80 lines
2.8 KiB
Plaintext
80 lines
2.8 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* HB_BTree class.
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*
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* Copyright 2002 April White <awhite@mail.rosecom.ca>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include "hbclass.ch"
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#include "common.ch"
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#include "hb_btree.ch"
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CLASS TBTree STATIC
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HIDDEN:
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DATA nHandle /* hb_btree handle */
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METHOD New( cFileName, nPageSize, nKeySize, nFlags, nBuffers )
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METHOD Open( cFileName, nFlags, nBuffers )
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EXPORTED:
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METHOD Close() INLINE hb_BTreeClose( ::nHandle )
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METHOD Insert( cKey, lData ) INLINE hb_BTreeInsert( ::nHandle, cKey, lData )
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METHOD Delete( cKey, lData ) INLINE hb_BTreeDelete( ::nHandle, cKey, lData )
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METHOD Key() INLINE hb_BTreeKey( ::nHandle )
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METHOD Data() INLINE hb_BTreeData( ::nHandle )
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METHOD GoTop() INLINE hb_BTreeGoTop( ::nHandle )
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METHOD GoBottom() INLINE hb_BTreeGoBottom( ::nHandle )
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METHOD Skip( nRecords ) INLINE hb_BTreeSkip( ::nHandle, nRecords )
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METHOD Seek( cKey, lData, lSoftSeek ) INLINE hb_BTreeSeek( ::nHandle, cKey, lData, lSoftSeek )
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METHOD Info( nIndex ) INLINE hb_BTreeInfo( ::nHandle, nIndex )
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ENDCLASS
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METHOD New( FileName, PageSize, KeySize, nFlags, Buffers ) CLASS TBTree
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::nHandle := hb_btreenew( FileName, PageSize, KeySize, nFlags, Buffers )
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if ::nHandle >= 1
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return SELF
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endif
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return NIL
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METHOD Open( FileName, nFlags, Buffers ) CLASS TBTree
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::nHandle := hb_btreeopen( FileName, nFlags, Buffers )
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if ::nHandle >= 1
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return SELF
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endif
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return NIL
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function TBTreeNew( FileName, PageSize, KeySize, nFlags, Buffers )
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return TBTree():New( FileName, PageSize, KeySize, nFlags, Buffers )
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function TBTreeOpen( FileName, nFlags, Buffers )
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return TBTree():Open( FileName, nFlags, Buffers )
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