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PATH: home / letacommog / letaweb / admin / classes / 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

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