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ogr_feature.h
Go to the documentation of this file.
1 /******************************************************************************
2 * $Id$
3 *
4 * Project: OpenGIS Simple Features Reference Implementation
5 * Purpose: Class for representing a whole feature, and layer schemas.
6 * Author: Frank Warmerdam, warmerdam@pobox.com
7 *
8 ******************************************************************************
9 * Copyright (c) 1999, Les Technologies SoftMap Inc.
10 * Copyright (c) 2008-2013, Even Rouault <even dot rouault at mines-paris dot org>
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 ****************************************************************************/
30
31 #ifndef OGR_FEATURE_H_INCLUDED
32 #define OGR_FEATURE_H_INCLUDED
33
34 #include "cpl_atomic_ops.h"
35 #include "ogr_featurestyle.h"
36 #include "ogr_geometry.h"
37
38 #include <exception>
39 #include <memory>
40 #include <string>
41 #include <vector>
42
49 #ifndef DEFINE_OGRFeatureH
50
51 #define DEFINE_OGRFeatureH
52
53 #ifdef DEBUG
54 typedef struct OGRFieldDefnHS *OGRFieldDefnH;
55 typedef struct OGRFeatureDefnHS *OGRFeatureDefnH;
56 typedef struct OGRFeatureHS *OGRFeatureH;
57 typedef struct OGRStyleTableHS *OGRStyleTableH;
58 #else
59
60 typedef void *OGRFieldDefnH;
62 typedef void *OGRFeatureDefnH;
64 typedef void *OGRFeatureH;
66 typedef void *OGRStyleTableH;
67 #endif
68
69 typedef struct OGRGeomFieldDefnHS *OGRGeomFieldDefnH;
70 #endif /* DEFINE_OGRFeatureH */
71
72 class OGRStyleTable;
73
74 /************************************************************************/
75 /* OGRFieldDefn */
76 /************************************************************************/
77
92 class CPL_DLL OGRFieldDefn
93 {
94 private:
95 char *pszName;
96 OGRFieldType eType;
97 OGRJustification eJustify;
98 int nWidth; // Zero is variable.
99 int nPrecision;
100 char *pszDefault;
101
102 int bIgnore;
103 OGRFieldSubType eSubType;
104
105 int bNullable;
106
107 public:
108 OGRFieldDefn( const char *, OGRFieldType );
109 explicit OGRFieldDefn( const OGRFieldDefn * );
110 ~OGRFieldDefn();
111
112 void SetName( const char * );
113 const char *GetNameRef() const { return pszName; }
114
115 OGRFieldType GetType() const { return eType; }
116 void SetType( OGRFieldType eTypeIn );
117 static const char *GetFieldTypeName( OGRFieldType );
118
119 OGRFieldSubType GetSubType() const { return eSubType; }
120 void SetSubType( OGRFieldSubType eSubTypeIn );
121 static const char *GetFieldSubTypeName( OGRFieldSubType );
122
123 OGRJustification GetJustify() const { return eJustify; }
124 void SetJustify( OGRJustification eJustifyIn )
125 { eJustify = eJustifyIn; }
126
127 int GetWidth() const { return nWidth; }
128 void SetWidth( int nWidthIn ) { nWidth = MAX(0,nWidthIn); }
129
130 int GetPrecision() const { return nPrecision; }
131 void SetPrecision( int nPrecisionIn )
132 { nPrecision = nPrecisionIn; }
133
134 void Set( const char *, OGRFieldType, int = 0, int = 0,
135 OGRJustification = OJUndefined );
136
137 void SetDefault( const char* );
138 const char *GetDefault() const;
139 int IsDefaultDriverSpecific() const;
140
141 int IsIgnored() const { return bIgnore; }
142 void SetIgnored( int bIgnoreIn ) { bIgnore = bIgnoreIn; }
143
144 int IsNullable() const { return bNullable; }
145 void SetNullable( int bNullableIn ) { bNullable = bNullableIn; }
146
147 int IsSame( const OGRFieldDefn * ) const;
148
152 static inline OGRFieldDefnH ToHandle(OGRFieldDefn* poFieldDefn)
153 { return reinterpret_cast<OGRFieldDefnH>(poFieldDefn); }
154
158 static inline OGRFieldDefn* FromHandle(OGRFieldDefnH hFieldDefn)
159 { return reinterpret_cast<OGRFieldDefn*>(hFieldDefn); }
160 private:
161 CPL_DISALLOW_COPY_ASSIGN(OGRFieldDefn)
162 };
163
164 /************************************************************************/
165 /* OGRGeomFieldDefn */
166 /************************************************************************/
167
182 class CPL_DLL OGRGeomFieldDefn
183 {
184 protected:
186 char *pszName = nullptr;
187 OGRwkbGeometryType eGeomType = wkbUnknown; /* all values possible except wkbNone */
188 mutable OGRSpatialReference* poSRS = nullptr;
189
190 int bIgnore = false;
191 mutable int bNullable = true;
192
193 void Initialize( const char *, OGRwkbGeometryType );
195
196 public:
197 OGRGeomFieldDefn( const char *pszNameIn,
198 OGRwkbGeometryType eGeomTypeIn );
199 explicit OGRGeomFieldDefn( const OGRGeomFieldDefn * );
200 virtual ~OGRGeomFieldDefn();
201
202 void SetName( const char * );
203 const char *GetNameRef() const { return pszName; }
204
205 OGRwkbGeometryType GetType() const { return eGeomType; }
206 void SetType( OGRwkbGeometryType eTypeIn );
207
208 virtual OGRSpatialReference* GetSpatialRef() const;
