54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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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.
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* See the 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 http://gnu.org/licenses
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*/
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#pragma once
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#include <cstddef>
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#include <filesystem>
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#include <memory>
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#include <streambuf>
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#include <string>
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#include <physfs.h>
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class CInputStreamBuffer : public std::streambuf
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{
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public:
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CInputStreamBuffer(std::size_t bufferSize = 512);
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virtual ~CInputStreamBuffer();
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CInputStreamBuffer(const CInputStreamBuffer &) = delete;
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CInputStreamBuffer &operator= (const CInputStreamBuffer &) = delete;
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void open(const std::filesystem::path &filename);
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void close();
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bool is_open();
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std::size_t size();
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private:
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int_type underflow() override;
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std::streampos seekpos(std::streampos sp, std::ios_base::openmode which) override;
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std::streampos seekoff(std::streamoff off, std::ios_base::seekdir way, std::ios_base::openmode which) override;
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const std::size_t m_bufferSize;
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PHYSFS_File *m_file;
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std::unique_ptr<char[]> m_buffer;
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};
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