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TextFile.h
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94 lines (77 loc) · 2.43 KB
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/*
* (C) 2003-2006 Gabest
* (C) 2006-2014 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC 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 3 of the License, or
* (at your option) any later version.
*
* MPC-HC 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, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "StdioFile64.h"
class CTextFile : protected CStdioFile64
{
public:
enum enc {
DEFAULT_ENCODING,
UTF8,
LE16,
BE16,
ANSI
};
private:
enc m_encoding, m_defaultencoding;
int m_offset;
ULONGLONG m_posInFile;
CAutoVectorPtr<char> m_buffer;
CAutoVectorPtr<WCHAR> m_wbuffer;
LONGLONG m_posInBuffer, m_nInBuffer;
public:
CTextFile(enc e = DEFAULT_ENCODING);
virtual bool Open(LPCTSTR lpszFileName);
virtual bool Save(LPCTSTR lpszFileName, enc e /*= DEFAULT_ENCODING*/);
void SetEncoding(enc e);
enc GetEncoding();
bool IsUnicode();
// CFile
CString GetFilePath() const;
// CStdioFile
ULONGLONG GetPosition() const;
ULONGLONG GetLength() const;
ULONGLONG Seek(LONGLONG lOff, UINT nFrom);
void WriteString(LPCSTR lpsz/*CStringA str*/);
void WriteString(LPCWSTR lpsz/*CStringW str*/);
BOOL ReadString(CStringA& str);
BOOL ReadString(CStringW& str);
protected:
virtual bool ReopenAsText();
bool FillBuffer();
ULONGLONG GetPositionFastBuffered() const;
};
class CWebTextFile : public CTextFile
{
LONGLONG m_llMaxSize;
CString m_tempfn;
public:
CWebTextFile(CTextFile::enc e = DEFAULT_ENCODING, LONGLONG llMaxSize = 1024 * 1024);
bool Open(LPCTSTR lpszFileName);
bool Save(LPCTSTR lpszFileName, enc e /*= DEFAULT_ENCODING*/);
void Close();
};
extern CStringW AToW(CStringA str);
extern CStringA WToA(CStringW str);
extern CString AToT(CStringA str);
extern CString WToT(CStringW str);
extern CStringA TToA(CString str);
extern CStringW TToW(CString str);