209 void SetSpatialRef( OGRSpatialReference* poSRSIn );
210
211 int IsIgnored() const { return bIgnore; }
212 void SetIgnored( int bIgnoreIn ) { bIgnore = bIgnoreIn; }
213
214 int IsNullable() const { return bNullable; }
215 void SetNullable( int bNullableIn )
216 { bNullable = bNullableIn; }
217
218 int IsSame( const OGRGeomFieldDefn * ) const;
219
223 static inline OGRGeomFieldDefnH ToHandle(OGRGeomFieldDefn* poGeomFieldDefn)
224 { return reinterpret_cast<OGRGeomFieldDefnH>(poGeomFieldDefn); }
225
229 static inline OGRGeomFieldDefn* FromHandle(OGRGeomFieldDefnH hGeomFieldDefn)
230 { return reinterpret_cast<OGRGeomFieldDefn*>(hGeomFieldDefn); }
231 private:
232 CPL_DISALLOW_COPY_ASSIGN(OGRGeomFieldDefn)
233 };
234
235 /************************************************************************/
236 /* OGRFeatureDefn */
237 /************************************************************************/
238
259 class CPL_DLL OGRFeatureDefn
260 {
261 protected:
263 volatile int nRefCount;
264
265 mutable int nFieldCount;
266 mutable OGRFieldDefn **papoFieldDefn;
267
268 mutable int nGeomFieldCount;
269 mutable OGRGeomFieldDefn **papoGeomFieldDefn;
270
271 char *pszFeatureClassName;
272
273 int bIgnoreStyle;
275
276 public:
277 explicit OGRFeatureDefn( const char * pszName = nullptr );
278 virtual ~OGRFeatureDefn();
279
280 void SetName( const char* pszName );
281 virtual const char *GetName() const;
282
283 virtual int GetFieldCount() const;
284 virtual OGRFieldDefn *GetFieldDefn( int i );
285 virtual const OGRFieldDefn *GetFieldDefn( int i ) const;
286 virtual int GetFieldIndex( const char * ) const;
287 int GetFieldIndexCaseSensitive( const char * ) const;
288
289 virtual void AddFieldDefn( OGRFieldDefn * );
290 virtual OGRErr DeleteFieldDefn( int iField );
291 virtual OGRErr ReorderFieldDefns( int* panMap );
292
293 virtual int GetGeomFieldCount() const;
294 virtual OGRGeomFieldDefn *GetGeomFieldDefn( int i );
295 virtual const OGRGeomFieldDefn *GetGeomFieldDefn( int i ) const;
296 virtual int GetGeomFieldIndex( const char * ) const;
297
298 virtual void AddGeomFieldDefn( OGRGeomFieldDefn *,
299 int bCopy = TRUE );
300 virtual OGRErr DeleteGeomFieldDefn( int iGeomField );
301
302 virtual OGRwkbGeometryType GetGeomType() const;
303 virtual void SetGeomType( OGRwkbGeometryType );
304
305 virtual OGRFeatureDefn *Clone() const;
306
307 int Reference() { return CPLAtomicInc(&nRefCount); }
308 int Dereference() { return CPLAtomicDec(&nRefCount); }
309 int GetReferenceCount() const { return nRefCount; }
310 void Release();
311
312 virtual int IsGeometryIgnored() const;
313 virtual void SetGeometryIgnored( int bIgnore );
314 virtual int IsStyleIgnored() const { return bIgnoreStyle; }
315 virtual void SetStyleIgnored( int bIgnore )
316 { bIgnoreStyle = bIgnore; }
317
318 virtual int IsSame( const OGRFeatureDefn * poOtherFeatureDefn ) const;
319
321 void ReserveSpaceForFields(int nFieldCountIn);
323
324 std::vector<int> ComputeMapForSetFrom( const OGRFeatureDefn* poSrcFDefn,
325 bool bForgiving = true ) const;
326
327 static OGRFeatureDefn *CreateFeatureDefn( const char *pszName = nullptr );
328 static void DestroyFeatureDefn( OGRFeatureDefn * );
329
333 static inline OGRFeatureDefnH ToHandle(OGRFeatureDefn* poFeatureDefn)
334 { return reinterpret_cast<OGRFeatureDefnH>(poFeatureDefn); }
335
339 static inline OGRFeatureDefn* FromHandle(OGRFeatureDefnH hFeatureDefn)
340 { return reinterpret_cast<OGRFeatureDefn*>(hFeatureDefn); }
341
342 private:
343 CPL_DISALLOW_COPY_ASSIGN(OGRFeatureDefn)
344 };
345
346 /************************************************************************/
347 /* OGRFeature */
348 /************************************************************************/
349
354 class CPL_DLL OGRFeature
355 {
356 private:
357
358 GIntBig nFID;
359 OGRFeatureDefn *poDefn;
360 OGRGeometry **papoGeometries;
361 OGRField *pauFields;
362 char *m_pszNativeData;
363 char *m_pszNativeMediaType;
364
365 bool SetFieldInternal( int i, OGRField * puValue );
366
367 protected:
369 mutable char *m_pszStyleString;
370 mutable OGRStyleTable *m_poStyleTable;
371 mutable char *m_pszTmpFieldValue;
373
374 bool CopySelfTo( OGRFeature *poNew ) const;
375
376 public:
377 explicit OGRFeature( OGRFeatureDefn * );
378 virtual ~OGRFeature();
379
381 class CPL_DLL FieldValue
382 {
383 friend class OGRFeature;
384 struct Private;
385 std::unique_ptr<Private> m_poPrivate;
386
387 FieldValue(OGRFeature* poFeature, int iFieldIndex);
388 FieldValue(const OGRFeature* poFeature, int iFieldIndex);
389 FieldValue(const FieldValue& oOther) = delete;
390
391 public:
393 ~FieldValue();
395
397 FieldValue& operator= (const FieldValue& oOther);
399 FieldValue& operator= (int nVal);
401 FieldValue& operator= (GIntBig nVal);
403 FieldValue& operator= (double dfVal);
405 FieldValue& operator= (const char *pszVal);
