + +func (iter *Iterator) unreadByte() { + if iter.Error != nil { + return + } + iter.head-- + return +} + +// Read read the next JSON element as generic interface{}. +func (iter *Iterator) Read() interface{} { + valueType := iter.WhatIsNext() + switch valueType { + case StringValue: + return iter.ReadString() + case NumberValue: + if iter.cfg.configBeforeFrozen.UseNumber { + return json.Number(iter.readNumberAsString()) + } + return iter.ReadFloat64() + case NilValue: + iter.skipFourBytes('n', 'u', 'l', 'l') + return nil + case BoolValue: + return iter.ReadBool() + case ArrayValue: + arr := []interface{}{} + iter.ReadArrayCB(func(iter *Iterator) bool { + var elem interface{} + iter.ReadVal(&elem) + arr = append(arr, elem) + return true + }) + return arr + case ObjectValue: + obj := map[string]interface{}{} + iter.ReadMapCB(func(Iter *Iterator, field string) bool { + var elem interface{} + iter.ReadVal(&elem) + obj[field] = elem + return true + }) + return obj + default: + iter.ReportError("Read", fmt.Sprintf("unexpected value type: %v", valueType)) + return nil + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_array.go b/vendor/github.com/json-iterator/go/feature_iter_array.go new file mode 100644 index 000000000..cbc3ec8d1 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_array.go @@ -0,0 +1,58 @@ +package jsoniter + +// ReadArray read array element, tells if the array has more element to read. +func (iter *Iterator) ReadArray() (ret bool) { + c := iter.nextToken() + switch c { + case 'n': + iter.skipThreeBytes('u', 'l', 'l') + return false // null + case '[': + c = iter.nextToken() + if c != ']' { + iter.unreadByte() + return true + } + return false + case ']': + return false + case ',': + return true + default: + iter.ReportError("ReadArray", "expect [ or , or ] or n, but found: "+string([]byte{c})) + return + } +} + +// ReadArrayCB read array with callback +func (iter *Iterator) ReadArrayCB(callback func(*Iterator) bool) (ret bool) { + c := iter.nextToken() + if c == '[' { + c = iter.nextToken() + if c != ']' { + iter.unreadByte() + if !callback(iter) { + return false + } + c = iter.nextToken() + for c == ',' { + if !callback(iter) { + return false + } + c = iter.nextToken() + } + if c != ']' { + iter.ReportError("ReadArrayCB", "expect ] in the end") + return false + } + return true + } + return true + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadArrayCB", "expect [ or n, but found: "+string([]byte{c})) + return false +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_float.go b/vendor/github.com/json-iterator/go/feature_iter_float.go new file mode 100644 index 000000000..86f459912 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_float.go @@ -0,0 +1,341 @@ +package jsoniter + +import ( + "io" + "math/big" + "strconv" + "strings" + "unsafe" +) + +var floatDigits []int8 + +const invalidCharForNumber = int8(-1) +const endOfNumber = int8(-2) +const dotInNumber = int8(-3) + +func init() { + floatDigits = make([]int8, 256) + for i := 0; i < len(floatDigits); i++ { + floatDigits[i] = invalidCharForNumber + } + for i := int8('0'); i <= int8('9'); i++ { + floatDigits[i] = i - int8('0') + } + floatDigits[','] = endOfNumber + floatDigits[']'] = endOfNumber + floatDigits['}'] = endOfNumber + floatDigits[' '] = endOfNumber + floatDigits['\t'] = endOfNumber + floatDigits['\n'] = endOfNumber + floatDigits['.'] = dotInNumber +} + +// ReadBigFloat read big.Float +func (iter *Iterator) ReadBigFloat() (ret *big.Float) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return nil + } + prec := 64 + if len(str) > prec { + prec = len(str) + } + val, _, err := big.ParseFloat(str, 10, uint(prec), big.ToZero) + if err != nil { + iter.Error = err + return nil + } + return val +} + +// ReadBigInt read big.Int +func (iter *Iterator) ReadBigInt() (ret *big.Int) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return nil + } + ret = big.NewInt(0) + var success bool + ret, success = ret.SetString(str, 10) + if !success { + iter.ReportError("ReadBigInt", "invalid big int") + return nil + } + return ret +} + +//ReadFloat32 read float32 +func (iter *Iterator) ReadFloat32() (ret float32) { + c := iter.nextToken() + if c == '-' { + return -iter.readPositiveFloat32() + } + iter.unreadByte() + return iter.readPositiveFloat32() +} + +func (iter *Iterator) readPositiveFloat32() (ret float32) { + value := uint64(0) + c := byte(' ') + i := iter.head + // first char + if i == iter.tail { + return iter.readFloat32SlowPath() + } + c = iter.buf[i] + i++ + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat32SlowPath() + case endOfNumber: + iter.ReportError("readFloat32", "empty number") + return + case dotInNumber: + iter.ReportError("readFloat32", "leading dot is invalid") + return + case 0: + if i == iter.tail { + return iter.readFloat32SlowPath() + } + c = iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.ReportError("readFloat32", "leading zero is invalid") + return + } + } + value = uint64(ind) + // chars before dot +non_decimal_loop: + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat32SlowPath() + case endOfNumber: + iter.head = i + return float32(value) + case dotInNumber: + break non_decimal_loop + } + if value > uint64SafeToMultiple10 { + return iter.readFloat32SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind; + } + // chars after dot + if c == '.' { + i++ + decimalPlaces := 0 + if i == iter.tail { + return iter.readFloat32SlowPath() + } + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case endOfNumber: + if decimalPlaces > 0 && decimalPlaces < len(pow10) { + iter.head = i + return float32(float64(value) / float64(pow10[decimalPlaces])) + } + // too many decimal places + return iter.readFloat32SlowPath() + case invalidCharForNumber: + fallthrough + case dotInNumber: + return iter.readFloat32SlowPath() + } + decimalPlaces++ + if value > uint64SafeToMultiple10 { + return iter.readFloat32SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) + } + } + return iter.readFloat32SlowPath() +} + +func (iter *Iterator) readNumberAsString() (ret string) { + strBuf := [16]byte{} + str := strBuf[0:0] +load_loop: + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case '+', '-', '.', 'e', 'E', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + str = append(str, c) + continue + default: + iter.head = i + break load_loop + } + } + if !iter.loadMore() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + return + } + if len(str) == 0 { + iter.ReportError("readNumberAsString", "invalid number") + } + return *(*string)(unsafe.Pointer(&str)) +} + +func (iter *Iterator) readFloat32SlowPath() (ret float32) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return + } + errMsg := validateFloat(str) + if errMsg != "" { + iter.ReportError("readFloat32SlowPath", errMsg) + return + } + val, err := strconv.ParseFloat(str, 32) + if err != nil { + iter.Error = err + return + } + return float32(val) +} + +// ReadFloat64 read float64 +func (iter *Iterator) ReadFloat64() (ret float64) { + c := iter.nextToken() + if c == '-' { + return -iter.readPositiveFloat64() + } + iter.unreadByte() + return iter.readPositiveFloat64() +} + +func (iter *Iterator) readPositiveFloat64() (ret float64) { + value := uint64(0) + c := byte(' ') + i := iter.head + // first char + if i == iter.tail { + return iter.readFloat64SlowPath() + } + c = iter.buf[i] + i++ + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat64SlowPath() + case endOfNumber: + iter.ReportError("readFloat64", "empty number") + return + case dotInNumber: + iter.ReportError("readFloat64", "leading dot is invalid") + return + case 0: + if i == iter.tail { + return iter.readFloat64SlowPath() + } + c = iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.ReportError("readFloat64", "leading zero is invalid") + return + } + } + value = uint64(ind) + // chars before dot +non_decimal_loop: + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case invalidCharForNumber: + return iter.readFloat64SlowPath() + case endOfNumber: + iter.head = i + return float64(value) + case dotInNumber: + break non_decimal_loop + } + if value > uint64SafeToMultiple10 { + return iter.readFloat64SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) // value = value * 10 + ind; + } + // chars after dot + if c == '.' { + i++ + decimalPlaces := 0 + if i == iter.tail { + return iter.readFloat64SlowPath() + } + for ; i < iter.tail; i++ { + c = iter.buf[i] + ind := floatDigits[c] + switch ind { + case endOfNumber: + if decimalPlaces > 0 && decimalPlaces < len(pow10) { + iter.head = i + return float64(value) / float64(pow10[decimalPlaces]) + } + // too many decimal places + return iter.readFloat64SlowPath() + case invalidCharForNumber: + fallthrough + case dotInNumber: + return iter.readFloat64SlowPath() + } + decimalPlaces++ + if value > uint64SafeToMultiple10 { + return iter.readFloat64SlowPath() + } + value = (value << 3) + (value << 1) + uint64(ind) + } + } + return iter.readFloat64SlowPath() +} + +func (iter *Iterator) readFloat64SlowPath() (ret float64) { + str := iter.readNumberAsString() + if iter.Error != nil && iter.Error != io.EOF { + return + } + errMsg := validateFloat(str) + if errMsg != "" { + iter.ReportError("readFloat64SlowPath", errMsg) + return + } + val, err := strconv.ParseFloat(str, 64) + if err != nil { + iter.Error = err + return + } + return val +} + +func validateFloat(str string) string { + // strconv.ParseFloat is not validating `1.` or `1.e1` + if len(str) == 0 { + return "empty number" + } + if str[0] == '-' { + return "-- is not valid" + } + dotPos := strings.IndexByte(str, '.') + if dotPos != -1 { + if dotPos == len(str)-1 { + return "dot can not be last character" + } + switch str[dotPos+1] { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + default: + return "missing digit after dot" + } + } + return "" +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_int.go b/vendor/github.com/json-iterator/go/feature_iter_int.go new file mode 100644 index 000000000..886879efd --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_int.go @@ -0,0 +1,258 @@ +package jsoniter + +import ( + "math" + "strconv" +) + +var intDigits []int8 + +const uint32SafeToMultiply10 = uint32(0xffffffff)/10 - 1 +const uint64SafeToMultiple10 = uint64(0xffffffffffffffff)/10 - 1 + +func init() { + intDigits = make([]int8, 256) + for i := 0; i < len(intDigits); i++ { + intDigits[i] = invalidCharForNumber + } + for i := int8('0'); i <= int8('9'); i++ { + intDigits[i] = i - int8('0') + } +} + +// ReadUint read uint +func (iter *Iterator) ReadUint() uint { + return uint(iter.ReadUint64()) +} + +// ReadInt read int +func (iter *Iterator) ReadInt() int { + return int(iter.ReadInt64()) +} + +// ReadInt8 read int8 +func (iter *Iterator) ReadInt8() (ret int8) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt8+1 { + iter.ReportError("ReadInt8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int8(val) + } + val := iter.readUint32(c) + if val > math.MaxInt8 { + iter.ReportError("ReadInt8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int8(val) +} + +// ReadUint8 read uint8 +func (iter *Iterator) ReadUint8() (ret uint8) { + val := iter.readUint32(iter.nextToken()) + if val > math.MaxUint8 { + iter.ReportError("ReadUint8", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return uint8(val) +} + +// ReadInt16 read int16 +func (iter *Iterator) ReadInt16() (ret int16) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt16+1 { + iter.ReportError("ReadInt16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int16(val) + } + val := iter.readUint32(c) + if val > math.MaxInt16 { + iter.ReportError("ReadInt16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int16(val) +} + +// ReadUint16 read uint16 +func (iter *Iterator) ReadUint16() (ret uint16) { + val := iter.readUint32(iter.nextToken()) + if val > math.MaxUint16 { + iter.ReportError("ReadUint16", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return uint16(val) +} + +// ReadInt32 read int32 +func (iter *Iterator) ReadInt32() (ret int32) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint32(iter.readByte()) + if val > math.MaxInt32+1 { + iter.ReportError("ReadInt32", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return -int32(val) + } + val := iter.readUint32(c) + if val > math.MaxInt32 { + iter.ReportError("ReadInt32", "overflow: "+strconv.FormatInt(int64(val), 10)) + return + } + return int32(val) +} + +// ReadUint32 read uint32 +func (iter *Iterator) ReadUint32() (ret uint32) { + return iter.readUint32(iter.nextToken()) +} + +func (iter *Iterator) readUint32(c byte) (ret uint32) { + ind := intDigits[c] + if ind == 0 { + return 0 // single zero + } + if ind == invalidCharForNumber { + iter.ReportError("readUint32", "unexpected character: "+string([]byte{byte(ind)})) + return + } + value := uint32(ind) + if iter.tail-iter.head > 10 { + i := iter.head + ind2 := intDigits[iter.buf[i]] + if ind2 == invalidCharForNumber { + iter.head = i + return value + } + i++ + ind3 := intDigits[iter.buf[i]] + if ind3 == invalidCharForNumber { + iter.head = i + return value*10 + uint32(ind2) + } + //iter.head = i + 1 + //value = value * 100 + uint32(ind2) * 10 + uint32(ind3) + i++ + ind4 := intDigits[iter.buf[i]] + if ind4 == invalidCharForNumber { + iter.head = i + return value*100 + uint32(ind2)*10 + uint32(ind3) + } + i++ + ind5 := intDigits[iter.buf[i]] + if ind5 == invalidCharForNumber { + iter.head = i + return value*1000 + uint32(ind2)*100 + uint32(ind3)*10 + uint32(ind4) + } + i++ + ind6 := intDigits[iter.buf[i]] + if ind6 == invalidCharForNumber { + iter.head = i + return value*10000 + uint32(ind2)*1000 + uint32(ind3)*100 + uint32(ind4)*10 + uint32(ind5) + } + i++ + ind7 := intDigits[iter.buf[i]] + if ind7 == invalidCharForNumber { + iter.head = i + return value*100000 + uint32(ind2)*10000 + uint32(ind3)*1000 + uint32(ind4)*100 + uint32(ind5)*10 + uint32(ind6) + } + i++ + ind8 := intDigits[iter.buf[i]] + if ind8 == invalidCharForNumber { + iter.head = i + return value*1000000 + uint32(ind2)*100000 + uint32(ind3)*10000 + uint32(ind4)*1000 + uint32(ind5)*100 + uint32(ind6)*10 + uint32(ind7) + } + i++ + ind9 := intDigits[iter.buf[i]] + value = value*10000000 + uint32(ind2)*1000000 + uint32(ind3)*100000 + uint32(ind4)*10000 + uint32(ind5)*1000 + uint32(ind6)*100 + uint32(ind7)*10 + uint32(ind8) + iter.head = i + if ind9 == invalidCharForNumber { + return value + } + } + for { + for i := iter.head; i < iter.tail; i++ { + ind = intDigits[iter.buf[i]] + if ind == invalidCharForNumber { + iter.head = i + return value + } + if value > uint32SafeToMultiply10 { + value2 := (value << 3) + (value << 1) + uint32(ind) + if value2 < value { + iter.ReportError("readUint32", "overflow") + return + } + value = value2 + continue + } + value = (value << 3) + (value << 1) + uint32(ind) + } + if !iter.loadMore() { + return value + } + } +} + +// ReadInt64 read int64 +func (iter *Iterator) ReadInt64() (ret int64) { + c := iter.nextToken() + if c == '-' { + val := iter.readUint64(iter.readByte()) + if val > math.MaxInt64+1 { + iter.ReportError("ReadInt64", "overflow: "+strconv.FormatUint(uint64(val), 10)) + return + } + return -int64(val) + } + val := iter.readUint64(c) + if val > math.MaxInt64 { + iter.ReportError("ReadInt64", "overflow: "+strconv.FormatUint(uint64(val), 10)) + return + } + return int64(val) +} + +// ReadUint64 read uint64 +func (iter *Iterator) ReadUint64() uint64 { + return iter.readUint64(iter.nextToken()) +} + +func (iter *Iterator) readUint64(c byte) (ret uint64) { + ind := intDigits[c] + if ind == 0 { + return 0 // single zero + } + if ind == invalidCharForNumber { + iter.ReportError("readUint64", "unexpected character: "+string([]byte{byte(ind)})) + return + } + value := uint64(ind) + for { + for i := iter.head; i < iter.tail; i++ { + ind = intDigits[iter.buf[i]] + if