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PATH: home / letacommog / crmleta / libraries / htmlpurifier / library / HTMLPurifier / AttrDef / HTML

<?php

/**
 * Validates an integer representation of pixels according to the HTML spec.
 */
class HTMLPurifier_AttrDef_HTML_Pixels extends HTMLPurifier_AttrDef
{

protected $max;

public function __construct($max = null) {
        $this->max = $max;
    }

public function validate($string, $config, $context) {

$string = trim($string);
        if ($string === '0') return $string;
        if ($string === '')  return false;
        $length = strlen($string);
        if (substr($string, $length - 2) == 'px') {
            $string = substr($string, 0, $length - 2);
        }
        if (!is_numeric($string)) return false;
        $int = (int) $string;

if ($int < 0) return '0';

// upper-bound value, extremely high values can
        // crash operating systems, see <http://ha.ckers.org/imagecrash.html>
        // WARNING, above link WILL crash you if you're using Windows

if ($this->max !== null && $int > $this->max) return (string) $this->max;

return (string) $int;

}

public function make($string) {
        if ($string === '') $max = null;
        else $max = (int) $string;
        $class = get_class($this);
        return new $class($max);
    }

}

// vim: et sw=4 sts=4

[+] ..
[-] Color.php [edit]
[-] Pixels.php [edit]
[-] LinkTypes.php [edit]
[-] Length.php [edit]
[-] Bool.php [edit]
[-] MultiLength.php [edit]
[-] FrameTarget.php [edit]
[-] Nmtokens.php [edit]
[-] ID.php [edit]