<?php
+ define ("KEY_NOT_EXISTS", '^R_key_not_Exists^');
class Template {
var $r;
var $stack = array();
var $nodes = array();
var $done = false;
+ var $d = false;
+ var $lang = null;
+ var $debug=false;
- private function _build_replace($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 _preg_error(){
+ switch(preg_last_error()){
+ 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.");
+ return;
}
- }
+ echo "<hr><pre>";
+ debug_print_backtrace();
+ die();
+ }
+
private function _push_stack(){
- $this->stack[] = array($this->r, $this->search, $this->replace, $this->nodes);
+ $this->stack[] = array($this->r, $this->nodes);
}
private function _pop_stack(){
- list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack);
+ list($this->r, $this->nodes) = array_pop($this->stack);
+
}
- private function _get_var($name){
- $keys = array_map('trim',explode(".",$name));
+ private function _get_var($name, $retNoKey=false){
+ $keys = array_map('trim',explode(".",$name));
+ if ($retNoKey && !array_key_exists($keys[0], $this->r)) return KEY_NOT_EXISTS;
$val = $this->r;
foreach($keys as $k) {
- $val = $val[$k];
+ $val = (isset($val[$k]) ? $val[$k] : null);
}
return $val;
}
/**
* IF node
*
- * {{ if <$var> }}...{{ endif }}
+ * {{ if <$var> }}...[{{ else }} ...] {{ endif }}
+ * {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
+ * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
*/
private function _replcb_if($args){
- $val = $this->_get_var($args[2]);
- return ($val?$args[3]:"");
+ if (strpos($args[2],"==")>0){
+ list($a,$b) = array_map("trim",explode("==",$args[2]));
+ $a = $this->_get_var($a);
+ if ($b[0]=="$") $b = $this->_get_var($b);
+ $val = ($a == $b);
+ } else if (strpos($args[2],"!=")>0){
+ list($a,$b) = explode("!=",$args[2]);
+ $a = $this->_get_var($a);
+ if ($b[0]=="$") $b = $this->_get_var($b);
+ $val = ($a != $b);
+ } else {
+ $val = $this->_get_var($args[2]);
+ }
+ $x = preg_split("|{{ *else *}}|", $args[3]);
+ return ( $val ? $x[0] : (isset($x[1]) ? $x[1] : ""));
}
/**
*/
private function _replcb_for($args){
$m = array_map('trim', explode(" as ", $args[2]));
- list($keyname, $varname) = explode("=>",$m[1]);
+ @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]];
+ //$vals = $this->r[$m[0]];
+ $vals = $this->_get_var($m[0]);
$ret="";
if (!is_array($vals)) return $ret;
foreach ($vals as $k=>$v){
* {{ 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)) {
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);
+ $s = call_user_func(array($this, "_replcb_".$node[1]), $node);
} else {
- return "";
+ $s = "";
}
+ $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
+ return $s;
}
private function _replcb($m){
+ //var_dump(array_map('htmlspecialchars', $m));
$this->done = false;
$this->nodes[] = (array) $m;
return "||". (count($this->nodes)-1) ."||";
$this->done = false;
while (!$this->done){
$this->done=true;
- $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*){{ *end\1 *}}|', array($this, "_replcb"), $s);
+ $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s);
+ if ($s==Null) $this->_preg_error();
}
+ //({{ *else *}}[^{]*)?
krsort($this->nodes);
return $s;
}
+
+ private function var_replace($s){
+ $m = array();
+ /** regexp:
+ * \$ literal $
+ * (\[)? optional open square bracket
+ * ([a-zA-Z0-9-_]+\.?)+ var name, followed by optional
+ * dot, repeated at least 1 time
+ * (?(1)\]) if there was opened square bracket
+ * (subgrup 1), match close bracket
+ */
+ if (preg_match_all('/\$(\[)?([a-zA-Z0-9-_]+\.?)+(?(1)\])/', $s,$m)){
+
+ foreach($m[0] as $var){
+ $varn = str_replace(array("[","]"), array("",""), $var);
+ $val = $this->_get_var($varn, true);
+ if ($val!=KEY_NOT_EXISTS)
+ $s = str_replace($var, $val, $s);
+ }
+ }
+
+ 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,$this->replace,$s);
+ if ($s==Null) $this->_preg_error();
- 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 = $this->var_replace($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);
+
+
+
+}
projects / friendica.git / blobdiff