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/*
* Copyright (C) 2007-2011 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/archive.h"
#include "bu/stream.h"
#include "bu/archival.h"
#include "bu/sio.h"
Bu::Archive::Archive( Stream &rStream, bool bLoading ) :
bLoading( bLoading ),
rStream( rStream ),
nNextID( 1 )
{
}
Bu::Archive::~Archive()
{
}
void Bu::Archive::write( const void *pData, size_t nSize )
{
if( nSize == 0 || pData == NULL )
return;
rStream.write( (const char *)pData, nSize );
}
void Bu::Archive::read( void *pData, size_t nSize )
{
if( nSize == 0 || pData == NULL )
return;
if( rStream.read( (char *)pData, nSize ) < nSize )
throw Bu::ExceptionBase("Insufficient data to unarchive object.");
}
void Bu::Archive::close()
{
rStream.close();
}
bool Bu::Archive::isLoading()
{
return bLoading;
}
uint32_t Bu::Archive::getID( const void *ptr )
{
if( hPtrID.has( (ptrdiff_t)ptr ) )
return hPtrID.get( (ptrdiff_t)ptr );
hPtrID.insert( (ptrdiff_t)ptr, nNextID );
return nNextID++;
}
void Bu::Archive::assocPtrID( void **ptr, uint32_t id )
{
if( hPtrID.has( id ) )
{
*ptr = (void *)hPtrID.get( id );
return;
}
if( !hPtrDest.has( id ) )
hPtrDest.insert( id, List<void **>() );
hPtrDest[id].getValue().append( ptr );
}
void Bu::Archive::readID( const void *ptr, uint32_t id )
{
hPtrID.insert( id, (ptrdiff_t)ptr );
if( hPtrDest.has( id ) )
{
Bu::List<void **> &l = hPtrDest.get( id );
for( Bu::List<void **>::iterator i = l.begin(); i != l.end(); i++ )
{
*(*i) = (void *)ptr;
}
hPtrDest.erase( id );
}
}
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