78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/**
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This file is a part of rexy's matrix client
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Copyright (C) 2019-2020 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 RAII_RJP_STRING_HPP
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#define RAII_RJP_STRING_HPP
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#include <rjp.h>
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#include "raii/string_base.hpp"
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#include <utility> //exchange
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#include <cstdlib> //memcpy
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namespace raii{
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namespace detail{
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class rjp_allocator
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{
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public:
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static void free(void* data);
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static void* allocate(size_t size);
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static void* copy(const void* data, size_t len);
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};
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}
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//rjp allocated string
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struct rjp_string : public string_intermediary<detail::rjp_allocator>
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{
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rjp_string(const rjp_string&) = default;
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rjp_string(rjp_string&&) = default;
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rjp_string& operator=(const rjp_string&) = default;
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rjp_string& operator=(rjp_string&&) = default;
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using string_intermediary<detail::rjp_allocator>::string_intermediary;
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rjp_string(RJP_value* r):
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string_intermediary<detail::rjp_allocator>(r ? rjp_get_string(r)->value : nullptr,
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r ? rjp_get_string(r)->length : 0,
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r ? rjp_get_string(r)->length : 0)
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{
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if(r){
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RJP_string* str = rjp_get_string(r);
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str->value = nullptr;
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str->length = 0;
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rjp_set_null(r);
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}
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}
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using string_intermediary<detail::rjp_allocator>::operator=;
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rjp_string& operator=(RJP_value* r){
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if(!r)
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return *this;
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reset();
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RJP_string* str = rjp_get_string(r);
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m_data = std::exchange(str->value, nullptr);
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m_length = str->length;
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m_cap = str->length;
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str->length = 0;
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return *this;
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}
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};
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}
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#endif
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