mirror of https://github.com/mikefarah/yq.git
35 lines
873 B
Go
35 lines
873 B
Go
package yqlib
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import "container/list"
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type parentOpPreferences struct {
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Level int
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}
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func getParentOperator(_ *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
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log.Debugf("getParentOperator")
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var results = list.New()
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prefs := expressionNode.Operation.Preferences.(parentOpPreferences)
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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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currentLevel := 0
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for currentLevel < prefs.Level && candidate != nil {
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log.Debugf("currentLevel: %v, desired: %v", currentLevel, prefs.Level)
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log.Debugf("candidate: %v", NodeToString(candidate))
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candidate = candidate.Parent
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currentLevel++
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}
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log.Debugf("found candidate: %v", NodeToString(candidate))
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if candidate != nil {
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results.PushBack(candidate)
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}
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}
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return context.ChildContext(results), nil
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}
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