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<?php
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/**
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 * XHTML 1.1 Edit Module, defines editing-related elements. Text Extension
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 * Module.
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 */
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class HTMLPurifier_HTMLModule_Edit 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 = 'Edit';
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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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        $contents = 'Chameleon: #PCDATA | Inline ! #PCDATA | Flow';
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        $attr = array(
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            'cite' => 'URI',
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            // 'datetime' => 'Datetime', // not implemented
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        );
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        $this->addElement('del', 'Inline', $contents, 'Common', $attr);
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        $this->addElement('ins', 'Inline', $contents, 'Common', $attr);
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    }
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    // HTML 4.01 specifies that ins/del must not contain block
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    // elements when used in an inline context, chameleon is
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    // a complicated workaround to acheive this effect
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    // Inline context ! Block context (exclamation mark is
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    // separator, see getChildDef for parsing)
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    /**
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     * @type bool
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     */
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    public $defines_child_def = true;
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    /**
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     * @param HTMLPurifier_ElementDef $def
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     * @return HTMLPurifier_ChildDef_Chameleon
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     */
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    public function getChildDef($def)
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    {
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        if ($def->content_model_type != 'chameleon') {
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            return false;
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        }
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        $value = explode('!', $def->content_model);
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        return new HTMLPurifier_ChildDef_Chameleon($value[0], $value[1]);
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    }
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}
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// vim: et sw=4 sts=4