GDAL
ogreditablelayer.h
1 /******************************************************************************
2  * $Id$
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Defines OGREditableLayer class
6  * Author: Even Rouault <even.rouault at spatialys.com>
7  *
8  ******************************************************************************
9  * Copyright (c) 2015, Even Rouault <even.rouault at spatialys.com>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #ifndef OGREDITABLELAYER_H_INCLUDED
31 #define OGREDITABLELAYER_H_INCLUDED
32 
34 #include "ogrlayerdecorator.h"
35 #include <set>
36 #include <map>
37 
38 class CPL_DLL IOGREditableLayerSynchronizer
39 {
40  public:
41  virtual ~IOGREditableLayerSynchronizer();
42 
43  virtual OGRErr EditableSyncToDisk(OGRLayer* poEditableLayer,
44  OGRLayer** ppoDecoratedLayer) = 0;
45 };
46 
47 class CPL_DLL OGREditableLayer : public OGRLayerDecorator
48 {
49  CPL_DISALLOW_COPY_ASSIGN(OGREditableLayer)
50 
51  protected:
52 
53  IOGREditableLayerSynchronizer *m_poSynchronizer;
54  bool m_bTakeOwnershipSynchronizer;
55  OGRFeatureDefn *m_poEditableFeatureDefn;
56  GIntBig m_nNextFID;
57  std::set<GIntBig> m_oSetCreated{};
58  std::set<GIntBig> m_oSetEdited{};
59  std::set<GIntBig> m_oSetDeleted{};
60  std::set<GIntBig>::iterator m_oIter{};
61  std::set<CPLString> m_oSetDeletedFields{};
62  OGRLayer *m_poMemLayer;
63  bool m_bStructureModified;
64  bool m_bSupportsCreateGeomField;
65  bool m_bSupportsCurveGeometries;
66  std::map<CPLString, int> m_oMapEditableFDefnFieldNameToIdx{};
67 
68  OGRFeature *Translate(OGRFeatureDefn* poTargetDefn,
69  OGRFeature* poSrcFeature,
70  bool bCanStealSrcFeature,
71  bool bHideDeletedFields);
72  void DetectNextFID();
73  int GetSrcGeomFieldIndex(int iGeomField);
74 
75  public:
76 
77  OGREditableLayer(OGRLayer* poDecoratedLayer,
78  bool bTakeOwnershipDecoratedLayer,
79  IOGREditableLayerSynchronizer* poSynchronizer,
80  bool bTakeOwnershipSynchronizer);
81  virtual ~OGREditableLayer();
82 
83  void SetNextFID(GIntBig nNextFID);
84  void SetSupportsCreateGeomField(bool SupportsCreateGeomField);
85  void SetSupportsCurveGeometries(bool bSupportsCurveGeometries);
86 
87  virtual OGRGeometry *GetSpatialFilter() override;
88  virtual void SetSpatialFilter( OGRGeometry * ) override;
89  virtual void SetSpatialFilterRect( double dfMinX, double dfMinY,
90  double dfMaxX, double dfMaxY ) override;
91  virtual void SetSpatialFilter( int iGeomField, OGRGeometry * ) override;
92  virtual void SetSpatialFilterRect( int iGeomField, double dfMinX, double dfMinY,
93  double dfMaxX, double dfMaxY ) override;
94 
95  virtual OGRErr SetAttributeFilter( const char * ) override;
96 
97  virtual void ResetReading() override;
98  virtual OGRFeature *GetNextFeature() override;
99  virtual OGRErr SetNextByIndex( GIntBig nIndex ) override;
100  virtual OGRFeature *GetFeature( GIntBig nFID ) override;
101  virtual OGRErr ISetFeature( OGRFeature *poFeature ) override;
102  virtual OGRErr ICreateFeature( OGRFeature *poFeature ) override;
103  virtual OGRErr DeleteFeature( GIntBig nFID ) override;
104 
105  virtual OGRwkbGeometryType GetGeomType() override;
106  virtual OGRFeatureDefn *GetLayerDefn() override;
107 
108  virtual OGRSpatialReference *GetSpatialRef() override;
109 
110  virtual GIntBig GetFeatureCount( int bForce = TRUE ) override;
111  virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent, int bForce = TRUE) override;
112  virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
113 
114  virtual int TestCapability( const char * ) override;
115 
116  virtual OGRErr CreateField( OGRFieldDefn *poField,
117  int bApproxOK = TRUE ) override;
118  virtual OGRErr DeleteField( int iField ) override;
119  virtual OGRErr ReorderFields( int* panMap ) override;
120  virtual OGRErr AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags ) override;
121 
122  virtual OGRErr CreateGeomField( OGRGeomFieldDefn *poField,
123  int bApproxOK = TRUE ) override;
124 
125  virtual OGRErr SyncToDisk() override;
126 
127  virtual OGRErr StartTransaction() override;
128  virtual OGRErr CommitTransaction() override;
129  virtual OGRErr RollbackTransaction() override;
130 
131  virtual const char *GetGeometryColumn() override;
132 };
134 
135 #endif // OGREDITABLELAYER_H_INCLUDED
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:182
Definition of a feature class or feature layer.
Definition: ogr_feature.h:259
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:92
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:317
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:156
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:354
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:248
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:989

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