<?php

/*
OneLobby
Copyright (C) 2007 Peter Goodman, Geoffrey Goodman

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

class FABlockTag extends FATemplateTag 
{
	function parse(&$context, &$renderer, &$node) 
	{
		$this->requireAttributes('id');
		
		$id = $renderer->doText($this->getAttribute('id'));

		$html = '<fa:block id="'. $id .'">';
		$html .= $renderer->doNode($node);
		$html .= '</fa:block>';
		
		return $html;
	}
}

class k4CacheCanDoTag extends FATemplateTag
{
	function parse(&$context, &$renderer, &$node) 
	{
		$this->requireAttributes('object', 'perm');
		
		$perm = $this->getAttribute('perm');
		$object = $this->getAttribute('object');
		
		$html = '<fa:cando object="'. $object .'" perm="'. $perm .'">';
		$html .= $renderer->doNode($node);
		$html .= '</fa:cando>';
		
		return $html;
	}
}

class k4CacheIfTag extends FATemplateTag 
{
	function parse(&$context, &$renderer, &$node) 
	{
		$this->requireAttributes('static');
		$op = $this->requireOne('eq', 'neq', 'gt', 'lt', 'geq', 'leq');
		
		$operations = array(
			'eq' => '==',
			'eqvar' => '==',
			'neq' => '!=',
			'neqvar' => '!=',
			'gt' => '>',
			'lt' => '<',
			'geq' => '>=',
			'geqvar' => '>=',
			'leq' => '<=',
			'leqvar' => '<=',
			);
		
		$a = $context->get($this->getAttribute('static'));
		$b = $this->getAttribute($op);
		
		// TODO:{[this is ugly[parse[FAIfTag}
		if(strpos($op, 'var') !== FALSE) 
		{
			$b = $context->get($b);
		}
		
		// the reason md5 is here is because you're
		// probably comparing one object to another
		// in this case. So, an md5 of the serialized
		// object/array will do the trick.
		if(is_object($a) || is_array($a))
		{
			$a = md5(serialize($a));
		}
		if(is_object($b) || is_array($b))
		{
			$b = md5(serialize($b));
		}
		
		// htmlentities them, it doesn't matter what they are,
		// this will make it safe to plug them into the HTML
		$a = htmlentities($a, ENT_QUOTES, K4_CHARSET);
		$b = htmlentities($b, ENT_QUOTES, K4_CHARSET);
		
		$html = '<fa:if static="'. $a .'" '. $op .'="'. $b .'">';
		$html .= $renderer->doNode($node);
		$html .= "</fa:if>";
		
		return $html;
	}
}

?>