mirror of
https://github.com/FirebirdSQL/firebird.git
synced 2025-01-25 00:03:03 +01:00
2a01e4bcf9
Also some cleanups, the most important are: - meaningful ctor on Jrd::Lock, helping to avoid code dup - avoid unneeded h-file dependencies, making boot build engine dependent
95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
/*
|
|
* PROGRAM: JRD International support
|
|
* MODULE: Collation.h
|
|
* DESCRIPTION: International text handling definitions
|
|
*
|
|
* The contents of this file are subject to the Initial
|
|
* Developer's Public License Version 1.0 (the "License");
|
|
* you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
|
|
*
|
|
* Software distributed under the License is distributed AS IS,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing rights
|
|
* and limitations under the License.
|
|
*
|
|
* The Original Code was created by Nickolay Samofatov
|
|
* for the Firebird Open Source RDBMS project.
|
|
*
|
|
* Copyright (c) 2004 Nickolay Samofatov <nickolay@broadviewsoftware.com>
|
|
* and all contributors signed below.
|
|
*
|
|
* All Rights Reserved.
|
|
* Contributor(s): ______________________________________.
|
|
*
|
|
* 2006.10.10 Adriano dos Santos Fernandes - refactored from intl_classes.h
|
|
*
|
|
*/
|
|
|
|
#ifndef JRD_COLLATION_H
|
|
#define JRD_COLLATION_H
|
|
|
|
#include "../common/TextType.h"
|
|
|
|
|
|
namespace Jrd {
|
|
|
|
class Lock;
|
|
class BaseSubstringSimilarMatcher;
|
|
|
|
class Collation : public TextType
|
|
{
|
|
public:
|
|
static Collation* createInstance(MemoryPool& pool, TTYPE_ID id, texttype* tt, CharSet* cs);
|
|
|
|
protected:
|
|
Collation(TTYPE_ID id, texttype *a_tt, CharSet* a_cs)
|
|
: TextType(id, a_tt, a_cs),
|
|
useCount(0),
|
|
existenceLock(NULL),
|
|
obsolete(false)
|
|
{
|
|
}
|
|
|
|
public:
|
|
virtual bool matches(MemoryPool& pool, const UCHAR* a, SLONG b, const UCHAR* c, SLONG d) = 0;
|
|
virtual bool sleuthCheck(MemoryPool& pool, USHORT a, const UCHAR* b, SLONG c, const UCHAR* d, SLONG e) = 0;
|
|
virtual ULONG sleuthMerge(MemoryPool& pool, const UCHAR* a, SLONG b, const UCHAR* c, SLONG d,
|
|
UCHAR* e/*, SLONG f*/) = 0;
|
|
|
|
virtual bool starts(MemoryPool& pool, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl) = 0;
|
|
virtual PatternMatcher* createStartsMatcher(MemoryPool& pool, const UCHAR* p, SLONG pl) = 0;
|
|
|
|
virtual bool like(MemoryPool& pool, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl,
|
|
const UCHAR* escape, SLONG escapeLen) = 0;
|
|
virtual PatternMatcher* createLikeMatcher(MemoryPool& pool, const UCHAR* p, SLONG pl,
|
|
const UCHAR* escape, SLONG escapeLen) = 0;
|
|
|
|
virtual bool similarTo(MemoryPool& pool, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl,
|
|
const UCHAR* escape, SLONG escapeLen) = 0;
|
|
virtual PatternMatcher* createSimilarToMatcher(MemoryPool& pool, const UCHAR* p, SLONG pl,
|
|
const UCHAR* escape, SLONG escapeLen) = 0;
|
|
|
|
virtual BaseSubstringSimilarMatcher* createSubstringSimilarMatcher(MemoryPool& pool,
|
|
const UCHAR* p, SLONG pl, const UCHAR* escape, SLONG escapeLen) = 0;
|
|
|
|
virtual bool contains(MemoryPool& pool, const UCHAR* s, SLONG sl, const UCHAR* p, SLONG pl) = 0;
|
|
virtual PatternMatcher* createContainsMatcher(MemoryPool& pool, const UCHAR* p, SLONG pl) = 0;
|
|
|
|
void release(thread_db* tdbb);
|
|
void destroy(thread_db* tdbb);
|
|
void incUseCount(thread_db* tdbb);
|
|
void decUseCount(thread_db* tdbb);
|
|
|
|
public:
|
|
int useCount;
|
|
Lock* existenceLock;
|
|
bool obsolete;
|
|
};
|
|
|
|
} // namespace Jrd
|
|
|
|
|
|
#endif // JRD_COLLATION_H
|