/*
* src/util/misc.h
*
* Copyright (C) 2002-2007 Novamente LLC
* Copyright (C) 2008 by OpenCog Foundation
* All Rights Reserved
*
* Written by Thiago Maia <thiago@vettatech.com>
* Andre Senna <senna@vettalabs.com>
* Gustavo Gama <gama@vettalabs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License v3 as
* published by the Free Software Foundation and including the exceptions
* at http://opencog.org/wiki/Licenses
*
* 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 Affero General Public License
* along with this program; if not, write to:
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _OPENCOG_MISC_H
#define _OPENCOG_MISC_H
#include <iterator>
#include <functional>
#include <string>
#ifndef WIN32
#include <cxxabi.h>
#endif
namespace opencog
{
/** \addtogroup grp_cogutil
* @{
*/
/**
* Counts the number of bits in 1 in the given unsigned long argument.
*/
unsigned int bitcount(unsigned long n);
#ifndef WIN32
/// Demangle c++ function names.
std::string demangle(const std::string& mangled);
#endif
template <typename _OutputIterator>
void tokenize(const std::string& str,
_OutputIterator tokens,
const std::string& delimiters = " ")
{
// skip delimiters at beginning.
std::string::size_type lastPos = str.find_first_not_of(delimiters, 0);
// find first "non-delimiter".
std::string::size_type pos = str.find_first_of(delimiters, lastPos);
while (std::string::npos != pos || std::string::npos != lastPos) {
// found a token, add it to the vector.
*(tokens++) = str.substr(lastPos, pos - lastPos);
// skip delimiters. Note the "not_of"
lastPos = str.find_first_not_of(delimiters, pos);
// find next "non-delimiter"
pos = str.find_first_of(delimiters, lastPos);
}
}
/** @}*/
} // namespace opencog
#endif // _OPENCOG_MISC_H