template proc: avoid a notice and allow template name to include to be passed with...

[friendica.git] / include / template_processor.php

diff --git a/include/template_processor.php b/include/template_processor.php
old mode 100644 (file)
new mode 100755 (executable)
index 3f79ed5..b4d444e
--- a/include/template_processor.php
+++ b/include/template_processor.php
@@ -1,5 +1,6 @@
 <?php
 
+
        class Template {
                var $r;
                var $search;
@@ -7,28 +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: 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){
        
                        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[] = $v;
+                                       }
                                }
                        }
                } 
@@ -38,13 +47,14 @@
                }
                private function _pop_stack(){
                        list($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 $val;
                }
@@ -57,7 +67,6 @@
                 * {{ if <$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);
@@ -71,9 +80,8 @@
                        } 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] : ""));
                }
                
                /**
@@ -108,7 +116,15 @@
                 * {{ 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)) {
@@ -153,21 +169,74 @@
                        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"), $s);
                        if ($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 = $this->_str_replace($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);
+
+
+
+}