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{{ if }} {{ else }} support in templates

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This commit is contained in:
Fabio Comuni 2011-06-16 12:02:05 +02:00
parent b7dc9f8867
commit 63390aa800
1 changed files with 32 additions and 7 deletions
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39
include/template_processor.php
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@ -8,6 +8,18 @@
var $nodes = array();
var $done = false;
private function _preg_error(){
switch(preg_last_error()){
case PREG_INTERNAL_ERROR: die('PREG_INTERNAL_ERROR'); break;
case PREG_BACKTRACK_LIMIT_ERROR: die('PREG_BACKTRACK_LIMIT_ERROR'); break;
case PREG_RECURSION_LIMIT_ERROR: die('PREG_RECURSION_LIMIT_ERROR'); break;
case PREG_BAD_UTF8_ERROR: die('PREG_BAD_UTF8_ERROR'); break;
case PREG_BAD_UTF8_OFFSET_ERROR: die('PREG_BAD_UTF8_OFFSET_ERROR'); break;
default:
die("Unknown preg error.");
}
}
private function _build_replace($r, $prefix){
if(is_array($r) && count($r)) {
@ -40,9 +52,9 @@
/**
* IF node
*
* {{ if <$var> }}...{{ endif }}
* {{ if <$var>==<val|$var> }}...{{ endif }}
* {{ if <$var>!=<val|$var> }}...{{ endif }}
* {{ if <$var> }}...[{{ else }} ...] {{ endif }}
* {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
* {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
*/
private function _replcb_if($args){
@ -59,7 +71,13 @@
} else {
$val = $this->_get_var($args[2]);
}
return ($val?$args[3]:"");
if (isset($args[4])) {
list($strue, $sfalse)= explode($args[4], $args[3]);
} else {
$strue = $args[3]; $sfalse = "";
}
return ($val?$strue:$sfalse);
}
/**
@ -112,13 +130,17 @@
private function _replcb_node($m) {
$node = $this->nodes[$m[1]];
if (method_exists($this, "_replcb_".$node[1])){
return call_user_func(array($this, "_replcb_".$node[1]), $node);
$s = call_user_func(array($this, "_replcb_".$node[1]), $node);
} else {
return "";
$s = "";
}
$s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
if ($s==Null) $this->_preg_error()
return $s;
}
private function _replcb($m){
//var_dump(array_map('htmlspecialchars', $m));
$this->done = false;
$this->nodes[] = (array) $m;
return "||". (count($this->nodes)-1) ."||";
@ -128,8 +150,10 @@
$this->done = false;
while (!$this->done){
$this->done=true;
$s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*){{ *end\1 *}}|', array($this, "_replcb"), $s);
$s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s);
if ($s==Null) $this->_preg_error();
}
//({{ *else *}}[^{]*)?
krsort($this->nodes);
return $s;
}
@ -144,6 +168,7 @@
#$s = str_replace(array("\n","\r"),array("§n§","§r§"),$s);
$s = $this->_build_nodes($s);
$s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
if ($s==Null) $this->_preg_error()
$s = str_replace($this->search,$this->replace, $s);
return $s;