LCOV - code coverage report
Current view: top level - ogr/ogrsf_frmts/sxf - ogr_sxf.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 6 6 100.0 %
Date: 2025-09-10 17:48:50 Functions: 3 3 100.0 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  SXF Translator
       4             :  * Purpose:  Include file defining classes for OGR SXF driver, datasource and
       5             :  *layers. Author:   Ben Ahmed Daho Ali, bidandou(at)yahoo(dot)fr Dmitry
       6             :  *Baryshnikov, polimax@mail.ru Alexandr Lisovenko, alexander.lisovenko@gmail.com
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2011, Ben Ahmed Daho Ali
      10             :  * Copyright (c) 2013, NextGIS
      11             :  *
      12             :  * SPDX-License-Identifier: MIT
      13             :  ****************************************************************************/
      14             : 
      15             : #ifndef OGR_SXF_H_INCLUDED
      16             : #define OGR_SXF_H_INCLUDED
      17             : 
      18             : #include <set>
      19             : #include <vector>
      20             : #include <map>
      21             : 
      22             : #include "ogrsf_frmts.h"
      23             : #include "org_sxf_defs.h"
      24             : 
      25             : #define CHECK_BIT(var, pos) (((var) & (1 << (pos))) != 0)
      26             : constexpr double TO_DEGREES = 180.0 / M_PI;
      27             : constexpr double TO_RADIANS = M_PI / 180.0;
      28             : 
      29             : /************************************************************************/
      30             : /*                         OGRSXFLayer                                */
      31             : /************************************************************************/
      32             : class OGRSXFLayer final : public OGRLayer
      33             : {
      34             :   protected:
      35             :     OGRFeatureDefn *poFeatureDefn;
      36             :     VSILFILE *fpSXF;
      37             :     GByte nLayerID;
      38             :     std::map<unsigned, CPLString> mnClassificators{};
      39             :     std::map<long, vsi_l_offset> mnRecordDesc{};
      40             :     std::map<long, vsi_l_offset>::const_iterator oNextIt{};
      41             :     SXFMapDescription stSXFMapDescription;
      42             :     std::set<GUInt16> snAttributeCodes{};
      43             :     int m_nSXFFormatVer;
      44             :     CPLString sFIDColumn_{};
      45             :     CPLMutex **m_hIOMutex;
      46             :     double m_dfCoeff;
      47             :     bool m_bEOF = false;
      48             :     OGRFeature *GetNextRawFeature(long nFID);
      49             : 
      50             :     GUInt32 TranslateXYH(const SXFRecordDescription &certifInfo,
      51             :                          const char *psBuff, GUInt32 nBufLen, double *dfX,
      52             :                          double *dfY, double *dfH = nullptr);
      53             : 
      54             :     OGRFeature *TranslatePoint(const SXFRecordDescription &certifInfo,
      55             :                                const char *psRecordBuf, GUInt32 nBufLen);
      56             :     OGRFeature *TranslateText(const SXFRecordDescription &certifInfo,
      57             :                               const char *psBuff, GUInt32 nBufLen);
      58             :     OGRFeature *TranslatePolygon(const SXFRecordDescription &certifInfo,
      59             :                                  const char *psBuff, GUInt32 nBufLen);
      60             :     OGRFeature *TranslateLine(const SXFRecordDescription &certifInfo,
      61             :                               const char *psBuff, GUInt32 nBufLen);
      62             :     OGRFeature *TranslateVetorAngle(const SXFRecordDescription &certifInfo,
      63             :                                     const char *psBuff, GUInt32 nBufLen);
      64             : 
      65             :     CPL_DISALLOW_COPY_ASSIGN(OGRSXFLayer)
      66             : 
      67             :   public:
      68             :     OGRSXFLayer(VSILFILE *fp, CPLMutex **hIOMutex, GByte nID,
      69             :                 const char *pszLayerName, int nVer,
      70             :                 const SXFMapDescription &sxfMapDesc);
      71             :     ~OGRSXFLayer() override;
      72             : 
      73             :     void ResetReading() override;
      74             :     OGRFeature *GetNextFeature() override;
      75             :     OGRErr SetNextByIndex(GIntBig nIndex) override;
      76             :     OGRFeature *GetFeature(GIntBig nFID) override;
      77             : 
      78        8148 :     const OGRFeatureDefn *GetLayerDefn() const override
      79             :     {
      80        8148 :         return poFeatureDefn;
      81             :     }
      82             : 
      83             :     int TestCapability(const char *) const override;
      84             : 
      85             :     GIntBig GetFeatureCount(int bForce = TRUE) override;
      86             :     OGRErr IGetExtent(int iGeomField, OGREnvelope *psExtent,
      87             :                       bool bForce) override;
      88             : 
      89             :     const OGRSpatialReference *GetSpatialRef() const override;
      90             :     const char *GetFIDColumn() const override;
      91             : 
      92       18820 :     GByte GetId() const
      93             :     {
      94       18820 :         return nLayerID;
      95             :     }
      96             : 
      97             :     void AddClassifyCode(unsigned nClassCode, const char *szName = nullptr);
      98             :     bool AddRecord(long nFID, unsigned nClassCode, vsi_l_offset nOffset,
      99             :                    bool bHasSemantic, size_t nSemanticsSize);
     100             : 
     101             :   private:
     102             :     static int CanRecode(const char *pszEncoding);
     103             : };
     104             : 
     105             : /************************************************************************/
     106             : /*                           OGRSXFDataSource                           */
     107             : /************************************************************************/
     108             : 
     109             : class OGRSXFDataSource final : public GDALDataset
     110             : {
     111             :     SXFPassport oSXFPassport{};
     112             : 
     113             :     std::vector<std::unique_ptr<OGRSXFLayer>> m_apoLayers{};
     114             : 
     115             :     VSILFILE *fpSXF = nullptr;
     116             :     CPLMutex *hIOMutex = nullptr;
     117             :     void FillLayers();
     118             :     void CreateLayers();
     119             :     void CreateLayers(VSILFILE *fpRSC, const char *const *papszOpenOpts);
     120             :     static OGRErr ReadSXFInformationFlags(VSILFILE *fpSXF,
     121             :                                           SXFPassport &passport);
     122             :     OGRErr ReadSXFDescription(VSILFILE *fpSXF, SXFPassport &passport);
     123             :     static void SetVertCS(const long iVCS, SXFPassport &passport,
     124             :                           const char *const *papszOpenOpts);
     125             :     static OGRErr ReadSXFMapDescription(VSILFILE *fpSXF, SXFPassport &passport,
     126             :                                         const char *const *papszOpenOpts);
     127             :     OGRSXFLayer *GetLayerById(GByte);
     128             : 
     129             :     CPL_DISALLOW_COPY_ASSIGN(OGRSXFDataSource)
     130             : 
     131             :   public:
     132             :     OGRSXFDataSource();
     133             :     ~OGRSXFDataSource() override;
     134             : 
     135             :     int Open(const char *pszFilename, bool bUpdate,
     136             :              const char *const *papszOpenOpts = nullptr);
     137             : 
     138        1878 :     int GetLayerCount() const override
     139             :     {
     140        1878 :         return static_cast<int>(m_apoLayers.size());
     141             :     }
     142             : 
     143             :     const OGRLayer *GetLayer(int) const override;
     144             : 
     145             :     int TestCapability(const char *) const override;
     146             :     void CloseFile();
     147             : };
     148             : 
     149             : #endif

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