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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
*
* Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#ifndef __BASE_H__
#define __BASE_H__
#include "inspircd_config.h"
#include <time.h>
#include <map>
#include <deque>
#include <string>
typedef void* VoidPointer;
typedef std::map<std::string,char*> ExtensibleStore;
extern time_t TIME;
/** The base class for all inspircd classes
*/
class classbase
{
public:
/** Time that the object was instantiated (used for TS calculation etc)
*/
time_t age;
/** Constructor,
* Sets the object's time
*/
classbase();
~classbase() { }
};
/** class Extensible is the parent class of many classes such as userrec and chanrec.
* 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
* a flags variable, and each module defining bits within the flag as 'theirs' as it is less prone to conflict and
* supports arbitary data storage).
*/
class Extensible : public classbase
{
/** Private data store
*/
ExtensibleStore Extension_Items;
public:
/** Extend an Extensible class.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @param p This parameter is a pointer to any data you wish to associate with the object
*
* You must provide a key to store the data as via the parameter 'key' and store the data
* in the templated parameter 'p'.
* The data will be inserted into the map. If the data already exists, you may not insert it
* twice, Extensible::Extend will return false in this case.
*
* @return Returns true on success, false if otherwise
*/
template<typename T> bool Extend(const std::string &key, T* p)
{
/* This will only add an item if it doesnt already exist,
* the return value is a std::pair of an iterator to the
* element, and a bool saying if it was actually inserted.
*/
return this->Extension_Items.insert(std::make_pair(key, (char*)p)).second;
}
/** Extend an Extensible class.
*
* @param key The key parameter is an arbitary string which identifies the extension data
*
* You must provide a key to store the data as via the parameter 'key', this single-parameter
* version takes no 'data' parameter, this is used purely for boolean values.
* The key will be inserted into the map with a NULL 'data' pointer. If the key already exists
* then you may not insert it twice, Extensible::Extend will return false in this case.
*
* @return Returns true on success, false if otherwise
*/
bool Extend(const std::string &key)
{
/* This will only add an item if it doesnt already exist,
* the return value is a std::pair of an iterator to the
* element, and a bool saying if it was actually inserted.
*/
return this->Extension_Items.insert(std::make_pair(key, (char*)NULL)).second;
}
/** Shrink an Extensible class.
*
* @param key The key parameter is an arbitary string which identifies the extension data
*
* You must provide a key name. The given key name will be removed from the classes data. If
* you provide a nonexistent key (case is important) then the function will return false.
* @return Returns true on success.
*/
bool Shrink(const std::string &key);
/** Get an extension item.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @param p If you provide a non-existent key, this value will be NULL. Otherwise a pointer to the item you requested will be placed in this templated parameter.
* @return Returns true if the item was found and false if it was nor, regardless of wether 'p' is NULL. This allows you to store NULL values in Extensible.
*/
template<typename T> bool GetExt(const std::string &key, T* &p)
{
ExtensibleStore::iterator iter = this->Extension_Items.find(key);
if(iter != this->Extension_Items.end())
{
p = (T*)iter->second;
return true;
}
else
{
p = NULL;
return false;
}
}
/** Get an extension item.
*
* @param key The key parameter is an arbitary string which identifies the extension data
* @return Returns true if the item was found and false if it was not.
*
* This single-parameter version only checks if the key exists, it does nothing with
* the 'data' field and is probably only useful in conjunction with the single-parameter
* version of Extend().
*/
bool GetExt(const std::string &key)
{
return (this->Extension_Items.find(key) != this->Extension_Items.end());
}
/** Get a list of all extension items names.
* @param list A deque of strings to receive the list
* @return This function writes a list of all extension items stored in this object by name into the given deque and returns void.
*/
void GetExtList(std::deque<std::string> &list);
};
/** 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 BoolSet : public classbase
{
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);
};
#endif
|
