QGIS API Documentation  2.18.3-Las Palmas (77b8c3d)
qgswkbtypes.cpp
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1 /***************************************************************************
2  qgswkbtypes.cpp
3  ---------------
4  begin : January 2015
5  copyright : (C) 2015 by Marco Hugentobler
6  email : marco at sourcepole dot ch
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #include "qgswkbtypes.h"
19 
20 /***************************************************************************
21  * This class is considered CRITICAL and any change MUST be accompanied with
22  * full unit tests.
23  * See details in QEP #17
24  ****************************************************************************/
25 
27 {
28  static QMap<QgsWKBTypes::Type, QgsWKBTypes::wkbEntry> entries = registerTypes();
29  return &entries;
30 }
31 
33 {
34  QString typestr = wktStr.left( wktStr.indexOf( '(' ) ).simplified().remove( ' ' );
35 
36  QMap<QgsWKBTypes::Type, QgsWKBTypes::wkbEntry>* knownTypes = entries();
38  for ( ; it != knownTypes->constEnd(); ++it )
39  {
40  if ( it.value().mName.compare( typestr, Qt::CaseInsensitive ) == 0 )
41  {
42  return it.key();
43  }
44  }
45  return Unknown;
46 }
47 
49 {
50  QMap< Type, wkbEntry >::const_iterator it = entries()->constFind( type );
51  if ( it == entries()->constEnd() )
52  {
53  return QString::null;
54  }
55  return it->mName;
56 }
57 
58 /***************************************************************************
59  * This class is considered CRITICAL and any change MUST be accompanied with
60  * full unit tests.
61  * See details in QEP #17
62  ****************************************************************************/
63 
64 QMap<QgsWKBTypes::Type, QgsWKBTypes::wkbEntry> QgsWKBTypes::registerTypes()
65 {
67  //register the known wkb types
68  entries.insert( Unknown, wkbEntry( "Unknown", false, Unknown, Unknown, Unknown, UnknownGeometry, false, false ) );
69  entries.insert( NoGeometry, wkbEntry( "NoGeometry", false, NoGeometry, NoGeometry, NoGeometry, NullGeometry, false, false ) );
70  //point
71  entries.insert( Point, wkbEntry( "Point", false, MultiPoint, Point, Point, PointGeometry, false, false ) );
72  entries.insert( PointZ, wkbEntry( "PointZ", false, MultiPointZ, PointZ, Point, PointGeometry, true, false ) );
73  entries.insert( PointM, wkbEntry( "PointM", false, MultiPointM, PointM, Point, PointGeometry, false, true ) );
74  entries.insert( PointZM, wkbEntry( "PointZM", false, MultiPointZM, PointZM, Point, PointGeometry, true, true ) );
75  entries.insert( Point25D, wkbEntry( "Point25D", false, MultiPoint25D, Point25D, Point, PointGeometry, true, false ) );
76  //linestring
77  entries.insert( LineString, wkbEntry( "LineString", false, MultiLineString, LineString, LineString, LineGeometry, false, false ) );
78  entries.insert( LineStringZ, wkbEntry( "LineStringZ", false, MultiLineStringZ, LineStringZ, LineString, LineGeometry, true, false ) );
79  entries.insert( LineStringM, wkbEntry( "LineStringM", false, MultiLineStringM, LineStringM, LineString, LineGeometry, false, true ) );
80  entries.insert( LineStringZM, wkbEntry( "LineStringZM", false, MultiLineStringZM, LineStringZM, LineString, LineGeometry, true, true ) );
81  entries.insert( LineString25D, wkbEntry( "LineString25D", false, MultiLineString25D, LineString25D, LineString, LineGeometry, true, false ) );
82  //circularstring
83  entries.insert( CircularString, wkbEntry( "CircularString", false, MultiCurve, CircularString, CircularString, LineGeometry, false, false ) );
