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53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/*
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* FileStream.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include <boost/iostreams/categories.hpp>
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#include <boost/iostreams/stream.hpp>
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class DLL_LINKAGE FileBuf
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{
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public:
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typedef char char_type;
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typedef struct category_ :
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boost::iostreams::seekable_device_tag,
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boost::iostreams::closable_tag
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{} category;
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FileBuf(const boost::filesystem::path& filename, std::ios_base::openmode mode);
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std::streamsize read(char* s, std::streamsize n);
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std::streamsize write(const char* s, std::streamsize n);
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std::streamoff seek(std::streamoff off, std::ios_base::seekdir way);
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void close();
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private:
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void* filePtr;
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};
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struct zlib_filefunc64_def_s;
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typedef zlib_filefunc64_def_s zlib_filefunc64_def;
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#ifdef VCMI_DLL
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extern template struct DLL_LINKAGE boost::iostreams::stream<FileBuf>;
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#endif
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class DLL_LINKAGE FileStream : public boost::iostreams::stream<FileBuf>
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{
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public:
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FileStream() = default;
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explicit FileStream(const boost::filesystem::path& p, std::ios_base::openmode mode = std::ios_base::in | std::ios_base::out)
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: boost::iostreams::stream<FileBuf>(p, mode) {}
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static bool CreateFile(const boost::filesystem::path& filename);
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static zlib_filefunc64_def* GetMinizipFilefunc();
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};
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