X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftemplate_processor.php;h=4088ddab60840864c6b111c81c81615b1371cc94;hb=dbbf5b86a2ebfe862d4d833be41997d8b596f260;hp=0d476f0e6e63f54a15f88dc69ebd514f58a22934;hpb=58a9c652de09817b9c5d5132de51b8690ed32d53;p=friendica.git

diff --git a/include/template_processor.php b/include/template_processor.php
old mode 100755
new mode 100644
index 0d476f0e6e..4088ddab60
--- 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;
@@ -13,12 +13,14 @@
 		var $debug=false;
 		
 		private function _preg_error(){
+			
 			switch(preg_last_error()){
 			    case PREG_INTERNAL_ERROR: echo('PREG_INTERNAL_ERROR'); break;
 			    case PREG_BACKTRACK_LIMIT_ERROR: echo('PREG_BACKTRACK_LIMIT_ERROR'); break;
 			    case PREG_RECURSION_LIMIT_ERROR: echo('PREG_RECURSION_LIMIT_ERROR'); break;
 			    case PREG_BAD_UTF8_ERROR: echo('PREG_BAD_UTF8_ERROR'); break;
-			    case PREG_BAD_UTF8_OFFSET_ERROR: echo('PREG_BAD_UTF8_OFFSET_ERROR'); break;
+// This is only valid for php > 5.3, not certain how to code around it for unit tests
+//			    case PREG_BAD_UTF8_OFFSET_ERROR: echo('PREG_BAD_UTF8_OFFSET_ERROR'); break;
 			    default:
 					//die("Unknown preg error.");
 					return;
@@ -28,32 +30,21 @@
 			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.");
-					
-					$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 = $val[$k];
+				$val = (isset($val[$k]) ? $val[$k] : null);
 			}
 			return $val;
 		}
@@ -72,15 +63,15 @@
 				if ($b[0]=="$") $b =  $this->_get_var($b);
 				$val = ($a == $b);
 			} else if (strpos($args[2],"!=")>0){
-				list($a,$b) = explode("!=",$args[2]);
+				list($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 {
 				$val = $this->_get_var($args[2]);
 			}
-			list($strue, $sfalse)= preg_split("|{{ *else *}}|", $args[3]);
-			return ($val?$strue:$sfalse);
+			$x = preg_split("|{{ *else *}}|", $args[3]);
+			return ( $val ? $x[0] : (isset($x[1]) ? $x[1] : ""));
 		}
 		
 		/**
@@ -91,8 +82,13 @@
 		 */
 		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]);
@@ -102,7 +98,7 @@
 				$this->_push_stack();
 				$r = $this->r;
 				$r[$varname] = $v;
-				if ($keyname!='') $r[$keyname] = $k;
+				if ($keyname!='') $r[$keyname] = (($k === 0) ? '0' : $k);
 				$ret .=  $this->replace($args[3], $r);
 				$this->_pop_stack();
 			}
@@ -115,7 +111,15 @@
 		 * {{ 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)) {
@@ -129,6 +133,26 @@
 			return $ret;
 			
 		}
+		
+		/**
+		 * DEBUG node
+		 * 
+		 * {{ debug $var [$var [$var [...]]] }}{{ enddebug }}
+		 * 
+		 * replace node with <pre>var_dump($var, $var, ...);</pre>
+		 */
+		private function _replcb_debug($args){
+			$vars = array_map('trim', explode(" ",$args[2]));
+			$vars[] = $args[1];
+
+			$ret = "<pre>";
+			foreach ($vars as $var){
+				$ret .= htmlspecialchars(var_export( $this->_get_var($var), true ));
+				$ret .= "\n";
+			}
+			$ret .= "</pre>";
+			return $ret;
+		}
 
 		private function _replcb_node($m) {
 			$node = $this->nodes[$m[1]];
@@ -159,40 +183,34 @@
 			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);
@@ -200,13 +218,14 @@
 			
 			// 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);
+			return $s;
 		}
 	}