407 FieldValue& operator= (const std::string& osVal);
409 FieldValue& operator= (const std::vector<int>& oArray);
411 FieldValue& operator= (const std::vector<GIntBig>& oArray);
413 FieldValue& operator= (const std::vector<double>& oArray);
415 FieldValue& operator= (const std::vector<std::string>& oArray);
417 FieldValue& operator= (CSLConstList papszValues);
419 void SetNull();
421 void clear();
423 void Unset() { clear(); }
425 void SetDateTime(int nYear, int nMonth, int nDay,
426 int nHour=0, int nMinute=0, float fSecond=0.f,
427 int nTZFlag = 0 );
428
430 int GetIndex() const;
432 const OGRFieldDefn* GetDefn() const;
434 const char* GetName() const { return GetDefn()->GetNameRef(); }
436 OGRFieldType GetType() const { return GetDefn()->GetType(); }
438 OGRFieldSubType GetSubType() const { return GetDefn()->GetSubType(); }
439
441 // cppcheck-suppress functionStatic
442 bool empty() const { return IsUnset(); }
443
445 // cppcheck-suppress functionStatic
446 bool IsUnset() const;
447
449 // cppcheck-suppress functionStatic
450 bool IsNull() const;
451
453 const OGRField *GetRawValue() const;
454
458 // cppcheck-suppress functionStatic
459 int GetInteger() const { return GetRawValue()->Integer; }
460
464 // cppcheck-suppress functionStatic
465 GIntBig GetInteger64() const { return GetRawValue()->Integer64; }
466
470 // cppcheck-suppress functionStatic
471 double GetDouble() const { return GetRawValue()->Real; }
472
476 // cppcheck-suppress functionStatic
477 const char* GetString() const { return GetRawValue()->String; }
478
480 bool GetDateTime( int *pnYear, int *pnMonth,
481 int *pnDay,
482 int *pnHour, int *pnMinute,
483 float *pfSecond,
484 int *pnTZFlag ) const;
485
487 operator int () const { return GetAsInteger(); }
489 operator GIntBig() const { return GetAsInteger64(); }
491 operator double () const { return GetAsDouble(); }
493 operator const char*() const { return GetAsString(); }
495 operator const std::vector<int>& () const { return GetAsIntegerList(); }
497 operator const std::vector<GIntBig>& () const { return GetAsInteger64List(); }
499 operator const std::vector<double>& () const { return GetAsDoubleList(); }
501 operator const std::vector<std::string>& () const { return GetAsStringList(); }
503 operator CSLConstList () const;
504
506 int GetAsInteger() const;
508 GIntBig GetAsInteger64() const;
510 double GetAsDouble() const;
512 const char* GetAsString() const;
514 const std::vector<int>& GetAsIntegerList() const;
516 const std::vector<GIntBig>& GetAsInteger64List() const;
518 const std::vector<double>& GetAsDoubleList() const;
520 const std::vector<std::string>& GetAsStringList() const;
521 };
522
524 class CPL_DLL ConstFieldIterator
525 {
526 friend class OGRFeature;
527 struct Private;
528 std::unique_ptr<Private> m_poPrivate;
529
530 ConstFieldIterator(const OGRFeature* poSelf, int nPos);
531
532 public:
534 ConstFieldIterator(ConstFieldIterator&& oOther) noexcept; // declared but not defined. Needed for gcc 5.4 at least
535 ~ConstFieldIterator();
536 const FieldValue& operator*() const;
537 ConstFieldIterator& operator++();
538 bool operator!=(const ConstFieldIterator& it) const;
540 };
541
558 ConstFieldIterator begin() const;
560 ConstFieldIterator end() const;
561
562 const FieldValue operator[](int iField) const;
563 FieldValue operator[](int iField);
564
566 class FieldNotFoundException: public std::exception {};
567
568 const FieldValue operator[](const char* pszFieldName) const;
569 FieldValue operator[](const char* pszFieldName);
570
571 OGRFeatureDefn *GetDefnRef() { return poDefn; }
572 const OGRFeatureDefn *GetDefnRef() const { return poDefn; }
573
574 OGRErr SetGeometryDirectly( OGRGeometry * );
575 OGRErr SetGeometry( const OGRGeometry * );
576 OGRGeometry *GetGeometryRef();
577 const OGRGeometry *GetGeometryRef() const;
578 OGRGeometry *StealGeometry() CPL_WARN_UNUSED_RESULT;
579
580 int GetGeomFieldCount() const
581 { return poDefn->GetGeomFieldCount(); }
582 OGRGeomFieldDefn *GetGeomFieldDefnRef( int iField )
583 { return poDefn->GetGeomFieldDefn(iField); }
584 const OGRGeomFieldDefn *GetGeomFieldDefnRef( int iField ) const
585 { return poDefn->GetGeomFieldDefn(iField); }
586 int GetGeomFieldIndex( const char * pszName ) const
587 { return poDefn->GetGeomFieldIndex(pszName); }
588
589 OGRGeometry* GetGeomFieldRef( int iField );
590 const OGRGeometry* GetGeomFieldRef( int iField ) const;
591 OGRGeometry* StealGeometry( int iField );
592 OGRGeometry* GetGeomFieldRef( const char* pszFName );
593 const OGRGeometry* GetGeomFieldRef( const char* pszFName ) const;
594 OGRErr SetGeomFieldDirectly( int iField, OGRGeometry * );
595 OGRErr SetGeomField( int iField, const OGRGeometry * );
596
597 OGRFeature *Clone() const CPL_WARN_UNUSED_RESULT;
