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IMemory.h

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00001 // vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=c:
00002 /*
00003  * Copyright (C) 2005 Dell Inc.
00004  *  by Michael Brown <Michael_E_Brown@dell.com>
00005  * Licensed under the Open Software License version 2.1 
00006  * 
00007  * Alternatively, you can redistribute it and/or modify 
00008  * it under the terms of the GNU General Public License as published 
00009  * by the Free Software Foundation; either version 2 of the License, 
00010  * or (at your option) any later version.
00011 
00012  * This program is distributed in the hope that it will be useful, but 
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of 
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
00015  * See the GNU General Public License for more details.
00016  */
00017 
00018 
00019 #ifndef IMEMORY_H
00020 #define IMEMORY_H
00021 
00022 // compat header should always be first header
00023 #include "smbios/compat.h"
00024 
00025 // types.h should be first user-defined header.
00026 #include "smbios/types.h"
00027 
00028 #include "smbios/IFactory.h"
00029 #include "smbios/IException.h"
00030 
00031 // abi_prefix should be last header included before declarations
00032 #include "smbios/config/abi_prefix.hpp"
00033 
00034 namespace memory
00035 {
00036 
00038 
00040     // Exception Classes
00041     DECLARE_EXCEPTION( MemoryException );
00042     DECLARE_EXCEPTION_EX( AccessError, memory, MemoryException );
00043     DECLARE_EXCEPTION_EX( OutOfBounds, memory, MemoryException );
00044 
00045     //forward declarations... defined 'for real' below...
00046     class IMemory;
00047 
00062     class MemoryFactory : public virtual factory::IFactory
00063     {
00064     public:
00066 
00076         static MemoryFactory *getFactory();
00077         virtual ~MemoryFactory() throw ();
00078 
00080 
00086         virtual IMemory *getSingleton() = 0;
00087 
00089 
00098         virtual IMemory *makeNew() = 0;
00099 
00100     protected:
00102         MemoryFactory();
00103     };
00104 
00105 
00106     class IMemory
00107     {
00108     public:
00109         // CONSTRUCTORS, DESTRUCTOR, and ASSIGNMENT
00110         // Interface class: no default or copy constructor
00111         IMemory();
00112         virtual ~IMemory ();
00113 
00114         virtual u8 getByte(u64 offset) const = 0;
00115         virtual void putByte(u64 offset, u8 value) const = 0;
00116         virtual void fillBuffer(u8 *buffer, u64 offset, unsigned int length) const = 0;
00117     private:
00118         void operator =(const IMemory &); 
00119         IMemory( const IMemory & ); 
00120     };
00121 
00122 }
00123 
00124 
00125 // always should be last thing in header file
00126 #include "smbios/config/abi_suffix.hpp"
00127 
00128 #endif  /* IMEMORY_H */

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