引擎文件
代码如下：
<?php
/**
* 默默基于Discuz的模板引擎开发的OOP类模板引擎，可支持模板缓存并生成hash的md5值。由hash值来判断模板是否被修改，假如被修改则重新生成缓存文件，假如没有被修改，则直接调用缓存文件.
* 版本:1.0.0.1 beta 测试版
*/
class mmtp{
var $left_tags="{";
var $right_tags="}";
var $tp_suffix=".html";
var $cache_suffix=".tpl";
var $tp_dir="./";
var $cache_dir="./";
/**
* 允许循环嵌套的次数，默认为5
*
* @var unknown_type
*/
var $nest = 5;
/**
* 模板路径
*
* @param unknown_type $tp_dir
* @return mmtp
*/
function __setdir($tp_dir){
if(file_exists($tp_dir)){
$this->tp_dir=$tp_dir;
}else{
$this->error("模板路径不存在");
}
}
/**
* 设置缓存目录
*
* @param unknown_type $cache_dir
*/
function __setcdir($cache_dir){
if(file_exists($cache_dir)){
$this->cache_dir=$cache_dir;
}else{
$this->error("缓存路径不存在");
}
}
/**
* 输出错误信息
*
* @param unknown_type $msg
*/
function error($msg){
print "<div style=/"font-size:12px;color:red;/">".$msg."</div>";
}
/**
* 解析模板
*
* @param unknown_type $file
*/
function tp($file){
$tp_path=$this->tp_dir.$file.$this->tp_suffix;
$fp=fopen($tp_path,"rb");
if(!$this->file_test($tp_path,"r") && !$this->match_hash($file)){
$template=$this->file_read($tp_path);
$var_regexp = "((///$[a-zA-Z_/x7f-/xff][a-zA-Z0-9_/x7f-/xff]*)(/[[a-zA-Z0-9_/-/./"/'/[/]/$/x7f-/xff]+/])*)";
$const_regexp = "([a-zA-Z_/x7f-/xff][a-zA-Z0-9_/x7f-/xff]*)";
$template = preg_replace("/([/n/r]+)/t+/s", "//1", $template);
$template = preg_replace("//</!/-/-/{(.+?)/}/-/-/>/s", "{//1}", $template);
$template = preg_replace("//{lang/s+(.+?)/}/ies", "languagevar('//1')", $template);
$template = str_replace("{LF}", "<?=/"//n/"?>", $template);
$template = preg_replace("//{(///$[a-zA-Z0-9_/[/]/'/"/$/./x7f-/xff]+)/}/s", "<?=//1?>", $template);
$template = preg_replace("/$var_regexp/es", "/$this->addquote('<?=//1?>')", $template);
$template = preg_replace("//</?/=/</?/=$var_regexp/?/>/?/>/es", "/$this->addquote('<?=//1?>')", $template);
$template = preg_replace("/[/n/r/t]*/{template/s+([a-z0-9_]+)/}[/n/r/t]*/is", "/n<? include('".$this->cache_dir."//1".$this->cache_suffix."'); ?>/n", $template);
$template = preg_replace("/[/n/r/t]*/{template/s+(.+?)/}[/n/r/t]*/is", "/n<? include('".$this->cache_dir."//1".$$this->cache_suffix."'); ?>/n", $template);
$template = preg_replace("/[/n/r/t]*/{eval/s+(.+?)/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? //1 ?>/n','')", $template);
$template = preg_replace("/[/n/r/t]*/{echo/s+(.+?)/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? echo //1; ?>/n','')", $template);
$template = preg_replace("/[/n/r/t]*/{elseif/s+(.+?)/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? } elseif(//1) { ?>/n','')", $template);
$template = preg_replace("/[/n/r/t]*/{else/}[/n/r/t]*/is", "/n<? } else { ?>/n", $template);
for($i = 0; $i < $this->nest; $i++) {
$template = preg_replace("/[/n/r/t]*/{loop/s+(/S+)/s+(/S+)/}[/n/r]*(.+?)[/n/r]*/{//loop/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? if(is_array(//1)) { foreach(//1 as //2) { ?>','/n//3/n<? } } ?>/n')", $template);
