Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  NAS Reader
       5             :  * Purpose:  Declarations for OGR wrapper classes for NAS, and NAS<->OGR
       6             :  *           translation of geometry.
       7             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       8             :  *
       9             :  ******************************************************************************
      10             :  * Copyright (c) 2002, Frank Warmerdam
      11             :  *
      12             :  * Permission is hereby granted, free of charge, to any person obtaining a
      13             :  * copy of this software and associated documentation files (the "Software"),
      14             :  * to deal in the Software without restriction, including without limitation
      15             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      16             :  * and/or sell copies of the Software, and to permit persons to whom the
      17             :  * Software is furnished to do so, subject to the following conditions:
      18             :  *
      19             :  * The above copyright notice and this permission notice shall be included
      20             :  * in all copies or substantial portions of the Software.
      21             :  *
      22             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      23             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      24             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      25             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      26             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      27             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      28             :  * DEALINGS IN THE SOFTWARE.
      29             :  ****************************************************************************/
      30             : 
      31             : #ifndef OGR_NAS_H_INCLUDED
      32             : #define OGR_NAS_H_INCLUDED
      33             : 
      34             : #include "ogrsf_frmts.h"
      35             : #include "nasreaderp.h"
      36             : #include "ogr_api.h"
      37             : #include <vector>
      38             : 
      39             : class OGRNASDataSource;
      40             : 
      41             : /************************************************************************/
      42             : /*                            OGRNASLayer                               */
      43             : /************************************************************************/
      44             : 
      45             : class OGRNASLayer final : public OGRLayer
      46             : {
      47             :     OGRFeatureDefn *poFeatureDefn;
      48             : 
      49             :     int iNextNASId;
      50             : 
      51             :     OGRNASDataSource *poDS;
      52             : 
      53             :     GMLFeatureClass *poFClass;
      54             : 
      55             :   public:
      56             :     OGRNASLayer(const char *pszName, OGRNASDataSource *poDS);
      57             : 
      58             :     virtual ~OGRNASLayer();
      59             : 
      60             :     void ResetReading() override;
      61             :     OGRFeature *GetNextFeature() override;
      62             : 
      63             :     GIntBig GetFeatureCount(int bForce = TRUE) override;
      64             :     OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
      65             : 
      66           0 :     virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
      67             :                              int bForce) override
      68             :     {
      69           0 :         return OGRLayer::GetExtent(iGeomField, psExtent, bForce);
      70             :     }
      71             : 
      72          51 :     OGRFeatureDefn *GetLayerDefn() override
      73             :     {
      74          51 :         return poFeatureDefn;
      75             :     }
      76             : 
      77             :     int TestCapability(const char *) override;
      78             : };
      79             : 
      80             : /************************************************************************/
      81             : /*                           OGRNASDataSource                           */
      82             : /************************************************************************/
      83             : 
      84             : class OGRNASDataSource final : public OGRDataSource
      85             : {
      86             :     OGRLayer **papoLayers;
      87             :     int nLayers;
      88             : 
      89             :     char *pszName;
      90             : 
      91             :     OGRNASLayer *TranslateNASSchema(GMLFeatureClass *);
      92             : 
      93             :     // input related parameters.
      94             :     IGMLReader *poReader;
      95             : 
      96             :     void InsertHeader();
      97             : 
      98             :   public:
      99             :     OGRNASDataSource();
     100             :     ~OGRNASDataSource();
     101             : 
     102             :     int Open(const char *);
     103             :     int Create(const char *pszFile, char **papszOptions);
     104             : 
     105           0 :     const char *GetName() override
     106             :     {
     107           0 :         return pszName;
     108             :     }
     109             : 
     110           7 :     int GetLayerCount() override
     111             :     {
     112           7 :         return nLayers;
     113             :     }
     114             : 
     115             :     OGRLayer *GetLayer(int) override;
     116             : 
     117             :     int TestCapability(const char *) override;
     118             : 
     119          18 :     IGMLReader *GetReader()
     120             :     {
     121          18 :         return poReader;
     122             :     }
     123             : 
     124             :     void GrowExtents(OGREnvelope *psGeomBounds);
     125             : };
     126             : 
     127             : #endif /* OGR_NAS_H_INCLUDED */