#pragma once
#include <sstream>
#include <string>
#include <vector>

namespace gllang
{
    std::string& ltrim(std::string& str, const std::string& chars = "\t\n\v\f\r ")
    {
        str.erase(0, str.find_first_not_of(chars));
        return str;
    }

    std::string& rtrim(std::string& str, const std::string& chars = "\t\n\v\f\r ")
    {
        str.erase(str.find_last_not_of(chars) + 1);
        return str;
    }

    std::string& trim(std::string& str, const std::string& chars = "\t\n\v\f\r ")
    {
        return ltrim(rtrim(str, chars), chars);
    }

    std::string replace(std::string& str, std::string const& find, std::string const& replace_to)
    {
        return str.replace(str.find(find), find.length(), replace_to);
    }

    std::vector<std::string> split(std::string const& str, char const& to_split)
    {
        std::istringstream thread_string(str);
        std::string result_string;
        std::vector<std::string> result_split;

        while (std::getline(thread_string, result_string, to_split))
            result_split.push_back(result_string);
        return result_split;
    }

    std::vector<std::string> space_split(std::string const& str)
    {
        std::istringstream thread_string(str);
        std::string result_string;
        std::vector<std::string> result_split;

        while (std::getline(thread_string, result_string, ' '))
            result_split.push_back(result_string);
        return result_split;
    }

    std::vector<std::string> remove_emptiness(std::vector<std::string> base)
    {
        for (size_t i = 0; i < base.size() - 1; ++i)
            if (base[i].empty())
                base.erase(base.begin() + i);

        return base;
    }

    std::vector<std::string> remove_trim(std::vector<std::string> base)
    {
        for (size_t i = 0; i < base.size() - 1; ++i)
            gllang::trim(base[i]);

        return base;
    }

} // ngllang