C++ outstream函数代码示例

void Step3_Convert(const TString filename)
{
    TFile* file = new TFile(filename, "READ");

    std::vector<TString> hists;
    // No bracket enclosed initializer list in root 5
    hists.push_back("NeulandDigiMon/hDepth");
    hists.push_back("NeulandDigiMon/hForemostEnergy");
    hists.push_back("NeulandDigiMon/hEtot");

    //for (const TString& hist : hists)
    for(Int_t i = 0; i < hists.size(); i++)
    {
        const TString hist = hists.at(i);
        std::cout << hist << std::endl;
        TH1D* h = (TH1D*)file->GetObjectChecked(hist, "TH1D");

        const TString outfile = (TString(filename).ReplaceAll("digi.root", TString(hist).ReplaceAll("NeulandDigiMon/", "") + ".dat"));
        ofstream outstream(outfile);

        SingleExportAscii(h, outstream);

        outstream.close();
    }
}

    //---------------------------------------------------------------------
    DataStreamPtr FreeImageCodec::code(MemoryDataStreamPtr& input, Codec::CodecDataPtr& pData) const
    {        
		// Set error handler
		FreeImage_SetOutputMessage(FreeImageSaveErrorHandler);

		FIBITMAP* fiBitmap = encode(input, pData);

		// open memory chunk allocated by FreeImage
		FIMEMORY* mem = FreeImage_OpenMemory();
		// write data into memory
		FreeImage_SaveToMemory((FREE_IMAGE_FORMAT)mFreeImageType, fiBitmap, mem);
		// Grab data information
		BYTE* data;
		DWORD size;
		FreeImage_AcquireMemory(mem, &data, &size);
		// Copy data into our own buffer
		// Because we're asking MemoryDataStream to free this, must create in a compatible way
		BYTE* ourData = OGRE_ALLOC_T(BYTE, size, MEMCATEGORY_GENERAL);
		memcpy(ourData, data, size);
		// Wrap data in stream, tell it to free on close 
		DataStreamPtr outstream(OGRE_NEW MemoryDataStream(ourData, size, true));
		// Now free FreeImage memory buffers
		FreeImage_CloseMemory(mem);
		// Unload bitmap
		FreeImage_Unload(fiBitmap);

		return outstream;


    }

void JRoomModelClientRoomProcessor::requestRoomList()
{
    QByteArray outdata;
    QDataStream outstream(&outdata,QIODevice::WriteOnly);
    outstream<<(JID)ERP_RoomList;
    sendData(JRoomModelClientSocket::instance(),outdata);
}

/**
@brief This function demonstrates how to perform "Textless Lipsync"

Given an audio file, this method will use SAPI to guess at words
and word timings and phoneme timings in the specified audio file. 
The results are printed to std::out.

This is the best code to look at first

@param strAudioFile - [in] audio file
**/
void
run_sapi_textless_lipsync(std::wstring& strAudioFile, std::wstring outFile)
{
	// 1. [optional] declare the SAPI 5.1 estimator. 
	// NOTE: for different phoneme sets: create a new estimator
	phoneme_estimator sapi51Estimator;

	// 2. declare the sapi lipsync object and call the lipsync method to
	// start the lipsync process
	sapi_textless_lipsync lsp(&sapi51Estimator);
	if (lsp.lipsync(strAudioFile))
    {
		// 3. Run the message loop and wait till the lipsync is finished
        run_lipsync_message_loop(lsp);
		
		// 4. finalize the lipsync results for printing
		// this call will estimate phoneme timings 
		lsp.finalize_phoneme_alignment();

		// 5. print the results to the output stream
		//lsp.print_results(std::cout);
		
		// 5'. print results in a file
		std::wstring strOutFile = outFile + L".phonemes.xml";
		std::ofstream outstream(strOutFile.c_str());
		outstream << "<PhonemeTimings audiofile=\"" << wstring_2_string(strAudioFile) << "\" >" << std::endl;
		lsp.print_results(outstream);
		outstream << "</PhonemeTimings>" << std::endl;
		outstream.close();            
	}
	else
	{
		std::wcerr << lsp.getErrorString() << std::endl;
	}
}

    //---------------------------------------------------------------------
    DataStreamPtr FreeImageCodec::code(MemoryDataStreamPtr& input, Codec::CodecDataPtr& pData) const
    {        
		FIBITMAP* fiBitmap = encode(input, pData);

		// open memory chunk allocated by FreeImage
		FIMEMORY* mem = FreeImage_OpenMemory();
		// write data into memory
		FreeImage_SaveToMemory((FREE_IMAGE_FORMAT)mFreeImageType, fiBitmap, mem);
		// Grab data information
		BYTE* data;
		DWORD size;
		FreeImage_AcquireMemory(mem, &data, &size);
		// Copy data into our own buffer
		BYTE* ourData = new BYTE[size];
		memcpy(ourData, data, size);
		// Wrap data in stream, tell it to free on close 
		DataStreamPtr outstream(new MemoryDataStream(ourData, size, true));
		// Now free FreeImage memory buffers
		FreeImage_CloseMemory(mem);
		// Unload bitmap
		FreeImage_Unload(fiBitmap);

		return outstream;


