Program Listing for File stringutil.h¶
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// This file is part of the GAMer software.
// Copyright (C) 2016-2021
// by Christopher T. Lee and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>
// or write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
// Boston, MA 02111-1307 USA
#pragma once
#include <algorithm>
#include <cctype>
#include <functional>
#include <string>
#include <vector>
namespace gamer {
namespace stringutil {
inline std::vector<std::string> split(const std::string &cstr,
std::vector<char> delim = {' ', '\t'}) {
std::string s = cstr;
// convert all delims into delim[0]
for (int i = 1; i < delim.size(); ++i) {
std::replace(s.begin(), s.end(), delim[i], delim[0]);
}
std::vector<std::string> result;
auto begin = s.begin();
do {
auto end = begin;
while (*end != delim[0] && end != s.end())
end++;
if (end != begin)
result.push_back(std::string(begin, end));
begin = end;
} while (begin++ != s.end());
return result;
}
namespace stringutil_detail {
std::function<int(int)> isntspace = [](int c) -> int {
return !std::isspace(c);
};
} // namespace stringutil_detail
inline void ltrim(std::string &s) {
s.erase(s.begin(),
std::find_if(s.begin(), s.end(), stringutil_detail::isntspace));
}
inline void rtrim(std::string &s) {
s.erase(
std::find_if(s.rbegin(), s.rend(), stringutil_detail::isntspace).base(),
s.end());
}
inline void trim(std::string &s) {
ltrim(s);
rtrim(s);
}
} // end namespace stringutil
} // end namespace gamer