diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/VarParser.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/VarParser.php | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/VarParser.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/VarParser.php deleted file mode 100644 index 4bf7771a..00000000 --- a/inc/3rdparty/htmlpurifier/HTMLPurifier/VarParser.php +++ /dev/null | |||
@@ -1,198 +0,0 @@ | |||
1 | <?php | ||
2 | |||
3 | /** | ||
4 | * Parses string representations into their corresponding native PHP | ||
5 | * variable type. The base implementation does a simple type-check. | ||
6 | */ | ||
7 | class HTMLPurifier_VarParser | ||
8 | { | ||
9 | |||
10 | const STRING = 1; | ||
11 | const ISTRING = 2; | ||
12 | const TEXT = 3; | ||
13 | const ITEXT = 4; | ||
14 | const INT = 5; | ||
15 | const FLOAT = 6; | ||
16 | const BOOL = 7; | ||
17 | const LOOKUP = 8; | ||
18 | const ALIST = 9; | ||
19 | const HASH = 10; | ||
20 | const MIXED = 11; | ||
21 | |||
22 | /** | ||
23 | * Lookup table of allowed types. Mainly for backwards compatibility, but | ||
24 | * also convenient for transforming string type names to the integer constants. | ||
25 | */ | ||
26 | public static $types = array( | ||
27 | 'string' => self::STRING, | ||
28 | 'istring' => self::ISTRING, | ||
29 | 'text' => self::TEXT, | ||
30 | 'itext' => self::ITEXT, | ||
31 | 'int' => self::INT, | ||
32 | 'float' => self::FLOAT, | ||
33 | 'bool' => self::BOOL, | ||
34 | 'lookup' => self::LOOKUP, | ||
35 | 'list' => self::ALIST, | ||
36 | 'hash' => self::HASH, | ||
37 | 'mixed' => self::MIXED | ||
38 | ); | ||
39 | |||
40 | /** | ||
41 | * Lookup table of types that are string, and can have aliases or | ||
42 | * allowed value lists. | ||
43 | */ | ||
44 | public static $stringTypes = array( | ||
45 | self::STRING => true, | ||
46 | self::ISTRING => true, | ||
47 | self::TEXT => true, | ||
48 | self::ITEXT => true, | ||
49 | ); | ||
50 | |||
51 | /** | ||
52 | * Validate a variable according to type. | ||
53 | * It may return NULL as a valid type if $allow_null is true. | ||
54 | * | ||
55 | * @param mixed $var Variable to validate | ||
56 | * @param int $type Type of variable, see HTMLPurifier_VarParser->types | ||
57 | * @param bool $allow_null Whether or not to permit null as a value | ||
58 | * @return string Validated and type-coerced variable | ||
59 | * @throws HTMLPurifier_VarParserException | ||
60 | */ | ||
61 | final public function parse($var, $type, $allow_null = false) | ||
62 | { | ||
63 | if (is_string($type)) { | ||
64 | if (!isset(HTMLPurifier_VarParser::$types[$type])) { | ||
65 | throw new HTMLPurifier_VarParserException("Invalid type '$type'"); | ||
66 | } else { | ||
67 | $type = HTMLPurifier_VarParser::$types[$type]; | ||
68 | } | ||
69 | } | ||
70 | $var = $this->parseImplementation($var, $type, $allow_null); | ||
71 | if ($allow_null && $var === null) { | ||
72 | return null; | ||
73 | } | ||
74 | // These are basic checks, to make sure nothing horribly wrong | ||
75 | // happened in our implementations. | ||
76 | switch ($type) { | ||
77 | case (self::STRING): | ||
78 | case (self::ISTRING): | ||
79 | case (self::TEXT): | ||
80 | case (self::ITEXT): | ||
81 | if (!is_string($var)) { | ||
82 | break; | ||
83 | } | ||
84 | if ($type == self::ISTRING || $type == self::ITEXT) { | ||
85 | $var = strtolower($var); | ||
86 | } | ||
87 | return $var; | ||
