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00157 #ifndef _OGRSF_FRMTS_H_INCLUDED
00158 #define _OGRSF_FRMTS_H_INCLUDED
00159
00160 #include "ogr_feature.h"
00161
00168 class OGRLayerAttrIndex;
00169
00170
00171
00172
00173
00179 class CPL_DLL OGRLayer
00180 {
00181 public:
00182 OGRLayer();
00183 virtual ~OGRLayer();
00184
00185 virtual OGRGeometry *GetSpatialFilter() = 0;
00186 virtual void SetSpatialFilter( OGRGeometry * ) = 0;
00187
00188 virtual OGRErr SetAttributeFilter( const char * );
00189
00190 virtual void ResetReading() = 0;
00191 virtual OGRFeature *GetNextFeature() = 0;
00192 virtual OGRFeature *GetFeature( long nFID );
00193 virtual OGRErr SetFeature( OGRFeature *poFeature );
00194 virtual OGRErr CreateFeature( OGRFeature *poFeature );
00195 virtual OGRErr DeleteFeature( long nFID );
00196
00197 virtual OGRFeatureDefn *GetLayerDefn() = 0;
00198
00199 virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00200
00201 virtual int GetFeatureCount( int bForce = TRUE );
00202 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00203
00204 virtual int TestCapability( const char * ) = 0;
00205
00206 virtual const char *GetInfo( const char * );
00207
00208 virtual OGRErr CreateField( OGRFieldDefn *poField,
00209 int bApproxOK = TRUE );
00210
00211 virtual OGRErr SyncToDisk();
00212
00213 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00214 void SetStyleTable(OGRStyleTable *poStyleTable){m_poStyleTable = poStyleTable;}
00215
00216 virtual OGRErr StartTransaction();
00217 virtual OGRErr CommitTransaction();
00218 virtual OGRErr RollbackTransaction();
00219
00220 int Reference();
00221 int Dereference();
00222 int GetRefCount() const;
00223
00224
00225 OGRErr InitializeIndexSupport( const char * );
00226 OGRLayerAttrIndex *GetIndex() { return m_poAttrIndex; }
00227
00228 protected:
00229 OGRStyleTable *m_poStyleTable;
00230 OGRFeatureQuery *m_poAttrQuery;
00231 OGRLayerAttrIndex *m_poAttrIndex;
00232
00233 int m_nRefCount;
00234 };
00235
00236
00237
00238
00239
00240
00251 class CPL_DLL OGRDataSource
00252 {
00253 public:
00254
00255 OGRDataSource();
00256 virtual ~OGRDataSource();
00257
00258 virtual const char *GetName() = 0;
00259
00260 virtual int GetLayerCount() = 0;
00261 virtual OGRLayer *GetLayer(int) = 0;
00262 virtual OGRLayer *GetLayerByName(const char *);
00263 virtual OGRErr DeleteLayer(int);
00264
00265 virtual int TestCapability( const char * ) = 0;
00266
00267 virtual OGRLayer *CreateLayer( const char *pszName,
00268 OGRSpatialReference *poSpatialRef = NULL,
00269 OGRwkbGeometryType eGType = wkbUnknown,
00270 char ** papszOptions = NULL );
00271 virtual OGRLayer *CopyLayer( OGRLayer *poSrcLayer,
00272 const char *pszNewName,
00273 char **papszOptions = NULL );
00274 OGRStyleTable *GetStyleTable(){return m_poStyleTable;}
00275
00276 virtual OGRLayer * ExecuteSQL( const char *pszStatement,
00277 OGRGeometry *poSpatialFilter,
00278 const char *pszDialect );
00279 virtual void ReleaseResultSet( OGRLayer * poResultsSet );
00280
00281 virtual OGRErr SyncToDisk();
00282
00283 int Reference();
00284 int Dereference();
00285 int GetRefCount() const;
00286 int GetSummaryRefCount() const;
00287
00288 protected:
00289
00290 OGRErr ProcessSQLCreateIndex( const char * );
00291 OGRErr ProcessSQLDropIndex( const char * );
00292
00293 OGRStyleTable *m_poStyleTable;
00294 int m_nRefCount;
00295 };
00296
00297
00298
00299
00300
00310 class CPL_DLL OGRSFDriver
00311 {
00312 public:
00313 virtual ~OGRSFDriver();
00314
00315 virtual const char *GetName() = 0;
00316
00317 virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00318
00319 virtual int TestCapability( const char * ) = 0;
00320
00321 virtual OGRDataSource *CreateDataSource( const char *pszName,
00322 char ** = NULL );
00323 virtual OGRErr DeleteDataSource( const char *pszName );
00324
00325 virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS,
00326 const char *pszNewName,
00327 char **papszOptions = NULL );
00328 };
00329
00330
00331
00332
00333
00334
00340 class CPL_DLL OGRSFDriverRegistrar
00341 {
00342 int nDrivers;
00343 OGRSFDriver **papoDrivers;
00344
00345 OGRSFDriverRegistrar();
00346
00347 int nOpenDSCount;
00348 char **papszOpenDSRawName;
00349 OGRDataSource **papoOpenDS;
00350 OGRSFDriver **papoOpenDSDriver;
00351
00352 public:
00353
00354 ~OGRSFDriverRegistrar();
00355
00356 static OGRSFDriverRegistrar *GetRegistrar();
00357 static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00358 OGRSFDriver ** ppoDriver = NULL );
00359
00360 OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00361 OGRSFDriver ** ppoDriver = NULL );
00362 OGRErr ReleaseDataSource( OGRDataSource * );
00363
00364 void RegisterDriver( OGRSFDriver * poDriver );
00365
00366 int GetDriverCount( void );
00367 OGRSFDriver *GetDriver( int iDriver );
00368 OGRSFDriver *GetDriverByName( const char * );
00369
00370 int GetOpenDSCount() { return nOpenDSCount; }
00371 OGRDataSource *GetOpenDS( int );
00372 };
00373
00374
00375
00376
00377 CPL_C_START
00378 void CPL_DLL OGRRegisterAll();
00379
00380 void CPL_DLL RegisterOGRShape();
00381 void CPL_DLL RegisterOGRNTF();
00382 void CPL_DLL RegisterOGRFME();
00383 void CPL_DLL RegisterOGRSDTS();
00384 void CPL_DLL RegisterOGRTiger();
00385 void CPL_DLL RegisterOGRS57();
00386 void CPL_DLL RegisterOGRTAB();
00387 void CPL_DLL RegisterOGRMIF();
00388 void CPL_DLL RegisterOGROGDI();
00389 void CPL_DLL RegisterOGRODBC();
00390 void CPL_DLL RegisterOGRPG();
00391 void CPL_DLL RegisterOGROCI();
00392 void CPL_DLL RegisterOGRDGN();
00393 void CPL_DLL RegisterOGRGML();
00394 void CPL_DLL RegisterOGRAVCBin();
00395 void CPL_DLL RegisterOGRAVCE00();
00396 void CPL_DLL RegisterOGRFME();
00397 void CPL_DLL RegisterOGRREC();
00398 void CPL_DLL RegisterOGRMEM();
00399 void CPL_DLL RegisterOGRVRT();
00400 CPL_C_END
00401
00402
00403 #endif