LCOV - code coverage report
Current view: top level - ogr - ogr_feature.h (source / functions) Hit Total Coverage
Test: gdal_filtered.info Lines: 340 342 99.4 %
Date: 2026-02-23 15:56:29 Functions: 165 166 99.4 %

          Line data    Source code
       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  OpenGIS Simple Features Reference Implementation
       4             :  * Purpose:  Class for representing a whole feature, and layer schemas.
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 1999,  Les Technologies SoftMap Inc.
       9             :  * Copyright (c) 2008-2013, Even Rouault <even dot rouault at spatialys.com>
      10             :  *
      11             :  * SPDX-License-Identifier: MIT
      12             :  ****************************************************************************/
      13             : 
      14             : #ifndef OGR_FEATURE_H_INCLUDED
      15             : #define OGR_FEATURE_H_INCLUDED
      16             : 
      17             : #include "cpl_atomic_ops.h"
      18             : #include "gdal_fwd.h"
      19             : #include "ogr_featurestyle.h"
      20             : #include "ogr_geometry.h"
      21             : #include "ogr_geomcoordinateprecision.h"
      22             : 
      23             : #include <cstddef>
      24             : 
      25             : #include <exception>
      26             : #include <memory>
      27             : #include <string>
      28             : #if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
      29             : #include <string_view>
      30             : #endif
      31             : #include <vector>
      32             : 
      33             : /**
      34             :  * \file ogr_feature.h
      35             :  *
      36             :  * Simple feature classes.
      37             :  */
      38             : 
      39             : class OGRStyleTable;
      40             : 
      41             : /************************************************************************/
      42             : /*                             OGRFieldDefn                             */
      43             : /************************************************************************/
      44             : 
      45             : /**
      46             :  * Definition of an attribute of an OGRFeatureDefn. A field is described by :
      47             :  * <ul>
      48             :  * <li>a name. See SetName() / GetNameRef()</li>
      49             :  * <li>an alternative name (optional): alternative descriptive name for the
      50             :  * field (sometimes referred to as an "alias"). See SetAlternativeName() /
      51             :  * GetAlternativeNameRef()</li> <li>a type: OFTString, OFTInteger, OFTReal, ...
      52             :  * See SetType() / GetType()</li> <li>a subtype (optional): OFSTBoolean, ... See
      53             :  * SetSubType() / GetSubType()</li> <li>a width (optional): maximal number of
      54             :  * characters. See SetWidth() / GetWidth()</li> <li>a precision (optional):
      55             :  * number of digits after decimal point. See SetPrecision() /
      56             :  * GetPrecision()</li> <li>a NOT NULL constraint (optional). See SetNullable() /
      57             :  * IsNullable()</li> <li>a UNIQUE constraint (optional). See SetUnique() /
      58             :  * IsUnique()</li> <li>a default value (optional).  See SetDefault() /
      59             :  * GetDefault()</li> <li>a boolean to indicate whether it should be ignored when
      60             :  * retrieving features.  See SetIgnored() / IsIgnored()</li> <li>a field domain
      61             :  * name (optional). See SetDomainName() / Get DomainName()</li>
      62             :  * </ul>
      63             :  *
      64             :  * Note that once a OGRFieldDefn has been added to a layer definition with
      65             :  * OGRLayer::AddFieldDefn(), its setter methods should not be called on the
      66             :  * object returned with OGRLayer::GetLayerDefn()->GetFieldDefn(). Instead,
      67             :  * OGRLayer::AlterFieldDefn() should be called on a new instance of
      68             :  * OGRFieldDefn, for drivers that support AlterFieldDefn().
      69             :  */
      70             : 
      71             : class CPL_DLL OGRFieldDefn
      72             : {
      73             :   private:
      74             :     char *pszName;
      75             :     char *pszAlternativeName;
      76             :     OGRFieldType eType;
      77             :     OGRJustification eJustify;
      78             :     int nWidth;  // Zero is variable.
      79             :     int nPrecision;
      80             :     char *pszDefault;
      81             : 
      82             :     int bIgnore;
      83             :     OGRFieldSubType eSubType;
      84             : 
      85             :     int bNullable;
      86             :     int bUnique;
      87             : 
      88             :     // Used by drivers (GPKG) to track generated fields
      89             :     bool m_bGenerated = false;
      90             : 
      91             :     std::string m_osDomainName{};  // field domain name. Might be empty
      92             : 
      93             :     std::string m_osComment{};  // field comment. Might be empty
      94             : 
      95             :     int m_nTZFlag = OGR_TZFLAG_UNKNOWN;
      96             :     bool m_bSealed = false;
      97             : 
      98             :   public:
      99             :     OGRFieldDefn(const char *, OGRFieldType);
     100             :     explicit OGRFieldDefn(const OGRFieldDefn *);
     101             :     ~OGRFieldDefn();
     102             : 
     103             :     // Copy constructor
     104             :     OGRFieldDefn(const OGRFieldDefn &oOther);
     105             : 
     106             :     // Copy assignment operator
     107             :     OGRFieldDefn &operator=(const OGRFieldDefn &oOther);
     108             : 
     109             :     void SetName(const char *);
     110             : 
     111    21563855 :     const char *GetNameRef() const
     112             :     {
     113    21563855 :         return pszName;
     114             :     }
     115             : 
     116             :     void SetAlternativeName(const char *);
     117             : 
     118      917887 :     const char *GetAlternativeNameRef() const
     119             :     {
     120      917887 :         return pszAlternativeName;
     121             :     }
     122             : 
     123    37325268 :     OGRFieldType GetType() const
     124             :     {
     125    37325268 :         return eType;
     126             :     }
     127             : 
     128             :     void SetType(OGRFieldType eTypeIn);
     129             :     static const char *GetFieldTypeName(OGRFieldType);
     130             :     static OGRFieldType GetFieldTypeByName(const char *);
     131             : 
     132     5162518 :     OGRFieldSubType GetSubType() const
     133             :     {
     134     5162518 :         return eSubType;
     135             :     }
     136             : 
     137             :     void SetSubType(OGRFieldSubType eSubTypeIn);
     138             :     static const char *GetFieldSubTypeName(OGRFieldSubType);
     139             :     static OGRFieldSubType GetFieldSubTypeByName(const char *);
     140             : 
     141      759914 :     OGRJustification GetJustify() const
     142             :     {
     143      759914 :         return eJustify;
     144             :     }
     145             : 
     146       85769 :     void SetJustify(OGRJustification eJustifyIn)
     147             :     {
     148       85769 :         eJustify = eJustifyIn;
     149       85769 :     }
     150             : 
     151     5587695 :     int GetWidth() const
     152             :     {
     153     5587695 :         return nWidth;
     154             :     }
     155             : 
     156             :     void SetWidth(int nWidthIn);
     157             : 
     158      913892 :     int GetPrecision() const
     159             :     {
     160      913892 :         return nPrecision;
     161             :     }
     162             : 
     163             :     void SetPrecision(int nPrecisionIn);
     164             : 
     165      773509 :     int GetTZFlag() const
     166             :     {
     167      773509 :         return m_nTZFlag;
     168             :     }
     169             : 
     170             :     void SetTZFlag(int nTZFlag);
     171             : 
     172             :     void Set(const char *, OGRFieldType, int = 0, int = 0,
     173             :              OGRJustification = OJUndefined);
     174             : 
     175             :     void SetDefault(const char *);
     176             :     const char *GetDefault() const;
     177             :     int IsDefaultDriverSpecific() const;
     178             : 
     179      966428 :     int IsIgnored() const
     180             :     {
     181      966428 :         return bIgnore;
     182             :     }
     183             : 
     184       55311 :     void SetIgnored(int bIgnoreIn)
     185             :     {
     186       55311 :         bIgnore = bIgnoreIn;
     187       55311 :     }
     188             : 
     189      957764 :     int IsNullable() const
     190             :     {
     191      957764 :         return bNullable;
     192             :     }
     193             : 
     194             :     void SetNullable(int bNullableIn);
     195             : 
     196      916750 :     int IsUnique() const
     197             :     {
     198      916750 :         return bUnique;
     199             :     }
     200             : 
     201             :     /**
     202             :      * @brief Return whether the field is a generated field.
     203             :      *
     204             :      * At time of writing, only the GeoPackage and PG drivers fill that information. Consequently,
     205             :      * only a returned value equal to TRUE can be fully trusted.
     206             :      * @return TRUE if the field is a generated field, FALSE otherwise.
     207             :      * @since GDAL 3.11
     208             :      */
     209     5240501 :     bool IsGenerated() const
     210             :     {
     211     5240501 :         return m_bGenerated;
     212             :     }
     213             : 
     214             :     /**
     215             :      * @brief SetGenerated set the field generated status.
     216             :      * @param bGeneratedIn TRUE if the field is a generated field, FALSE otherwise.
     217             :      * @since GDAL 3.11
     218             :      */
     219        2439 :     void SetGenerated(bool bGeneratedIn)
     220             :     {
     221        2439 :         m_bGenerated = bGeneratedIn;
     222        2439 :     }
     223             : 
     224             :     void SetUnique(int bUniqueIn);
     225             : 
     226       62052 :     const std::string &GetDomainName() const
     227             :     {
     228       62052 :         return m_osDomainName;
     229             :     }
     230             : 
     231             :     void SetDomainName(const std::string &osDomainName);
     232             : 
     233      916848 :     const std::string &GetComment() const
     234             :     {
     235      916848 :         return m_osComment;
     236             :     }
     237             : 
     238             :     void SetComment(const std::string &osComment);
     239             : 
     240             :     int IsSame(const OGRFieldDefn *) const;
     241             : 
     242             :     /** Convert a OGRFieldDefn* to a OGRFieldDefnH.
     243             :      */
     244      477453 :     static inline OGRFieldDefnH ToHandle(OGRFieldDefn *poFieldDefn)
     245             :     {
     246      477453 :         return reinterpret_cast<OGRFieldDefnH>(poFieldDefn);
     247             :     }
     248             : 
     249             :     /** Convert a OGRFieldDefnH to a OGRFieldDefn*.
     250             :      */
     251      560282 :     static inline OGRFieldDefn *FromHandle(OGRFieldDefnH hFieldDefn)
     252             :     {
     253      560282 :         return reinterpret_cast<OGRFieldDefn *>(hFieldDefn);
     254             :     }
     255             : 
     256             :     void Seal();
     257             : 
     258             :     void Unseal();
     259             : 
     260             :     /*! @cond Doxygen_Suppress */
     261             :     struct CPL_DLL TemporaryUnsealer
     262             :     {
     263             :       private:
     264             :         OGRFieldDefn *m_poFieldDefn = nullptr;
     265             :         CPL_DISALLOW_COPY_ASSIGN(TemporaryUnsealer)
     266             :       public:
     267         235 :         explicit TemporaryUnsealer(OGRFieldDefn *poFieldDefn)
     268         235 :             : m_poFieldDefn(poFieldDefn)
     269             :         {
     270         235 :             m_poFieldDefn->Unseal();
     271         235 :         }
     272             : 
     273             :         TemporaryUnsealer(TemporaryUnsealer &&) = default;
     274             :         TemporaryUnsealer &operator=(TemporaryUnsealer &&) = default;
     275             : 
     276         235 :         ~TemporaryUnsealer()
     277         235 :         {
     278         235 :             m_poFieldDefn->Seal();
     279         235 :         }
     280             : 
     281          84 :         OGRFieldDefn *operator->()
     282             :         {
     283          84 :             return m_poFieldDefn;
     284             :         }
     285             :     };
     286             : 
     287             :     /*! @endcond */
     288             : 
     289             :     TemporaryUnsealer GetTemporaryUnsealer();
     290             : };
     291             : 
     292             : #ifdef GDAL_COMPILATION
     293             : /** Return an object that temporary unseals the OGRFieldDefn.
