/****************************************************************************** * $Id: ogr_avc.h 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  Arc/Info Coverage (E00 & Binary) Reader * Purpose:  Declarations for OGR wrapper classes for coverage access. * Author:   Frank Warmerdam, warmerdam@pobox.com * ****************************************************************************** * Copyright (c) 2002, Frank Warmerdam * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: *  * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. *  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER  * DEALINGS IN THE SOFTWARE. ****************************************************************************/#ifndef _OGR_AVC_H_INCLUDED#define _OGR_AVC_H_INCLUDED#include "ogrsf_frmts.h"#include "avc.h"class OGRAVCDataSource;/************************************************************************//*                             OGRAVCLayer                              *//************************************************************************/class OGRAVCLayer : public OGRLayer{  protected:    OGRFeatureDefn      *poFeatureDefn;    OGRAVCDataSource    *poDS;        AVCFileType         eSectionType;    int                 SetupFeatureDefinition( const char *pszName );     int                 AppendTableDefinition( AVCTableDef *psTableDef );    int                 MatchesSpatialFilter( void * );    OGRFeature          *TranslateFeature( void * );    int                 TranslateTableFields( OGRFeature *poFeature,                                               int nFieldBase,                                               AVCTableDef *psTableDef,                                              AVCField *pasFields );  public:                        OGRAVCLayer( AVCFileType eSectionType,                                      OGRAVCDataSource *poDS );    			~OGRAVCLayer();    OGRFeatureDefn *	GetLayerDefn() { return poFeatureDefn; }    virtual OGRSpatialReference *GetSpatialRef();        virtual int         TestCapability( const char * );};/************************************************************************//*                         OGRAVCDataSource                             *//************************************************************************/class OGRAVCDataSource : public OGRDataSource{  protected:    OGRSpatialReference *poSRS;    char		*pszCoverageName;  public:		        OGRAVCDataSource();    			~OGRAVCDataSource();    virtual OGRSpatialReference *GetSpatialRef();    const char          *GetCoverageName();};/* ==================================================================== *//*      Binary Coverage Classes                                         *//* ==================================================================== */class OGRAVCBinDataSource;/************************************************************************//*                            OGRAVCBinLayer                            *//************************************************************************/class OGRAVCBinLayer : public OGRAVCLayer{    AVCE00Section       *psSection;    AVCBinFile          *hFile;    OGRAVCBinLayer      *poArcLayer;    int                 bNeedReset;    char		szTableName[128];    AVCBinFile          *hTable;    int                 nTableBaseField;    int                 nTableAttrIndex;    int                 nNextFID;    int                 FormPolygonGeometry( OGRFeature *poFeature,                                             AVCPal *psPAL );    int                 CheckSetupTable();    int                 AppendTableFields( OGRFeature *poFeature );  public:                        OGRAVCBinLayer( OGRAVCBinDataSource *poDS,                                        AVCE00Section *psSectionIn );    			~OGRAVCBinLayer();    void		ResetReading();    OGRFeature *	GetNextFeature();    OGRFeature *	GetFeature( long nFID );    int                 TestCapability( const char * );};/************************************************************************//*                         OGRAVCBinDataSource                          *//************************************************************************/class OGRAVCBinDataSource : public OGRAVCDataSource{    OGRLayer            **papoLayers;    int			nLayers;        char		*pszName;    AVCE00ReadPtr       psAVC;      public:    			OGRAVCBinDataSource();    			~OGRAVCBinDataSource();    int			Open( const char *, int bTestOpen );    const char	        *GetName() { return pszName; }    int			GetLayerCount() { return nLayers; }    OGRLayer		*GetLayer( int );    int                 TestCapability( const char * );    AVCE00ReadPtr       GetInfo() { return psAVC; }};/************************************************************************//*                             OGRAVCDriver                             *//************************************************************************/class OGRAVCBinDriver : public OGRSFDriver{  public:    		~OGRAVCBinDriver();                    const char *GetName();    OGRDataSource *Open( const char *, int );    int                 TestCapability( const char * );};/* ==================================================================== *//*      E00 (ASCII) Coverage Classes                                    *//* ==================================================================== *//************************************************************************//*                            OGRAVCE00Layer                            *//************************************************************************/class OGRAVCE00Layer : public OGRAVCLayer{    AVCE00Section       *psSection;    AVCE00ReadE00Ptr    psRead;    OGRAVCE00Layer      *poArcLayer;    int                 nFeatureCount;    int                 bNeedReset;    int                 nNextFID;    AVCE00Section       *psTableSection;    AVCE00ReadE00Ptr    psTableRead;    char                *pszTableFilename;    int                 nTablePos;    int                 nTableBaseField;    int                 nTableAttrIndex;    int                 FormPolygonGeometry( OGRFeature *poFeature,                                             AVCPal *psPAL );  public:                        OGRAVCE00Layer( OGRAVCDataSource *poDS,                                        AVCE00Section *psSectionIn );    			~OGRAVCE00Layer();    void		ResetReading();    OGRFeature *	GetNextFeature();    OGRFeature *GetFeature( long nFID );    int GetFeatureCount(int bForce);    int CheckSetupTable(AVCE00Section *psTblSectionIn);    int AppendTableFields( OGRFeature *poFeature );};/************************************************************************//*                         OGRAVCE00DataSource                          *//************************************************************************/class OGRAVCE00DataSource : public OGRAVCDataSource{    int nLayers;    char *pszName;    AVCE00ReadE00Ptr psE00;    OGRAVCE00Layer **papoLayers;  protected:    int CheckAddTable(AVCE00Section *psTblSection);  public:    OGRAVCE00DataSource();    ~OGRAVCE00DataSource();    int Open(const char *, int bTestOpen);    AVCE00ReadE00Ptr GetInfo() { return psE00; }    const char *GetName() { return pszName; }    int GetLayerCount() { return nLayers; }    OGRLayer *GetLayer( int );    int TestCapability( const char * );    virtual OGRSpatialReference *GetSpatialRef();};#endif /* _OGR_AVC_H_INCLUDED */