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Added string trim operator

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This commit is contained in:
Mike Farah
2022-08-08 13:35:57 +10:00
parent 989dabac5a
commit a696dceea4
5 changed files with 53 additions and 0 deletions
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pkg/yqlib/operator_strings.go
+20
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@@ -13,6 +13,26 @@ type changeCasePrefs struct {
ToUpperCase bool
}
func trimSpaceOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
results := list.New()
for el := context.MatchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
node := unwrapDoc(candidate.Node)
if guessTagFromCustomType(node) != "!!str" {
return Context{}, fmt.Errorf("cannot trim %v, can only operate on strings. ", node.Tag)
}
newStringNode := &yaml.Node{Kind: yaml.ScalarNode, Tag: node.Tag, Style: node.Style}
newStringNode.Value = strings.TrimSpace(node.Value)
results.PushBack(candidate.CreateReplacement(newStringNode))
}
return context.ChildContext(results), nil
}
func changeCaseOperator(d *dataTreeNavigator, context Context, expressionNode *ExpressionNode) (Context, error) {
results := list.New()
prefs := expressionNode.Operation.Preferences.(changeCasePrefs)