83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
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#include "inputcsv.hh"
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#include <boost/tokenizer.hpp>
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#include <boost/lexical_cast.hpp>
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#include <iostream>
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using namespace std ;
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using namespace boost ;
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/*** Constructeurs ***/
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InputCSV::InputCSV(const string &filename)
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{
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input_file_name = filename ;
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input_file.open(input_file_name.c_str()) ;
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if (! input_file)
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cerr
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<< "InputCSV(): Error opening input file « " << input_file_name
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<< " »!" << endl ;
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}
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/*** Opérations ***/
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const Measurement& InputCSV::get_next_measurement()
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{
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if (! input_file)
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return current_measurement ;
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string line ;
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// Skipping blank lines
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do
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{
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++current_line ;
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getline(input_file, line) ;
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}
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while (! input_file.eof()
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&& line.find_first_not_of(" \t") == string::npos) ;
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if (input_file.eof())
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{
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// End of file reached: blank current measurement
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current_measurement.clear() ;
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return current_measurement ;
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}
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// Split read string into fields (semicolon-separated)
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tokenizer<escaped_list_separator<char> > tok(
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line, escaped_list_separator<char>('\\', ';', '\"')) ;
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vector<int> ss_list ;
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for (tokenizer<escaped_list_separator<char> >::iterator i(tok.begin()) ;
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i != tok.end() ; ++i)
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{
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try
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{
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ss_list.push_back(lexical_cast<int>(*i)) ;
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}
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catch (bad_lexical_cast &e)
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{
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cerr
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<< "InputCSV::getNextMeasurement(): Bad value at line "
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<< current_line
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<< " of input file « " << input_file_name << " »!"
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<< endl ;
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current_measurement.clear() ; // Blank current measurement
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return current_measurement ;
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}
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}
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current_measurement.set_ss_list(ss_list) ;
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return current_measurement ;
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}
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