     294             :  *
     295             :  * The returned object calls Unseal() initially, and when it is destroyed
     296             :  * it calls Seal().
     297             :  *
     298             :  * This method should only be called by driver implementations.
     299             :  *
     300             :  * Usage: whileUnsealing(poFieldDefn)->some_method();
     301             :  *
     302             :  * @since GDAL 3.9
     303             :  */
     304          84 : inline OGRFieldDefn::TemporaryUnsealer whileUnsealing(OGRFieldDefn *object)
     305             : {
     306          84 :     return object->GetTemporaryUnsealer();
     307             : }
     308             : #endif
     309             : 
     310             : /************************************************************************/
     311             : /*                           OGRGeomFieldDefn                           */
     312             : /************************************************************************/
     313             : 
     314             : /**
     315             :  * Definition of a geometry field of an OGRFeatureDefn. A geometry field is
     316             :  * described by :
     317             :  * <ul>
     318             :  * <li>a name. See SetName() / GetNameRef()</li>
     319             :  * <li>a type: wkbPoint, wkbLineString, ... See SetType() / GetType()</li>
     320             :  * <li>a spatial reference system (optional). See SetSpatialRef() /
     321             :  * GetSpatialRef()</li> <li>a NOT NULL constraint (optional). See SetNullable()
     322             :  * / IsNullable()</li> <li>a boolean to indicate whether it should be ignored
     323             :  * when retrieving features.  See SetIgnored() / IsIgnored()</li>
     324             :  * </ul>
     325             :  *
     326             :  * Note that once a OGRGeomFieldDefn has been added to a layer definition with
     327             :  * OGRLayer::AddGeomFieldDefn(), its setter methods should not be called on the
     328             :  * object returned with OGRLayer::GetLayerDefn()->GetGeomFieldDefn(). Instead,
     329             :  * OGRLayer::AlterGeomFieldDefn() should be called on a new instance of
     330             :  * OGRFieldDefn, for drivers that support AlterFieldDefn().
     331             :  *
     332             :  */
     333             : 
     334             : class CPL_DLL OGRGeomFieldDefn
     335             : {
     336             :   protected:
     337             :     //! @cond Doxygen_Suppress
     338             :     char *pszName = nullptr;
     339             :     OGRwkbGeometryType eGeomType =
     340             :         wkbUnknown; /* all values possible except wkbNone */
     341             :     mutable const OGRSpatialReference *poSRS = nullptr;
     342             : 
     343             :     int bIgnore = false;
     344             :     mutable int bNullable = true;
     345             :     bool m_bSealed = false;
     346             :     OGRGeomCoordinatePrecision m_oCoordPrecision{};
     347             : 
     348             :     void Initialize(const char *, OGRwkbGeometryType);
     349             :     //! @endcond
     350             : 
     351             :   public:
     352             :     OGRGeomFieldDefn(const char *pszNameIn, OGRwkbGeometryType eGeomTypeIn);
     353             :     explicit OGRGeomFieldDefn(const OGRGeomFieldDefn *);
     354             :     virtual ~OGRGeomFieldDefn();
     355             : 
     356             :     // Copy constructor
     357             :     OGRGeomFieldDefn(const OGRGeomFieldDefn &oOther);
     358             : 
     359             :     // Move constructor
     360             :     OGRGeomFieldDefn(OGRGeomFieldDefn &&oOther);
     361             : 
     362             :     // Copy assignment operator
     363             :     OGRGeomFieldDefn &operator=(const OGRGeomFieldDefn &oOther);
     364             : 
     365             :     // Move assignment operator
     366             :     OGRGeomFieldDefn &operator=(OGRGeomFieldDefn &&oOther);
     367             : 
     368             :     void SetName(const char *);
     369             : 
     370      165330 :     const char *GetNameRef() const
     371             :     {
     372      165330 :         return pszName;
     373             :     }
     374             : 
     375      756871 :     OGRwkbGeometryType GetType() const
     376             :     {
     377      756871 :         return eGeomType;
     378             :     }
     379             : 
     380             :     void SetType(OGRwkbGeometryType eTypeIn);
     381             : 
     382             :     virtual const OGRSpatialReference *GetSpatialRef() const;
     383             :     void SetSpatialRef(const OGRSpatialReference *poSRSIn);
     384             : 
     385      194887 :     int IsIgnored() const
     386             :     {
     387      194887 :         return bIgnore;
     388             :     }
     389             : 
     390       10662 :     void SetIgnored(int bIgnoreIn)
     391             :     {
     392       10662 :         bIgnore = bIgnoreIn;
     393       10662 :     }
     394             : 
     395       13423 :     int IsNullable() const
     396             :     {
     397       13423 :         return bNullable;
     398             :     }
     399             : 
     400             :     void SetNullable(int bNullableIn);
     401             : 
     402        3620 :     const OGRGeomCoordinatePrecision &GetCoordinatePrecision() const
     403             :     {
     404        3620 :         return m_oCoordPrecision;
     405             :     }
     406             : 
     407             :     void SetCoordinatePrecision(const OGRGeomCoordinatePrecision &prec);
     408             : 
     409             :     int IsSame(const OGRGeomFieldDefn *) const;
     410             : 
     411             :     /** Convert a OGRGeomFieldDefn* to a OGRGeomFieldDefnH.
     412             :      */
     413         849 :     static inline OGRGeomFieldDefnH ToHandle(OGRGeomFieldDefn *poGeomFieldDefn)
     414             :     {
     415         849 :         return reinterpret_cast<OGRGeomFieldDefnH>(poGeomFieldDefn);
     416             :     }
     417             : 
     418             :     /** Convert a OGRGeomFieldDefnH to a OGRGeomFieldDefn*.
     419             :      */
     420        1184 :     static inline OGRGeomFieldDefn *FromHandle(OGRGeomFieldDefnH hGeomFieldDefn)
     421             :     {
     422        1184 :         return reinterpret_cast<OGRGeomFieldDefn *>(hGeomFieldDefn);
     423             :     }
     424             : 
     425             :     void Seal();
     426             : 
     427             :     void Unseal();
     428             : 
     429             :     /*! @cond Doxygen_Suppress */
     430             :     struct CPL_DLL TemporaryUnsealer
     431             :     {
     432             :       private:
     433             :         OGRGeomFieldDefn *m_poFieldDefn = nullptr;
     434             :         CPL_DISALLOW_COPY_ASSIGN(TemporaryUnsealer)
     435             :       public:
     436         672 :         explicit TemporaryUnsealer(OGRGeomFieldDefn *poFieldDefn)
     437         672 :             : m_poFieldDefn(poFieldDefn)
     438             :         {
     439         672 :             m_poFieldDefn->Unseal();
     440         672 :         }
     441             : 
     442             :         TemporaryUnsealer(TemporaryUnsealer &&) = default;
     443             :         TemporaryUnsealer &operator=(TemporaryUnsealer &&) = default;
     444             : 
     445         672 :         ~TemporaryUnsealer()
     446         672 :         {
     447         672 :             m_poFieldDefn->Seal();
     448         672 :         }
     449             : 
     450         640 :         OGRGeomFieldDefn *operator->()
     451             :         {
     452         640 :             return m_poFieldDefn;
     453             :         }
     454             :     };
     455             : 
     456             :     /*! @endcond */
     457             : 
     458             :     TemporaryUnsealer GetTemporaryUnsealer();
     459             : };
     460             : 
     461             : #ifdef GDAL_COMPILATION
     462             : /** Return an object that temporary unseals the OGRGeomFieldDefn.
     463             :  *
     464             :  * The returned object calls Unseal() initially, and when it is destroyed
     465             :  * it calls Seal().
     466             :  *
     467             :  * This method should only be called by driver implementations.
     468             :  *
     469             :  * Usage: whileUnsealing(poGeomFieldDefn)->some_method();
     470             :  *
     471             :  * @since GDAL 3.9
     472             :  */
     473             : inline OGRGeomFieldDefn::TemporaryUnsealer
     474         640 : whileUnsealing(OGRGeomFieldDefn *object)
     475             : {
     476         640 :     return object->GetTemporaryUnsealer();
     477             : }
     478             : #endif
     479             : 
     480             : /************************************************************************/
     481             : /*                            OGRFeatureDefn                            */
     482             : /************************************************************************/
     483             : 
     484             : /**
     485             :  * Definition of a feature class or feature layer.
     486             :  *
     487             :  * This object contains schema information for a set of OGRFeatures.  In
     488             :  * table based systems, an OGRFeatureDefn is essentially a layer.  In more
     489             :  * object oriented approaches (such as SF CORBA) this can represent a class
     490             :  * of features but doesn't necessarily relate to all of a layer, or just one
     491             :  * layer.
     492             :  *
     493             :  * This object also can contain some other information such as a name and
     494             :  * potentially other metadata.
     495             :  *
     496             :  * It is essentially a collection of field descriptions (OGRFieldDefn class).
     497             :  * In addition to attribute fields, it can also
     498             :  * contain multiple geometry fields (OGRGeomFieldDefn class).
     499             :  *
     500             :  * It is reasonable for different translators to derive classes from
     501             :  * OGRFeatureDefn with additional translator specific information.
     502             :  *
     503             :  * Note that adding, modifying, removing, reordering a OGRFieldDefn (or a
     504             :  * OGRGeomFieldDefn) from/to a OGRFeatureDefn that belongs to a OGRLayer should
     505             :  * not be done through the OGRFeatureDefn::AddFieldDefn(),
     506             :  * OGRFeatureDefn::DeleteFieldDefn() or OGRFeatureDefn::ReorderFieldDefns()
     507             :  * methods, but rather through OGRLayer::CreateField(),
     508             :  * OGRLayer::AlterFieldDefn() or OGRLayer::ReorderFields(), for drivers that
     509             :  * support those operations.
