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
|
/******************************************************************************
* $Id: ogrsqlitesinglefeaturelayer.cpp 23736 2012-01-09 19:05:02Z rouault $
*
* Project: OpenGIS Simple Features Reference Implementation
* Purpose: Implements OGRSQLiteSingleFeatureLayer class.
* Author: Even Rouault, <even dot rouault at mines dash paris dot org>
*
******************************************************************************
* Copyright (c) 2010, Even Rouault
*
* 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.
****************************************************************************/
#include "cpl_conv.h"
#include "cpl_string.h"
#include "ogr_sqlite.h"
CPL_CVSID("$Id: ogrsqlitesinglefeaturelayer.cpp 23736 2012-01-09 19:05:02Z rouault $");
/************************************************************************/
/* OGRSQLiteSingleFeatureLayer() */
/************************************************************************/
OGRSQLiteSingleFeatureLayer::OGRSQLiteSingleFeatureLayer(
const char* pszLayerName,
int nVal )
{
poFeatureDefn = new OGRFeatureDefn( "SELECT" );
poFeatureDefn->Reference();
OGRFieldDefn oField( pszLayerName, OFTInteger );
poFeatureDefn->AddFieldDefn( &oField );
iNextShapeId = 0;
this->nVal = nVal;
pszVal = NULL;
}
/************************************************************************/
/* OGRSQLiteSingleFeatureLayer() */
/************************************************************************/
OGRSQLiteSingleFeatureLayer::OGRSQLiteSingleFeatureLayer(
const char* pszLayerName,
const char *pszVal )
{
poFeatureDefn = new OGRFeatureDefn( "SELECT" );
poFeatureDefn->Reference();
OGRFieldDefn oField( pszLayerName, OFTString );
poFeatureDefn->AddFieldDefn( &oField );
iNextShapeId = 0;
nVal = 0;
this->pszVal = CPLStrdup(pszVal);
}
/************************************************************************/
/* ~OGRSQLiteSingleFeatureLayer() */
/************************************************************************/
OGRSQLiteSingleFeatureLayer::~OGRSQLiteSingleFeatureLayer()
{
if( poFeatureDefn != NULL )
{
poFeatureDefn->Release();
poFeatureDefn = NULL;
}
CPLFree(pszVal);
}
/************************************************************************/
/* ResetReading() */
/************************************************************************/
void OGRSQLiteSingleFeatureLayer::ResetReading()
{
iNextShapeId = 0;
}
/************************************************************************/
/* GetNextFeature() */
/************************************************************************/
OGRFeature * OGRSQLiteSingleFeatureLayer::GetNextFeature()
{
if (iNextShapeId != 0)
return NULL;
OGRFeature* poFeature = new OGRFeature(poFeatureDefn);
if (pszVal)
poFeature->SetField(0, pszVal);
else
poFeature->SetField(0, nVal);
poFeature->SetFID(iNextShapeId ++);
return poFeature;
}
/************************************************************************/
/* GetLayerDefn() */
/************************************************************************/
OGRFeatureDefn * OGRSQLiteSingleFeatureLayer::GetLayerDefn()
{
return poFeatureDefn;
}
/************************************************************************/
/* TestCapability() */
/************************************************************************/
int OGRSQLiteSingleFeatureLayer::TestCapability( const char * )
{
return FALSE;
}
|
