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
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:157
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:326
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
OGRFieldDefn
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:98
OGRGeomFieldDefn
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:201
OGRErr
int OGRErr
Type for a OGR error.
Definition: ogr_core.h:341
GIntBig
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:230
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:368
OGRFeature
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:379
OGREnvelope
Simple container for a bounding region (rectangle)
Definition: ogr_core.h:57
OGRFeatureDefn
Definition of a feature class or feature layer.
Definition: ogr_feature.h:278
CPL_DISALLOW_COPY_ASSIGN
#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:927