    }

void JRequestGameInfoSocket::rqsGameList()
{
    QByteArray outdata;
    QDataStream outstream(&outdata,QIODevice::WriteOnly);
	outstream<<(JID)SubServer::EGP_GameList;
    sendData(outdata);
}

bool WebGame::Utility::writeToFile(const Utility::StringGroupType& infos,
    const std::string& file_name,
    const std::string&
#ifdef WIN32

     locinfo
#endif
     ) {
#ifdef WIN32
  std::locale loc = std::locale::global(std::locale(locinfo.c_str())) ;
#endif
  std::ofstream outstream(file_name.c_str(), std::ios_base::out |
      std::ios_base::trunc) ;
  if(!outstream.is_open()) {
#ifdef WIN32
    std::locale::global(loc) ;
#endif
    return false ;
  }
  bool ok = writeToFile(infos, outstream) ;
#ifdef WIN32
  std::locale::global(loc) ;
#endif
  return ok ;
}

/*!
	\brief 发送游戏信息
	
	\a gi 表示游戏信息。
	
	\sa SubServer::SGameInfo2
*/
void JSendGsInfoSocket::sendGameInfo(const SubServer::SGameInfo2& gi)
{
	QByteArray outdata;
	QDataStream outstream(&outdata,QIODevice::WriteOnly);
	outstream<<(JID)SubServer::ESP_GameInfo;
	outstream<<gi;
	sendData(outdata);
}

void JMainServerCommandProcessor::replyCommandResult(JID type,JCode result)
{
	QByteArray outdata;
	QDataStream outstream(&outdata,QIODevice::WriteOnly);
	outstream<<type;
	outstream<<result;
	sendData(outdata);
}

void JDownloadGameFileSocket::rqsGameFile(const QString& gamename,const JVersion& version,const QString& path)
{
	m_path=path;
	QByteArray outdata;
	QDataStream outstream(&outdata,QIODevice::WriteOnly);
	outstream<<gamename<<version;
	sendData(outdata);
}

    void storeRegionInfo(const QVector<ExonData>& exons)
    {
		QSharedPointer<QFile> out = Helper::openFileForWriting("regions.tsv");
        QTextStream outstream(out.data());
        outstream << "#region\tsize\tmedian_ncov\tmad_ncov\tcv_ncov\tcnvs" << endl;
        foreach(const ExonData& exon, exons)
        {
            outstream << exon.name << "\t" << (exon.end-exon.start) << "\t" << exon.median << "\t" << exon.mad  << "\t" << (exon.mad/exon.median) << "\t" << exon.cnvs << endl;
        }
    }

    void storeSampleCorrel(const QVector<SampleData>& data)
    {
		QSharedPointer<QFile> out = Helper::openFileForWriting("samples_correl_all.tsv");
        QTextStream outstream(out.data());
        outstream << "#sample\tdoc_mean\tref_correl\tqc" << endl;
        foreach(const SampleData& sample, data)
        {
            outstream << sample.name << "\t" << sample.doc_mean << "\t" << sample.ref_correl << "\t" << sample.qc << endl;
        }
    }

/// \brief Writes the network to file.
/// \param filename A string
/// If filename is nonempty, output is written to the file named filename.
/// If filename is empty, output is written to stdout.
/// The processes are not written to file, only the filenames of the original processes.
void network::save(const std::string& filename) const
{
  std::ofstream outstream(filename.c_str(), std::ofstream::out);
  if (!outstream)
  {
    throw mcrl2::runtime_error("cannot open output file: " + filename);
  }
  write(outstream);
  outstream.close();
}

    void storeSampleInfo(const QVector<SampleData>& data)
    {
		QSharedPointer<QFile> out = Helper::openFileForWriting("samples.tsv");
        QTextStream outstream(out.data());
        outstream << "#sample\tdoc_mean\tref_correl\tcnvs\tcnvs_merged" << endl;
        foreach(const SampleData& sample, data)
        {
            if (sample.qc!="") continue;
            outstream << sample.name << "\t" << sample.doc_mean << "\t" << sample.ref_correl << "\t" << sample.cnvs << "\t" << sample.cnvs_merged << endl;
        }
    }

QString dataController::addSection(QString sectionInfo) {
    QFile file("../ServerSide/Data/Sections.txt");
    if(!file.open(QIODevice::Append))
    {
        qDebug() << "error opening the Section data" << endl;
    }

    QTextStream outstream(&file);
    outstream<<sectionInfo;

    file.close();
    return("yay");
}