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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#ifndef SWORD25_CALLBACK_REGISTRY_H
#define SWORD25_CALLBACK_REGISTRY_H
#include "common/scummsys.h"
#include "common/str.h"
#include "common/hash-str.h"
#include "common/hashmap.h"
#include "sword25/kernel/common.h"
namespace Sword25 {
typedef void (*CallbackPtr)(int command);
class CallbackRegistry {
public:
static CallbackRegistry &instance() {
static CallbackRegistry _instance;
return _instance;
}
bool registerCallbackFunction(const Common::String &name, CallbackPtr ptr);
CallbackPtr resolveCallbackFunction(const Common::String &name) const;
Common::String resolveCallbackPointer(CallbackPtr ptr) const;
private:
typedef Common::HashMap<Common::String, CallbackPtr, Common::CaseSensitiveString_Hash, Common::CaseSensitiveString_EqualTo> NameToPtrMap;
NameToPtrMap _nameToPtrMap;
struct CallbackPtr_EqualTo {
bool operator()(CallbackPtr x, CallbackPtr y) const {
return x == y;
}
};
struct CallbackPtr_Hash {
uint operator()(CallbackPtr x) const {
return *(uint *)&x;
}
};
typedef Common::HashMap<CallbackPtr, Common::String, CallbackPtr_Hash, CallbackPtr_EqualTo> PtrToNameMap;
PtrToNameMap _ptrToNameMap;
CallbackPtr findPtrByName(const Common::String &name) const;
Common::String findNameByPtr(CallbackPtr ptr) const;
void storeCallbackFunction(const Common::String &name, CallbackPtr ptr);
};
} // End of namespace Sword25
#endif
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