     510             :  */
     511             : 
     512             : class CPL_DLL OGRFeatureDefn
     513             : {
     514             :   protected:
     515             :     //! @cond Doxygen_Suppress
     516             :     volatile int nRefCount = 0;
     517             : 
     518             :     mutable std::vector<std::unique_ptr<OGRFieldDefn>> apoFieldDefn{};
     519             :     mutable std::vector<std::unique_ptr<OGRGeomFieldDefn>> apoGeomFieldDefn{};
     520             : 
     521             :     char *pszFeatureClassName = nullptr;
     522             : 
     523             :     bool bIgnoreStyle = false;
     524             : 
     525             :     friend class TemporaryUnsealer;
     526             :     bool m_bSealed = false;
     527             :     int m_nTemporaryUnsealCount = 0;
     528             :     //! @endcond
     529             : 
     530             :   public:
     531             :     explicit OGRFeatureDefn(const char *pszName = nullptr);
     532             :     virtual ~OGRFeatureDefn();
     533             : 
     534             :     void SetName(const char *pszName);
     535             :     virtual const char *GetName() const;
     536             : 
     537             :     virtual int GetFieldCount() const;
     538             :     virtual OGRFieldDefn *GetFieldDefn(int i);
     539             :     virtual const OGRFieldDefn *GetFieldDefn(int i) const;
     540             :     virtual int GetFieldIndex(const char *) const;
     541             :     int GetFieldIndexCaseSensitive(const char *) const;
     542             : 
     543             :     //! @cond Doxygen_Suppress
     544             :     /** Helper class to iterate over non-geometry fields.
     545             :      *
     546             :      * Note: fields should not be added or removed while iterating over them.
     547             :      */
     548             :     template <class OwnerT, class ChildT> struct CPL_DLL Fields
     549             :     {
     550             :       private:
     551             :         OwnerT m_poFDefn;
     552             : 
     553             :       public:
     554         187 :         inline explicit Fields(OwnerT poFDefn) : m_poFDefn(poFDefn)
     555             :         {
     556         187 :         }
     557             : 
     558             :         struct CPL_DLL Iterator
     559             :         {
     560             :           private:
     561             :             OwnerT m_poFDefn;
     562             :             int m_nIdx;
     563             : 
     564             :           public:
     565         368 :             inline Iterator(OwnerT poFDefn, int nIdx)
     566         368 :                 : m_poFDefn(poFDefn), m_nIdx(nIdx)
     567             :             {
     568         368 :             }
     569             : 
     570         736 :             inline ChildT operator*() const
     571             :             {
     572         736 :                 return m_poFDefn->GetFieldDefn(m_nIdx);
     573             :             }
     574             : 
     575         735 :             inline Iterator &operator++()
     576             :             {
     577         735 :                 m_nIdx++;
     578         735 :                 return *this;
     579             :             }
     580             : 
     581         919 :             inline bool operator!=(const Iterator &it) const
     582             :             {
     583         919 :                 return m_nIdx != it.m_nIdx;
     584             :             }
     585             :         };
     586             : 
     587         184 :         inline Iterator begin()
     588             :         {
     589         184 :             return Iterator(m_poFDefn, 0);
     590             :         }
     591             : 
     592         184 :         inline Iterator end()
     593             :         {
     594         184 :             return Iterator(m_poFDefn, m_poFDefn->GetFieldCount());
     595             :         }
     596             : 
     597           1 :         inline size_t size() const
     598             :         {
     599           1 :             return static_cast<std::size_t>(m_poFDefn->GetFieldCount());
     600             :         }
     601             : 
     602           2 :         inline ChildT operator[](size_t i)
     603             :         {
     604           2 :             return m_poFDefn->GetFieldDefn(static_cast<int>(i));
     605             :         }
     606             :     };
     607             : 
     608             :     //! @endcond
     609             : 
     610             :     /** Return type of GetFields() */
     611             :     using NonConstFields = Fields<OGRFeatureDefn *, OGRFieldDefn *>;
     612             : 
     613             :     /** Return an object that can be used to iterate over non-geometry fields.
     614             :         \verbatim
     615             :         for( const auto* poFieldDefn: poFeatureDefn->GetFields() )
     616             :         {
     617             :             // do something
     618             :         }
     619             :         \endverbatim
     620             : 
     621             :         @since GDAL 3.7
     622             :      */
     623          79 :     inline NonConstFields GetFields()
     624             :     {
     625          79 :         return NonConstFields(this);
     626             :     }
     627             : 
     628             :     /** Return type of GetFields() const */
     629             :     using ConstFields = Fields<const OGRFeatureDefn *, const OGRFieldDefn *>;
     630             : 
     631             :     /** Return an object that can be used to iterate over non-geometry fields.
     632             :         \verbatim
     633             :         for( const auto* poFieldDefn: poFeatureDefn->GetFields() )
     634             :         {
     635             :             // do something
     636             :         }
     637             :         \endverbatim
     638             : 
     639             :         @since GDAL 3.12
     640             :      */
     641         108 :     inline ConstFields GetFields() const
     642             :     {
     643         108 :         return ConstFields(this);
     644             :     }
     645             : 
     646             :     //! @cond Doxygen_Suppress
     647             :     // That method should only be called if there's a guarantee that
     648             :     // GetFieldCount() has been called before
     649     4246102 :     int GetFieldCountUnsafe() const
     650             :     {
     651     4246102 :         return static_cast<int>(apoFieldDefn.size());
     652             :     }
     653             : 
     654             :     // Those methods don't check i is n range.
     655     1488972 :     OGRFieldDefn *GetFieldDefnUnsafe(int i)
     656             :     {
     657     1488972 :         if (apoFieldDefn.empty())
     658           0 :             GetFieldDefn(i);
     659     1488972 :         return apoFieldDefn[static_cast<std::size_t>(i)].get();
     660             :     }
     661             : 
     662    15595900 :     const OGRFieldDefn *GetFieldDefnUnsafe(int i) const
     663             :     {
     664    15595900 :         if (apoFieldDefn.empty())
     665           0 :             GetFieldDefn(i);
     666    15595900 :         return apoFieldDefn[static_cast<std::size_t>(i)].get();
     667             :     }
     668             : 
     669             :     //! @endcond
     670             : 
     671             :     virtual void AddFieldDefn(const OGRFieldDefn *);
     672             :     virtual OGRErr DeleteFieldDefn(int iField);
     673             : 
     674             :     /**
     675             :      * @brief StealFieldDefn takes ownership of the field definition at index detaching
     676             :      *        it from the feature definition.
     677             :      * This is an advanced method designed to be only used for driver implementations.
     678             :      * @param iField index of the field definition to detach.
     679             :      * @return a unique pointer to the detached field definition or nullptr if the index is out of range.
     680             :      * @since GDAL 3.11
     681             :      */
     682             :     virtual std::unique_ptr<OGRFieldDefn> StealFieldDefn(int iField);
     683             : 
     684             :     virtual void AddFieldDefn(std::unique_ptr<OGRFieldDefn> &&poFieldDefn);
     685             : 
     686             :     virtual OGRErr ReorderFieldDefns(const int *panMap);
     687             : 
     688             :     /**
     689             :      * @brief StealGeomFieldDefn takes ownership of the the geometry field definition at index
     690             :      *        detaching it from the feature definition.
     691             :      * This is an advanced method designed to be only used for driver implementations.
     692             :      * @param iField index of the geometry field definition to detach.
     693             :      * @return a unique pointer to the detached geometry field definition or nullptr if the index is out of range.
     694             :      * @since GDAL 3.11
     695             :      */
     696             :     virtual std::unique_ptr<OGRGeomFieldDefn> StealGeomFieldDefn(int iField);
     697             : 
     698             :     virtual int GetGeomFieldCount() const;
     699             :     virtual OGRGeomFieldDefn *GetGeomFieldDefn(int i);
     700             :     virtual const OGRGeomFieldDefn *GetGeomFieldDefn(int i) const;
     701             :     virtual int GetGeomFieldIndex(const char *) const;
     702             : 
     703             :     //! @cond Doxygen_Suppress
     704             :     /** Helper class to iterate over geometry fields.
     705             :      *
     706             :      * Note: fields should not be added or removed while iterating over them.
     707             :      */
     708             :     template <class OwnerT, class ChildT> struct CPL_DLL GeomFields
     709             :     {
     710             :       private:
     711             :         OwnerT m_poFDefn;
     712             : 
     713             :       public:
     714       16284 :         inline explicit GeomFields(OwnerT poFDefn) : m_poFDefn(poFDefn)
     715             :         {
     716       16284 :         }
     717             : 
     718             :         struct CPL_DLL Iterator
     719             :         {
     720             :           private:
     721             :             OwnerT m_poFDefn;
     722             :             int m_nIdx;
     723             : 
     724             :           public:
     725       32560 :             inline Iterator(OwnerT poFDefn, int nIdx)
     726       32560 :                 : m_poFDefn(poFDefn), m_nIdx(nIdx)
     727             :             {
     728       32560 :             }
     729             : 
     730       16272 :             inline ChildT operator*() const
     731             :             {
     732       16272 :                 return m_poFDefn->GetGeomFieldDefn(m_nIdx);
     733             :             }
     734             : 
     735       16268 :             inline Iterator &operator++()
     736             :             {
     737       16268 :                 m_nIdx++;
     738       16268 :                 return *this;
     739             :             }
     740             : 
     741       32548 :             inline bool operator!=(const Iterator &it) const
     742             :             {
     743       32548 :                 return m_nIdx != it.m_nIdx;
     744             :             }
     745             :         };
     746             : 
     747       16280 :         inline Iterator begin()
     748             :         {
     749       16280 :             return Iterator(m_poFDefn, 0);
     750             :         }
     751             : 
     752       16280 :         inline Iterator end()
     753             :         {
     754       16280 :             return Iterator(m_poFDefn, m_poFDefn->GetGeomFieldCount());
     755             :         }
     756             : 
     757           1 :         inline size_t size() const
     758             :         {
     759           1 :             return static_cast<std::size_t>(m_poFDefn->GetGeomFieldCount());
     760             :         }
     761             : 
     762           3 :         inline ChildT operator[](size_t i) const
     763             :         {
     764           3 :             return m_poFDefn->GetGeomFieldDefn(static_cast<int>(i));
     765             :         }
     766             :     };
     767             : 
     768             :     //! @endcond
     769             : 
     770             :     /** Return type of GetGeomFields() */
     771             :     using NonConstGeomFields = GeomFields<OGRFeatureDefn *, OGRGeomFieldDefn *>;
     772             : 
     773             :     /** Return an object that can be used to iterate over geometry fields.
     774             :         \verbatim
     775             :         for( const auto* poGeomFieldDefn: poFeatureDefn->GetGeomFields() )
     776             :         {
     777             :             // do something
     778             :         }
     779             :         \endverbatim
     780             : 
     781             :         @since GDAL 3.7
     782             :      */
     783          14 :     inline NonConstGeomFields GetGeomFields()
     784             :     {
     785          14 :         return NonConstGeomFields(this);
     786             :     }
     787             : 
     788             :     /** Return type of GetGeomFields() const */
     789             :     using ConstGeomFields =
     790             :         GeomFields<const OGRFeatureDefn *, const OGRGeomFieldDefn *>;
     791             : 
     792             :     /** Return an object that can be used to iterate over geometry fields.
