forked from premiere/premiere-libtorrent
137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
/*
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Copyright (c) 2003, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_FILE_HPP_INCLUDED
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#define TORRENT_FILE_HPP_INCLUDED
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#include <memory>
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#include <string>
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#include <vector>
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#ifdef _MSC_VER
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#pragma warning(push, 1)
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#endif
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#include <boost/noncopyable.hpp>
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#include <boost/filesystem/path.hpp>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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#include "libtorrent/error_code.hpp"
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#include "libtorrent/size_type.hpp"
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#include "libtorrent/config.hpp"
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namespace libtorrent
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{
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namespace fs = boost::filesystem;
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class TORRENT_EXPORT file: public boost::noncopyable
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{
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public:
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class seek_mode
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{
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friend class file;
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private:
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seek_mode(int v): m_val(v) {}
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int m_val;
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};
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static const seek_mode begin;
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static const seek_mode end;
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class open_mode
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{
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friend class file;
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public:
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open_mode(): m_mask(0) {}
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open_mode operator|(open_mode m) const
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{ return open_mode(m.m_mask | m_mask); }
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open_mode operator&(open_mode m) const
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{ return open_mode(m.m_mask & m_mask); }
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open_mode operator|=(open_mode m)
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{
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m_mask |= m.m_mask;
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return *this;
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}
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bool operator==(open_mode m) const { return m_mask == m.m_mask; }
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bool operator!=(open_mode m) const { return m_mask != m.m_mask; }
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operator bool() const { return m_mask != 0; }
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private:
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open_mode(int val): m_mask(val) {}
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int m_mask;
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};
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static const open_mode in;
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static const open_mode out;
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file();
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file(fs::path const& p, open_mode m, error_code& ec);
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~file();
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bool open(fs::path const& p, open_mode m, error_code& ec);
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bool is_open() const;
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void close();
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bool set_size(size_type size, error_code& ec);
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size_type write(const char*, size_type num_bytes, error_code& ec);
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size_type read(char*, size_type num_bytes, error_code& ec);
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size_type seek(size_type pos, seek_mode m, error_code& ec);
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size_type tell(error_code& ec);
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private:
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#ifdef TORRENT_WINDOWS
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HANDLE m_file_handle;
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#else
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int m_fd;
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#endif
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#ifndef NDEBUG
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open_mode m_open_mode;
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#endif
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};
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}
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#endif // TORRENT_FILE_HPP_INCLUDED
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