-<?php\r
-\r
-\r
-/*\r
- * Created on Sep 5, 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
-// Multi-valued enums, limit the values user can supply for the parameter\r
-define('GN_ENUM_DFLT', 0);\r
-define('GN_ENUM_ISMULTI', 1);\r
-define('GN_ENUM_CHOICES', 2);\r
-\r
-abstract class ApiBase {\r
-\r
- private $mMainModule;\r
-\r
- /**\r
- * Constructor\r
- */\r
- public function __construct($mainModule) {\r
- $this->mMainModule = $mainModule;\r
- }\r
-\r
- /**\r
- * Executes this module\r
- */\r
- abstract function Execute();\r
-\r
- /**\r
- * Get main module\r
- */\r
- public function GetMain() {\r
- return $this->mMainModule;\r
- }\r
-\r
- /**\r
- * If this module's $this is the same as $this->mMainModule, its the root, otherwise no\r
- */\r
- public function IsMain() {\r
- return $this === $this->mMainModule;\r
- }\r
-\r
- /**\r
- * Get result object\r
- */\r
- public function GetResult() {\r
- // Main module has GetResult() method overriden\r
- // Safety - avoid infinite loop:\r
- if ($this->IsMain())\r
- $this->DieDebug(__METHOD__ .\r
- ' base method was called on main module. ');\r
- return $this->GetMain()->GetResult();\r
- }\r
-\r
- /**\r
- * Generates help message for this module, or false if there is no description\r
- */\r
- public function MakeHelpMsg() {\r
-\r
- $msg = $this->GetDescription();\r
-\r
- if ($msg !== false) {\r
-\r
- if (is_array($msg))\r
- $msg = implode("\n", $msg);\r
- $msg .= "\n";\r
-\r
- // Parameters\r
- $params = $this->GetAllowedParams();\r
- if ($params !== false) {\r
- $paramsDescription = $this->GetParamDescription();\r
- $msg .= "Supported Parameters:\n";\r
- foreach (array_keys($params) as $paramName) {\r
- $desc = isset ($paramsDescription[$paramName]) ? $paramsDescription[$paramName] : '';\r
- $msg .= sprintf(" %-14s - %s\n", $paramName, $desc);\r
- }\r
- }\r
-\r
- // Examples\r
- $examples = $this->GetExamples();\r
- if ($examples !== false) {\r
- if (is_array($examples)) {\r
- $msg .= "Examples:\n";\r
- $msg .= implode("\n ", $examples) . "\n";\r
- } else {\r
- $msg .= "Example: $examples\n";\r
- }\r
- }\r
- }\r
-\r
- return $msg;\r
- }\r
-\r
- /**\r
- * Returns the description string for this module\r
- */\r
- protected function GetDescription() {\r
- return false;\r
- }\r
-\r
- /**\r
- * Returns usage examples for this module. Return null if no examples are available.\r
- */\r
- protected function GetExamples() {\r
- return false;\r
- }\r
-\r
- /**\r
- * Returns an array of allowed parameters (keys) => default value for that parameter\r
- */\r
- protected function GetAllowedParams() {\r
- return false;\r
- }\r
-\r
- /**\r
- * Returns the description string for the given parameter.\r
- */\r
- protected function GetParamDescription() {\r
- return false;\r
- }\r
-\r
- /**\r
- * Using GetAllowedParams(), makes an array of the values provided by the user,\r
- * with key being the name of the variable, and value - validated value from user or default.\r
- * This method can be used to generate local variables using extract().\r
- */\r
- public function ExtractRequestParams() {\r
- global $wgRequest;\r
-\r
- $params = $this->GetAllowedParams();\r
- $results = array ();\r
-\r
- foreach ($params as $param => $dflt) {\r
- switch (gettype($dflt)) {\r
- case 'NULL' :\r
- case 'string' :\r
- $result = $wgRequest->getVal($param, $dflt);\r