$template = preg_replace("/[/n/r/t]*/{loop/s+(/S+)/s+(/S+)/s+(/S+)/}[/n/r/t]*(.+?)[/n/r/t]*/{//loop/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? if(is_array(//1)) { foreach(//1 as //2 => //3) { ?>','/n//4/n<? } } ?>/n')", $template);
$template = preg_replace("/[/n/r/t]*/{if/s+(.+?)/}[/n/r]*(.+?)[/n/r]*/{//if/}[/n/r/t]*/ies", "/$this->stripvtags('/n<? if(//1) { ?>','/n//2/n<? } ?>/n')", $template);
}
$template = preg_replace("//{$const_regexp/}/s", "<?=//1?>", $template);
$template = preg_replace("/ /?/>[/n/r]*/</? /s", " ", $template);
$hash=$this->file_hash($tp_path);
$head_hash="<!-- hash=".$hash." -->";
$foot_time="<!-- time=".(date("Y-m-d G:i:s"))." -->";
$this->file_write($this->cache_dir.$file.".tpl",$head_hash.$template.$foot_time);
}
}
/**
* 检查文件是否存在并且有读取权限
*
* @param unknown_type $path
*/
function file_test($path,$method){
if(!file_exists($path) || !fopen($path,$method)){
$this->error("模板文件不存在,或没有操作权限");
return false;
}
}
/**
* 读取文件内容
*
* @param unknown_type $path
* @return unknown
*/
function file_read($path,$length=0){
if(!$this->file_test($path,"r+")){
$fp=@fopen($path,"r+");
if($length==0){
$contents=@fread($fp,filesize($path));
}else{
$contents=@fread($fp,$length);
}
fclose($fp);
return $contents;
}
}
/**
* 写入文件内容
*
* @param unknown_type $path
* @param unknown_type $puts
*/
function file_write($path,$puts){
if(!$this->file_test($path,"w+")){
$fp=@fopen($path,"w+");
@fwrite($fp,$puts);
fclose($fp);
}
}
/**
* 计算文件的hash
*
* @param unknown_type $path
* @return unknown
*/
function file_hash($path){
return md5_file($path);
}
/**
* 对比模板文件与缓存文件的hash值
*
* @param unknown_type $file
* @return unknown
*/
function match_hash($file){
$read_hash=$this->file_read($this->cache_dir.$file.$this->cache_suffix,46);
$html_hash=$this->file_hash($this->tp_dir.$file.$this->tp_suffix);
if(preg_match("/".$html_hash."/i",$read_hash)){
return true;
}
}
function addquote($var) {
return str_replace("///"", "/"", preg_replace("//[([a-zA-Z0-9_/-/./x7f-/xff]+)/]/s", "['//1']", $var));
}
function transamp($str) {
$str = str_replace('&', '&', $str);
$str = str_replace('&', '&', $str);
$str = str_replace('/"', '"', $str);
return $str;
}
function stripvtags($expr, $statement) {
$expr = str_replace("///"", "/"", preg_replace("//</?/=(///$.+?)/?/>/s", "//1", $expr));
$statement = str_replace("///"", "/"", $statement);
return $expr.$statement;
}
}
$tp=new mmtp();
$tp->__setdir("./");
$tp->__setcdir("./cache/");
$tp->tp("index1");
$_GET[it]=sdhkadajksdhajdhkajsdhjkasdjkasdhasjdhkjsadhk;
$name=2;
$head="欢迎使用MoMo模板引擎";
include("./cache/index1.tpl");
?>
模板index.html
代码如下：
{$head}
模板index1.html
代码如下：
{template index}
{if $name==1}
你好
{else}
谢谢
{/if}
这个模板是默默今天下午写的,写的比较仓促,也许存在漏洞,这个版本只是测试版,以后我会逐渐的去完善,先发出来,当作一个前瞻.
