54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
|
|
* This file is part of the Colobot: Gold Edition source code
|
|
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
|
|
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see http://gnu.org/licenses
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <filesystem>
|
|
#include <memory>
|
|
#include <streambuf>
|
|
#include <string>
|
|
|
|
#include <physfs.h>
|
|
|
|
class CInputStreamBuffer : public std::streambuf
|
|
{
|
|
public:
|
|
CInputStreamBuffer(std::size_t bufferSize = 512);
|
|
virtual ~CInputStreamBuffer();
|
|
|
|
CInputStreamBuffer(const CInputStreamBuffer &) = delete;
|
|
CInputStreamBuffer &operator= (const CInputStreamBuffer &) = delete;
|
|
|
|
void open(const std::filesystem::path &filename);
|
|
void close();
|
|
bool is_open();
|
|
std::size_t size();
|
|
|
|
private:
|
|
int_type underflow() override;
|
|
|
|
std::streampos seekpos(std::streampos sp, std::ios_base::openmode which) override;
|
|
std::streampos seekoff(std::streamoff off, std::ios_base::seekdir way, std::ios_base::openmode which) override;
|
|
|
|
const std::size_t m_bufferSize;
|
|
PHYSFS_File *m_file;
|
|
std::unique_ptr<char[]> m_buffer;
|
|
};
|