ind == invalidCharForNumber { + iter.head = i + return value + } + if value > uint64SafeToMultiple10 { + value2 := (value << 3) + (value << 1) + uint64(ind) + if value2 < value { + iter.ReportError("readUint64", "overflow") + return + } + value = value2 + continue + } + value = (value << 3) + (value << 1) + uint64(ind) + } + if !iter.loadMore() { + return value + } + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_object.go b/vendor/github.com/json-iterator/go/feature_iter_object.go new file mode 100644 index 000000000..3bdb5576e --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_object.go @@ -0,0 +1,212 @@ +package jsoniter + +import ( + "fmt" + "unicode" + "unsafe" +) + +// ReadObject read one field from object. +// If object ended, returns empty string. +// Otherwise, returns the field name. +func (iter *Iterator) ReadObject() (ret string) { + c := iter.nextToken() + switch c { + case 'n': + iter.skipThreeBytes('u', 'l', 'l') + return "" // null + case '{': + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + return string(iter.readObjectFieldAsBytes()) + } + if c == '}' { + return "" // end of object + } + iter.ReportError("ReadObject", `expect " after {`) + return + case ',': + return string(iter.readObjectFieldAsBytes()) + case '}': + return "" // end of object + default: + iter.ReportError("ReadObject", fmt.Sprintf(`expect { or , or } or n, but found %s`, string([]byte{c}))) + return + } +} + +func (iter *Iterator) readFieldHash() int32 { + hash := int64(0x811c9dc5) + c := iter.nextToken() + if c == '"' { + for { + for i := iter.head; i < iter.tail; i++ { + // require ascii string and no escape + b := iter.buf[i] + if 'A' <= b && b <= 'Z' { + b += 'a' - 'A' + } + if b == '"' { + iter.head = i + 1 + c = iter.nextToken() + if c != ':' { + iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c})) + } + return int32(hash) + } + hash ^= int64(b) + hash *= 0x1000193 + } + if !iter.loadMore() { + iter.ReportError("readFieldHash", `incomplete field name`) + return 0 + } + } + } + iter.ReportError("readFieldHash", `expect ", but found `+string([]byte{c})) + return 0 +} + +func calcHash(str string) int32 { + hash := int64(0x811c9dc5) + for _, b := range str { + hash ^= int64(unicode.ToLower(b)) + hash *= 0x1000193 + } + return int32(hash) +} + +// ReadObjectCB read object with callback, the key is ascii only and field name not copied +func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + field := iter.readObjectFieldAsBytes() + if !callback(iter, *(*string)(unsafe.Pointer(&field))) { + return false + } + c = iter.nextToken() + for c == ',' { + field = iter.readObjectFieldAsBytes() + if !callback(iter, *(*string)(unsafe.Pointer(&field))) { + return false + } + c = iter.nextToken() + } + if c != '}' { + iter.ReportError("ReadObjectCB", `object not ended with }`) + return false + } + return true + } + if c == '}' { + return true + } + iter.ReportError("ReadObjectCB", `expect " after }`) + return false + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadObjectCB", `expect { or n`) + return false +} + +// ReadMapCB read map with callback, the key can be any string +func (iter *Iterator) ReadMapCB(callback func(*Iterator, string) bool) bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '"' { + iter.unreadByte() + field := iter.ReadString() + if iter.nextToken() != ':' { + iter.ReportError("ReadMapCB", "expect : after object field") + return false + } + if !callback(iter, field) { + return false + } + c = iter.nextToken() + for c == ',' { + field = iter.ReadString() + if iter.nextToken() != ':' { + iter.ReportError("ReadMapCB", "expect : after object field") + return false + } + if !callback(iter, field) { + return false + } + c = iter.nextToken() + } + if c != '}' { + iter.ReportError("ReadMapCB", `object not ended with }`) + return false + } + return true + } + if c == '}' { + return true + } + iter.ReportError("ReadMapCB", `expect " after }`) + return false + } + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return true // null + } + iter.ReportError("ReadMapCB", `expect { or n`) + return false +} + +func (iter *Iterator) readObjectStart() bool { + c := iter.nextToken() + if c == '{' { + c = iter.nextToken() + if c == '}' { + return false + } + iter.unreadByte() + return true + } else if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return false + } + iter.ReportError("readObjectStart", "expect { or n") + return false +} + +func (iter *Iterator) readObjectFieldAsBytes() (ret []byte) { + str := iter.ReadStringAsSlice() + if iter.skipWhitespacesWithoutLoadMore() { + if ret == nil { + ret = make([]byte, len(str)) + copy(ret, str) + } + if !iter.loadMore() { + return + } + } + if iter.buf[iter.head] != ':' { + iter.ReportError("readObjectFieldAsBytes", "expect : after object field") + return + } + iter.head++ + if iter.skipWhitespacesWithoutLoadMore() { + if ret == nil { + ret = make([]byte, len(str)) + copy(ret, str) + } + if !iter.loadMore() { + return + } + } + if ret == nil { + return str + } + return ret +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip.go b/vendor/github.com/json-iterator/go/feature_iter_skip.go new file mode 100644 index 000000000..b008d98c9 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip.go @@ -0,0 +1,127 @@ +package jsoniter + +import "fmt" + +// ReadNil reads a json object as nil and +// returns whether it's a nil or not +func (iter *Iterator) ReadNil() (ret bool) { + c := iter.nextToken() + if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') // null + return true + } + iter.unreadByte() + return false +} + +// ReadBool reads a json object as BoolValue +func (iter *Iterator) ReadBool() (ret bool) { + c := iter.nextToken() + if c == 't' { + iter.skipThreeBytes('r', 'u', 'e') + return true + } + if c == 'f' { + iter.skipFourBytes('a', 'l', 's', 'e') + return false + } + iter.ReportError("ReadBool", "expect t or f") + return +} + +// SkipAndReturnBytes skip next JSON element, and return its content as []byte. +// The []byte can be kept, it is a copy of data. +func (iter *Iterator) SkipAndReturnBytes() []byte { + iter.startCapture(iter.head) + iter.Skip() + return iter.stopCapture() +} + +type captureBuffer struct { + startedAt int + captured []byte +} + +func (iter *Iterator) startCapture(captureStartedAt int) { + if iter.captured != nil { + panic("already in capture mode") + } + iter.captureStartedAt = captureStartedAt + iter.captured = make([]byte, 0, 32) +} + +func (iter *Iterator) stopCapture() []byte { + if iter.captured == nil { + panic("not in capture mode") + } + captured := iter.captured + remaining := iter.buf[iter.captureStartedAt:iter.head] + iter.captureStartedAt = -1 + iter.captured = nil + if len(captured) == 0 { + return remaining + } + captured = append(captured, remaining...) + return captured +} + +// Skip skips a json object and positions to relatively the next json object +func (iter *Iterator) Skip() { + c := iter.nextToken() + switch c { + case '"': + iter.skipString() + case 'n': + iter.skipThreeBytes('u', 'l', 'l') // null + case 't': + iter.skipThreeBytes('r', 'u', 'e') // true + case 'f': + iter.skipFourBytes('a', 'l', 's', 'e') // false + case '0': + iter.unreadByte() + iter.ReadFloat32() + case '-', '1', '2', '3', '4', '5', '6', '7', '8', '9': + iter.skipNumber() + case '[': + iter.skipArray() + case '{': + iter.skipObject() + default: + iter.ReportError("Skip", fmt.Sprintf("do not know how to skip: %v", c)) + return + } +} + +func (iter *Iterator) skipFourBytes(b1, b2, b3, b4 byte) { + if iter.readByte() != b1 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b2 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b3 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } + if iter.readByte() != b4 { + iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4}))) + return + } +} + +func (iter *Iterator) skipThreeBytes(b1, b2, b3 byte) { + if iter.readByte() != b1 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } + if iter.readByte() != b2 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } + if iter.readByte() != b3 { + iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3}))) + return + } +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go b/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go new file mode 100644 index 000000000..047d58a4b --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go @@ -0,0 +1,144 @@ +//+build jsoniter-sloppy + +package jsoniter + +// sloppy but faster implementation, do not validate the input json + +func (iter *Iterator) skipNumber() { + for { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case ' ', '\n', '\r', '\t', ',', '}', ']': + iter.head = i + return + } + } + if !iter.loadMore() { + return + } + } +} + +func (iter *Iterator) skipArray() { + level := 1 + for { + for i := iter.head; i < iter.tail; i++ { + switch iter.buf[i] { + case '"': // If inside string, skip it + iter.head = i + 1 + iter.skipString() + i = iter.head - 1 // it will be i++ soon + case '[': // If open symbol, increase level + level++ + case ']': // If close symbol, increase level + level-- + + // If we have returned to the original level, we're done + if level == 0 { + iter.head = i + 1 + return + } + } + } + if !iter.loadMore() { + iter.ReportError("skipObject", "incomplete array") + return + } + } +} + +func (iter *Iterator) skipObject() { + level := 1 + for { + for i := iter.head; i < iter.tail; i++ { + switch iter.buf[i] { + case '"': // If inside string, skip it + iter.head = i + 1 + iter.skipString() + i = iter.head - 1 // it will be i++ soon + case '{': // If open symbol, increase level + level++ + case '}': // If close symbol, increase level + level-- + + // If we have returned to the original level, we're done + if level == 0 { + iter.head = i + 1 + return + } + } + } + if !iter.loadMore() { + iter.ReportError("skipObject", "incomplete object") + return + } + } +} + +func (iter *Iterator) skipString() { + for { + end, escaped := iter.findStringEnd() + if end == -1 { + if !iter.loadMore() { + iter.ReportError("skipString", "incomplete string") + return + } + if escaped { + iter.head = 1 // skip the first char as last char read is \ + } + } else { + iter.head = end + return + } + } +} + +// adapted from: https://github.com/buger/jsonparser/blob/master/parser.go +// Tries to find the end of string +// Support if string contains escaped quote symbols. +func (iter *Iterator) findStringEnd() (int, bool) { + escaped := false + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + if !escaped { + return i + 1, false + } + j := i - 1 + for { + if j < iter.head || iter.buf[j] != '\\' { + // even number of backslashes + // either end of buffer, or " found + return i + 1, true + } + j-- + if j < iter.head || iter.buf[j] != '\\' { + // odd number of backslashes + // it is \" or \\\" + break + } + j-- + } + } else if c == '\\' { + escaped = true + } + } + j := iter.tail - 1 + for { + if j < iter.head || iter.buf[j] != '\\' { + // even number of backslashes + // either end of buffer, or " found + return -1, false // do not end with \ + } + j-- + if j < iter.head || iter.buf[j] != '\\' { + // odd number of backslashes + // it is \" or \\\" + break + } + j-- + + } + return -1, true // end with \ +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go b/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go new file mode 100644 index 000000000..d26763825 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_skip_strict.go @@ -0,0 +1,89 @@ +//+build !jsoniter-sloppy + +package jsoniter + +import "fmt" + +func (iter *Iterator) skipNumber() { + if !iter.trySkipNumber() { + iter.unreadByte() + iter.ReadFloat32() + } +} + +func (iter *Iterator) trySkipNumber() bool { + dotFound := false + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + case '.': + if dotFound { + iter.ReportError("validateNumber", `more than one dot found in number`) + return true // already failed + } + if i+1 == iter.tail { + return false + } + c = iter.buf[i+1] + switch c { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + default: + iter.ReportError("validateNumber", `missing digit after dot`) + return true // already failed + } + dotFound = true + default: + switch c { + case ',', ']', '}', ' ', '\t', '\n', '\r': + if iter.head == i { + return false // if - without following digits + } + iter.head = i + return true // must be valid + } + return false // may be invalid + } + } + return false +} + +func (iter *Iterator) skipString() { + if !iter.trySkipString() { + iter.unreadByte() + iter.ReadString() + } +} + +func (iter *Iterator) trySkipString() bool { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + iter.head = i + 1 + return true // valid + } else if c == '\\' { + return false + } else if c < ' ' { + iter.ReportError("ReadString", + fmt.Sprintf(`invalid control character found: %d`, c)) + return true // already failed + } + } + return false +} + +func (iter *Iterator) skipObject() { + iter.unreadByte() + iter.ReadObjectCB(func(iter *Iterator, field string) bool { + iter.Skip() + return true + }) +} + +func (iter *Iterator) skipArray() { + iter.unreadByte() + iter.ReadArrayCB(func(iter *Iterator) bool { + iter.Skip() + return true + }) +} diff --git a/vendor/github.com/json-iterator/go/feature_iter_string.go b/vendor/github.com/json-iterator/go/feature_iter_string.go new file mode 100644 index 000000000..b76460046 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_iter_string.go @@ -0,0 +1,215 @@ +package jsoniter + +import ( + "fmt" + "unicode/utf16" +) + +// ReadString read string from iterator +func (iter *Iterator) ReadString() (ret string) { + c := iter.nextToken() + if c == '"' { + for i := iter.head; i < iter.tail; i++ { + c := iter.buf[i] + if c == '"' { + ret = string(iter.buf[iter.head:i]) + iter.head = i + 1 + return ret + } else if c == '\\' { + break + } else if c < ' ' { + iter.ReportError("ReadString", + fmt.Sprintf(`invalid control character found: %d`, c)) + return + } + } + return iter.readStringSlowPath() + } else if c == 'n' { + iter.skipThreeBytes('u', 'l', 'l') + return "" + } + iter.ReportError("ReadString", `expects " or n`) + return +} + +func (iter *Iterator) readStringSlowPath() (ret string) { + var str []byte + var c byte + for iter.Error == nil { + c = iter.readByte() + if c == '"' { + return string(str) + } + if c == '\\' { + c = iter.readByte() + str = iter.readEscapedChar(c, str) + } else { + str = append(str, c) + } + } + iter.ReportError("ReadString", "unexpected end of input") + return +} + +func (iter *Iterator) readEscapedChar(c byte, str []byte) []byte { + switch c { + case 'u': + r := iter.readU4() + if utf16.IsSurrogate(r) { + c = iter.readByte() + if iter.Error != nil { + return nil + } + if c != '\\' { + iter.unreadByte() + str = appendRune(str, r) + return str + } + c = iter.readByte() + if iter.Error != nil { + return nil + } + if c != 'u' { + str = appendRune(str, r) + return iter.readEscapedChar(c, str) + } + r2 := iter.readU4() + if iter.Error != nil { + return nil + } + combined := utf16.DecodeRune(r, r2) + if combined == '\uFFFD' { + str = appendRune(str, r) + str = appendRune(str, r2) + } else { + str = appendRune(str, combined) + } + } else { + str = appendRune(str, r) + } + case '"': + str = append(str, '"') + case '\\': + str = append(str, '\\') + case '/': + str = append(str, '/') + case 'b': + str = append(str, '\b') + case 'f': + str = append(str, '\f') + case 'n': + str = append(str, '\n') + case 'r': + str = append(str, '\r') + case 't': + str = append(str, '\t') + default: + iter.ReportError("ReadString", + `invalid escape char after \`) + return nil + } + return str +} + +// ReadStringAsSlice read string from iterator without copying into string form. +// The []byte can not be kept, as it will change after next iterator call. +func (iter *Iterator) ReadStringAsSlice() (ret []byte) { + c := iter.nextToken() + if c == '"' { + for i := iter.head; i < iter.tail; i++ { + // require ascii string and no escape + // for: field name, base64, number + if iter.buf[i] == '"' { + // fast path: reuse the underlying buffer + ret = iter.buf[iter.head:i] + iter.head = i + 1 + return ret + } + } + readLen := iter.tail - iter.head + copied := make([]byte, readLen, readLen*2) + copy(copied, iter.buf[iter.head:iter.tail]) + iter.head = iter.tail + for iter.Error == nil { + c := iter.readByte() + if c == '"' { + return copied + } + copied = append(copied, c) + } + return copied + } + iter.ReportError("ReadString", `expects " or n`) + return +} + +func (iter *Iterator) readU4() (ret rune) { + for i := 0; i < 4; i++ { + c := iter.readByte() + if iter.Error != nil { + return + } + if c >= '0' && c <= '9' { + ret = ret*16 + rune(c-'0') + } else if c >= 'a' && c <= 'f' { + ret = ret*16 + rune(c-'a'+10) + } else if c >= 'A' && c <= 'F' { + ret = ret*16 + rune(c-'A'+10) + } else { + iter.ReportError("readU4", "expects 0~9 or a~f") + return + } + } + return ret +} + +const ( + t1 = 0x00 // 0000 0000 + tx = 0x80 // 1000 0000 + t2 = 0xC0 // 1100 0000 + t3 = 0xE0 // 1110 0000 + t4 = 0xF0 // 1111 0000 + t5 = 0xF8 // 1111 1000 + + maskx = 0x3F // 0011 1111 + mask2 = 0x1F // 0001 1111 + mask3 = 0x0F // 0000 1111 + mask4 = 0x07 // 0000 0111 + + rune1Max = 1<<7 - 1 + rune2Max = 1<<11 - 1 + rune3Max = 1<<16 - 1 + + surrogateMin = 0xD800 + surrogateMax = 0xDFFF + + maxRune = '\U0010FFFF' // Maximum valid Unicode code point. + runeError = '\uFFFD' // the "error" Rune or "Unicode replacement character" +) + +func appendRune(p []byte, r rune) []byte { + // Negative values are erroneous. Making it unsigned addresses the problem. + switch i := uint32(r); { + case i <= rune1Max: + p = append(p, byte(r)) + return p + case i <= rune2Max: + p = append(p, t2|byte(r>>6)) + p = append(p, tx|byte(r)&maskx) + return p + case i > maxRune, surrogateMin <= i && i <= surrogateMax: + r = runeError + fallthrough + case i <= rune3Max: + p = append(p, t3|byte(r>>12)) + p = append(p, tx|byte(r>>6)&maskx) + p = append(p, tx|byte(r)&maskx) + return p + default: + p = append(p, t4|byte(r>>18)) + p = append(p, tx|byte(r>>12)&maskx) + p = append(p, tx|byte(r>>6)&maskx) + p = append(p, tx|byte(r)&maskx) + return p + } +} diff --git a/vendor/github.com/json-iterator/go/feature_json_number.go b/vendor/github.com/json-iterator/go/feature_json_number.go new file mode 100644 index 000000000..0439f6725 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_json_number.go @@ -0,0 +1,15 @@ +package jsoniter + +import "encoding/json" + +type Number string + +func CastJsonNumber(val interface{}) (string, bool) { + switch typedVal := val.(type) { + case json.Number: + return string(typedVal), true + case Number: + return string(typedVal), true + } + return "", false +} diff --git a/vendor/github.com/json-iterator/go/feature_pool.go b/vendor/github.com/json-iterator/go/feature_pool.go new file mode 100644 index 000000000..73962bc6f --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_pool.go @@ -0,0 +1,57 @@ +package jsoniter + +import ( + "io" +) + +// IteratorPool a thread safe pool of iterators with same configuration +type IteratorPool interface { + BorrowIterator(data []byte) *Iterator + ReturnIterator(iter *Iterator) +} + +// StreamPool a thread safe pool of streams with same configuration +type StreamPool interface { + BorrowStream(writer io.Writer) *Stream + ReturnStream(stream *Stream) +} + +func (cfg *frozenConfig) BorrowStream(writer io.Writer) *Stream { + select { + case stream := <-cfg.streamPool: + stream.Reset(writer) + return stream + default: + return NewStream(cfg, writer, 512) + } +} + +func (cfg *frozenConfig) ReturnStream(stream *Stream) { + stream.Error = nil + select { + case cfg.streamPool <- stream: + return + default: + return + } +} + +func (cfg *frozenConfig) BorrowIterator(data []byte) *Iterator { + select { + case iter := <-cfg.iteratorPool: + iter.ResetBytes(data) + return iter + default: + return ParseBytes(cfg, data) + } +} + +func (cfg *frozenConfig) ReturnIterator(iter *Iterator) { + iter.Error = nil + select { + case cfg.iteratorPool <- iter: + return + default: + return + } +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect.go b/vendor/github.com/json-iterator/go/feature_reflect.go new file mode 100644 index 000000000..05d91b49c --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect.go @@ -0,0 +1,691 @@ +package jsoniter + +import ( + "encoding" + "encoding/json" + "fmt" + "reflect" + "time" + "unsafe" +) + +// ValDecoder is an internal type registered to cache as needed. +// Don't confuse jsoniter.ValDecoder with json.Decoder. +// For json.Decoder's adapter, refer to jsoniter.AdapterDecoder(todo link). +// +// Reflection on type to create decoders, which is then cached +// Reflection on value is avoided as we can, as the reflect.Value itself will allocate, with following exceptions +// 1. create instance of new value, for example *int will need a int to be allocated +// 2. append to slice, if the existing cap is not enough, allocate will be done using Reflect.New +// 3. assignment to map, both key and value will be reflect.Value +// For a simple struct binding, it will be reflect.Value free and allocation free +type ValDecoder interface { + Decode(ptr unsafe.Pointer, iter *Iterator) +} + +// ValEncoder is an internal type registered to cache as needed. +// Don't confuse jsoniter.ValEncoder with json.Encoder. +// For json.Encoder's adapter, refer to jsoniter.AdapterEncoder(todo godoc link). +type ValEncoder interface { + IsEmpty(ptr unsafe.Pointer) bool + Encode(ptr unsafe.Pointer, stream *Stream) + EncodeInterface(val interface{}, stream *Stream) +} + +type checkIsEmpty interface { + IsEmpty(ptr unsafe.Pointer) bool +} + +// WriteToStream the default implementation for TypeEncoder method EncodeInterface +func WriteToStream(val interface{}, stream *Stream, encoder ValEncoder) { + e := (*emptyInterface)(unsafe.Pointer(&val)) + if e.word == nil { + stream.WriteNil() + return + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +var jsonNumberType reflect.Type +var jsoniterNumberType reflect.Type +var jsonRawMessageType reflect.Type +var jsoniterRawMessageType reflect.Type +var anyType reflect.Type +var marshalerType reflect.Type +var unmarshalerType reflect.Type +var textMarshalerType reflect.Type +var textUnmarshalerType reflect.Type + +func init() { + jsonNumberType = reflect.TypeOf((*json.Number)(nil)).Elem() + jsoniterNumberType = reflect.TypeOf((*Number)(nil)).Elem() + jsonRawMessageType = reflect.TypeOf((*json.RawMessage)(nil)).Elem() + jsoniterRawMessageType = reflect.TypeOf((*RawMessage)(nil)).Elem() + anyType = reflect.TypeOf((*Any)(nil)).Elem() + marshalerType = reflect.TypeOf((*json.Marshaler)(nil)).Elem() + unmarshalerType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem() + textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem() + textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem() +} + +type optionalDecoder struct { + valueType reflect.Type + valueDecoder ValDecoder +} + +func (decoder *optionalDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if iter.ReadNil() { + *((*unsafe.Pointer)(ptr)) = nil + } else { + if *((*unsafe.Pointer)(ptr)) == nil { + //pointer to null, we have to allocate memory to hold the value + value := reflect.New(decoder.valueType) + newPtr := extractInterface(value.Interface()).word + decoder.valueDecoder.Decode(newPtr, iter) + *((*uintptr)(ptr)) = uintptr(newPtr) + } else { + //reuse existing instance + decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter) + } + } +} + +type deferenceDecoder struct { + // only to deference a pointer + valueType reflect.Type + valueDecoder ValDecoder +} + +func (decoder *deferenceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if *((*unsafe.Pointer)(ptr)) == nil { + //pointer to null, we have to allocate memory to hold the value + value := reflect.New(decoder.valueType) + newPtr := extractInterface(value.Interface()).word + decoder.valueDecoder.Decode(newPtr, iter) + *((*uintptr)(ptr)) = uintptr(newPtr) + } else { + //reuse existing instance + decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter) + } +} + +type optionalEncoder struct { + valueEncoder ValEncoder +} + +func (encoder *optionalEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + if *((*unsafe.Pointer)(ptr)) == nil { + stream.WriteNil() + } else { + encoder.valueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream) + } +} + +func (encoder *optionalEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *optionalEncoder) IsEmpty(ptr unsafe.Pointer) bool { + if *((*unsafe.Pointer)(ptr)) == nil { + return true + } + return false +} + +type placeholderEncoder struct { + cfg *frozenConfig + cacheKey reflect.Type +} + +func (encoder *placeholderEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + encoder.getRealEncoder().Encode(ptr, stream) +} + +func (encoder *placeholderEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *placeholderEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.getRealEncoder().IsEmpty(ptr) +} + +func (encoder *placeholderEncoder) getRealEncoder() ValEncoder { + for i := 0; i < 30; i++ { + realDecoder := encoder.cfg.getEncoderFromCache(encoder.cacheKey) + _, isPlaceholder := realDecoder.(*placeholderEncoder) + if isPlaceholder { + time.Sleep(time.Second) + } else { + return realDecoder + } + } + panic(fmt.Sprintf("real encoder not found for cache key: %v", encoder.cacheKey)) +} + +type placeholderDecoder struct { + cfg *frozenConfig + cacheKey reflect.Type +} + +func (decoder *placeholderDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + for i := 0; i < 30; i++ { + realDecoder := decoder.cfg.getDecoderFromCache(decoder.cacheKey) + _, isPlaceholder := realDecoder.(*placeholderDecoder) + if isPlaceholder { + time.Sleep(time.Second) + } else { + realDecoder.Decode(ptr, iter) + return + } + } + panic(fmt.Sprintf("real decoder not found for cache key: %v", decoder.cacheKey)) +} + +// emptyInterface is the header for an interface{} value. +type emptyInterface struct { + typ unsafe.Pointer + word unsafe.Pointer +} + +// emptyInterface is the header for an interface with method (not interface{}) +type nonEmptyInterface struct { + // see ../runtime/iface.go:/Itab + itab *struct { + ityp unsafe.Pointer // static interface type + typ unsafe.Pointer // dynamic concrete type + link unsafe.Pointer + bad int32 + unused int32 + fun [100000]unsafe.Pointer // method table + } + word unsafe.Pointer +} + +// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal +func (iter *Iterator) ReadVal(obj interface{}) { + typ := reflect.TypeOf(obj) + cacheKey := typ.Elem() + decoder, err := decoderOfType(iter.cfg, cacheKey) + if err != nil { + iter.Error = err + return + } + e := (*emptyInterface)(unsafe.Pointer(&obj)) + decoder.Decode(e.word, iter) +} + +// WriteVal copy the go interface into underlying JSON, same as json.Marshal +func (stream *Stream) WriteVal(val interface{}) { + if nil == val { + stream.WriteNil() + return + } + typ := reflect.TypeOf(val) + cacheKey := typ + encoder, err := encoderOfType(stream.cfg, cacheKey) + if err != nil { + stream.Error = err + return + } + encoder.EncodeInterface(val, stream) +} + +type prefix string + +func (p prefix) addToDecoder(decoder ValDecoder, err error) (ValDecoder, error) { + if err != nil { + return nil, fmt.Errorf("%s: %s", p, err.Error()) + } + return decoder, err +} + +func (p prefix) addToEncoder(encoder ValEncoder, err error) (ValEncoder, error) { + if err != nil { + return nil, fmt.Errorf("%s: %s", p, err.Error()) + } + return encoder, err +} + +func decoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + cacheKey := typ + decoder := cfg.getDecoderFromCache(cacheKey) + if decoder != nil { + return decoder, nil + } + decoder = getTypeDecoderFromExtension(typ) + if decoder != nil { + cfg.addDecoderToCache(cacheKey, decoder) + return decoder, nil + } + decoder = &placeholderDecoder{cfg: cfg, cacheKey: cacheKey} + cfg.addDecoderToCache(cacheKey, decoder) + decoder, err := createDecoderOfType(cfg, typ) + for _, extension := range extensions { + decoder = extension.DecorateDecoder(typ, decoder) + } + cfg.addDecoderToCache(cacheKey, decoder) + return decoder, err +} + +func createDecoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + typeName := typ.String() + if typ == jsonRawMessageType { + return &jsonRawMessageCodec{}, nil + } + if typ == jsoniterRawMessageType { + return &jsoniterRawMessageCodec{}, nil + } + if typ.AssignableTo(jsonNumberType) { + return &jsonNumberCodec{}, nil + } + if typ.AssignableTo(jsoniterNumberType) { + return &jsoniterNumberCodec{}, nil + } + if typ.Implements(unmarshalerType) { + templateInterface := reflect.New(typ).Elem().Interface() + var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)} + if typ.Kind() == reflect.Ptr { + decoder = &optionalDecoder{typ.Elem(), decoder} + } + return decoder, nil + } + if reflect.PtrTo(typ).Implements(unmarshalerType) { + templateInterface := reflect.New(typ).Interface() + var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)} + return decoder, nil + } + if typ.Implements(textUnmarshalerType) { + templateInterface := reflect.New(typ).Elem().Interface() + var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)} + if typ.Kind() == reflect.Ptr { + decoder = &optionalDecoder{typ.Elem(), decoder} + } + return decoder, nil + } + if reflect.PtrTo(typ).Implements(textUnmarshalerType) { + templateInterface := reflect.New(typ).Interface() + var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)} + return decoder, nil + } + if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 { + sliceDecoder, err := prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ)) + if err != nil { + return nil, err + } + return &base64Codec{sliceDecoder: sliceDecoder}, nil + } + if typ.Implements(anyType) { + return &anyCodec{}, nil + } + switch typ.Kind() { + case reflect.String: + if typeName != "string" { + return decoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem()) + } + return &stringCodec{}, nil + case reflect.Int: + if typeName != "int" { + return decoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem()) + } + return &intCodec{}, nil + case reflect.Int8: + if typeName != "int8" { + return decoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem()) + } + return &int8Codec{}, nil + case reflect.Int16: + if typeName != "int16" { + return decoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem()) + } + return &int16Codec{}, nil + case reflect.Int32: + if typeName != "int32" { + return decoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem()) + } + return &int32Codec{}, nil + case reflect.Int64: + if typeName != "int64" { + return decoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem()) + } + return &int64Codec{}, nil + case reflect.Uint: + if typeName != "uint" { + return decoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem()) + } + return &uintCodec{}, nil + case reflect.Uint8: + if typeName != "uint8" { + return decoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem()) + } + return &uint8Codec{}, nil + case reflect.Uint16: + if typeName != "uint16" { + return decoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem()) + } + return &uint16Codec{}, nil + case reflect.Uint32: + if typeName != "uint32" { + return decoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem()) + } + return &uint32Codec{}, nil + case reflect.Uintptr: + if typeName != "uintptr" { + return decoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem()) + } + return &uintptrCodec{}, nil + case reflect.Uint64: + if typeName != "uint64" { + return decoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem()) + } + return &uint64Codec{}, nil + case reflect.Float32: + if typeName != "float32" { + return decoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem()) + } + return &float32Codec{}, nil + case reflect.Float64: + if typeName != "float64" { + return decoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem()) + } + return &float64Codec{}, nil + case reflect.Bool: + if typeName != "bool" { + return decoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem()) + } + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return prefix(fmt.Sprintf("[%s]", typeName)).addToDecoder(decoderOfStruct(cfg, typ)) + case reflect.Array: + return prefix("[array]").addToDecoder(decoderOfArray(cfg, typ)) + case reflect.Slice: + return prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ)) + case reflect.Map: + return prefix("[map]").addToDecoder(decoderOfMap(cfg, typ)) + case reflect.Ptr: + return prefix("[optional]").addToDecoder(decoderOfOptional(cfg, typ)) + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func encoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + cacheKey := typ + encoder := cfg.getEncoderFromCache(cacheKey) + if encoder != nil { + return encoder, nil + } + encoder = getTypeEncoderFromExtension(typ) + if encoder != nil { + cfg.addEncoderToCache(cacheKey, encoder) + return encoder, nil + } + encoder = &placeholderEncoder{cfg: cfg, cacheKey: cacheKey} + cfg.addEncoderToCache(cacheKey, encoder) + encoder, err := createEncoderOfType(cfg, typ) + for _, extension := range extensions { + encoder = extension.DecorateEncoder(typ, encoder) + } + cfg.addEncoderToCache(cacheKey, encoder) + return encoder, err +} + +func createEncoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + if typ == jsonRawMessageType { + return &jsonRawMessageCodec{}, nil + } + if typ == jsoniterRawMessageType { + return &jsoniterRawMessageCodec{}, nil + } + if typ.AssignableTo(jsonNumberType) { + return &jsonNumberCodec{}, nil + } + if typ.AssignableTo(jsoniterNumberType) { + return &jsoniterNumberCodec{}, nil + } + if typ.Implements(marshalerType) { + checkIsEmpty, err := createCheckIsEmpty(typ) + if err != nil { + return nil, err + } + templateInterface := reflect.New(typ).Elem().Interface() + var encoder ValEncoder = &marshalerEncoder{ + templateInterface: extractInterface(templateInterface), + checkIsEmpty: checkIsEmpty, + } + if typ.Kind() == reflect.Ptr { + encoder = &optionalEncoder{encoder} + } + return encoder, nil + } + if typ.Implements(textMarshalerType) { + checkIsEmpty, err := createCheckIsEmpty(typ) + if err != nil { + return nil, err + } + templateInterface := reflect.New(typ).Elem().Interface() + var encoder ValEncoder = &textMarshalerEncoder{ + templateInterface: extractInterface(templateInterface), + checkIsEmpty: checkIsEmpty, + } + if typ.Kind() == reflect.Ptr { + encoder = &optionalEncoder{encoder} + } + return encoder, nil + } + if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 { + return &base64Codec{}, nil + } + if typ.Implements(anyType) { + return &anyCodec{}, nil + } + return createEncoderOfSimpleType(cfg, typ) +} + +func createCheckIsEmpty(typ reflect.Type) (checkIsEmpty, error) { + kind := typ.Kind() + switch kind { + case reflect.String: + return &stringCodec{}, nil + case reflect.Int: + return &intCodec{}, nil + case reflect.Int8: + return &int8Codec{}, nil + case reflect.Int16: + return &int16Codec{}, nil + case reflect.Int32: + return &int32Codec{}, nil + case reflect.Int64: + return &int64Codec{}, nil + case reflect.Uint: + return &uintCodec{}, nil + case reflect.Uint8: + return &uint8Codec{}, nil + case reflect.Uint16: + return &uint16Codec{}, nil + case reflect.Uint32: + return &uint32Codec{}, nil + case reflect.Uintptr: + return &uintptrCodec{}, nil + case reflect.Uint64: + return &uint64Codec{}, nil + case reflect.Float32: + return &float32Codec{}, nil + case reflect.Float64: + return &float64Codec{}, nil + case reflect.Bool: + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return &structEncoder{}, nil + case reflect.Array: + return &arrayEncoder{}, nil + case reflect.Slice: + return &sliceEncoder{}, nil + case reflect.Map: + return &mapEncoder{}, nil + case reflect.Ptr: + return &optionalEncoder{}, nil + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func createEncoderOfSimpleType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + typeName := typ.String() + kind := typ.Kind() + switch kind { + case reflect.String: + if typeName != "string" { + return encoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem()) + } + return &stringCodec{}, nil + case reflect.Int: + if typeName != "int" { + return encoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem()) + } + return &intCodec{}, nil + case reflect.Int8: + if typeName != "int8" { + return encoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem()) + } + return &int8Codec{}, nil + case reflect.Int16: + if typeName != "int16" { + return encoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem()) + } + return &int16Codec{}, nil + case reflect.Int32: + if typeName != "int32" { + return encoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem()) + } + return &int32Codec{}, nil + case reflect.Int64: + if typeName != "int64" { + return encoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem()) + } + return &int64Codec{}, nil + case reflect.Uint: + if typeName != "uint" { + return encoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem()) + } + return &uintCodec{}, nil + case reflect.Uint8: + if typeName != "uint8" { + return encoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem()) + } + return &uint8Codec{}, nil + case reflect.Uint16: + if typeName != "uint16" { + return encoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem()) + } + return &uint16Codec{}, nil + case reflect.Uint32: + if typeName != "uint32" { + return encoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem()) + } + return &uint32Codec{}, nil + case reflect.Uintptr: + if typeName != "uintptr" { + return encoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem()) + } + return &uintptrCodec{}, nil + case reflect.Uint64: + if typeName != "uint64" { + return encoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem()) + } + return &uint64Codec{}, nil + case reflect.Float32: + if typeName != "float32" { + return encoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem()) + } + return &float32Codec{}, nil + case reflect.Float64: + if typeName != "float64" { + return encoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem()) + } + return &float64Codec{}, nil + case reflect.Bool: + if typeName != "bool" { + return encoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem()) + } + return &boolCodec{}, nil + case reflect.Interface: + if typ.NumMethod() == 0 { + return &emptyInterfaceCodec{}, nil + } + return &nonEmptyInterfaceCodec{}, nil + case reflect.Struct: + return prefix(fmt.Sprintf("[%s]", typeName)).addToEncoder(encoderOfStruct(cfg, typ)) + case reflect.Array: + return prefix("[array]").addToEncoder(encoderOfArray(cfg, typ)) + case reflect.Slice: + return prefix("[slice]").addToEncoder(encoderOfSlice(cfg, typ)) + case reflect.Map: + return prefix("[map]").addToEncoder(encoderOfMap(cfg, typ)) + case reflect.Ptr: + return prefix("[optional]").addToEncoder(encoderOfOptional(cfg, typ)) + default: + return nil, fmt.Errorf("unsupported type: %v", typ) + } +} + +func decoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + elemType := typ.Elem() + decoder, err := decoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + return &optionalDecoder{elemType, decoder}, nil +} + +func encoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + elemType := typ.Elem() + elemEncoder, err := encoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + encoder := &optionalEncoder{elemEncoder} + if elemType.Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return encoder, nil +} + +func decoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + mapInterface := reflect.New(typ).Interface() + return &mapDecoder{typ, typ.Key(), typ.Elem(), decoder, extractInterface(mapInterface)}, nil +} + +func extractInterface(val interface{}) emptyInterface { + return *((*emptyInterface)(unsafe.Pointer(&val))) +} + +func encoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + elemType := typ.Elem() + encoder, err := encoderOfType(cfg, elemType) + if err != nil { + return nil, err + } + mapInterface := reflect.New(typ).Elem().Interface() + if cfg.sortMapKeys { + return &sortKeysMapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil + } + return &mapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_array.go b/vendor/github.com/json-iterator/go/feature_reflect_array.go new file mode 100644 index 000000000..e23f187b7 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_array.go @@ -0,0 +1,99 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "unsafe" +) + +func decoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + return &arrayDecoder{typ, typ.Elem(), decoder}, nil +} + +func encoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + encoder, err := encoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + if typ.Elem().Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return &arrayEncoder{typ, typ.Elem(), encoder}, nil +} + +type arrayEncoder struct { + arrayType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder +} + +func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteArrayStart() + elemPtr := unsafe.Pointer(ptr) + encoder.elemEncoder.Encode(elemPtr, stream) + for i := 1; i < encoder.arrayType.Len(); i++ { + stream.WriteMore() + elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size()) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + } + stream.WriteArrayEnd() + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error()) + } +} + +func (encoder *arrayEncoder) EncodeInterface(val interface{}, stream *Stream) { + // special optimization for interface{} + e := (*emptyInterface)(unsafe.Pointer(&val)) + if e.word == nil { + stream.WriteArrayStart() + stream.WriteNil() + stream.WriteArrayEnd() + return + } + elemType := encoder.arrayType.Elem() + if encoder.arrayType.Len() == 1 && (elemType.Kind() == reflect.Ptr || elemType.Kind() == reflect.Map) { + ptr := uintptr(e.word) + e.word = unsafe.Pointer(&ptr) + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} + +type arrayDecoder struct { + arrayType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder +} + +func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.doDecode(ptr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error()) + } +} + +func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) { + offset := uintptr(0) + iter.ReadArrayCB(func(iter *Iterator) bool { + if offset < decoder.arrayType.Size() { + decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(ptr)+offset), iter) + offset += decoder.elemType.Size() + } else { + iter.Skip() + } + return true + }) +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_extension.go b/vendor/github.com/json-iterator/go/feature_reflect_extension.go new file mode 100644 index 000000000..3dd38299d --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_extension.go @@ -0,0 +1,413 @@ +package jsoniter + +import ( + "fmt" + "reflect" + "sort" + "strings" + "unicode" + "unsafe" +) + +var typeDecoders = map[string]ValDecoder{} +var fieldDecoders = map[string]ValDecoder{} +var typeEncoders = map[string]ValEncoder{} +var fieldEncoders = map[string]ValEncoder{} +var extensions = []Extension{} + +// StructDescriptor describe how should we encode/decode the struct +type StructDescriptor struct { + onePtrEmbedded bool + onePtrOptimization bool + Type reflect.Type + Fields []*Binding +} + +// GetField get one field from the descriptor by its name. +// Can not use map here to keep field orders. +func (structDescriptor *StructDescriptor) GetField(fieldName string) *Binding { + for _, binding := range structDescriptor.Fields { + if binding.Field.Name == fieldName { + return binding + } + } + return nil +} + +// Binding describe how should we encode/decode the struct field +type Binding struct { + levels []int + Field *reflect.StructField + FromNames []string + ToNames []string + Encoder ValEncoder + Decoder ValDecoder +} + +// Extension the one for all SPI. Customize encoding/decoding by specifying alternate encoder/decoder. +// Can also rename fields by UpdateStructDescriptor. +type Extension interface { + UpdateStructDescriptor(structDescriptor *StructDescriptor) + CreateDecoder(typ reflect.Type) ValDecoder + CreateEncoder(typ reflect.Type) ValEncoder + DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder + DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder +} + +// DummyExtension embed this type get dummy implementation for all methods of Extension +type DummyExtension struct { +} + +// UpdateStructDescriptor No-op +func (extension *DummyExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) { +} + +// CreateDecoder No-op +func (extension *DummyExtension) CreateDecoder(typ reflect.Type) ValDecoder { + return nil +} + +// CreateEncoder No-op +func (extension *DummyExtension) CreateEncoder(typ reflect.Type) ValEncoder { + return nil +} + +// DecorateDecoder No-op +func (extension *DummyExtension) DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder { + return decoder +} + +// DecorateEncoder No-op +func (extension *DummyExtension) DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder { + return encoder +} + +type funcDecoder struct { + fun DecoderFunc +} + +func (decoder *funcDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.fun(ptr, iter) +} + +type funcEncoder struct { + fun EncoderFunc + isEmptyFunc func(ptr unsafe.Pointer) bool +} + +func (encoder *funcEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + encoder.fun(ptr, stream) +} + +func (encoder *funcEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *funcEncoder) IsEmpty(ptr unsafe.Pointer) bool { + if encoder.isEmptyFunc == nil { + return false + } + return encoder.isEmptyFunc(ptr) +} + +// DecoderFunc the function form of TypeDecoder +type DecoderFunc func(ptr unsafe.Pointer, iter *Iterator) + +// EncoderFunc the function form of TypeEncoder +type EncoderFunc func(ptr unsafe.Pointer, stream *Stream) + +// RegisterTypeDecoderFunc register TypeDecoder for a type with function +func RegisterTypeDecoderFunc(typ string, fun DecoderFunc) { + typeDecoders[typ] = &funcDecoder{fun} +} + +// RegisterTypeDecoder register TypeDecoder for a typ +func RegisterTypeDecoder(typ string, decoder ValDecoder) { + typeDecoders[typ] = decoder +} + +// RegisterFieldDecoderFunc register TypeDecoder for a struct field with function +func RegisterFieldDecoderFunc(typ string, field string, fun DecoderFunc) { + RegisterFieldDecoder(typ, field, &funcDecoder{fun}) +} + +// RegisterFieldDecoder register TypeDecoder for a struct field +func RegisterFieldDecoder(typ string, field string, decoder ValDecoder) { + fieldDecoders[fmt.Sprintf("%s/%s", typ, field)] = decoder +} + +// RegisterTypeEncoderFunc register TypeEncoder for a type with encode/isEmpty function +func RegisterTypeEncoderFunc(typ string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) { + typeEncoders[typ] = &funcEncoder{fun, isEmptyFunc} +} + +// RegisterTypeEncoder register TypeEncoder for a type +func RegisterTypeEncoder(typ string, encoder ValEncoder) { + typeEncoders[typ] = encoder +} + +// RegisterFieldEncoderFunc register TypeEncoder for a struct field with encode/isEmpty function +func RegisterFieldEncoderFunc(typ string, field string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) { + RegisterFieldEncoder(typ, field, &funcEncoder{fun, isEmptyFunc}) +} + +// RegisterFieldEncoder register TypeEncoder for a struct field +func RegisterFieldEncoder(typ string, field string, encoder ValEncoder) { + fieldEncoders[fmt.Sprintf("%s/%s", typ, field)] = encoder +} + +// RegisterExtension register extension +func RegisterExtension(extension Extension) { + extensions = append(extensions, extension) +} + +func getTypeDecoderFromExtension(typ reflect.Type) ValDecoder { + decoder := _getTypeDecoderFromExtension(typ) + if decoder != nil { + for _, extension := range extensions { + decoder = extension.DecorateDecoder(typ, decoder) + } + } + return decoder +} +func _getTypeDecoderFromExtension(typ reflect.Type) ValDecoder { + for _, extension := range extensions { + decoder := extension.CreateDecoder(typ) + if decoder != nil { + return decoder + } + } + typeName := typ.String() + decoder := typeDecoders[typeName] + if decoder != nil { + return decoder + } + if typ.Kind() == reflect.Ptr { + decoder := typeDecoders[typ.Elem().String()] + if decoder != nil { + return &optionalDecoder{typ.Elem(), decoder} + } + } + return nil +} + +func getTypeEncoderFromExtension(typ reflect.Type) ValEncoder { + encoder := _getTypeEncoderFromExtension(typ) + if encoder != nil { + for _, extension := range extensions { + encoder = extension.DecorateEncoder(typ, encoder) + } + } + return encoder +} + +func _getTypeEncoderFromExtension(typ reflect.Type) ValEncoder { + for _, extension := range extensions { + encoder := extension.CreateEncoder(typ) + if encoder != nil { + return encoder + } + } + typeName := typ.String() + encoder := typeEncoders[typeName] + if encoder != nil { + return encoder + } + if typ.Kind() == reflect.Ptr { + encoder := typeEncoders[typ.Elem().String()] + if encoder != nil { + return &optionalEncoder{encoder} + } + } + return nil +} + +func describeStruct(cfg *frozenConfig, typ reflect.Type) (*StructDescriptor, error) { + embeddedBindings := []*Binding{} + bindings := []*Binding{} + for i := 0; i < typ.NumField(); i++ { + field := typ.Field(i) + tag := field.Tag.Get(cfg.getTagKey()) + tagParts := strings.Split(tag, ",") + if tag == "-" { + continue + } + if field.Anonymous && (tag == "" || tagParts[0] == "") { + if field.Type.Kind() == reflect.Struct { + structDescriptor, err := describeStruct(cfg, field.Type) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + binding.levels = append([]int{i}, binding.levels...) + omitempty := binding.Encoder.