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Can specify parent levels #1970

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This commit is contained in:
Mike Farah
2024-03-12 10:49:26 +11:00
parent 9e9cb65ec0
commit 8a07e3da3d
4 changed files with 97 additions and 4 deletions
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pkg/yqlib/operator_parent.go
+18 -3
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@@ -2,15 +2,30 @@ package yqlib
import "container/list"
func getParentOperator(_ *dataTreeNavigator, context Context, _ *ExpressionNode) (Context, error) {
type parentOpPreferences struct {
Level int
}
func getParentOperator(_ *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("getParentOperator")
var results = list.New()
prefs := expressionNode.Operation.Preferences.(parentOpPreferences)
for el := context.MatchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
if candidate.Parent != nil {
results.PushBack(candidate.Parent)
currentLevel := 0
for currentLevel < prefs.Level && candidate != nil {
log.Debugf("currentLevel: %v, desired: %v", currentLevel, prefs.Level)
log.Debugf("candidate: %v", NodeToString(candidate))
candidate = candidate.Parent
currentLevel++
}
log.Debugf("found candidate: %v", NodeToString(candidate))
if candidate != nil {
results.PushBack(candidate)
}
}