bool readFile(vv::Matrix& matrixToFill)
{
clearFileStream();
filestream = new std::ifstream(file_path.c_str());
if (not filestream->good() or not filestream->is_open()) {
throw vu::ArgError(vle::fmt("vle.reader: fails to topen %1% ") %
file_path);
}
matrixToFill.clear();
//read the first line to get the number of columns
std::string line;
std::getline(*filestream, line);
std::vector<std::string> strs;
boost::split(strs,line,boost::is_any_of("\t"));
//build parser parameter
vle_reader_params p;
p.separator.assign("\t");
for (unsigned int i=0; i < strs.size(); i++) {
if (not strs[i].empty()) {
p.col_types.push_back(vv::Value::DOUBLE);
}
}
TFR_matrix_tofill tofill(p, matrixToFill);
matrixToFill.addRow();
for (unsigned int i=0; i < strs.size(); i++) {
if (not strs[i].empty()) {
boost::replace_all(strs[i], "\"", "");
boost::replace_all(strs[i], "#", "");
matrixToFill.set(i,0, new vv::String(strs[i]));
}
}
TFR_line_grammar g(p, tofill);
tofill.nextRow();
do {
parseLine(g,line);
tofill.nextRow();
} while (not filestream->eof() and filestream->good());
clearFileStream();
return true;
}