598 virtual OGRBoolean Equal( const OGRFeature * poFeature ) const;
599
600 int GetFieldCount() const
601 { return poDefn->GetFieldCount(); }
602 const OGRFieldDefn *GetFieldDefnRef( int iField ) const
603 { return poDefn->GetFieldDefn(iField); }
604 OGRFieldDefn *GetFieldDefnRef( int iField )
605 { return poDefn->GetFieldDefn(iField); }
606 int GetFieldIndex( const char * pszName ) const
607 { return poDefn->GetFieldIndex(pszName); }
608
609 int IsFieldSet( int iField ) const;
610
611 void UnsetField( int iField );
612
613 bool IsFieldNull( int iField ) const;
614
615 void SetFieldNull( int iField );
616
617 bool IsFieldSetAndNotNull( int iField ) const;
618
619 OGRField *GetRawFieldRef( int i ) { return pauFields + i; }
620 const OGRField *GetRawFieldRef( int i ) const { return pauFields + i; }
621
622 int GetFieldAsInteger( int i ) const;
623 GIntBig GetFieldAsInteger64( int i ) const;
624 double GetFieldAsDouble( int i ) const;
625 const char *GetFieldAsString( int i ) const;
626 const int *GetFieldAsIntegerList( int i, int *pnCount ) const;
627 const GIntBig *GetFieldAsInteger64List( int i, int *pnCount ) const;
628 const double *GetFieldAsDoubleList( int i, int *pnCount ) const;
629 char **GetFieldAsStringList( int i ) const;
630 GByte *GetFieldAsBinary( int i, int *pnCount ) const;
631 int GetFieldAsDateTime( int i,
632 int *pnYear, int *pnMonth,
633 int *pnDay,
634 int *pnHour, int *pnMinute,
635 int *pnSecond,
636 int *pnTZFlag ) const;
637 int GetFieldAsDateTime( int i,
638 int *pnYear, int *pnMonth,
639 int *pnDay,
640 int *pnHour, int *pnMinute,
641 float *pfSecond,
642 int *pnTZFlag ) const;
643 char *GetFieldAsSerializedJSon( int i ) const;
644
645 int GetFieldAsInteger( const char *pszFName ) const
646 { return GetFieldAsInteger( GetFieldIndex(pszFName) ); }
647 GIntBig GetFieldAsInteger64( const char *pszFName ) const
648 { return GetFieldAsInteger64( GetFieldIndex(pszFName) ); }
649 double GetFieldAsDouble( const char *pszFName ) const
650 { return GetFieldAsDouble( GetFieldIndex(pszFName) ); }
651 const char *GetFieldAsString( const char *pszFName ) const
652 { return GetFieldAsString( GetFieldIndex(pszFName) ); }
653 const int *GetFieldAsIntegerList( const char *pszFName,
654 int *pnCount ) const
655 { return GetFieldAsIntegerList( GetFieldIndex(pszFName),
656 pnCount ); }
657 const GIntBig *GetFieldAsInteger64List( const char *pszFName,
658 int *pnCount ) const
659 { return GetFieldAsInteger64List( GetFieldIndex(pszFName),
660 pnCount ); }
661 const double *GetFieldAsDoubleList( const char *pszFName,
662 int *pnCount ) const
663 { return GetFieldAsDoubleList( GetFieldIndex(pszFName),
664 pnCount ); }
665 char **GetFieldAsStringList( const char *pszFName ) const
666 { return GetFieldAsStringList(GetFieldIndex(pszFName)); }
667
668 void SetField( int i, int nValue );
669 void SetField( int i, GIntBig nValue );
670 void SetField( int i, double dfValue );
671 void SetField( int i, const char * pszValue );
672 void SetField( int i, int nCount, const int * panValues );
673 void SetField( int i, int nCount,
674 const GIntBig * panValues );
675 void SetField( int i, int nCount, const double * padfValues );
676 void SetField( int i, const char * const * papszValues );
677 void SetField( int i, OGRField * puValue );
678 void SetField( int i, int nCount, GByte * pabyBinary );
679 void SetField( int i, int nYear, int nMonth, int nDay,
680 int nHour=0, int nMinute=0, float fSecond=0.f,
681 int nTZFlag = 0 );
682
683 void SetField( const char *pszFName, int nValue )
684 { SetField( GetFieldIndex(pszFName), nValue ); }
685 void SetField( const char *pszFName, GIntBig nValue )
686 { SetField( GetFieldIndex(pszFName), nValue ); }
687 void SetField( const char *pszFName, double dfValue )
688 { SetField( GetFieldIndex(pszFName), dfValue ); }
689 void SetField( const char *pszFName, const char * pszValue )
690 { SetField( GetFieldIndex(pszFName), pszValue ); }
691 void SetField( const char *pszFName, int nCount,
692 const int * panValues )
693 { SetField(GetFieldIndex(pszFName),nCount,panValues); }
694 void SetField( const char *pszFName, int nCount,
695 const GIntBig * panValues )
696 { SetField(GetFieldIndex(pszFName),nCount,panValues); }
697 void SetField( const char *pszFName, int nCount,
698 const double * padfValues )
699 {SetField(GetFieldIndex(pszFName),nCount,padfValues); }
700 void SetField( const char *pszFName, const char * const * papszValues )
701 { SetField( GetFieldIndex(pszFName), papszValues); }
702 void SetField( const char *pszFName, OGRField * puValue )
703 { SetField( GetFieldIndex(pszFName), puValue ); }
704 void SetField( const char *pszFName,
705 int nYear, int nMonth, int nDay,
706 int nHour=0, int nMinute=0, float fSecond=0.f,
707 int nTZFlag = 0 )
708 { SetField( GetFieldIndex(pszFName),
709 nYear, nMonth, nDay,
