GDAL
ogrlayerdecorator.h
00001 /******************************************************************************
00002  * $Id: ogrlayerdecorator.h 28601 2015-03-03 11:06:40Z 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 CPL_DLL 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( GIntBig nIndex );
00060     virtual OGRFeature *GetFeature( GIntBig nFID );
00061     virtual OGRErr      ISetFeature( OGRFeature *poFeature );
00062     virtual OGRErr      ICreateFeature( OGRFeature *poFeature );
00063     virtual OGRErr      DeleteFeature( GIntBig nFID );
00064 
00065     virtual const char *GetName();
00066     virtual OGRwkbGeometryType GetGeomType();
00067     virtual OGRFeatureDefn *GetLayerDefn();
00068 
00069     virtual OGRSpatialReference *GetSpatialRef();
00070 
00071     virtual GIntBig     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     virtual OGRErr      CreateField( OGRFieldDefn *poField,
00078                                      int bApproxOK = TRUE );
00079     virtual OGRErr      DeleteField( int iField );
00080     virtual OGRErr      ReorderFields( int* panMap );
00081     virtual OGRErr      AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags );
00082 
00083     virtual OGRErr      SyncToDisk();
00084 
00085     virtual OGRStyleTable *GetStyleTable();
00086     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
00087 
00088     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
00089 
00090     virtual OGRErr      StartTransaction();
00091     virtual OGRErr      CommitTransaction();
00092     virtual OGRErr      RollbackTransaction();
00093 
00094     virtual const char *GetFIDColumn();
00095     virtual const char *GetGeometryColumn();
00096 
00097     virtual OGRErr      SetIgnoredFields( const char **papszFields );
00098 
00099     virtual char      **GetMetadata( const char * pszDomain = "" );
00100     virtual CPLErr      SetMetadata( char ** papszMetadata,
00101                                      const char * pszDomain = "" );
00102     virtual const char *GetMetadataItem( const char * pszName,
00103                                          const char * pszDomain = "" );
00104     virtual CPLErr      SetMetadataItem( const char * pszName,
00105                                          const char * pszValue,
00106                                          const char * pszDomain = "" );
00107 
00108     OGRLayer* GetBaseLayer()    { return m_poDecoratedLayer; }
00109 };
00110 
00111 #endif // _OGRLAYERDECORATOR_H_INCLUDED

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