yq/pkg/yqlib/operator_pipe.go
Mike Farah c6efd5519b Pass context through operators
Allows more sophisticated functionality
2021-02-11 10:58:40 +11:00

19 lines
614 B
Go

package yqlib
func pipeOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
//lhs may update the variable context, we should pass that into the RHS
// BUT we still return the original context back (see jq)
// https://stedolan.github.io/jq/manual/#Variable/SymbolicBindingOperator:...as$identifier|...
lhs, err := d.GetMatchingNodes(context, expressionNode.Lhs)
if err != nil {
return Context{}, err
}
rhs, err := d.GetMatchingNodes(lhs, expressionNode.Rhs)
if err != nil {
return Context{}, err
}
return context.ChildContext(rhs.MatchingNodes), nil
}