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[1.6.1] Implement vspace and hspace transformations in img.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1001 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-04-30 19:39:42 +00:00
parent d8a6361244
commit 72254cd77a
8 changed files with 123 additions and 3 deletions
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50
library/HTMLPurifier/AttrTransform/ImgSpace.php Normal file
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@@ -0,0 +1,50 @@
<?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 = $attr[$this->attr];
unset($attr[$this->attr]);
// some validation could happen here
if (!isset($this->css[$this->attr])) return $attr;
$attr['style'] = isset($attr['style']) ? $attr['style'] : '';
$style = '';
foreach ($this->css[$this->attr] as $suffix) {
$property = "margin-$suffix";
$style .= "$property:{$width}px;";
}
$attr['style'] = $style . $attr['style'];
return $attr;
}
}
?>

4
library/HTMLPurifier/HTMLModule/TransformToStrict.php
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@@ -12,6 +12,7 @@ require_once 'HTMLPurifier/AttrTransform/BgColor.php';
require_once 'HTMLPurifier/AttrTransform/Border.php';
require_once 'HTMLPurifier/AttrTransform/Name.php';
require_once 'HTMLPurifier/AttrTransform/Length.php';
require_once 'HTMLPurifier/AttrTransform/ImgSpace.php';
/**
* Proprietary module that transforms deprecated elements into Strict
@@ -95,6 +96,9 @@ class HTMLPurifier_HTMLModule_TransformToStrict extends HTMLPurifier_HTMLModule
$this->info['td']->attr_transform_pre['height'] =
$this->info['th']->attr_transform_pre['height'] = new HTMLPurifier_AttrTransform_Length('height');
$this->info['img']->attr_transform_pre['hspace'] = new HTMLPurifier_AttrTransform_ImgSpace('hspace');
$this->info['img']->attr_transform_pre['vspace'] = new HTMLPurifier_AttrTransform_ImgSpace('vspace');
}
var $defines_child_def = true;