84  entries.insert( CircularStringZ, wkbEntry( "CircularStringZ", false, MultiCurveZ, CircularStringZ, CircularString, LineGeometry, true, false ) );
85  entries.insert( CircularStringM, wkbEntry( "CircularStringM", false, MultiCurveM, CircularStringM, CircularString, LineGeometry, false, true ) );
86  entries.insert( CircularStringZM, wkbEntry( "CircularStringZM", false, MultiCurveZM, CircularStringZM, CircularString, LineGeometry, true, true ) );
87  //compoundcurve
88  entries.insert( CompoundCurve, wkbEntry( "CompoundCurve", false, MultiCurve, CompoundCurve, CompoundCurve, LineGeometry, false, false ) );
89  entries.insert( CompoundCurveZ, wkbEntry( "CompoundCurveZ", false, MultiCurveZ, CompoundCurveZ, CompoundCurve, LineGeometry, true, false ) );
90  entries.insert( CompoundCurveM, wkbEntry( "CompoundCurveM", false, MultiCurveM, CompoundCurveM, CompoundCurve, LineGeometry, false, true ) );
91  entries.insert( CompoundCurveZM, wkbEntry( "CompoundCurveZM", false, MultiCurveZM, CompoundCurveZM, CompoundCurve, LineGeometry, true, true ) );
92  //polygon
93  entries.insert( Polygon, wkbEntry( "Polygon", false, MultiPolygon, Polygon, Polygon, PolygonGeometry, false, false ) );
94  entries.insert( PolygonZ, wkbEntry( "PolygonZ", false, MultiPolygonZ, PolygonZ, Polygon, PolygonGeometry, true, false ) );
95  entries.insert( PolygonM, wkbEntry( "PolygonM", false, MultiPolygonM, PolygonM, Polygon, PolygonGeometry, false, true ) );
96  entries.insert( PolygonZM, wkbEntry( "PolygonZM", false, MultiPolygonZM, PolygonZM, Polygon, PolygonGeometry, true, true ) );
97  entries.insert( Polygon25D, wkbEntry( "Polygon25D", false, MultiPolygon25D, Polygon25D, Polygon, PolygonGeometry, true, false ) );
98  //curvepolygon
99  entries.insert( CurvePolygon, wkbEntry( "CurvePolygon", false, MultiSurface, CurvePolygon, CurvePolygon, PolygonGeometry, false, false ) );
100  entries.insert( CurvePolygonZ, wkbEntry( "CurvePolygonZ", false, MultiSurfaceZ, CurvePolygonZ, CurvePolygon, PolygonGeometry, true, false ) );
101  entries.insert( CurvePolygonM, wkbEntry( "CurvePolygonM", false, MultiSurfaceM, CurvePolygonM, CurvePolygon, PolygonGeometry, false, true ) );
102  entries.insert( CurvePolygonZM, wkbEntry( "CurvePolygonZM", false, MultiSurfaceZM, CurvePolygonZM, CurvePolygon, PolygonGeometry, true, true ) );
103  //multipoint
104  entries.insert( MultiPoint, wkbEntry( "MultiPoint", true, MultiPoint, Point, MultiPoint, PointGeometry, false, false ) );
105  entries.insert( MultiPointZ, wkbEntry( "MultiPointZ", true, MultiPointZ, PointZ, MultiPoint, PointGeometry, true, false ) );
106  entries.insert( MultiPointM, wkbEntry( "MultiPointM", true, MultiPointM, PointM, MultiPoint, PointGeometry, false, true ) );
107  entries.insert( MultiPointZM, wkbEntry( "MultiPointZM", true, MultiPointZM, PointZM, MultiPoint, PointGeometry, true, true ) );
108  entries.insert( MultiPoint25D, wkbEntry( "MultiPoint25D", true, MultiPoint25D, Point25D, MultiPoint, PointGeometry, true, false ) );
109  //multiline
110  entries.insert( MultiLineString, wkbEntry( "MultiLineString", true, MultiLineString, LineString, MultiLineString, LineGeometry, false, false ) );
111  entries.insert( MultiLineStringZ, wkbEntry( "MultiLineStringZ", true, MultiLineStringZ, LineStringZ, MultiLineString, LineGeometry, true, false ) );
112  entries.insert( MultiLineStringM, wkbEntry( "MultiLineStringM", true, MultiLineStringM, LineStringM, MultiLineString, LineGeometry, false, true ) );
