124 lines
4.5 KiB
C++
124 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
#ifndef _HASH_HXX
|
|
#define _HASH_HXX
|
|
|
|
#include <tools/ref.hxx>
|
|
#include <tools/string.hxx>
|
|
#include <vector>
|
|
|
|
class SvHashTable
|
|
{
|
|
UINT32 nMax; // size of hash-tabel
|
|
UINT32 nFill; // elements in hash-tabel
|
|
UINT32 lAsk; // number of requests
|
|
UINT32 lTry; // number of tries
|
|
protected:
|
|
BOOL Test_Insert( const void *, BOOL bInsert, UINT32 * pInsertPos );
|
|
|
|
// compare element with entry
|
|
virtual StringCompare Compare( const void * , UINT32 ) const = 0;
|
|
// get hash value from subclass
|
|
virtual UINT32 HashFunc( const void * ) const = 0;
|
|
public:
|
|
SvHashTable( UINT32 nMaxEntries );
|
|
virtual ~SvHashTable();
|
|
|
|
UINT32 GetMax() const { return nMax; }
|
|
|
|
virtual BOOL IsEntry( UINT32 ) const = 0;
|
|
};
|
|
|
|
class SvStringHashTable;
|
|
class SvStringHashEntry : public SvRefBase
|
|
{
|
|
friend class SvStringHashTable;
|
|
ByteString aName;
|
|
UINT32 nHashId;
|
|
ULONG nValue;
|
|
BOOL bHasId;
|
|
public:
|
|
SvStringHashEntry() : bHasId( FALSE ) {;}
|
|
SvStringHashEntry( const ByteString & rName, UINT32 nIdx )
|
|
: aName( rName )
|
|
, nHashId( nIdx )
|
|
, nValue( 0 )
|
|
, bHasId( TRUE ) {}
|
|
~SvStringHashEntry();
|
|
|
|
const ByteString & GetName() const { return aName; }
|
|
BOOL HasId() const { return bHasId; }
|
|
UINT32 GetId() const { return nHashId; }
|
|
|
|
void SetValue( ULONG n ) { nValue = n; }
|
|
ULONG GetValue() const { return nValue; }
|
|
|
|
BOOL operator == ( const SvStringHashEntry & rRef )
|
|
{ return nHashId == rRef.nHashId; }
|
|
BOOL operator != ( const SvStringHashEntry & rRef )
|
|
{ return ! operator == ( rRef ); }
|
|
SvStringHashEntry & operator = ( const SvStringHashEntry & rRef )
|
|
{ SvRefBase::operator=( rRef );
|
|
aName = rRef.aName;
|
|
nHashId = rRef.nHashId;
|
|
nValue = rRef.nValue;
|
|
bHasId = rRef.bHasId;
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
SV_DECL_IMPL_REF(SvStringHashEntry)
|
|
|
|
typedef ::std::vector< SvStringHashEntry* > SvStringHashList;
|
|
|
|
class SvStringHashTable : public SvHashTable
|
|
{
|
|
SvStringHashEntry* pEntries;
|
|
protected:
|
|
virtual UINT32 HashFunc( const void * pElement ) const;
|
|
virtual StringCompare Compare( const void * pElement, UINT32 nIndex ) const;
|
|
public:
|
|
SvStringHashTable( UINT32 nMaxEntries ); // max size of hash-tabel
|
|
virtual ~SvStringHashTable();
|
|
|
|
ByteString GetNearString( const ByteString & rName ) const;
|
|
virtual BOOL IsEntry( UINT32 nIndex ) const;
|
|
|
|
BOOL Insert( const ByteString & rStr, UINT32 * pHash ); // insert string
|
|
BOOL Test( const ByteString & rStr, UINT32 * pHash ) const; // test of insert string
|
|
SvStringHashEntry * Get ( UINT32 nIndex ) const; // return pointer to string
|
|
SvStringHashEntry & operator []( UINT32 nPos ) const
|
|
{ return pEntries[ nPos ]; }
|
|
|
|
void FillHashList( SvStringHashList * rList ) const;
|
|
};
|
|
|
|
#endif // _RSCHASH_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|