2006-10-10 21:40:33 +02:00
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/*
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* PROGRAM: JRD International support
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2006-10-11 18:05:10 +02:00
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* MODULE: Collation.h
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2006-10-10 21:40:33 +02:00
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* DESCRIPTION: International text handling definitions
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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 Nickolay Samofatov
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2004 Nickolay Samofatov <nickolay@broadviewsoftware.com>
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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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* 2006.10.10 Adriano dos Santos Fernandes - refactored from intl_classes.h
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*
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*/
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#ifndef JRD_COLLATION_H
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#define JRD_COLLATION_H
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#include "TextType.h"
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namespace Jrd {
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class Lock;
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class Collation : public TextType
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{
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public:
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static Collation* createInstance(MemoryPool& pool, TTYPE_ID id, texttype* tt, CharSet* cs);
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protected:
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2007-02-08 11:17:06 +01:00
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Collation(TTYPE_ID id, texttype *a_tt, CharSet* a_cs)
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: TextType(id, a_tt, a_cs),
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2006-10-10 21:40:33 +02:00
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useCount(0),
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existenceLock(NULL),
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obsolete(false)
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{
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}
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public:
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virtual bool matches(thread_db* tdbb, const UCHAR* a, SLONG b, const UCHAR* c, SLONG d) = 0;
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virtual bool sleuth_check(thread_db* tdbb, USHORT a, const UCHAR* b, SLONG c, const UCHAR* d, SLONG e) = 0;
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virtual ULONG sleuth_merge(thread_db* tdbb, const UCHAR* a, SLONG b, const UCHAR* c, SLONG d, UCHAR* e, SLONG f) = 0;
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virtual bool like(thread_db* tdbb, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl, const UCHAR* escape, SLONG escape_length) = 0;
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virtual LikeObject *like_create(thread_db* tdbb, const UCHAR* p, SLONG pl, const UCHAR* escape, SLONG escape_length) = 0;
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virtual bool contains(thread_db* tdbb, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl) = 0;
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virtual ContainsObject *contains_create(thread_db* tdbb, const UCHAR* p, SLONG pl) = 0;
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void destroy();
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void incUseCount(thread_db* tdbb);
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void decUseCount(thread_db* tdbb);
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public:
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int useCount;
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Lock* existenceLock;
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bool obsolete;
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};
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} // namespace Jrd
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#endif // JRD_COLLATION_H
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