(*structFieldEncoder).omitempty + binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty} + binding.Decoder = &structFieldDecoder{&field, binding.Decoder} + embeddedBindings = append(embeddedBindings, binding) + } + continue + } else if field.Type.Kind() == reflect.Ptr && field.Type.Elem().Kind() == reflect.Struct { + structDescriptor, err := describeStruct(cfg, field.Type.Elem()) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + binding.levels = append([]int{i}, binding.levels...) + omitempty := binding.Encoder.(*structFieldEncoder).omitempty + binding.Encoder = &optionalEncoder{binding.Encoder} + binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty} + binding.Decoder = &deferenceDecoder{field.Type.Elem(), binding.Decoder} + binding.Decoder = &structFieldDecoder{&field, binding.Decoder} + embeddedBindings = append(embeddedBindings, binding) + } + continue + } + } + fieldNames := calcFieldNames(field.Name, tagParts[0], tag) + fieldCacheKey := fmt.Sprintf("%s/%s", typ.String(), field.Name) + decoder := fieldDecoders[fieldCacheKey] + if decoder == nil { + var err error + decoder, err = decoderOfType(cfg, field.Type) + if err != nil { + return nil, err + } + } + encoder := fieldEncoders[fieldCacheKey] + if encoder == nil { + var err error + encoder, err = encoderOfType(cfg, field.Type) + if err != nil { + return nil, err + } + // map is stored as pointer in the struct + if field.Type.Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + } + binding := &Binding{ + Field: &field, + FromNames: fieldNames, + ToNames: fieldNames, + Decoder: decoder, + Encoder: encoder, + } + binding.levels = []int{i} + bindings = append(bindings, binding) + } + return createStructDescriptor(cfg, typ, bindings, embeddedBindings), nil +} +func createStructDescriptor(cfg *frozenConfig, typ reflect.Type, bindings []*Binding, embeddedBindings []*Binding) *StructDescriptor { + onePtrEmbedded := false + onePtrOptimization := false + if typ.NumField() == 1 { + firstField := typ.Field(0) + switch firstField.Type.Kind() { + case reflect.Ptr: + if firstField.Anonymous && firstField.Type.Elem().Kind() == reflect.Struct { + onePtrEmbedded = true + } + fallthrough + case reflect.Map: + onePtrOptimization = true + case reflect.Struct: + onePtrOptimization = isStructOnePtr(firstField.Type) + } + } + structDescriptor := &StructDescriptor{ + onePtrEmbedded: onePtrEmbedded, + onePtrOptimization: onePtrOptimization, + Type: typ, + Fields: bindings, + } + for _, extension := range extensions { + extension.UpdateStructDescriptor(structDescriptor) + } + processTags(structDescriptor, cfg) + // merge normal & embedded bindings & sort with original order + allBindings := sortableBindings(append(embeddedBindings, structDescriptor.Fields...)) + sort.Sort(allBindings) + structDescriptor.Fields = allBindings + return structDescriptor +} + +func isStructOnePtr(typ reflect.Type) bool { + if typ.NumField() == 1 { + firstField := typ.Field(0) + switch firstField.Type.Kind() { + case reflect.Ptr: + return true + case reflect.Map: + return true + case reflect.Struct: + return isStructOnePtr(firstField.Type) + } + } + return false +} + +type sortableBindings []*Binding + +func (bindings sortableBindings) Len() int { + return len(bindings) +} + +func (bindings sortableBindings) Less(i, j int) bool { + left := bindings[i].levels + right := bindings[j].levels + k := 0 + for { + if left[k] < right[k] { + return true + } else if left[k] > right[k] { + return false + } + k++ + } +} + +func (bindings sortableBindings) Swap(i, j int) { + bindings[i], bindings[j] = bindings[j], bindings[i] +} + +func processTags(structDescriptor *StructDescriptor, cfg *frozenConfig) { + for _, binding := range structDescriptor.Fields { + shouldOmitEmpty := false + tagParts := strings.Split(binding.Field.Tag.Get(cfg.getTagKey()), ",") + for _, tagPart := range tagParts[1:] { + if tagPart == "omitempty" { + shouldOmitEmpty = true + } else if tagPart == "string" { + if binding.Field.Type.Kind() == reflect.String { + binding.Decoder = &stringModeStringDecoder{binding.Decoder, cfg} + binding.Encoder = &stringModeStringEncoder{binding.Encoder, cfg} + } else { + binding.Decoder = &stringModeNumberDecoder{binding.Decoder} + binding.Encoder = &stringModeNumberEncoder{binding.Encoder} + } + } + } + binding.Decoder = &structFieldDecoder{binding.Field, binding.Decoder} + binding.Encoder = &structFieldEncoder{binding.Field, binding.Encoder, shouldOmitEmpty} + } +} + +func calcFieldNames(originalFieldName string, tagProvidedFieldName string, wholeTag string) []string { + // ignore? + if wholeTag == "-" { + return []string{} + } + // rename? + var fieldNames []string + if tagProvidedFieldName == "" { + fieldNames = []string{originalFieldName} + } else { + fieldNames = []string{tagProvidedFieldName} + } + // private? + isNotExported := unicode.IsLower(rune(originalFieldName[0])) + if isNotExported { + fieldNames = []string{} + } + return fieldNames +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_map.go b/vendor/github.com/json-iterator/go/feature_reflect_map.go new file mode 100644 index 000000000..005671e01 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_map.go @@ -0,0 +1,244 @@ +package jsoniter + +import ( + "encoding" + "encoding/json" + "reflect" + "sort" + "strconv" + "unsafe" +) + +type mapDecoder struct { + mapType reflect.Type + keyType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder + mapInterface emptyInterface +} + +func (decoder *mapDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + // dark magic to cast unsafe.Pointer back to interface{} using reflect.Type + mapInterface := decoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface).Elem() + if iter.ReadNil() { + realVal.Set(reflect.Zero(decoder.mapType)) + return + } + if realVal.IsNil() { + realVal.Set(reflect.MakeMap(realVal.Type())) + } + iter.ReadMapCB(func(iter *Iterator, keyStr string) bool { + elem := reflect.New(decoder.elemType) + decoder.elemDecoder.Decode(unsafe.Pointer(elem.Pointer()), iter) + // to put into map, we have to use reflection + keyType := decoder.keyType + // TODO: remove this from loop + switch { + case keyType.Kind() == reflect.String: + realVal.SetMapIndex(reflect.ValueOf(keyStr).Convert(keyType), elem.Elem()) + return true + case keyType.Implements(textUnmarshalerType): + textUnmarshaler := reflect.New(keyType.Elem()).Interface().(encoding.TextUnmarshaler) + err := textUnmarshaler.UnmarshalText([]byte(keyStr)) + if err != nil { + iter.ReportError("read map key as TextUnmarshaler", err.Error()) + return false + } + realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler), elem.Elem()) + return true + case reflect.PtrTo(keyType).Implements(textUnmarshalerType): + textUnmarshaler := reflect.New(keyType).Interface().(encoding.TextUnmarshaler) + err := textUnmarshaler.UnmarshalText([]byte(keyStr)) + if err != nil { + iter.ReportError("read map key as TextUnmarshaler", err.Error()) + return false + } + realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler).Elem(), elem.Elem()) + return true + default: + switch keyType.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + n, err := strconv.ParseInt(keyStr, 10, 64) + if err != nil || reflect.Zero(keyType).OverflowInt(n) { + iter.ReportError("read map key as int64", "read int64 failed") + return false + } + realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem()) + return true + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + n, err := strconv.ParseUint(keyStr, 10, 64) + if err != nil || reflect.Zero(keyType).OverflowUint(n) { + iter.ReportError("read map key as uint64", "read uint64 failed") + return false + } + realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem()) + return true + } + } + iter.ReportError("read map key", "unexpected map key type "+keyType.String()) + return true + }) +} + +type mapEncoder struct { + mapType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder + mapInterface emptyInterface +} + +func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + stream.WriteObjectStart() + for i, key := range realVal.MapKeys() { + if i != 0 { + stream.WriteMore() + } + encodeMapKey(key, stream) + if stream.indention > 0 { + stream.writeTwoBytes(byte(':'), byte(' ')) + } else { + stream.writeByte(':') + } + val := realVal.MapIndex(key).Interface() + encoder.elemEncoder.EncodeInterface(val, stream) + } + stream.WriteObjectEnd() +} + +func encodeMapKey(key reflect.Value, stream *Stream) { + if key.Kind() == reflect.String { + stream.WriteString(key.String()) + return + } + if tm, ok := key.Interface().(encoding.TextMarshaler); ok { + buf, err := tm.MarshalText() + if err != nil { + stream.Error = err + return + } + stream.writeByte('"') + stream.Write(buf) + stream.writeByte('"') + return + } + switch key.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + stream.writeByte('"') + stream.WriteInt64(key.Int()) + stream.writeByte('"') + return + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + stream.writeByte('"') + stream.WriteUint64(key.Uint()) + stream.writeByte('"') + return + } + stream.Error = &json.UnsupportedTypeError{Type: key.Type()} +} + +func (encoder *mapEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *mapEncoder) IsEmpty(ptr unsafe.Pointer) bool { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + return realVal.Len() == 0 +} + +type sortKeysMapEncoder struct { + mapType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder + mapInterface emptyInterface +} + +func (encoder *sortKeysMapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + + // Extract and sort the keys. + keys := realVal.MapKeys() + sv := stringValues(make([]reflectWithString, len(keys))) + for i, v := range keys { + sv[i].v = v + if err := sv[i].resolve(); err != nil { + stream.Error = err + return + } + } + sort.Sort(sv) + + stream.WriteObjectStart() + for i, key := range sv { + if i != 0 { + stream.WriteMore() + } + stream.WriteVal(key.s) // might need html escape, so can not WriteString directly + if stream.indention > 0 { + stream.writeTwoBytes(byte(':'), byte(' ')) + } else { + stream.writeByte(':') + } + val := realVal.MapIndex(key.v).Interface() + encoder.elemEncoder.EncodeInterface(val, stream) + } + stream.WriteObjectEnd() +} + +// stringValues is a slice of reflect.Value holding *reflect.StringValue. +// It implements the methods to sort by string. +type stringValues []reflectWithString + +type reflectWithString struct { + v reflect.Value + s string +} + +func (w *reflectWithString) resolve() error { + if w.v.Kind() == reflect.String { + w.s = w.v.String() + return nil + } + if tm, ok := w.v.Interface().(encoding.TextMarshaler); ok { + buf, err := tm.MarshalText() + w.s = string(buf) + return err + } + switch w.v.Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + w.s = strconv.FormatInt(w.v.Int(), 10) + return nil + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + w.s = strconv.FormatUint(w.v.Uint(), 10) + return nil + } + return &json.UnsupportedTypeError{Type: w.v.Type()} +} + +func (sv stringValues) Len() int { return len(sv) } +func (sv stringValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] } +func (sv stringValues) Less(i, j int) bool { return sv[i].s < sv[j].s } + +func (encoder *sortKeysMapEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *sortKeysMapEncoder) IsEmpty(ptr unsafe.Pointer) bool { + mapInterface := encoder.mapInterface + mapInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&mapInterface)) + realVal := reflect.ValueOf(*realInterface) + return realVal.Len() == 0 +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_native.go b/vendor/github.com/json-iterator/go/feature_reflect_native.go new file mode 100644 index 000000000..b37dab3d8 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_native.go @@ -0,0 +1,672 @@ +package jsoniter + +import ( + "encoding" + "encoding/base64" + "encoding/json" + "unsafe" +) + +type stringCodec struct { +} + +func (codec *stringCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*string)(ptr)) = iter.ReadString() +} + +func (codec *stringCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + str := *((*string)(ptr)) + stream.WriteString(str) +} + +func (codec *stringCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *stringCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*string)(ptr)) == "" +} + +type intCodec struct { +} + +func (codec *intCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int)(ptr)) = iter.ReadInt() +} + +func (codec *intCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt(*((*int)(ptr))) +} + +func (codec *intCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *intCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int)(ptr)) == 0 +} + +type uintptrCodec struct { +} + +func (codec *uintptrCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uintptr)(ptr)) = uintptr(iter.ReadUint64()) +} + +func (codec *uintptrCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint64(uint64(*((*uintptr)(ptr)))) +} + +func (codec *uintptrCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uintptrCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uintptr)(ptr)) == 0 +} + +type int8Codec struct { +} + +func (codec *int8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int8)(ptr)) = iter.ReadInt8() +} + +func (codec *int8Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt8(*((*int8)(ptr))) +} + +func (codec *int8Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int8Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int8)(ptr)) == 0 +} + +type int16Codec struct { +} + +func (codec *int16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int16)(ptr)) = iter.ReadInt16() +} + +func (codec *int16Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt16(*((*int16)(ptr))) +} + +func (codec *int16Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int16Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int16)(ptr)) == 0 +} + +type int32Codec struct { +} + +func (codec *int32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int32)(ptr)) = iter.ReadInt32() +} + +func (codec *int32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt32(*((*int32)(ptr))) +} + +func (codec *int32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int32)(ptr)) == 0 +} + +type int64Codec struct { +} + +func (codec *int64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*int64)(ptr)) = iter.ReadInt64() +} + +func (codec *int64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteInt64(*((*int64)(ptr))) +} + +func (codec *int64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *int64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*int64)(ptr)) == 0 +} + +type uintCodec struct { +} + +func (codec *uintCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint)(ptr)) = iter.ReadUint() +} + +func (codec *uintCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint(*((*uint)(ptr))) +} + +func (codec *uintCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uintCodec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint)(ptr)) == 0 +} + +type uint8Codec struct { +} + +func (codec *uint8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint8)(ptr)) = iter.ReadUint8() +} + +func (codec *uint8Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint8(*((*uint8)(ptr))) +} + +func (codec *uint8Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint8Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint8)(ptr)) == 0 +} + +type uint16Codec struct { +} + +func (codec *uint16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint16)(ptr)) = iter.ReadUint16() +} + +func (codec *uint16Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint16(*((*uint16)(ptr))) +} + +func (codec *uint16Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint16Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint16)(ptr)) == 0 +} + +type uint32Codec struct { +} + +func (codec *uint32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint32)(ptr)) = iter.ReadUint32() +} + +func (codec *uint32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint32(*((*uint32)(ptr))) +} + +func (codec *uint32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint32)(ptr)) == 0 +} + +type uint64Codec struct { +} + +func (codec *uint64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*uint64)(ptr)) = iter.ReadUint64() +} + +func (codec *uint64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteUint64(*((*uint64)(ptr))) +} + +func (codec *uint64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *uint64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*uint64)(ptr)) == 0 +} + +type float32Codec struct { +} + +func (codec *float32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*float32)(ptr)) = iter.ReadFloat32() +} + +func (codec *float32Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat32(*((*float32)(ptr))) +} + +func (codec *float32Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *float32Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float32)(ptr)) == 0 +} + +type float64Codec struct { +} + +func (codec *float64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*float64)(ptr)) = iter.ReadFloat64() +} + +func (codec *float64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteFloat64(*((*float64)(ptr))) +} + +func (codec *float64Codec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *float64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return *((*float64)(ptr)) == 0 +} + +type boolCodec struct { +} + +func (codec *boolCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*bool)(ptr)) = iter.ReadBool() +} + +func (codec *boolCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteBool(*((*bool)(ptr))) +} + +func (codec *boolCodec) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, codec) +} + +func (codec *boolCodec) IsEmpty(ptr unsafe.Pointer) bool { + return !(*((*bool)(ptr))) +} + +type emptyInterfaceCodec struct { +} + +func (codec *emptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*interface{})(ptr)) = iter.Read() +} + +func (codec *emptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteVal(*((*interface{})(ptr))) +} + +func (codec *emptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteVal(val) +} + +func (codec *emptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool { + return ptr == nil +} + +type nonEmptyInterfaceCodec struct { +} + +func (codec *nonEmptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + if nonEmptyInterface.itab == nil { + iter.ReportError("read non-empty interface", "do not know which concrete type to decode to") + return + } + var i interface{} + e := (*emptyInterface)(unsafe.Pointer(&i)) + e.typ = nonEmptyInterface.itab.typ + e.word = nonEmptyInterface.word + iter.ReadVal(&i) + nonEmptyInterface.word = e.word +} + +func (codec *nonEmptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + var i interface{} + e := (*emptyInterface)(unsafe.Pointer(&i)) + e.typ = nonEmptyInterface.itab.typ + e.word = nonEmptyInterface.word + stream.WriteVal(i) +} + +func (codec *nonEmptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteVal(val) +} + +func (codec *nonEmptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool { + nonEmptyInterface := (*nonEmptyInterface)(ptr) + return nonEmptyInterface.word == nil +} + +type anyCodec struct { +} + +func (codec *anyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*Any)(ptr)) = iter.ReadAny() +} + +func (codec *anyCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + (*((*Any)(ptr))).WriteTo(stream) +} + +func (codec *anyCodec) EncodeInterface(val interface{}, stream *Stream) { + (val.(Any)).WriteTo(stream) +} + +func (codec *anyCodec) IsEmpty(ptr unsafe.Pointer) bool { + return (*((*Any)(ptr))).Size() == 0 +} + +type jsonNumberCodec struct { +} + +func (codec *jsonNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*json.Number)(ptr)) = json.Number([]byte(iter.readNumberAsString())) +} + +func (codec *jsonNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*json.Number)(ptr)))) +} + +func (codec *jsonNumberCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(json.Number))) +} + +func (codec *jsonNumberCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*json.Number)(ptr))) == 0 +} + +type jsoniterNumberCodec struct { +} + +func (codec *jsoniterNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*Number)(ptr)) = Number([]byte(iter.readNumberAsString())) +} + +func (codec *jsoniterNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*Number)(ptr)))) +} + +func (codec *jsoniterNumberCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(Number))) +} + +func (codec *jsoniterNumberCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*Number)(ptr))) == 0 +} + +type jsonRawMessageCodec struct { +} + +func (codec *jsonRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*json.RawMessage)(ptr)) = json.RawMessage(iter.SkipAndReturnBytes()) +} + +func (codec *jsonRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*json.RawMessage)(ptr)))) +} + +func (codec *jsonRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(json.RawMessage))) +} + +func (codec *jsonRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*json.RawMessage)(ptr))) == 0 +} + +type jsoniterRawMessageCodec struct { +} + +func (codec *jsoniterRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) { + *((*RawMessage)(ptr)) = RawMessage(iter.SkipAndReturnBytes()) +} + +func (codec *jsoniterRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteRaw(string(*((*RawMessage)(ptr)))) +} + +func (codec *jsoniterRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) { + stream.WriteRaw(string(val.(RawMessage))) +} + +func (codec *jsoniterRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*RawMessage)(ptr))) == 0 +} + +type base64Codec struct { + sliceDecoder ValDecoder +} + +func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) { + if iter.ReadNil() { + ptrSlice := (*sliceHeader)(ptr) + ptrSlice.Len = 0 + ptrSlice.Cap = 0 + ptrSlice.Data = nil + return + } + switch iter.WhatIsNext() { + case StringValue: + encoding := base64.StdEncoding + src := iter.SkipAndReturnBytes() + src = src[1 : len(src)-1] + decodedLen := encoding.DecodedLen(len(src)) + dst := make([]byte, decodedLen) + len, err := encoding.Decode(dst, src) + if err != nil { + iter.ReportError("decode base64", err.Error()) + } else { + dst = dst[:len] + dstSlice := (*sliceHeader)(unsafe.Pointer(&dst)) + ptrSlice := (*sliceHeader)(ptr) + ptrSlice.Data = dstSlice.Data + ptrSlice.Cap = dstSlice.Cap + ptrSlice.Len = dstSlice.Len + } + case ArrayValue: + codec.sliceDecoder.Decode(ptr, iter) + default: + iter.ReportError("base64Codec", "invalid input") + } +} + +func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) { + src := *((*[]byte)(ptr)) + if len(src) == 0 { + stream.WriteNil() + return + } + encoding := base64.StdEncoding + stream.writeByte('"') + toGrow := encoding.EncodedLen(len(src)) + stream.ensure(toGrow) + encoding.Encode(stream.buf[stream.n:], src) + stream.n += toGrow + stream.writeByte('"') +} + +func (codec *base64Codec) EncodeInterface(val interface{}, stream *Stream) { + ptr := extractInterface(val).word + src := *((*[]byte)(ptr)) + if len(src) == 0 { + stream.WriteNil() + return + } + encoding := base64.StdEncoding + stream.writeByte('"') + toGrow := encoding.EncodedLen(len(src)) + stream.ensure(toGrow) + encoding.Encode(stream.buf[stream.n:], src) + stream.n += toGrow + stream.writeByte('"') +} + +func (codec *base64Codec) IsEmpty(ptr unsafe.Pointer) bool { + return len(*((*[]byte)(ptr))) == 0 +} + +type stringModeNumberDecoder struct { + elemDecoder ValDecoder +} + +func (decoder *stringModeNumberDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + c := iter.nextToken() + if c != '"' { + iter.ReportError("stringModeNumberDecoder", `expect "`) + return + } + decoder.elemDecoder.Decode(ptr, iter) + if iter.Error != nil { + return + } + c = iter.readByte() + if c != '"' { + iter.ReportError("stringModeNumberDecoder", `expect "`) + return + } +} + +type stringModeStringDecoder struct { + elemDecoder ValDecoder + cfg *frozenConfig +} + +func (decoder *stringModeStringDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.elemDecoder.Decode(ptr, iter) + str := *((*string)(ptr)) + tempIter := decoder.cfg.BorrowIterator([]byte(str)) + defer decoder.cfg.ReturnIterator(tempIter) + *((*string)(ptr)) = tempIter.ReadString() +} + +type stringModeNumberEncoder struct { + elemEncoder ValEncoder +} + +func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.writeByte('"') + encoder.elemEncoder.Encode(ptr, stream) + stream.writeByte('"') +} + +func (encoder *stringModeNumberEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.elemEncoder.IsEmpty(ptr) +} + +type stringModeStringEncoder struct { + elemEncoder ValEncoder + cfg *frozenConfig +} + +func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + tempStream := encoder.cfg.BorrowStream(nil) + defer encoder.cfg.ReturnStream(tempStream) + encoder.elemEncoder.Encode(ptr, tempStream) + stream.WriteString(string(tempStream.Buffer())) +} + +func (encoder *stringModeStringEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.elemEncoder.IsEmpty(ptr) +} + +type marshalerEncoder struct { + templateInterface emptyInterface + checkIsEmpty checkIsEmpty +} + +func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + templateInterface := encoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + marshaler := (*realInterface).(json.Marshaler) + bytes, err := marshaler.MarshalJSON() + if err != nil { + stream.Error = err + } else { + stream.Write(bytes) + } +} +func (encoder *marshalerEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *marshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.checkIsEmpty.IsEmpty(ptr) +} + +type textMarshalerEncoder struct { + templateInterface emptyInterface + checkIsEmpty checkIsEmpty +} + +func (encoder *textMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + templateInterface := encoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + marshaler := (*realInterface).(encoding.TextMarshaler) + bytes, err := marshaler.MarshalText() + if err != nil { + stream.Error = err + } else { + stream.WriteString(string(bytes)) + } +} + +func (encoder *textMarshalerEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *textMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return encoder.checkIsEmpty.IsEmpty(ptr) +} + +type unmarshalerDecoder struct { + templateInterface emptyInterface +} + +func (decoder *unmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + templateInterface := decoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + unmarshaler := (*realInterface).(json.Unmarshaler) + iter.nextToken() + iter.unreadByte() // skip spaces + bytes := iter.SkipAndReturnBytes() + err := unmarshaler.UnmarshalJSON(bytes) + if err != nil { + iter.ReportError("unmarshalerDecoder", err.Error()) + } +} + +type textUnmarshalerDecoder struct { + templateInterface emptyInterface +} + +func (decoder *textUnmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + templateInterface := decoder.templateInterface + templateInterface.word = ptr + realInterface := (*interface{})(unsafe.Pointer(&templateInterface)) + unmarshaler := (*realInterface).(encoding.TextUnmarshaler) + str := iter.ReadString() + err := unmarshaler.UnmarshalText([]byte(str)) + if err != nil { + iter.ReportError("textUnmarshalerDecoder", err.Error()) + } +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_object.go b/vendor/github.com/json-iterator/go/feature_reflect_object.go new file mode 100644 index 000000000..59b1235c0 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_object.go @@ -0,0 +1,196 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "strings" + "unsafe" +) + +func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + type bindingTo struct { + binding *Binding + toName string + ignored bool + } + orderedBindings := []*bindingTo{} + structDescriptor, err := describeStruct(cfg, typ) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + for _, toName := range binding.ToNames { + new := &bindingTo{ + binding: binding, + toName: toName, + } + for _, old := range orderedBindings { + if old.toName != toName { + continue + } + old.ignored, new.ignored = resolveConflictBinding(cfg, old.binding, new.binding) + } + orderedBindings = append(orderedBindings, new) + } + } + if len(orderedBindings) == 0 { + return &emptyStructEncoder{}, nil + } + finalOrderedFields := []structFieldTo{} + for _, bindingTo := range orderedBindings { + if !bindingTo.ignored { + finalOrderedFields = append(finalOrderedFields, structFieldTo{ + encoder: bindingTo.binding.Encoder.