X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fbase.h;h=ab52545f9716992ddb8fa31f2f06828f48a45e17;hb=01c23b31f7d0ea87052cd22814af826ecb11f0f3;hp=b0e264bacaed9c8d17ba8ea2ddded03f90c336e2;hpb=08e384bb24398224856c44baa51b51977644de9d;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/base.h b/include/base.h index b0e264bac..ab52545f9 100644 --- a/include/base.h +++ b/include/base.h @@ -1,30 +1,158 @@ -/* +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2009 InspIRCd Development Team + * See: http://wiki.inspircd.org/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ +#ifndef __BASE_H__ +#define __BASE_H__ +#include +#include +#include + +/** 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 + * as 'anonymous' classes. */ +class CoreExport classbase +{ + public: + classbase(); + + virtual ~classbase() { } +}; + +/** BoolSet is a utility class designed to hold eight bools in a bitmask. + * Use BoolSet::Set and BoolSet::Get to set and get bools in the bitmask, + * and Unset and Invert for special operations upon them. + */ +class CoreExport BoolSet : public classbase +{ + /** Actual bit values */ + char bits; + + public: + + /** The default constructor initializes the BoolSet to all values unset. + */ + BoolSet(); -#include "inspircd_config.h" -#include - -#ifndef __BASE_H__ -#define __BASE_H__ + /** This constructor copies the default bitmask from a char + */ + BoolSet(char bitmask); + + /** The Set method sets one bool in the set. + * + * @param number The number of the item to set. This must be between 0 and 7. + */ + void Set(int number); + /** The Get method returns the value of one bool in the set + * + * @param number The number of the item to retrieve. This must be between 0 and 7. + * + * @return True if the item is set, false if it is unset. + */ + bool Get(int number); + + /** The Unset method unsets one value in the set + * + * @param number The number of the item to set. This must be between 0 and 7. + */ + void Unset(int number); -/** The base class for all inspircd classes -*/ -class classbase + /** The Unset method inverts (flips) one value in the set + * + * @param number The number of the item to invert. This must be between 0 and 7. + */ + void Invert(int number); + + /** Compare two BoolSets + */ + bool operator==(BoolSet other); + + /** OR two BoolSets together + */ + BoolSet operator|(BoolSet other); + + /** AND two BoolSets together + */ + BoolSet operator&(BoolSet other); + + /** Assign one BoolSet to another + */ + 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: - /** Time that the object was instantiated (used for TS calculation etc) - */ - time_t age; + /** 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(); + } + + 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") {} - /** Constructor, - * Sets the object's time + /** This constructor can be used to specify an error message before throwing. */ - classbase() { age = time(NULL); } - ~classbase() { } + 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 -