mirror of https://github.com/mikefarah/yq.git
37 lines
848 B
Go
37 lines
848 B
Go
package yqlib
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import (
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"container/list"
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)
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func selectOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
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log.Debugf("selectOperation")
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var 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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rhs, err := d.GetMatchingNodes(context.SingleReadonlyChildContext(candidate), expressionNode.RHS)
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if err != nil {
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return Context{}, err
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}
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// find any truthy node
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includeResult := false
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for resultEl := rhs.MatchingNodes.Front(); resultEl != nil; resultEl = resultEl.Next() {
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result := resultEl.Value.(*CandidateNode)
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includeResult = isTruthyNode(result)
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if includeResult {
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break
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}
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}
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if includeResult {
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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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