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//==============================================================================
//
// gpxcsvtrk - convert a csv file with lat,lon to a gpx trk file example
//
// Copyright (C) 2016 Dick van Oudheusden
//--
// 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 library; if not, write to the Free
// Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//==============================================================================
//-
// $Date: 2013-03-10 12:02:27 +0100 (Sun, 10 Mar 2013) $ $Revision: 5 $
//
//==============================================================================
//
#include <fstream>
#include <iostream>
#include <cstdlib>
#include <cctype>
#include "gpx/Node.h"
#include "gpx/GPX.h"
#include "gpx/Writer.h"
#include "gpx/ReportCerr.h"
using namespace std;
void trim(string &str)
{
size_t start = 0;
size_t end = str.length() - 1;
while ((start < str.length()) && (isspace(str[start])))
{
start++;
}
while ((end >= start) && (isspace(str[end])))
{
end--;
}
if (start <= end)
{
str = str.substr(start, end - start + 1);
}
else
{
str = "";
}
}
string parseLine(string &str)
{
size_t pos = 0;
string result;
while ((pos < str.length()) && (str[pos] != ','))
{
result += str[pos++];
}
if (pos >= str.length())
{
str = "";
}
else
{
str.erase(0, pos+1);
}
trim(result);
return result;
}
int main(int argc, char *argv[])
{
if ((argc < 3) || (argc > 4))
{
cerr << "Usage: gpxcsvtrk NAME FILE.csv [FILE.gpx]" << endl;
cerr << " Convert the lat,lon points in the comma-separated file to a gpx track file" << endl << endl;
exit(1);
}
ifstream input(argv[2]);
gpx::ReportCerr report;
if (!input.is_open())
{
cerr << "Unable to open: " << argv[1] << endl;
exit(1);
}
// Create the root node
gpx::GPX *root = new gpx::GPX();
root->add("xmlns", gpx::Node::ATTRIBUTE)->setValue("http://www.topografix.com/GPX/1/1"); // Some tools need this
root->version().add(&report)->setValue("1.1");
root->creator().add(&report)->setValue("gpxcsvtrk");
gpx::TRK *trk = dynamic_cast<gpx::TRK*>(root->trks().add(&report));
trk->name().add(&report)->setValue(argv[1]);
gpx::TRKSeg *trkseg = dynamic_cast<gpx::TRKSeg *>(trk->trksegs().add(&report));
string latitude;
string longitude;
while (!input.eof())
{
string line;
getline(input, line);
trim(line);
while (line.length() > 0)
{
if (longitude.length() == 0)
{
longitude = parseLine(line);
}
else if (latitude.length() == 0)
{
latitude = parseLine(line);
}
if ((latitude.length() > 0) && (longitude.length() > 0))
{
gpx::WPT *trkpt = dynamic_cast<gpx::WPT*>(trkseg->trkpts().add(&report));
trkpt->lat().add(&report)->setValue(latitude);
trkpt->lon().add(&report)->setValue(longitude);
latitude = "";
longitude = "";
}
}
}
input.close();
gpx::Writer writer;
if (argc == 3)
{
writer.write(cout, root, true);
}
else
{
ofstream stream(argv[3]);
if (stream.is_open())
{
writer.write(stream, root, true);
stream.close();
}
else
{
cerr << "File: " << argv[1] << " could not be created." << endl;
}
}
exit(0);
}