Function expandWildcardPaths

wildcard.go:112–148

SYS-REQ-113

(data []byte, concrete, remaining []string, paths *[][]string)

// SYS-REQ-113
func expandWildcardPaths(data []byte, concrete, remaining []string, paths *[][]string) error {
	wildcard := wildcardIndex(remaining)
	if wildcard == -1 {
		path := make([]string, len(concrete)+len(remaining))
		copy(path, concrete)
		copy(path[len(concrete):], remaining)
		*paths = append(*paths, path)
		return nil
	}

	arrayPath := make([]string, len(concrete)+wildcard)
	copy(arrayPath, concrete)
	copy(arrayPath[len(concrete):], remaining[:wildcard])

	array, valueType, _, err := Get(data, arrayPath...)
	if err != nil {
		return err
	}
	if valueType != Array {
		return MalformedArrayError
	}

	index := 0
	_, err = ArrayEachErr(array, func(_ []byte, _ ValueType, _ int, parseErr error) error {
		if parseErr != nil {
			return parseErr
		}

		nextPath := make([]string, len(arrayPath)+1)
		copy(nextPath, arrayPath)
		nextPath[len(arrayPath)] = "[" + strconv.Itoa(index) + "]"
		index++

		return expandWildcardPaths(data, nextPath, remaining[wildcard+1:], paths)
	})
	return err
}

// SYS-REQ-113
func wildcardIndex(path []string) int {