Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  OpenGIS Simple Features Reference Implementation
       5             :  * Purpose:  Private definitions for OGR/VFK driver.
       6             :  * Author:   Martin Landa, landa.martin gmail.com
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2009-2010, Martin Landa <landa.martin gmail.com>
      10             :  *
      11             :  * Permission is hereby granted, free of charge, to any person
      12             :  * obtaining a copy of this software and associated documentation
      13             :  * files (the "Software"), to deal in the Software without
      14             :  * restriction, including without limitation the rights to use, copy,
      15             :  * modify, merge, publish, distribute, sublicense, and/or sell copies
      16             :  * of the Software, and to permit persons to whom the Software is
      17             :  * furnished to do so, subject to the following conditions:
      18             :  *
      19             :  * The above copyright notice and this permission notice shall be
      20             :  * included in all copies or substantial portions of the Software.
      21             :  *
      22             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
      23             :  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
      24             :  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
      25             :  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
      26             :  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
      27             :  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
      28             :  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      29             :  * SOFTWARE.
      30             :  ****************************************************************************/
      31             : 
      32             : #ifndef GDAL_OGR_VFK_H_INCLUDED
      33             : #define GDAL_OGR_VFK_H_INCLUDED
      34             : 
      35             : #include <map>
      36             : #include <string>
      37             : 
      38             : #include "ogrsf_frmts.h"
      39             : #include "vfkreader.h"
      40             : 
      41             : class OGRVFKDataSource;
      42             : 
      43             : /************************************************************************/
      44             : /*                            OGRVFKLayer                               */
      45             : /************************************************************************/
      46             : 
      47             : class OGRVFKLayer : public OGRLayer
      48             : {
      49             :   private:
      50             :     /* spatial reference */
      51             :     OGRSpatialReference *poSRS;
      52             : 
      53             :     /* feature definition */
      54             :     OGRFeatureDefn *poFeatureDefn;
      55             : 
      56             :     /* VFK data block */
      57             :     IVFKDataBlock *poDataBlock;
      58             : 
      59             :     /* get next feature */
      60             :     int m_iNextFeature;
      61             : 
      62             :     /* private methods */
      63             :     static const OGRGeometry *GetGeometry(IVFKFeature *);
      64             :     OGRFeature *GetFeature(IVFKFeature *);
      65             : 
      66             :   public:
      67             :     OGRVFKLayer(const char *, OGRSpatialReference *, OGRwkbGeometryType,
      68             :                 OGRVFKDataSource *);
      69             :     ~OGRVFKLayer();
      70             : 
      71             :     OGRFeature *GetNextFeature() override;
      72             :     OGRFeature *GetFeature(GIntBig) override;
      73             : 
      74        9479 :     OGRFeatureDefn *GetLayerDefn() override
      75             :     {
      76        9479 :         return poFeatureDefn;
      77             :     }
      78             : 
      79             :     void ResetReading() override;
      80             : 
      81             :     int TestCapability(const char *) override;
      82             : 
      83             :     GIntBig GetFeatureCount(int = TRUE) override;
      84             : };
      85             : 
      86             : /************************************************************************/
      87             : /*                           OGRVFKDataSource                           */
      88             : /************************************************************************/
      89             : class OGRVFKDataSource : public OGRDataSource
      90             : {
      91             :   private:
      92             :     /* list of available layers */
      93             :     OGRVFKLayer **papoLayers;
      94             :     int nLayers;
      95             : 
      96             :     char *pszName;
      97             : 
      98             :     /* input related parameters */
      99             :     IVFKReader *poReader;
     100             : 
     101             :     /* private methods */
     102             :     OGRVFKLayer *CreateLayerFromBlock(const IVFKDataBlock *);
     103             : 
     104             :   public:
     105             :     OGRVFKDataSource();
     106             :     ~OGRVFKDataSource();
     107             : 
     108             :     int Open(GDALOpenInfo *poOpenInfo);
     109             : 
     110           0 :     const char *GetName() override
     111             :     {
     112           0 :         return pszName;
     113             :     }
     114             : 
     115         160 :     int GetLayerCount() override
     116             :     {
     117         160 :         return nLayers;
     118             :     }
     119             : 
     120             :     OGRLayer *GetLayer(int) override;
     121             : 
     122             :     int TestCapability(const char *) override;
     123             : 
     124         976 :     IVFKReader *GetReader() const
     125             :     {
     126         976 :         return poReader;
     127             :     }
     128             : };
     129             : 
     130             : #endif  // GDAL_OGR_VFK_H_INCLUDED