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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* PROGRAM: Firebird interface.
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* MODULE: Interface.h
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* DESCRIPTION: Base class for all FB interfaces / plugins.
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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 Alex Peshkov
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2010 Alex Peshkov <peshkoff at 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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*
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*/
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#ifndef FB_COMMON_CLASSES_INTERFACE
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#define FB_COMMON_CLASSES_INTERFACE
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namespace Firebird {
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// Regular interface, typically returned by plugin or other interface
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class Interface
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{
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public:
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//virtual InterfaceBase* queryInterface() = 0;
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//virtual void addRef() = 0;
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virtual void release() = 0;
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protected:
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~Interface() { }
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};
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// Plugin - single static instance of each plugin is created when plugin library is loaded
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class Plugin
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{
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public:
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virtual const char* name() const = 0;
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virtual unsigned int type() const = 0;
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virtual unsigned int priority() const = 0;
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virtual void link(Plugin* chain) = 0;
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virtual Plugin* next() const = 0;
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static const unsigned int YValve = 1;
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static const unsigned int Provider = 2;
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// leave space for may be some more super-std plugins
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static const unsigned int AuthServer = 11;
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static const unsigned int AuthClient = 12;
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static const unsigned int UserManagement = 13;
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};
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} // namespace Firebird
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extern "C"
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{
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// additional API functions
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void ISC_EXPORT fb_register_plugin(Firebird::Plugin* plugin);
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Firebird::Plugin* ISC_EXPORT fb_query_plugin(unsigned int type, const char* name);
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}
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#endif // FB_COMMON_CLASSES_INTERFACE
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