<?php

class NParserCompiler extends kHelper {

	var $Errors = array();
	var $Templates = array();

	function CompileTemplatesStep()
	{
		$templates = $this->Application->RecallVar('templates_to_compile');
		if (!$templates) {
			// build $templates
			$templates = $this->FindTemplates();
		}
		else {
			$templates = unserialize($templates);
		}
		$total = count($templates);
		$current = $this->Application->RecallVar('current_template_to_compile');
		if (!$current) $current = 0;

		if ($errors = $this->Application->RecallVar('compile_errors')) {
			$this->Errors = unserialize($errors);
		}

		$save_handler = $this->Application->errorHandlers[0];
		$this->Application->errorHandlers[0] = array(&$this, 'SaveError');

		safeDefine('DBG_NPARSER_FORCE_COMPILE',1);
		$i = $current;
		$this->Application->InitParser();
		while ($i < $total && $i < ($current + 20)) {
			$a_template = $templates[$i];
			$this->Application->Parser->CheckTemplate($a_template['module'].'/'.$a_template['path']);
			$i++;
		}

		$this->Application->errorHandlers[0] = $save_handler;

		$this->Application->StoreVar('current_template_to_compile', $i);
		$this->Application->StoreVar('templates_to_compile', serialize($templates));
		$this->Application->StoreVar('compile_errors', serialize($this->Errors));
		$res = floor(($current / $total) * 100);
		if ($res == 100 || $current >= $total) {
			$this->Application->RemoveVar('templates_to_compile');
			$this->Application->RemoveVar('current_template_to_compile');
			$this->Application->Redirect($this->Application->GetVar('finish_template'));
		}
		echo $res;
	}

	function SaveError($errno, $errstr, $errfile, $errline, $errcontext)
	{
		$this->Errors[] = array('msg'=>$errstr, 'file'=>$errfile, 'line'=>$errline);
		return true;
	}

	function FindTemplates()
	{
		$this->Templates = array();
		foreach ($this->Application->ModuleInfo as $module=>$options) {
			$this->FindTemplateFiles('/'.$options['Path'].'admin_templates', $options);
		}
		return $this->Templates;
	}

	function FindTemplateFiles($folderPath, $options)
	{
		// if FULL_PATH = "/" ensure, that all "/" in $folderPath are not deleted
		$reg_exp = '/^'.preg_quote(FULL_PATH, '/').'/';
		$folderPath = preg_replace($reg_exp, '', $folderPath, 1); // this make sense, since $folderPath may NOT contain FULL_PATH

		$fh = opendir(FULL_PATH.$folderPath);
		while (($sub_folder = readdir($fh))) {
			$full_path = FULL_PATH.$folderPath.'/'.$sub_folder;
			$base_name = basename($full_path);
			if (is_dir($full_path) && $base_name != '.' && $base_name != '..') {
				$this->FindTemplateFiles($full_path, $options);
			}
			else {
				$info = pathinfo($full_path);
				if (isset($info['extension']) && $info['extension'] == 'tpl') {
					$this->Templates[] = array('module' => strtolower($options['Name']), 'path' => str_replace(FULL_PATH.'/'.$options['Path'].'admin_templates/', '', preg_replace('/\.tpl$/', '', $full_path)));
				}
			}
		}
	}


}