- break;\r
- case 'integer' :\r
- $result = $wgRequest->getInt($param, $dflt);\r
- break;\r
- case 'boolean' :\r
- // Having a default value of 'true' is pointless\r
- $result = $wgRequest->getCheck($param);\r
- break;\r
- case 'array' :\r
- $enumParams = $dflt;\r
- $dflt = isset ($enumParams[GN_ENUM_DFLT]) ? $enumParams[GN_ENUM_DFLT] : null;\r
- $multi = isset ($enumParams[GN_ENUM_ISMULTI]) ? $enumParams[GN_ENUM_ISMULTI] : false;\r
- $choices = isset ($enumParams[GN_ENUM_CHOICES]) ? $enumParams[GN_ENUM_CHOICES] : null;\r
- $value = $wgRequest->getVal($param, $dflt);\r
- $result = $this->ParseMultiValue($param, $value, $multi, $choices);\r
- break;\r
- default :\r
- $this->DieDebug("In '$param', unprocessed type " . gettype($dflt));\r
- }\r
- $results[$param] = $result;\r
- }\r
-\r
- return $results;\r
- }\r
-\r
- /**\r
- * Return an array of values that were given in a "a|b|c" notation,\r
- * after it optionally validates them against the list allowed values.\r
- * \r
- * @param valueName - The name of the parameter (for error reporting)\r
- * @param value - The value being parsed\r
- * @param allowMultiple - Can $value contain more than one value separated by '|'?\r
- * @param allowedValues - An array of values to check against. If null, all values are accepted.\r
- * @return (allowMultiple ? an_array_of_values : a_single_value) \r
- */\r
- protected function ParseMultiValue($valueName, $value, $allowMultiple, $allowedValues) {\r
- $valuesList = explode('|', $value);\r
- if (!$allowMultiple && count($valuesList) != 1) {\r
- $possibleValues = is_array($allowedValues) ? "of '" . implode("', '", $allowedValues) . "'" : '';\r
- $this->DieUsage("Only one $possibleValues is allowed for parameter '$valueName'", "multival_$valueName");\r
- }\r
- if (is_array($allowedValues)) {\r
- $unknownValues = array_diff($valuesList, $allowedValues);\r
- if ($unknownValues) {\r
- $this->DieUsage("Unrecognised value" . (count($unknownValues) > 1 ? "s '" : " '") . implode("', '", $unknownValues) . "' for parameter '$valueName'", "unknown_$valueName");\r
- }\r
- }\r
-\r
- return $allowMultiple ? $valuesList : $valuesList[0];\r
- }\r
-\r
- /**\r
- * Call main module's error handler \r
- */\r
- public function DieUsage($description, $errorCode, $httpRespCode = 0) {\r
- $this->GetMain()->MainDieUsage($description, $errorCode, $httpRespCode);\r
- }\r
-\r
- protected function DieDebug($message) {\r
- wfDebugDieBacktrace("Internal error in '{get_class($this)}': $message");\r
- }\r
-}\r
-?>
\ No newline at end of file
+<?php
+
+/*
+ * Created on Sep 5, 2006
+ *
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@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
+ */
+
+/**
+ * This abstract class implements many basic API functions, and is the base of all API classes.
+ * The class functions are divided into several areas of functionality:
+ *
+ * Module parameters: Derived classes can define getAllowedParams() to specify which parameters to expect,
+ * how to parse and validate them.
+ *
+ * Profiling: various methods to allow keeping tabs on various tasks and their time costs
+ *
+ * Self-documentation: code to allow api to document its own state.
+ *
+ * @addtogroup API
+ */
+abstract class ApiBase {
+
+ // These constants allow modules to specify exactly how to treat incomming parameters.