     793             :         \verbatim
     794             :         for( const auto* poGeomFieldDefn: poFeatureDefn->GetGeomFields() )
     795             :         {
     796             :             // do something
     797             :         }
     798             :         \endverbatim
     799             : 
     800             :         @since GDAL 3.12
     801             :      */
     802       16270 :     inline ConstGeomFields GetGeomFields() const
     803             :     {
     804       16270 :         return ConstGeomFields(this);
     805             :     }
     806             : 
     807             :     virtual void AddGeomFieldDefn(const OGRGeomFieldDefn *);
     808             :     virtual void AddGeomFieldDefn(std::unique_ptr<OGRGeomFieldDefn> &&);
     809             :     virtual OGRErr DeleteGeomFieldDefn(int iGeomField);
     810             : 
     811             :     virtual OGRwkbGeometryType GetGeomType() const;
     812             :     virtual void SetGeomType(OGRwkbGeometryType);
     813             : 
     814             :     virtual OGRFeatureDefn *Clone() const;
     815             : 
     816     2335366 :     int Reference()
     817             :     {
     818     2335366 :         return CPLAtomicInc(&nRefCount);
     819             :     }
     820             : 
     821     2335240 :     int Dereference()
     822             :     {
     823     2335240 :         return CPLAtomicDec(&nRefCount);
     824             :     }
     825             : 
     826          16 :     int GetReferenceCount() const
     827             :     {
     828          16 :         return nRefCount;
     829             :     }
     830             : 
     831             :     void Release();
     832             : 
     833             :     virtual int IsGeometryIgnored() const;
     834             :     virtual void SetGeometryIgnored(int bIgnore);
     835             : 
     836          13 :     virtual bool IsStyleIgnored() const
     837             :     {
     838          13 :         return bIgnoreStyle;
     839             :     }
     840             : 
     841        7755 :     virtual void SetStyleIgnored(bool bIgnore)
     842             :     {
     843        7755 :         bIgnoreStyle = bIgnore;
     844        7755 :     }
     845             : 
     846             :     virtual int IsSame(const OGRFeatureDefn *poOtherFeatureDefn) const;
     847             : 
     848             :     //! @cond Doxygen_Suppress
     849             :     void ReserveSpaceForFields(int nFieldCountIn);
     850             :     //! @endcond
     851             : 
     852             :     std::vector<int> ComputeMapForSetFrom(const OGRFeatureDefn *poSrcFDefn,
     853             :                                           bool bForgiving = true) const;
     854             : 
     855             :     static OGRFeatureDefn *CreateFeatureDefn(const char *pszName = nullptr);
     856             :     static void DestroyFeatureDefn(OGRFeatureDefn *);
     857             : 
     858             :     /** Convert a OGRFeatureDefn* to a OGRFeatureDefnH.
     859             :      */
     860      183015 :     static inline OGRFeatureDefnH ToHandle(OGRFeatureDefn *poFeatureDefn)
     861             :     {
     862      183015 :         return reinterpret_cast<OGRFeatureDefnH>(poFeatureDefn);
     863             :     }
     864             : 
     865             :     /** Convert a OGRFeatureDefnH to a OGRFeatureDefn*.
     866             :      */
     867      751195 :     static inline OGRFeatureDefn *FromHandle(OGRFeatureDefnH hFeatureDefn)
     868             :     {
     869      751195 :         return reinterpret_cast<OGRFeatureDefn *>(hFeatureDefn);
     870             :     }
     871             : 
     872             :     void Seal(bool bSealFields);
     873             : 
     874             :     void Unseal(bool bUnsealFields);
     875             : 
     876             :     /*! @cond Doxygen_Suppress */
     877             :     struct CPL_DLL TemporaryUnsealer
     878             :     {
     879             :       private:
     880             :         OGRFeatureDefn *m_poFeatureDefn = nullptr;
     881             :         bool m_bSealFields = false;
     882             :         CPL_DISALLOW_COPY_ASSIGN(TemporaryUnsealer)
     883             :       public:
     884             :         explicit TemporaryUnsealer(OGRFeatureDefn *poFeatureDefn,
     885             :                                    bool bSealFields);
     886             : 
     887             :         TemporaryUnsealer(TemporaryUnsealer &&) = default;
     888             :         TemporaryUnsealer &operator=(TemporaryUnsealer &&) = default;
     889             : 
     890             :         ~TemporaryUnsealer();
     891             : 
     892       28165 :         OGRFeatureDefn *operator->()
     893             :         {
     894       28165 :             return m_poFeatureDefn;
     895             :         }
     896             :     };
     897             : 
     898             :     /*! @endcond */
     899             : 
     900             :     TemporaryUnsealer GetTemporaryUnsealer(bool bSealFields = true);
     901             : 
     902             :   private:
     903             :     CPL_DISALLOW_COPY_ASSIGN(OGRFeatureDefn)
     904             : };
     905             : 
     906             : #ifdef GDAL_COMPILATION
     907             : /** Return an object that temporary unseals the OGRFeatureDefn
     908             :  *
     909             :  * The returned object calls Unseal() initially, and when it is destroyed
     910             :  * it calls Seal().
     911             :  * This method should be called on a OGRFeatureDefn that has been sealed
     912             :  * previously.
     913             :  * GetTemporaryUnsealer() calls may be nested, in which case only the first
     914             :  * one has an effect (similarly to a recursive mutex locked in a nested way
     915             :  * from the same thread).
     916             :  *
     917             :  * This method should only be called by driver implementations.
     918             :  *
     919             :  * Usage: whileUnsealing(poFeatureDefn)->some_method();
     920             :  *
     921             :  * @param bSealFields Whether fields and geometry fields should be unsealed and
     922             :  *                    resealed.
     923             :  *                    This is generally desirable, but in case of deferred
     924             :  *                    resolution of them, this parameter should be set to false.
     925             :  * @since GDAL 3.9
     926             :  */
     927       28165 : inline OGRFeatureDefn::TemporaryUnsealer whileUnsealing(OGRFeatureDefn *object,
     928             :                                                         bool bSealFields = true)
     929             : {
     930       28165 :     return object->GetTemporaryUnsealer(bSealFields);
     931             : }
     932             : #endif
     933             : 
     934             : /************************************************************************/
     935             : /*                              OGRFeature                              */
     936             : /************************************************************************/
     937             : 
     938             : /**
     939             :  * A simple feature, including geometry and attributes.
     940             :  */
     941             : 
     942             : class CPL_DLL OGRFeature
     943             : {
     944             :   private:
     945             :     GIntBig nFID;
     946             :     const OGRFeatureDefn *poDefn;
     947             :     OGRGeometry **papoGeometries;
     948             :     OGRField *pauFields;
     949             :     char *m_pszNativeData;
     950             :     char *m_pszNativeMediaType;
     951             : 
     952             :     bool SetFieldInternal(int i, const OGRField *puValue);
     953             : 
     954             :   protected:
     955             :     //! @cond Doxygen_Suppress
     956             :     mutable char *m_pszStyleString;
     957             :     mutable OGRStyleTable *m_poStyleTable;
     958             :     mutable char *m_pszTmpFieldValue;
     959             :     //! @endcond
     960             : 
     961             :     bool CopySelfTo(OGRFeature *poNew) const;
     962             : 
     963             :   public:
     964             :     explicit OGRFeature(const OGRFeatureDefn *);
     965             :     virtual ~OGRFeature();
     966             : 
     967             :     /** Field value. */
     968          51 :     class CPL_DLL FieldValue
     969             :     {
     970             :         friend class OGRFeature;
     971             :         struct Private;
     972             :         std::unique_ptr<Private> m_poPrivate;
     973             : 
     974             :         FieldValue(OGRFeature *poFeature, int iFieldIndex);
     975             :         FieldValue(const OGRFeature *poFeature, int iFieldIndex);
     976             :         FieldValue(const FieldValue &oOther) = delete;
     977             :         FieldValue &Assign(const FieldValue &oOther);
     978             : 
     979             :       public:
     980             :         //! @cond Doxygen_Suppress
     981             :         ~FieldValue();
     982             : 
     983             :         FieldValue &operator=(FieldValue &&oOther);
     984             :         //! @endcond
     985             : 
     986             :         /** Set a field value from another one. */
     987             :         FieldValue &operator=(const FieldValue &oOther);
     988             :         /** Set an integer value to the field. */
     989             :         FieldValue &operator=(int nVal);
     990             :         /** Set an integer value to the field. */
     991             :         FieldValue &operator=(GIntBig nVal);
     992             :         /** Set a real value to the field. */
     993             :         FieldValue &operator=(double dfVal);
     994             :         /** Set a string value to the field. */
     995             :         FieldValue &operator=(const char *pszVal);
     996             :         /** Set a string value to the field. */
     997             :         FieldValue &operator=(const std::string &osVal);
     998             :         /** Set an array of integer to the field. */
     999             :         FieldValue &operator=(const std::vector<int> &oArray);
    1000             :         /** Set an array of big integer to the field. */
    1001             :         FieldValue &operator=(const std::vector<GIntBig> &oArray);
    1002             :         /** Set an array of double to the field. */
    1003             :         FieldValue &operator=(const std::vector<double> &oArray);
    1004             :         /** Set an array of strings to the field. */
    1005             :         FieldValue &operator=(const std::vector<std::string> &oArray);
    1006             :         /** Set an array of strings to the field. */
    1007             :         FieldValue &operator=(CSLConstList papszValues);
    1008             :         /** Set a null value to the field. */
    1009             :         void SetNull();
    1010             :         /** Unset the field. */
    1011             :         void clear();
    1012             : 
    1013             :         /** Unset the field. */
    1014           2 :         void Unset()
    1015             :         {
    1016           2 :             clear();
    1017           2 :         }
    1018             : 
    1019             :         /** Set date time value/ */
    1020             :         void SetDateTime(int nYear, int nMonth, int nDay, int nHour = 0,
    1021             :                          int nMinute = 0, float fSecond = 0.f, int nTZFlag = 0);
    1022             : 
    1023             :         /** Return field index. */
    1024             :         int GetIndex() const;
    1025             :         /** Return field definition. */
    1026             :         const OGRFieldDefn *GetDefn() const;
    1027             : 
    1028             :         /** Return field name. */
    1029          11 :         const char *GetName() const
    1030             :         {
    1031          11 :             return GetDefn()->GetNameRef();
    1032             :         }
    1033             : 
    1034             :         /** Return field type. */
    1035          23 :         OGRFieldType GetType() const
    1036             :         {
    1037          23 :             return GetDefn()->GetType();
    1038             :         }
    1039             : 
    1040             :         /** Return field subtype. */
    1041          11 :         OGRFieldSubType GetSubType() const
    1042             :         {
    1043          11 :             return GetDefn()->GetSubType();
    1044             :         }
    1045             : 
    1046             :         /** Return whether the field value is unset/empty. */
    1047             :         // cppcheck-suppress functionStatic
    1048           1 :         bool empty() const
    1049             :         {
    1050           1 :             return IsUnset();
    1051             :         }
    1052             : 
    1053             :         /** Return whether the field value is unset/empty. */
    1054             :         // cppcheck-suppress functionStatic
    1055             :         bool IsUnset() const;
    1056             : 
    1057             :         /** Return whether the field value is null. */
    1058             :         // cppcheck-suppress functionStatic
    1059             :         bool IsNull() const;
    1060             : 
    1061             :         /** Return the raw field value */
    1062             :         const OGRField *GetRawValue() const;
    1063             : 
    1064             :         /** Return the integer value.
