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00190 #ifndef _OGRSF_FRMTS_H_INCLUDED
00191 #define _OGRSF_FRMTS_H_INCLUDED
00192
00193 #include "ogr_feature.h"
00194
00201 class OGRLayerAttrIndex;
00202
00203
00204
00205
00206
00212 class CPL_DLL OGRLayer
00213 {
00214 protected:
00215 int m_bFilterIsEnvelope;
00216 OGRGeometry *m_poFilterGeom;
00217 OGREnvelope m_sFilterEnvelope;
00218
00219 int FilterGeometry( OGRGeometry * );
00220 int InstallFilter( OGRGeometry * );
00221
00222 public:
00223 OGRLayer();
00224 virtual ~OGRLayer();
00225
00226 virtual OGRGeometry *GetSpatialFilter();
00227 virtual void SetSpatialFilter( OGRGeometry * );
00228 virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
00229 double dfMaxX, double dfMaxY );
00230
00231 virtual OGRErr SetAttributeFilter( const char * );
00232
00233 virtual void ResetReading() = 0;
00234 virtual OGRFeature *GetNextFeature() = 0;
00235 virtual OGRErr SetNextByIndex( long nIndex );
00236 virtual OGRFeature *GetFeature( long nFID );
00237 virtual OGRErr SetFeature( OGRFeature *poFeature );
00238 virtual OGRErr CreateFeature( OGRFeature *poFeature );
00239 virtual OGRErr DeleteFeature( long nFID );
00240
00241 virtual OGRFeatureDefn *GetLayerDefn() = 0;
00242
00243 virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00244
00245 virtual int GetFeatureCount( int bForce = TRUE );
00246 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00247
00248 virtual int TestCapability( const char * ) = 0;
00249
00250 virtual const char *GetInfo( const char * );
00251
00252 virtual OGRErr CreateField( OGRFieldDefn *poField,
00253 int bApproxOK = TRUE );
00254
00255 virtual OGRErr SyncToDisk();
00256
00257 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00258 void SetStyleTable(OGRStyleTable *poStyleTable){m_poStyleTable = poStyleTable;}
00259
00260 virtual OGRErr StartTransaction();
00261 virtual OGRErr CommitTransaction();
00262 virtual OGRErr RollbackTransaction();
00263
00264 int Reference();
00265 int Dereference();
00266 int GetRefCount() const;
00267
00268 GIntBig GetFeaturesRead();
00269
00270
00271 OGRErr InitializeIndexSupport( const char * );
00272 OGRLayerAttrIndex *GetIndex() { return m_poAttrIndex; }
00273
00274 protected:
00275 OGRStyleTable *m_poStyleTable;
00276 OGRFeatureQuery *m_poAttrQuery;
00277 OGRLayerAttrIndex *m_poAttrIndex;
00278
00279 int m_nRefCount;
00280
00281 GIntBig m_nFeaturesRead;
00282 };
00283
00284
00285
00286
00287
00288
00299 class CPL_DLL OGRDataSource
00300 {
00301 public:
00302
00303 OGRDataSource();
00304 virtual ~OGRDataSource();
00305 static void DestroyDataSource( OGRDataSource * );
00306
00307 virtual const char *GetName() = 0;
00308
00309 virtual int GetLayerCount() = 0;
00310 virtual OGRLayer *GetLayer(int) = 0;
00311 virtual OGRLayer *GetLayerByName(const char *);
00312 virtual OGRErr DeleteLayer(int);
00313
00314 virtual int TestCapability( const char * ) = 0;
00315
00316 virtual OGRLayer *CreateLayer( const char *pszName,
00317 OGRSpatialReference *poSpatialRef = NULL,
00318 OGRwkbGeometryType eGType = wkbUnknown,
00319 char ** papszOptions = NULL );
00320 virtual OGRLayer *CopyLayer( OGRLayer *poSrcLayer,
00321 const char *pszNewName,
00322 char **papszOptions = NULL );
00323 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00324
