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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
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 OGRFeatureDefn *GetLayerDefn() = 0;
00084
00085 virtual OGRSpatialReference *GetSpatialRef() { return NULL; }
00086
00087 virtual int GetFeatureCount( int bForce = TRUE );
00088 virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE);
00089
00090 virtual int TestCapability( const char * ) = 0;
00091
00092 virtual const char *GetInfo( const char * );
00093
00094 virtual OGRErr CreateField( OGRFieldDefn *poField,
00095 int bApproxOK = TRUE );
00096
00097 virtual OGRErr SyncToDisk();
00098
00099 OGRStyleTable *GetStyleTable(){ return m_poStyleTable; }
00100 void SetStyleTableDirectly( OGRStyleTable *poStyleTable )
00101 { if ( m_poStyleTable ) delete m_poStyleTable;
00102 m_poStyleTable = poStyleTable; }
00103 void SetStyleTable(OGRStyleTable *poStyleTable)
00104 {
00105 if ( m_poStyleTable ) delete m_poStyleTable;
00106 if ( poStyleTable )
00107 m_poStyleTable = poStyleTable->Clone();
00108 }
00109
00110 virtual OGRErr StartTransaction();
00111 virtual OGRErr CommitTransaction();
00112 virtual OGRErr RollbackTransaction();
00113
00114 virtual const char *GetFIDColumn();
00115 virtual const char *GetGeometryColumn();
00116
00117 int Reference();
00118 int Dereference();
00119 int GetRefCount() const;
00120
00121 GIntBig GetFeaturesRead();
00122
00123
00124 OGRErr InitializeIndexSupport( const char * );
00125 OGRLayerAttrIndex *GetIndex() { return m_poAttrIndex; }
00126
00127 protected:
00128 OGRStyleTable *m_poStyleTable;
00129 OGRFeatureQuery *m_poAttrQuery;
00130 OGRLayerAttrIndex *m_poAttrIndex;
00131
00132 int m_nRefCount;
00133
00134 GIntBig m_nFeaturesRead;
00135 };
00136
00137
00138
00139
00140
00141
00152 class CPL_DLL OGRDataSource
00153 {
00154 friend class OGRSFDriverRegistrar;
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 OGRStyleTable *GetStyleTable(){ return m_poStyleTable; }
00180 void SetStyleTableDirectly( OGRStyleTable *poStyleTable )
00181 { if ( m_poStyleTable ) delete m_poStyleTable;
00182 m_poStyleTable = poStyleTable; }
00183 void SetStyleTable(OGRStyleTable *poStyleTable)
00184 {
00185 if ( m_poStyleTable ) delete m_poStyleTable;
00186 if ( poStyleTable )
00187 m_poStyleTable = poStyleTable->Clone();
00188 }
00189
00190 virtual OGRLayer * ExecuteSQL( const char *pszStatement,
00191 OGRGeometry *poSpatialFilter,
00192 const char *pszDialect );
00193 virtual void ReleaseResultSet( OGRLayer * poResultsSet );
00194
00195 virtual OGRErr SyncToDisk();
00196
00197 int Reference();
00198 int Dereference();
00199 int GetRefCount() const;
00200 int GetSummaryRefCount() const;
00201 OGRErr Release();
00202
00203 OGRSFDriver *GetDriver() const;
00204
00205 protected:
00206
00207 OGRErr ProcessSQLCreateIndex( const char * );
00208 OGRErr ProcessSQLDropIndex( const char * );
00209
00210 OGRStyleTable *m_poStyleTable;
00211 int m_nRefCount;
00212 OGRSFDriver *m_poDriver;
00213 };
00214
00215
00216
00217
00218
00228 class CPL_DLL OGRSFDriver
00229 {
00230 public:
00231 virtual ~OGRSFDriver();
00232
00233 virtual const char *GetName() = 0;
00234
00235 virtual OGRDataSource *Open( const char *pszName, int bUpdate=FALSE ) = 0;
00236
00237 virtual int TestCapability( const char * ) = 0;
00238
00239 virtual OGRDataSource *CreateDataSource( const char *pszName,
00240 char ** = NULL );
00241 virtual OGRErr DeleteDataSource( const char *pszName );
00242
00243 virtual OGRDataSource *CopyDataSource( OGRDataSource *poSrcDS,
00244 const char *pszNewName,
00245 char **papszOptions = NULL );
00246 };
00247
00248
00249
00250
00251
00252
00258 class CPL_DLL OGRSFDriverRegistrar
00259 {
00260 int nDrivers;
00261 OGRSFDriver **papoDrivers;
00262
00263 OGRSFDriverRegistrar();
00264
00265 int nOpenDSCount;
00266 char **papszOpenDSRawName;
00267 OGRDataSource **papoOpenDS;
00268 OGRSFDriver **papoOpenDSDriver;
00269
00270 public:
00271
00272 ~OGRSFDriverRegistrar();
00273
00274 static OGRSFDriverRegistrar *GetRegistrar();
00275 static OGRDataSource *Open( const char *pszName, int bUpdate=FALSE,
00276 OGRSFDriver ** ppoDriver = NULL );
00277
00278 OGRDataSource *OpenShared( const char *pszName, int bUpdate=FALSE,
00279 OGRSFDriver ** ppoDriver = NULL );
00280 OGRErr ReleaseDataSource( OGRDataSource * );
00281
00282 void RegisterDriver( 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
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 RegisterOGRMySQL();
00312 void CPL_DLL RegisterOGROCI();
00313 void CPL_DLL RegisterOGRGML();
00314 void CPL_DLL RegisterOGRKML();
00315 void CPL_DLL RegisterOGRAVCBin();
00316 void CPL_DLL RegisterOGRAVCE00();
00317 void CPL_DLL RegisterOGRREC();
00318 void CPL_DLL RegisterOGRMEM();
00319 void CPL_DLL RegisterOGRVRT();
00320 void CPL_DLL RegisterOGRDODS();
00321 void CPL_DLL RegisterOGRSQLite();
00322 void CPL_DLL RegisterOGRCSV();
00323 void CPL_DLL RegisterOGRGRASS();
00324 void CPL_DLL RegisterOGRPGeo();
00325 void CPL_DLL RegisterOGRDXFDWG();
00326 void CPL_DLL RegisterOGRSDE();
00327 void CPL_DLL RegisterOGRIDB();
00328
00329 CPL_C_END
00330
00331
00332 #endif