Line data Source code
1 : /******************************************************************************
2 : * $Id$
3 : *
4 : * Project: S-57 Translator
5 : * Purpose: Declarations for classes binding S57 support onto OGRLayer,
6 : * OGRDataSource and OGRDriver. See also s57.h.
7 : * Author: Frank Warmerdam, warmerdam@pobox.com
8 : *
9 : ******************************************************************************
10 : * Copyright (c) 1999, Frank Warmerdam
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_S57_H_INCLUDED
32 : #define OGR_S57_H_INCLUDED
33 :
34 : #include "ogrsf_frmts.h"
35 : #include "s57.h"
36 :
37 : class OGRS57DataSource;
38 :
39 : /************************************************************************/
40 : /* OGRS57Layer */
41 : /* */
42 : /* Represents all features of a particular S57 object class. */
43 : /************************************************************************/
44 :
45 : class OGRS57Layer final : public OGRLayer
46 : {
47 : OGRS57DataSource *poDS;
48 :
49 : OGRFeatureDefn *poFeatureDefn;
50 :
51 : int nCurrentModule;
52 : int nRCNM;
53 : int nOBJL;
54 : int nNextFEIndex;
55 : int nFeatureCount;
56 :
57 : public:
58 : OGRS57Layer(OGRS57DataSource *poDS, OGRFeatureDefn *,
59 : int nFeatureCount = -1, int nOBJL = -1);
60 : virtual ~OGRS57Layer();
61 :
62 : void ResetReading() override;
63 : OGRFeature *GetNextFeature() override;
64 : OGRFeature *GetNextUnfilteredFeature();
65 : virtual OGRFeature *GetFeature(GIntBig nFeatureId) override;
66 :
67 : virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
68 : virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
69 :
70 50 : virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
71 : int bForce) override
72 : {
73 50 : return OGRLayer::GetExtent(iGeomField, psExtent, bForce);
74 : }
75 :
76 15678 : OGRFeatureDefn *GetLayerDefn() override
77 : {
78 15678 : return poFeatureDefn;
79 : }
80 :
81 : virtual OGRErr ICreateFeature(OGRFeature *poFeature) override;
82 : int TestCapability(const char *) override;
83 : };
84 :
85 : /************************************************************************/
86 : /* OGRS57DataSource */
87 : /************************************************************************/
88 :
89 : class OGRS57DataSource final : public OGRDataSource
90 : {
91 : char *pszName;
92 :
93 : int nLayers;
94 : OGRS57Layer **papoLayers;
95 :
96 : OGRSpatialReference *poSpatialRef;
97 :
98 : char **papszOptions;
99 :
100 : int nModules;
101 : S57Reader **papoModules;
102 :
103 : S57Writer *poWriter;
104 :
105 : S57ClassContentExplorer *poClassContentExplorer;
106 :
107 : bool bExtentsSet;
108 : OGREnvelope oExtents;
109 :
110 : CPL_DISALLOW_COPY_ASSIGN(OGRS57DataSource)
111 :
112 : public:
113 : explicit OGRS57DataSource(char **papszOpenOptions = nullptr);
114 : ~OGRS57DataSource();
115 :
116 : void SetOptionList(char **);
117 : const char *GetOption(const char *);
118 :
119 : int Open(const char *pszName);
120 : int Create(const char *pszName, char **papszOptions);
121 :
122 0 : const char *GetName() override
123 : {
124 0 : return pszName;
125 : }
126 :
127 3653 : int GetLayerCount() override
128 : {
129 3653 : return nLayers;
130 : }
131 :
132 : OGRLayer *GetLayer(int) override;
133 : void AddLayer(OGRS57Layer *);
134 : int TestCapability(const char *) override;
135 :
136 5221 : OGRSpatialReference *DSGetSpatialRef()
137 : {
138 5221 : return poSpatialRef;
139 : }
140 :
141 2010 : int GetModuleCount()
142 : {
143 2010 : return nModules;
144 : }
145 :
146 : S57Reader *GetModule(int);
147 :
148 118 : S57Writer *GetWriter()
149 : {
150 118 : return poWriter;
151 : }
152 :
153 : OGRErr GetDSExtent(OGREnvelope *psExtent, int bForce = TRUE);
154 : };
155 :
156 : /************************************************************************/
157 : /* OGRS57Driver */
158 : /************************************************************************/
159 :
160 : class OGRS57Driver final : public GDALDriver
161 : {
162 : static S57ClassRegistrar *poRegistrar;
163 :
164 : public:
165 : OGRS57Driver();
166 : ~OGRS57Driver();
167 :
168 : static GDALDataset *Open(GDALOpenInfo *poOpenInfo);
169 : static GDALDataset *Create(const char *pszName, int nBands, int nXSize,
170 : int nYSize, GDALDataType eDT,
171 : char **papszOptions);
172 :
173 : static S57ClassRegistrar *GetS57Registrar();
174 : };
175 :
176 : #endif /* ndef OGR_S57_H_INCLUDED */
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