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/******************************************************************************
*
* Purpose: Declaration of the VecSegIndex class.
*
* This class is used to manage a vector segment data block index. There
* will be two instances created, one for the record data (sec_record) and
* one for the vertices (sec_vert). This class is exclusively a private
* helper class for VecSegHeader.
*
******************************************************************************
* Copyright (c) 2009
* PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef __INCLUDE_SEGMENT_VECSEGDATAINDEX_H
#define __INCLUDE_SEGMENT_VECSEGDATAINDEX_H
#include "pcidsk_config.h"
#include "pcidsk_types.h"
#include "pcidsk_vectorsegment.h"
#include <map>
#include <vector>
namespace PCIDSK
{
class VecSegDataIndex
{
friend class CPCIDSKVectorSegment;
friend class VecSegHeader;
public:
VecSegDataIndex();
~VecSegDataIndex();
void Initialize( CPCIDSKVectorSegment *seg,
int section );
uint32 SerializedSize();
void SetDirty();
void Flush();
const std::vector<uint32> *GetIndex();
void AddBlockToIndex( uint32 block );
void VacateBlockRange( uint32 start, uint32 count );
uint32 GetSectionEnd();
void SetSectionEnd( uint32 new_size );
private:
CPCIDSKVectorSegment *vs;
int section;
uint32 offset_on_disk_within_section;
uint32 size_on_disk;
bool block_initialized;
uint32 block_count;
uint32 bytes;
std::vector<uint32> block_index;
bool dirty;
};
} // end namespace PCIDSK
#endif // __INCLUDE_SEGMENT_VECSEGDATAINDEX_H
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