X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=include%2Ftemplate_processor.php;h=27271e2edbded66d9166af2b92203de46e72a95d;hb=05a13a99b2c89db5d01e205301888a8a5c90108a;hp=8671587fc4b48d57d60934cfd350c89aef2f00aa;hpb=685686b3e81e53264b4946f54904e8f5323da2ea;p=friendica.git diff --git a/include/template_processor.php b/include/template_processor.php old mode 100755 new mode 100644 index 8671587fc4..27271e2edb --- a/include/template_processor.php +++ b/include/template_processor.php @@ -1,223 +1,309 @@
"; - debug_print_backtrace(); - die(); - } - - - private function _push_stack(){ - $this->stack[] = array($this->r, $this->nodes); +/* + * This is the old template engine, now deprecated. + * Friendica's default template engine is Smarty3 (see include/friendica_smarty.php) + * + */ +require_once 'object/TemplateEngine.php'; + +define("KEY_NOT_EXISTS", '^R_key_not_Exists^'); + +class Template implements ITemplateEngine { + static $name ="internal"; + + 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 ""; + 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 <$var>==}}...[{{ else }} ...]{{ endif }} + * {{ if <$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>== }}...[{{ else }} ...]{{ endif }} - * {{ if <$var>!= }}...[{{ else }} ...]{{ endif }} - */ - private function _replcb_if($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) = 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 ", $args[2])); - list($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 = $this->_get_var($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; - $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 [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; - } + 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 = ""; - } - $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s); - return $s; + /** + * INC node + * + * {{ inc [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]); + $newctx = null; } - - private function _replcb($m){ - //var_dump(array_map('htmlspecialchars', $m)); - $this->done = false; - $this->nodes[] = (array) $m; - return "||". (count($this->nodes)-1) ."||"; + + 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 _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; + $this->nodes = Array(); + $tpl = get_markup_template($tplfile); + $ret = $this->replace($tpl, $r); + $this->_pop_stack(); + return $ret; + } + + /** + * DEBUG node + * + * {{ debug $var [$var [$var [...]]] }}{{ enddebug }} + * + * replace node with var_dump($var, $var, ...);+ */ + private function _replcb_debug($args) { + $vars = array_map('trim', explode(" ", $args[2])); + $vars[] = $args[1]; + + $ret = ""; + foreach ($vars as $var) { + $ret .= htmlspecialchars(var_export($this->_get_var($var), true)); + $ret .= "\n"; } - - - private function var_replace($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; + $ret .= ""; + 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 { + $s = ""; } - - public function replace($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); - } - return template_unescape($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) + $this->_preg_error(); } + //({{ *else *}}[^{]*)? + krsort($this->nodes); + return $s; } - - $t = new Template; + private function var_replace($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 $s; + } + // TemplateEngine interface + public function replace_macros($s, $r) { + $this->r = $r; -function template_escape($s) { + // remove comments block + $s = preg_replace('/{#(.*?\s*?)*?#}/', "", $s); - return str_replace(array('$','{{'),array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),$s); + $s = $this->_build_nodes($s); + $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s); + if ($s == Null) + $this->_preg_error(); + // 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($s); + } + + public function get_template_file($file, $root='') { + $a = get_app(); + $template_file = get_template_file($a, $file, $root); + $content = file_get_contents($template_file); + return $content; + } + } -function template_unescape($s) { - 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); } +