<?php
- define ("KEY_NOT_EXISTS", '^R_key_not_Exists^');
-
- class Template {
- var $r;
- var $search;
- var $replace;
- var $stack = array();
- var $nodes = array();
- var $done = false;
- var $d = false;
- var $lang = null;
- var $debug=false;
-
- 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;
-// This is only valid for php > 5.3, not certain how to code around it for unit tests
-// 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->nodes);
+
+define("KEY_NOT_EXISTS", '^R_key_not_Exists^');
+
+class Template {
+
+ var $r;
+ var $search;
+ var $replace;
+ var $stack = array();
+ var $nodes = array();
+ var $done = false;
+ var $d = false;
+ var $lang = null;
+ var $debug = false;
+
+ private function _preg_error() {
+
+ switch (preg_last_error()) {
+ case PREG_INTERNAL_ERROR: echo('PREG_INTERNAL_ERROR');
+ break;
+ case PREG_BACKTRACK_LIMIT_ERROR: echo('PREG_BACKTRACK_LIMIT_ERROR');
+ break;
+ case PREG_RECURSION_LIMIT_ERROR: echo('PREG_RECURSION_LIMIT_ERROR');
+ break;
+ case PREG_BAD_UTF8_ERROR: echo('PREG_BAD_UTF8_ERROR');
+ break;
+// This is only valid for php > 5.3, not certain how to code around it for unit tests
+// case PREG_BAD_UTF8_OFFSET_ERROR: echo('PREG_BAD_UTF8_OFFSET_ERROR'); break;
+ default:
+ //die("Unknown preg error.");
+ return;
}
- private function _pop_stack(){
- list($this->r, $this->nodes) = array_pop($this->stack);
-
+ echo "<hr><pre>";
+ debug_print_backtrace();
+ die();
+ }
+
+ private function _push_stack() {
+ $this->stack[] = array($this->r, $this->nodes);
+ }
+
+ private function _pop_stack() {
+ list($this->r, $this->nodes) = array_pop($this->stack);
+ }
+
+ 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) {
+ $val = (isset($val[$k]) ? $val[$k] : null);
}
-
- 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) {
- $val = (isset($val[$k]) ? $val[$k] : null);
- }
- return $val;
+ return $val;
+ }
+
+ /**
+ * IF node
+ *
+ * {{ if <$var> }}...[{{ else }} ...] {{ endif }}
+ * {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
+ * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
+ */
+ private function _replcb_if($args) {
+ if (strpos($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) = array_map("trim", 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]);
}
-
- /**
- * IF node
- *
- * {{ if <$var> }}...[{{ else }} ...] {{ endif }}
- * {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }}
- * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }}
- */
- private function _replcb_if($args){
- 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) = array_map("trim", 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] : ""));
+ $x = preg_split("|{{ *else *}}|", $args[3]);
+ return ( $val ? $x[0] : (isset($x[1]) ? $x[1] : ""));
+ }
+
+ /**
+ * FOR node
+ *
+ * {{ for <$var> as $name }}...{{ endfor }}
+ * {{ for <$var> as $key=>$name }}...{{ endfor }}
+ */
+ private function _replcb_for($args) {
+ $m = array_map('trim', explode(" as ", $args[2]));
+ $x = explode("=>", $m[1]);
+ if (count($x) == 1) {
+ $varname = $x[0];
+ $keyname = "";
+ } else {
+ list($keyname, $varname) = $x;
}
-
- /**
- * FOR node
- *
- * {{ for <$var> as $name }}...{{ endfor }}
- * {{ for <$var> as $key=>$name }}...{{ endfor }}
- */
- private function _replcb_for($args){
- $m = array_map('trim', explode(" as ", $args[2]));
- $x = explode("=>",$m[1]);
- if (count($x) == 1) {
- $varname = $x[0];
- $keyname = "";
- } else {
- list($keyname, $varname) = $x;
- }
- if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ;
- //$vals = $this->r[$m[0]];
- $vals = $this->_get_var($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 === 0) ? '0' : $k);
- $ret .= $this->replace($args[3], $r);
- $this->_pop_stack();
- }
+ if ($m[0] == "" || $varname == "" || is_null($varname))
+ die("template error: 'for " . $m[0] . " as " . $varname . "'");
+ //$vals = $this->r[$m[0]];
+ $vals = $this->_get_var($m[0]);
+ $ret = "";
+ if (!is_array($vals))
return $ret;
- }
-
- /**
- * INC node
- *
- * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }}
- */
- private function _replcb_inc($args){
- if (strpos($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);
-
+ foreach ($vals as $k => $v) {
$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);
+ $r[$varname] = $v;
+ if ($keyname != '')
+ $r[$keyname] = (($k === 0) ? '0' : $k);
+ $ret .= $this->replace($args[3], $r);
$this->_pop_stack();
- return $ret;
-
}
-
- /**
- * DEBUG node
- *
- * {{ debug $var [$var [$var [...]]] }}{{ enddebug }}
- *
- * replace node with <pre>var_dump($var, $var, ...);</pre>
- */
- private function _replcb_debug($args){
- $vars = array_map('trim', explode(" ",$args[2]));
- $vars[] = $args[1];
-
- $ret = "<pre>";
- foreach ($vars as $var){
- $ret .= htmlspecialchars(var_export( $this->_get_var($var), true ));
- $ret .= "\n";
- }
- $ret .= "</pre>";
- return $ret;
+ return $ret;
+ }
+
+ /**
+ * INC node
+ *
+ * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }}
+ */
+ private function _replcb_inc($args) {
+ if (strpos($args[2], "with")) {
