* API: added version information to each module (available via api.php?version command)
[lhc/web/wiklou.git] / includes / api / ApiMain.php
index e31c879..0a55346 100644 (file)
-<?php\r
-\r
-\r
-/*\r
- * Created on Sep 4, 2006\r
- *\r
- * API for MediaWiki 1.8+\r
- *\r
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>\r
- *\r
- * This program is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License along\r
- * with this program; if not, write to the Free Software Foundation, Inc.,\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\r
- * http://www.gnu.org/copyleft/gpl.html\r
- */\r
-\r
-if (!defined('MEDIAWIKI')) {\r
-       // Eclipse helper - will be ignored in production\r
-       require_once ("ApiBase.php");\r
-}\r
-\r
-/**\r
-* @desc This exception will be thrown when DieUsage is called to stop module execution.\r
-*/\r
-class UsageException extends Exception {\r
-\r
-       private $codestr;\r
-\r
-       public function __construct($message, $codestr) {\r
-               parent :: __construct($message);\r
-               $this->codestr = $codestr;\r
-       }\r
-       public function __toString() {\r
-               return "{$this->codestr}: {$this->message}";\r
-       }\r
-}\r
-\r
-class ApiMain extends ApiBase {\r
-\r
-       private $mPrinter, $mModules, $mModuleNames, $mFormats, $mFormatNames, $mApiStartTime, $mResult;\r
-\r
-       /**\r
-       * Constructor\r
-       * $apiStartTime - time of the originating call for profiling purposes\r
-       * $modules - an array of actions (keys) and classes that handle them (values) \r
-       */\r
-       public function __construct($apiStartTime, $modules, $formats) {\r
-               // Special handling for the main module: $parent === $this\r
-               parent :: __construct($this);\r
-\r
-               $this->mModules = $modules;\r
-               $this->mModuleNames = array_keys($modules);\r
-               $this->mFormats = $formats;\r
-               $this->mFormatNames = array_keys($formats);\r
-               $this->mApiStartTime = $apiStartTime;\r
-               $this->mResult = new ApiResult($this);\r
-       }\r
-\r
-       public function GetResult() {\r
-               return $this->mResult;\r
-       }\r
-\r
-       protected function GetAllowedParams() {\r
-               return array (\r
-                       'format' => array (\r
-                               GN_ENUM_DFLT => API_DEFAULT_FORMAT,\r
-                               GN_ENUM_TYPE => $this->mFormatNames\r
-                       ),\r
-                       'action' => array (\r
-                               GN_ENUM_DFLT => 'help',\r
-                               GN_ENUM_TYPE => $this->mModuleNames\r
-                       )\r
-               );\r
-       }\r
-\r
-       protected function GetParamDescription() {\r
-               return array (\r
-                       'format' => 'The format of the output',\r
-                       'action' => 'What action you would like to perform'\r
-               );\r
-       }\r
-\r
-       public function Execute() {\r
-               $action = $format = null;\r
-               try {\r
-                       extract($this->ExtractRequestParams());\r
-\r
-                       // Create an appropriate printer\r
-                       $this->mPrinter = new $this->mFormats[$format] ($this, $format);\r
-\r
-                       // Instantiate and execute module requested by the user\r
-                       $module = new $this->mModules[$action] ($this, $action);\r
-                       $module->Execute();\r
-                       $this->PrintResult(false);\r
-               } catch (UsageException $e) {\r
-                       // Printer may not be initialized if the ExtractRequestParams() fails for the main module\r
-                       if (!isset ($this->mPrinter))\r
-                               $this->mPrinter = new $this->mFormats[API_DEFAULT_FORMAT] ($this, API_DEFAULT_FORMAT);\r
-                       $this->PrintResult(true);\r
-               }\r
-       }\r
-\r
-       /**\r
-        * Internal printer\r
-        */\r
-       private function PrintResult($isError) {\r
-               $this->mPrinter->InitPrinter($isError);\r
-               if (!$this->mPrinter->GetNeedsRawData())\r
-                       $this->GetResult()->SanitizeData();\r
-               $this->mPrinter->Execute();\r
-               $this->mPrinter->ClosePrinter();\r
-       }\r
-\r
-       protected function GetDescription() {\r
-               return array (\r
-                       '',\r
-                       'This API allows programs to access various functions of MediaWiki software.',\r
-                       ''\r
-               );\r
-       }\r
-\r
-       public function MainDieUsage($description, $errorCode, $httpRespCode = 0) {\r
