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mirror of https://github.com/ezyang/htmlpurifier.git synced 2024-11-14 01:08:41 +00:00
htmlpurifier/library/HTMLPurifier/AttrTransform/ImgSpace.php
Edward Z. Yang a7fab00cdd [3.0.0] Convert all $context calls away from references
- Update TODO list
- URISchemeRegistry doesn't return a reference for instance anymore, should do the same for other singletons

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1477 48356398-32a2-884e-a903-53898d9a118a
2008-01-05 00:10:43 +00:00

46 lines
1.2 KiB
PHP

<?php
require_once 'HTMLPurifier/AttrTransform.php';
/**
* Pre-transform that changes deprecated hspace and vspace attributes to CSS
*/
class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform {
protected $attr;
protected $css = array(
'hspace' => array('left', 'right'),
'vspace' => array('top', 'bottom')
);
public function __construct($attr) {
$this->attr = $attr;
if (!isset($this->css[$attr])) {
trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
}
}
public function transform($attr, $config, $context) {
if (!isset($attr[$this->attr])) return $attr;
$width = $this->confiscateAttr($attr, $this->attr);
// some validation could happen here
if (!isset($this->css[$this->attr])) return $attr;
$style = '';
foreach ($this->css[$this->attr] as $suffix) {
$property = "margin-$suffix";
$style .= "$property:{$width}px;";
}
$this->prependCSS($attr, $style);
return $attr;
}
}