00325 virtual OGRLayer * ExecuteSQL( const char *pszStatement,
00326 OGRGeometry *poSpatialFilter,
00327 const char *pszDialect );
00328 virtual void ReleaseResultSet( OGRLayer * poResultsSet );
00329
00330 virtual OGRErr SyncToDisk();
00331
00332 int Reference();
00333 int Dereference();
00334 int GetRefCount() const;
00335 int GetSummaryRefCount() const;
00336 OGRErr Release();
00337
00338 protected:
00339
00340 OGRErr ProcessSQLCreateIndex( const char * );
00341 OGRErr ProcessSQLDropIndex( const char * );
00342
00343 OGRStyleTable *m_poStyleTable;
00344 int m_nRefCount;
00345 };
00346
00347
00348
00349
00350
00360 class CPL_DLL OGRSFDriver
00361 {
00362 public:
00363 virtual ~OGRSFDriver();
00364
00365 virtual const char *GetName() = 0;
00366
00367 virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00368
00369 virtual int TestCapability( const char * ) = 0;
00370
00371 virtual OGRDataSource *CreateDataSource( const char *pszName,
00372 char ** = NULL );
00373 virtual OGRErr DeleteDataSource( const char *pszName );
00374
00375 virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS,
00376 const char *pszNewName,
00377 char **papszOptions = NULL );
00378 };
00379
00380
00381
00382
00383
00384
00390 class CPL_DLL OGRSFDriverRegistrar
00391 {
00392 int nDrivers;
00393 OGRSFDriver **papoDrivers;
00394
00395 OGRSFDriverRegistrar();
00396
00397 int nOpenDSCount;
00398 char **papszOpenDSRawName;
00399 OGRDataSource **papoOpenDS;
00400 OGRSFDriver **papoOpenDSDriver;
00401
00402 public:
00403
00404 ~OGRSFDriverRegistrar();
00405
00406 static OGRSFDriverRegistrar *GetRegistrar();
00407 static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00408 OGRSFDriver ** ppoDriver = NULL );
00409
00410 OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00411 OGRSFDriver ** ppoDriver = NULL );
00412 OGRErr ReleaseDataSource( OGRDataSource * );
00413
00414 void RegisterDriver( OGRSFDriver * poDriver );
00415
00416 int GetDriverCount( void );
00417 OGRSFDriver *GetDriver( int iDriver );
00418 OGRSFDriver *GetDriverByName( const char * );
00419
00420 int GetOpenDSCount() { return nOpenDSCount; }
00421 OGRDataSource *GetOpenDS( int );
00422
00423 void AutoLoadDrivers();
00424 };
00425
00426
00427
00428
00429 CPL_C_START
00430 void CPL_DLL OGRRegisterAll();
00431
00432 void CPL_DLL RegisterOGRShape();
00433 void CPL_DLL RegisterOGRNTF();
00434 void CPL_DLL RegisterOGRFME();
00435 void CPL_DLL RegisterOGRSDTS();
00436 void CPL_DLL RegisterOGRTiger();
00437 void CPL_DLL RegisterOGRS57();
00438 void CPL_DLL RegisterOGRTAB();
00439 void CPL_DLL RegisterOGRMIF();
00440 void CPL_DLL RegisterOGROGDI();
00441 void CPL_DLL RegisterOGRODBC();
00442 void CPL_DLL RegisterOGRPG();
00443 void CPL_DLL RegisterOGRMySQL();
00444 void CPL_DLL RegisterOGROCI();
00445 void CPL_DLL RegisterOGRDGN();
00446 void CPL_DLL RegisterOGRGML();
00447 void CPL_DLL RegisterOGRAVCBin();
00448 void CPL_DLL RegisterOGRAVCE00();
00449 void CPL_DLL RegisterOGRFME();
00450 void CPL_DLL RegisterOGRREC();
00451 void CPL_DLL RegisterOGRMEM();
00452 void CPL_DLL RegisterOGRVRT();
00453 void CPL_DLL RegisterOGRDODS();
00454 void CPL_DLL RegisterOGRSQLite();
00455 void CPL_DLL RegisterOGRCSV();
00456 void CPL_DLL RegisterOGRILI1();
00457 void CPL_DLL RegisterOGRILI2();
00458 void CPL_DLL RegisterOGRGRASS();
00459
00460 CPL_C_END
00461
00462
00463 #endif