    1065             :          * Only use that method if and only if GetType() == OFTInteger.
    1066             :          */
    1067             :         // cppcheck-suppress functionStatic
    1068           3 :         int GetInteger() const
    1069             :         {
    1070           3 :             return GetRawValue()->Integer;
    1071             :         }
    1072             : 
    1073             :         /** Return the 64-bit integer value.
    1074             :          * Only use that method if and only if GetType() == OFTInteger64.
    1075             :          */
    1076             :         // cppcheck-suppress functionStatic
    1077           3 :         GIntBig GetInteger64() const
    1078             :         {
    1079           3 :             return GetRawValue()->Integer64;
    1080             :         }
    1081             : 
    1082             :         /** Return the double value.
    1083             :          * Only use that method if and only if GetType() == OFTReal.
    1084             :          */
    1085             :         // cppcheck-suppress functionStatic
    1086           2 :         double GetDouble() const
    1087             :         {
    1088           2 :             return GetRawValue()->Real;
    1089             :         }
    1090             : 
    1091             :         /** Return the string value.
    1092             :          * Only use that method if and only if GetType() == OFTString.
    1093             :          */
    1094             :         // cppcheck-suppress functionStatic
    1095           6 :         const char *GetString() const
    1096             :         {
    1097           6 :             return GetRawValue()->String;
    1098             :         }
    1099             : 
    1100             :         /** Return the date/time/datetime value. */
    1101             :         bool GetDateTime(int *pnYear, int *pnMonth, int *pnDay, int *pnHour,
    1102             :                          int *pnMinute, float *pfSecond, int *pnTZFlag) const;
    1103             : 
    1104             :         /** Return the field value as integer, with potential conversion */
    1105           2 :         operator int() const
    1106             :         {
    1107           2 :             return GetAsInteger();
    1108             :         }
    1109             : 
    1110             :         /** Return the field value as 64-bit integer, with potential conversion
    1111             :          */
    1112           1 :         operator GIntBig() const
    1113             :         {
    1114           1 :             return GetAsInteger64();
    1115             :         }
    1116             : 
    1117             :         /** Return the field value as double, with potential conversion */
    1118           1 :         operator double() const
    1119             :         {
    1120           1 :             return GetAsDouble();
    1121             :         }
    1122             : 
    1123             :         /** Return the field value as string, with potential conversion */
    1124           1 :         operator const char *() const
    1125             :         {
    1126           1 :             return GetAsString();
    1127             :         }
    1128             : 
    1129             :         /** Return the field value as integer list, with potential conversion */
    1130           1 :         operator const std::vector<int> &() const
    1131             :         {
    1132           1 :             return GetAsIntegerList();
    1133             :         }
    1134             : 
    1135             :         /** Return the field value as 64-bit integer list, with potential
    1136             :          * conversion */
    1137           1 :         operator const std::vector<GIntBig> &() const
    1138             :         {
    1139           1 :             return GetAsInteger64List();
    1140             :         }
    1141             : 
    1142             :         /** Return the field value as double list, with potential conversion */
    1143           1 :         operator const std::vector<double> &() const
    1144             :         {
    1145           1 :             return GetAsDoubleList();
    1146             :         }
    1147             : 
    1148             :         /** Return the field value as string list, with potential conversion */
    1149           1 :         operator const std::vector<std::string> &() const
    1150             :         {
    1151           1 :             return GetAsStringList();
    1152             :         }
    1153             : 
    1154             :         /** Return the field value as string list, with potential conversion */
    1155             :         operator CSLConstList() const;
    1156             : 
    1157             :         /** Return the field value as integer, with potential conversion */
    1158             :         int GetAsInteger() const;
    1159             :         /** Return the field value as 64-bit integer, with potential conversion
    1160             :          */
    1161             :         GIntBig GetAsInteger64() const;
    1162             :         /** Return the field value as double, with potential conversion */
    1163             :         double GetAsDouble() const;
    1164             :         /** Return the field value as string, with potential conversion */
    1165             :         const char *GetAsString() const;
    1166             :         /** Return the field value as integer list, with potential conversion */
    1167             :         const std::vector<int> &GetAsIntegerList() const;
    1168             :         /** Return the field value as 64-bit integer list, with potential
    1169             :          * conversion */
    1170             :         const std::vector<GIntBig> &GetAsInteger64List() const;
    1171             :         /** Return the field value as double list, with potential conversion */
    1172             :         const std::vector<double> &GetAsDoubleList() const;
    1173             :         /** Return the field value as string list, with potential conversion */
    1174             :         const std::vector<std::string> &GetAsStringList() const;
    1175             :     };
    1176             : 
    1177             :     /** Field value iterator class. */
    1178           4 :     class CPL_DLL ConstFieldIterator
    1179             :     {
    1180             :         friend class OGRFeature;
    1181             :         struct Private;
    1182             :         std::unique_ptr<Private> m_poPrivate;
    1183             : 
    1184             :         ConstFieldIterator(const OGRFeature *poSelf, int nPos);
    1185             : 
    1186             :       public:
    1187             :         //! @cond Doxygen_Suppress
    1188             :         ConstFieldIterator(
    1189             :             ConstFieldIterator &&oOther) noexcept;  // declared but not defined.
    1190             :         // Needed for gcc 5.4 at least
    1191             :         ~ConstFieldIterator();
    1192             :         const FieldValue &operator*() const;
    1193             :         ConstFieldIterator &operator++();
    1194             :         bool operator!=(const ConstFieldIterator &it) const;
    1195             :         //! @endcond
    1196             :     };
    1197             : 
    1198             :     /** Return begin of field value iterator.
    1199             :      *
    1200             :      * Using this iterator for standard range-based loops is safe, but
    1201             :      * due to implementation limitations, you shouldn't try to access
    1202             :      * (dereference) more than one iterator step at a time, since you will get
    1203             :      * a reference to the same object (FieldValue) at each iteration step.
    1204             :      *
    1205             :      * \code{.cpp}
    1206             :      * for( auto&& oField: poFeature )
    1207             :      * {
    1208             :      *      std::cout << oField.GetIndex() << "," << oField.GetName()<< ": " <<
    1209             :      * oField.GetAsString() << std::endl;
    1210             :      * }
    1211             :      * \endcode
    1212             :      *
    1213             :      */
    1214             :     ConstFieldIterator begin() const;
    1215             :     /** Return end of field value iterator. */
    1216             :     ConstFieldIterator end() const;
    1217             : 
    1218             :     const FieldValue operator[](int iField) const;
    1219             :     FieldValue operator[](int iField);
    1220             : 
    1221             : #if defined(__clang__)
    1222             : #pragma clang diagnostic push
    1223             : #pragma clang diagnostic ignored "-Wweak-vtables"
    1224             : #endif
    1225             : 
    1226             :     /** Exception raised by operator[](const char*) when a field is not found.
    1227             :      */
    1228             :     class FieldNotFoundException final : public std::exception
    1229             :     {
    1230             :     };
    1231             : 
    1232             : #if defined(__clang__)
    1233             : #pragma clang diagnostic pop
    1234             : #endif
    1235             : 
    1236             :     const FieldValue operator[](const char *pszFieldName) const;
    1237             :     FieldValue operator[](const char *pszFieldName);
    1238             : 
    1239     1143538 :     const OGRFeatureDefn *GetDefnRef() const
    1240             :     {
    1241     1143538 :         return poDefn;
    1242             :     }
    1243             : 
    1244             :     //! @cond Doxygen_Suppress
    1245             :     void SetFDefnUnsafe(OGRFeatureDefn *poNewFDefn);
    1246             :     //! @endcond
    1247             : 
    1248             :     OGRErr SetGeometryDirectly(OGRGeometry *);
    1249             :     OGRErr SetGeometry(const OGRGeometry *);
    1250             :     OGRErr SetGeometry(std::unique_ptr<OGRGeometry>);
    1251             :     OGRGeometry *GetGeometryRef();
    1252             :     const OGRGeometry *GetGeometryRef() const;
    1253             :     OGRGeometry *StealGeometry() CPL_WARN_UNUSED_RESULT;
    1254             : 
    1255     7715300 :     int GetGeomFieldCount() const
    1256             :     {
    1257     7715300 :         return poDefn->GetGeomFieldCount();
    1258             :     }
    1259             : 
    1260        9512 :     const OGRGeomFieldDefn *GetGeomFieldDefnRef(int iField) const
    1261             :     {
    1262        9512 :         return poDefn->GetGeomFieldDefn(iField);
    1263             :     }
    1264             : 
    1265        9223 :     int GetGeomFieldIndex(const char *pszName) const
    1266             :     {
    1267        9223 :         return poDefn->GetGeomFieldIndex(pszName);
    1268             :     }
    1269             : 
    1270             :     OGRGeometry *GetGeomFieldRef(int iField);
    1271             :     const OGRGeometry *GetGeomFieldRef(int iField) const;
    1272             :     OGRGeometry *StealGeometry(int iField);
    1273             :     OGRGeometry *GetGeomFieldRef(const char *pszFName);
    1274             :     const OGRGeometry *GetGeomFieldRef(const char *pszFName) const;
    1275             :     OGRErr SetGeomFieldDirectly(int iField, OGRGeometry *);
    1276             :     OGRErr SetGeomField(int iField, const OGRGeometry *);
    1277             :     OGRErr SetGeomField(int iField, std::unique_ptr<OGRGeometry>);
    1278             : 
    1279             :     void Reset();
    1280             : 
    1281             :     OGRFeature *Clone() const CPL_WARN_UNUSED_RESULT;
    1282             :     virtual OGRBoolean Equal(const OGRFeature *poFeature) const;
    1283             : 
    1284      551217 :     int GetFieldCount() const
    1285             :     {
    1286      551217 :         return poDefn->GetFieldCount();
    1287             :     }
    1288             : 
    1289      627754 :     const OGRFieldDefn *GetFieldDefnRef(int iField) const
    1290             :     {
    1291      627754 :         return poDefn->GetFieldDefn(iField);
    1292             :     }
    1293             : 
    1294     2534044 :     int GetFieldIndex(const char *pszName) const
    1295             :     {
    1296     2534044 :         return poDefn->GetFieldIndex(pszName);
    1297             :     }
    1298             : 
    1299             :     int IsFieldSet(int iField) const;
    1300             : 
    1301             :     void UnsetField(int iField);
    1302             : 
    1303             :     bool IsFieldNull(int iField) const;
    1304             : 
    1305             :     void SetFieldNull(int iField);
    1306             : 
    1307             :     bool IsFieldSetAndNotNull(int iField) const;
    1308             : 
    1309      419998 :     OGRField *GetRawFieldRef(int i)
    1310             :     {
    1311      419998 :         return pauFields + i;
    1312             :     }
    1313             : 
    1314         605 :     const OGRField *GetRawFieldRef(int i) const
    1315             :     {
    1316         605 :         return pauFields + i;
    1317             :     }
    1318             : 
    1319             :     int GetFieldAsInteger(int i) const;
    1320             :     GIntBig GetFieldAsInteger64(int i) const;
    1321             :     double GetFieldAsDouble(int i) const;
    1322             :     const char *GetFieldAsString(int i) const;
    1323             :     const char *GetFieldAsISO8601DateTime(int i,
    1324             :                                           CSLConstList papszOptions) const;
    1325             :     const int *GetFieldAsIntegerList(int i, int *pnCount) const;
    1326             :     const GIntBig *GetFieldAsInteger64List(int i, int *pnCount) const;
    1327             :     const double *GetFieldAsDoubleList(int i, int *pnCount) const;
    1328             :     char **GetFieldAsStringList(int i) const;
    1329             :     GByte *GetFieldAsBinary(int i, int *pnCount) const;
    1330             :     int GetFieldAsDateTime(int i, int *pnYear, int *pnMonth, int *pnDay,
    1331             :                            int *pnHour, int *pnMinute, int *pnSecond,
    1332             :                            int *pnTZFlag) const;
    1333             :     int GetFieldAsDateTime(int i, int *pnYear, int *pnMonth, int *pnDay,
    1334             :                            int *pnHour, int *pnMinute, float *pfSecond,
    1335             :                            int *pnTZFlag) const;
    1336             :     char *GetFieldAsSerializedJSon(int i) const;
    1337             : 
    1338             :     //! @cond Doxygen_Suppress
    1339    30979549 :     bool IsFieldSetUnsafe(int i) const
    1340             :     {
    1341    39670667 :         return !(pauFields[i].Set.nMarker1 == OGRUnsetMarker &&
    1342     8691058 :                  pauFields[i].Set.nMarker2 == OGRUnsetMarker &&
    1343    39670567 :                  pauFields[i].Set.nMarker3 == OGRUnsetMarker);
    1344             :     }
    1345             : 
    1346    13343231 :     bool IsFieldNullUnsafe(int i) const
    1347             :     {
    1348    13405047 :         return (pauFields[i].Set.nMarker1 == OGRNullMarker &&
    1349    13405047 :                 pauFields[i].Set.nMarker2 == OGRNullMarker &&
    1350    13405047 :                 pauFields[i].Set.nMarker3 == OGRNullMarker);
    1351             :     }
    1352             : 
    1353    17458449 :     bool IsFieldSetAndNotNullUnsafe(int i) const
    1354             :     {
    1355    17458449 :         return IsFieldSetUnsafe(i) && !IsFieldNullUnsafe(i);
    1356             :     }
    1357             : 
    1358             :     // Those methods should only be called on a field that is of the type
    1359             :     // consistent with the value, and that is set.
