Function GetString

parser.go:1987–2007

SYS-REQ-002, SYS-REQ-071, SYS-REQ-072, SYS-REQ-073, SYS-REQ-074 GetString returns the value retrieved by `Get`, cast to a string if possible, trying to properly handle escape and utf8 symbols If key data type do not match, it will return an error.

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

// GetString returns the value retrieved by `Get`, cast to a string if possible, trying to properly handle escape and utf8 symbols
// If key data type do not match, it will return an error.
func GetString(data []byte, keys ...string) (val string, err error) {
	v, t, _, e := Get(data, keys...)

	if e != nil {
		return "", e
	}

	if t != String {
		if t == Null {
			return "", NullValueError
		}
		return "", fmt.Errorf("Value is not a string: %s", string(v))
	}

	// If no escapes return raw content
	if bytes.IndexByte(v, '\\') == -1 {
		return string(v), nil
	}

	return ParseString(v)
}

// GetFloat returns the value retrieved by `Get`, cast to a float64 if possible.
// The offset is the same as in `Get`.