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<?php
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/**
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 * XHTML 1.1 Image Module provides basic image embedding.
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 * @note There is specialized code for removing empty images in
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 *       HTMLPurifier_Strategy_RemoveForeignElements
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 */
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class HTMLPurifier_HTMLModule_Image extends HTMLPurifier_HTMLModule
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{
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    /**
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     * @type string
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     */
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    public $name = 'Image';
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    /**
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     * @param HTMLPurifier_Config $config
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     */
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    public function setup($config)
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    {
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        $max = $config->get('HTML.MaxImgLength');
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        $img = $this->addElement(
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            'img',
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            'Inline',
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            'Empty',
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            'Common',
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            array(
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                'alt*' => 'Text',
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                // According to the spec, it's Length, but percents can
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                // be abused, so we allow only Pixels.
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                'height' => 'Pixels#' . $max,
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                'width' => 'Pixels#' . $max,
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                'longdesc' => 'URI',
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                'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded
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            )
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        );
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        if ($max === null || $config->get('HTML.Trusted')) {
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            $img->attr['height'] =
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            $img->attr['width'] = 'Length';
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        }
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        // kind of strange, but splitting things up would be inefficient
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        $img->attr_transform_pre[] =
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        $img->attr_transform_post[] =
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            new HTMLPurifier_AttrTransform_ImgRequired();
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    }
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}
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// vim: et sw=4 sts=4