var $stack = array();
var $nodes = array();
var $done = false;
+ var $d = false;
+
+ private function _preg_error(){
+ switch(preg_last_error()){
+ case PREG_INTERNAL_ERROR: die('PREG_INTERNAL_ERROR'); break;
+ case PREG_BACKTRACK_LIMIT_ERROR: die('PREG_BACKTRACK_LIMIT_ERROR'); break;
+ case PREG_RECURSION_LIMIT_ERROR: die('PREG_RECURSION_LIMIT_ERROR'); break;
+ case PREG_BAD_UTF8_ERROR: die('PREG_BAD_UTF8_ERROR'); break;
+ case PREG_BAD_UTF8_OFFSET_ERROR: die('PREG_BAD_UTF8_OFFSET_ERROR'); break;
+ default:
+ //die("Unknown preg error.");
+ return;
+ }
+ }
private function _build_replace($r, $prefix){
}
private function _pop_stack(){
list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack);
+
}
private function _get_var($name){
- $keys = array_map('trim',explode(".",$name));
+ $keys = array_map('trim',explode(".",$name));
$val = $this->r;
foreach($keys as $k) {
$val = $val[$k];
/**
* IF node
*
- * {{ if <$var> }}...{{ endif }}
+ * {{ if <$var> }}...[{{ else }} ...] {{ endif }}
+ * {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
+ * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
*/
private function _replcb_if($args){
- $val = $this->_get_var($args[2]);
- return ($val?$args[3]:"");
+ if (strpos($args[2],"==")>0){
+ list($a,$b) = array_map("trim",explode("==",$args[2]));
+ $a = $this->_get_var($a);
+ if ($b[0]=="$") $b = $this->_get_var($b);
+ $val = ($a == $b);
+ } else if (strpos($args[2],"!=")>0){
+ list($a,$b) = explode("!=",$args[2]);
+ $a = $this->_get_var($a);
+ if ($b[0]=="$") $b = $this->_get_var($b);
+ $val = ($a != $b);
+ } else {
+ $val = $this->_get_var($args[2]);
+ }
+ list($strue, $sfalse)= preg_split("|{{ *else *}}|", $args[3]);
+ return ($val?$strue:$sfalse);
}
/**
list($keyname, $varname) = explode("=>",$m[1]);
if (is_null($varname)) { $varname=$keyname; $keyname=""; }
if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ;
- $vals = $this->r[$m[0]];
+ //$vals = $this->r[$m[0]];
+ $vals = $this->_get_var($m[0]);
$ret="";
if (!is_array($vals)) return $ret;
foreach ($vals as $k=>$v){
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);
+ return $s;
}
private function _replcb($m){
+ //var_dump(array_map('htmlspecialchars', $m));
$this->done = false;
$this->nodes[] = (array) $m;
return "||". (count($this->nodes)-1) ."||";
$this->done = false;
while (!$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 $s;
}
#$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);
- $s = str_replace($this->search,$this->replace, $s);
+ if ($s==Null) $this->_preg_error();
+ // replace strings recursively (limit to 10 loops)
+ $os = ""; $count=0;
+ while($os!=$s && $count<10){
+ $os=$s; $count++;
+ $s = str_replace($this->search,$this->replace, $s);
+ }
return $s;
}
}