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htmlpurifier/library/HTMLPurifier/AttrTransform/ImgSpace.php
2007-05-05 02:25:55 +00:00

47 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 {
var $attr;
var $css = array(
'hspace' => array('left', 'right'),
'vspace' => array('top', 'bottom')
);
function HTMLPurifier_AttrTransform_ImgSpace($attr) {
$this->attr = $attr;
if (!isset($this->css[$attr])) {
trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
}
}
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;
}
}
?>