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00172 #ifndef _OGRSF_FRMTS_H_INCLUDED
00173 #define _OGRSF_FRMTS_H_INCLUDED
00174
00175 #include "ogr_feature.h"
00176
00183 class OGRLayerAttrIndex;
00184
00185
00186
00187
00188
00194 class CPL_DLL OGRLayer
00195 {
00196 public:
00197 OGRLayer();
00198 virtual ~OGRLayer();
00199
00200 virtual OGRGeometry *GetSpatialFilter() = 0;
00201 virtual void SetSpatialFilter( OGRGeometry * ) = 0;
00202
00203 virtual OGRErr SetAttributeFilter( const char * );
00204
00205 virtual void ResetReading() = 0;
00206 virtual OGRFeature *GetNextFeature() = 0;
00207 virtual OGRFeature *GetFeature( long nFID );
00208 virtual OGRErr SetFeature( OGRFeature *poFeature );
00209 virtual OGRErr CreateFeature( OGRFeature *poFeature );
00210 virtual OGRErr DeleteFeature( long nFID );
00211
00212 virtual OGRFeatureDefn *GetLayerDefn() = 0;
00213
00214 virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00215
00216 virtual int GetFeatureCount( int bForce = TRUE );
00217 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00218
00219 virtual int TestCapability( const char * ) = 0;
00220
00221 virtual const char *GetInfo( const char * );
00222
00223 virtual OGRErr CreateField( OGRFieldDefn *poField,
00224 int bApproxOK = TRUE );
00225
00226 virtual OGRErr SyncToDisk();
00227
00228 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00229 void SetStyleTable(OGRStyleTable *poStyleTable){m_poStyleTable = poStyleTable;}
00230
00231 virtual OGRErr StartTransaction();
00232 virtual OGRErr CommitTransaction();
00233 virtual OGRErr RollbackTransaction();
00234
00235 int Reference();
00236 int Dereference();
00237 int GetRefCount() const;
00238
00239
00240 OGRErr InitializeIndexSupport( const char * );
00241 OGRLayerAttrIndex *GetIndex() { return m_poAttrIndex; }
00242
00243 protected:
00244 OGRStyleTable *m_poStyleTable;
00245 OGRFeatureQuery *m_poAttrQuery;
00246 OGRLayerAttrIndex *m_poAttrIndex;
00247
00248 int m_nRefCount;
00249 };
00250
00251
00252
00253
00254
00255
00266 class CPL_DLL OGRDataSource
00267 {
00268 public:
00269
00270 OGRDataSource();
00271 virtual ~OGRDataSource();
00272 static void DestroyDataSource( OGRDataSource * );
00273
00274 virtual const char *GetName() = 0;
00275
00276 virtual int GetLayerCount() = 0;
00277 virtual OGRLayer *GetLayer(int) = 0;
00278 virtual OGRLayer *GetLayerByName(const char *);
00279 virtual OGRErr DeleteLayer(int);
00280
00281 virtual int TestCapability( const char * ) = 0;
00282
00283 virtual OGRLayer *CreateLayer( const char *pszName,
00284 OGRSpatialReference *poSpatialRef = NULL,
00285 OGRwkbGeometryType eGType = wkbUnknown,
00286 char ** papszOptions = NULL );
00287 virtual OGRLayer *CopyLayer( OGRLayer *poSrcLayer,
00288 const char *pszNewName,
00289 char **papszOptions = NULL );
00290 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00291
00292 virtual OGRLayer * ExecuteSQL( const char *pszStatement,
00293 OGRGeometry *poSpatialFilter,
00294 const char *pszDialect );
00295 virtual void ReleaseResultSet( OGRLayer * poResultsSet );
00296
00297 virtual OGRErr SyncToDisk();
00298
00299 int Reference();
00300 int Dereference();
00301 int GetRefCount() const;
00302 int GetSummaryRefCount() const;
00303 OGRErr Release();
00304
00305 protected:
00306
00307 OGRErr ProcessSQLCreateIndex( const char * );
00308 OGRErr ProcessSQLDropIndex( const char * );
00309
00310 OGRStyleTable *m_poStyleTable;
00311 int m_nRefCount;
00312 };
00313
00314
00315
00316
00317
00327 class CPL_DLL OGRSFDriver
00328 {
00329 public:
00330 virtual ~OGRSFDriver();
00331
00332 virtual const char *GetName() = 0;
00333
00334 virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00335
00336 virtual int TestCapability( const char * ) = 0;
00337
00338 virtual OGRDataSource *CreateDataSource( const char *pszName,
00339 char ** = NULL );
00340 virtual OGRErr DeleteDataSource( const char *pszName );
00341
00342 virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS,
00343 const char *pszNewName,
00344 char **papszOptions = NULL );
00345 };
00346
00347
00348
00349
00350
00351
00357 class CPL_DLL OGRSFDriverRegistrar
00358 {
00359 int nDrivers;
00360 OGRSFDriver **papoDrivers;
00361
00362 OGRSFDriverRegistrar();
00363
00364 int nOpenDSCount;
00365 char **papszOpenDSRawName;
00366 OGRDataSource **papoOpenDS;
00367 OGRSFDriver **papoOpenDSDriver;
00368
00369 public:
00370
00371 ~OGRSFDriverRegistrar();
00372
00373 static OGRSFDriverRegistrar *GetRegistrar();
00374 static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00375 OGRSFDriver ** ppoDriver = NULL );
00376
00377 OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00378 OGRSFDriver ** ppoDriver = NULL );
00379 OGRErr ReleaseDataSource( OGRDataSource * );
00380
00381 void RegisterDriver( OGRSFDriver * poDriver );
00382
00383 int GetDriverCount( void );
00384 OGRSFDriver *GetDriver( int iDriver );
00385 OGRSFDriver *GetDriverByName( const char * );
00386
00387 int GetOpenDSCount() { return nOpenDSCount; }
00388 OGRDataSource *GetOpenDS( int );
00389 };
00390
00391
00392
00393
00394 CPL_C_START
00395 void CPL_DLL OGRRegisterAll();
00396
00397 void CPL_DLL RegisterOGRShape();
00398 void CPL_DLL RegisterOGRNTF();
00399 void CPL_DLL RegisterOGRFME();
00400 void CPL_DLL RegisterOGRSDTS();
00401 void CPL_DLL RegisterOGRTiger();
00402 void CPL_DLL RegisterOGRS57();
00403 void CPL_DLL RegisterOGRTAB();
00404 void CPL_DLL RegisterOGRMIF();
00405 void CPL_DLL RegisterOGROGDI();
00406 void CPL_DLL RegisterOGRODBC();
00407 void CPL_DLL RegisterOGRPG();
00408 void CPL_DLL RegisterOGRMySQL();
00409 void CPL_DLL RegisterOGROCI();
00410 void CPL_DLL RegisterOGRDGN();
00411 void CPL_DLL RegisterOGRGML();
00412 void CPL_DLL RegisterOGRAVCBin();
00413 void CPL_DLL RegisterOGRAVCE00();
00414 void CPL_DLL RegisterOGRFME();
00415 void CPL_DLL RegisterOGRREC();
00416 void CPL_DLL RegisterOGRMEM();
00417 void CPL_DLL RegisterOGRVRT();
00418 void CPL_DLL RegisterOGRDODS();
00419 void CPL_DLL RegisterOGRSQLite();
00420 void CPL_DLL RegisterOGRCSV();
00421
00422 CPL_C_END
00423
00424
00425 #endif