data structures to support hidden friends

[friendica.git] / include / template_processor.php

diff --git a/include/template_processor.php b/include/template_processor.php
index 3f79ed5933925e731e724fdd1468fb5813107226..25f7703a2192cfe4b41a76c958c35514bb75fe45 100644 (file)
--- a/include/template_processor.php
+++ b/include/template_processor.php
@@ -1,5 +1,6 @@
 <?php
 
+
        class Template {
                var $r;
                var $search;
@@ -7,17 +8,24 @@
                var $stack = array();
                var $nodes = array();
                var $done = false;
+               var $d = false;
+               var $lang = null;
+               
                
                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;
+                           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.");
+                                       //die("Unknown preg error.");
+                                       return;
                        }
+                       echo "<hr><pre>";
+                       debug_print_backtrace();
+                       die();
                }
                
                private function _build_replace($r, $prefix){
@@ -38,10 +46,11 @@
                }
                private function _pop_stack(){
                        list($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];
@@ -57,7 +66,6 @@
                 * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
                 */
                private function _replcb_if($args){
-                       
                        if (strpos($args[2],"==")>0){
                                list($a,$b) = array_map("trim",explode("==",$args[2]));
                                $a = $this->_get_var($a);
@@ -72,7 +80,6 @@
                                $val = $this->_get_var($args[2]);
                        }
                        list($strue, $sfalse)= preg_split("|{{ *else *}}|", $args[3]);
-                       
                        return ($val?$strue:$sfalse);
                }
                
@@ -152,22 +159,49 @@
                        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"), $s);
                        if ($s==Null) $this->_preg_error();
-                       $s = str_replace($this->search,$this->replace, $s);
                        
-                       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++;
+                               $s = str_replace($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);
+
+
+
+}