www.pudn.com > Nestopia137src.zip > NstApiUser.hpp

//////////////////////////////////////////////////////////////////////////////////////// 
// 
// Nestopia - NES/Famicom emulator written in C++ 
// 
// Copyright (C) 2003-2007 Martin Freij 
// 
// This file is part of Nestopia. 
// 
// Nestopia 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. 
// 
// Nestopia 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 Nestopia; if not, write to the Free Software 
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
// 
//////////////////////////////////////////////////////////////////////////////////////// 
 
#ifndef NST_API_USER_H 
#define NST_API_USER_H 
 
#include  
#include  
#include "NstApi.hpp" 
 
#ifdef NST_PRAGMA_ONCE 
#pragma once 
#endif 
 
#if NST_ICC >= 810 
#pragma warning( push ) 
#pragma warning( disable : 304 444 ) 
#elif NST_MSVC >= 1200 
#pragma warning( push ) 
#pragma warning( disable : 4512 ) 
#endif 
 
namespace Nes 
{ 
	namespace Api 
	{ 
		class User : public Base 
		{ 
			struct LogCaller; 
			struct EventCaller; 
			struct InputCaller; 
			struct QuestionCaller; 
			struct FileIoCaller; 
 
		public: 
 
			template 
			User(T& e) 
			: Base(e) {} 
 
			enum Question 
			{ 
				QUESTION_NST_PRG_CRC_FAIL_CONTINUE = 1, 
				QUESTION_NSV_PRG_CRC_FAIL_CONTINUE 
			}; 
 
			enum Answer 
			{ 
				ANSWER_NO, 
				ANSWER_YES, 
				ANSWER_DEFAULT 
			}; 
 
			enum Event 
			{ 
				EVENT_CPU_JAM = 1, 
				EVENT_DISPLAY_TIMER, 
				EVENT_CPU_UNOFFICIAL_OPCODE 
			}; 
 
			enum File 
			{ 
				FILE_LOAD_BATTERY = 1, 
				FILE_SAVE_BATTERY, 
				FILE_SAVE_FDS, 
				FILE_LOAD_EEPROM, 
				FILE_SAVE_EEPROM, 
				FILE_LOAD_TAPE, 
				FILE_SAVE_TAPE, 
				FILE_LOAD_TURBOFILE, 
				FILE_SAVE_TURBOFILE 
			}; 
 
			enum Input 
			{ 
				INPUT_CHOOSE_MAPPER = 1 
			}; 
 
			enum 
			{ 
				NUM_QUESTION_CALLBACKS = 2, 
				NUM_EVENT_CALLBACKS = 3, 
				NUM_FILE_CALLBACKS = 9, 
				NUM_INPUT_CALLBACKS = 1 
			}; 
 
			typedef std::string String; 
			typedef std::vector FileData; 
 
			typedef void   ( NST_CALLBACK *LogCallback      ) (UserData,const char*,ulong); 
			typedef void   ( NST_CALLBACK *EventCallback    ) (UserData,Event,const void*); 
			typedef void   ( NST_CALLBACK *InputCallback    ) (UserData,Input,const char*,String&); 
			typedef Answer ( NST_CALLBACK *QuestionCallback ) (UserData,Question); 
			typedef void   ( NST_CALLBACK *FileIoCallback   ) (UserData,File,FileData&); 
 
			static LogCaller logCallback; 
			static EventCaller eventCallback; 
			static InputCaller inputCallback; 
			static QuestionCaller questionCallback; 
			static FileIoCaller fileIoCallback; 
		}; 
 
		struct User::LogCaller : Core::UserCallback 
		{ 
			void operator () (const char* text,ulong length) const 
			{ 
				if (function) 
					function( userdata, text, length ); 
			} 
 
			template 
			void operator () (const char (&c)[N]) const 
			{ 
				(*this)( c, N-1 ); 
			} 
		}; 
 
		struct User::EventCaller : Core::UserCallback 
		{ 
			void operator () (Event event,const void* data=0) const 
			{ 
				if (function) 
					function( userdata, event, data ); 
			} 
		}; 
 
		struct User::InputCaller : Core::UserCallback 
		{ 
			void operator () (Input what,const char* info,String& answer) const 
			{ 
				if (function) 
					function( userdata, what, info, answer ); 
			} 
		}; 
 
		struct User::QuestionCaller : Core::UserCallback 
		{ 
			Answer operator () (Question question) const 
			{ 
				return function ? function( userdata, question ) : ANSWER_DEFAULT; 
			} 
		}; 
 
		struct User::FileIoCaller : Core::UserCallback 
		{ 
			void operator () (File file,FileData& data) const 
			{ 
				if (function) 
					function( userdata, file, data ); 
			} 
		}; 
	} 
} 
 
#if NST_MSVC >= 1200 || NST_ICC >= 810 
#pragma warning( pop ) 
#endif 
 
#endif