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<?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("/([nr]+)t+/s", "1", $template);
$template = preg_replace("/<!--{(.+?)}-->/s", "{1}", $template);
$template = preg_replace("/{langs+(.+?)}/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);
$template = preg_replace("/[nrt]*{templates+([a-z0-9_]+)}[nrt]*/is", "n<? include('".$this->cache_dir."1".$this->cache_suffix."'); ?>n", $template);
$template = preg_replace("/[nrt]*{templates+(.+?)}[nrt]*/is", "n<? include('".$this->cache_dir."1".$$this->cache_suffix."'); ?>n", $template);
$template = preg_replace("/[nrt]*{evals+(.+?)}[nrt]*/ies", "$this->stripvtags('n<? 1 ?>n','')", $template);
$template = preg_replace("/[nrt]*{echos+(.+?)}[nrt]*/ies", "$this->stripvtags('n<? echo 1; ?>n','')", $template);
$template = preg_replace("/[nrt]*{elseifs+(.+?)}[nrt]*/ies", "$this->stripvtags('n<? } elseif(1) { ?>n','')", $template);
$template = preg_replace("/[nrt]*{else}[nrt]*/is", "n<? } else { ?>n", $template);
for($i = 0; $i < $this->nest; $i++) {
$template = preg_replace("/[nrt]*{loops+(S+)s+(S+)}[nr]*(.+?)[nr]*{/loop}[nrt]*/ies", "$this->stripvtags('n<? if(is_array(1)) { foreach(1 as 2) { ?>','n3n<? } } ?>n')", $template);
$template = preg_replace("/[nrt]*{loops+(S+)s+(S+)s+(S+)}[nrt]*(.+?)[nrt]*{/loop}[nrt]*/ies", "$this->stripvtags('n<? if(is_array(1)) { foreach(1 as 2 => 3) { ?>','n4n<? } } ?>n')", $template);
$template = preg_replace("/[nrt]*{ifs+(.+?)}[nr]*(.+?)[nr]*{/if}[nrt]*/ies", "$this->stripvtags('n<? if(1) { ?>','n2n<? } ?>n')", $template);
}
$template = preg_replace("/{$const_regexp}/s", "<?=1?>", $template);
$template = preg_replace("/ ?>[nr]*<? /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.$this->tp_suffix);
if(preg_match("http://www.jb51.net/".$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;
$head="欢迎使用MoMo模板引擎";
include("./cache/index1.tpl");
?>
模板index.html
复制代码 代码如下: {$head}
模板index1.html
复制代码 代码如下: （编辑：焦作站长网）
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