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updated associative sequence

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This commit is contained in:
Natasha Sarkar
2020-11-05 17:11:37 -08:00
parent e785bab474
commit 9f06376ab2
4 changed files with 42 additions and 62 deletions
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43
kyaml/yaml/fns.go
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@@ -54,35 +54,6 @@ type ElementSetter struct {
// Element is the new value to set -- remove the existing element if nil
Element *Node
// Key is a field on the elements. It is used to find the matching element to
// update / delete.
Key string `yaml:"key,omitempty"`
// Value is a field value on the elements. It is used to find matching elements to
// update / delete.
Value string `yaml:"value,omitempty"`
}
func (e ElementSetter) Filter(rn *RNode) (*RNode, error) {
return rn.Pipe(ElementSetterList{
Kind: e.Kind,
Element: e.Element,
Keys: []string{e.Key},
Values: []string{e.Value},
})
}
// ElementSetterList sets the value for an Element in an associative list.
// It behaves identically to ElementSetter, except that it uses multiple
// key-value pairs (in the form of a list of keys and a corresponding list
// of values) in order to find a matching element, whereas ElementSetter
// uses only one key-value pair.
type ElementSetterList struct {
Kind string `yaml:"kind,omitempty"`
// Element is the new value to set -- remove the existing element if nil
Element *Node
// Key is a list of fields on the elements. It is used to find matching elements to
// update / delete
Keys []string
@@ -93,19 +64,17 @@ type ElementSetterList struct {
}
// isMappingNode returns whether node is a mapping node
func (e ElementSetterList) isMappingNode(node *RNode) bool {
func (e ElementSetter) isMappingNode(node *RNode) bool {
return ErrorIfInvalid(node, yaml.MappingNode) == nil
}
// isMappingSetter returns is this setter intended to set a mapping node
func (e ElementSetterList) isMappingSetter() bool {
func (e ElementSetter) isMappingSetter() bool {
return len(e.Keys) > 0 && e.Keys[0] != "" &&
len(e.Values) > 0 && e.Values[0] != ""
}
// the main difference between this Filter and the ElementSetter Filter
// is that here we must iterate through all the key-value pairs
func (e ElementSetterList) Filter(rn *RNode) (*RNode, error) {
func (e ElementSetter) Filter(rn *RNode) (*RNode, error) {
if len(e.Keys) == 0 {
e.Keys = append(e.Keys, "")
}
@@ -143,11 +112,7 @@ func (e ElementSetterList) Filter(rn *RNode) (*RNode, error) {
var err error
found := true
for j := range e.Keys {
if j >= len(e.Values) {
val, err = newNode.Pipe(Get(e.Keys[j]))
} else {
val, err = newNode.Pipe(FieldMatcher{Name: e.Keys[j], StringValue: e.Values[j]})
}
val, err = newNode.Pipe(FieldMatcher{Name: e.Keys[j], StringValue: e.Values[j]})
if err != nil {
return nil, err
}