php下正则来匹配dede模板标签的代码_php技巧

php中文网

发布时间：2016-05-17 09:23:25

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html代码

DirCMS内容管理系统6.0

DirCMS内容管理系统，是国内自主研发的一款功能强大而又不失小巧简洁的由PHP+Mysql架构的内容管理系统。DirCMS代码全部开源，便于使用者二次开发或定制；并采用简洁的模板标签技术，使制作模板更加容易，一般情况下，用DirCMS架构一个企业站只需半天时间即可，真正实现功能的简洁，实用，强大，灵活。可广泛应用于架构各类门户站，下载站，企业站，工作室等站点。

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复制代码代码如下:

 









{t:arc row='10'} 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{/t:list}{t:field.title/} 
{/t:list}{t:field.title/} 
{/t:arc} 
{T:channelartlist 
row='6' 
} 


{t:field name='typename'/}{t:field.typename/} 
 
{t:arclist titlelen='42' row='10'} 

[field:title/]

([field:sendtime function="MyDate('m-d',@me)"/])



{/t:arclist} 


{/t:channelartlist 
} 
{t:global.cfg_title 
/}{t:var.cfg_title/}{t:global.cfg_webname /}{t:global.cfg_title/}{t:var.cfg_title/} 
{t:field.title function="Html2Text(@me)"/} 
{t:include 
filename="header.htm"/} 
{t:include filename="header.htm" 
/} 
{t:field.title function='Html2Text(@me)' }{/t:field 
} 
{t:array name='asdas' }{/t:array 
} 
{t:channel typeid='1' row='15'} 
[field:id/][field:typename/] 
{/t:channel 
} 
{t:channel typeid='1'} [field:id/] [field:typename/]{/t:channel} 
{t:channel typeid='1' }[field:id/] 
[field:typename/]{/t:channel 
}sd 
{t:channel}[field:typename/]{/t:channel 
} 
{t:channel typeid='1' row='20' }[field:userid/] 
[field:scores/] 
{/t:channel 
} 

php代码

复制代码代码如下:

$str = file_get_contents("test.htm");
$skstr="{";
$skdstr="t:";
$sdstr="}";
//$reg="/{t:.*?(?:\/).*?}/si";//此无法匹配嵌套,只能一层 si s: 使前面的. 包括换行符 i:不区分大小写
//$reg="/({t:*[^{]*\/}|{t:*[^}]*}([^{]|(?R))*{\/t:.*?})/si";无限嵌套都可截取.
$reg='/('.$skstr.$skdstr.'*[^'.$skstr.']*\/'.$sdstr.'|'.$skstr.$skdstr.'*[^'.$sdstr.']*'.$sdstr.'([^'.$skstr.']|(?R))*'.$skstr.'\/'.$skdstr.'.*?'.$sdstr.')/si';
preg_match_all($reg,$str,$m);
/*echo "

";print_r($m[0]);echo "

";exit();*/
$CTags=array();
$glarr1=array($skstr.$skdstr=>'');//array('{t:'=>'');前缀
$glarr2=array('"'=>'','\''=>'','$'=>'','/'=>'');
/*
{t:array typeid='1'}[field:typename/]{/t:array}
{t:global.title function="html2text(@me)"/}
*/
foreach($m[0] as $k=>$v){
$rarr=array();
$rarr['str']=$v; //原模板字符串
$vs=explode('}',$v); //分割取得第一部分 {t:array typeid='1'
$va=explode(' ',$vs[0]); //分割属性 " {t:array " , " typeid='1' "
$vb=explode('.',$va[0]); //分割标签名和字段名 {t:global.title
$rarr['tagname']=trim(strtr(strtolower($vb[0]),$glarr1));//过滤前缀{t: 取得标签名 array 或 golbal
$rarr['tagfield']=strtr($vb[1],$glarr2); //取得字段名 title
unset($vs[0]);$vsstr=implode('}',$vs); //去掉前缀,返回后半段: [field:typename/]{/t:array}
$rarr['text']=preg_replace("/".$skstr."\/".$skdstr.$rarr['tagname']."(.*?)".$sdstr."/si",'',$vsstr);
/*过滤后缀 {/t:array} 取得中间文本.
可能出现，空格或者换行所以使用正则，也可直接使用strtr 替换。
{/t:array }
{/t:array
}
strtr(strtolower($vsstr),array($skstr.'/'.$skdstr.$rarr['tagname'].$sdstr=>''));
*/
unset($va[0]);
$attr=array();
foreach($va as $val){//循环记录属性
$val=strtr($val,$glarr2); //typeid='1' 去掉 " ' / , typeid=1
$vc=explode('=',$val);
if(!empty($vc[0])){
$vc[0]=strtolower($vc[0]); //小写属性名
if($vc[0]=="function"){
$rarr['function']=$vc[1]; //返回要执行的 html2text(@me)
}else if($vc[0]=="name"){
$rarr['tagfield']=$vc[1]; //{t:field name='title' /}
}else{
$attr[trim($vc[0])]=$vc[1]; //属性 $attr['typeid']=1;
}
}
}
$rarr['attr']=$attr;
$CTags[$k]=$rarr;
}
echo "

