mirror of
https://github.com/mikefarah/yq.git
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41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
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package yqlib
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import (
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"bufio"
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"bytes"
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"container/list"
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"gopkg.in/yaml.v3"
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)
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func yamlToString(candidate *CandidateNode, prefs encoderPreferences) (string, error) {
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var output bytes.Buffer
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printer := NewPrinter(bufio.NewWriter(&output), prefs.format, true, false, 2, true)
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elMap := list.New()
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elMap.PushBack(candidate)
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err := printer.PrintResults(elMap)
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return output.String(), err
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}
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type encoderPreferences struct {
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format PrinterOutputFormat
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}
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/* encodes object as yaml string */
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func encodeOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
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preferences := expressionNode.Operation.Preferences.(encoderPreferences)
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var results = list.New()
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for el := context.MatchingNodes.Front(); el != nil; el = el.Next() {
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candidate := el.Value.(*CandidateNode)
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stringValue, err := yamlToString(candidate, preferences)
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if err != nil {
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return Context{}, err
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}
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stringContentNode := &yaml.Node{Kind: yaml.ScalarNode, Tag: "!!str", Value: stringValue}
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results.PushBack(candidate.CreateChild(nil, stringContentNode))
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}
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return context.ChildContext(results), nil
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}
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