Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
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137 lines
3.3 KiB
137 lines
3.3 KiB
<?php |
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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 $done = false; |
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private function _build_replace($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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$this->search[] = $prefix . $k; |
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$this->replace[] = $v; |
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} |
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} |
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} |
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private function _push_stack(){ |
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$this->stack[] = array($this->r, $this->search, $this->replace, $this->nodes); |
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} |
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private function _pop_stack(){ |
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list($this->r, $this->search, $this->replace, $this->nodes) = array_pop($this->stack); |
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} |
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private function _get_var($name){ |
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$keys = array_map('trim',explode(".",$name)); |
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$val = $this->r; |
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foreach($keys as $k) { |
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$val = $val[$k]; |
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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> }}...{{ endif }} |
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*/ |
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private function _replcb_if($args){ |
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$val = $this->_get_var($args[2]); |
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return ($val?$args[3]:""); |
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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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$ret=""; |
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if (!is_array($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($args){ |
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list($tplfile, $newctx) = array_map('trim', explode("with",$args[2])); |
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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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return call_user_func(array($this, "_replcb_".$node[1]), $node); |
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} else { |
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return ""; |
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} |
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} |
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private function _replcb($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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$s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*){{ *end\1 *}}|', array($this, "_replcb"), $s); |
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} |
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krsort($this->nodes); |
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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"), $s); |
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$s = str_replace($this->search,$this->replace, $s); |
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return $s; |
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} |
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} |
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$t = new Template;
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