MilleBinary.cpp

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/*
 * MilleBinary.cpp
 *
 *  Created on: Aug 31, 2011
 *      Author: kleinwrt
 */

#include "MilleBinary.h"


MilleBinary::MilleBinary(const std::string fileName, unsigned int aSize) :
                binaryFile(fileName.c_str(), std::ios::binary | std::ios::out), intBuffer(), floatBuffer() {
        intBuffer.reserve(aSize);
        floatBuffer.reserve(aSize);
        intBuffer.push_back(0); // first word is error counter
        floatBuffer.push_back(0.);
}

MilleBinary::~MilleBinary() {
        binaryFile.close();
}


void MilleBinary::addData(float aMeas, float aErr,
                const std::vector<unsigned int> &indLocal,
                const std::vector<double> &derLocal, const std::vector<int> &labGlobal,
                const std::vector<double> &derGlobal) {

        intBuffer.push_back(0);
        floatBuffer.push_back(aMeas);
        for (unsigned int i = 0; i < indLocal.size(); ++i) {
                intBuffer.push_back(indLocal[i]);
                floatBuffer.push_back(derLocal[i]);
        }
        intBuffer.push_back(0);
        floatBuffer.push_back(aErr);
        for (unsigned int i = 0; i < labGlobal.size(); ++i) {
                if (derGlobal[i]) {
                        intBuffer.push_back(labGlobal[i]);
                        floatBuffer.push_back(derGlobal[i]);
                }
        }
}

void MilleBinary::writeRecord() {

        const int recordLength = intBuffer.size() * 2;
        binaryFile.write(reinterpret_cast<const char*>(&recordLength),
                        sizeof(recordLength));
        binaryFile.write(reinterpret_cast<char*>(&floatBuffer[0]),
                        floatBuffer.size() * sizeof(floatBuffer[0]));
        binaryFile.write(reinterpret_cast<char*>(&intBuffer[0]),
                        intBuffer.size() * sizeof(intBuffer[0]));
        // start with new record
        intBuffer.resize(1);
        floatBuffer.resize(1);
}