Tyds simple template parser php class

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Tyds simple template parser PHP class is a wrapper class / library. It is a lightweight but powerful tool used to isolate Web applications back-end business logic design and front-end page layout.

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<?php
/*********************************************
* Application name：Tyds simple template parser php class
* version： v1.0.2
* Author: tyds msn: [email protected]
* email: [email protected]
***********************************************/

// use it with CodeIgniter , delete "//" at the left of the next line.
// if (! defined('BASEPATH')) exit('No direct script access allowed');
class Tydsparser {
var $left_delimiter = '{';
var $right_delimiter = '}';
var $template_dir = 'microtpl';
var $compile_dir = 'cache';
var $html_dir = 'cache/html';
var $force_compile = false;
var $force_html =false;
var $exp_time = 0;
var $html_time = 0;
var $d_time=0;
var $ftpl_var = array();
var $starttime =0.00;
var $char_code_re = '';

public function __construct($config = array()){

$this->initialize($config);

// use it with CodeIgniter , delete "//" at the left of the next line.
// log_message('debug', "Tydsparser Class Initialized");
}

private function initialize($config = array())
{
$path_parts = pathinfo(__FILE__);
$basedir = $path_parts["dirname"] ;
clearstatcache();


if (count($config) > 0)
{
if(!empty($config['left_tag'])&&!empty($config['right_tag'])){
$this->left_delimiter=$config['left_tag'];
$this->right_delimiter=$config['right_tag'];
}
if (!empty($config['template_dir'])){
$this->template_dir=THEROOT.$config['template_dir'];
}else{$this->template_dir=THEROOT.$this->template_dir;}
if (!empty($config['compile_dir'])&&!empty($config['html_dir']))
{
$this->compile_dir=THEROOT.$config['compile_dir'];
$this->html_dir=THEROOT.$config['html_dir'];
}else{
$this->compile_dir=THEROOT.$this->compile_dir;
$this->html_dir=THEROOT.$this->html_dir;
}
if (!empty($config['exp_time'])&&preg;_match('/\d+/', $config['exp_time']))
{
$this->exp_time=$config['exp_time'];
}
if (!empty($config['html_time'])&&preg;_match('/\d+/', $config['html_time']))
{
$this->exp_time=$config['html_time'];
}
if (!empty($config['datestr'])){
date_default_timezone_set(PRC);
$Dstrp = '/^\s*([1-9]\d{3})\s*[\-]?\s*(0?[1-9]|1[0-2])?\s*[\-]?\s*([0-2]?\d|3[01])?\s*([0-1]?\d|2[0-3])?\s*[:]?\s*([0-5]?\d)?\s*[:]?\s*([0-5]?\d)?$/';
if (preg_match($Dstrp,$config['datestr'],$time_arr)){
list($all, $Y,$M,$d,$H,$m,$S) = $time_arr;
$nowstr = date("Y-m-d H:i");
preg_match($Dstrp ,$nowstr,$now_arr);
list($alln, $Yn,$Mn,$dn,$Hn,$mn,$Sn) = $now_arr;
$Y=is_null($Y)?$Yn:$Y;
$M=is_null($M)?$Mn:$M;
$d=is_null($d)?$dn:$d;
$H=is_null($H)?$Hn:$H;
$m=is_null($m)?$mn:$m;
$S=is_null($S)?$Sn:$S;
$ms = mktime($H,$m,$S,$M,$d,$Y);
$this->d_time=$ms;
}
}
}

$re["gbk"] = "[\x20-\x7e]|[\x81-\xfe][\x40-\xfe]";
$re["gb2312"] = "[\x20-\x7e]|[\xb0-\xf7][\xa0-\xfe]";
$re["utf8"] = "[\x20-\x7e]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}";
$re["big5"] = "[\x20-\x7e]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])";
$this->char_code_re = $re["utf8"];

$this->create($this->compile_dir);
$this->create($this->html_dir);
}

public function __destruct(){
unset($this->_section,$this->ftpl_var);
}

private function mysubstr($str, $strlen, $suffix='') {
preg_match_all( '/'.$this->char_code_re.'/', $str, $match);
if(count($match[0]) <= $strlen) return $str;
$slice = join("",array_slice($match[0], 0, $strlen));
$slice = $slice.$suffix;
return $slice;
}

public function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}

private function var_or_value($equalvalue)
{
$equalvalue = trim($equalvalue);
if(preg_match('/^\$\w([\w\[\]\$]*[\w\]])*/',$equalvalue))
{return $this->parse_vars($equalvalue); }
elseif(preg_match('/^[\'](.+)[\']$/',$equalvalue,$matches))
{return $equalvalue; }
elseif(preg_match('/^["](.+)["]$/',$equalvalue,$matches))
{ return $equalvalue; }
elseif(preg_match('/^\d+$/',$equalvalue,$matches))
{return $equalvalue; }
elseif(strtolower($equalvalue) == "true" || strtolower($equalvalue) == "false" || strtolower($equalvalue) == "null")
{return $equalvalue; }
elseif(strlen($equalvalue) == 0)
{return "''"; }
else{
$equalvalue =str_replace("\'", "'", $equalvalue);
$equalvalue ="'".str_replace("'", "\'", $equalvalue)."'";
return $equalvalue; }

}

protected function create($dir){
if (!is_dir($dir))
{
$temp = explode('/',$dir);
$cur_dir = '';
for($i=0;$i<count($temp);$i++)
{
$cur_dir .= $temp[$i].'/';
if (!is_dir($cur_dir))
{
@mkdir($cur_dir,0777);
@fopen("$cur_dir/index.htm","a");
}
}
}
}

private function write_file($file_name,$content){
$compiledfile_url = $this->get_compiledfile_url($file_name);
if(!is_dir($this->compile_dir)){
$this->create($this->compile_dir);
}
if(!is_writable($this->compile_dir)){
$this->show_messages("Please set read/write property of the compile directory:".$this->compile_dir." and files in it as 777。");
}
$fp = fopen($compiledfile_url,'wb');
fwrite($fp,$content);
fclose($fp);
chmod($compiledfile_url,0777);
}

public function show_messages($message){
echo $message;
exit;
}

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