127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: BtreeDict.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: obo $ $Date: 2008-03-25 15:16:02 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _XMLSEARCH_DB_BTREEDICT_HXX_
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#define _XMLSEARCH_DB_BTREEDICT_HXX_
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#ifndef INCLUDED_STL_VECTOR
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#include <vector>
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#define INCLUDED_STL_VECTOR
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#endif
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#ifndef _RTL_USTRING_
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#include <rtl/ustring.hxx>
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#endif
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#ifndef _XMLSEARCH_EXCEP_XMLSEARCHEXCEPTIONS_HXX_
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#include <excep/XmlSearchExceptions.hxx>
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#endif
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#ifndef _XMLSEARCH_DB_BLOCKMANAGER_HXX_
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#include <db/BlockManager.hxx>
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#endif
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#ifndef _XMLSEARCH_DB_ENTRYPROCESSOR_HXX_
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#include <db/EntryProcessor.hxx>
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#endif
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#ifndef _XMLSEARCH_UTIL_INDEXACCESSOR_HXX_
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#include <util/IndexAccessor.hxx>
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#endif
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namespace xmlsearch {
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namespace db {
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class DictBlock;
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class DBEnv;
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class BtreeDict
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{
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public:
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static const sal_Int32 ENTHEADERLEN;
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static const sal_Int32 BLOCKSIZE;
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static const sal_Int32 HEADERLEN;
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static const sal_Int32 DATALEN;
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static const sal_Int32 nBlocksLimit;
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static const sal_Int32 MaxKeyLength;
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static const sal_Int32 lastPtrIndex; //!!! Careful with that number, Eugene
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BtreeDict( const xmlsearch::util::IndexAccessor& indexAccessor )
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throw( xmlsearch::excep::IOException );
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~BtreeDict();
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void lock( sal_Int32 blNum ) const throw( xmlsearch::excep::IllegalIndexException );
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void unlock( sal_Int32 blNum ) const throw( xmlsearch::excep::IllegalIndexException );
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bool isLocked( sal_Int32 blNum ) const throw( xmlsearch::excep::IllegalIndexException );
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const DictBlock* accessBlock( sal_Int32 id ) const;
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sal_Int32 fetch( const rtl::OUString& key ) const throw( xmlsearch::excep::XmlSearchException );
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rtl::OUString fetch( sal_Int32 conceptID ) const throw( xmlsearch::excep::XmlSearchException );
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std::vector< sal_Int32 > withPrefix( const rtl::OUString& prefix ) const throw( xmlsearch::excep::XmlSearchException );
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sal_Int32* get_blocks() const { return blocks_; }
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void test();
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private:
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mutable BlockManager blockManager_;
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sal_Int32 root_;
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sal_Int32 blocksL_;
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sal_Int32* blocks_;
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sal_Int32 find( const DictBlock* bl,
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const sal_Int8* key,
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sal_Int32 inputKeyLen ) const throw( xmlsearch::excep::XmlSearchException );
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sal_Int32 find( const DictBlock* bl,
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const sal_Int8* key,
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sal_Int32 inputKeyLen,
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sal_Int32 index ) const throw( xmlsearch::excep::XmlSearchException );
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const DictBlock* child( const DictBlock* bl,
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sal_Int32 index) const throw( xmlsearch::excep::XmlSearchException );
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rtl::OUString findID( sal_Int32 blNum,sal_Int32 id ) const throw( xmlsearch::excep::XmlSearchException );
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};
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}
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}
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#endif
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