-               $this->mResult->Reset();\r
-               $this->mResult->addMessage('error', null, $errorCode);\r
-               if ($httpRespCode === 0)\r
-                       header($errorCode, true);\r
-               else\r
-                       header($errorCode, true, $httpRespCode);\r
-\r
-               $this->mResult->addMessage('usage', null, $this->MakeHelpMsg());\r
-\r
-               throw new UsageException($description, $errorCode);\r
-       }\r
-\r
-       /**\r
-        * Override the parent to generate help messages for all available modules.\r
-        */\r
-       public function MakeHelpMsg() {\r
-\r
-               // Use parent to make default message for the main module\r
-               $msg = parent :: MakeHelpMsg();\r
-\r
-               $astriks = str_repeat('*** ', 10);\r
-               $msg .= "\n\n$astriks Modules  $astriks\n\n";\r
-               foreach ($this->mModules as $moduleName => $moduleClass) {\r
-                       $msg .= "* action=$moduleName *";\r
-                       $module = new $this->mModules[$moduleName] ($this, $moduleName);\r
-                       $msg2 = $module->MakeHelpMsg();\r
-                       if ($msg2 !== false)\r
-                               $msg .= $msg2;\r
-                       $msg .= "\n";\r
-               }\r
-\r
-               $msg .= "\n$astriks Formats  $astriks\n\n";\r
-               foreach ($this->mFormats as $moduleName => $moduleClass) {\r
-                       $msg .= "* format=$moduleName *";\r
-                       $module = new $this->mFormats[$moduleName] ($this, $moduleName);\r
-                       $msg2 = $module->MakeHelpMsg();\r
-                       if ($msg2 !== false)\r
-                               $msg .= $msg2;\r
-                       $msg .= "\n";\r
-               }\r
-\r
-               return $msg;\r
-       }\r
-\r
-       private $mIsBot = null;\r
-       public function IsBot() {\r
-               if (!isset ($this->mIsBot)) {\r
-                       global $wgUser;\r
-                       $this->mIsBot = $wgUser->isAllowed('bot');\r
-               }\r
-               return $this->mIsBot;\r
-       }\r
-}\r
+<?php
+
+
+/*
+ * Created on Sep 4, 2006
+ *
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
+ *
+ * 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 of the License, 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.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+if (!defined('MEDIAWIKI')) {
+       // Eclipse helper - will be ignored in production
+       require_once ('ApiBase.php');
+}
+
+class ApiMain extends ApiBase {
+
+       private $mPrinter, $mModules, $mModuleNames, $mFormats, $mFormatNames, $mApiStartTime, $mResult, $mShowVersions;
+
+       /**
+       * Constructor
+       * $apiStartTime - time of the originating call for profiling purposes
+       * $modules - an array of actions (keys) and classes that handle them (values) 
+       */
+       public function __construct($apiStartTime, $modules, $formats) {
+               // Special handling for the main module: $parent === $this
+               parent :: __construct($this);
+
+               $this->mModules = $modules;
+               $this->mModuleNames = array_keys($modules);
+               $this->mFormats = $formats;
+               $this->mFormatNames = array_keys($formats);
+               $this->mApiStartTime = $apiStartTime;
+               $this->mResult = new ApiResult($this);
+               $this->mShowVersions = false;
+       }
+
+       public function & getResult() {
+               return $this->mResult;
+       }
+
+       public function getShowVersions() {
+               return $this->mShowVersions;
+       }
+
+       protected function getAllowedParams() {
+               return array (
+                       'format' => array (
+                               ApiBase :: PARAM_DFLT => API_DEFAULT_FORMAT,
+                               ApiBase :: PARAM_TYPE => $this->mFormatNames
+                       ),
+                       'action' => array (
+                               ApiBase :: PARAM_DFLT => 'help',
+                               ApiBase :: PARAM_TYPE => $this->mModuleNames
+                       ),
+                       'version' => false
+               );
+       }
+
+       protected function getParamDescription() {
+               return array (
+                       'format' => 'The format of the output',
+                       'action' => 'What action you would like to perform',
+                       'version' => 'When showing help, include version for each module'
+               );
+       }
+
+       public function execute() {
+               $this->profileIn();
+               $action = $format = $version = null;
+               try {
