Line data Source code
1 : /******************************************************************************
2 : * $Id$
3 : *
4 : * Project: SOSI Translator
5 : * Purpose: Implements OGRSOSIDriver.
6 : * Author: Thomas Hirsch, <thomas.hirsch statkart no>
7 : *
8 : ******************************************************************************
9 : * Copyright (c) 2010, Thomas Hirsch
10 : * Copyright (c) 2010, Even Rouault <even dot rouault at spatialys.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_SOSI_H_INCLUDED
32 : #define OGR_SOSI_H_INCLUDED
33 :
34 : #include "ogrsf_frmts.h"
35 : #include "fyba.h"
36 : #include <map>
37 :
38 : // Note: WRITE_SUPPORT not defined, since this is only partially implemented
39 :
40 : /* interpolation of arcs(BUEP) creates # points for a full circle */
41 : #define ARC_INTERPOLATION_FULL_CIRCLE 36.0
42 :
43 : typedef std::map<std::string, std::string> S2S;
44 : typedef std::map<std::string, unsigned int> S2I;
45 :
46 : void RegisterOGRSOSI();
47 :
48 : class ORGSOSILayer; /* defined below */
49 : class OGRSOSIDataSource; /* defined below */
50 :
51 : /************************************************************************
52 : * OGRSOSILayer *
53 : * OGRSOSILayer reports all the OGR Features generated by the data *
54 : * source, in an orderly fashion. *
55 : ************************************************************************/
56 :
57 : class OGRSOSILayer final : public OGRLayer
58 : {
59 : int nNextFID;
60 :
61 : OGRSOSIDataSource *poParent; /* used to call methods from data source */
62 : LC_FILADM *poFileadm; /* ResetReading needs to refer to the file struct */
63 : OGRFeatureDefn *poFeatureDefn; /* the common definition of all features
64 : returned by this layer */
65 : S2I *poHeaderDefn;
66 :
67 : LC_SNR_ADM oSnradm;
68 : LC_BGR oNextSerial; /* used by FYBA to iterate through features */
69 : LC_BGR *poNextSerial;
70 :
71 : public:
72 : OGRSOSILayer(OGRSOSIDataSource *poPar, OGRFeatureDefn *poFeatDefn,
73 : LC_FILADM *poFil, S2I *poHeadDefn);
74 : ~OGRSOSILayer();
75 :
76 : void ResetReading() override;
77 : OGRFeature *GetNextFeature() override;
78 : OGRFeatureDefn *GetLayerDefn() override;
79 : #ifdef WRITE_SUPPORT
80 : OGRErr CreateField(OGRFieldDefn *poField, int bApproxOK = TRUE) override;
81 : OGRErr ICreateFeature(OGRFeature *poFeature) override;
82 : #endif
83 : int TestCapability(const char *) override;
84 : };
85 :
86 : /************************************************************************
87 : * OGRSOSIDataSource *
88 : * OGRSOSIDataSource reads a SOSI file, prebuilds the features, and *
89 : * creates one OGRSOSILayer per geometry type *
90 : ************************************************************************/
91 : class OGRSOSIDataSource final : public OGRDataSource
92 : {
93 : char *pszName;
94 : OGRSOSILayer **papoLayers;
95 : int nLayers;
96 :
97 : #define MODE_READING 0
98 : #define MODE_WRITING 1
99 : int nMode;
100 :
101 : void buildOGRPoint(long nSerial);
102 : void buildOGRLineString(int nNumCoo, long nSerial);
103 : void buildOGRMultiPoint(int nNumCoo, long nSerial);
104 : void buildOGRLineStringFromArc(long nSerial);
105 :
106 : public:
107 : OGRSpatialReference *poSRS;
108 : const char *pszEncoding;
109 : unsigned int nNumFeatures;
110 : OGRGeometry **papoBuiltGeometries; /* OGRSOSIDataSource prebuilds some
111 : * features upon opening, te be used by
