OGR

ogrsf_frmts.h

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00001 /******************************************************************************
00002  * $Id: ogrsf_frmts.h 21372 2011-01-01 23:53:54Z rouault $
00003  *
00004  * Project:  OpenGIS Simple Features Reference Implementation
00005  * Purpose:  Classes related to format registration, and file opening.
00006  * Author:   Frank Warmerdam, warmerda@home.com
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 1999,  Les Technologies SoftMap Inc.
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ****************************************************************************/
00029 
00030 #ifndef _OGRSF_FRMTS_H_INCLUDED
00031 #define _OGRSF_FRMTS_H_INCLUDED
00032 
00033 #include "ogr_feature.h"
00034 #include "ogr_featurestyle.h"
00035 
00042 class OGRLayerAttrIndex;
00043 class OGRSFDriver;
00044 
00045 /************************************************************************/
00046 /*                               OGRLayer                               */
00047 /************************************************************************/
00048 
00054 class CPL_DLL OGRLayer
00055 {
00056   protected:
00057     int          m_bFilterIsEnvelope;
00058     OGRGeometry *m_poFilterGeom;
00059     OGREnvelope  m_sFilterEnvelope;
00060     
00061     int          FilterGeometry( OGRGeometry * );
00062     int          InstallFilter( OGRGeometry * );
00063 
00064   public:
00065     OGRLayer();
00066     virtual     ~OGRLayer();
00067 
00068     virtual OGRGeometry *GetSpatialFilter();
00069     virtual void        SetSpatialFilter( OGRGeometry * );
00070     virtual void        SetSpatialFilterRect( double dfMinX, double dfMinY,
00071                                               double dfMaxX, double dfMaxY );
00072 
00073     virtual OGRErr      SetAttributeFilter( const char * );
00074 
00075     virtual void        ResetReading() = 0;
00076     virtual OGRFeature *GetNextFeature() = 0;
00077     virtual OGRErr      SetNextByIndex( long nIndex );
00078     virtual OGRFeature *GetFeature( long nFID );
00079     virtual OGRErr      SetFeature( OGRFeature *poFeature );
00080     virtual OGRErr      CreateFeature( OGRFeature *poFeature );
00081     virtual OGRErr      DeleteFeature( long nFID );
00082 
00083     virtual const char *GetName();
00084     virtual OGRwkbGeometryType GetGeomType();
00085     virtual OGRFeatureDefn *GetLayerDefn() = 0;
00086 
00087     virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00088 
00089     virtual int         GetFeatureCount( int bForce = TRUE );
00090     virtual OGRErr      GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00091 
00092     virtual int         TestCapability( const char * ) = 0;
00093 
00094     virtual const char *GetInfo( const char * );
00095 
00096     virtual OGRErr      CreateField( OGRFieldDefn *poField,
00097                                      int bApproxOK = TRUE );
00098 
00099     virtual OGRErr      SyncToDisk();
00100 
00101     virtual OGRStyleTable *GetStyleTable();
00102     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
00103                             
00104     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
00105 
00106     virtual OGRErr      StartTransaction();
00107     virtual OGRErr      CommitTransaction();
00108     virtual OGRErr      RollbackTransaction();
00109 
00110     virtual const char *GetFIDColumn();
00111     virtual const char *GetGeometryColumn();
00112 
00113     virtual OGRErr      SetIgnoredFields( const char **papszFields );
00114 
00115     int                 Reference();
00116     int                 Dereference();
00117     int                 GetRefCount() const;
00118 
00119     GIntBig             GetFeaturesRead();
00120     
00121     /* consider these private */
00122     OGRErr               InitializeIndexSupport( const char * );
00123     OGRLayerAttrIndex   *GetIndex() { return m_poAttrIndex; }
00124 
00125  protected:
00126     OGRStyleTable       *m_poStyleTable;
