C++ FastFormatUnicode::Clear方法代码示例

// multi-part ISO support is provided for FAT32 compatibility; so that large 4GB+ isos
// can be split into multiple smaller files.
//
// Returns TRUE if multiple parts for the ISO are found.  Returns FALSE if only one
// part is found.
void isoFile::FindParts()
{
	wxFileName nameparts( m_filename );
	wxString curext( nameparts.GetExt() );
	wxChar prefixch = wxTolower(curext[0]);

	// Multi-part rules!
	//  * The first part can either be the proper extension (ISO, MDF, etc) or the numerical
	//    extension (I00, I01, M00, M01, etc).
	//  * Numerical extensions MUST begin at 00 (I00 etc), regardless of if the first part
	//    is proper or numerical.

	uint i = 0;

	if ((curext.Length() == 3) && (curext[1] == L'0') && (curext[2] == L'0'))
	{
		// First file is an OO, so skip 0 in the loop below:
		i = 1;
	}

	FastFormatUnicode extbuf;

	extbuf.Write( L"%c%02u", prefixch, i );
	nameparts.SetExt( extbuf );
	if (!pxFileExists_WithExt(nameparts, extbuf)) return;

	DevCon.WriteLn( Color_Blue, "isoFile: multi-part %s detected...", curext.Upper().c_str() );
	ConsoleIndentScope indent;

	for (; i < MaxSplits; ++i)
	{
		extbuf.Clear();
		extbuf.Write( L"%c%02u", prefixch, i );
		if (!pxFileExists_WithExt(nameparts, extbuf)) break;

		_IsoPart& thispart( m_parts[m_numparts] );

		thispart.handle = new wxFileInputStream( nameparts.GetFullPath() );
		pxStream_OpenCheck( *thispart.handle, nameparts.GetFullPath(), L"reading" );

		m_blocks += thispart.CalculateBlocks( m_blocks, m_blocksize );

		DevCon.WriteLn( Color_Blue, L"\tblocks %u - %u in: %s",
			thispart.slsn, thispart.elsn,
			nameparts.GetFullPath().c_str()
		);
		++m_numparts;
	}

	//Console.WriteLn( Color_Blue, "isoFile: multi-part ISO loaded (%u parts found)", m_numparts );
}

void MultipartFileReader::FindParts()
{
	wxFileName nameparts( m_filename );
	wxString curext( nameparts.GetExt() );
	wxChar prefixch = wxTolower(curext[0]);

	// Multi-part rules!
	//  * The first part can either be the proper extension (ISO, MDF, etc) or the numerical
	//    extension (I00, I01, M00, M01, etc).
	//  * Numerical extensions MUST begin at 00 (I00 etc), regardless of if the first part
	//    is proper or numerical.

	uint i = 0;

	if ((curext.Length() == 3) && (curext[1] == L'0') && (curext[2] == L'0'))
	{
		// First file is an OO, so skip 0 in the loop below:
		i = 1;
	}

	FastFormatUnicode extbuf;

	extbuf.Write( L"%c%02u", prefixch, i );
	nameparts.SetExt( extbuf );
	if (!pxFileExists_WithExt(nameparts, extbuf))
		return;

	DevCon.WriteLn( Color_Blue, "isoFile: multi-part %s detected...", WX_STR(curext.Upper()) );
	ConsoleIndentScope indent;

	int bsize = m_parts[0].reader->GetBlockSize();
	int blocks = m_parts[0].end;

	m_numparts = 1;

	for (; i < MaxParts; ++i)
	{
		extbuf.Clear();
		extbuf.Write( L"%c%02u", prefixch, i );
		nameparts.SetExt( extbuf );
		if (!pxFileExists_WithExt(nameparts, extbuf))
			break;

		Part* thispart = m_parts + m_numparts;
		AsyncFileReader* thisreader = thispart->reader = new FlatFileReader();

		wxString name = nameparts.GetFullPath();

		thisreader->Open(name);
		thisreader->SetBlockSize(bsize);

		thispart->start = blocks;

		uint bcount =  thisreader->GetBlockCount();
		blocks += bcount;

		thispart->end = blocks;

		DevCon.WriteLn( Color_Blue, L"\tblocks %u - %u in: %s",
			thispart->start, thispart->end,
			WX_STR(nameparts.GetFullPath())
		);

		++m_numparts;
	}

	//Console.WriteLn( Color_Blue, "isoFile: multi-part ISO loaded (%u parts found)", m_numparts );
}