<?php

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

// vim: et sw=4 sts=4