+
+ const PARAM_DFLT = 0;
+ const PARAM_ISMULTI = 1;
+ const PARAM_TYPE = 2;
+ const PARAM_MAX = 3;
+ const PARAM_MAX2 = 4;
+ const PARAM_MIN = 5;
+
+ const LIMIT_BIG1 = 500; // Fast query, std user limit
+ const LIMIT_BIG2 = 5000; // Fast query, bot/sysop limit
+ const LIMIT_SML1 = 50; // Slow query, std user limit
+ const LIMIT_SML2 = 500; // Slow query, bot/sysop limit
+
+ private $mMainModule, $mModuleName, $mParamPrefix;
+
+ /**
+ * Constructor
+ */
+ public function __construct($mainModule, $moduleName, $paramPrefix = '') {
+ $this->mMainModule = $mainModule;
+ $this->mModuleName = $moduleName;
+ $this->mParamPrefix = $paramPrefix;
+ }
+
+ /**
+ * Executes this module
+ */
+ public abstract function execute();
+
+ /**
+ * Get the name of the module being executed by this instance
+ */
+ public function getModuleName() {
+ return $this->mModuleName;
+ }
+
+ /**
+ * Get parameter prefix (usually two letters or an empty string).
+ */
+ public function getParamPrefix() {
+ return $this->mParamPrefix;
+ }
+
+ /**
+ * Get the name of the module as shown in the profiler log
+ */
+ public function getModuleProfileName($db = false) {
+ if ($db)
+ return 'API:' . $this->mModuleName . '-DB';
+ else
+ return 'API:' . $this->mModuleName;
+ }
+
+ /**
+ * Get main module
+ */
+ public function getMain() {
+ return $this->mMainModule;
+ }
+
+ /**
+ * If this module's $this is the same as $this->mMainModule, its the root, otherwise no
+ */
+ public function isMain() {
+ return $this === $this->mMainModule;
+ }
+
+ /**
+ * Get result object
+ */
+ public function getResult() {
+ // Main module has getResult() method overriden
+ // Safety - avoid infinite loop:
+ if ($this->isMain())
+ ApiBase :: dieDebug(__METHOD__, 'base method was called on main module. ');
+ return $this->getMain()->getResult();
+ }
+
+ /**
+ * Get the result data array
+ */
+ public function & getResultData() {
+ return $this->getResult()->getData();
+ }
+
+ /**
+ * If the module may only be used with a certain format module,
+ * it should override this method to return an instance of that formatter.
+ * A value of null means the default format will be used.
+ */
+ public function getCustomPrinter() {
+ return null;
+ }
+
+ /**
+ * Generates help message for this module, or false if there is no description
+ */
+ public function makeHelpMsg() {
+
+ static $lnPrfx = "\n ";
+
+ $msg = $this->getDescription();
+
+ if ($msg !== false) {
+
+ if (!is_array($msg))
+ $msg = array (
+ $msg
+ );
+ $msg = $lnPrfx . implode($lnPrfx, $msg) . "\n";
+
+ // Parameters
+ $paramsMsg = $this->makeHelpMsgParameters();
+ if ($paramsMsg !== false) {
+ $msg .= "Parameters:\n$paramsMsg";
+ }
+
+ // Examples
+ $examples = $this->getExamples();
+ if ($examples !== false) {
+ if (!is_array($examples))
+ $examples = array (
+ $examples
+ );
+ $msg .= 'Example' . (count($examples) > 1 ? 's' : '') . ":\n ";
+ $msg .= implode($lnPrfx, $examples) . "\n";
+ }
+
+ if ($this->getMain()->getShowVersions()) {
+ $versions = $this->getVersion();
+ $pattern = '(\$.*) ([0-9a-z_]+\.php) (.*\$)';
+ $replacement = '\\0' . "\n " . 'http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/api/\\2';
+
+ if (is_array($versions)) {
+ foreach ($versions as &$v)
+ $v = eregi_replace($pattern, $replacement, $v);
+ $versions = implode("\n ", $versions);
+ }
+ else
+ $versions = eregi_replace($pattern, $replacement, $versions);
