mirror of
https://github.com/renbaoshuo/S2OJ.git
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96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
<?php
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/**
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* Performs miscellaneous cross attribute validation and filtering for
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* input elements. This is meant to be a post-transform.
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*/
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class HTMLPurifier_AttrTransform_Input extends HTMLPurifier_AttrTransform
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{
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/**
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* @type HTMLPurifier_AttrDef_HTML_Pixels
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*/
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protected $pixels;
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public function __construct()
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{
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$this->pixels = new HTMLPurifier_AttrDef_HTML_Pixels();
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}
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/**
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* @param array $attr
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* @param HTMLPurifier_Config $config
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* @param HTMLPurifier_Context $context
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* @return array
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*/
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public function transform($attr, $config, $context)
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{
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if (!isset($attr['type'])) {
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$t = 'text';
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} else {
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$t = strtolower($attr['type']);
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}
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if (isset($attr['checked']) && $t !== 'radio' && $t !== 'checkbox') {
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unset($attr['checked']);
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}
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if (isset($attr['maxlength']) && $t !== 'text' && $t !== 'password') {
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unset($attr['maxlength']);
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}
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if (isset($attr['size']) && $t !== 'text' && $t !== 'password') {
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$result = $this->pixels->validate($attr['size'], $config, $context);
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if ($result === false) {
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unset($attr['size']);
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} else {
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$attr['size'] = $result;
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}
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}
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if (isset($attr['src']) && $t !== 'image') {
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unset($attr['src']);
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}
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if (!isset($attr['value']) && ($t === 'radio' || $t === 'checkbox')) {
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$attr['value'] = '';
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}
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return $attr;
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}
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}
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// vim: et sw=4 sts=4
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