[Mapbender-commits] r9965 - trunk/mapbender/http/classes

[svn_mapbender at osgeo.org]

Author: armin11
Date: 2018-09-27 23:46:41 -0700 (Thu, 27 Sep 2018)
New Revision: 9965

Added:
   trunk/mapbender/http/classes/class_VersionSelector.php
Log:
Forgot class for php7 compatibility

Added: trunk/mapbender/http/classes/class_VersionSelector.php
===================================================================
--- trunk/mapbender/http/classes/class_VersionSelector.php	                        (rev 0)
+++ trunk/mapbender/http/classes/class_VersionSelector.php	2018-09-28 06:46:41 UTC (rev 9965)
@@ -0,0 +1,117 @@
+<?php
+
+/* 
+ *  Copyright (C) 2017 WhereGroup
+ * 
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * Description of class_VersionSelector
+ *
+ * @author Tobias Rieck tobias.rieck at benndorf.de
+ */
+class VersionSelector {
+    function __construct() {
+//            print "VersionSelector-Constructor<br />\n";
+	}
+
+	// provides the environment dependent classname for $ClassName
+	public static function GetVersioned($ClassName){
+            $phpversion = phpversion();
+
+            if (is_null($ClassName) | $ClassName === ""){
+                return ["", $phpversion];
+            }
+
+            if (strpos($phpversion, "5.") === 0) {
+                return ["Version5".$ClassName, "php5path", $phpversion];
+            }
+            else if (strpos($phpversion, "7.") === 0) {
+                return ["Version7".$ClassName, "php7path", $phpversion];
+            }
+	}
+	
+	// provides a new environment dependent object of class $ClassName
+	public static function GetVersionedInstance($ClassName){
+            $versioninfo = VersionSelector::GetVersioned($ClassName);
+            return new $versioninfo[0];
+	}
+	
+	// provides the environment dependent classname, if committed, the
+        // methodname and the call parameters of a static function call as input
+        // arrays for the php internal function call_user_func_array
+	// string parameters in $StaticCall have to be enclosed in single quotes
+        // and special characters to be escaped by backslash.
+	public static function GetParams($StaticCall){
+		
+            $exploded = explode("::", $StaticCall);
+            if (count($exploded) > 1) {
+            $classname = $exploded[0];
+            $classname = VersionSelector::GetVersioned($classname)[0];
+            $method = $exploded[1];
+            }
+            else {
+            $method = $exploded[0];
+            }
+
+            $params = preg_split('/\(/', $method, 2, PREG_SPLIT_DELIM_CAPTURE);
+            $params = trim($params[1]);
+            $params = substr($params, 0, strlen($params) - 1);
+
+            $method = explode("(", $method)[0];
+            $parameters = str_getcsv($params, ",", "'");
+            if (is_null($classname)) {
+                return array($method, $parameters);
+            }
+            else {
+                return array(array($classname, $method), $parameters);
+            }
+	}
+	
+	// provides the result of a static function call by calling the environment
+	// dependent class's static function with the given parameters
+	public static function GetStaticResult($StaticCall){
+            return call_user_func_array(VersionSelector::GetParams($StaticCall)[0], VersionSelector::GetParams($StaticCall)[1]);
+	}
+	
+	// the non-static version of GetParams. Probably only for development
+	// purposes
+	public function GetParamsForStatic($StaticCall){
+
+            $exploded = explode("::", $StaticCall);
+            if (count($exploded) > 1) {
+                $classname = $exploded[0];
+                $classname = VersionSelector::GetVersioned($classname)[0];
+                $method = $exploded[1];
+            }
+            else {
+                $method = $exploded[0];
+            }
+
+            $params = preg_split('/\(/', $method, 2, PREG_SPLIT_DELIM_CAPTURE);
+            $params = trim($params[1]);
+            $params = substr($params, 0, strlen($params) - 1);
+
+            $method = explode("(", $method)[0];
+            $parameters = str_getcsv($params, ",", "'");
+            if (is_null($classname)) {
+                return array($method, $parameters);
+            }
+            else {
+                return array(array($classname, $method), $parameters);
+            }
+	}
+}