Source of file Number.php
Size: 1,797 Bytes - Last Modified: 2021-12-23T10:07:55+00:00
/var/www/docs.ssmods.com/process/src/thirdparty/htmlpurifier-4.0.0-lite/library/HTMLPurifier/AttrDef/CSS/Number.php
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970 | <?php /** * Validates a number as defined by the CSS spec. */ class HTMLPurifier_AttrDef_CSS_Number extends HTMLPurifier_AttrDef { /** * Bool indicating whether or not only positive values allowed. */ protected $non_negative = false; /** * @param $non_negative Bool indicating whether negatives are forbidden */ public function __construct($non_negative = false) { $this->non_negative = $non_negative; } /** * @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 |