143 lines
3.0 KiB
C++
143 lines
3.0 KiB
C++
/*
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* <Short Description>
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* Copyright (C) 2024 Brett Terpstra
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*
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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 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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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef BLT_FILESYSTEM_H
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#define BLT_FILESYSTEM_H
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#include <iosfwd>
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#include <sstream>
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#include <blt/fs/fwddecl.h>
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namespace blt::fs
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{
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/**
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* reader_t wrapper for fstream
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*/
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class fstream_reader_t final : public reader_t
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{
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public:
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explicit fstream_reader_t(std::istream& stream);
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explicit fstream_reader_t(fstream_reader_t& copy) = delete;
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fstream_reader_t& operator=(const fstream_reader_t& copy) = delete;
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i64 read(char* buffer, size_t bytes) override;
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private:
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std::istream* m_stream;
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};
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class fstream_writer_t final : public writer_t
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{
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public:
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explicit fstream_writer_t(std::ostream& stream);
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explicit fstream_writer_t(fstream_writer_t& copy) = delete;
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fstream_writer_t& operator=(const fstream_writer_t& copy) = delete;
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i64 write(const char* buffer, size_t bytes) override;
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void flush() override;
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virtual ~fstream_writer_t() override // NOLINT
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{
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flush();
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}
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private:
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std::ostream* m_stream;
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};
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class reader_wrapper_t final
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{
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public:
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explicit reader_wrapper_t(reader_t& reader): m_reader(&reader)
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{}
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template <typename T>
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void read(T& out)
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{
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if (!m_reader->read(reinterpret_cast<char*>(&out), sizeof(T)))
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throw std::runtime_error("Failed to read from reader");
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}
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template <typename T>
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friend reader_wrapper_t& operator>>(reader_wrapper_t& reader, T& t)
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{
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reader.read(t);
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return reader;
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}
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private:
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reader_t* m_reader;
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};
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class writer_wrapper_t final
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{
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public:
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explicit writer_wrapper_t(writer_t& writer): m_writer(&writer)
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{}
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template <typename T>
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void write(const T& t)
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{
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m_writer->write(reinterpret_cast<char*>(&t), sizeof(T));
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}
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template <typename T>
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friend writer_wrapper_t& operator<<(writer_wrapper_t& writer, const T& t)
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{
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writer.write(t);
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return writer;
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}
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private:
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writer_t* m_writer;
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};
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class writer_string_wrapper_t final
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{
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public:
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explicit writer_string_wrapper_t(writer_t& writer): m_writer(&writer)
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{}
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template <typename T>
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void write(const T& t)
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{
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std::stringstream ss;
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ss << t;
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const auto str = ss.str();
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m_writer->write(str.data(), str.size());
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}
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template <typename T>
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friend writer_string_wrapper_t& operator<<(writer_string_wrapper_t& writer, const T& t)
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{
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writer.write(t);
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return writer;
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}
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private:
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writer_t* m_writer;
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};
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}
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#endif //BLT_FILESYSTEM_H
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