    1360       51767 :     int GetFieldAsIntegerUnsafe(int i) const
    1361             :     {
    1362       51767 :         return pauFields[i].Integer;
    1363             :     }
    1364             : 
    1365       16330 :     GIntBig GetFieldAsInteger64Unsafe(int i) const
    1366             :     {
    1367       16330 :         return pauFields[i].Integer64;
    1368             :     }
    1369             : 
    1370       41820 :     double GetFieldAsDoubleUnsafe(int i) const
    1371             :     {
    1372       41820 :         return pauFields[i].Real;
    1373             :     }
    1374             : 
    1375     4468250 :     const char *GetFieldAsStringUnsafe(int i) const
    1376             :     {
    1377     4468250 :         return pauFields[i].String;
    1378             :     }
    1379             : 
    1380             :     //! @endcond
    1381             : 
    1382       10267 :     int GetFieldAsInteger(const char *pszFName) const
    1383             :     {
    1384       10267 :         return GetFieldAsInteger(GetFieldIndex(pszFName));
    1385             :     }
    1386             : 
    1387        6937 :     GIntBig GetFieldAsInteger64(const char *pszFName) const
    1388             :     {
    1389        6937 :         return GetFieldAsInteger64(GetFieldIndex(pszFName));
    1390             :     }
    1391             : 
    1392         358 :     double GetFieldAsDouble(const char *pszFName) const
    1393             :     {
    1394         358 :         return GetFieldAsDouble(GetFieldIndex(pszFName));
    1395             :     }
    1396             : 
    1397       28042 :     const char *GetFieldAsString(const char *pszFName) const
    1398             :     {
    1399       28042 :         return GetFieldAsString(GetFieldIndex(pszFName));
    1400             :     }
    1401             : 
    1402             :     const char *GetFieldAsISO8601DateTime(const char *pszFName,
    1403             :                                           CSLConstList papszOptions) const
    1404             :     {
    1405             :         return GetFieldAsISO8601DateTime(GetFieldIndex(pszFName), papszOptions);
    1406             :     }
    1407             : 
    1408         120 :     const int *GetFieldAsIntegerList(const char *pszFName, int *pnCount) const
    1409             :     {
    1410         120 :         return GetFieldAsIntegerList(GetFieldIndex(pszFName), pnCount);
    1411             :     }
    1412             : 
    1413             :     const GIntBig *GetFieldAsInteger64List(const char *pszFName,
    1414             :                                            int *pnCount) const
    1415             :     {
    1416             :         return GetFieldAsInteger64List(GetFieldIndex(pszFName), pnCount);
    1417             :     }
    1418             : 
    1419          21 :     const double *GetFieldAsDoubleList(const char *pszFName, int *pnCount) const
    1420             :     {
    1421          21 :         return GetFieldAsDoubleList(GetFieldIndex(pszFName), pnCount);
    1422             :     }
    1423             : 
    1424         491 :     char **GetFieldAsStringList(const char *pszFName) const
    1425             :     {
    1426         491 :         return GetFieldAsStringList(GetFieldIndex(pszFName));
    1427             :     }
    1428             : 
    1429             :     void SetField(int i, int nValue);
    1430             :     void SetField(int i, GIntBig nValue);
    1431             :     void SetField(int i, double dfValue);
    1432             :     void SetField(int i, const char *pszValue);
    1433             : #if defined(DOXYGEN_SKIP) || __cplusplus >= 201703L ||                         \
    1434             :     (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
    1435             :     void SetField(int i, std::string_view svValue);
    1436             : 
    1437             :     //! @cond Doxygen_Suppress
    1438        2251 :     inline void SetField(int i, const std::string &osValue)
    1439             :     {
    1440        2251 :         SetField(i, osValue.c_str());
    1441        2251 :     }
    1442             : 
    1443             :     //! @endcond
    1444             : #endif
    1445             :     void SetField(int i, int nCount, const int *panValues);
    1446             :     void SetField(int i, int nCount, const GIntBig *panValues);
    1447             :     void SetField(int i, int nCount, const double *padfValues);
    1448             :     void SetField(int i, const char *const *papszValues);
    1449             :     void SetField(int i, const OGRField *puValue);
    1450             :     void SetField(int i, int nCount, const void *pabyBinary);
    1451             :     void SetField(int i, int nYear, int nMonth, int nDay, int nHour = 0,
    1452             :                   int nMinute = 0, float fSecond = 0.f, int nTZFlag = 0);
    1453             : 
    1454             :     //! @cond Doxygen_Suppress
    1455             :     // Those methods should only be called on a field that is of the type
    1456             :     // consistent with the value, and in a unset state.
    1457       54369 :     void SetFieldSameTypeUnsafe(int i, int nValue)
    1458             :     {
    1459       54369 :         pauFields[i].Integer = nValue;
    1460       54369 :         pauFields[i].Set.nMarker2 = 0;
    1461       54369 :         pauFields[i].Set.nMarker3 = 0;
    1462       54369 :     }
    1463             : 
    1464       13299 :     void SetFieldSameTypeUnsafe(int i, GIntBig nValue)
    1465             :     {
    1466       13299 :         pauFields[i].Integer64 = nValue;
    1467       13299 :     }
    1468             : 
    1469       22519 :     void SetFieldSameTypeUnsafe(int i, double dfValue)
    1470             :     {
    1471       22519 :         pauFields[i].Real = dfValue;
    1472       22519 :     }
    1473             : 
    1474     1431066 :     void SetFieldSameTypeUnsafe(int i, char *pszValueTransferred)
    1475             :     {
    1476     1431066 :         pauFields[i].String = pszValueTransferred;
    1477     1431066 :     }
    1478             : 
    1479             :     //! @endcond
    1480             : 
    1481      883107 :     void SetField(const char *pszFName, int nValue)
    1482             :     {
    1483      883107 :         SetField(GetFieldIndex(pszFName), nValue);
    1484      883107 :     }
    1485             : 
    1486        1288 :     void SetField(const char *pszFName, GIntBig nValue)
    1487             :     {
    1488        1288 :         SetField(GetFieldIndex(pszFName), nValue);
    1489        1288 :     }
    1490             : 
    1491        4717 :     void SetField(const char *pszFName, double dfValue)
    1492             :     {
    1493        4717 :         SetField(GetFieldIndex(pszFName), dfValue);
    1494        4717 :     }
    1495             : 
    1496     1526182 :     void SetField(const char *pszFName, const char *pszValue)
    1497             :     {
    1498     1526182 :         SetField(GetFieldIndex(pszFName), pszValue);
    1499     1526182 :     }
    1500             : 
    1501         121 :     void SetField(const char *pszFName, int nCount, const int *panValues)
    1502             :     {
    1503         121 :         SetField(GetFieldIndex(pszFName), nCount, panValues);
    1504         121 :     }
    1505             : 
    1506           1 :     void SetField(const char *pszFName, int nCount, const GIntBig *panValues)
    1507             :     {
    1508           1 :         SetField(GetFieldIndex(pszFName), nCount, panValues);
    1509           1 :     }
    1510             : 
    1511          45 :     void SetField(const char *pszFName, int nCount, const double *padfValues)
    1512             :     {
    1513          45 :         SetField(GetFieldIndex(pszFName), nCount, padfValues);
    1514          45 :     }
    1515             : 
    1516         500 :     void SetField(const char *pszFName, const char *const *papszValues)
    1517             :     {
    1518         500 :         SetField(GetFieldIndex(pszFName), papszValues);
    1519         500 :     }
    1520             : 
    1521          86 :     void SetField(const char *pszFName, const OGRField *puValue)
    1522             :     {
    1523          86 :         SetField(GetFieldIndex(pszFName), puValue);
    1524          86 :     }
    1525             : 
    1526           3 :     void SetField(const char *pszFName, int nYear, int nMonth, int nDay,
    1527             :                   int nHour = 0, int nMinute = 0, float fSecond = 0.f,
    1528             :                   int nTZFlag = 0)
    1529             :     {
    1530           3 :         SetField(GetFieldIndex(pszFName), nYear, nMonth, nDay, nHour, nMinute,
    1531             :                  fSecond, nTZFlag);
    1532           3 :     }
    1533             : 
    1534     3711269 :     GIntBig GetFID() const
    1535             :     {
    1536     3711269 :         return nFID;
    1537             :     }
    1538             : 
    1539             :     virtual OGRErr SetFID(GIntBig nFIDIn);
    1540             : 
    1541             :     void DumpReadable(FILE *, CSLConstList papszOptions = nullptr) const;
    1542             :     std::string DumpReadableAsString(CSLConstList papszOptions = nullptr) const;
    1543             : 
    1544             :     OGRErr SetFrom(const OGRFeature *, int bForgiving = TRUE);
    1545             :     OGRErr SetFrom(const OGRFeature *, const int *panMap, int bForgiving = TRUE,
    1546             :                    bool bUseISO8601ForDateTimeAsString = false);
    1547             :     OGRErr SetFieldsFrom(const OGRFeature *, const int *panMap,
    1548             :                          int bForgiving = TRUE,
    1549             :                          bool bUseISO8601ForDateTimeAsString = false);
    1550             : 
    1551             :     //! @cond Doxygen_Suppress
    1552             :     OGRErr RemapFields(const OGRFeatureDefn *poNewDefn,
    1553             :                        const int *panRemapSource);
    1554             :     void AppendField();
    1555             :     OGRErr RemapGeomFields(const OGRFeatureDefn *poNewDefn,
    1556             :                            const int *panRemapSource);
    1557             :     //! @endcond
    1558             : 
    1559             :     int Validate(int nValidateFlags, int bEmitError) const;
    1560             :     void FillUnsetWithDefault(int bNotNullableOnly, CSLConstList papszOptions);
    1561             : 
    1562             :     bool SerializeToBinary(std::vector<GByte> &abyBuffer) const;
    1563             :     bool DeserializeFromBinary(const GByte *pabyBuffer, size_t nSize);
    1564             : 
    1565             :     virtual const char *GetStyleString() const;
    1566             :     virtual void SetStyleString(const char *);
    1567             :     virtual void SetStyleStringDirectly(char *);
    1568             : 
    1569             :     /** Return style table.
