X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftemplate_processor.php;h=7f7b0b55bd727c16524d03ebef5ed045f5a7a691;hb=ab89aa90caced4f60fc0ae944c7190e156a872e2;hp=7f270fb4b39504b9d601e12d2cc6603a8d6ffde0;hpb=6ddd444afde33337235eab3aa9d6d1fe12bcb7a4;p=friendica.git

diff --git a/include/template_processor.php b/include/template_processor.php
index 7f270fb4b3..7f7b0b55bd 100755
--- a/include/template_processor.php
+++ b/include/template_processor.php
@@ -1,5 +1,5 @@
 <?php
-
+	define ("KEY_NOT_EXISTS", '^R_key_not_Exists^');
 
 	class Template {
 		var $r;
@@ -28,30 +28,18 @@
 			die();
 		}
 		
-		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.");
-					} else {
-						$this->search[] =  $prefix . $k;
-						$this->replace[] = $v;
-					}
-				}
-			}
-		} 
 		
 		private function _push_stack(){
-			$this->stack[] = array($this->r, $this->search, $this->replace, $this->nodes);
+			$this->stack[] = array($this->r, $this->nodes);
 		}
 		private function _pop_stack(){
-			list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack);
+			list($this->r, $this->nodes) = array_pop($this->stack);
 			
 		}
 		
-		private function _get_var($name){
-			$keys = array_map('trim',explode(".",$name));		
+		private function _get_var($name, $retNoKey=false){
+			$keys = array_map('trim',explode(".",$name));
+			if ($retNoKey && !array_key_exists($keys[0], $this->r)) return KEY_NOT_EXISTS;
 			$val = $this->r;
 			foreach($keys as $k) {
 				$val = (isset($val[$k]) ? $val[$k] : null);
@@ -92,8 +80,13 @@
 		 */
 		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=""; }
+			$x = explode("=>",$m[1]);
+			if (count($x) == 1) {
+				$varname = $x[0];
+				$keyname = "";
+			} else {
+				list($keyname, $varname) = $x;
+			}
 			if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ;
 			//$vals = $this->r[$m[0]];
 			$vals = $this->_get_var($m[0]);
@@ -116,7 +109,15 @@
 		 * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }}
 		 */
 		private function _replcb_inc($args){
-			list($tplfile, $newctx) = array_map('trim', explode("with",$args[2]));
+			if (strpos($args[2],"with")) {
+				list($tplfile, $newctx) = array_map('trim', explode("with",$args[2]));
+			} else {
+				$tplfile = trim($args[2]);
+				$newctx = null;
+			}
+			
+			if ($tplfile[0]=="$") $tplfile = $this->_get_var($tplfile);
+			
 			$this->_push_stack();
 			$r = $this->r;
 			if (!is_null($newctx)) {
@@ -160,40 +161,34 @@
 			krsort($this->nodes);
 			return $s;
 		}
+		
 
-		private function _str_replace($str){
-			#$this->search,$this->replace,
-			$searchs = $this->search;
-			foreach($searchs as $search){
-				$search = "|".preg_quote($search)."(\|[a-zA-Z0-9_]*)*|";
-				$m = array();
-				if (preg_match_all($search, $str,$m)){
-					foreach ($m[0] as $match){
-						$toks = explode("|",$match);
-						$val = $this->_get_var($toks[0]);
-						for($k=1; $k<count($toks); $k++){
-							$func = $toks[$k];
-							if (function_exists($func)) $val = $func($val);
-						}
-						if (count($toks)>1){
-							$str = str_replace( $match, $val, $str);
-						} 
-					}
-				}
+		private function var_replace($s){
+			$m = array();
+			/** regexp:
+			 * \$ 						literal $
+			 * (\[)?					optional open square bracket
+			 * ([a-zA-Z0-9-_]+\.?)+		var name, followed by optional
+			 * 							dot, repeated at least 1 time
+			 * (?(1)\])					if there was opened square bracket
+			 * 							(subgrup 1), match close bracket
+			 */
+			if (preg_match_all('/\$(\[)?([a-zA-Z0-9-_]+\.?)+(?(1)\])/', $s,$m)){
 				
+				foreach($m[0] as $var){
+					$varn = str_replace(array("[","]"), array("",""), $var);
+					$val = $this->_get_var($varn, true);
+					if ($val!=KEY_NOT_EXISTS)
+						$s = str_replace($var, $val, $s);
+				}
 			}
-			return str_replace($this->search,$this->replace, $str);
+			
+			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);
@@ -201,11 +196,12 @@
 			
 			// remove comments block
 			$s = preg_replace('/{#[^#]*#}/', "" , $s);
+			
 			// replace strings recursively (limit to 10 loops)
 			$os = ""; $count=0;
 			while($os!=$s && $count<10){
 				$os=$s; $count++;
-				$s = $this->_str_replace($s);
+				$s = $this->var_replace($s);
 			}
 			return template_unescape($s);
 		}