nestopia/source/core/NstStream.hpp
2013-01-14 16:40:40 -05:00

141 lines
2.9 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 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_STREAM_H
#define NST_STREAM_H
#ifndef NST_ASSERT_H
#include "NstAssert.hpp"
#endif
#ifdef NST_PRAGMA_ONCE
#pragma once
#endif
namespace Nes
{
namespace Core
{
template<typename T>
class Vector;
typedef void* StdStream;
namespace Stream
{
class In
{
StdStream const stream;
void SafeRead(byte*,dword);
void Clear();
public:
explicit In(StdStream s)
: stream(s)
{
NST_ASSERT( stream );
}
static dword AsciiToC(char* NST_RESTRICT,const byte* NST_RESTRICT,dword);
void Read(byte*,dword);
void Read(char*,dword);
dword Read(Vector<char>&);
uint Read8();
uint Read16();
dword Read32();
qaword Read64();
uint SafeRead8();
void Peek(byte*,dword);
uint Peek8();
uint Peek16();
dword Peek32();
void Seek(idword);
ulong Length();
bool Eof();
template<dword N>
void Read(byte (&data)[N])
{
NST_COMPILE_ASSERT( N > 0 );
Read( data, N );
}
bool operator == (StdStream s) const
{
return stream == s;
}
bool operator != (StdStream s) const
{
return stream != s;
}
};
class Out
{
StdStream const stream;
void Clear();
public:
explicit Out(StdStream s)
: stream(s)
{
NST_ASSERT( stream );
}
void Write(const byte*,dword);
void Write8(uint);
void Write16(uint);
void Write32(dword);
void Write64(qaword);
void Seek(idword);
bool SeekEnd();
template<dword N>
void Write(const byte (&data)[N])
{
NST_COMPILE_ASSERT( N > 0 );
Write( data, N );
}
bool operator == (StdStream s) const
{
return stream == s;
}
bool operator != (StdStream s) const
{
return stream != s;
}
};
}
}
}
#endif