Line data    Source code

       1             : /******************************************************************************
       2             :  * $Id$
       3             :  *
       4             :  * Project:  Idrisi Translator
       5             :  * Purpose:  Definition of classes for OGR Idrisi driver.
       6             :  * Author:   Even Rouault, even dot rouault at spatialys.com
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2011-2012, Even Rouault <even dot rouault at spatialys.com>
      10             :  *
      11             :  * Permission is hereby granted, free of charge, to any person obtaining a
      12             :  * copy of this software and associated documentation files (the "Software"),
      13             :  * to deal in the Software without restriction, including without limitation
      14             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15             :  * and/or sell copies of the Software, and to permit persons to whom the
      16             :  * Software is furnished to do so, subject to the following conditions:
      17             :  *
      18             :  * The above copyright notice and this permission notice shall be included
      19             :  * in all copies or substantial portions of the Software.
      20             :  *
      21             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27             :  * DEALINGS IN THE SOFTWARE.
      28             :  ****************************************************************************/
      29             : 
      30             : #ifndef OGR_IDRISI_H_INCLUDED
      31             : #define OGR_IDRISI_H_INCLUDED
      32             : 
      33             : #include "ogrsf_frmts.h"
      34             : 
      35             : /************************************************************************/
      36             : /*                         OGRIdrisiLayer                               */
      37             : /************************************************************************/
      38             : 
      39             : class OGRIdrisiLayer final : public OGRLayer,
      40             :                              public OGRGetNextFeatureThroughRaw<OGRIdrisiLayer>
      41             : {
      42             :   protected:
      43             :     OGRFeatureDefn *poFeatureDefn;
      44             :     OGRSpatialReference *poSRS;
      45             :     OGRwkbGeometryType eGeomType;
      46             : 
      47             :     VSILFILE *fp;
      48             :     VSILFILE *fpAVL;
      49             :     bool bEOF;
      50             : 
      51             :     int nNextFID;
      52             : 
      53             :     bool bExtentValid;
      54             :     double dfMinX;
      55             :     double dfMinY;
      56             :     double dfMaxX;
      57             :     double dfMaxY;
      58             : 
      59             :     unsigned int nTotalFeatures;
      60             : 
      61             :     bool Detect_AVL_ADC(const char *pszFilename);
      62             :     void ReadAVLLine(OGRFeature *poFeature);
      63             : 
      64             :     OGRFeature *GetNextRawFeature();
      65             : 
      66             :   public:
      67             :     OGRIdrisiLayer(const char *pszFilename, const char *pszLayerName,
      68             :                    VSILFILE *fp, OGRwkbGeometryType eGeomType,
      69             :                    const char *pszWTKString);
      70             :     virtual ~OGRIdrisiLayer();
      71             : 
      72             :     virtual void ResetReading() override;
      73          10 :     DEFINE_GET_NEXT_FEATURE_THROUGH_RAW(OGRIdrisiLayer)
      74             : 
      75          11 :     virtual OGRFeatureDefn *GetLayerDefn() override
      76             :     {
      77          11 :         return poFeatureDefn;
      78             :     }
      79             : 
      80             :     virtual int TestCapability(const char *) override;
      81             : 
      82             :     void SetExtent(double dfMinX, double dfMinY, double dfMaxX, double dfMaxY);
      83             :     virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
      84             : 
      85           3 :     virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
      86             :                              int bForce) override
      87             :     {
      88           3 :         return OGRLayer::GetExtent(iGeomField, psExtent, bForce);
      89             :     }
      90             : 
      91             :     virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
      92             : };
      93             : 
      94             : /************************************************************************/
      95             : /*                        OGRIdrisiDataSource                           */
      96             : /************************************************************************/
      97             : 
      98             : class OGRIdrisiDataSource final : public OGRDataSource
      99             : {
     100             :     char *pszName;
     101             : 
     102             :     OGRLayer **papoLayers;
     103             :     int nLayers;
     104             : 
     105             :   public:
     106             :     OGRIdrisiDataSource();
     107             :     virtual ~OGRIdrisiDataSource();
     108             : 
     109             :     int Open(const char *pszFilename);
     110             : 
     111           3 :     virtual const char *GetName() override
     112             :     {
     113           3 :         return pszName;
     114             :     }
     115             : 
     116           0 :     virtual int GetLayerCount() override
     117             :     {
     118           0 :         return nLayers;
     119             :     }
     120             : 
     121             :     virtual OGRLayer *GetLayer(int) override;
     122             : 
     123             :     virtual int TestCapability(const char *) override;
     124             : };
     125             : 
     126             : /************************************************************************/
     127             : /*                         OGRIdrisiDriver                              */
     128             : /************************************************************************/
     129             : 
     130             : class OGRIdrisiDriver final : public OGRSFDriver
     131             : {
     132             :   public:
     133             :     virtual ~OGRIdrisiDriver();
     134             : 
     135             :     virtual const char *GetName() override;
     136             :     virtual OGRDataSource *Open(const char *, int) override;
     137             :     virtual int TestCapability(const char *) override;
     138             : };
     139             : 
     140             : #endif  // ndef OGR_IDRISI_H_INCLUDED