710 nHour, nMinute, fSecond, nTZFlag ); }
711
712 GIntBig GetFID() const { return nFID; }
713 virtual OGRErr SetFID( GIntBig nFIDIn );
714
715 void DumpReadable( FILE *, char** papszOptions = nullptr ) const;
716
717 OGRErr SetFrom( const OGRFeature *, int = TRUE );
718 OGRErr SetFrom( const OGRFeature *, const int *, int = TRUE );
719 OGRErr SetFieldsFrom( const OGRFeature *, const int *, int = TRUE );
720
722 OGRErr RemapFields( OGRFeatureDefn *poNewDefn,
723 const int *panRemapSource );
724 void AppendField();
725 OGRErr RemapGeomFields( OGRFeatureDefn *poNewDefn,
726 const int *panRemapSource );
728
729 int Validate( int nValidateFlags,
730 int bEmitError ) const;
731 void FillUnsetWithDefault( int bNotNullableOnly,
732 char** papszOptions );
733
734 virtual const char *GetStyleString() const;
735 virtual void SetStyleString( const char * );
736 virtual void SetStyleStringDirectly( char * );
737
741 virtual OGRStyleTable *GetStyleTable() const { return m_poStyleTable; } /* f.i.x.m.e: add a const qualifier for return type */
742 virtual void SetStyleTable( OGRStyleTable *poStyleTable );
743 virtual void SetStyleTableDirectly( OGRStyleTable *poStyleTable );
744
745 const char *GetNativeData() const { return m_pszNativeData; }
746 const char *GetNativeMediaType() const
747 { return m_pszNativeMediaType; }
748 void SetNativeData( const char* pszNativeData );
749 void SetNativeMediaType( const char* pszNativeMediaType );
750
751 static OGRFeature *CreateFeature( OGRFeatureDefn * );
752 static void DestroyFeature( OGRFeature * );
753
757 static inline OGRFeatureH ToHandle(OGRFeature* poFeature)
758 { return reinterpret_cast<OGRFeatureH>(poFeature); }
759
763 static inline OGRFeature* FromHandle(OGRFeatureH hFeature)
764 { return reinterpret_cast<OGRFeature*>(hFeature); }
765
766 private:
767 CPL_DISALLOW_COPY_ASSIGN(OGRFeature)
768 };
769
771 struct CPL_DLL OGRFeatureUniquePtrDeleter
772 {
773 void operator()(OGRFeature*) const;
774 };
776
780 typedef std::unique_ptr<OGRFeature, OGRFeatureUniquePtrDeleter> OGRFeatureUniquePtr;
781
783
784 inline OGRFeature::ConstFieldIterator begin(const OGRFeature* poFeature) { return poFeature->begin(); }
786 inline OGRFeature::ConstFieldIterator end(const OGRFeature* poFeature) { return poFeature->end(); }
787
789 inline OGRFeature::ConstFieldIterator begin(const OGRFeatureUniquePtr& poFeature) { return poFeature->begin(); }
791 inline OGRFeature::ConstFieldIterator end(const OGRFeatureUniquePtr& poFeature) { return poFeature->end(); }
792
794
795 /************************************************************************/
796 /* OGRFeatureQuery */
797 /************************************************************************/
798
800 class OGRLayer;
801 class swq_expr_node;
802 class swq_custom_func_registrar;
803
804 class CPL_DLL OGRFeatureQuery
805 {
806 private:
807 OGRFeatureDefn *poTargetDefn;
808 void *pSWQExpr;
809
810 char **FieldCollector( void *, char ** );
811
812 GIntBig *EvaluateAgainstIndices( swq_expr_node*, OGRLayer *,
813 GIntBig& nFIDCount );
814
815 int CanUseIndex( swq_expr_node*, OGRLayer * );
816
817 OGRErr Compile( OGRLayer *, OGRFeatureDefn*, const char *,
818 int bCheck,
819 swq_custom_func_registrar* poCustomFuncRegistrar );
820
821 CPL_DISALLOW_COPY_ASSIGN(OGRFeatureQuery)
822
823 public:
824 OGRFeatureQuery();
825 ~OGRFeatureQuery();
826
827 OGRErr Compile( OGRLayer *, const char *,
828 int bCheck = TRUE,
829 swq_custom_func_registrar*
830 poCustomFuncRegistrar = nullptr );
831 OGRErr Compile( OGRFeatureDefn *, const char *,
832 int bCheck = TRUE,
833 swq_custom_func_registrar*
834 poCustomFuncRegistrar = nullptr );
835 int Evaluate( OGRFeature * );
836
837 GIntBig *EvaluateAgainstIndices( OGRLayer *, OGRErr * );
838
839 int CanUseIndex( OGRLayer * );
840
841 char **GetUsedFields();
842
843 void *GetSWQExpr() { return pSWQExpr; }
844 };
846
847 #endif /* ndef OGR_FEATURE_H_INCLUDED */
OGRFeatureDefn::ToHandle
static OGRFeatureDefnH ToHandle(OGRFeatureDefn *poFeatureDefn)
Convert a OGRFeatureDefn* to a OGRFeatureDefnH.
Definition: ogr_feature.h:333
OGRFeature::SetField
void SetField(const char *pszFName, int nCount, const int *panValues)
Set field to list of integers value.
Definition: ogr_feature.h:691
OGRFeatureDefn::GetGeomFieldCount
virtual int GetGeomFieldCount() const
Fetch number of geometry fields on this feature.
Definition: ogrfeaturedefn.cpp:631
OGRFieldDefn::GetSubType
OGRFieldSubType GetSubType() const
Fetch subtype of this field.
Definition: ogr_feature.h:119
OGRFeatureUniquePtr
std::unique_ptr< OGRFeature, OGRFeatureUniquePtrDeleter > OGRFeatureUniquePtr
Unique pointer type for OGRFeature.
Definition: ogr_feature.h:780
OGRFeature::SetField
void SetField(const char *pszFName, int nCount, const double *padfValues)
Set field to list of doubles value.
