void Append_file_to_file(char *inputPath, char *outputPath)
{
qint64 BUFFER_SIZE = 10*1024*1024;
qint64 buffer_len = 0;
QFile inputfile(inputPath);
if (!inputfile.open(QIODevice::ReadOnly))
return;
QFile outputfile(outputPath);
if (!outputfile.open(QIODevice::WriteOnly | QIODevice::Append))
return;
QDataStream inputstream(&inputfile);
QDataStream outputstream(&outputfile);
char* buffer = new char[BUFFER_SIZE];
while(!inputstream.atEnd())
{
buffer_len = inputstream.readRawData( buffer, BUFFER_SIZE );
outputstream.writeRawData( buffer, buffer_len );
}
inputfile.close();
outputfile.close();
delete[] buffer;
return;
}
void writeMatrixToCsv(Eigen::Matrix<T,Eigen::Dynamic,Eigen::Dynamic> paramMatrix,const std::string &path)
{
std::ofstream outputstream (path,std::ofstream::out); // 682
if(outputstream.is_open()) {
for(int i = 0; i < paramMatrix.rows(); i++) {
outputstream << paramMatrix(i,0);
for(int j = 1; j < 11; j++) {
outputstream << " " << j << ":" << paramMatrix(i,j);
}
outputstream << endl;
}
outputstream.close();
}
else {
cout << "Unable to write into CSV" << endl;
}
}
void Log::createLogFile(const std::string &path){
ofstream outputstream(path.c_str(), ios::app);
if (outputstream.is_open() ) {
m_logFile = path;
if (logCache.size() > 0 ) {
// writes the content of the cache into the new file
outputstream << logCache ;
// cleans the cache
logCache = string("");
}
outputstream.close ( );
} else {
if ( dbgLevel >= WMSLOG_WARNING ){
errMsg (WMS_WARNING,
"I/O error",
"unable to open the logfile: " + path ,
true);
m_logFile = "";
}
}
}
bool ControllerPresetFileHandler::writeDocument(QDomDocument root,
const QString fileName) const {
// Need to do this on Windows
QDir directory;
if (!directory.mkpath(fileName.left(fileName.lastIndexOf("/")))) {
return false;
}
// FIXME(XXX): This is not the right way to replace a file (O_TRUNCATE). The
// right thing to do is to create a temporary file, write the output to
// it. Delete the existing file, and then move the temporary file to the
// existing file's name.
QFile output(fileName);
if (!output.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
return false;
}
// Save the DOM to the XML file
QTextStream outputstream(&output);
root.save(outputstream, 4);
output.close();
return true;
}
