35eeb24a17
Add comments where missing and fix incorrect comments Signed-off-by: Derek McGowan <derek@mcg.dev>
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package content
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import (
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"strings"
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"github.com/containerd/containerd/filters"
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)
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// AdaptInfo returns `filters.Adaptor` that handles `content.Info`.
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func AdaptInfo(info Info) filters.Adaptor {
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return filters.AdapterFunc(func(fieldpath []string) (string, bool) {
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if len(fieldpath) == 0 {
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return "", false
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}
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switch fieldpath[0] {
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case "digest":
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return info.Digest.String(), true
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case "size":
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// TODO: support size based filtering
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case "labels":
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return checkMap(fieldpath[1:], info.Labels)
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}
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return "", false
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})
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}
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func checkMap(fieldpath []string, m map[string]string) (string, bool) {
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if len(m) == 0 {
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return "", false
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}
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value, ok := m[strings.Join(fieldpath, ".")]
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return value, ok
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}
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