00127     OGRFeatureQuery     *m_poAttrQuery;
00128     OGRLayerAttrIndex   *m_poAttrIndex;
00129 
00130     int                  m_nRefCount;
00131 
00132     GIntBig              m_nFeaturesRead;
00133 };
00134 
00135 
00136 /************************************************************************/
00137 /*                            OGRDataSource                             */
00138 /************************************************************************/
00139 
00150 class CPL_DLL OGRDataSource
00151 {
00152     friend class OGRSFDriverRegistrar;
00153 
00154     void        *m_hMutex;
00155 
00156   public:
00157 
00158     OGRDataSource();
00159     virtual     ~OGRDataSource();
00160     static void         DestroyDataSource( OGRDataSource * );
00161 
00162     virtual const char  *GetName() = 0;
00163 
00164     virtual int         GetLayerCount() = 0;
00165     virtual OGRLayer    *GetLayer(int) = 0;
00166     virtual OGRLayer    *GetLayerByName(const char *);
00167     virtual OGRErr      DeleteLayer(int);
00168 
00169     virtual int         TestCapability( const char * ) = 0;
00170 
00171     virtual OGRLayer   *CreateLayer( const char *pszName, 
00172                                      OGRSpatialReference *poSpatialRef = NULL,
00173                                      OGRwkbGeometryType eGType = wkbUnknown,
00174                                      char ** papszOptions = NULL );
00175     virtual OGRLayer   *CopyLayer( OGRLayer *poSrcLayer, 
00176                                    const char *pszNewName, 
00177                                    char **papszOptions = NULL );
00178 
00179     virtual OGRStyleTable *GetStyleTable();
00180     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
00181                             
00182     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
00183 
00184     virtual OGRLayer *  ExecuteSQL( const char *pszStatement,
00185                                     OGRGeometry *poSpatialFilter,
00186                                     const char *pszDialect );
00187     virtual void        ReleaseResultSet( OGRLayer * poResultsSet );
00188 
00189     virtual OGRErr      SyncToDisk();
00190 
00191     int                 Reference();
00192     int                 Dereference();
00193     int                 GetRefCount() const;
00194     int                 GetSummaryRefCount() const;
00195     OGRErr              Release();
00196 
00197     OGRSFDriver        *GetDriver() const;
00198     void                SetDriver( OGRSFDriver *poDriver );
00199 
00200   protected:
00201 
00202     OGRErr              ProcessSQLCreateIndex( const char * );
00203     OGRErr              ProcessSQLDropIndex( const char * );
00204 
00205     OGRStyleTable      *m_poStyleTable;
00206     int                 m_nRefCount;
00207     OGRSFDriver        *m_poDriver;
00208 };
00209 
00210 /************************************************************************/
00211 /*                             OGRSFDriver                              */
00212 /************************************************************************/
00213 
00223 class CPL_DLL OGRSFDriver
00224 {
00225   public:
00226     virtual     ~OGRSFDriver();
00227 
00228     virtual const char  *GetName() = 0;
00229 
00230     virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00231 
00232     virtual int         TestCapability( const char * ) = 0;
00233 
00234     virtual OGRDataSource *CreateDataSource( const char *pszName,
00235                                              char ** = NULL );
00236     virtual OGRErr      DeleteDataSource( const char *pszName );
00237 
00238     virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS, 
00239                                            const char *pszNewName, 
00240                                            char **papszOptions = NULL );
00241 };
00242 
00243 
00244 /************************************************************************/
