mirror of
https://github.com/ezyang/htmlpurifier.git
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522c8ed7c2
- Add FSTools:globr() - require_once removed from all files - HTMLPurifier.autoload.php added to register autoload handler - Removed redundant chdir in maintenance script - Modified standalone to use HTMLPurifier.includes.php for including stuff - Added maintenance script remove-require-once.php which we used once and should never use again git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1516 48356398-32a2-884e-a903-53898d9a118a
52 lines
1.6 KiB
PHP
52 lines
1.6 KiB
PHP
<?php
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// must be called POST validation
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HTMLPurifier_ConfigSchema::define(
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'Attr', 'DefaultInvalidImage', '', 'string',
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'This is the default image an img tag will be pointed to if it does '.
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'not have a valid src attribute. In future versions, we may allow the '.
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'image tag to be removed completely, but due to design issues, this is '.
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'not possible right now.'
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);
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HTMLPurifier_ConfigSchema::define(
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'Attr', 'DefaultInvalidImageAlt', 'Invalid image', 'string',
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'This is the content of the alt tag of an invalid image if the user '.
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'had not previously specified an alt attribute. It has no effect when the '.
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'image is valid but there was no alt attribute present.'
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);
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/**
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* Transform that supplies default values for the src and alt attributes
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* in img tags, as well as prevents the img tag from being removed
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* because of a missing alt tag. This needs to be registered as both
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* a pre and post attribute transform.
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*/
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class HTMLPurifier_AttrTransform_ImgRequired extends HTMLPurifier_AttrTransform
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{
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public function transform($attr, $config, $context) {
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$src = true;
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if (!isset($attr['src'])) {
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if ($config->get('Core', 'RemoveInvalidImg')) return $attr;
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$attr['src'] = $config->get('Attr', 'DefaultInvalidImage');
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$src = false;
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}
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if (!isset($attr['alt'])) {
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if ($src) {
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$attr['alt'] = basename($attr['src']);
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} else {
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$attr['alt'] = $config->get('Attr', 'DefaultInvalidImageAlt');
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}
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}
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return $attr;
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}
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}
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