(*structFieldEncoder), + toName: bindingTo.toName, + }) + } + } + return &structEncoder{structDescriptor.onePtrEmbedded, structDescriptor.onePtrOptimization, finalOrderedFields}, nil +} + +func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) { + newTagged := new.Field.Tag.Get(cfg.getTagKey()) != "" + oldTagged := old.Field.Tag.Get(cfg.getTagKey()) != "" + if newTagged { + if oldTagged { + if len(old.levels) > len(new.levels) { + return true, false + } else if len(new.levels) > len(old.levels) { + return false, true + } else { + return true, true + } + } else { + return true, false + } + } else { + if oldTagged { + return true, false + } + if len(old.levels) > len(new.levels) { + return true, false + } else if len(new.levels) > len(old.levels) { + return false, true + } else { + return true, true + } + } +} + +func decoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + bindings := map[string]*Binding{} + structDescriptor, err := describeStruct(cfg, typ) + if err != nil { + return nil, err + } + for _, binding := range structDescriptor.Fields { + for _, fromName := range binding.FromNames { + old := bindings[fromName] + if old == nil { + bindings[fromName] = binding + continue + } + ignoreOld, ignoreNew := resolveConflictBinding(cfg, old, binding) + if ignoreOld { + delete(bindings, fromName) + } + if !ignoreNew { + bindings[fromName] = binding + } + } + } + fields := map[string]*structFieldDecoder{} + for k, binding := range bindings { + fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder) + } + return createStructDecoder(typ, fields) +} + +type structFieldEncoder struct { + field *reflect.StructField + fieldEncoder ValEncoder + omitempty bool +} + +func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset) + encoder.fieldEncoder.Encode(fieldPtr, stream) + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%s: %s", encoder.field.Name, stream.Error.Error()) + } +} + +func (encoder *structFieldEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool { + fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset) + return encoder.fieldEncoder.IsEmpty(fieldPtr) +} + +type structEncoder struct { + onePtrEmbedded bool + onePtrOptimization bool + fields []structFieldTo +} + +type structFieldTo struct { + encoder *structFieldEncoder + toName string +} + +func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteObjectStart() + isNotFirst := false + for _, field := range encoder.fields { + if field.encoder.omitempty && field.encoder.IsEmpty(ptr) { + continue + } + if isNotFirst { + stream.WriteMore() + } + stream.WriteObjectField(field.toName) + field.encoder.Encode(ptr, stream) + isNotFirst = true + } + stream.WriteObjectEnd() +} + +func (encoder *structEncoder) EncodeInterface(val interface{}, stream *Stream) { + e := (*emptyInterface)(unsafe.Pointer(&val)) + if encoder.onePtrOptimization { + if e.word == nil && encoder.onePtrEmbedded { + stream.WriteObjectStart() + stream.WriteObjectEnd() + return + } + ptr := uintptr(e.word) + e.word = unsafe.Pointer(&ptr) + } + if reflect.TypeOf(val).Kind() == reflect.Ptr { + encoder.Encode(unsafe.Pointer(&e.word), stream) + } else { + encoder.Encode(e.word, stream) + } +} + +func (encoder *structEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} + +type emptyStructEncoder struct { +} + +func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + stream.WriteEmptyObject() +} + +func (encoder *emptyStructEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool { + return false +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_slice.go b/vendor/github.com/json-iterator/go/feature_reflect_slice.go new file mode 100644 index 000000000..7377eec7b --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_slice.go @@ -0,0 +1,149 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "unsafe" +) + +func decoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) { + decoder, err := decoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + return &sliceDecoder{typ, typ.Elem(), decoder}, nil +} + +func encoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) { + encoder, err := encoderOfType(cfg, typ.Elem()) + if err != nil { + return nil, err + } + if typ.Elem().Kind() == reflect.Map { + encoder = &optionalEncoder{encoder} + } + return &sliceEncoder{typ, typ.Elem(), encoder}, nil +} + +type sliceEncoder struct { + sliceType reflect.Type + elemType reflect.Type + elemEncoder ValEncoder +} + +func (encoder *sliceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { + slice := (*sliceHeader)(ptr) + if slice.Data == nil { + stream.WriteNil() + return + } + if slice.Len == 0 { + stream.WriteEmptyArray() + return + } + stream.WriteArrayStart() + elemPtr := unsafe.Pointer(slice.Data) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + for i := 1; i < slice.Len; i++ { + stream.WriteMore() + elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size()) + encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream) + } + stream.WriteArrayEnd() + if stream.Error != nil && stream.Error != io.EOF { + stream.Error = fmt.Errorf("%v: %s", encoder.sliceType, stream.Error.Error()) + } +} + +func (encoder *sliceEncoder) EncodeInterface(val interface{}, stream *Stream) { + WriteToStream(val, stream, encoder) +} + +func (encoder *sliceEncoder) IsEmpty(ptr unsafe.Pointer) bool { + slice := (*sliceHeader)(ptr) + return slice.Len == 0 +} + +type sliceDecoder struct { + sliceType reflect.Type + elemType reflect.Type + elemDecoder ValDecoder +} + +// sliceHeader is a safe version of SliceHeader used within this package. +type sliceHeader struct { + Data unsafe.Pointer + Len int + Cap int +} + +func (decoder *sliceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + decoder.doDecode(ptr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.sliceType, iter.Error.Error()) + } +} + +func (decoder *sliceDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) { + slice := (*sliceHeader)(ptr) + if iter.ReadNil() { + slice.Len = 0 + slice.Cap = 0 + slice.Data = nil + return + } + reuseSlice(slice, decoder.sliceType, 4) + slice.Len = 0 + offset := uintptr(0) + iter.ReadArrayCB(func(iter *Iterator) bool { + growOne(slice, decoder.sliceType, decoder.elemType) + decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(slice.Data)+offset), iter) + offset += decoder.elemType.Size() + return true + }) +} + +// grow grows the slice s so that it can hold extra more values, allocating +// more capacity if needed. It also returns the old and new slice lengths. +func growOne(slice *sliceHeader, sliceType reflect.Type, elementType reflect.Type) { + newLen := slice.Len + 1 + if newLen <= slice.Cap { + slice.Len = newLen + return + } + newCap := slice.Cap + if newCap == 0 { + newCap = 1 + } else { + for newCap < newLen { + if slice.Len < 1024 { + newCap += newCap + } else { + newCap += newCap / 4 + } + } + } + newVal := reflect.MakeSlice(sliceType, newLen, newCap) + dst := unsafe.Pointer(newVal.Pointer()) + // copy old array into new array + originalBytesCount := uintptr(slice.Len) * elementType.Size() + srcPtr := (*[1 << 30]byte)(slice.Data) + dstPtr := (*[1 << 30]byte)(dst) + for i := uintptr(0); i < originalBytesCount; i++ { + dstPtr[i] = srcPtr[i] + } + slice.Data = dst + slice.Len = newLen + slice.Cap = newCap +} + +func reuseSlice(slice *sliceHeader, sliceType reflect.Type, expectedCap int) { + if expectedCap <= slice.Cap { + return + } + newVal := reflect.MakeSlice(sliceType, 0, expectedCap) + dst := unsafe.Pointer(newVal.Pointer()) + slice.Data = dst + slice.Cap = expectedCap +} diff --git a/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go b/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go new file mode 100644 index 000000000..b3417fd73 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go @@ -0,0 +1,916 @@ +package jsoniter + +import ( + "fmt" + "io" + "reflect" + "strings" + "unsafe" +) + +func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder) (ValDecoder, error) { + knownHash := map[int32]struct{}{ + 0: {}, + } + switch len(fields) { + case 0: + return &skipObjectDecoder{typ}, nil + case 1: + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + return &oneFieldStructDecoder{typ, fieldHash, fieldDecoder}, nil + } + case 2: + var fieldHash1 int32 + var fieldHash2 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldHash1 == 0 { + fieldHash1 = fieldHash + fieldDecoder1 = fieldDecoder + } else { + fieldHash2 = fieldHash + fieldDecoder2 = fieldDecoder + } + } + return &twoFieldsStructDecoder{typ, fieldHash1, fieldDecoder1, fieldHash2, fieldDecoder2}, nil + case 3: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } + } + return &threeFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3}, nil + case 4: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } + } + return &fourFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4}, nil + case 5: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } + } + return &fiveFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5}, nil + case 6: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } + } + return &sixFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6}, nil + case 7: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } + } + return &sevenFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7}, nil + case 8: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } + } + return &eightFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8}, nil + case 9: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldName9 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + var fieldDecoder9 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else if fieldName8 == 0 { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } else { + fieldName9 = fieldHash + fieldDecoder9 = fieldDecoder + } + } + return &nineFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9}, nil + case 10: + var fieldName1 int32 + var fieldName2 int32 + var fieldName3 int32 + var fieldName4 int32 + var fieldName5 int32 + var fieldName6 int32 + var fieldName7 int32 + var fieldName8 int32 + var fieldName9 int32 + var fieldName10 int32 + var fieldDecoder1 *structFieldDecoder + var fieldDecoder2 *structFieldDecoder + var fieldDecoder3 *structFieldDecoder + var fieldDecoder4 *structFieldDecoder + var fieldDecoder5 *structFieldDecoder + var fieldDecoder6 *structFieldDecoder + var fieldDecoder7 *structFieldDecoder + var fieldDecoder8 *structFieldDecoder + var fieldDecoder9 *structFieldDecoder + var fieldDecoder10 *structFieldDecoder + for fieldName, fieldDecoder := range fields { + fieldHash := calcHash(fieldName) + _, known := knownHash[fieldHash] + if known { + return &generalStructDecoder{typ, fields}, nil + } + knownHash[fieldHash] = struct{}{} + if fieldName1 == 0 { + fieldName1 = fieldHash + fieldDecoder1 = fieldDecoder + } else if fieldName2 == 0 { + fieldName2 = fieldHash + fieldDecoder2 = fieldDecoder + } else if fieldName3 == 0 { + fieldName3 = fieldHash + fieldDecoder3 = fieldDecoder + } else if fieldName4 == 0 { + fieldName4 = fieldHash + fieldDecoder4 = fieldDecoder + } else if fieldName5 == 0 { + fieldName5 = fieldHash + fieldDecoder5 = fieldDecoder + } else if fieldName6 == 0 { + fieldName6 = fieldHash + fieldDecoder6 = fieldDecoder + } else if fieldName7 == 0 { + fieldName7 = fieldHash + fieldDecoder7 = fieldDecoder + } else if fieldName8 == 0 { + fieldName8 = fieldHash + fieldDecoder8 = fieldDecoder + } else if fieldName9 == 0 { + fieldName9 = fieldHash + fieldDecoder9 = fieldDecoder + } else { + fieldName10 = fieldHash + fieldDecoder10 = fieldDecoder + } + } + return &tenFieldsStructDecoder{typ, + fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3, + fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6, + fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9, + fieldName10, fieldDecoder10}, nil + } + return &generalStructDecoder{typ, fields}, nil +} + +type generalStructDecoder struct { + typ reflect.Type + fields map[string]*structFieldDecoder +} + +func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + fieldBytes := iter.readObjectFieldAsBytes() + field := *(*string)(unsafe.Pointer(&fieldBytes)) + fieldDecoder := decoder.fields[strings.ToLower(field)] + if fieldDecoder == nil { + iter.Skip() + } else { + fieldDecoder.Decode(ptr, iter) + } + for iter.nextToken() == ',' { + fieldBytes = iter.readObjectFieldAsBytes() + field = *(*string)(unsafe.Pointer(&fieldBytes)) + fieldDecoder = decoder.fields[strings.ToLower(field)] + if fieldDecoder == nil { + iter.Skip() + } else { + fieldDecoder.Decode(ptr, iter) + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type skipObjectDecoder struct { + typ reflect.Type +} + +func (decoder *skipObjectDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + valueType := iter.WhatIsNext() + if valueType != ObjectValue && valueType != NilValue { + iter.ReportError("skipObjectDecoder", "expect object or null") + return + } + iter.Skip() +} + +type oneFieldStructDecoder struct { + typ reflect.Type + fieldHash int32 + fieldDecoder *structFieldDecoder +} + +func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + if iter.readFieldHash() == decoder.fieldHash { + decoder.fieldDecoder.Decode(ptr, iter) + } else { + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type twoFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder +} + +func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type threeFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder +} + +func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type fourFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder +} + +func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type fiveFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder +} + +func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type sixFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder +} + +func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type sevenFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder +} + +func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type eightFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder +} + +func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type nineFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder + fieldHash9 int32 + fieldDecoder9 *structFieldDecoder +} + +func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + case decoder.fieldHash9: + decoder.fieldDecoder9.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type tenFieldsStructDecoder struct { + typ reflect.Type + fieldHash1 int32 + fieldDecoder1 *structFieldDecoder + fieldHash2 int32 + fieldDecoder2 *structFieldDecoder + fieldHash3 int32 + fieldDecoder3 *structFieldDecoder + fieldHash4 int32 + fieldDecoder4 *structFieldDecoder + fieldHash5 int32 + fieldDecoder5 *structFieldDecoder + fieldHash6 int32 + fieldDecoder6 *structFieldDecoder + fieldHash7 int32 + fieldDecoder7 *structFieldDecoder + fieldHash8 int32 + fieldDecoder8 *structFieldDecoder + fieldHash9 int32 + fieldDecoder9 *structFieldDecoder + fieldHash10 int32 + fieldDecoder10 *structFieldDecoder +} + +func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + if !iter.readObjectStart() { + return + } + for { + switch iter.readFieldHash() { + case decoder.fieldHash1: + decoder.fieldDecoder1.Decode(ptr, iter) + case decoder.fieldHash2: + decoder.fieldDecoder2.Decode(ptr, iter) + case decoder.fieldHash3: + decoder.fieldDecoder3.Decode(ptr, iter) + case decoder.fieldHash4: + decoder.fieldDecoder4.Decode(ptr, iter) + case decoder.fieldHash5: + decoder.fieldDecoder5.Decode(ptr, iter) + case decoder.fieldHash6: + decoder.fieldDecoder6.Decode(ptr, iter) + case decoder.fieldHash7: + decoder.fieldDecoder7.Decode(ptr, iter) + case decoder.fieldHash8: + decoder.fieldDecoder8.Decode(ptr, iter) + case decoder.fieldHash9: + decoder.fieldDecoder9.Decode(ptr, iter) + case decoder.fieldHash10: + decoder.fieldDecoder10.Decode(ptr, iter) + default: + iter.Skip() + } + if iter.isObjectEnd() { + break + } + } + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error()) + } +} + +type structFieldDecoder struct { + field *reflect.StructField + fieldDecoder ValDecoder +} + +func (decoder *structFieldDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) { + fieldPtr := unsafe.Pointer(uintptr(ptr) + decoder.field.Offset) + decoder.fieldDecoder.Decode(fieldPtr, iter) + if iter.Error != nil && iter.Error != io.EOF { + iter.Error = fmt.Errorf("%s: %s", decoder.field.Name, iter.Error.Error()) + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream.go b/vendor/github.com/json-iterator/go/feature_stream.go new file mode 100644 index 000000000..9c8470a03 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream.go @@ -0,0 +1,305 @@ +package jsoniter + +import ( + "io" +) + +// Stream is a io.Writer like object, with JSON specific write functions. +// Error is not returned as return value, but stored as Error member on this stream instance. +type Stream struct { + cfg *frozenConfig + out io.Writer + buf []byte + n int + Error error + indention int +} + +// NewStream create new stream instance. +// cfg can be jsoniter.ConfigDefault. +// out can be nil if write to internal buffer. +// bufSize is the initial size for the internal buffer in bytes. +func NewStream(cfg API, out io.Writer, bufSize int) *Stream { + return &Stream{ + cfg: cfg.