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00184 #ifndef _OGRSF_FRMTS_H_INCLUDED
00185 #define _OGRSF_FRMTS_H_INCLUDED
00186
00187 #include "ogr_feature.h"
00188
00195 class OGRLayerAttrIndex;
00196
00197
00198
00199
00200
00206 class CPL_DLL OGRLayer
00207 {
00208 protected:
00209 int m_bFilterIsEnvelope;
00210 OGRGeometry *m_poFilterGeom;
00211 OGREnvelope m_sFilterEnvelope;
00212
00213 int FilterGeometry( OGRGeometry * );
00214 int InstallFilter( OGRGeometry * );
00215
00216 public:
00217 OGRLayer();
00218 virtual ~OGRLayer();
00219
00220 virtual OGRGeometry *GetSpatialFilter();
00221 virtual void SetSpatialFilter( OGRGeometry * );
00222 virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
00223 double dfMaxX, double dfMaxY );
00224
00225 virtual OGRErr SetAttributeFilter( const char * );
00226
00227 virtual void ResetReading() = 0;
00228 virtual OGRFeature *GetNextFeature() = 0;
00229 virtual OGRErr SetNextByIndex( long nIndex );
00230 virtual OGRFeature *GetFeature( long nFID );
00231 virtual OGRErr SetFeature( OGRFeature *poFeature );
00232 virtual OGRErr CreateFeature( OGRFeature *poFeature );
00233 virtual OGRErr DeleteFeature( long nFID );
00234
00235 virtual OGRFeatureDefn *GetLayerDefn() = 0;
00236
00237 virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00238
00239 virtual int GetFeatureCount( int bForce = TRUE );
00240 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00241
00242 virtual int TestCapability( const char * ) = 0;
00243
00244 virtual const char *GetInfo( const char * );
00245
00246 virtual OGRErr CreateField( OGRFieldDefn *poField,
00247 int bApproxOK = TRUE );
00248
00249 virtual OGRErr SyncToDisk();
00250
00251 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00252 void SetStyleTable(OGRStyleTable *poStyleTable){m_poStyleTable = poStyleTable;}
00253
00254 virtual OGRErr StartTransaction();
00255 virtual OGRErr CommitTransaction();
00256 virtual OGRErr RollbackTransaction();
00257
00258 int Reference();
00259 int Dereference();
00260 int GetRefCount() const;
00261
00262 GIntBig GetFeaturesRead();
00263
00264
00265 OGRErr InitializeIndexSupport( const char * );
00266 OGRLayerAttrIndex *GetIndex() { return m_poAttrIndex; }
00267
00268 protected:
00269 OGRStyleTable *m_poStyleTable;
00270 OGRFeatureQuery *m_poAttrQuery;
00271 OGRLayerAttrIndex *m_poAttrIndex;
00272
00273 int m_nRefCount;
00274
00275 GIntBig m_nFeaturesRead;
00276 };
00277
00278
00279
00280
00281
00282
00293 class CPL_DLL OGRDataSource
00294 {
00295 public:
00296
00297 OGRDataSource();
00298 virtual ~OGRDataSource();
00299 static void DestroyDataSource( OGRDataSource * );
00300
00301 virtual const char *GetName() = 0;
00302
00303 virtual int GetLayerCount() = 0;
00304 virtual OGRLayer *GetLayer(int) = 0;
00305 virtual OGRLayer *GetLayerByName(const char *);
00306 virtual OGRErr DeleteLayer(int);
00307
00308 virtual int TestCapability( const char * ) = 0;
00309
00310 virtual OGRLayer *CreateLayer( const char *pszName,
00311 OGRSpatialReference *poSpatialRef = NULL,
00312 OGRwkbGeometryType eGType = wkbUnknown,
00313 char ** papszOptions = NULL );
00314 virtual OGRLayer *CopyLayer( OGRLayer *poSrcLayer,
00315 const char *pszNewName,
00316 char **papszOptions = NULL );
00317 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00318
