X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fbase.h;h=904a1005cb4c67061d6e133a1f851b89c4032641;hb=c84ad4cc16452b86bb444a22a55203afa4fa5454;hp=ba8184c3c29773ca04922fedd9ba636c0d43ed4b;hpb=f2acdbc3820f0f4f5ef76a0a64e73d2a320df91f;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/base.h b/include/base.h index ba8184c3c..904a1005c 100644 --- a/include/base.h +++ b/include/base.h @@ -2,7 +2,7 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * InspIRCd: (C) 2002-2008 InspIRCd Development Team * See: http://www.inspircd.org/wiki/index.php/Credits * * This program is free but copyrighted software; see @@ -14,21 +14,13 @@ #ifndef __BASE_H__ #define __BASE_H__ -#include "inspircd_config.h" -#include #include #include #include -/** Do we use this? -- Brain */ -typedef void* VoidPointer; - /** A private data store for an Extensible class */ typedef std::map ExtensibleStore; -/** Needed */ -class InspIRCd; - /** The base class for all inspircd classes. * Wherever possible, all classes you create should inherit from this, * giving them the ability to be passed to various core functions @@ -49,10 +41,10 @@ class CoreExport classbase /** Destructor. * Does sweet FA. */ - ~classbase() { } + virtual ~classbase() { } }; -/** class Extensible is the parent class of many classes such as userrec and chanrec. +/** class Extensible is the parent class of many classes such as User and Channel. * class Extensible implements a system which allows modules to 'extend' the class by attaching data within * a map associated with the object. In this way modules can store their own custom information within user * objects, channel objects and server objects, without breaking other modules (this is more sensible than using @@ -223,6 +215,66 @@ class CoreExport BoolSet : public classbase bool operator=(BoolSet other); }; +/** This class can be used on its own to represent an exception, or derived to represent a module-specific exception. + * When a module whishes to abort, e.g. within a constructor, it should throw an exception using ModuleException or + * a class derived from ModuleException. If a module throws an exception during its constructor, the module will not + * be loaded. If this happens, the error message returned by ModuleException::GetReason will be displayed to the user + * attempting to load the module, or dumped to the console if the ircd is currently loading for the first time. + */ +class CoreExport CoreException : public std::exception +{ + protected: + /** Holds the error message to be displayed + */ + const std::string err; + /** Source of the exception + */ + const std::string source; + public: + /** Default constructor, just uses the error mesage 'Core threw an exception'. + */ + CoreException() : err("Core threw an exception"), source("The core") {} + /** This constructor can be used to specify an error message before throwing. + */ + CoreException(const std::string &message) : err(message), source("The core") {} + /** This constructor can be used to specify an error message before throwing, + * and to specify the source of the exception. + */ + CoreException(const std::string &message, const std::string &src) : err(message), source(src) {} + /** This destructor solves world hunger, cancels the world debt, and causes the world to end. + * Actually no, it does nothing. Never mind. + * @throws Nothing! + */ + virtual ~CoreException() throw() {}; + /** Returns the reason for the exception. + * The module should probably put something informative here as the user will see this upon failure. + */ + virtual const char* GetReason() + { + return err.c_str(); + } -#endif + virtual const char* GetSource() + { + return source.c_str(); + } +}; +class CoreExport ModuleException : public CoreException +{ + public: + /** Default constructor, just uses the error mesage 'Module threw an exception'. + */ + ModuleException() : CoreException("Module threw an exception", "A Module") {} + + /** This constructor can be used to specify an error message before throwing. + */ + ModuleException(const std::string &message) : CoreException(message, "A Module") {} + /** This destructor solves world hunger, cancels the world debt, and causes the world to end. + * Actually no, it does nothing. Never mind. + * @throws Nothing! + */ + virtual ~ModuleException() throw() {}; +}; + +#endif