<?php /** * Represents a Length as defined by CSS. */ class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef { protected $min, $max; /** * @param HTMLPurifier_Length $max Minimum length, or null for no bound. String is also acceptable. * @param HTMLPurifier_Length $max Maximum length, or null for no bound. String is also acceptable. */ public function __construct($min = null, $max = null) { $this->min = $min !== null ? HTMLPurifier_Length::make($min) : null; $this->max = $max !== null ? HTMLPurifier_Length::make($max) : null; } public function validate($string, $config, $context) { $string = $this->parseCDATA($string); // Optimizations if ($string === '') return false; if ($string === '0') return '0'; if (strlen($string) === 1) return false; $length = HTMLPurifier_Length::make($string); if (!$length->isValid()) return false; if ($this->min) { $c = $length->compareTo($this->min); if ($c === false) return false; if ($c < 0) return false; } if ($this->max) { $c = $length->compareTo($this->max); if ($c === false) return false; if ($c > 0) return false; } return $length->toString(); } } // vim: et sw=4 sts=4