"; 
print_r($CTags); 
echo "

";
?>

输出内容：

复制代码代码如下:

 
Array 
( 
[0] => Array 
( 
[str] => {t:arc row='10'} 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{/t:list}{t:field.title/} 
{/t:list}{t:field.title/} 
{/t:arc} 
[tagname] => arc 
[tagfield] => 
[text] => 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{t:list row='5'} 
{t:field.title/} 
{/t:list}{t:field.title/} 
{/t:list}{t:field.title/} 
[attr] => Array 
( 
[row] => 10 
) 
) 
[1] => Array 
( 
[str] => {T:channelartlist 
row='6' 
} 
{t:field name='typename'/}{t:field.typename/} 
{t:arclist titlelen='42' row='10'} 
[field:title/] 
([field:sendtime function="MyDate('m-d',@me)"/]) 
{/t:arclist} 
{/t:channelartlist 
} 
[tagname] => channelartlist 
[tagfield] => 
[text] => 
{t:field name='typename'/}{t:field.typename/} 
{t:arclist titlelen='42' row='10'} 
[field:title/] 
([field:sendtime function="MyDate('m-d',@me)"/]) 
{/t:arclist} 
[attr] => Array 
( 
[row] => 6 
) 
) 
[2] => Array 
( 
[str] => {t:global.cfg_title 
/} 
[tagname] => global 
[tagfield] => cfg_title 
[text] => 
[attr] => Array 
( 
) 
) 
[3] => Array 
( 
[str] => {t:var.cfg_title/} 
[tagname] => var 
[tagfield] => cfg_title 
[text] => 
[attr] => Array 
( 
) 
) 
[4] => Array 
( 
[str] => {t:global.cfg_webname /} 
[tagname] => global 
[tagfield] => cfg_webname 
[text] => 
[attr] => Array 
( 
) 
) 
[5] => Array 
( 
[str] => {t:global.cfg_title/} 
[tagname] => global 
[tagfield] => cfg_title 
[text] => 
[attr] => Array 
( 
) 
) 
[6] => Array 
( 
[str] => {t:var.cfg_title/} 
[tagname] => var 
[tagfield] => cfg_title 
[text] => 
[attr] => Array 
( 
) 
) 
[7] => Array 
( 
[str] => {t:field.title function="Html2Text(@me)"/} 
[tagname] => field 
[tagfield] => title 
[text] => 
[function] => Html2Text(@me) 
[attr] => Array 
( 
) 
) 
[8] => Array 
( 
[str] => {t:include 
filename="header.htm"/} 
[tagname] => include 
[tagfield] => 
[text] => 
[attr] => Array 
( 
[filename] => header.htm 
) 
) 
[9] => Array 
( 
[str] => {t:include filename="header.htm" 
/} 
[tagname] => include 
[tagfield] => 
[text] => 
[attr] => Array 
( 
[filename] => header.htm 
) 
) 
[10] => Array 
( 
[str] => {t:field.title function='Html2Text(@me)' }{/t:field 
} 
[tagname] => field 
[tagfield] => title 
[text] => 
[function] => Html2Text(@me) 
[attr] => Array 
( 
) 
) 
[11] => Array 
( 
[str] => {t:array name='asdas' }{/t:array 
} 
[tagname] => array 
[tagfield] => asdas 
[text] => 
[attr] => Array 
( 
) 
) 
[12] => Array 
( 
[str] => {t:channel typeid='1' row='15'} 
[field:id/][field:typename/] 
{/t:channel 
} 
[tagname] => channel 
[tagfield] => 
[text] => 
[field:id/][field:typename/] 
[attr] => Array 
( 
[typeid] => 1 
[row] => 15 
) 
) 
[13] => Array 
( 
[str] => {t:channel typeid='1'} [field:id/] [field:typename/]{/t:channel} 
[tagname] => channel 
[tagfield] => 
[text] => [field:id/] [field:typename/] 
[attr] => Array 
( 
[typeid] => 1 
) 
) 
[14] => Array 
( 
[str] => {t:channel typeid='1' }[field:id/] 
[field:typename/]{/t:channel 
} 
[tagname] => channel 
[tagfield] => 
[text] => [field:id/] 
[field:typename/] 
[attr] => Array 
( 
[typeid] => 1 
) 
) 
[15] => Array 
( 
[str] => {t:channel}[field:typename/]{/t:channel 
} 
[tagname] => channel 
[tagfield] => 
[text] => [field:typename/] 
[attr] => Array 
( 
) 
) 
[16] => Array 
( 
[str] => {t:channel typeid='1' row='20' }[field:userid/] 
[field:scores/] 
{/t:channel 
} 
[tagname] => channel 
[tagfield] => 
[text] => [field:userid/] 
[field:scores/] 
[attr] => Array 
( 
[typeid] => 1 
[row] => 20 
) 
) 
) 