(*frozenConfig), + out: out, + buf: make([]byte, bufSize), + n: 0, + Error: nil, + indention: 0, + } +} + +// Pool returns a pool can provide more stream with same configuration +func (stream *Stream) Pool() StreamPool { + return stream.cfg +} + +// Reset reuse this stream instance by assign a new writer +func (stream *Stream) Reset(out io.Writer) { + stream.out = out + stream.n = 0 +} + +// Available returns how many bytes are unused in the buffer. +func (stream *Stream) Available() int { + return len(stream.buf) - stream.n +} + +// Buffered returns the number of bytes that have been written into the current buffer. +func (stream *Stream) Buffered() int { + return stream.n +} + +// Buffer if writer is nil, use this method to take the result +func (stream *Stream) Buffer() []byte { + return stream.buf[:stream.n] +} + +// Write writes the contents of p into the buffer. +// It returns the number of bytes written. +// If nn < len(p), it also returns an error explaining +// why the write is short. +func (stream *Stream) Write(p []byte) (nn int, err error) { + for len(p) > stream.Available() && stream.Error == nil { + if stream.out == nil { + stream.growAtLeast(len(p)) + } else { + var n int + if stream.Buffered() == 0 { + // Large write, empty buffer. + // Write directly from p to avoid copy. + n, stream.Error = stream.out.Write(p) + } else { + n = copy(stream.buf[stream.n:], p) + stream.n += n + stream.Flush() + } + nn += n + p = p[n:] + } + } + if stream.Error != nil { + return nn, stream.Error + } + n := copy(stream.buf[stream.n:], p) + stream.n += n + nn += n + return nn, nil +} + +// WriteByte writes a single byte. +func (stream *Stream) writeByte(c byte) { + if stream.Error != nil { + return + } + if stream.Available() < 1 { + stream.growAtLeast(1) + } + stream.buf[stream.n] = c + stream.n++ +} + +func (stream *Stream) writeTwoBytes(c1 byte, c2 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 2 { + stream.growAtLeast(2) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.n += 2 +} + +func (stream *Stream) writeThreeBytes(c1 byte, c2 byte, c3 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 3 { + stream.growAtLeast(3) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.n += 3 +} + +func (stream *Stream) writeFourBytes(c1 byte, c2 byte, c3 byte, c4 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 4 { + stream.growAtLeast(4) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.buf[stream.n+3] = c4 + stream.n += 4 +} + +func (stream *Stream) writeFiveBytes(c1 byte, c2 byte, c3 byte, c4 byte, c5 byte) { + if stream.Error != nil { + return + } + if stream.Available() < 5 { + stream.growAtLeast(5) + } + stream.buf[stream.n] = c1 + stream.buf[stream.n+1] = c2 + stream.buf[stream.n+2] = c3 + stream.buf[stream.n+3] = c4 + stream.buf[stream.n+4] = c5 + stream.n += 5 +} + +// Flush writes any buffered data to the underlying io.Writer. +func (stream *Stream) Flush() error { + if stream.out == nil { + return nil + } + if stream.Error != nil { + return stream.Error + } + if stream.n == 0 { + return nil + } + n, err := stream.out.Write(stream.buf[0:stream.n]) + if n < stream.n && err == nil { + err = io.ErrShortWrite + } + if err != nil { + if n > 0 && n < stream.n { + copy(stream.buf[0:stream.n-n], stream.buf[n:stream.n]) + } + stream.n -= n + stream.Error = err + return err + } + stream.n = 0 + return nil +} + +func (stream *Stream) ensure(minimal int) { + available := stream.Available() + if available < minimal { + stream.growAtLeast(minimal) + } +} + +func (stream *Stream) growAtLeast(minimal int) { + if stream.out != nil { + stream.Flush() + } + toGrow := len(stream.buf) + if toGrow < minimal { + toGrow = minimal + } + newBuf := make([]byte, len(stream.buf)+toGrow) + copy(newBuf, stream.Buffer()) + stream.buf = newBuf +} + +// WriteRaw write string out without quotes, just like []byte +func (stream *Stream) WriteRaw(s string) { + stream.ensure(len(s)) + if stream.Error != nil { + return + } + n := copy(stream.buf[stream.n:], s) + stream.n += n +} + +// WriteNil write null to stream +func (stream *Stream) WriteNil() { + stream.writeFourBytes('n', 'u', 'l', 'l') +} + +// WriteTrue write true to stream +func (stream *Stream) WriteTrue() { + stream.writeFourBytes('t', 'r', 'u', 'e') +} + +// WriteFalse write false to stream +func (stream *Stream) WriteFalse() { + stream.writeFiveBytes('f', 'a', 'l', 's', 'e') +} + +// WriteBool write true or false into stream +func (stream *Stream) WriteBool(val bool) { + if val { + stream.WriteTrue() + } else { + stream.WriteFalse() + } +} + +// WriteObjectStart write { with possible indention +func (stream *Stream) WriteObjectStart() { + stream.indention += stream.cfg.indentionStep + stream.writeByte('{') + stream.writeIndention(0) +} + +// WriteObjectField write "field": with possible indention +func (stream *Stream) WriteObjectField(field string) { + stream.WriteString(field) + if stream.indention > 0 { + stream.writeTwoBytes(':', ' ') + } else { + stream.writeByte(':') + } +} + +// WriteObjectEnd write } with possible indention +func (stream *Stream) WriteObjectEnd() { + stream.writeIndention(stream.cfg.indentionStep) + stream.indention -= stream.cfg.indentionStep + stream.writeByte('}') +} + +// WriteEmptyObject write {} +func (stream *Stream) WriteEmptyObject() { + stream.writeByte('{') + stream.writeByte('}') +} + +// WriteMore write , with possible indention +func (stream *Stream) WriteMore() { + stream.writeByte(',') + stream.writeIndention(0) +} + +// WriteArrayStart write [ with possible indention +func (stream *Stream) WriteArrayStart() { + stream.indention += stream.cfg.indentionStep + stream.writeByte('[') + stream.writeIndention(0) +} + +// WriteEmptyArray write [] +func (stream *Stream) WriteEmptyArray() { + stream.writeByte('[') + stream.writeByte(']') +} + +// WriteArrayEnd write ] with possible indention +func (stream *Stream) WriteArrayEnd() { + stream.writeIndention(stream.cfg.indentionStep) + stream.indention -= stream.cfg.indentionStep + stream.writeByte(']') +} + +func (stream *Stream) writeIndention(delta int) { + if stream.indention == 0 { + return + } + stream.writeByte('\n') + toWrite := stream.indention - delta + stream.ensure(toWrite) + for i := 0; i < toWrite && stream.n < len(stream.buf); i++ { + stream.buf[stream.n] = ' ' + stream.n++ + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_float.go b/vendor/github.com/json-iterator/go/feature_stream_float.go new file mode 100644 index 000000000..9a404e11d --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_float.go @@ -0,0 +1,96 @@ +package jsoniter + +import ( + "math" + "strconv" +) + +var pow10 []uint64 + +func init() { + pow10 = []uint64{1, 10, 100, 1000, 10000, 100000, 1000000} +} + +// WriteFloat32 write float32 to stream +func (stream *Stream) WriteFloat32(val float32) { + abs := math.Abs(float64(val)) + fmt := byte('f') + // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. + if abs != 0 { + if float32(abs) < 1e-6 || float32(abs) >= 1e21 { + fmt = 'e' + } + } + stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 32)) +} + +// WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster +func (stream *Stream) WriteFloat32Lossy(val float32) { + if val < 0 { + stream.writeByte('-') + val = -val + } + if val > 0x4ffffff { + stream.WriteFloat32(val) + return + } + precision := 6 + exp := uint64(1000000) // 6 + lval := uint64(float64(val)*float64(exp) + 0.5) + stream.WriteUint64(lval / exp) + fval := lval % exp + if fval == 0 { + return + } + stream.writeByte('.') + stream.ensure(10) + for p := precision - 1; p > 0 && fval < pow10[p]; p-- { + stream.writeByte('0') + } + stream.WriteUint64(fval) + for stream.buf[stream.n-1] == '0' { + stream.n-- + } +} + +// WriteFloat64 write float64 to stream +func (stream *Stream) WriteFloat64(val float64) { + abs := math.Abs(val) + fmt := byte('f') + // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right. + if abs != 0 { + if abs < 1e-6 || abs >= 1e21 { + fmt = 'e' + } + } + stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 64)) +} + +// WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster +func (stream *Stream) WriteFloat64Lossy(val float64) { + if val < 0 { + stream.writeByte('-') + val = -val + } + if val > 0x4ffffff { + stream.WriteFloat64(val) + return + } + precision := 6 + exp := uint64(1000000) // 6 + lval := uint64(val*float64(exp) + 0.5) + stream.WriteUint64(lval / exp) + fval := lval % exp + if fval == 0 { + return + } + stream.writeByte('.') + stream.ensure(10) + for p := precision - 1; p > 0 && fval < pow10[p]; p-- { + stream.writeByte('0') + } + stream.WriteUint64(fval) + for stream.buf[stream.n-1] == '0' { + stream.n-- + } +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_int.go b/vendor/github.com/json-iterator/go/feature_stream_int.go new file mode 100644 index 000000000..7cfd522c1 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_int.go @@ -0,0 +1,320 @@ +package jsoniter + +var digits []uint32 + +func init() { + digits = make([]uint32, 1000) + for i := uint32(0); i < 1000; i++ { + digits[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0' + if i < 10 { + digits[i] += 2 << 24 + } else if i < 100 { + digits[i] += 1 << 24 + } + } +} + +func writeFirstBuf(buf []byte, v uint32, n int) int { + start := v >> 24 + if start == 0 { + buf[n] = byte(v >> 16) + n++ + buf[n] = byte(v >> 8) + n++ + } else if start == 1 { + buf[n] = byte(v >> 8) + n++ + } + buf[n] = byte(v) + n++ + return n +} + +func writeBuf(buf []byte, v uint32, n int) { + buf[n] = byte(v >> 16) + buf[n+1] = byte(v >> 8) + buf[n+2] = byte(v) +} + +// WriteUint8 write uint8 to stream +func (stream *Stream) WriteUint8(val uint8) { + stream.ensure(3) + stream.n = writeFirstBuf(stream.buf, digits[val], stream.n) +} + +// WriteInt8 write int8 to stream +func (stream *Stream) WriteInt8(nval int8) { + stream.ensure(4) + n := stream.n + var val uint8 + if nval < 0 { + val = uint8(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint8(nval) + } + stream.n = writeFirstBuf(stream.buf, digits[val], n) +} + +// WriteUint16 write uint16 to stream +func (stream *Stream) WriteUint16(val uint16) { + stream.ensure(5) + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], stream.n) + return + } + r1 := val - q1*1000 + n := writeFirstBuf(stream.buf, digits[q1], stream.n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return +} + +// WriteInt16 write int16 to stream +func (stream *Stream) WriteInt16(nval int16) { + stream.ensure(6) + n := stream.n + var val uint16 + if nval < 0 { + val = uint16(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint16(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + n = writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return +} + +// WriteUint32 write uint32 to stream +func (stream *Stream) WriteUint32(val uint32) { + stream.ensure(10) + n := stream.n + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + } else { + r3 := q2 - q3*1000 + stream.buf[n] = byte(q3 + '0') + n++ + writeBuf(stream.buf, digits[r3], n) + n += 3 + } + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 +} + +// WriteInt32 write int32 to stream +func (stream *Stream) WriteInt32(nval int32) { + stream.ensure(11) + n := stream.n + var val uint32 + if nval < 0 { + val = uint32(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint32(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + } else { + r3 := q2 - q3*1000 + stream.buf[n] = byte(q3 + '0') + n++ + writeBuf(stream.buf, digits[r3], n) + n += 3 + } + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 +} + +// WriteUint64 write uint64 to stream +func (stream *Stream) WriteUint64(val uint64) { + stream.ensure(20) + n := stream.n + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 + return + } + r3 := q2 - q3*1000 + q4 := q3 / 1000 + if q4 == 0 { + n = writeFirstBuf(stream.buf, digits[q3], n) + writeBuf(stream.buf, digits[r3], n) + writeBuf(stream.buf, digits[r2], n+3) + writeBuf(stream.buf, digits[r1], n+6) + stream.n = n + 9 + return + } + r4 := q3 - q4*1000 + q5 := q4 / 1000 + if q5 == 0 { + n = writeFirstBuf(stream.buf, digits[q4], n) + writeBuf(stream.buf, digits[r4], n) + writeBuf(stream.buf, digits[r3], n+3) + writeBuf(stream.buf, digits[r2], n+6) + writeBuf(stream.buf, digits[r1], n+9) + stream.n = n + 12 + return + } + r5 := q4 - q5*1000 + q6 := q5 / 1000 + if q6 == 0 { + n = writeFirstBuf(stream.buf, digits[q5], n) + } else { + n = writeFirstBuf(stream.buf, digits[q6], n) + r6 := q5 - q6*1000 + writeBuf(stream.buf, digits[r6], n) + n += 3 + } + writeBuf(stream.buf, digits[r5], n) + writeBuf(stream.buf, digits[r4], n+3) + writeBuf(stream.buf, digits[r3], n+6) + writeBuf(stream.buf, digits[r2], n+9) + writeBuf(stream.buf, digits[r1], n+12) + stream.n = n + 15 +} + +// WriteInt64 write int64 to stream +func (stream *Stream) WriteInt64(nval int64) { + stream.ensure(20) + n := stream.n + var val uint64 + if nval < 0 { + val = uint64(-nval) + stream.buf[n] = '-' + n++ + } else { + val = uint64(nval) + } + q1 := val / 1000 + if q1 == 0 { + stream.n = writeFirstBuf(stream.buf, digits[val], n) + return + } + r1 := val - q1*1000 + q2 := q1 / 1000 + if q2 == 0 { + n := writeFirstBuf(stream.buf, digits[q1], n) + writeBuf(stream.buf, digits[r1], n) + stream.n = n + 3 + return + } + r2 := q1 - q2*1000 + q3 := q2 / 1000 + if q3 == 0 { + n = writeFirstBuf(stream.buf, digits[q2], n) + writeBuf(stream.buf, digits[r2], n) + writeBuf(stream.buf, digits[r1], n+3) + stream.n = n + 6 + return + } + r3 := q2 - q3*1000 + q4 := q3 / 1000 + if q4 == 0 { + n = writeFirstBuf(stream.buf, digits[q3], n) + writeBuf(stream.buf, digits[r3], n) + writeBuf(stream.buf, digits[r2], n+3) + writeBuf(stream.buf, digits[r1], n+6) + stream.n = n + 9 + return + } + r4 := q3 - q4*1000 + q5 := q4 / 1000 + if q5 == 0 { + n = writeFirstBuf(stream.buf, digits[q4], n) + writeBuf(stream.buf, digits[r4], n) + writeBuf(stream.buf, digits[r3], n+3) + writeBuf(stream.buf, digits[r2], n+6) + writeBuf(stream.buf, digits[r1], n+9) + stream.n = n + 12 + return + } + r5 := q4 - q5*1000 + q6 := q5 / 1000 + if q6 == 0 { + n = writeFirstBuf(stream.buf, digits[q5], n) + } else { + stream.buf[n] = byte(q6 + '0') + n++ + r6 := q5 - q6*1000 + writeBuf(stream.buf, digits[r6], n) + n += 3 + } + writeBuf(stream.buf, digits[r5], n) + writeBuf(stream.buf, digits[r4], n+3) + writeBuf(stream.buf, digits[r3], n+6) + writeBuf(stream.buf, digits[r2], n+9) + writeBuf(stream.buf, digits[r1], n+12) + stream.n = n + 15 +} + +// WriteInt write int to stream +func (stream *Stream) WriteInt(val int) { + stream.WriteInt64(int64(val)) +} + +// WriteUint write uint to stream +func (stream *Stream) WriteUint(val uint) { + stream.WriteUint64(uint64(val)) +} diff --git a/vendor/github.com/json-iterator/go/feature_stream_string.go b/vendor/github.com/json-iterator/go/feature_stream_string.go new file mode 100644 index 000000000..334282f05 --- /dev/null +++ b/vendor/github.com/json-iterator/go/feature_stream_string.go @@ -0,0 +1,396 @@ +package jsoniter + +import ( + "unicode/utf8" +) + +// htmlSafeSet holds the value true if the ASCII character with the given +// array position can be safely represented inside a JSON string, embedded +// inside of HTML