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/* +------------------------------------+
* | 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 <map>
#include <deque>
#include <string>
/** 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();
/** 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 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:
/** 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") {}
/** 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
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