<?php

/**
 * Pre-transform that changes deprecated border attribute to CSS.
 */
class HTMLPurifier_AttrTransform_Border extends HTMLPurifier_AttrTransform {
	/**
	 *
	 * @param array $attr        	
	 * @param HTMLPurifier_Config $config        	
	 * @param HTMLPurifier_Context $context        	
	 * @return array
	 */
	public function transform($attr, $config, $context) {
		if (! isset ( $attr ['border'] )) {
			return $attr;
		}
		$border_width = $this->confiscateAttr ( $attr, 'border' );
		// some validation should happen here
		$this->prependCSS ( $attr, "border:{$border_width}px solid;" );
		return $attr;
	}
}

// vim: et sw=4 sts=4