bit7zlibrary.hpp

/*
 * bit7z - A C++ static library to interface with the 7-zip shared libraries.
 * Copyright (c) Riccardo Ostani - All Rights Reserved.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#ifndef BIT7ZLIBRARY_HPP
#define BIT7ZLIBRARY_HPP
 
#include "bitdefines.hpp"
#include "bitformat.hpp"
#include "bitsharedlibrary.hpp"
#include "bittypes.hpp"

struct IInArchive;
struct IOutArchive;
 
template< typename T >
class CMyComPtr;

namespace bit7z {

#ifdef __DOXYGEN__
constexpr auto kDefaultLibrary = "<platform-dependent value>";
#elif defined( _WIN32 )
constexpr auto kDefaultLibrary = BIT7Z_STRING( "7z.dll" );
#elif defined( __linux__ )
constexpr auto kDefaultLibrary = "/usr/lib/p7zip/7z.so"; // Default installation path of the p7zip shared library.
#else
constexpr auto kDefaultLibrary = "./7z.so";
#endif

class Bit7zLibrary final {
    public:
        Bit7zLibrary( const Bit7zLibrary& ) = delete;
 
        Bit7zLibrary( Bit7zLibrary&& ) = delete;
 
        auto operator=( const Bit7zLibrary& ) -> Bit7zLibrary& = delete;
 
        auto operator=( Bit7zLibrary&& ) -> Bit7zLibrary& = delete;

        explicit Bit7zLibrary( const tstring& libraryPath = kDefaultLibrary );

        ~Bit7zLibrary() = default;

        BIT7Z_DEPRECATED_MSG( "Since v4.1. Please use the useLargePages() method." )
        void setLargePageMode();

        void useLargePages() const;
 
    private:
        BitSharedLibrary mLibrary;
        LibrarySymbol mCreateObjectFunc;
 
        BIT7Z_NODISCARD
        auto initInArchive( const BitInFormat& format ) const -> CMyComPtr< IInArchive >;
 
        BIT7Z_NODISCARD
        auto initOutArchive( const BitInOutFormat& format ) const -> CMyComPtr< IOutArchive >;
 
        friend class BitInputArchive;
        friend class BitOutputArchive;
};
 
} // namespace bit7z
 
#endif // BIT7ZLIBRARY_HPP