+ list($tplfile, $newctx) = array_map('trim', explode("with", $args[2]));
+ } else {
+ $tplfile = trim($args[2]);
+ $newctx = null;
}
- private function _replcb_node($m) {
- $node = $this->nodes[$m[1]];
- if (method_exists($this, "_replcb_".$node[1])){
- $s = call_user_func(array($this, "_replcb_".$node[1]), $node);
- } else {
- $s = "";
- }
- $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
- return $s;
+ if ($tplfile[0] == "$")
+ $tplfile = $this->_get_var($tplfile);
+
+ $this->_push_stack();
+ $r = $this->r;
+ if (!is_null($newctx)) {
+ list($a, $b) = array_map('trim', explode("=", $newctx));
+ $r[$a] = $this->_get_var($b);
}
-
- private function _replcb($m){
- //var_dump(array_map('htmlspecialchars', $m));
- $this->done = false;
- $this->nodes[] = (array) $m;
- return "||". (count($this->nodes)-1) ."||";
+ $this->nodes = Array();
+ $tpl = get_markup_template($tplfile);
+ $ret = $this->replace($tpl, $r);
+ $this->_pop_stack();
+ return $ret;
+ }
+
+ /**
+ * DEBUG node
+ *
+ * {{ debug $var [$var [$var [...]]] }}{{ enddebug }}
+ *
+ * replace node with <pre>var_dump($var, $var, ...);</pre>
+ */
+ private function _replcb_debug($args) {
+ $vars = array_map('trim', explode(" ", $args[2]));
+ $vars[] = $args[1];
+
+ $ret = "<pre>";
+ foreach ($vars as $var) {
+ $ret .= htmlspecialchars(var_export($this->_get_var($var), true));
+ $ret .= "\n";
}
-
- private function _build_nodes($s){
- $this->done = false;
- while (!$this->done){
- $this->done=true;
- $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s);
- if ($s==Null) $this->_preg_error();
- }
- //({{ *else *}}[^{]*)?
- krsort($this->nodes);
- return $s;
+ $ret .= "</pre>";
+ return $ret;
+ }
+
+ private function _replcb_node($m) {
+ $node = $this->nodes[$m[1]];
+ if (method_exists($this, "_replcb_" . $node[1])) {
+ $s = call_user_func(array($this, "_replcb_" . $node[1]), $node);
+ } else {
+ $s = "";
}
-
-
- private function var_replace($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;
+ $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($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) . "||";
+ }
+
+ private function _build_nodes($s) {
+ $this->done = false;
+ while (!$this->done) {
+ $this->done = true;
+ $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s);
+ if ($s == Null)
+ $this->_preg_error();
}
-
- public function replace($s, $r) {
- $this->r = $r;
-
- $s = $this->_build_nodes($s);
-
- $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
- if ($s==Null) $this->_preg_error();
-
- // 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);
+ //({{ *else *}}[^{]*)?
+ krsort($this->nodes);
+ return $s;
+ }
+
+ private function var_replace($s) {
+ $m = array();
+ /** regexp:
+ * \$ literal $
+ * (\[)? optional open square bracket
+ * ([a-zA-Z0-9-_]+\.?)+ var name, followed by optional
+ * dot, repeated at least 1 time
+ * (|[a-zA-Z0-9-_:]+)* pipe followed by filter name and args, zero or many
+ * (?(1)\]) if there was opened square bracket
+ * (subgrup 1), match close bracket
+ */
+ if (preg_match_all('/\$(\[)?([a-zA-Z0-9-_]+\.?)+(\|[a-zA-Z0-9-_:]+)*(?(1)\])/', $s, $m)) {
+ foreach ($m[0] as $var) {
+
+ $exp = str_replace(array("[", "]"), array("", ""), $var);
+ $exptks = explode("|", $exp);
+
+ $varn = $exptks[0];
+ unset($exptks[0]);
+ $val = $this->_get_var($varn, true);
+ if ($val != KEY_NOT_EXISTS) {
+ /* run filters */
+ /*
+ * Filter are in form of:
+ * filtername:arg:arg:arg
+ *
+ * "filtername" is function name
+ * "arg"s are optional, var value is appended to the end
+ * if one "arg"==='x' , is replaced with var value
+ *
+ * examples:
+ * $item.body|htmlspecialchars // escape html chars
+ * $item.body|htmlspecialchars|strtoupper // escape html and uppercase result
+ * $item.created|date:%Y %M %j // format date (created is a timestamp)
+ * $item.body|str_replace:cat:dog // replace all "cat" with "dog"
+ * $item.body|str_replace:cat:dog:x:1 // replace one "cat" with "dog"
+
+ */
+ foreach ($exptks as $filterstr) {
+ $filter = explode(":", $filterstr);
+ $filtername = $filter[0];
+ unset($filter[0]);
+ $valkey = array_search("x", $filter);
+ if ($valkey === false) {
+ $filter[] = $val;
+ } else {
+ $filter[$valkey] = $val;
+ }
+ if (function_exists($filtername)) {
+ $val = call_user_func_array($filtername, $filter);
+ }
+ }
+ $s = str_replace($var, $val, $s);
+ }
}
- return $s;
}
- }
-
- $t = new Template;
+ return $s;
+ }
+ public function replace($s, $r) {
+ $this->r = $r;
+ $s = $this->_build_nodes($s);
-function template_escape($s) {
+ $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s);
+ if ($s == Null)
+ $this->_preg_error();
- return str_replace(array('$','{{'),array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),$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 $s;
+ }
}
-function template_unescape($s) {
+$t = new Template;
- return str_replace(array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),array('$','{{'),$s);
+function template_escape($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 / commitdiff