53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#pragma once
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#include "windows.h"
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#include <string>
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using std::wstring;
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enum FileContentType {
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FileContentsUnicode,
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FileContentsUnicodeBigEndian,
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FileContentsUTF8
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};
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FileContentType DetermineFileTypeFromBuffer( unsigned char *, int );
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int DetermineFileTypeSigSize( FileContentType );
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CByteVector ConvertWstringToDestination( wstring str, FileContentType fct );
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wstring ConvertToWstring( const CByteVector &bytes, FileContentType fct );
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const static unsigned char UNICODE_SIGNATURE[] = { 0xFF, 0xFE };
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const static unsigned char UNICODE_BIG_ENDIAN_SIGNATURE[] = { 0xFE, 0xFF };
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const static unsigned char UTF8_SIGNATURE[] = { 0x0 };
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class Win32File
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{
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FileContentType _type;
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wstring _wsName;
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HANDLE _hFile;
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bool _bOpenForRead, _bEof;
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public:
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void openForRead( wstring wstname );
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void openForWrite( wstring wstname, FileContentType bCreateFileType, bool bCanOverwrite = true );
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bool eof();
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void snarfFullFile( wstring& );
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void writeLine( wstring& );
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int filepointer() { return SetFilePointer( _hFile, 0, NULL, FILE_CURRENT ); }
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int filesize() { return GetFileSize( _hFile, NULL ); }
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FileContentType gettype() { return _type; }
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Win32File();
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~Win32File();
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class AlreadyOpened { };
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class OpeningError { public: DWORD error; OpeningError( DWORD d ) : error( d ) { } };
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class ReadWriteError { public: bool isReading; DWORD error; ReadWriteError( bool m, DWORD e ) : isReading( m ), error( e ) { } };
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private:
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Win32File( const Win32File& );
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};
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