00245 /*                         OGRSFDriverRegistrar                         */
00246 /************************************************************************/
00247 
00256 class CPL_DLL OGRSFDriverRegistrar
00257 {
00258     int         nDrivers;
00259     OGRSFDriver **papoDrivers;
00260 
00261                 OGRSFDriverRegistrar();
00262 
00263     int         nOpenDSCount;
00264     char        **papszOpenDSRawName;
00265     OGRDataSource **papoOpenDS;
00266     OGRSFDriver **papoOpenDSDriver;
00267     GIntBig     *panOpenDSPID;
00268 
00269   public:
00270 
00271                 ~OGRSFDriverRegistrar();
00272 
00273     static OGRSFDriverRegistrar *GetRegistrar();
00274     static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00275                                 OGRSFDriver ** ppoDriver = NULL );
00276 
00277     OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00278                                OGRSFDriver ** ppoDriver = NULL );
00279     OGRErr      ReleaseDataSource( OGRDataSource * );
00280 
00281     void        RegisterDriver( OGRSFDriver * poDriver );
00282     void        DeregisterDriver( OGRSFDriver * poDriver );
00283 
00284     int         GetDriverCount( void );
00285     OGRSFDriver *GetDriver( int iDriver );
00286     OGRSFDriver *GetDriverByName( const char * );
00287 
00288     int         GetOpenDSCount() { return nOpenDSCount; } 
00289     OGRDataSource *GetOpenDS( int );
00290 
00291     void        AutoLoadDrivers();
00292 };
00293 
00294 /* -------------------------------------------------------------------- */
00295 /*      Various available registration methods.                         */
00296 /* -------------------------------------------------------------------- */
00297 CPL_C_START
00298 void CPL_DLL OGRRegisterAll();
00299 
00300 void CPL_DLL RegisterOGRShape();
00301 void CPL_DLL RegisterOGRNTF();
00302 void CPL_DLL RegisterOGRFME();
00303 void CPL_DLL RegisterOGRSDTS();
00304 void CPL_DLL RegisterOGRTiger();
00305 void CPL_DLL RegisterOGRS57();
00306 void CPL_DLL RegisterOGRTAB();
00307 void CPL_DLL RegisterOGRMIF();
00308 void CPL_DLL RegisterOGROGDI();
00309 void CPL_DLL RegisterOGRODBC();
00310 void CPL_DLL RegisterOGRPG();
00311 void CPL_DLL RegisterOGRMSSQLSpatial();
00312 void CPL_DLL RegisterOGRMySQL();
00313 void CPL_DLL RegisterOGROCI();
00314 void CPL_DLL RegisterOGRDGN();
00315 void CPL_DLL RegisterOGRGML();
00316 void CPL_DLL RegisterOGRLIBKML();
00317 void CPL_DLL RegisterOGRKML();
00318 void CPL_DLL RegisterOGRGeoJSON();
00319 void CPL_DLL RegisterOGRAVCBin();
00320 void CPL_DLL RegisterOGRAVCE00();
00321 void CPL_DLL RegisterOGRREC();
00322 void CPL_DLL RegisterOGRMEM();
00323 void CPL_DLL RegisterOGRVRT();
00324 void CPL_DLL RegisterOGRDODS();
00325 void CPL_DLL RegisterOGRSQLite();
00326 void CPL_DLL RegisterOGRCSV();
00327 void CPL_DLL RegisterOGRILI1();
00328 void CPL_DLL RegisterOGRILI2();
00329 void CPL_DLL RegisterOGRGRASS();
00330 void CPL_DLL RegisterOGRPGeo();
00331 void CPL_DLL RegisterOGRDXFDWG();
00332 void CPL_DLL RegisterOGRDXF();
00333 void CPL_DLL RegisterOGRSDE();
00334 void CPL_DLL RegisterOGRIDB();
00335 void CPL_DLL RegisterOGRGMT();
00336 void CPL_DLL RegisterOGRBNA();
00337 void CPL_DLL RegisterOGRGPX();
00338 void CPL_DLL RegisterOGRGeoconcept();
00339 void CPL_DLL RegisterOGRIngres();
00340 void CPL_DLL RegisterOGRPCIDSK();
00341 void CPL_DLL RegisterOGRXPlane();
00342 void CPL_DLL RegisterOGRNAS();
00343 void CPL_DLL RegisterOGRGeoRSS();
00344 void CPL_DLL RegisterOGRGTM();
00345 void CPL_DLL RegisterOGRVFK();
00346 void CPL_DLL RegisterOGRPGDump();
00347 void CPL_DLL RegisterOGRGPSBabel();
00348 void CPL_DLL RegisterOGRSUA();
00349 void CPL_DLL RegisterOGROpenAir();
00350 void CPL_DLL RegisterOGRPDS();
00351 void CPL_DLL RegisterOGRWFS();
00352 void CPL_DLL RegisterOGRSOSI();
00353 void CPL_DLL RegisterOGRHTF();
00354 void CPL_DLL RegisterOGRAeronavFAA();
00355 CPL_C_END
00356 
00357 
00358 #endif /* ndef _OGRSF_FRMTS_H_INCLUDED */

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