diff options
| -rw-r--r-- | include/template_processor.php | 113 |
1 files changed, 100 insertions, 13 deletions
diff --git a/include/template_processor.php b/include/template_processor.php index f6d0264df..d1ff3998f 100644 --- a/include/template_processor.php +++ b/include/template_processor.php @@ -1,11 +1,12 @@ <?php - class Template { - var $s; var $r; var $search; var $replace; + var $stack = array(); + var $nodes = array(); + var $done = false; private function _build_replace($r, $prefix){ @@ -20,31 +21,117 @@ } } - private function _replcb_if($m){ - //echo "<pre>"; var_dump($m); - $keys = explode(".",$m[1]); + private function _push_stack(){ + $this->stack[] = array($this->r, $this->search, $this->replace, $this->nodes); + } + private function _pop_stack(){ + list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack); + } + + private function _get_var($name){ + $keys = array_map('trim',explode(".",$name)); $val = $this->r; foreach($keys as $k) { $val = $val[$k]; } + return $val; + } + + /** + * IF node + * + * {{ if <$var> }}...{{ endif }} + */ + private function _replcb_if($args){ + $val = $this->_get_var($args[2]); + return ($val?$args[3]:""); + } + + /** + * FOR node + * + * {{ for <$var> as $name }}...{{ endfor }} + * {{ for <$var> as $key=>$name }}...{{ endfor }} + */ + 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; $keyname=""; } + if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ; + $vals = $this->r[$m[0]]; + $ret=""; + if (!is_array($vals)) return $ret; + foreach ($vals as $k=>$v){ + $this->_push_stack(); + $r = $this->r; + $r[$varname] = $v; + if ($keyname!='') $r[$keyname] = $k; + $ret .= $this->replace($args[3], $r); + $this->_pop_stack(); + } + return $ret; + } + + /** + * INC node + * + * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }} + */ + private function _replcb_inc($args){ + list($tplfile, $newctx) = array_map('trim', explode("with",$args[2])); + $this->_push_stack(); + $r = $this->r; + if (!is_null($newctx)) { + list($a,$b) = array_map('trim', explode("=",$newctx)); + $r[$a] = $this->_get_var($b); + } + $this->nodes = Array(); + $tpl = load_view_file($tplfile); + $ret = $this->replace($tpl, $r); + $this->_pop_stack(); + return $ret; - //echo $val; - return ($val?$m[2]:""); + } + + private function _replcb_node($m) { + $node = $this->nodes[$m[1]]; + if (method_exists($this, "_replcb_".$node[1])){ + return call_user_func(array($this, "_replcb_".$node[1]), $node); + } else { + return ""; + } + } + + private function _replcb($m){ + $this->done = false; + $this->nodes[] = (array) $m; + return "||". (count($this->nodes)-1) ."||"; + } + + private function _build_nodes($s){ + $this->done = false; + while (!$this->done){ + $this->done=true; + $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*){{ *end\1 *}}|', array($this, "_replcb"), $s); + } + krsort($this->nodes); + return $s; } public function replace($s, $r) { - $this->s = $s; $this->r = $r; $this->search = array(); $this->replace = array(); $this->_build_replace($r, ""); - - $s = preg_replace_callback("|{{ *if *([^ }]*) *}}([^{]*){{ *endif *}}|", array($this, "_replcb_if"), $s); + #$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); - return str_replace($this->search,$this->replace,$s); + return $s; } - - } + } + $t = new Template; |