<?php class Template { var $r; var $search; var $replace; var $stack = array(); var $nodes = array(); var $done = false; private function _build_replace($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, $this->nodes); } private function _pop_stack(){ list($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(); $tpl = get_markup_template($tplfile); $ret = $this->replace($tpl, $r); $this->_pop_stack(); return $ret; } private function _replcb_node($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->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, (string) $s); return $s; } } $t = new Template;