255 lines
6.6 KiB
PHP
Executable file
255 lines
6.6 KiB
PHP
Executable file
<?php
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define ("KEY_NOT_EXISTS", '^R_key_not_Exists^');
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class Template {
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var $r;
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var $search;
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var $replace;
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var $stack = array();
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var $nodes = array();
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var $done = false;
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var $d = false;
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var $lang = null;
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var $debug=false;
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private function _preg_error(){
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switch(preg_last_error()){
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case PREG_INTERNAL_ERROR: echo('PREG_INTERNAL_ERROR'); break;
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case PREG_BACKTRACK_LIMIT_ERROR: echo('PREG_BACKTRACK_LIMIT_ERROR'); break;
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case PREG_RECURSION_LIMIT_ERROR: echo('PREG_RECURSION_LIMIT_ERROR'); break;
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case PREG_BAD_UTF8_ERROR: echo('PREG_BAD_UTF8_ERROR'); break;
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case PREG_BAD_UTF8_OFFSET_ERROR: echo('PREG_BAD_UTF8_OFFSET_ERROR'); break;
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default:
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//die("Unknown preg error.");
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return;
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}
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echo "<hr><pre>";
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debug_print_backtrace();
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die();
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}
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private function _build_replace($r, $prefix){
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if(is_array($r) && count($r)) {
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foreach ($r as $k => $v ) {
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if (is_array($v)) {
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$this->_build_replace($v, "$prefix$k.");
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} else {
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$this->search[] = $prefix . $k;
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$this->replace[] = $v;
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}
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}
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}
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}
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private function _push_stack(){
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$this->stack[] = array($this->r, $this->nodes);
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}
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private function _pop_stack(){
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list($this->r, $this->nodes) = array_pop($this->stack);
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}
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private function _get_var($name, $retNoKey=false){
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$keys = array_map('trim',explode(".",$name));
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if ($retNoKey && !array_key_exists($keys[0], $this->r)) return KEY_NOT_EXISTS;
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$val = $this->r;
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foreach($keys as $k) {
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$val = (isset($val[$k]) ? $val[$k] : null);
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}
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return $val;
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}
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/**
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* IF node
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*
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* {{ if <$var> }}...[{{ else }} ...] {{ endif }}
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* {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
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* {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
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*/
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private function _replcb_if($args){
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if (strpos($args[2],"==")>0){
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list($a,$b) = array_map("trim",explode("==",$args[2]));
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$a = $this->_get_var($a);
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if ($b[0]=="$") $b = $this->_get_var($b);
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$val = ($a == $b);
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} else if (strpos($args[2],"!=")>0){
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list($a,$b) = explode("!=",$args[2]);
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$a = $this->_get_var($a);
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if ($b[0]=="$") $b = $this->_get_var($b);
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$val = ($a != $b);
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} else {
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$val = $this->_get_var($args[2]);
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}
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$x = preg_split("|{{ *else *}}|", $args[3]);
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return ( $val ? $x[0] : (isset($x[1]) ? $x[1] : ""));
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}
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/**
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* FOR node
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*
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* {{ for <$var> as $name }}...{{ endfor }}
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* {{ for <$var> as $key=>$name }}...{{ endfor }}
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*/
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private function _replcb_for($args){
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$m = array_map('trim', explode(" as ", $args[2]));
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list($keyname, $varname) = explode("=>",$m[1]);
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if (is_null($varname)) { $varname=$keyname; $keyname=""; }
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if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ;
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//$vals = $this->r[$m[0]];
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$vals = $this->_get_var($m[0]);
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$ret="";
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if (!is_array($vals)) return $ret;
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foreach ($vals as $k=>$v){
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$this->_push_stack();
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$r = $this->r;
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$r[$varname] = $v;
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if ($keyname!='') $r[$keyname] = $k;
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$ret .= $this->replace($args[3], $r);
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$this->_pop_stack();
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}
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return $ret;
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}
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/**
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* INC node
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*
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* {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }}
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*/
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private function _replcb_inc($args){
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if (strpos($args[2],"with")) {
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list($tplfile, $newctx) = array_map('trim', explode("with",$args[2]));
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} else {
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$tplfile = trim($args[2]);
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$newctx = null;
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}
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if ($tplfile[0]=="$") $tplfile = $this->_get_var($tplfile);
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$this->_push_stack();
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$r = $this->r;
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if (!is_null($newctx)) {
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list($a,$b) = array_map('trim', explode("=",$newctx));
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$r[$a] = $this->_get_var($b);
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}
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$this->nodes = Array();
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$tpl = get_markup_template($tplfile);
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$ret = $this->replace($tpl, $r);
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$this->_pop_stack();
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return $ret;
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}
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private function _replcb_node($m) {
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$node = $this->nodes[$m[1]];
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if (method_exists($this, "_replcb_".$node[1])){
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$s = call_user_func(array($this, "_replcb_".$node[1]), $node);
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} else {
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$s = "";
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}
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$s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
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return $s;
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}
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private function _replcb($m){
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//var_dump(array_map('htmlspecialchars', $m));
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$this->done = false;
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$this->nodes[] = (array) $m;
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return "||". (count($this->nodes)-1) ."||";
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}
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private function _build_nodes($s){
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$this->done = false;
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while (!$this->done){
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$this->done=true;
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$s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s);
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if ($s==Null) $this->_preg_error();
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}
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//({{ *else *}}[^{]*)?
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krsort($this->nodes);
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return $s;
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}
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/*
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private function _str_replace($str){
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#$this->search,$this->replace,
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$searchs = $this->search;
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foreach($searchs as $search){
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$search = "|".preg_quote($search)."(\|[a-zA-Z0-9_]*)*|";
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$m = array();
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if (preg_match_all($search, $str,$m)){
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foreach ($m[0] as $match){
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$toks = explode("|",$match);
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$val = $this->_get_var($toks[0]);
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for($k=1; $k<count($toks); $k++){
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$func = $toks[$k];
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if (function_exists($func)) $val = $func($val);
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}
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if (count($toks)>1){
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$str = str_replace( $match, $val, $str);
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}
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}
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}
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}
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return str_replace($this->search,$this->replace, $str);
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}*/
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private function var_replace($s){
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$m = array();
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if (preg_match_all('/\$([a-zA-Z0-9-_]+\.*)+/', $s,$m)){
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foreach($m[0] as $var){
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$val = $this->_get_var($var, true);
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if ($val!=KEY_NOT_EXISTS)
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$s = str_replace($var, $val, $s);
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}
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}
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return $s;
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}
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public function replace($s, $r) {
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$this->r = $r;
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/*$this->search = array();
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$this->replace = array();*/
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//$this->_build_replace($r, "");
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#$s = str_replace(array("\n","\r"),array("§n§","§r§"),$s);
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$s = $this->_build_nodes($s);
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$s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
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if ($s==Null) $this->_preg_error();
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// remove comments block
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$s = preg_replace('/{#[^#]*#}/', "" , $s);
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// replace strings recursively (limit to 10 loops)
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$os = ""; $count=0;
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while($os!=$s && $count<10){
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$os=$s; $count++;
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//$s = $this->_str_replace($s);
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$s = $this->var_replace($s);
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//$s = str_replace($this->search, $this->replace, $s);
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}
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return template_unescape($s);
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}
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}
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$t = new Template;
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function template_escape($s) {
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return str_replace(array('$','{{'),array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),$s);
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}
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function template_unescape($s) {
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return str_replace(array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),array('$','{{'),$s);
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}
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