00319 virtual OGRLayer * ExecuteSQL( const char *pszStatement,
00320 OGRGeometry *poSpatialFilter,
00321 const char *pszDialect );
00322 virtual void ReleaseResultSet( OGRLayer * poResultsSet );
00323
00324 virtual OGRErr SyncToDisk();
00325
00326 int Reference();
00327 int Dereference();
00328 int GetRefCount() const;
00329 int GetSummaryRefCount() const;
00330 OGRErr Release();
00331
00332 protected:
00333
00334 OGRErr ProcessSQLCreateIndex( const char * );
00335 OGRErr ProcessSQLDropIndex( const char * );
00336
00337 OGRStyleTable *m_poStyleTable;
00338 int m_nRefCount;
00339 };
00340
00341
00342
00343
00344
00354 class CPL_DLL OGRSFDriver
00355 {
00356 public:
00357 virtual ~OGRSFDriver();
00358
00359 virtual const char *GetName() = 0;
00360
00361 virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00362
00363 virtual int TestCapability( const char * ) = 0;
00364
00365 virtual OGRDataSource *CreateDataSource( const char *pszName,
00366 char ** = NULL );
00367 virtual OGRErr DeleteDataSource( const char *pszName );
00368
00369 virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS,
00370 const char *pszNewName,
00371 char **papszOptions = NULL );
00372 };
00373
00374
00375
00376
00377
00378
00384 class CPL_DLL OGRSFDriverRegistrar
00385 {
00386 int nDrivers;
00387 OGRSFDriver **papoDrivers;
00388
00389 OGRSFDriverRegistrar();
00390
00391 int nOpenDSCount;
00392 char **papszOpenDSRawName;
00393 OGRDataSource **papoOpenDS;
00394 OGRSFDriver **papoOpenDSDriver;
00395
00396 public:
00397
00398 ~OGRSFDriverRegistrar();
00399
00400 static OGRSFDriverRegistrar *GetRegistrar();
00401 static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00402 OGRSFDriver ** ppoDriver = NULL );
00403
00404 OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00405 OGRSFDriver ** ppoDriver = NULL );
00406 OGRErr ReleaseDataSource( OGRDataSource * );
00407
00408 void RegisterDriver( OGRSFDriver * poDriver );
00409
00410 int GetDriverCount( void );
00411 OGRSFDriver *GetDriver( int iDriver );
00412 OGRSFDriver *GetDriverByName( const char * );
00413
00414 int GetOpenDSCount() { return nOpenDSCount; }
00415 OGRDataSource *GetOpenDS( int );
00416
00417 void AutoLoadDrivers();
00418 };
00419
00420
00421
00422
00423 CPL_C_START
00424 void CPL_DLL OGRRegisterAll();
00425
00426 void CPL_DLL RegisterOGRShape();
00427 void CPL_DLL RegisterOGRNTF();
00428 void CPL_DLL RegisterOGRFME();
00429 void CPL_DLL RegisterOGRSDTS();
00430 void CPL_DLL RegisterOGRTiger();
00431 void CPL_DLL RegisterOGRS57();
00432 void CPL_DLL RegisterOGRTAB();
00433 void CPL_DLL RegisterOGRMIF();
00434 void CPL_DLL RegisterOGROGDI();
00435 void CPL_DLL RegisterOGRODBC();
00436 void CPL_DLL RegisterOGRPG();
00437 void CPL_DLL RegisterOGRMySQL();
00438 void CPL_DLL RegisterOGROCI();
00439 void CPL_DLL RegisterOGRDGN();
00440 void CPL_DLL RegisterOGRGML();
00441 void CPL_DLL RegisterOGRAVCBin();
00442 void CPL_DLL RegisterOGRAVCE00();
00443 void CPL_DLL RegisterOGRFME();
00444 void CPL_DLL RegisterOGRREC();
00445 void CPL_DLL RegisterOGRMEM();
00446 void CPL_DLL RegisterOGRVRT();
00447 void CPL_DLL RegisterOGRDODS();
00448 void CPL_DLL RegisterOGRSQLite();
00449 void CPL_DLL RegisterOGRCSV();
00450
00451 CPL_C_END
00452
00453
00454 #endif