bool FileCSV::read(TimeSeries &ts, int valuesColumn, int timeColumn)
{
if (!isOpen() ||
valuesColumn < 0 || valuesColumn >= (int)m_header.size() ||
timeColumn < 0 || timeColumn >= (int)m_header.size())
return false;
seekRow(0);
Row row;
ReadResult rr;
FL::TimeSeries::Data values, time;
while ( (rr = readRow(row)) == rrOK )
{
values.push_back(row[valuesColumn]);
time.push_back(row[timeColumn]);
}
ts.setData(values, time);
ts.header()[0] = m_header[valuesColumn];
ts.header()[1] = m_header[timeColumn];
return rr == rrEmpty;
}
bool FileCSV::save(const std::string &fileName, TimeSeries &ts)
{
std::ofstream file(fileName.c_str());
if (!file.is_open())
return false;
// Write header
for (unsigned int i = 0; i < ts.header().size(); ++i)
{
file << ts.header()[i];
if (i < ts.header().size() - 1)
file << m_separator;
}
// Write data
for (int row = 0; row < ts.size(); ++row)
{
file << std::endl << ts.time(row) << m_separator << ts.value(row);
}
file << std::endl;
file.close();
return true;
}