Definition: ogr_feature.h:697
OGRFieldSubType
OGRFieldSubType
List of field subtypes.
Definition: ogr_core.h:622
OGRFeature::FromHandle
static OGRFeature * FromHandle(OGRFeatureH hFeature)
Convert a OGRFeatureH to a OGRFeature*.
Definition: ogr_feature.h:763
OGRGeomFieldDefnH
struct OGRGeomFieldDefnHS * OGRGeomFieldDefnH
Opaque type for a geometry field definition (OGRGeomFieldDefn)
Definition: ogr_feature.h:69
OGRFieldDefn::GetJustify
OGRJustification GetJustify() const
Get the justification for this field.
Definition: ogr_feature.h:123
OGRFeatureH
void * OGRFeatureH
Opaque type for a feature (OGRFeature)
Definition: ogr_feature.h:64
OGRFeature::FieldValue::GetDouble
double GetDouble() const
Return the double value.
Definition: ogr_feature.h:471
OGRFeature::GetFieldAsString
const char * GetFieldAsString(const char *pszFName) const
Fetch field value as a string.
Definition: ogr_feature.h:651
OGRFeature::SetField
void SetField(const char *pszFName, double dfValue)
Set field to double value.
Definition: ogr_feature.h:687
OGRFeature::GetRawFieldRef
OGRField * GetRawFieldRef(int i)
Fetch a pointer to the internal field value given the index.
Definition: ogr_feature.h:619
OGRGeomFieldDefn::IsIgnored
int IsIgnored() const
Return whether this field should be omitted when fetching features.
Definition: ogr_feature.h:211
OGRFeatureDefn::FromHandle
static OGRFeatureDefn * FromHandle(OGRFeatureDefnH hFeatureDefn)
Convert a OGRFeatureDefnH to a OGRFeatureDefn*.
Definition: ogr_feature.h:339
OGRGeomFieldDefn::SetNullable
void SetNullable(int bNullableIn)
Set whether this geometry field can receive null values.
Definition: ogr_feature.h:215
OGRGeomFieldDefn
Definition of a geometry field of an OGRFeatureDefn.
Definition: ogr_feature.h:182
OGRFieldDefn::ToHandle
static OGRFieldDefnH ToHandle(OGRFieldDefn *poFieldDefn)
Convert a OGRFieldDefn* to a OGRFieldDefnH.
Definition: ogr_feature.h:152
OGRFeatureDefn::IsStyleIgnored
virtual int IsStyleIgnored() const
Determine whether the style can be omitted when fetching features.
Definition: ogr_feature.h:314
OGRGeomFieldDefn::FromHandle
static OGRGeomFieldDefn * FromHandle(OGRGeomFieldDefnH hGeomFieldDefn)
Convert a OGRGeomFieldDefnH to a OGRGeomFieldDefn*.
Definition: ogr_feature.h:229
OGRGeomFieldDefn::GetNameRef
const char * GetNameRef() const
Fetch name of this field.
Definition: ogr_feature.h:203
OGRFeature::GetGeomFieldDefnRef
const OGRGeomFieldDefn * GetGeomFieldDefnRef(int iField) const
Fetch definition for this geometry field.
Definition: ogr_feature.h:584
OGRFeatureDefn::SetStyleIgnored
virtual void SetStyleIgnored(int bIgnore)
Set whether the style can be omitted when fetching features.
Definition: ogr_feature.h:315
OGRFeature::SetField
void SetField(const char *pszFName, OGRField *puValue)
Set field.
Definition: ogr_feature.h:702
OGRFeature::FieldNotFoundException
Exception raised by operator[](const char*) when a field is not found.
Definition: ogr_feature.h:566
OGRBoolean
int OGRBoolean
Type for a OGR boolean.
Definition: ogr_core.h:306
OGRStyleTableH
void * OGRStyleTableH
Opaque type for a style table (OGRStyleTable)
Definition: ogr_feature.h:66
GByte
unsigned char GByte
Unsigned byte type.
Definition: cpl_port.h:215
OGRFeature::FieldValue::GetName
const char * GetName() const
Return field name.
Definition: ogr_feature.h:434
OGRFeature::FieldValue::GetInteger
int GetInteger() const
Return the integer value.
Definition: ogr_feature.h:459
OGRFeature::GetFieldIndex
int GetFieldIndex(const char *pszName) const
Fetch the field index given field name.
Definition: ogr_feature.h:606
OGRFieldDefn::GetWidth
int GetWidth() const
Get the formatting width for this field.
Definition: ogr_feature.h:127
OGRFeatureDefn::GetFieldIndex
virtual int GetFieldIndex(const char *) const
Find field by name.
Definition: ogrfeaturedefn.cpp:1217
OGRFeature::FieldValue::GetInteger64
GIntBig GetInteger64() const
Return the 64-bit integer value.
Definition: ogr_feature.h:465
OGRFeatureDefn
Definition of a feature class or feature layer.
Definition: ogr_feature.h:259
wkbUnknown
unknown type, non-standard
Definition: ogr_core.h:319
OGRFeature::GetRawFieldRef
const OGRField * GetRawFieldRef(int i) const
Fetch a pointer to the internal field value given the index.
Definition: ogr_feature.h:620
OGRFeature::FieldValue::empty
bool empty() const
Return whether the field value is unset/empty.
Definition: ogr_feature.h:442
OGRFieldDefn::FromHandle
static OGRFieldDefn * FromHandle(OGRFieldDefnH hFieldDefn)
Convert a OGRFieldDefnH to a OGRFieldDefn*.
Definition: ogr_feature.h:158
OGRFieldDefn::GetType
OGRFieldType GetType() const
Fetch type of this field.
Definition: ogr_feature.h:115
OGRFeature::SetField
void SetField(const char *pszFName, const char *const *papszValues)
Set field to list of strings value.
