← All changes | classes/helpers/FrmSerializedStringParserHelper.php +77 -42 6.3 → 6.18 View file →

		@@ -47,66 +47,101 @@
47	47	/**
48	48	* This is the recursive parser.
49	49	*
50	50	* @param FrmStringReaderHelper $string
51		- * @return mixed
	51	+ * @return array|bool|float|int|string|null
52	52	*/
53	53	private function do_parse( $string ) {
54		- $val = null;
55		-
56	54	// May be : or ; as a terminator, depending on what the data type is.
57		- $type = substr( $string->read( 2 ), 0, 1 );
	55	+ $type = $string->read( 1 );
	56	+ $string->skip_next_character();
58	57
59	58	switch ( $type ) {
60	59	case 'a':
61		- // Associative array: a:length:{[index][value]...}
62		- $count = (int) $string->read_until( ':' );
	60	+ return $this->parse_array( $string );
63	61
64		- // Eat the opening "{" of the array.
65		- $string->read( 1 );
	62	+ case 's':
	63	+ return $this->parse_string( $string );
66	64
67		- $val = array();
68		- for ( $i = 0; $i < $count; $i++ ) {
69		- $array_key = $this->do_parse( $string );
70		- $array_value = $this->do_parse( $string );
	65	+ case 'i':
	66	+ return $this->parse_int( $string );
71	67
72		- if ( ! is_array( $array_key ) ) {
73		- $val[ $array_key ] = $array_value;
74		- }
75		- }
	68	+ case 'd':
	69	+ return $this->parse_float( $string );
76	70
77		- // Eat "}" terminating the array.
78		- $string->read( 1 );
79		- break;
	71	+ case 'b':
	72	+ return $this->parse_bool( $string );
	73	+ }
80	74
81		- case 's':
82		- $len = (int) $string->read_until( ':' );
83		- $val = $string->read( $len + 2 );
	75	+ // Includes case 'N' and case 'O'.
	76	+ // Treat a serialized object or anything unexpected as Null.
	77	+ return null;
	78	+ }
84	79
85		- // Eat the separator.
86		- $string->read( 1 );
87		- break;
	80	+ /**
	81	+ * @param FrmStringReaderHelper $string
	82	+ * @return array
	83	+ */
	84	+ private function parse_array( $string ) {
	85	+ // Associative array: a:length:{[index][value]...}
	86	+ $count = (int) $string->read_until( ':' );
88	87
89		- case 'i':
90		- $val = (int) $string->read_until( ';' );
91		- break;
	88	+ // Eat the opening "{" of the array.
	89	+ $string->skip_next_character();
92	90
93		- case 'd':
94		- $val = (float) $string->read_until( ';' );
95		- break;
	91	+ $val = array();
	92	+ for ( $i = 0; $i < $count; $i++ ) {
	93	+ $array_key = $this->do_parse( $string );
	94	+ $array_value = $this->do_parse( $string );
96	95
97		- case 'b':
98		- // Boolean is 0 or 1.
99		- $bool = $string->read( 2 );
100		- $val = substr( $bool, 0, 1 ) == '1';
101		- break;
	96	+ if ( ! is_array( $array_key ) ) {
	97	+ $val[ $array_key ] = $array_value;
	98	+ }
	99	+ }
102	100
103		- default:
104		- // Includes case 'N' and case 'O'.
105		- // Treat a serialized object or anything unexpected as Null.
106		- $val = null;
107		- break;
108		- }
	101	+ // Eat "}" terminating the array.
	102	+ $string->skip_next_character();
109	103
	104	+ return $val;
	105	+ }
	106	+
	107	+ /**
	108	+ * @param FrmStringReaderHelper $string
	109	+ * @return string
	110	+ */
	111	+ private function parse_string( $string ) {
	112	+ $len = (int) $string->read_until( ':' );
	113	+ $val = $string->read( $len + 2 );
	114	+
	115	+ // Eat the separator.
	116	+ $string->skip_next_character();
	117	+
	118	+ return $val;
	119	+ }
	120	+
	121	+ /**
	122	+ * @param FrmStringReaderHelper $string
	123	+ * @return int
	124	+ */
	125	+ private function parse_int( $string ) {
	126	+ return (int) $string->read_until( ';' );
	127	+ }
	128	+
	129	+ /**
	130	+ * @param FrmStringReaderHelper $string
	131	+ * @return float
	132	+ */
	133	+ private function parse_float( $string ) {
	134	+ return (float) $string->read_until( ';' );
	135	+ }
	136	+
	137	+ /**
	138	+ * @param FrmStringReaderHelper $string
	139	+ * @return bool
	140	+ */
	141	+ private function parse_bool( $string ) {
	142	+ // Boolean is 0 or 1.
	143	+ $val = $string->read( 1 ) === '1';
	144	+ $string->skip_next_character();
110	145	return $val;
111	146	}
112	147	}