diff options
Diffstat (limited to 'library/HTMLPurifier/AttrDef/CSS/Number.php')
-rw-r--r-- | library/HTMLPurifier/AttrDef/CSS/Number.php | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/library/HTMLPurifier/AttrDef/CSS/Number.php b/library/HTMLPurifier/AttrDef/CSS/Number.php deleted file mode 100644 index 8edc159e7..000000000 --- a/library/HTMLPurifier/AttrDef/CSS/Number.php +++ /dev/null @@ -1,84 +0,0 @@ -<?php - -/** - * Validates a number as defined by the CSS spec. - */ -class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef -{ - - /** - * Indicates whether or not only positive values are allowed. - * @type bool - */ - protected $non_negative = false; - - /** - * @param bool $non_negative indicates whether negatives are forbidden - */ - public function __construct($non_negative = false) - { - $this->non_negative = $non_negative; - } - - /** - * @param string $number - * @param HTMLPurifier_Config $config - * @param HTMLPurifier_Context $context - * @return string|bool - * @warning Some contexts do not pass $config, $context. These - * variables should not be used without checking HTMLPurifier_Length - */ - public function validate($number, $config, $context) - { - $number = $this->parseCDATA($number); - - if ($number === '') { - return false; - } - if ($number === '0') { - return '0'; - } - - $sign = ''; - switch ($number[0]) { - case '-': - if ($this->non_negative) { - return false; - } - $sign = '-'; - case '+': - $number = substr($number, 1); - } - - if (ctype_digit($number)) { - $number = ltrim($number, '0'); - return $number ? $sign . $number : '0'; - } - - // Period is the only non-numeric character allowed - if (strpos($number, '.') === false) { - return false; - } - - list($left, $right) = explode('.', $number, 2); - - if ($left === '' && $right === '') { - return false; - } - if ($left !== '' && !ctype_digit($left)) { - return false; - } - - $left = ltrim($left, '0'); - $right = rtrim($right, '0'); - - if ($right === '') { - return $left ? $sign . $left : '0'; - } elseif (!ctype_digit($right)) { - return false; - } - return $sign . $left . '.' . $right; - } -} - -// vim: et sw=4 sts=4 |