Definition: ogr_feature.h:700
ogr_featurestyle.h
Simple feature style classes.
OGRFeature::GetFieldAsInteger64
GIntBig GetFieldAsInteger64(const char *pszFName) const
Fetch field value as integer 64 bit.
Definition: ogr_feature.h:647
OGRFeature::SetField
void SetField(const char *pszFName, int nValue)
Set field to integer value.
Definition: ogr_feature.h:683
OGRFieldDefn::GetPrecision
int GetPrecision() const
Get the formatting precision for this field.
Definition: ogr_feature.h:130
OGRFieldDefn
Definition of an attribute of an OGRFeatureDefn.
Definition: ogr_feature.h:92
OGRFeature::GetGeomFieldIndex
int GetGeomFieldIndex(const char *pszName) const
Fetch the geometry field index given geometry field name.
Definition: ogr_feature.h:586
OGRFieldDefnH
void * OGRFieldDefnH
Opaque type for a field definition (OGRFieldDefn)
Definition: ogr_feature.h:60
OGRFeatureDefn::GetGeomFieldIndex
virtual int GetGeomFieldIndex(const char *) const
Find geometry field by name.
Definition: ogrfeaturedefn.cpp:915
MAX
#define MAX(a, b)
Macro to compute the maximum of 2 values.
Definition: cpl_port.h:399
OGRFieldDefnH
void * OGRFieldDefnH
Opaque type for a field definition (OGRFieldDefn)
Definition: ogr_api.h:297
OGRFeature::FieldValue::GetSubType
OGRFieldSubType GetSubType() const
Return field subtype.
Definition: ogr_feature.h:438
OGRFeature::GetFID
GIntBig GetFID() const
Get feature identifier.
Definition: ogr_feature.h:712
OGRGeomFieldDefnH
struct OGRGeomFieldDefnHS * OGRGeomFieldDefnH
Opaque type for a geometry field definition (OGRGeomFieldDefn)
Definition: ogr_api.h:306
OGRFeature::FieldValue::Unset
void Unset()
Unset the field.
Definition: ogr_feature.h:423
OGRwkbGeometryType
OGRwkbGeometryType
List of well known binary geometry types.
Definition: ogr_core.h:317
OGRFeature::FieldValue::GetString
const char * GetString() const
Return the string value.
Definition: ogr_feature.h:477
OGRFeature::GetNativeMediaType
const char * GetNativeMediaType() const
Returns the native media type for the feature.
Definition: ogr_feature.h:746
OGRFeature::ConstFieldIterator
Field value iterator class.
Definition: ogr_feature.h:524
OGRFeatureDefn::GetGeomFieldDefn
virtual OGRGeomFieldDefn * GetGeomFieldDefn(int i)
Fetch geometry field definition.
Definition: ogrfeaturedefn.cpp:680
OGRFeature::GetFieldDefnRef
OGRFieldDefn * GetFieldDefnRef(int iField)
Fetch definition for this field.
Definition: ogr_feature.h:604
OGRFieldDefn::SetPrecision
void SetPrecision(int nPrecisionIn)
Set the formatting precision for this field in characters.
Definition: ogr_feature.h:131
OGRGeometry
Abstract base class for all geometry classes.
Definition: ogr_geometry.h:286
OGRGeomFieldDefn::GetType
OGRwkbGeometryType GetType() const
Fetch geometry type of this field.
Definition: ogr_feature.h:205
CSLConstList
char ** CSLConstList
Type of a constant null-terminated list of nul terminated strings.
Definition: cpl_port.h:1186
OGRGeomFieldDefn::ToHandle
static OGRGeomFieldDefnH ToHandle(OGRGeomFieldDefn *poGeomFieldDefn)
Convert a OGRGeomFieldDefn* to a OGRGeomFieldDefnH.
Definition: ogr_feature.h:223
OGRFeatureDefn::GetReferenceCount
int GetReferenceCount() const
Fetch current reference count.
Definition: ogr_feature.h:309
OGRFieldDefn::IsNullable
int IsNullable() const
Return whether this field can receive null values.
Definition: ogr_feature.h:144
OGRFieldDefn::SetWidth
void SetWidth(int nWidthIn)
Set the formatting width for this field in characters.
Definition: ogr_feature.h:128
OGRFeature::FieldValue
Field value.
Definition: ogr_feature.h:381
OGRJustification
OGRJustification
Display justification for field values.
Definition: ogr_core.h:642
OGRFeature::SetField
void SetField(const char *pszFName, int nCount, const GIntBig *panValues)
Set field to list of 64 bit integers value.
Definition: ogr_feature.h:694
OGRFeatureDefn::Reference
int Reference()
Increments the reference count by one.
Definition: ogr_feature.h:307
OGRFeature::end
ConstFieldIterator end() const
Return end of field value iterator.
Definition: ogrfeature.cpp:7093
OGRFieldType
OGRFieldType
List of feature field types.
Definition: ogr_core.h:594
OGRFeatureDefnH
void * OGRFeatureDefnH
Opaque type for a feature definition (OGRFeatureDefn)
Definition: ogr_feature.h:62
OGRSpatialReference
This class represents an OpenGIS Spatial Reference System, and contains methods for converting betwee...
Definition: ogr_spatialref.h:147
OGRFeature::GetFieldAsInteger64List
const GIntBig * GetFieldAsInteger64List(const char *pszFName, int *pnCount) const
Fetch field value as a list of 64 bit integers.
Definition: ogr_feature.h:657
OGRFeature::SetField
void SetField(const char *pszFName, GIntBig nValue)
Set field to 64 bit integer value.
Definition: ogr_feature.h:685
OGRFeature::GetStyleTable
virtual OGRStyleTable * GetStyleTable() const
Return style table.
