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/*
Copyright 2008 Brain Research Institute, Melbourne, Australia
Written by J-Donald Tournier, 27/06/08.
This file is part of MRtrix.
MRtrix 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.
MRtrix 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 MRtrix. If not, see <http://www.gnu.org/licenses/>.
*/
#include <fstream>
#include <glibmm/stringutils.h>
#include "file/key_value.h"
namespace MR {
namespace File {
void KeyValue::open (const String& file, const gchar* first_line)
{
filename.clear();
debug ("reading key/value file \"" + file + "\"...");
in.open (file.c_str(), std::ios::in | std::ios::binary);
if (!in) throw Exception ("failed to open key/value file \"" + file + "\": " + Glib::strerror(errno));
if (first_line) {
String sbuf;
getline (in, sbuf);
if (sbuf.compare (0, strlen (first_line), first_line)) {
in.close();
throw Exception ("invalid first line for key/value file \"" + file + "\" (expected \"" + first_line + "\")");
}
}
filename = file;
}
bool KeyValue::next ()
{
while (in.good()) {
String sbuf;
getline (in, sbuf);
if (in.bad()) throw Exception ("error reading key/value file \"" + filename + "\": " + Glib::strerror (errno));
sbuf = strip (sbuf.substr (0, sbuf.find_first_of ('#')));
if (sbuf == "END") {
in.setstate (std::ios::eofbit);
return (false);
}
if (sbuf.size()) {
size_t colon = sbuf.find_first_of (':');
if (colon == String::npos) info ("WARNING: malformed key/value entry (\"" + sbuf + "\") in file \"" + filename + "\" - ignored");
else {
K = strip (sbuf.substr (0, colon));
V = strip (sbuf.substr (colon+1));
if (K.empty() || V.empty()) info ("WARNING: malformed key/value entry (\"" + sbuf + "\") in file \"" + filename + "\" - ignored");
else return (true);
}
}
}
return (false);
}
}
}
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