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<?php
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/**
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 * Simple transformation, just change tag name to something else,
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 * and possibly add some styling. This will cover most of the deprecated
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 * tag cases.
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 */
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class HTMLPurifier_TagTransform_Simple extends HTMLPurifier_TagTransform
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{
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    /**
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     * @type string
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     */
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    protected $style;
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    /**
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     * @param string $transform_to Tag name to transform to.
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     * @param string $style CSS style to add to the tag
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     */
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    public function __construct($transform_to, $style = null)
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    {
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        $this->transform_to = $transform_to;
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        $this->style = $style;
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    }
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    /**
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     * @param HTMLPurifier_Token_Tag $tag
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     * @param HTMLPurifier_Config $config
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     * @param HTMLPurifier_Context $context
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     * @return string
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     */
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    public function transform($tag, $config, $context)
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    {
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        $new_tag = clone $tag;
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        $new_tag->name = $this->transform_to;
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        if (!is_null($this->style) &&
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            ($new_tag instanceof HTMLPurifier_Token_Start || $new_tag instanceof HTMLPurifier_Token_Empty)
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        ) {
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            $this->prependCSS($new_tag->attr, $this->style);
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        }
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        return $new_tag;
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    }
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}
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// vim: et sw=4 sts=4