88 | case (self::INT): | ||
89 | if (!is_int($var)) { | ||
90 | break; | ||
91 | } | ||
92 | return $var; | ||
93 | case (self::FLOAT): | ||
94 | if (!is_float($var)) { | ||
95 | break; | ||
96 | } | ||
97 | return $var; | ||
98 | case (self::BOOL): | ||
99 | if (!is_bool($var)) { | ||
100 | break; | ||
101 | } | ||
102 | return $var; | ||
103 | case (self::LOOKUP): | ||
104 | case (self::ALIST): | ||
105 | case (self::HASH): | ||
106 | if (!is_array($var)) { | ||
107 | break; | ||
108 | } | ||
109 | if ($type === self::LOOKUP) { | ||
110 | foreach ($var as $k) { | ||
111 | if ($k !== true) { | ||
112 | $this->error('Lookup table contains value other than true'); | ||
113 | } | ||
114 | } | ||
115 | } elseif ($type === self::ALIST) { | ||
116 | $keys = array_keys($var); | ||
117 | if (array_keys($keys) !== $keys) { | ||
118 | $this->error('Indices for list are not uniform'); | ||
119 | } | ||
120 | } | ||
121 | return $var; | ||
122 | case (self::MIXED): | ||
123 | return $var; | ||
124 | default: | ||
125 | $this->errorInconsistent(get_class($this), $type); | ||
126 | } | ||
127 | $this->errorGeneric($var, $type); | ||
128 | } | ||
129 | |||
130 | /** | ||
131 | * Actually implements the parsing. Base implementation does not | ||
132 | * do anything to $var. Subclasses should overload this! | ||
133 | * @param mixed $var | ||
134 | * @param int $type | ||
135 | * @param bool $allow_null | ||
136 | * @return string | ||
137 | */ | ||
138 | protected function parseImplementation($var, $type, $allow_null) | ||
139 | { | ||
140 | return $var; | ||
141 | } | ||
142 | |||
143 | /** | ||
144 | * Throws an exception. | ||
145 | * @throws HTMLPurifier_VarParserException | ||
146 | */ | ||
147 | protected function error($msg) | ||
148 | { | ||
149 | throw new HTMLPurifier_VarParserException($msg); | ||
150 | } | ||
151 | |||
152 | /** | ||
153 | * Throws an inconsistency exception. | ||
154 | * @note This should not ever be called. It would be called if we | ||
155 | * extend the allowed values of HTMLPurifier_VarParser without | ||
156 | * updating subclasses. | ||
157 | * @param string $class | ||
158 | * @param int $type | ||
159 | * @throws HTMLPurifier_Exception | ||
160 | */ | ||
161 | protected function errorInconsistent($class, $type) | ||
162 | { | ||
163 | throw new HTMLPurifier_Exception( | ||
164 | "Inconsistency in $class: " . HTMLPurifier_VarParser::getTypeName($type) . | ||
165 | " not implemented" | ||
166 | ); | ||
167 | } | ||
168 | |||
169 | /** | ||
170 | * Generic error for if a type didn't work. | ||
171 | * @param mixed $var | ||
172 | * @param int $type | ||
173 | */ | ||
174 | protected function errorGeneric($var, $type) | ||
175 | { | ||
176 | $vtype = gettype($var); | ||
177 | $this->error("Expected type " . HTMLPurifier_VarParser::getTypeName($type) . ", got $vtype"); | ||
178 | } | ||
179 | |||
180 | /** | ||
181 | * @param int $type | ||
182 | * @return string | ||
183 | */ | ||
184 | public static function getTypeName($type) | ||
185 | { | ||
186 | static $lookup; | ||
187 | if (!$lookup) { | ||
188 | // Lazy load the alternative lookup table | ||
189 | $lookup = array_flip(HTMLPurifier_VarParser::$types); | ||
190 | } | ||
191 | if (!isset($lookup[$type])) { | ||
192 | return 'unknown'; | ||
193 | } | ||
194 | return $lookup[$type]; | ||
195 | } | ||
196 | } | ||
197 | |||
198 | // vim: et sw=4 sts=4 | ||