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