mirror of
https://github.com/mikefarah/yq.git
synced 2024-11-12 13:48:06 +00:00
35 lines
959 B
Go
35 lines
959 B
Go
package yqlib
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import (
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"container/list"
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"fmt"
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yaml "gopkg.in/yaml.v3"
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)
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func reverseOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
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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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candidateNode := unwrapDoc(candidate.Node)
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if candidateNode.Kind != yaml.SequenceNode {
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return context, fmt.Errorf("node at path [%v] is not an array (it's a %v)", candidate.GetNicePath(), candidate.GetNiceTag())
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}
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reverseList := &yaml.Node{Kind: yaml.SequenceNode, Tag: "!!seq", Style: candidateNode.Style}
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reverseList.Content = make([]*yaml.Node, len(candidateNode.Content))
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for i, originalNode := range candidateNode.Content {
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reverseList.Content[len(candidateNode.Content)-i-1] = originalNode
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}
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results.PushBack(candidate.CreateReplacement(reverseList))
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}
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return context.ChildContext(results), nil
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}
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