1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/******************************************************************************
* $Id$
*
* Project: OpenGIS Simple Features Reference Implementation
* Purpose: Private definitions within the OGR Memory driver.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2003, Frank Warmerdam <warmerdam@pobox.com>
* Copyright (c) 2011-2013, Even Rouault <even dot rouault at spatialys.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef OGRMEM_H_INCLUDED
#define OGRMEM_H_INCLUDED
#include "ogrsf_frmts.h"
#include <map>
/************************************************************************/
/* OGRMemLayer */
/************************************************************************/
class OGRMemDataSource;
class IOGRMemLayerFeatureIterator;
class CPL_DLL OGRMemLayer CPL_NON_FINAL : public OGRLayer
{
CPL_DISALLOW_COPY_ASSIGN(OGRMemLayer)
typedef std::map<GIntBig, OGRFeature *> FeatureMap;
typedef std::map<GIntBig, OGRFeature *>::iterator FeatureIterator;
OGRFeatureDefn *m_poFeatureDefn;
GIntBig m_nFeatureCount;
GIntBig m_iNextReadFID;
GIntBig m_nMaxFeatureCount; // Max size of papoFeatures.
OGRFeature **m_papoFeatures;
bool m_bHasHoles;
FeatureMap m_oMapFeatures;
FeatureIterator m_oMapFeaturesIter;
GIntBig m_iNextCreateFID;
bool m_bUpdatable;
bool m_bAdvertizeUTF8;
bool m_bUpdated;
// Only use it in the lifetime of a function where the list of features
// doesn't change.
IOGRMemLayerFeatureIterator *GetIterator();
const OGRFeature *GetFeatureRef(GIntBig nFeatureId);
public:
OGRMemLayer(const char *pszName, OGRSpatialReference *poSRS,
OGRwkbGeometryType eGeomType);
virtual ~OGRMemLayer();
void ResetReading() override;
OGRFeature *GetNextFeature() override;
virtual OGRErr SetNextByIndex(GIntBig nIndex) override;
OGRFeature *GetFeature(GIntBig nFeatureId) override;
OGRErr ISetFeature(OGRFeature *poFeature) override;
OGRErr ICreateFeature(OGRFeature *poFeature) override;
OGRErr IUpsertFeature(OGRFeature *poFeature) override;
virtual OGRErr DeleteFeature(GIntBig nFID) override;
OGRFeatureDefn *GetLayerDefn() override
{
return m_poFeatureDefn;
}
GIntBig GetFeatureCount(int) override;
virtual OGRErr CreateField(OGRFieldDefn *poField,
int bApproxOK = TRUE) override;
virtual OGRErr DeleteField(int iField) override;
virtual OGRErr ReorderFields(int *panMap) override;
virtual OGRErr AlterFieldDefn(int iField, OGRFieldDefn *poNewFieldDefn,
int nFlags) override;
virtual OGRErr
AlterGeomFieldDefn(int iGeomField,
const OGRGeomFieldDefn *poNewGeomFieldDefn,
int nFlagsIn) override;
virtual OGRErr CreateGeomField(OGRGeomFieldDefn *poGeomField,
int bApproxOK = TRUE) override;
int TestCapability(const char *) override;
bool IsUpdatable() const
{
return m_bUpdatable;
}
void SetUpdatable(bool bUpdatableIn)
{
m_bUpdatable = bUpdatableIn;
}
void SetAdvertizeUTF8(bool bAdvertizeUTF8In)
{
m_bAdvertizeUTF8 = bAdvertizeUTF8In;
}
bool HasBeenUpdated() const
{
return m_bUpdated;
}
void SetUpdated(bool bUpdated)
{
m_bUpdated = bUpdated;
}
GIntBig GetNextReadFID()
{
return m_iNextReadFID;
}
};
/************************************************************************/
/* OGRMemDataSource */
/************************************************************************/
class OGRMemDataSource CPL_NON_FINAL : public OGRDataSource
{
CPL_DISALLOW_COPY_ASSIGN(OGRMemDataSource)
OGRMemLayer **papoLayers;
int nLayers;
char *pszName;
public:
OGRMemDataSource(const char *, char **);
virtual ~OGRMemDataSource();
const char *GetName() override
{
return pszName;
}
int GetLayerCount() override
{
return nLayers;
}
OGRLayer *GetLayer(int) override;
virtual OGRLayer *ICreateLayer(const char *,
OGRSpatialReference * = nullptr,
OGRwkbGeometryType = wkbUnknown,
char ** = nullptr) override;
OGRErr DeleteLayer(int iLayer) override;
int TestCapability(const char *) override;
bool AddFieldDomain(std::unique_ptr<OGRFieldDomain> &&domain,
std::string &failureReason) override;
bool DeleteFieldDomain(const std::string &name,
std::string &failureReason) override;
bool UpdateFieldDomain(std::unique_ptr<OGRFieldDomain> &&domain,
std::string &failureReason) override;
};
/************************************************************************/
/* OGRMemDriver */
/************************************************************************/
class OGRMemDriver final : public OGRSFDriver
{
public:
virtual ~OGRMemDriver();
const char *GetName() override;
OGRDataSource *Open(const char *, int) override;
virtual OGRDataSource *CreateDataSource(const char *pszName,
char ** = nullptr) override;
int TestCapability(const char *) override;
};
#endif // ndef OGRMEM_H_INCLUDED
|
