75 lines
2.1 KiB
C++
75 lines
2.1 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_FILERD_HPP
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#define REXY_FILERD_HPP
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#include <cstdio> //FILE
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#include <cstddef> //size_t
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#include "string.hpp"
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#include "binary.hpp"
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#include "cx/utility.hpp"
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#include <type_traits>
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namespace rexy{
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//RAII wrapper for FILE*
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class filerd
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{
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private:
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FILE* m_fp = nullptr;
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public:
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constexpr filerd(void)noexcept = default;
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filerd(const char* f, const char* mode = "r")noexcept;
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filerd(const filerd&) = delete;
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constexpr filerd(filerd&& f)noexcept:
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m_fp(cx::exchange(f.m_fp, nullptr)){}
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~filerd(void)noexcept;
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filerd& operator=(const filerd&) = delete;
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constexpr filerd& operator=(filerd&& f)noexcept{
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cx::swap(m_fp, f.m_fp);
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return *this;
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}
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void reset(FILE* fp = nullptr)noexcept;
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FILE* release(void)noexcept;
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size_t length(void)noexcept;
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size_t position(void)const noexcept;
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void rewind(size_t pos = 0)noexcept;
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operator FILE*(void)noexcept;
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operator const FILE*(void)const noexcept;
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FILE* get(void)noexcept;
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const FILE* get(void)const noexcept;
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operator bool(void)const noexcept;
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size_t read(char* dest, size_t bytes)noexcept;
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rexy::string read(size_t bytes)noexcept;
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rexy::string readln(size_t max = 0)noexcept;
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rexy::binary read_bin(size_t bytes)noexcept(std::is_nothrow_constructible<rexy::binary, rexy::steal<char*>, size_t, size_t>::value);
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size_t write(const char* c, size_t bytes)noexcept;
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size_t write(const rexy::string_base&)noexcept;
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};
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}
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#endif
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