113  entries.insert( MultiLineStringZM, wkbEntry( "MultiLineStringZM", true, MultiLineStringZM, LineStringZM, MultiLineString, LineGeometry, true, true ) );
114  entries.insert( MultiLineString25D, wkbEntry( "MultiLineString25D", true, MultiLineString25D, LineString25D, MultiLineString, LineGeometry, true, false ) );
115  //multicurve
116  entries.insert( MultiCurve, wkbEntry( "MultiCurve", true, MultiCurve, CompoundCurve, MultiCurve, LineGeometry, false, false ) );
117  entries.insert( MultiCurveZ, wkbEntry( "MultiCurveZ", true, MultiCurveZ, CompoundCurveZ, MultiCurve, LineGeometry, true, false ) );
118  entries.insert( MultiCurveM, wkbEntry( "MultiCurveM", true, MultiCurveM, CompoundCurveM, MultiCurve, LineGeometry, false, true ) );
119  entries.insert( MultiCurveZM, wkbEntry( "MultiCurveZM", true, MultiCurveZM, CompoundCurveZM, MultiCurve, LineGeometry, true, true ) );
120  //multipolygon
121  entries.insert( MultiPolygon, wkbEntry( "MultiPolygon", true, MultiPolygon, Polygon, MultiPolygon, PolygonGeometry, false, false ) );
122  entries.insert( MultiPolygonZ, wkbEntry( "MultiPolygonZ", true, MultiPolygonZ, PolygonZ, MultiPolygon, PolygonGeometry, true, false ) );
123  entries.insert( MultiPolygonM, wkbEntry( "MultiPolygonM", true, MultiPolygonM, PolygonM, MultiPolygon, PolygonGeometry, false, true ) );
124  entries.insert( MultiPolygonZM, wkbEntry( "MultiPolygonZM", true, MultiPolygonZM, PolygonZM, MultiPolygon, PolygonGeometry, true, true ) );
125  entries.insert( MultiPolygon25D, wkbEntry( "MultiPolygon25D", true, MultiPolygon25D, Polygon25D, MultiPolygon, PolygonGeometry, true, false ) );
126  //multisurface
127  entries.insert( MultiSurface, wkbEntry( "MultiSurface", true, MultiSurface, CurvePolygon, MultiSurface, PolygonGeometry, false, false ) );
128  entries.insert( MultiSurfaceZ, wkbEntry( "MultiSurfaceZ", true, MultiSurfaceZ, CurvePolygonZ, MultiSurface, PolygonGeometry, true, false ) );
129  entries.insert( MultiSurfaceM, wkbEntry( "MultiSurfaceM", true, MultiSurfaceM, CurvePolygonM, MultiSurface, PolygonGeometry, false, true ) );
130  entries.insert( MultiSurfaceZM, wkbEntry( "MultiSurfaceZM", true, MultiSurfaceZM, CurvePolygonZM, MultiSurface, PolygonGeometry, true, true ) );
131  //geometrycollection
132  entries.insert( GeometryCollection, wkbEntry( "GeometryCollection", true, GeometryCollection, Unknown, GeometryCollection, UnknownGeometry, false, false ) );
133  entries.insert( GeometryCollectionZ, wkbEntry( "GeometryCollectionZ", true, GeometryCollectionZ, Unknown, GeometryCollection, UnknownGeometry, true, false ) );
134  entries.insert( GeometryCollectionM, wkbEntry( "GeometryCollectionM", true, GeometryCollectionM, Unknown, GeometryCollection, UnknownGeometry, false, true ) );
135  entries.insert( GeometryCollectionZM, wkbEntry( "GeometryCollectionZM", true, GeometryCollectionZM, Unknown, GeometryCollection, UnknownGeometry, true, true ) );
136  return entries;
137 }
int indexOf(QChar ch, int from, Qt::CaseSensitivity cs) const
const_iterator constBegin() const
QString & remove(int position, int n)
const Key & key() const
const_iterator constEnd() const
const T & value() const
QString left(int n) const
iterator insert(const Key &key, const T &value)
static Type parseType(const QString &wktStr)
Attempts to extract the WKB type from a WKT string.
Definition: qgswkbtypes.cpp:32
static QString displayString(Type type)
Returns a display string type for a WKB type, eg the geometry name used in WKT geometry representatio...
Definition: qgswkbtypes.cpp:48