72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/**
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This file is a part of rexy's matrix client
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Copyright (C) 2019 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 RAII_BINARY_STRING_CONV_HPP
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#define RAII_BINARY_STRING_CONV_HPP
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#include "raii/string.hpp"
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#include "raii/binary.hpp"
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namespace raii{
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template<class Al, class Str = raii::string, typename std::enable_if<raii::detail::is_concrete_string<Str>::value,void>::type* = nullptr>
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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 = raii::string, typename std::enable_if<raii::detail::is_concrete_string<Str>::value && std::is_same<typename std::decay<Al>::type,typename Str::allocator_type>::value,void>::type* = nullptr>
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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 = raii::binary, typename std::enable_if<raii::detail::is_binary_type<Bin>::value,void>::type* = nullptr>
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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 = raii::binary, typename std::enable_if<raii::detail::is_binary_type<Bin>::value && std::is_same<typename std::decay<Al>::type,typename Bin::allocator_type>::value,void>::type* = nullptr>
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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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}
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template<class L, class R, typename std::enable_if<raii::detail::is_binary_type<L>::value && raii::detail::is_concrete_string<R>::value,void>::type* = nullptr>
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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, typename std::enable_if<raii::detail::is_binary_type<L>::value && raii::detail::is_string<R>::value && !raii::detail::is_concrete_string<R>::value,void>::type* = nullptr>
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decltype(auto) operator+=(L& l, R&& r){
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raii::string concrete = r;
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return (l = concrete);
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}
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template<class L, class R, typename std::enable_if<raii::detail::is_concrete_string<L>::value && raii::detail::is_binary_type<R>::value,void>::type* = nullptr>
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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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#endif
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