<?php

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

// vim: et sw=4 sts=4