+
+ $msg .= "Version:\n $versions\n";
+ }
+ }
+
+ return $msg;
+ }
+
+ public function makeHelpMsgParameters() {
+ $params = $this->getAllowedParams();
+ if ($params !== false) {
+
+ $paramsDescription = $this->getParamDescription();
+ $msg = '';
+ $paramPrefix = "\n" . str_repeat(' ', 19);
+ foreach ($params as $paramName => $paramSettings) {
+ $desc = isset ($paramsDescription[$paramName]) ? $paramsDescription[$paramName] : '';
+ if (is_array($desc))
+ $desc = implode($paramPrefix, $desc);
+
+ @ $type = $paramSettings[self :: PARAM_TYPE];
+ if (isset ($type)) {
+ if (isset ($paramSettings[self :: PARAM_ISMULTI]))
+ $prompt = 'Values (separate with \'|\'): ';
+ else
+ $prompt = 'One value: ';
+
+ if (is_array($type)) {
+ $choices = array();
+ $nothingPrompt = false;
+ foreach ($type as $t)
+ if ($t=='')
+ $nothingPrompt = 'Can be empty, or ';
+ else
+ $choices[] = $t;
+ $desc .= $paramPrefix . $nothingPrompt . $prompt . implode(', ', $choices);
+ } else {
+ switch ($type) {
+ case 'namespace':
+ // Special handling because namespaces are type-limited, yet they are not given
+ $desc .= $paramPrefix . $prompt . implode(', ', ApiBase :: getValidNamespaces());
+ break;
+ case 'limit':
+ $desc .= $paramPrefix . "No more than {$paramSettings[self :: PARAM_MAX]} ({$paramSettings[self :: PARAM_MAX2]} for bots) allowed.";
+ break;
+ case 'integer':
+ $hasMin = isset($paramSettings[self :: PARAM_MIN]);
+ $hasMax = isset($paramSettings[self :: PARAM_MAX]);
+ if ($hasMin || $hasMax) {
+ if (!$hasMax)
+ $intRangeStr = "The value must be no less than {$paramSettings[self :: PARAM_MIN]}";
+ elseif (!$hasMin)
+ $intRangeStr = "The value must be no more than {$paramSettings[self :: PARAM_MAX]}";
+ else
+ $intRangeStr = "The value must be between {$paramSettings[self :: PARAM_MIN]} and {$paramSettings[self :: PARAM_MAX]}";
+
+ $desc .= $paramPrefix . $intRangeStr;
+ }
+ break;
+ }
+ }
+ }
+
+ $default = is_array($paramSettings) ? (isset ($paramSettings[self :: PARAM_DFLT]) ? $paramSettings[self :: PARAM_DFLT] : null) : $paramSettings;
+ if (!is_null($default) && $default !== false)
+ $desc .= $paramPrefix . "Default: $default";
+
+ $msg .= sprintf(" %-14s - %s\n", $this->encodeParamName($paramName), $desc);
+ }
+ return $msg;
+
+ } else
+ return false;
+ }
+
+ /**
+ * Returns the description string for this module
+ */
+ protected function getDescription() {
+ return false;
+ }
+
+ /**
+ * Returns usage examples for this module. Return null if no examples are available.
+ */
+ protected function getExamples() {
+ return false;
+ }
+
+ /**
+ * Returns an array of allowed parameters (keys) => default value for that parameter
+ */
+ protected function getAllowedParams() {
+ return false;
+ }
+
+ /**
+ * Returns the description string for the given parameter.
+ */
+ protected function getParamDescription() {
+ return false;
+ }
+
+ /**
+ * This method mangles parameter name based on the prefix supplied to the constructor.
+ * Override this method to change parameter name during runtime
+ */
+ public function encodeParamName($paramName) {
+ return $this->mParamPrefix . $paramName;
+ }
+
+ /**
+ * Using getAllowedParams(), makes an array of the values provided by the user,
+ * with key being the name of the variable, and value - validated value from user or default.
+ * This method can be used to generate local variables using extract().
