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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <algorithm>
#include <limits>
#include "Utils.hpp"
namespace ousia {
std::string Utils::trim(const std::string &s)
{
size_t firstNonWhitespace = std::numeric_limits<size_t>::max();
size_t lastNonWhitespace = 0;
for (size_t i = 0; i < s.size(); i++) {
if (!isWhitespace(s[i])) {
firstNonWhitespace = std::min(i, firstNonWhitespace);
lastNonWhitespace = std::max(i, lastNonWhitespace);
}
}
if (firstNonWhitespace < lastNonWhitespace) {
return s.substr(firstNonWhitespace,
lastNonWhitespace - firstNonWhitespace + 1);
}
return std::string{};
}
bool Utils::isIdentifier(const std::string &name)
{
bool first = true;
for (char c : name) {
if (first && !(isAlphabetic(c) || c == '_')) {
return false;
}
if (first && !(isAlphanumeric(c) || c == '_' || c == '-')) {
return false;
}
first = false;
}
return true;
}
}
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