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features.go
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features.go
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// Copyright 2022 Google LLC
//
// 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 basic
import (
"github.com/google/yamlfmt"
"github.com/google/yamlfmt/internal/hotfix"
)
var (
featIncludeDocumentStart = yamlfmt.Feature{
Name: "Include Document Start",
AfterAction: func(content []byte) ([]byte, error) {
documentStart := "---\n"
return append([]byte(documentStart), content...), nil
},
}
featEmojiSupport = yamlfmt.Feature{
Name: "Emoji Support",
AfterAction: hotfix.ParseUnicodePoints,
}
featCRLFSupport = yamlfmt.Feature{
Name: "CRLF Support",
BeforeAction: hotfix.StripCRBytes,
AfterAction: hotfix.WriteCRLFBytes,
}
)
func ConfigureFeaturesFromConfig(config *Config) yamlfmt.FeatureList {
features := []yamlfmt.Feature{}
if config.EmojiSupport {
features = append(features, featEmojiSupport)
}
if config.IncludeDocumentStart {
features = append(features, featIncludeDocumentStart)
}
if config.LineEnding == yamlfmt.LineBreakStyleCRLF {
features = append(features, featCRLFSupport)
}
if config.RetainLineBreaks {
lineSep, err := config.LineEnding.Separator()
if err != nil {
lineSep = "\n"
}
featLineBreak := hotfix.MakeFeatureRetainLineBreak(lineSep)
features = append(features, featLineBreak)
}
return features
}