X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftemplate_processor.php;h=7a4cba64e93b4e5aab9f5d817d315cb4e410faed;hb=5bb8ed4b8b5310acc8556ef2fba7b3958284b2a6;hp=d8dfbaedb109dd0746a00e918ec7e47a75af1556;hpb=e3d1ef8ef7c1be2a8588ec1709304f766b0c7607;p=friendica.git

diff --git a/include/template_processor.php b/include/template_processor.php
old mode 100644
new mode 100755
index d8dfbaedb1..7a4cba64e9
--- a/include/template_processor.php
+++ b/include/template_processor.php
@@ -1,5 +1,6 @@
 <?php
 
+
 	class Template {
 		var $r;
 		var $search;
@@ -7,16 +8,36 @@
 		var $stack = array();
 		var $nodes = array();
 		var $done = false;
+		var $d = false;
+		var $lang = null;
+		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;
+			    default:
+					//die("Unknown preg error.");
+					return;
+			}
+			echo "<hr><pre>";
+			debug_print_backtrace();
+			die();
+		}
 		
 		private function _build_replace($r, $prefix){
 	
 			if(is_array($r) && count($r)) {
 				foreach ($r as $k => $v ) {
-					if (is_array($v))
+					if (is_array($v)) {
 						$this->_build_replace($v, "$prefix$k.");
-					
-					$this->search[] =  $prefix . $k;
-					$this->replace[] = $v;
+					} else {
+						$this->search[] =  $prefix . $k;
+						$this->replace[] = $v;
+					}
 				}
 			}
 		} 
@@ -26,13 +47,14 @@
 		}
 		private function _pop_stack(){
 			list($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];
+				$val = (isset($val[$k]) ? $val[$k] : null);
 			}
 			return $val;
 		}
@@ -40,11 +62,26 @@
 		/**
 		 * IF node
 		 * 
-		 * {{ if <$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]);
+			}
+			$x = preg_split("|{{ *else *}}|", $args[3]);
+			return ( $val ? $x[0] : (isset($x[1]) ? $x[1] : ""));
 		}
 		
 		/**
@@ -55,10 +92,16 @@
 		 */
 		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 = $this->r[$m[0]];
+			$vals = $this->_get_var($m[0]);
 			$ret="";
 			if (!is_array($vals)) return $ret; 
 			foreach ($vals as $k=>$v){
@@ -96,13 +139,16 @@
 		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) ."||";
@@ -112,26 +158,82 @@
 			$this->done = false;
 			while (!$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;
 		}
 		
+        /*
+		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, $str);
+						} 
+					}
+				}
+				
+			}
+			return str_replace($this->search,$this->replace, $str);
+		}*/
+
+	
 		public function replace($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, $s);
+			if ($s==Null) $this->_preg_error();
 			
-			return $s;
+			// 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);
+				$s = str_replace($this->search, $this->replace, $s);
+			}
+			return template_unescape($s);
 		}
 	}
 	
 	$t = new Template;
+
+
+
+
+function template_escape($s) {
+
+	return str_replace(array('$','{{'),array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),$s);
+
+
+}
+
+function template_unescape($s) {
+
+	return str_replace(array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),array('$','{{'),$s);
+
+
+
+}