Definition: ogr_feature.h:741
OGRFeatureH
void * OGRFeatureH
Opaque type for a feature (OGRFeature)
Definition: ogr_api.h:301
OGRFeature::GetDefnRef
const OGRFeatureDefn * GetDefnRef() const
Fetch feature definition.
Definition: ogr_feature.h:572
OGRFeatureDefn::Dereference
int Dereference()
Decrements the reference count by one.
Definition: ogr_feature.h:308
OGRFeature::GetFieldAsDoubleList
const double * GetFieldAsDoubleList(const char *pszFName, int *pnCount) const
Fetch field value as a list of doubles.
Definition: ogr_feature.h:661
OGRFieldDefn::GetNameRef
const char * GetNameRef() const
Fetch name of this field.
Definition: ogr_feature.h:113
OGRField
OGRFeature field attribute value union.
Definition: ogr_core.h:683
OGRGeomFieldDefn::SetIgnored
void SetIgnored(int bIgnoreIn)
Set whether this field should be omitted when fetching features.
Definition: ogr_feature.h:212
OGRLayer
This class represents a layer of simple features, with access methods.
Definition: ogrsf_frmts.h:70
OGRFieldDefn::IsIgnored
int IsIgnored() const
Return whether this field should be omitted when fetching features.
Definition: ogr_feature.h:141
OGRFeature::GetFieldAsInteger
int GetFieldAsInteger(const char *pszFName) const
Fetch field value as integer.
Definition: ogr_feature.h:645
OGRFeature::GetGeomFieldDefnRef
OGRGeomFieldDefn * GetGeomFieldDefnRef(int iField)
Fetch definition for this geometry field.
Definition: ogr_feature.h:582
OGRFeature
A simple feature, including geometry and attributes.
Definition: ogr_feature.h:354
OGRFeatureDefn::GetFieldDefn
virtual OGRFieldDefn * GetFieldDefn(int i)
Fetch field definition.
Definition: ogrfeaturedefn.cpp:329
OGRFeature::ToHandle
static OGRFeatureH ToHandle(OGRFeature *poFeature)
Convert a OGRFeature* to a OGRFeatureH.
Definition: ogr_feature.h:757
OGRStyleTable
This class represents a style table.
Definition: ogr_featurestyle.h:84
GIntBig
long long GIntBig
Large signed integer type (generally 64-bit integer type).
Definition: cpl_port.h:248
OGRFeature::SetField
void SetField(const char *pszFName, const char *pszValue)
Set field to string value.
Definition: ogr_feature.h:689
OGRFeature::FieldValue::GetType
OGRFieldType GetType() const
Return field type.
Definition: ogr_feature.h:436
OGRFeature::GetFieldAsStringList
char ** GetFieldAsStringList(const char *pszFName) const
Fetch field value as a list of strings.
Definition: ogr_feature.h:665
OGRFeature::GetFieldAsDouble
double GetFieldAsDouble(const char *pszFName) const
Fetch field value as a double.
Definition: ogr_feature.h:649
begin
OGRLayer::FeatureIterator begin(OGRLayer *poLayer)
Return begin of feature iterator.
Definition: ogrsf_frmts.h:287
OGRFeature::GetNativeData
const char * GetNativeData() const
Returns the native data for the feature.
Definition: ogr_feature.h:745
OGRFeature::begin
ConstFieldIterator begin() const
Return begin of field value iterator.
Definition: ogrfeature.cpp:7088
ogr_geometry.h
Simple feature geometry classes.
OGRFieldDefn::SetJustify
void SetJustify(OGRJustification eJustifyIn)
Set the justification for this field.
Definition: ogr_feature.h:124
OGRErr
int OGRErr
Simple container for a bounding region.
Definition: ogr_core.h:290
OGRGeomFieldDefn::IsNullable
int IsNullable() const
Return whether this geometry field can receive null values.
Definition: ogr_feature.h:214
OGRFeature::GetDefnRef
OGRFeatureDefn * GetDefnRef()
Fetch feature definition.
Definition: ogr_feature.h:571
OGRFeatureDefnH
void * OGRFeatureDefnH
Opaque type for a feature definition (OGRFeatureDefn)
Definition: ogr_api.h:299
end
OGRLayer::FeatureIterator end(OGRLayer *poLayer)
Return end of feature iterator.
Definition: ogrsf_frmts.h:292
OGRFeature::GetFieldAsIntegerList
const int * GetFieldAsIntegerList(const char *pszFName, int *pnCount) const
Fetch field value as a list of integers.
Definition: ogr_feature.h:653
OGRFeature::SetField
void SetField(const char *pszFName, int nYear, int nMonth, int nDay, int nHour=0, int nMinute=0, float fSecond=0.f, int nTZFlag=0)
Set field to date.
Definition: ogr_feature.h:704
OGRFeature::GetFieldDefnRef
const OGRFieldDefn * GetFieldDefnRef(int iField) const
Fetch definition for this field.
Definition: ogr_feature.h:602
OGRFieldDefn::SetIgnored
void SetIgnored(int bIgnoreIn)
Set whether this field should be omitted when fetching features.
Definition: ogr_feature.h:142
OGRFeatureDefn::GetFieldCount
virtual int GetFieldCount() const
Fetch number of fields on this feature.
Definition: ogrfeaturedefn.cpp:285
CPL_DISALLOW_COPY_ASSIGN
#define CPL_DISALLOW_COPY_ASSIGN(ClassName)
Helper to remove the copy and assignment constructors so that the compiler will not generate the defa...
Definition: cpl_port.h:989
OGRFieldDefn::SetNullable
void SetNullable(int bNullableIn)
Set whether this field can receive null values.
Definition: ogr_feature.h:145
CPL_WARN_UNUSED_RESULT
#define CPL_WARN_UNUSED_RESULT
Qualifier to warn when the return value of a function is not used.
Definition: cpl_port.h:931

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