+ */
+ public function extractRequestParams() {
+ $params = $this->getAllowedParams();
+ $results = array ();
+
+ foreach ($params as $paramName => $paramSettings)
+ $results[$paramName] = $this->getParameterFromSettings($paramName, $paramSettings);
+
+ return $results;
+ }
+
+ /**
+ * Get a value for the given parameter
+ */
+ protected function getParameter($paramName) {
+ $params = $this->getAllowedParams();
+ $paramSettings = $params[$paramName];
+ return $this->getParameterFromSettings($paramName, $paramSettings);
+ }
+
+ public static function getValidNamespaces() {
+ static $mValidNamespaces = null;
+ if (is_null($mValidNamespaces)) {
+
+ global $wgContLang;
+ $mValidNamespaces = array ();
+ foreach (array_keys($wgContLang->getNamespaces()) as $ns) {
+ if ($ns >= 0)
+ $mValidNamespaces[] = $ns;
+ }
+ }
+ return $mValidNamespaces;
+ }
+
+ /**
+ * Using the settings determine the value for the given parameter
+ * @param $paramName String: parameter name
+ * @param $paramSettings Mixed: default value or an array of settings using PARAM_* constants.
+ */
+ protected function getParameterFromSettings($paramName, $paramSettings) {
+
+ // Some classes may decide to change parameter names
+ $paramName = $this->encodeParamName($paramName);
+
+ if (!is_array($paramSettings)) {
+ $default = $paramSettings;
+ $multi = false;
+ $type = gettype($paramSettings);
+ } else {
+ $default = isset ($paramSettings[self :: PARAM_DFLT]) ? $paramSettings[self :: PARAM_DFLT] : null;
+ $multi = isset ($paramSettings[self :: PARAM_ISMULTI]) ? $paramSettings[self :: PARAM_ISMULTI] : false;
+ $type = isset ($paramSettings[self :: PARAM_TYPE]) ? $paramSettings[self :: PARAM_TYPE] : null;
+
+ // When type is not given, and no choices, the type is the same as $default
+ if (!isset ($type)) {
+ if (isset ($default))
+ $type = gettype($default);
+ else
+ $type = 'NULL'; // allow everything
+ }
+ }
+
+ if ($type == 'boolean') {
+ if (isset ($default) && $default !== false) {
+ // Having a default value of anything other than 'false' is pointless
+ ApiBase :: dieDebug(__METHOD__, "Boolean param $paramName's default is set to '$default'");
+ }
+
+ $value = $this->getMain()->getRequest()->getCheck($paramName);
+ } else {
+ $value = $this->getMain()->getRequest()->getVal($paramName, $default);
+
+ if (isset ($value) && $type == 'namespace')
+ $type = ApiBase :: getValidNamespaces();
+ }
+
+ if (isset ($value) && ($multi || is_array($type)))
+ $value = $this->parseMultiValue($paramName, $value, $multi, is_array($type) ? $type : null);
+
+ // More validation only when choices were not given
+ // choices were validated in parseMultiValue()
+ if (isset ($value)) {
+ if (!is_array($type)) {
+ switch ($type) {
+ case 'NULL' : // nothing to do
+ break;
+ case 'string' : // nothing to do
+ break;
+ case 'integer' : // Force everything using intval() and optionally validate limits
+
+ $value = is_array($value) ? array_map('intval', $value) : intval($value);
+ $checkMin = isset ($paramSettings[self :: PARAM_MIN]);
+ $checkMax = isset ($paramSettings[self :: PARAM_MAX]);
+
+ if ($checkMin || $checkMax) {
+ $min = $checkMin ? $paramSettings[self :: PARAM_MIN] : false;
