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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: DbImplementation.h
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* DESCRIPTION: Database implementation
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*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Alexander Peshkoff
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2009 Alexander Peshkoff <peshkoff@mail.ru>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#include "../common/classes/fb_string.h"
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namespace Ods {
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struct header_page;
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}
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namespace Firebird {
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class DbImplementation
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{
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public:
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explicit DbImplementation(const Ods::header_page* h);
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DbImplementation (UCHAR p_cpu, UCHAR p_os, UCHAR p_cc, UCHAR p_flags)
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: di_cpu(p_cpu), di_os(p_os), di_cc(p_cc), di_flags(p_flags)
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{ }
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DbImplementation (UCHAR p_compatImpl);
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~DbImplementation() { }
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private:
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UCHAR di_cpu, di_os, di_cc, di_flags;
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public:
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const char* cpu() const;
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const char* os() const;
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const char* cc() const;
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const char* endianess() const;
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string implementation() const;
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bool compatible(const DbImplementation& v) const;
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void store(Ods::header_page* h) const;
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void stuff(UCHAR** info) const;
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static DbImplementation pick(const UCHAR* info);
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UCHAR backwardCompatibleImplementation() const;
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static DbImplementation fromBackwardCompatibleByte(UCHAR bcImpl);
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static const DbImplementation current;
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};
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} //namespace Firebird
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