C++ (Cpp) CFile::ReadFile Examples

Example #1

File: ASCOfficePPTXFileRealization.cpp Project: ONLYOFFICE/core

_UINT32 CPPTXFile::ConvertPPTYToPPTX(std::wstring bsInput, std::wstring bsOutput, std::wstring bsThemesFolder)//bsOutput и файл и директория может быть 
{
	OOX::CPath pathLocalTempDirectory;
	
	if (m_fCallbackCompress)//если компрессора нет - конвертим в назначеную директорию 
		pathLocalTempDirectory = m_strTempDir ;
	else
		pathLocalTempDirectory = bsOutput; //выходной файл - папка

#ifdef _DEBUG
	#if defined(_WIN32) || defined (_WIN64)
		if (m_fCallbackCompress)
			pathLocalTempDirectory = _T("C:\\PPTMemory\\PPTX_test");
	#endif
#endif


	NSBinPptxRW::CPPTXWriter oWriter;
	oWriter.Init(pathLocalTempDirectory.GetPath());

	CFile oFileBinary;
	oFileBinary.OpenFile((std::wstring)bsInput);	
		LONG lFileSize = (LONG)oFileBinary.GetFileSize();
		BYTE* pSrcBuffer = new BYTE[lFileSize];
		oFileBinary.ReadFile(pSrcBuffer, (DWORD)lFileSize);
	oFileBinary.CloseFile();
	
	std::wstring strBsInput = bsInput;
    std::wstring srcFolder = NSDirectory::GetFolderPath(strBsInput);

	oWriter.OpenPPTY(pSrcBuffer, lFileSize, srcFolder, bsThemesFolder);
	
	RELEASEARRAYOBJECTS(pSrcBuffer);
	
	_UINT32 hRes = 0;

	if (m_fCallbackCompress)
	{
        std::wstring strOutput = bsOutput;
        std::wstring strInput = pathLocalTempDirectory.GetPath();

        hRes = m_fCallbackCompress(m_pCallbackArg, strInput, strOutput) ? 0 : AVS_FILEUTILS_ERROR_CONVERT;

        NSDirectory::DeleteDirectory(strInput);
	}
	return hRes;
}

Example #2

File: OfficeOdfFileW.cpp Project: alexandervnuchkov/core

std::wstring COfficeOdfFileW::DetectTypeDocument(const std::wstring & pathOOX)
{
	std::wstring sRes;

	CFile file;

	CString fileContentType = std_string2string(pathOOX + FILE_SEPARATOR_STR + L"[Content_Types].xml");

	if (file.OpenFile(fileContentType) != S_OK) return sRes;

	int nBufferSize = min (file.GetFileSize(), 4096);
	BYTE *pBuffer = new BYTE[nBufferSize];

	file.ReadFile(pBuffer, nBufferSize);
	file.CloseFile();

	if (pBuffer != NULL)
	{

		const char *docxFormatLine = "application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml";
		const char *dotxFormatLine = "application/vnd.openxmlformats-officedocument.wordprocessingml.template.main+xml";
		const char *docmFormatLine = "application/vnd.ms-word.document.macroEnabled.main+xml";
		const char *dotmFormatLine = "application/vnd.ms-word.template.macroEnabledTemplate.main+xml";

		const char *xlsxFormatLine = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml";
		const char *xltxFormatLine = "application/vnd.openxmlformats-officedocument.spreadsheetml.template.main+xml";
		const char *xlsmFormatLine = "application/vnd.ms-excel.sheet.macroEnabled.main+xml";
		const char *xltmFormatLine = "application/vnd.ms-excel.template.macroEnabled.main+xml";

		const char *pptxFormatLine = "application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml";
		const char *ppsxFormatLine = "application/vnd.openxmlformats-officedocument.presentationml.slideshow.main+xml";
		const char *potxFormatLine = "application/vnd.openxmlformats-officedocument.presentationml.template.main+xml";
		const char *pptmFormatLine = "application/vnd.ms-powerpoint.presentation.macroEnabled.main+xml";
		const char *ppsmFormatLine = "application/vnd.ms-powerpoint.slideshow.macroEnabled.main+xml";
		const char *potmFormatLine = "application/vnd.ms-powerpoint.template.macroEnabled.main+xml";

        std::string strContentTypes((char*)pBuffer, nBufferSize);

        int res = 0;
        if ( (res = strContentTypes.find(docxFormatLine))>0 || (res = strContentTypes.find(dotxFormatLine))>0 ||
            (res = strContentTypes.find(docmFormatLine))>0 || (res = strContentTypes.find(dotmFormatLine))>0)
		{
			sRes = L"text";
		}

        else if ((res = strContentTypes.find(xlsxFormatLine))>0 || (res = strContentTypes.find(xltxFormatLine))>0 ||
            (res = strContentTypes.find(xlsmFormatLine))>0 || (res = strContentTypes.find(xltmFormatLine))>0)
		{
			sRes = L"spreadsheet";
		}

        else if ((res = strContentTypes.find(pptxFormatLine) > 0) || /*(res = strContentTypes.find(ppsxFormatLine))>0 ||*/
            (res = strContentTypes.find(potxFormatLine))>0 || (res = strContentTypes.find(pptmFormatLine))>0 ||
            (res = strContentTypes.find(ppsmFormatLine))>0 || (res = strContentTypes.find(potmFormatLine))>0 ||
			(res = strContentTypes.find(ppsxFormatLine)) >0 )
		{
		}

		delete []pBuffer;
		pBuffer = NULL;

	}
	return sRes;
}