Switch to v1.0.2 of github.com/chai2010/gettext-go

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

vendor/github.com/chai2010/gettext-go/mo/encoder.go

@@ -0,0 +1,105 @@
+// Copyright 2013 ChaiShushan <chaishushan{AT}gmail.com>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package mo
+
+import (
+	"bytes"
+	"encoding/binary"
+	"sort"
+	"strings"
+)
+
+type moHeader struct {
+	MagicNumber  uint32
+	MajorVersion uint16
+	MinorVersion uint16
+	MsgIdCount   uint32
+	MsgIdOffset  uint32
+	MsgStrOffset uint32
+	HashSize     uint32
+	HashOffset   uint32
+}
+
+type moStrPos struct {
+	Size uint32 // must keep fields order
+	Addr uint32
+}
+
+func encodeFile(f *File) []byte {
+	hdr := &moHeader{
+		MagicNumber: MoMagicLittleEndian,
+	}
+	data := encodeData(hdr, f)
+	data = append(encodeHeader(hdr), data...)
+	return data
+}
+
+// encode data and init moHeader
+func encodeData(hdr *moHeader, f *File) []byte {
+	msgList := []Message{f.MimeHeader.toMessage()}
+	for _, v := range f.Messages {
+		if len(v.MsgId) == 0 {
+			continue
+		}
+		if len(v.MsgStr) == 0 && len(v.MsgStrPlural) == 0 {
+			continue
+		}
+		msgList = append(msgList, v)
+	}
+	sort.Slice(msgList, func(i, j int) bool {
+		return msgList[i].less(&msgList[j])
+	})
+
+	var buf bytes.Buffer
+	var msgIdPosList = make([]moStrPos, len(msgList))
+	var msgStrPosList = make([]moStrPos, len(msgList))
+	for i, v := range msgList {
+		// write msgid
+		msgId := encodeMsgId(v)
+		msgIdPosList[i].Addr = uint32(buf.Len() + MoHeaderSize)
+		msgIdPosList[i].Size = uint32(len(msgId))
+		buf.WriteString(msgId)
+		// write msgstr
+		msgStr := encodeMsgStr(v)
+		msgStrPosList[i].Addr = uint32(buf.Len() + MoHeaderSize)
+		msgStrPosList[i].Size = uint32(len(msgStr))
+		buf.WriteString(msgStr)
+	}
+
+	hdr.MsgIdOffset = uint32(buf.Len() + MoHeaderSize)
+	binary.Write(&buf, binary.LittleEndian, msgIdPosList)
+	hdr.MsgStrOffset = uint32(buf.Len() + MoHeaderSize)
+	binary.Write(&buf, binary.LittleEndian, msgStrPosList)
+
+	hdr.MsgIdCount = uint32(len(msgList))
+	return buf.Bytes()
+}
+
+// must called after encodeData
+func encodeHeader(hdr *moHeader) []byte {
+	var buf bytes.Buffer
+	binary.Write(&buf, binary.LittleEndian, hdr)
+	return buf.Bytes()
+}
+
+func encodeMsgId(v Message) string {
+	if v.MsgContext != "" && v.MsgIdPlural != "" {
+		return v.MsgContext + EotSeparator + v.MsgId + NulSeparator + v.MsgIdPlural
+	}
+	if v.MsgContext != "" && v.MsgIdPlural == "" {
+		return v.MsgContext + EotSeparator + v.MsgId
+	}
+	if v.MsgContext == "" && v.MsgIdPlural != "" {
+		return v.MsgId + NulSeparator + v.MsgIdPlural
+	}
+	return v.MsgId
+}
+
+func encodeMsgStr(v Message) string {
+	if v.MsgIdPlural != "" {
+		return strings.Join(v.MsgStrPlural, NulSeparator)
+	}
+	return v.MsgStr
+}