<?php

class Template {
	var $Body = '';
	var $BasePath = '';
	var $Filename = '';

	function Template($base_path=null, $filename=null, $silent=0)
	{
		if ($this->SetBasePath($base_path)) {
			if (isset($filename)) {
				$this->Filename = $filename;
				$this->LoadTemplate($silent);
			}
		}
	}

	function SetBasePath($base_path=null)
	{
		if (isset($base_path)) {
			$base_path = eregi_replace("/$", '', $base_path); //Cutting possible last slash
			$this->BasePath = $base_path;
			return true;
		}
		return false;
	}

	function GetFullPath()
	{
		return $this->BasePath.'/'.ltrim($this->Filename, '/').'.tpl';
	}

	/**
	 * Enter description here...
	 *
	 * @param int $silent template not found {0 - fatal error, 1 - warning, 2 - nothing}
	 * @return bool
	 */
	function LoadTemplate($silent = 0)
	{
		$filename = $this->GetFullPath();
		if(file_exists($filename)) {
			if (filesize ($filename)  == 0) {
				trigger_error("Template file size is 0: <b>$filename</b>", ($silent ? E_USER_NOTICE : E_USER_ERROR) );
			}

			$this->SetBody(file_get_contents($filename));
			/*$handle = fopen ($filename, "r");
			$contents = fread ($handle, filesize ($filename));
			$this->SetBody($contents);
			fclose ($handle);*/
			return true;
		}
		else {
			if ($silent != 2) {
				trigger_error("File or block not found: <b>$filename</b>", ($silent ? E_USER_NOTICE : E_USER_ERROR) );
			}
			return false;
		}
	}

	function SetBody($body)
	{
		$this->Body = $body;
	}

	function GetBody()
	{
		return $this->Body;
	}
}

class TemplatesCache extends kBase {
	var $Templates = Array();
	var $BasePath;
	var $FileNames = Array();

	function TemplatesCache()
	{
		parent::kBase();
		$this->BasePath = FULL_PATH.THEMES_PATH;

		$conn =& $this->Application->GetADODBConnection();
	}

	function LoadTemplate($filename, $title=NULL, $silent=0)
	{
		if (preg_match('#^[\/]{0,1}([^\/]*)\/(.*)#', $filename, $regs)) {
			$module_filename = $regs[2];
			$first_dir = $regs[1];
		}
		else {
			$first_dir = '';
			$module_filename = $filename;
		}

		if ( $this->Application->IsAdmin() && $this->Application->findModule('Name', $first_dir)) {
			$path = MODULES_PATH.'/'.strtolower($first_dir).'/admin_templates';
		}
		else {
			$path = $this->BasePath;
			$module_filename = $first_dir.'/'.$module_filename;
		}

		$template =& new Template($path, $module_filename, $silent);
		if (!isset($title)) $title = $filename;
		$this->SetTemplate($title, $template);
	}

	function GetRealFilename($filename, $base=null) {
		if (preg_match('#^[\/]{0,1}([^\/]*)\/(.*)#', $filename, $regs)) {
			$module_filename = $regs[2];
			$first_dir = $regs[1];
		}
		else {
			$first_dir = '';
			$module_filename = $filename;
		}

		if ( $this->Application->IsAdmin() && $this->Application->findModule('Name', $first_dir)) {
			$path = MODULES_PATH.'/'.strtolower($first_dir).'/admin_templates';
		}
		else {
			$path = isset($base) ? $base : $this->BasePath;
			$module_filename = $first_dir.'/'.$module_filename;
		}
		return $path.'/'.$module_filename;
	}

	function SetTemplate($title, &$template, $filename=null)
	{
		if (!isset($filename)) $filename=$title;
		$this->Templates[$title] = $template;
		$this->FileNames[$title] = $filename;
	}

	function &GetTemplate($title, $silent=0)
	{
		if (!isset($this->Templates[$title])) {
			$this->LoadTemplate($title, null, $silent);
		}
		return $this->Templates[$title];
	}

	function GetTemplateBody($title, $silent=0)
	{
		$template =& $this->GetTemplate($title, $silent);
		if ( !is_object($template) ) {
			return '';
		}
		return $template->GetBody();
	}

	function GetTemplateFileName($title)
	{
		return getArrayValue($this->FileNames, $title);
	}

	function SetTemplateBody($title, $body)
	{
		$template =& new Template();
		$template->SetBody($body);
		$this->SetTemplate($title, $template);
	}

	function ParseTemplate($template_name)
	{
		$Parser =& new TemplateParser($this->Application);
		return $Parser->Parse( $this->GetTemplateBody($template_name) );
	}

	function TemplateExists($filename)
	{
		if (!preg_match("/\.tpl$/", $filename)) $filename .= '.tpl';
		$real_file = $this->GetRealFilename($filename);
		return file_exists($real_file);
	}
}


?>