StringTool.cpp

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/*  This file is part of Charon.

    Charon 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 3 of the License, or
    (at your option) any later version.

    Charon 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 Charon.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "../include/charon-core/StringTool.h"
#include <sstream>
#include <algorithm>

std::string StringTool::trimRight(const std::string& s, const std::string& t) {
    std::string d(s);
    std::string::size_type i(d.find_last_not_of(t));
    if (i == std::string::npos)
        return "";
    else
        return d.erase(d.find_last_not_of(t) + 1);
}

std::string StringTool::trimLeft(const std::string& s, const std::string& t) {
    std::string d(s);
    return d.erase(0, s.find_first_not_of(t));
}

std::string StringTool::trim(const std::string& s, const std::string& t) {
    std::string d(s);
    return trimLeft(trimRight(d, t), t);
}

void StringTool::explode(std::string str, char delimiter,
        std::vector<std::string>& result) {
    std::istringstream strm(str);
    std::string p;
    while (std::getline(strm, p, delimiter)) {
        result.push_back(p);
    }
}

std::string StringTool::toLowerCase(std::string s) {
    transform(s.begin(), s.end(), s.begin(),
                (int(*)(int)) tolower);
    return s;
}

std::string StringTool::combine(std::vector<std::string> strings, char delim)
{
    std::string res="";
    for(size_t i=0;i<strings.size();i++)
    {
        res+=strings[i];
        if(i<strings.size()-1)
            res+=delim;
    }
    return res;
}