    1570             :      * @return style table.
    1571             :      */
    1572         199 :     virtual OGRStyleTable *GetStyleTable() const
    1573             :     {
    1574         199 :         return m_poStyleTable;
    1575             :     } /* f.i.x.m.e: add a const qualifier for return type */
    1576             : 
    1577             :     virtual void SetStyleTable(OGRStyleTable *poStyleTable);
    1578             :     virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable);
    1579             : 
    1580       15099 :     const char *GetNativeData() const
    1581             :     {
    1582       15099 :         return m_pszNativeData;
    1583             :     }
    1584             : 
    1585       18191 :     const char *GetNativeMediaType() const
    1586             :     {
    1587       18191 :         return m_pszNativeMediaType;
    1588             :     }
    1589             : 
    1590             :     void SetNativeData(const char *pszNativeData);
    1591             :     void SetNativeMediaType(const char *pszNativeMediaType);
    1592             : 
    1593             :     static OGRFeature *CreateFeature(const OGRFeatureDefn *);
    1594             :     static void DestroyFeature(OGRFeature *);
    1595             : 
    1596             :     /** Convert a OGRFeature* to a OGRFeatureH.
    1597             :      */
    1598      219264 :     static inline OGRFeatureH ToHandle(OGRFeature *poFeature)
    1599             :     {
    1600      219264 :         return reinterpret_cast<OGRFeatureH>(poFeature);
    1601             :     }
    1602             : 
    1603             :     /** Convert a OGRFeatureH to a OGRFeature*.
    1604             :      */
    1605     1795261 :     static inline OGRFeature *FromHandle(OGRFeatureH hFeature)
    1606             :     {
    1607     1795261 :         return reinterpret_cast<OGRFeature *>(hFeature);
    1608             :     }
    1609             : 
    1610             :   private:
    1611             :     CPL_DISALLOW_COPY_ASSIGN(OGRFeature)
    1612             : };
    1613             : 
    1614             : //! @cond Doxygen_Suppress
    1615             : struct CPL_DLL OGRFeatureUniquePtrDeleter
    1616             : {
    1617             :     void operator()(OGRFeature *) const;
    1618             : };
    1619             : 
    1620             : //! @endcond
    1621             : 
    1622             : /** Unique pointer type for OGRFeature.
    1623             :  */
    1624             : typedef std::unique_ptr<OGRFeature, OGRFeatureUniquePtrDeleter>
    1625             :     OGRFeatureUniquePtr;
    1626             : 
    1627             : //! @cond Doxygen_Suppress
    1628             : /** @see OGRFeature::begin() const */
    1629             : inline OGRFeature::ConstFieldIterator begin(const OGRFeature *poFeature)
    1630             : {
    1631             :     return poFeature->begin();
    1632             : }
    1633             : 
    1634             : /** @see OGRFeature::end() const */
    1635             : inline OGRFeature::ConstFieldIterator end(const OGRFeature *poFeature)
    1636             : {
    1637             :     return poFeature->end();
    1638             : }
    1639             : 
    1640             : /** @see OGRFeature::begin() const */
    1641             : inline OGRFeature::ConstFieldIterator
    1642             : begin(const OGRFeatureUniquePtr &poFeature)
    1643             : {
    1644             :     return poFeature->begin();
    1645             : }
    1646             : 
    1647             : /** @see OGRFeature::end() const */
    1648             : inline OGRFeature::ConstFieldIterator end(const OGRFeatureUniquePtr &poFeature)
    1649             : {
    1650             :     return poFeature->end();
    1651             : }
    1652             : 
    1653             : //! @endcond
    1654             : 
    1655             : /************************************************************************/
    1656             : /*                            OGRFieldDomain                            */
    1657             : /************************************************************************/
    1658             : 
    1659             : /* clang-format off */
    1660             : /**
    1661             :  * Definition of a field domain.
    1662             :  *
    1663             :  * A field domain is a set of constraints that apply to one or several fields.
    1664             :  *
    1665             :  * This is a concept found in
    1666             :  * <a href="https://desktop.arcgis.com/en/arcmap/latest/manage-data/geodatabases/an-overview-of-attribute-domains.htm">File
    1667             :  * Geodatabase</a> or GeoPackage (using the <a href="http://www.geopackage.org/spec/#extension_schema">schema extension</a>)
    1668             :  * for example.
    1669             :  *
    1670             :  * A field domain can be:
    1671             :  * <ul>
    1672             :  * <li>OGRCodedFieldDomain: an enumerated list of (code, value) tuples.</li>
    1673             :  * <li>OGRRangeFieldDomain: a range constraint (min, max).</li>
    1674             :  * <li>OGRGlobFieldDomain: a glob expression.</li>
    1675             :  * </ul>
    1676             :  *
    1677             :  * @since GDAL 3.3
    1678             :  */
    1679             : /* clang-format on */
    1680             : 
    1681        1335 : class CPL_DLL OGRFieldDomain
    1682             : {
    1683             :   protected:
    1684             :     /*! @cond Doxygen_Suppress */
    1685             :     std::string m_osName;
    1686             :     std::string m_osDescription;
    1687             :     OGRFieldDomainType m_eDomainType;
    1688             :     OGRFieldType m_eFieldType;
    1689             :     OGRFieldSubType m_eFieldSubType;
    1690             :     OGRFieldDomainSplitPolicy m_eSplitPolicy = OFDSP_DEFAULT_VALUE;
    1691             :     OGRFieldDomainMergePolicy m_eMergePolicy = OFDMP_DEFAULT_VALUE;
    1692             : 
    1693             :     OGRFieldDomain(const std::string &osName, const std::string &osDescription,
    1694             :                    OGRFieldDomainType eDomainType, OGRFieldType eFieldType,
    1695             :                    OGRFieldSubType eFieldSubType);
    1696             :     /*! @endcond */
    1697             : 
    1698             :   public:
    1699             :     /** Destructor.
    1700             :      *
    1701             :      * This is the same as the C function OGR_FldDomain_Destroy().
    1702             :      */
    1703             :     virtual ~OGRFieldDomain();
    1704             : 
    1705             :     /** Clone.
    1706             :      *
    1707             :      * Return a cloned object, or nullptr in case of error.
    1708             :      */
    1709             :     virtual OGRFieldDomain *Clone() const = 0;
    1710             : 
    1711             :     /** Get the name of the field domain.
    1712             :      *
    1713             :      * This is the same as the C function OGR_FldDomain_GetName().
    1714             :      */
    1715        1353 :     const std::string &GetName() const
    1716             :     {
    1717        1353 :         return m_osName;
    1718             :     }
    1719             : 
    1720             :     /** Get the description of the field domain.
    1721             :      * Empty string if there is none.
    1722             :      *
    1723             :      * This is the same as the C function OGR_FldDomain_GetDescription().
    1724             :      */
    1725         109 :     const std::string &GetDescription() const
    1726             :     {
    1727         109 :         return m_osDescription;
    1728             :     }
    1729             : 
    1730             :     /** Get the type of the field domain.
    1731             :      *
    1732             :      * This is the same as the C function OGR_FldDomain_GetDomainType().
    1733             :      */
    1734         230 :     OGRFieldDomainType GetDomainType() const
    1735             :     {
    1736         230 :         return m_eDomainType;
    1737             :     }
    1738             : 
    1739             :     /** Get the field type.
    1740             :      *
    1741             :      * This is the same as the C function OGR_FldDomain_GetFieldType().
    1742             :      */
    1743         205 :     OGRFieldType GetFieldType() const
    1744             :     {
    1745         205 :         return m_eFieldType;
    1746             :     }
    1747             : 
    1748             :     /** Get the field subtype.
    1749             :      *
    1750             :      * This is the same as the C function OGR_FldDomain_GetFieldSubType().
    1751             :      */
    1752         101 :     OGRFieldSubType GetFieldSubType() const
    1753             :     {
    1754         101 :         return m_eFieldSubType;
    1755             :     }
    1756             : 
    1757             :     /** Convert a OGRFieldDomain* to a OGRFieldDomainH. */
    1758         223 :     static inline OGRFieldDomainH ToHandle(OGRFieldDomain *poFieldDomain)
    1759             :     {
    1760         223 :         return reinterpret_cast<OGRFieldDomainH>(poFieldDomain);
    1761             :     }
    1762             : 
    1763             :     /** Convert a OGRFieldDomainH to a OGRFieldDomain*. */
    1764         552 :     static inline OGRFieldDomain *FromHandle(OGRFieldDomainH hFieldDomain)
    1765             :     {
    1766         552 :         return reinterpret_cast<OGRFieldDomain *>(hFieldDomain);
    1767             :     }
    1768             : 
    1769             :     /** Get the split policy.
    1770             :      *
    1771             :      * This is the same as the C function OGR_FldDomain_GetSplitPolicy().
    1772             :      */
    1773          32 :     OGRFieldDomainSplitPolicy GetSplitPolicy() const
    1774             :     {
    1775          32 :         return m_eSplitPolicy;
    1776             :     }
    1777             : 
    1778             :     /** Set the split policy.
    1779             :      *
    1780             :      * This is the same as the C function OGR_FldDomain_SetSplitPolicy().
    1781             :      */
    1782        1196 :     void SetSplitPolicy(OGRFieldDomainSplitPolicy policy)
    1783             :     {
    1784        1196 :         m_eSplitPolicy = policy;
    1785        1196 :     }
    1786             : 
    1787             :     /** Get the merge policy.
    1788             :      *
    1789             :      * This is the same as the C function OGR_FldDomain_GetMergePolicy().
    1790             :      */
    1791          32 :     OGRFieldDomainMergePolicy GetMergePolicy() const
    1792             :     {
    1793          32 :         return m_eMergePolicy;
    1794             :     }
    1795             : 
    1796             :     /** Set the merge policy.