+ $max = $checkMax ? $paramSettings[self :: PARAM_MAX] : false;
+
+ $values = is_array($value) ? $value : array($value);
+ foreach ($values as $v) {
+ if ($checkMin && $v < $min)
+ $this->dieUsage("$paramName may not be less than $min (set to $v)", $paramName);
+ if ($checkMax && $v > $max)
+ $this->dieUsage("$paramName may not be over $max (set to $v)", $paramName);
+ }
+ }
+ break;
+ case 'limit' :
+ if (!isset ($paramSettings[self :: PARAM_MAX]) || !isset ($paramSettings[self :: PARAM_MAX2]))
+ ApiBase :: dieDebug(__METHOD__, "MAX1 or MAX2 are not defined for the limit $paramName");
+ if ($multi)
+ ApiBase :: dieDebug(__METHOD__, "Multi-values not supported for $paramName");
+ $min = isset ($paramSettings[self :: PARAM_MIN]) ? $paramSettings[self :: PARAM_MIN] : 0;
+ $value = intval($value);
+ $this->validateLimit($paramName, $value, $min, $paramSettings[self :: PARAM_MAX], $paramSettings[self :: PARAM_MAX2]);
+ break;
+ case 'boolean' :
+ if ($multi)
+ ApiBase :: dieDebug(__METHOD__, "Multi-values not supported for $paramName");
+ break;
+ case 'timestamp' :
+ if ($multi)
+ ApiBase :: dieDebug(__METHOD__, "Multi-values not supported for $paramName");
+ $value = wfTimestamp(TS_UNIX, $value);
+ if ($value === 0)
+ $this->dieUsage("Invalid value '$value' for timestamp parameter $paramName", "badtimestamp_{$paramName}");
+ $value = wfTimestamp(TS_MW, $value);
+ break;
+ case 'user' :
+ $title = Title::makeTitleSafe( NS_USER, $value );
+ if ( is_null( $title ) )
+ $this->dieUsage("Invalid value $user for user parameter $paramName", "baduser_{$paramName}");
+ $value = $title->getText();
+ break;
+ default :
+ ApiBase :: dieDebug(__METHOD__, "Param $paramName's type is unknown - $type");
+ }
+ }
+
+ // There should never be any duplicate values in a list
+ if (is_array($value))
+ $value = array_unique($value);
+ }
+
+ return $value;
+ }
+
+ /**
+ * Return an array of values that were given in a 'a|b|c' notation,
+ * after it optionally validates them against the list allowed values.
+ *
+ * @param valueName - The name of the parameter (for error reporting)
+ * @param value - The value being parsed
+ * @param allowMultiple - Can $value contain more than one value separated by '|'?
+ * @param allowedValues - An array of values to check against. If null, all values are accepted.
+ * @return (allowMultiple ? an_array_of_values : a_single_value)
+ */
+ protected function parseMultiValue($valueName, $value, $allowMultiple, $allowedValues) {
+ $valuesList = explode('|', $value);
+ if (!$allowMultiple && count($valuesList) != 1) {
+ $possibleValues = is_array($allowedValues) ? "of '" . implode("', '", $allowedValues) . "'" : '';
+ $this->dieUsage("Only one $possibleValues is allowed for parameter '$valueName'", "multival_$valueName");
+ }
+ if (is_array($allowedValues)) {
+ $unknownValues = array_diff($valuesList, $allowedValues);
+ if ($unknownValues) {
+ $this->dieUsage('Unrecognised value' . (count($unknownValues) > 1 ? "s" : "") . " for parameter '$valueName'", "unknown_$valueName");
+ }
+ }
+
+ return $allowMultiple ? $valuesList : $valuesList[0];
+ }
+
+ /**
+ * Validate the value against the minimum and user/bot maximum limits. Prints usage info on failure.
