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classes/helpers/FrmSerializedStringParserHelper.php
+77
-42
6.3.2
→
6.13
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 | } |