yq/pkg/yqlib/operator_with.go

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package yqlib
import "fmt"
func withOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
log.Debugf("-- withOperator")
// with(path, exp)
if expressionNode.RHS.Operation.OperationType != blockOpType {
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return Context{}, fmt.Errorf("with must be given a block (;), got %v instead", expressionNode.RHS.Operation.OperationType.Type)
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}
pathExp := expressionNode.RHS.LHS
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updateContext, err := d.GetMatchingNodes(context, pathExp)
if err != nil {
return Context{}, err
}
updateExp := expressionNode.RHS.RHS
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for el := updateContext.MatchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
_, err = d.GetMatchingNodes(updateContext.SingleChildContext(candidate), updateExp)
if err != nil {
return Context{}, err
}
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}
return context, nil
}