/****************************************************************************** * $Id: ogrgrass.h 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  OpenGIS Simple Features Reference Implementation * Purpose:  Private definitions for OGR/GRASS driver. * Author:   Radim Blazek, radim.blazek@gmail.com * ****************************************************************************** * Copyright (c) 2005, Radim Blazek <radim.blazek@gmail.com> * * 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 _OGRGRASS_H_INCLUDED#define _OGRGRASS_H_INLLUDED#include "ogrsf_frmts.h"extern "C" {    #include <grass/gprojects.h>    #include <grass/gis.h>    #include <grass/dbmi.h>    #include <grass/Vect.h>}/************************************************************************//*                            OGRGRASSLayer                             *//************************************************************************/class OGRGRASSLayer : public OGRLayer{  public:                        OGRGRASSLayer(	int layer, struct Map_info * map );                        ~OGRGRASSLayer();    // Layer info    OGRFeatureDefn *    GetLayerDefn() { return poFeatureDefn; }    int                 GetFeatureCount( int );    OGRErr              GetExtent(OGREnvelope *psExtent, int bForce);    virtual OGRSpatialReference *GetSpatialRef();    int                 TestCapability( const char * );    // Reading    void                ResetReading();    virtual OGRErr      SetNextByIndex( long nIndex );    OGRFeature *        GetNextFeature();    OGRFeature         *GetFeature( long nFeatureId );    // Filters    virtual OGRErr 	SetAttributeFilter( const char *query );    virtual void 	SetSpatialFilter( OGRGeometry * poGeomIn );    // Write access, not supported:    virtual OGRErr      CreateField( OGRFieldDefn *poField, int bApproxOK = TRUE );    OGRErr              SetFeature( OGRFeature *poFeature );    OGRErr              CreateFeature( OGRFeature *poFeature );      private:    char		*pszName;    OGRSpatialReference *poSRS;    OGRFeatureDefn	*poFeatureDefn;    char		*pszQuery;	// Attribute filter string    int			iNextId;    int			nTotalCount;    int			iLayer;		// Layer number     int			iLayerIndex;	// Layer index (in GRASS category index)    int			iCatField;	// Field where category (key) is stored    int			nFields;    int 		*paFeatureIndex; // Array of indexes to category index array    // Vector map    struct Map_info 	*poMap;    struct field_info   *poLink;    // Database connection    bool 		bHaveAttributes;    dbString		*poDbString;    dbDriver		*poDriver;    dbCursor		*poCursor;        bool		bCursorOpened;	// Sequential database cursor opened    int 		iCurrentCat;	// Current category in select cursor    struct line_pnts	*poPoints;     struct line_cats	*poCats;    bool		StartDbDriver ();    bool		StopDbDriver ();    OGRGeometry		*GetFeatureGeometry ( long nFeatureId, int *cat );    bool		SetAttributes ( OGRFeature *feature, dbTable *table );    // Features matching spatial filter for ALL features/elements in GRASS    char 		*paSpatialMatch;    bool 		SetSpatialMatch();    // Features matching attribute filter for ALL features/elements in GRASS    char 		*paQueryMatch;    bool 		OpenSequentialCursor();    bool 		ResetSequentialCursor();    bool 		SetQueryMatch();};/************************************************************************//*                          OGRGRASSDataSource                          *//************************************************************************/class OGRGRASSDataSource : public OGRDataSource{  public:                        OGRGRASSDataSource();                        ~OGRGRASSDataSource();    int                 Open( const char *, int bUpdate, int bTestOpen,                              int bSingleNewFile = FALSE );    const char          *GetName() { return pszName; }    int                 GetLayerCount() { return nLayers; }    OGRLayer            *GetLayer( int );    int                 TestCapability( const char * );    // Not implemented (returns NULL):    virtual OGRLayer    *CreateLayer( const char *,                                       OGRSpatialReference * = NULL,                                      OGRwkbGeometryType = wkbUnknown,                                      char ** = NULL );  private:    OGRGRASSLayer     **papoLayers;    char                *pszName;	// Date source name    char		*pszGisdbase;	// GISBASE    char		*pszLocation;	// location name    char		*pszMapset;	// mapset name    char		*pszMap;	// name of vector map    struct Map_info 	map;    int                 nLayers;    static bool SplitPath ( char *, char **, char **, char **, char ** );};/************************************************************************//*                            OGRGRASSDriver                            *//************************************************************************/class OGRGRASSDriver : public OGRSFDriver{  public:			~OGRGRASSDriver();                    const char 		*GetName();    OGRDataSource 	*Open( const char *, int );    int                 TestCapability( const char * );    // Not implemented (return error/NULL):    virtual OGRDataSource *CreateDataSource( const char *pszName, 	    				     char ** = NULL );    OGRErr              DeleteDataSource( const char *pszDataSource );};#endif /* ndef _OGRGRASS_H_INCLUDED */