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Pass context through operators

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Allows more sophisticated functionality
This commit is contained in:
Mike Farah
2021-02-11 10:58:40 +11:00
parent 3bae44be68
commit c6efd5519b
40 changed files with 439 additions and 434 deletions
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pkg/yqlib/operator_keys.go
+4 -4
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@@ -7,12 +7,12 @@ import (
"gopkg.in/yaml.v3"
)
func keysOperator(d *dataTreeNavigator, matchMap *list.List, expressionNode *ExpressionNode) (*list.List, error) {
func keysOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("-- keysOperator")
var results = list.New()
for el := matchMap.Front(); el != nil; el = el.Next() {
for el := context.MatchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
node := unwrapDoc(candidate.Node)
var targetNode *yaml.Node
@@ -21,14 +21,14 @@ func keysOperator(d *dataTreeNavigator, matchMap *list.List, expressionNode *Exp
} else if node.Kind == yaml.SequenceNode {
targetNode = getIndicies(node)
} else {
return nil, fmt.Errorf("Cannot get keys of %v, keys only works for maps and arrays", node.Tag)
return Context{}, fmt.Errorf("Cannot get keys of %v, keys only works for maps and arrays", node.Tag)
}
result := candidate.CreateChild(nil, targetNode)
results.PushBack(result)
}
return results, nil
return context.ChildContext(results), nil
}
func getMapKeys(node *yaml.Node) *yaml.Node {