    1797             :      *
    1798             :      * This is the same as the C function OGR_FldDomain_SetMergePolicy().
    1799             :      */
    1800        1196 :     void SetMergePolicy(OGRFieldDomainMergePolicy policy)
    1801             :     {
    1802        1196 :         m_eMergePolicy = policy;
    1803        1196 :     }
    1804             : };
    1805             : 
    1806             : /** Definition of a coded / enumerated field domain.
    1807             :  *
    1808             :  * A code field domain is a domain for which only a limited set of codes,
    1809             :  * associated with their expanded value, are allowed.
    1810             :  * The type of the code should be the one of the field domain.
    1811             :  */
    1812             : class CPL_DLL OGRCodedFieldDomain final : public OGRFieldDomain
    1813             : {
    1814             :   private:
    1815             :     std::vector<OGRCodedValue> m_asValues{};
    1816             : 
    1817             :     OGRCodedFieldDomain(const OGRCodedFieldDomain &) = delete;
    1818             :     OGRCodedFieldDomain &operator=(const OGRCodedFieldDomain &) = delete;
    1819             : 
    1820             :   public:
    1821             :     /** Constructor.
    1822             :      *
    1823             :      * This is the same as the C function OGR_CodedFldDomain_Create()
    1824             :      * (except that the C function copies the enumeration, whereas the C++
    1825             :      * method moves it)
    1826             :      *
    1827             :      * @param osName         Domain name.
    1828             :      * @param osDescription  Domain description.
    1829             :      * @param eFieldType     Field type. Generally numeric. Potentially
    1830             :      * OFTDateTime
    1831             :      * @param eFieldSubType  Field subtype.
    1832             :      * @param asValues       Enumeration as (code, value) pairs.
    1833             :      *                       Each code should appear only once, but it is the
    1834             :      *                       responsibility of the user to check it.
    1835             :      */
    1836             :     OGRCodedFieldDomain(const std::string &osName,
    1837             :                         const std::string &osDescription,
    1838             :                         OGRFieldType eFieldType, OGRFieldSubType eFieldSubType,
    1839             :                         std::vector<OGRCodedValue> &&asValues);
    1840             : 
    1841             :     ~OGRCodedFieldDomain() override;
    1842             : 
    1843             :     OGRCodedFieldDomain *Clone() const override;
    1844             : 
    1845             :     /** Get the enumeration as (code, value) pairs.
    1846             :      * The end of the enumeration is signaled by code == NULL.
    1847             :      *
    1848             :      * This is the same as the C function OGR_CodedFldDomain_GetEnumeration().
    1849             :      */
    1850         172 :     const OGRCodedValue *GetEnumeration() const
    1851             :     {
    1852         172 :         return m_asValues.data();
    1853             :     }
    1854             : };
    1855             : 
    1856             : /** Definition of a numeric field domain with a range of validity for values.
    1857             :  */
    1858             : class CPL_DLL OGRRangeFieldDomain final : public OGRFieldDomain
    1859             : {
    1860             :   private:
    1861             :     OGRField m_sMin;
    1862             :     OGRField m_sMax;
    1863             :     bool m_bMinIsInclusive;
    1864             :     bool m_bMaxIsInclusive;
    1865             : 
    1866             :     OGRRangeFieldDomain(const OGRRangeFieldDomain &) = delete;
    1867             :     OGRRangeFieldDomain &operator=(const OGRRangeFieldDomain &) = delete;
    1868             : 
    1869             :   public:
    1870             :     /** Constructor.
    1871             :      *
    1872             :      * This is the same as the C function OGR_RangeFldDomain_Create().
    1873             :      *
    1874             :      * @param osName          Domain name.
    1875             :      * @param osDescription   Domain description.
    1876             :      * @param eFieldType      Field type.
    1877             :      *                        One among OFTInteger, OFTInteger64, OFTReal or
    1878             :      * OFTDateTime
    1879             :      * @param eFieldSubType   Field subtype.
    1880             :      * @param sMin            Minimum value.
    1881             :      *                        Which member in the OGRField enum must be read
    1882             :      *                        depends on the field type.
    1883             :      *                        If no minimum is set (might not be supported by
    1884             :      *                        all backends), then initialize the value with
    1885             :      *                        OGR_RawField_SetUnset().
    1886             :      * @param bMinIsInclusive Whether the minimum value is included in the
    1887             :      * range.
    1888             :      * @param sMax            Minimum value.
    1889             :      *                        Which member in the OGRField enum must be read
    1890             :      *                        depends on the field type.
    1891             :      *                        If no maximum is set (might not be supported by
    1892             :      *                        all backends), then initialize the value with
    1893             :      *                        OGR_RawField_SetUnset().
    1894             :      * @param bMaxIsInclusive Whether the minimum value is included in the
    1895             :      * range.
    1896             :      */
    1897             :     OGRRangeFieldDomain(const std::string &osName,
    1898             :                         const std::string &osDescription,
    1899             :                         OGRFieldType eFieldType, OGRFieldSubType eFieldSubType,
    1900             :                         const OGRField &sMin, bool bMinIsInclusive,
    1901             :                         const OGRField &sMax, bool bMaxIsInclusive);
    1902             : 
    1903             :     OGRRangeFieldDomain *Clone() const override;
    1904             : 
    1905             :     /** Get the minimum value.
    1906             :      *
    1907             :      * Which member in the returned OGRField enum must be read depends on the
    1908             :      * field type.
    1909             :      *
    1910             :      * If no minimum value is set, the OGR_RawField_IsUnset() will return true
    1911             :      * when called on the result.
    1912             :      *
    1913             :      * This is the same as the C function OGR_RangeFldDomain_GetMin().
    1914             :      *
    1915             :      * @param bIsInclusiveOut set to true if the minimum is included in the
    1916             :      * range.
    1917             :      */
    1918          52 :     const OGRField &GetMin(bool &bIsInclusiveOut) const
    1919             :     {
    1920          52 :         bIsInclusiveOut = m_bMinIsInclusive;
    1921          52 :         return m_sMin;
    1922             :     }
    1923             : 
    1924             :     /** Get the maximum value.
    1925             :      *
    1926             :      * Which member in the returned OGRField enum must be read depends on the
    1927             :      * field type.
    1928             :      *
    1929             :      * If no maximum value is set, the OGR_RawField_IsUnset() will return true
    1930             :      * when called on the result.
    1931             :      *
    1932             :      * This is the same as the C function OGR_RangeFldDomain_GetMax().
    1933             :      *
    1934             :      * @param bIsInclusiveOut set to true if the maximum is included in the
    1935             :      * range.
    1936             :      */
    1937          52 :     const OGRField &GetMax(bool &bIsInclusiveOut) const
    1938             :     {
    1939          52 :         bIsInclusiveOut = m_bMaxIsInclusive;
    1940          52 :         return m_sMax;
    1941             :     }
    1942             : };
    1943             : 
    1944             : /** Definition of a field domain for field content validated by a glob.
    1945             :  *
    1946             :  * Globs are matching expression like "*[a-z][0-1]?"
    1947             :  */
    1948             : class CPL_DLL OGRGlobFieldDomain final : public OGRFieldDomain
    1949             : {
    1950             :   private:
    1951             :     std::string m_osGlob;
    1952             : 
    1953             :     OGRGlobFieldDomain(const OGRGlobFieldDomain &) = delete;
    1954             :     OGRGlobFieldDomain &operator=(const OGRGlobFieldDomain &) = delete;
    1955             : 
    1956             :   public:
    1957             :     /** Constructor.
    1958             :      *
    1959             :      * This is the same as the C function OGR_GlobFldDomain_Create().
    1960             :      *
    1961             :      * @param osName          Domain name.
    1962             :      * @param osDescription   Domain description.
    1963             :      * @param eFieldType      Field type.
    1964             :      * @param eFieldSubType   Field subtype.
    1965             :      * @param osBlob          Blob expression
    1966             :      */
    1967             :     OGRGlobFieldDomain(const std::string &osName,
    1968             :                        const std::string &osDescription,
    1969             :                        OGRFieldType eFieldType, OGRFieldSubType eFieldSubType,
    1970             :                        const std::string &osBlob);
    1971             : 
    1972             :     OGRGlobFieldDomain *Clone() const override;
    1973             : 
    1974             :     /** Get the glob expression.
    1975             :      *
    1976             :      * This is the same as the C function OGR_GlobFldDomain_GetGlob().
    1977             :      */
    1978          13 :     const std::string &GetGlob() const
    1979             :     {
    1980          13 :         return m_osGlob;
    1981             :     }
    1982             : };
    1983             : 
    1984             : /************************************************************************/
    1985             : /*                           OGRFeatureQuery                            */
    1986             : /************************************************************************/
    1987             : 
    1988             : //! @cond Doxygen_Suppress
    1989             : class OGRLayer;
    1990             : class swq_expr_node;
    1991             : class swq_custom_func_registrar;
    1992             : struct swq_evaluation_context;
    1993             : 
    1994             : class CPL_DLL OGRFeatureQuery
    1995             : {
    1996             :   private:
    1997             :     const OGRFeatureDefn *poTargetDefn;
    1998             :     void *pSWQExpr;
    1999             :     swq_evaluation_context *m_psContext = nullptr;
    2000             : 
    2001             :     char **FieldCollector(void *, char **);
    2002             : 
    2003             :     static GIntBig *EvaluateAgainstIndices(const swq_expr_node *, OGRLayer *,
    2004             :                                            GIntBig &nFIDCount);
    2005             : 
    2006             :     static int CanUseIndex(const swq_expr_node *, OGRLayer *);
    2007             : 
    2008             :     OGRErr Compile(const OGRLayer *, const OGRFeatureDefn *, const char *,
    2009             :                    int bCheck,
    2010             :                    swq_custom_func_registrar *poCustomFuncRegistrar);
    2011             : 
    2012             :     CPL_DISALLOW_COPY_ASSIGN(OGRFeatureQuery)
    2013             : 
    2014             :   public:
    2015             :     OGRFeatureQuery();
    2016             :     ~OGRFeatureQuery();
    2017             : 
    2018             :     OGRErr Compile(const OGRLayer *, const char *, int bCheck = TRUE,
    2019             :                    swq_custom_func_registrar *poCustomFuncRegistrar = nullptr);
    2020             :     OGRErr Compile(const OGRFeatureDefn *, const char *, int bCheck = TRUE,
    2021             :                    swq_custom_func_registrar *poCustomFuncRegistrar = nullptr);
    2022             :     int Evaluate(OGRFeature *);
    2023             : 
    2024             :     GIntBig *EvaluateAgainstIndices(OGRLayer *, OGRErr *);
    2025             : 
    2026             :     int CanUseIndex(OGRLayer *);
    2027             : 
    2028             :     char **GetUsedFields();
    2029             : 
    2030        3108 :     void *GetSWQExpr()
    2031             :     {
    2032        3108 :         return pSWQExpr;
    2033             :     }
    2034             : };
    2035             : 
    2036             : //! @endcond
    2037             : 
    2038             : #endif /* ndef OGR_FEATURE_H_INCLUDED */

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