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//
// Copyright 2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <uhd/utils/csv.hpp>
#include <boost/foreach.hpp>
using namespace uhd;
csv::rows_type csv::to_rows(std::istream &input){
csv::rows_type rows;
std::string line;
//for each line in the input stream
while (std::getline(input, line)){
csv::row_type row(1, "");
bool in_quote = false;
char last_ch, next_ch = ' ';
//for each character in the line
BOOST_FOREACH(char ch, line){
last_ch = next_ch;
next_ch = ch;
//catch a quote character and change the state
//we handle double quotes by checking last_ch
if (ch == '"'){
in_quote = not in_quote;
if (last_ch != '"') continue;
}
//a comma not inside quotes is a column delimiter
if (not in_quote and ch == ','){
row.push_back("");
continue;
}
//if we got here we record the character
row.back() += ch;
}
rows.push_back(row);
}
return rows;
}
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