ogrlayerdecorator.h

00001 /******************************************************************************
00002  * $Id: ogrlayerdecorator.h 27044 2014-03-16 23:41:27Z rouault $
00003  *
00004  * Project:  OpenGIS Simple Features Reference Implementation
00005  * Purpose:  Defines OGRLayerDecorator class
00006  * Author:   Even Rouault, even dot rouault at mines dash paris dot org
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2012-2013, Even Rouault <even dot rouault at mines-paris dot org>
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ****************************************************************************/
00029 
00030 #ifndef _OGRLAYERDECORATOR_H_INCLUDED
00031 #define _OGRLAYERDECORATOR_H_INCLUDED
00032 
00033 #include "ogrsf_frmts.h"
00034 
00035 class OGRLayerDecorator : public OGRLayer
00036 {
00037   protected:
00038     OGRLayer *m_poDecoratedLayer;
00039     int       m_bHasOwnership;
00040 
00041   public:
00042 
00043                        OGRLayerDecorator(OGRLayer* poDecoratedLayer,
00044                                          int bTakeOwnership);
00045     virtual           ~OGRLayerDecorator();
00046 
00047     virtual OGRGeometry *GetSpatialFilter();
00048     virtual void        SetSpatialFilter( OGRGeometry * );
00049     virtual void        SetSpatialFilterRect( double dfMinX, double dfMinY,
00050                                               double dfMaxX, double dfMaxY );
00051     virtual void        SetSpatialFilter( int iGeomField, OGRGeometry * );
00052     virtual void        SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
00053                                               double dfMaxX, double dfMaxY );
00054 
00055     virtual OGRErr      SetAttributeFilter( const char * );
00056 
00057     virtual void        ResetReading();
00058     virtual OGRFeature *GetNextFeature();
00059     virtual OGRErr      SetNextByIndex( long nIndex );
00060     virtual OGRFeature *GetFeature( long nFID );
00061     virtual OGRErr      SetFeature( OGRFeature *poFeature );
00062     virtual OGRErr      CreateFeature( OGRFeature *poFeature );
00063     virtual OGRErr      DeleteFeature( long nFID );
00064 
00065     virtual const char *GetName();
00066     virtual OGRwkbGeometryType GetGeomType();
00067     virtual OGRFeatureDefn *GetLayerDefn();
00068 
00069     virtual OGRSpatialReference *GetSpatialRef();
00070 
00071     virtual int         GetFeatureCount( int bForce = TRUE );
00072     virtual OGRErr      GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE);
00073     virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00074 
00075     virtual int         TestCapability( const char * );
00076 
00077     /* Deprecated (and un-implemented method) --> we won't decorate it ! */
00078     /* virtual const char *GetInfo( const char * ); */
00079 
00080     virtual OGRErr      CreateField( OGRFieldDefn *poField,
00081                                      int bApproxOK = TRUE );
00082     virtual OGRErr      DeleteField( int iField );
00083     virtual OGRErr      ReorderFields( int* panMap );
00084     virtual OGRErr      AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );
00085 
00086     virtual OGRErr      SyncToDisk();
00087 
00088     virtual OGRStyleTable *GetStyleTable();
00089     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
00090 
00091     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
00092 
00093     virtual OGRErr      StartTransaction();
00094     virtual OGRErr      CommitTransaction();
00095     virtual OGRErr      RollbackTransaction();
00096 
00097     virtual const char *GetFIDColumn();
00098     virtual const char *GetGeometryColumn();
00099 
00100     virtual OGRErr      SetIgnoredFields( const char **papszFields );
00101 
00102     OGRLayer* GetBaseLayer()    { return m_poDecoratedLayer; }
00103 };
00104 
00105 #endif // _OGRLAYERDECORATOR_H_INCLUDED

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