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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "Exception.h"
namespace ssf
{
class Stream
{
public:
enum {EOS = -1};
enum encoding_t {none, unknown, utf8, utf16le, utf16be, wchar};
protected:
int m_line, m_col;
encoding_t m_encoding;
public:
Stream();
virtual ~Stream();
static bool IsWhiteSpace(int c, LPCWSTR morechars = NULL);
void ThrowError(LPCTSTR fmt, ...);
};
class InputStream : public Stream
{
CAtlList<int> m_queue;
int PushChar(), PopChar();
int NextChar();
protected:
virtual int NextByte() = 0;
public:
InputStream();
~InputStream();
int PeekChar(), GetChar();
int SkipWhiteSpace(LPCWSTR morechars = NULL);
};
class FileInputStream : public InputStream
{
FILE* m_file;
protected:
int NextByte();
public:
FileInputStream(const TCHAR* fn);
~FileInputStream();
};
class MemoryInputStream : public InputStream
{
BYTE* m_pBytes;
int m_pos, m_len;
bool m_fFree;
protected:
int NextByte();
public:
MemoryInputStream(BYTE* pBytes, int len, bool fCopy, bool fFree);
~MemoryInputStream();
};
class WCharInputStream : public InputStream
{
CStringW m_str;
int m_pos;
protected:
int NextByte();
public:
WCharInputStream(CStringW str);
};
class OutputStream : public Stream
{
bool m_bof;
protected:
virtual void NextByte(int b) = 0;
public:
OutputStream(encoding_t e);
virtual ~OutputStream();
void PutChar(WCHAR c);
void PutString(LPCWSTR fmt, ...);
};
class WCharOutputStream : public OutputStream
{
CStringW m_str;
protected:
void NextByte(int b);
public:
WCharOutputStream();
const CStringW& GetString() {return m_str;}
};
class DebugOutputStream : public OutputStream
{
CStringW m_str;
protected:
void NextByte(int b);
public:
DebugOutputStream();
~DebugOutputStream();
};
}
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