Line data Source code
1 : /******************************************************************************
2 : * $Id$
3 : *
4 : * Project: SXF Translator
5 : * Purpose: Include file defining classes for OGR SXF driver, datasource and
6 : *layers. Author: Ben Ahmed Daho Ali, bidandou(at)yahoo(dot)fr Dmitry
7 : *Baryshnikov, polimax@mail.ru Alexandr Lisovenko, alexander.lisovenko@gmail.com
8 : *
9 : ******************************************************************************
10 : * Copyright (c) 2011, Ben Ahmed Daho Ali
11 : * Copyright (c) 2013, NextGIS
12 : *
13 : * Permission is hereby granted, free of charge, to any person obtaining a
14 : * copy of this software and associated documentation files (the "Software"),
15 : * to deal in the Software without restriction, including without limitation
16 : * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 : * and/or sell copies of the Software, and to permit persons to whom the
18 : * Software is furnished to do so, subject to the following conditions:
19 : *
20 : * The above copyright notice and this permission notice shall be included
21 : * in all copies or substantial portions of the Software.
22 : *
23 : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24 : * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 : * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28 : * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29 : * DEALINGS IN THE SOFTWARE.
30 : ****************************************************************************/
31 :
32 : #ifndef OGR_SXF_H_INCLUDED
33 : #define OGR_SXF_H_INCLUDED
34 :
35 : #include <set>
36 : #include <vector>
37 : #include <map>
38 :
39 : #include "ogrsf_frmts.h"
40 : #include "org_sxf_defs.h"
41 :
42 : #define CHECK_BIT(var, pos) (((var) & (1 << (pos))) != 0)
43 : constexpr double TO_DEGREES = 180.0 / M_PI;
44 : constexpr double TO_RADIANS = M_PI / 180.0;
45 :
46 : /************************************************************************/
47 : /* OGRSXFLayer */
48 : /************************************************************************/
49 : class OGRSXFLayer final : public OGRLayer
50 : {
51 : protected:
52 : OGRFeatureDefn *poFeatureDefn;
53 : VSILFILE *fpSXF;
54 : GByte nLayerID;
55 : std::map<unsigned, CPLString> mnClassificators;
56 : std::map<long, vsi_l_offset> mnRecordDesc;
57 : std::map<long, vsi_l_offset>::const_iterator oNextIt;
58 : SXFMapDescription stSXFMapDescription;
59 : std::set<GUInt16> snAttributeCodes;
60 : int m_nSXFFormatVer;
61 : CPLString sFIDColumn_;
62 : CPLMutex **m_hIOMutex;
63 : double m_dfCoeff;
64 : virtual OGRFeature *GetNextRawFeature(long nFID);
65 :
66 : GUInt32 TranslateXYH(const SXFRecordDescription &certifInfo,
67 : const char *psBuff, GUInt32 nBufLen, double *dfX,
68 : double *dfY, double *dfH = nullptr);
69 :
70 : OGRFeature *TranslatePoint(const SXFRecordDescription &certifInfo,
71 : const char *psRecordBuf, GUInt32 nBufLen);
72 : OGRFeature *TranslateText(const SXFRecordDescription &certifInfo,
73 : const char *psBuff, GUInt32 nBufLen);
74 : OGRFeature *TranslatePolygon(const SXFRecordDescription &certifInfo,
75 : const char *psBuff, GUInt32 nBufLen);
76 : OGRFeature *TranslateLine(const SXFRecordDescription &certifInfo,
77 : const char *psBuff, GUInt32 nBufLen);
78 : OGRFeature *TranslateVetorAngle(const SXFRecordDescription &certifInfo,
79 : const char *psBuff, GUInt32 nBufLen);
80 :
81 : public:
82 : OGRSXFLayer(VSILFILE *fp, CPLMutex **hIOMutex, GByte nID,
