73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
/**
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This file is a part of rexy's general purpose library
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Copyright (C) 2020 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef REXY_BINARY_STRING_CONV_HPP
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#define REXY_BINARY_STRING_CONV_HPP
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#include "rexy/string.hpp"
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#include "rexy/binary.hpp"
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#include <cstring> //memcpy
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namespace rexy{
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template<class Al, class Str = rexy::string, detail::enable_if_concrete_string<Str> = 0>
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auto binary_to_string(const binary_data<Al>& b){
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Str s(b.size()+1);
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memcpy(s.get(), b.get(), b.size());
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s[b.size()] = 0;
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return s;
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}
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template<class Al, class Str = rexy::string, detail::enable_if_concrete_string<Str> = 0, std::enable_if_t<std::is_same<std::decay_t<Al>,typename Str::allocator_type>::value,int> = 0>
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auto binary_to_string(binary_data<Al>&& b){
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Str s;
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s.reset(b.get(), b.size());
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b.release();
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return s;
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}
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template<class Bin = rexy::binary, detail::enable_if_binary<Bin> = 0>
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auto string_to_binary(const string_base& s){
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Bin b(s.length()+1);
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b.append(s.get(), s.length()+1);
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return b;
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}
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template<class Al, class Bin = rexy::binary, detail::enable_if_binary<Bin> = 0, std::enable_if_t<std::is_same<std::decay_t<Al>,typename Bin::allocator_type>::value,int> = 0>
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auto string_to_binary(string_intermediary<Al>&& s){
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Bin b;
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b.reset(s.get(), s.length()+1);
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s.release();
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return b;
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}
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template<class L, class R, detail::enable_if_binary<L> = 0, detail::enable_if_concrete_string<R> = 0>
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decltype(auto) operator+=(L& l, R&& r){
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l.append(r.get(), r.length()+1);
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return l;
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}
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template<class L, class R, detail::enable_if_binary<L> = 0, detail::enable_if_string<R> = 0, std::enable_if_t<!detail::is_concrete_string<R>::value,int> = 0>
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decltype(auto) operator+=(L& l, R&& r){
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rexy::string concrete = r;
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return (l = concrete);
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}
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template<class L, class R, detail::enable_if_concrete_string<L> = 0, detail::enable_if_binary<R> = 0>
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decltype(auto) operator+=(L& l, R&& r){
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l.resize(l.length(), r.size() + 1);
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memcpy(l.get()+l.length()+1, r.get(), r.size());
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return l;
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}
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} //namespace rexy
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#endif
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