<?php
/*
 *  OPEN POWER LIBS <http://www.invenzzia.org>
 *
 *
 * This file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE. It is also available through
 * WWW at this URL: <http://www.invenzzia.org/license/new-bsd>
 *
 * Copyright (c) Invenzzia Group <http://www.invenzzia.org>
 * and other contributors. See website for details.
 *
 */

 // A format class that generates the necessary section content on the fly
 // The generation is obligatory, contrary to "RuntimeGenerator". 
 
	class Opt_Format_RuntimeGenerator extends Opt_Compiler_Format
	{
		protected $_supports = array(
			'section'		
		);

		protected function _build($hookName)
		{
			if($hookName == 'section:init')
			{
				$section = $this->_getVar('section');

				// Choose the data source.
				if(!is_null($section['parent']))
				{
					$parent = Opt_Instruction_BaseSection::getSection($section['parent']);
					$parent['format']->assign('item', $section['name']);
					$ds = $parent['format']->get('section:variable');
				}
				elseif(!is_null($section['datasource']))
				{
					$ds = $section['datasource'];
				}
				else
				{
					$this->assign('item', $section['name']);
					$ds = $this->get('variable:main');
				}

				if(!is_object($this->_decorated))
				{
					throw new Opt_FormatNotDecorated_Exception('StaticGenerator');
				}
				$ref = ($this->_decorated->property('section:useReference') ? ' & ' : '');

				return ' if('.$ds.' instanceof Opt_Generator_Interface){ $_sect'.$section['name'].'_vals = '.$ds.'->generate(\''.$section['name'].'\'); }else{ $_sect'.$section['name'].'_vals = '.$ref.$ds.'; } ';
			}
		} // end _build();

	} // end Opt_Format_RuntimeGenerator;