1 : /******************************************************************************
2 : * $Id: ogr_geomedia.h 21561 2011-01-23 12:22:58Z rouault $
3 : *
4 : * Project: OpenGIS Simple Features Reference Implementation
5 : * Purpose: Private definitions for Geomedia MDB driver.
6 : * Author: Even Rouault, <even dot rouault at mines dash paris dot org>
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2011, Even Rouault, <even dot rouault at mines dash paris dot org>
10 : * Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
11 : *
12 : * Permission is hereby granted, free of charge, to any person obtaining a
13 : * copy of this software and associated documentation files (the "Software"),
14 : * to deal in the Software without restriction, including without limitation
15 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 : * and/or sell copies of the Software, and to permit persons to whom the
17 : * Software is furnished to do so, subject to the following conditions:
18 : *
19 : * The above copyright notice and this permission notice shall be included
20 : * in all copies or substantial portions of the Software.
21 : *
22 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 : * DEALINGS IN THE SOFTWARE.
29 : ****************************************************************************/
30 :
31 : #ifndef _OGR_GEOMEDIA_H_INCLUDED
32 : #define _OGR_GEOMEDIA_H_INCLUDED
33 :
34 : #include "ogrsf_frmts.h"
35 : #include "cpl_odbc.h"
36 : #include "cpl_error.h"
37 :
38 : /************************************************************************/
39 : /* OGRGeomediaLayer */
40 : /************************************************************************/
41 :
42 : class OGRGeomediaDataSource;
43 :
44 : class OGRGeomediaLayer : public OGRLayer
45 : {
46 : protected:
47 : OGRFeatureDefn *poFeatureDefn;
48 :
49 : CPLODBCStatement *poStmt;
50 :
51 : // Layer spatial reference system, and srid.
52 : OGRSpatialReference *poSRS;
53 : int nSRSId;
54 :
55 : int iNextShapeId;
56 :
57 : OGRGeomediaDataSource *poDS;
58 :
59 : char *pszGeomColumn;
60 : char *pszFIDColumn;
61 :
62 : int *panFieldOrdinals;
63 :
64 : CPLErr BuildFeatureDefn( const char *pszLayerName,
65 : CPLODBCStatement *poStmt );
66 :
67 0 : virtual CPLODBCStatement * GetStatement() { return poStmt; }
68 :
69 : void LookupSRID( int );
70 :
71 : public:
72 : OGRGeomediaLayer();
73 : virtual ~OGRGeomediaLayer();
74 :
75 : virtual void ResetReading();
76 : virtual OGRFeature *GetNextRawFeature();
77 : virtual OGRFeature *GetNextFeature();
78 :
79 : virtual OGRFeature *GetFeature( long nFeatureId );
80 :
81 0 : OGRFeatureDefn * GetLayerDefn() { return poFeatureDefn; }
82 :
83 : virtual OGRSpatialReference *GetSpatialRef();
84 :
85 : virtual int TestCapability( const char * );
86 :
87 : virtual const char *GetFIDColumn();
88 : virtual const char *GetGeometryColumn();
89 : };
90 :
91 : /************************************************************************/
92 : /* OGRGeomediaTableLayer */
93 : /************************************************************************/
94 :
95 : class OGRGeomediaTableLayer : public OGRGeomediaLayer
96 : {
97 : int bUpdateAccess;
98 :
99 : char *pszQuery;
100 :
101 : void ClearStatement();
102 : OGRErr ResetStatement();
103 :
104 : virtual CPLODBCStatement * GetStatement();
105 :
106 : public:
107 : OGRGeomediaTableLayer( OGRGeomediaDataSource * );
108 : ~OGRGeomediaTableLayer();
109 :
110 : CPLErr Initialize( const char *pszTableName,
111 : const char *pszGeomCol,
112 : OGRSpatialReference* poSRS );
113 :
114 : virtual void ResetReading();
115 : virtual int GetFeatureCount( int );
116 :
117 : virtual OGRErr SetAttributeFilter( const char * );
118 : virtual OGRFeature *GetFeature( long nFeatureId );
119 :
120 : virtual int TestCapability( const char * );
121 : };
122 :
123 : /************************************************************************/
124 : /* OGRGeomediaSelectLayer */
125 : /************************************************************************/
126 :
127 : class OGRGeomediaSelectLayer : public OGRGeomediaLayer
128 : {
129 : char *pszBaseStatement;
130 :
131 : void ClearStatement();
132 : OGRErr ResetStatement();
133 :
134 : virtual CPLODBCStatement * GetStatement();
135 :
136 : public:
137 : OGRGeomediaSelectLayer( OGRGeomediaDataSource *,
138 : CPLODBCStatement * );
139 : ~OGRGeomediaSelectLayer();
140 :
141 : virtual void ResetReading();
142 : virtual int GetFeatureCount( int );
143 :
144 : virtual OGRFeature *GetFeature( long nFeatureId );
145 :
146 : virtual int TestCapability( const char * );
147 : };
148 :
149 : /************************************************************************/
150 : /* OGRGeomediaDataSource */
151 : /************************************************************************/
152 :
153 : class OGRGeomediaDataSource : public OGRDataSource
154 : {
155 : OGRGeomediaLayer **papoLayers;
156 : int nLayers;
157 :
158 : OGRGeomediaLayer **papoLayersInvisible;
159 : int nLayersWithInvisible;
160 :
161 : char *pszName;
162 :
163 : int bDSUpdate;
164 : CPLODBCSession oSession;
165 :
166 : CPLString GetTableNameFromType(const char* pszTableType);
167 : OGRSpatialReference* GetGeomediaSRS(const char* pszGCoordSystemTable,
168 : const char* pszGCoordSystemGUID);
169 :
170 : public:
171 : OGRGeomediaDataSource();
172 : ~OGRGeomediaDataSource();
173 :
174 : int Open( const char *, int bUpdate, int bTestOpen );
175 : int OpenTable( const char *pszTableName,
176 : const char *pszGeomCol,
177 : int bUpdate );
178 :
179 0 : const char *GetName() { return pszName; }
180 0 : int GetLayerCount() { return nLayers; }
181 : OGRLayer *GetLayer( int );
182 : OGRLayer *GetLayerByName( const char* pszLayerName );
183 :
184 : int TestCapability( const char * );
185 :
186 : virtual OGRLayer * ExecuteSQL( const char *pszSQLCommand,
187 : OGRGeometry *poSpatialFilter,
188 : const char *pszDialect );
189 : virtual void ReleaseResultSet( OGRLayer * poLayer );
190 :
191 : // Internal use
192 0 : CPLODBCSession *GetSession() { return &oSession; }
193 : };
194 :
195 : /************************************************************************/
196 : /* OGRGeomediaDriver */
197 : /************************************************************************/
198 :
199 : class OGRGeomediaDriver : public OGRSFDriver
200 178 : {
201 : CPLString osDriverFile;
202 :
203 : bool InstallMdbDriver();
204 : bool LibraryExists( const char* pszLibPath );
205 : bool FindDriverLib();
206 : CPLString FindDefaultLib(const char* pszLibName);
207 :
208 : public:
209 : ~OGRGeomediaDriver();
210 :
211 : const char *GetName();
212 : OGRDataSource *Open( const char *, int );
213 :
214 : int TestCapability( const char * );
215 : };
216 :
217 : #endif /* ndef _OGR_Geomedia_H_INCLUDED */
|
