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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: Block.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-09 12:16:40 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _RTL_MEMORY_H_
#include <rtl/memory.h>
#endif
#ifndef _XMLSEARCH_DB_BLOCK_HXX_
#include <db/Block.hxx>
#endif
#ifndef _XMLSEARCH_UTIL_RANDOMACCESSSTREAM_HXX_
#include <util/RandomAccessStream.hxx>
#endif
#ifndef _XMLSEARCH_DB_DBENV_HXX_
#include <db/DBEnv.hxx>
#endif
using namespace xmlsearch;
using namespace xmlsearch::db;
/******************************************************************************/
/* */
/* Block */
/* */
/******************************************************************************/
Block::Block( const DBEnv* dbenv )
: dbenv_( dbenv ),
isLeaf_( true ),
free_( 0 ),
num_( 0 ),
dataL_( dbenv->getDataLen() ),
data_( new sal_Int8[ dbenv->getDataLen() ] )
{
rtl_zeroMemory( data_,dataL_ );
}
Block::~Block()
{
delete[] data_;
}
void Block::read( util::RandomAccessStream* in )
{
sal_Int8 buffer[4];
in->readBytes( buffer,4 );
num_ = getInteger_( buffer );
in->readBytes( buffer,4 );
sal_Int32 twoFields = getInteger_( buffer );
isLeaf_ = ( twoFields & 0x80000000 ) != 0;
free_ = twoFields & 0x7FFFFFFF;
in->readBytes( data_,dbenv_->getDataLen() );
}
void Block::write( util::RandomAccessStream* out ) const
{
out->writeBytes( (sal_Int8*)(&num_),4 );
sal_Int32 twoFields = ( free_ | ( isLeaf_ ? 0x80000000 : 0 ) );
out->writeBytes( (sal_Int8*)(&twoFields),4 );
out->writeBytes( data_,dbenv_->getDataLen() );
}
void Block::setInteger( sal_Int32 i,sal_Int32 value ) throw( excep::IllegalIndexException )
{
if( i < 0 || dbenv_->getDataLen() <= i )
throw excep::IllegalIndexException(
rtl::OUString::createFromAscii( "Block::setInteger -> index out of range" ) );
::setInteger_( &data_[i],value );
}
sal_Int32 Block::getInteger( sal_Int32 i ) const throw( excep::IllegalIndexException )
{
if( i < 0 || dbenv_->getDataLen() <= i )
throw excep::IllegalIndexException(
rtl::OUString::createFromAscii( "Block::setInteger -> index out of range" ) );
sal_Int32 ret = ::getInteger_( &data_[i] );
return ret;
}
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