+ */
+ function validateLimit($varname, $value, $min, $max, $botMax) {
+ if ($value < $min) {
+ $this->dieUsage("$varname may not be less than $min (set to $value)", $varname);
+ }
+
+ if ($this->getMain()->isBot() || $this->getMain()->isSysop()) {
+ if ($value > $botMax) {
+ $this->dieUsage("$varname may not be over $botMax (set to $value) for bots or sysops", $varname);
+ }
+ }
+ elseif ($value > $max) {
+ $this->dieUsage("$varname may not be over $max (set to $value) for users", $varname);
+ }
+ }
+
+ /**
+ * Call main module's error handler
+ */
+ public function dieUsage($description, $errorCode, $httpRespCode = 0) {
+ throw new UsageException($description, $this->encodeParamName($errorCode), $httpRespCode);
+ }
+
+ /**
+ * Internal code errors should be reported with this method
+ */
+ protected static function dieDebug($method, $message) {
+ wfDebugDieBacktrace("Internal error in $method: $message");
+ }
+
+ /**
+ * Profiling: total module execution time
+ */
+ private $mTimeIn = 0, $mModuleTime = 0;
+
+ /**
+ * Start module profiling
+ */
+ public function profileIn() {
+ if ($this->mTimeIn !== 0)
+ ApiBase :: dieDebug(__METHOD__, 'called twice without calling profileOut()');
+ $this->mTimeIn = microtime(true);
+ wfProfileIn($this->getModuleProfileName());
+ }
+
+ /**
+ * End module profiling
+ */
+ public function profileOut() {
+ if ($this->mTimeIn === 0)
+ ApiBase :: dieDebug(__METHOD__, 'called without calling profileIn() first');
+ if ($this->mDBTimeIn !== 0)
+ ApiBase :: dieDebug(__METHOD__, 'must be called after database profiling is done with profileDBOut()');
+
+ $this->mModuleTime += microtime(true) - $this->mTimeIn;
+ $this->mTimeIn = 0;
+ wfProfileOut($this->getModuleProfileName());
+ }
+
+ /**
+ * When modules crash, sometimes it is needed to do a profileOut() regardless
+ * of the profiling state the module was in. This method does such cleanup.
+ */
+ public function safeProfileOut() {
+ if ($this->mTimeIn !== 0) {
+ if ($this->mDBTimeIn !== 0)
+ $this->profileDBOut();
+ $this->profileOut();
+ }
+ }
+
+ /**
+ * Total time the module was executed
+ */
+ public function getProfileTime() {
+ if ($this->mTimeIn !== 0)
+ ApiBase :: dieDebug(__METHOD__, 'called without calling profileOut() first');
+ return $this->mModuleTime;
+ }
+
+ /**
+ * Profiling: database execution time
+ */
+ private $mDBTimeIn = 0, $mDBTime = 0;
+
+ /**
+ * Start module profiling
+ */
+ public function profileDBIn() {
+ if ($this->mTimeIn === 0)
+ ApiBase :: dieDebug(__METHOD__, 'must be called while profiling the entire module with profileIn()');
+ if ($this->mDBTimeIn !== 0)
+ ApiBase :: dieDebug(__METHOD__, 'called twice without calling profileDBOut()');
+ $this->mDBTimeIn = microtime(true);
+ wfProfileIn($this->getModuleProfileName(true));
+ }
+
+ /**
+ * End database profiling
+ */
+ public function profileDBOut() {
+ if ($this->mTimeIn === 0)
+ ApiBase :: dieDebug(__METHOD__, 'must be called while profiling the entire module with profileIn()');
+ if ($this->mDBTimeIn === 0)
+ ApiBase :: dieDebug(__METHOD__, 'called without calling profileDBIn() first');
+
+ $time = microtime(true) - $this->mDBTimeIn;
+ $this->mDBTimeIn = 0;
+
+ $this->mDBTime += $time;
+ $this->getMain()->mDBTime += $time;
+ wfProfileOut($this->getModuleProfileName(true));
+ }
+
+ /**
+ * Total time the module used the database
+ */
+ public function getProfileDBTime() {
+ if ($this->mDBTimeIn !== 0)
+ ApiBase :: dieDebug(__METHOD__, 'called without calling profileDBOut() first');
+ return $this->mDBTime;
+ }
+
+ public static function debugPrint($value, $name = 'unknown', $backtrace = false) {
+ print "\n\n<pre><b>Debuging value '$name':</b>\n\n";
+ var_export($value);
+ if ($backtrace)
+ print "\n" . wfBacktrace();
+ print "\n</pre>\n";
+ }
+
+ public abstract function getVersion();
+
+ public static function getBaseVersion() {
+ return __CLASS__ . ': $Id$';
+ }
+}
+?>