mirror of https://github.com/mikefarah/yq.git
35 lines
974 B
Go
35 lines
974 B
Go
package yqlib
|
|
|
|
import (
|
|
"container/list"
|
|
"fmt"
|
|
|
|
yaml "gopkg.in/yaml.v3"
|
|
)
|
|
|
|
func reverseOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
|
|
results := list.New()
|
|
|
|
for el := context.MatchingNodes.Front(); el != nil; el = el.Next() {
|
|
candidate := el.Value.(*CandidateNode)
|
|
|
|
candidateNode := unwrapDoc(candidate.Node)
|
|
|
|
if candidateNode.Kind != yaml.SequenceNode {
|
|
return context, fmt.Errorf("node at path [%v] is not an array (it's a %v)", candidate.GetNicePath(), candidate.GetNiceTag())
|
|
}
|
|
|
|
reverseList := &yaml.Node{Kind: yaml.SequenceNode, Tag: "!!seq", Style: candidateNode.Style}
|
|
reverseList.Content = make([]*yaml.Node, len(candidateNode.Content))
|
|
|
|
for i, originalNode := range candidateNode.Content {
|
|
reverseList.Content[len(candidateNode.Content)-i-1] = originalNode
|
|
}
|
|
results.PushBack(candidate.CreateReplacementWithDocWrappers(reverseList))
|
|
|
|
}
|
|
|
|
return context.ChildContext(results), nil
|
|
|
|
}
|