Function SetWildcard

wildcard.go:90–109

SetWildcard applies Set to every concrete path matched by [*]. Wildcards may appear at any array position and may be repeated. If a wildcard matches an empty array, data is returned unchanged. SYS-REQ-113

(data []byte, setValue []byte, keys ...string)

//
// SYS-REQ-113
func SetWildcard(data []byte, setValue []byte, keys ...string) ([]byte, error) {
	if wildcardIndex(keys) == -1 {
		return Set(data, setValue, keys...)
	}

	var paths [][]string
	if err := expandWildcardPaths(data, nil, keys, &paths); err != nil {
		return nil, err
	}

	result := data
	for _, path := range paths {
		var err error
		result, err = Set(result, setValue, path...)
		if err != nil {
			return nil, err
		}
	}
	return result, nil
}

// SYS-REQ-113
func expandWildcardPaths(data []byte, concrete, remaining []string, paths *[][]string) error {