1 files changed, 137 insertions, 0 deletions
diff --git a/include/template_processor.php b/include/template_processor.php
new file mode 100644
index 000000000..efdfbaecb
--- /dev/null
+++ b/include/template_processor.php
@@ -0,0 +1,137 @@
+<?php
+
+	class Template {
+		var $r;
+		var $search;
+		var $replace;
+		var $stack = array();
+		var $nodes = array();
+		var $done = false;
+		
+		private function _build_replace($r, $prefix){
+	
+			if(is_array($r) && count($r)) {
+				foreach ($r as $k => $v ) {
+					if (is_array($v))
+						$this->_build_replace($v, "$prefix$k.");
+					
+					$this->search[] =  $prefix . $k;
+					$this->replace[] = $v;
+				}
+			}
+		} 
+		
+		private function _push_stack(){
+			$this->stack[] = array($this->r, $this->search, $this->replace, $this->nodes);
+		}
+		private function _pop_stack(){
+			list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack);
+		}
+		
+		private function _get_var($name){
+			$keys = array_map('trim',explode(".",$name));			
+			$val = $this->r;
+			foreach($keys as $k) {
+				$val = $val[$k];
+			}
+			return $val;
+		}
+		
+		/**
+		 * IF node
+		 * 
+		 * {{ if <$var> }}...{{ endif }}
+		 */
+		private function _replcb_if($args){
+			$val = $this->_get_var($args[2]);
+			return ($val?$args[3]:"");
+		}
+		
+		/**
+		 * FOR node
+		 * 
+		 * {{ for <$var> as $name }}...{{ endfor }}
+		 * {{ for <$var> as $key=>$name }}...{{ endfor }}
+		 */
+		private function _replcb_for($args){
+			$m = array_map('trim', explode(" as ", $args[2]));
+			list($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]];
+			$ret="";
+			if (!is_array($vals)) return $ret; 
+			foreach ($vals as $k=>$v){
+				$this->_push_stack();
+				$r = $this->r;
+				$r[$varname] = $v;
+				if ($keyname!='') $r[$keyname] = $k;
+				$ret .=  $this->replace($args[3], $r);
+				$this->_pop_stack();
+			}
+			return $ret;
+		}
+
+		/**
+		 * INC node
+		 * 
+		 * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }}
+		 */
+		private function _replcb_inc($args){
+			list($tplfile, $newctx) = array_map('trim', explode("with",$args[2]));
+			$this->_push_stack();
+			$r = $this->r;
+			if (!is_null($newctx)) {
+				list($a,$b) = array_map('trim', explode("=",$newctx));
+				$r[$a] = $this->_get_var($b); 
+			}
+			$this->nodes = Array();
+			$tpl = get_markup_template($tplfile);
+			$ret = $this->replace($tpl, $r);
+			$this->_pop_stack();
+			return $ret;
+			
+		}
+
+		private function _replcb_node($m) {
+			$node = $this->nodes[$m[1]];
+			if (method_exists($this, "_replcb_".$node[1])){
+				return call_user_func(array($this, "_replcb_".$node[1]),  $node);
+			} else {
+				return "";
+			}
+		}
+						
+		private function _replcb($m){
+			$this->done = false;	
+			$this->nodes[] = (array) $m;
+			return "||". (count($this->nodes)-1) ."||";
+		}
+		
+		private function _build_nodes($s){
+			$this->done = false;
+			while (!$this->done){
+				$this->done=true;
+				$s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*){{ *end\1 *}}|', array($this, "_replcb"), $s);
+			}
+			krsort($this->nodes);
+			return $s;
+		}
+		
+		public function replace($s, $r) {
+			$this->r = $r;
+			$this->search = array();
+			$this->replace = array();
+	
+			$this->_build_replace($r, "");
+			
+			#$s = str_replace(array("\n","\r"),array("§n§","§r§"),$s);
+			$s = $this->_build_nodes($s);
+			$s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
+			$s = str_replace($this->search,$this->replace, (string) $s);
+			
+			return $s;
+		}
+	}
+	
+	$t = new Template;