projects / github / wallabag / wallabag.git / blame
| Commit | Line | Data |
|---|---|---|
| d4949327 NL |
1 | <?php\r |
| 2 | \r | |
| 3 | /**\r | |
| 4 | * Validates a Percentage as defined by the CSS spec.\r | |
| 5 | */\r | |
| 6 | class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef\r | |
| 7 | {\r | |
| 8 | \r | |
| 9 | /**\r | |
| 10 | * Instance to defer number validation to.\r | |
| 11 | * @type HTMLPurifier_AttrDef_CSS_Number\r | |
| 12 | */\r | |
| 13 | protected $number_def;\r | |
| 14 | \r | |
| 15 | /**\r | |
| 16 | * @param bool $non_negative Whether to forbid negative values\r | |
| 17 | */\r | |
| 18 | public function __construct($non_negative = false)\r | |
| 19 | {\r | |
| 20 | $this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative);\r | |
| 21 | }\r | |
| 22 | \r | |
| 23 | /**\r | |
| 24 | * @param string $string\r | |
| 25 | * @param HTMLPurifier_Config $config\r | |
| 26 | * @param HTMLPurifier_Context $context\r | |
| 27 | * @return bool|string\r | |
| 28 | */\r | |
| 29 | public function validate($string, $config, $context)\r | |
| 30 | {\r | |
| 31 | $string = $this->parseCDATA($string);\r | |
| 32 | \r | |
| 33 | if ($string === '') {\r | |
| 34 | return false;\r | |
| 35 | }\r | |
| 36 | $length = strlen($string);\r | |
| 37 | if ($length === 1) {\r | |
| 38 | return false;\r | |
| 39 | }\r | |
| 40 | if ($string[$length - 1] !== '%') {\r | |
| 41 | return false;\r | |
| 42 | }\r | |
| 43 | \r | |
| 44 | $number = substr($string, 0, $length - 1);\r | |
| 45 | $number = $this->number_def->validate($number, $config, $context);\r | |
| 46 | \r | |
| 47 | if ($number === false) {\r | |
| 48 | return false;\r | |
| 49 | }\r | |
| 50 | return "$number%";\r | |
| 51 | }\r | |
| 52 | }\r | |
| 53 | \r | |
| 54 | // vim: et sw=4 sts=4\r |