83 : const char *pszLayerName, int nVer,
84 : const SXFMapDescription &sxfMapDesc);
85 : virtual ~OGRSXFLayer();
86 :
87 : virtual void ResetReading() override;
88 : virtual OGRFeature *GetNextFeature() override;
89 : virtual OGRErr SetNextByIndex(GIntBig nIndex) override;
90 : virtual OGRFeature *GetFeature(GIntBig nFID) override;
91 :
92 8565 : virtual OGRFeatureDefn *GetLayerDefn() override
93 : {
94 8565 : return poFeatureDefn;
95 : }
96 :
97 : virtual int TestCapability(const char *) override;
98 :
99 : virtual GIntBig GetFeatureCount(int bForce = TRUE) override;
100 : virtual OGRErr GetExtent(OGREnvelope *psExtent, int bForce = TRUE) override;
101 :
102 36 : virtual OGRErr GetExtent(int iGeomField, OGREnvelope *psExtent,
103 : int bForce) override
104 : {
105 36 : return OGRLayer::GetExtent(iGeomField, psExtent, bForce);
106 : }
107 :
108 : virtual OGRSpatialReference *GetSpatialRef() override;
109 : virtual const char *GetFIDColumn() override;
110 :
111 18820 : virtual GByte GetId() const
112 : {
113 18820 : return nLayerID;
114 : }
115 :
116 : virtual void AddClassifyCode(unsigned nClassCode,
117 : const char *szName = nullptr);
118 : virtual bool AddRecord(long nFID, unsigned nClassCode, vsi_l_offset nOffset,
119 : bool bHasSemantic, size_t nSemanticsSize);
120 :
121 : private:
122 : static int CanRecode(const char *pszEncoding);
123 : };
124 :
125 : /************************************************************************/
126 : /* OGRSXFDataSource */
127 : /************************************************************************/
128 :
129 : class OGRSXFDataSource final : public OGRDataSource
130 : {
131 : SXFPassport oSXFPassport;
132 :
133 : CPLString pszName{};
134 :
135 : std::vector<std::unique_ptr<OGRSXFLayer>> m_apoLayers{};
136 :
137 : VSILFILE *fpSXF = nullptr;
138 : CPLMutex *hIOMutex = nullptr;
139 : void FillLayers();
140 : void CreateLayers();
141 : void CreateLayers(VSILFILE *fpRSC, const char *const *papszOpenOpts);
142 : static OGRErr ReadSXFInformationFlags(VSILFILE *fpSXF,
143 : SXFPassport &passport);
144 : OGRErr ReadSXFDescription(VSILFILE *fpSXF, SXFPassport &passport);
145 : static void SetVertCS(const long iVCS, SXFPassport &passport,
146 : const char *const *papszOpenOpts);
147 : static OGRErr ReadSXFMapDescription(VSILFILE *fpSXF, SXFPassport &passport,
148 : const char *const *papszOpenOpts);
149 : OGRSXFLayer *GetLayerById(GByte);
150 :
151 : public:
152 : OGRSXFDataSource();
153 : virtual ~OGRSXFDataSource();
154 :
155 : int Open(const char *pszFilename, bool bUpdate,
156 : const char *const *papszOpenOpts = nullptr);
157 :
158 0 : virtual const char *GetName() override
159 : {
160 0 : return pszName;
161 : }
162 :
163 1878 : virtual int GetLayerCount() override
164 : {
165 1878 : return static_cast<int>(m_apoLayers.size());
166 : }
167 :
168 : virtual OGRLayer *GetLayer(int) override;
169 :
170 : virtual int TestCapability(const char *) override;
171 : void CloseFile();
172 : };
173 :
174 : /************************************************************************/
175 : /* OGRSXFDriver */
176 : /************************************************************************/
177 :
178 : class OGRSXFDriver final : public GDALDriver
179 : {
180 : public:
181 : ~OGRSXFDriver();
182 :
183 : static GDALDataset *Open(GDALOpenInfo *);
184 : static int Identify(GDALOpenInfo *);
185 : static CPLErr DeleteDataSource(const char *pszName);
186 : };
187 :
188 : #endif
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