112 : * the more complex geometries later. */
113 : // FYBA specific
114 : LC_BASEADM *poBaseadm;
115 : LC_FILADM *poFileadm;
116 :
117 : S2I *poPolyHeaders; /* Contain the header definitions of the four feature
118 : layers */
119 : S2I *poPointHeaders;
120 : S2I *poCurveHeaders;
121 : S2I *poTextHeaders;
122 :
123 : OGRSOSIDataSource();
124 : ~OGRSOSIDataSource();
125 :
126 : int Open(const char *pszFilename, int bUpdate);
127 : #ifdef WRITE_SUPPORT
128 : int Create(const char *pszFilename);
129 : #endif
130 0 : const char *GetName() override
131 : {
132 0 : return pszName;
133 : }
134 :
135 0 : int GetLayerCount() override
136 : {
137 0 : return nLayers;
138 : }
139 :
140 : OGRLayer *GetLayer(int) override;
141 : #ifdef WRITE_SUPPORT
142 : OGRLayer *ICreateLayer(const char *pszName,
143 : const OGRSpatialReference *poSpatialRef = NULL,
144 : OGRwkbGeometryType eGType = wkbUnknown,
145 : char **papszOptions = NULL) override;
146 : #endif
147 : int TestCapability(const char *) override;
148 : };
149 :
150 : /************************************************************************
151 : * OGRSOSIDataTypes *
152 : * OGRSOSIDataTypes provides the correct data types for some of the *
153 : * most common SOSI elements. *
154 : ************************************************************************/
155 :
156 : class OGRSOSISimpleDataType
157 : {
158 : CPLString osName;
159 : OGRFieldType nType;
160 :
161 : public:
162 : OGRSOSISimpleDataType();
163 : OGRSOSISimpleDataType(const char *pszName, OGRFieldType nType);
164 : ~OGRSOSISimpleDataType();
165 :
166 : void setType(const char *pszName, OGRFieldType nType);
167 :
168 1110 : const char *GetName() const
169 : {
170 1110 : return osName.c_str();
171 : }
172 :
173 483 : OGRFieldType GetType() const
174 : {
175 483 : return nType;
176 : }
177 : };
178 :
179 : class OGRSOSIDataType
180 : {
181 : OGRSOSISimpleDataType *poElements = nullptr;
182 : int nElementCount = 0;
183 :
184 : OGRSOSIDataType &operator=(const OGRSOSIDataType &) = delete;
185 :
186 : public:
187 : explicit OGRSOSIDataType(int nSize);
188 :
189 1481 : OGRSOSIDataType(const OGRSOSIDataType &oSrc)
190 1481 : : poElements(nullptr), nElementCount(oSrc.nElementCount)
191 : {
192 3271 : poElements = new OGRSOSISimpleDataType[nElementCount];
193 3271 : for (int i = 0; i < nElementCount; i++)
194 1790 : poElements[i] = oSrc.poElements[i];
195 1481 : }
196 :
197 1481 : OGRSOSIDataType(OGRSOSIDataType &&oSrc) noexcept
198 1481 : : poElements(oSrc.poElements), nElementCount(oSrc.nElementCount)
199 : {
200 1481 : oSrc.poElements = nullptr;
201 1481 : oSrc.nElementCount = 0;
202 1481 : }
203 :
204 : ~OGRSOSIDataType();
205 :
206 : void setElement(int nIndex, const char *name, OGRFieldType type);
207 :
208 486 : OGRSOSISimpleDataType *getElements()
209 : {
210 486 : return poElements;
211 : }
212 :
213 1041 : int getElementCount()
214 : {
215 1041 : return nElementCount;
216 : }
217 : };
218 :
219 : typedef std::map<CPLString, OGRSOSIDataType> C2F;
220 :
221 : void SOSIInitTypes();
222 : void SOSICleanupTypes();
223 : OGRSOSIDataType *SOSIGetType(const CPLString &name);
224 : int SOSITypeToInt(const char *value);
225 : double SOSITypeToReal(const char *value);
226 : void SOSITypeToDate(const char *value, int *date);
227 : void SOSITypeToDateTime(const char *value, int *date);
228 :
229 : #endif /* OGR_SOSI_H_INCLUDED */
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