+                       extract($this->extractRequestParams());
+                       $this->mShowVersions = $version;
+
+                       // Create an appropriate printer
+                       $this->mPrinter = new $this->mFormats[$format] ($this, $format);
+
+                       // Instantiate and execute module requested by the user
+                       $module = new $this->mModules[$action] ($this, $action);
+                       $module->profileIn();
+                       $module->execute();
+                       $module->profileOut();
+                       $this->printResult(false);
+
+               } catch (UsageException $e) {
+
+                       // Printer may not be initialized if the extractRequestParams() fails for the main module
+                       if (!isset ($this->mPrinter))
+                               $this->mPrinter = new $this->mFormats[API_DEFAULT_FORMAT] ($this, API_DEFAULT_FORMAT);
+                       $this->printResult(true);
+
+               }
+               $this->profileOut();
+       }
+
+       /**
+        * Internal printer
+        */
+       private function printResult($isError) {
+               $printer = $this->mPrinter;
+               $printer->profileIn();
+               $printer->initPrinter($isError);
+               if (!$printer->getNeedsRawData())
+                       $this->getResult()->SanitizeData();
+               $printer->execute();
+               $printer->closePrinter();
+               $printer->profileOut();
+       }
+
+       protected function getDescription() {
+               return array (
+                       '',
+                       'This API allows programs to access various functions of MediaWiki software.',
+                       'For more details see API Home Page @ http://meta.wikimedia.org/wiki/API',
+                       ''
+               );
+       }
+
+       public function mainDieUsage($description, $errorCode, $httpRespCode = 0) {
+               $this->mResult->Reset();
+               if ($httpRespCode === 0)
+                       header($errorCode, true);
+               else
+                       header($errorCode, true, $httpRespCode);
+
+               $data = array (
+                       'code' => $errorCode
+               );
+               ApiResult :: setContent($data, $this->makeHelpMsg());
+               $this->mResult->addValue(null, 'error', $data);
+
+               throw new UsageException($description, $errorCode);
+       }
+
+       /**
+        * Override the parent to generate help messages for all available modules.
+        */
+       public function makeHelpMsg() {
+
+               // Use parent to make default message for the main module
+               $msg = parent :: makeHelpMsg();
+
+               $astriks = str_repeat('*** ', 10);
+               $msg .= "\n\n$astriks Modules  $astriks\n\n";
+               foreach ($this->mModules as $moduleName => $moduleClass) {
+                       $msg .= "* action=$moduleName *";
+                       $module = new $this->mModules[$moduleName] ($this, $moduleName);
+                       $msg2 = $module->makeHelpMsg();
+                       if ($msg2 !== false)
+                               $msg .= $msg2;
+                       $msg .= "\n";
+               }
+
+               $msg .= "\n$astriks Formats  $astriks\n\n";
+               foreach ($this->mFormats as $moduleName => $moduleClass) {
+                       $msg .= "* format=$moduleName *";
+                       $module = new $this->mFormats[$moduleName] ($this, $moduleName);
+                       $msg2 = $module->makeHelpMsg();
+                       if ($msg2 !== false)
+                               $msg .= $msg2;
+                       $msg .= "\n";
+               }
+
+               return $msg;
+       }
+
+       private $mIsBot = null;
+       public function isBot() {
+               if (!isset ($this->mIsBot)) {
+                       global $wgUser;
+                       $this->mIsBot = $wgUser->isAllowed('bot');
+               }
+               return $this->mIsBot;
+       }
+
+       public function getVersion() {
+
+               return array (
+               parent :: getVersion(), __CLASS__ . ': $Id$', ApiFormatBase :: getBaseVersion());
+       }
+}
+
+/**
+* @desc This exception will be thrown when dieUsage is called to stop module execution.
+*/
+class UsageException extends Exception {
+
+       private $codestr;
+
+       public function __construct($message, $codestr) {
+               parent :: __construct($message);
+               $this->codestr = $codestr;
+       }
+       public function __toString() {
+               return "{$this->codestr}: {$this->message}";
+       }
+}
 ?>
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