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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Computational Engine *
* *
* Copyright (c) 1999-2008, Ben Burton *
* For further details contact Ben Burton (bab@debian.org). *
* *
* 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 2 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, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
* MA 02110-1301, USA. *
* *
**************************************************************************/
/* end stub */
/* To be included from stringutils.h. */
#include <cctype>
namespace regina {
template <class OutputIterator>
unsigned basicTokenise(OutputIterator results, const std::string& str) {
std::string::size_type len = str.length();
std::string::size_type pos = 0;
// Skip initial whitespace.
while (pos < len && isspace(str[pos]))
pos++;
if (pos == len)
return 0;
// Extract each token.
std::string::size_type total = 0;
std::string::size_type tokStart;
while (pos < len) {
// Find the characters making up this token.
tokStart = pos;
while (pos < len && ! isspace(str[pos]))
pos++;
*results++ = str.substr(tokStart, pos - tokStart);
total++;
// Skip the subsequent whitespace.
while (pos < len && isspace(str[pos]))
pos++;
}
return total;
}
} // namespace regina
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