GEOS  3.8.0dev
WKBReader.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2005-2006 Refractions Research Inc.
7  * Copyright (C) 2001-2002 Vivid Solutions Inc.
8  *
9  * This is free software; you can redistribute and/or modify it under
10  * the terms of the GNU Lesser General Public Licence as published
11  * by the Free Software Foundation.
12  * See the COPYING file for more information.
13  *
14  **********************************************************************
15  *
16  * Last port: io/WKBReader.java rev. 1.1 (JTS-1.7)
17  *
18  **********************************************************************/
19 
20 #ifndef GEOS_IO_WKBREADER_H
21 #define GEOS_IO_WKBREADER_H
22 
23 #include <geos/export.h>
24 
25 #include <geos/geom/GeometryFactory.h>
26 #include <geos/io/ByteOrderDataInStream.h> // for composition
27 
28 #include <iosfwd> // ostream, istream
29 #include <vector>
30 #include <string>
31 
32 #define BAD_GEOM_TYPE_MSG "Bad geometry type encountered in"
33 
34 #ifdef _MSC_VER
35 #pragma warning(push)
36 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
37 #endif
38 
39 // Forward declarations
40 namespace geos {
41 namespace geom {
42 
43 //class GeometryFactory;
44 class Coordinate;
45 class Geometry;
46 class GeometryCollection;
47 class Point;
48 class LineString;
49 class LinearRing;
50 class Polygon;
51 class MultiPoint;
52 class MultiLineString;
53 class MultiPolygon;
54 class PrecisionModel;
55 
56 } // namespace geom
57 } // namespace geos
58 
59 
60 namespace geos {
61 namespace io {
62 
79 class GEOS_DLL WKBReader {
80 
81 public:
82 
83  WKBReader(geom::GeometryFactory const& f): factory(f) {}
84 
86  WKBReader();
87 
96  geom::Geometry* read(std::istream& is);
97  // throws IOException, ParseException
98 
107  geom::Geometry* readHEX(std::istream& is);
108  // throws IOException, ParseException
109 
116  static std::ostream& printHEX(std::istream& is, std::ostream& os);
117 
118 private:
119 
120  const geom::GeometryFactory& factory;
121 
122  // for now support the WKB standard only - may be generalized later
123  unsigned int inputDimension;
124 
125  ByteOrderDataInStream dis;
126 
127  std::vector<double> ordValues;
128 
129  geom::Geometry* readGeometry();
130  // throws IOException, ParseException
131 
132  geom::Point* readPoint();
133  // throws IOException
134 
135  geom::LineString* readLineString();
136  // throws IOException
137 
138  geom::LinearRing* readLinearRing();
139  // throws IOException
140 
141  geom::Polygon* readPolygon();
142  // throws IOException
143 
144  geom::MultiPoint* readMultiPoint();
145  // throws IOException, ParseException
146 
147  geom::MultiLineString* readMultiLineString();
148  // throws IOException, ParseException
149 
150  geom::MultiPolygon* readMultiPolygon();
151  // throws IOException, ParseException
152 
153  geom::GeometryCollection* readGeometryCollection();
154  // throws IOException, ParseException
155 
156  geom::CoordinateSequence* readCoordinateSequence(int); // throws IOException
157 
158  void readCoordinate(); // throws IOException
159 
160  // Declare type as noncopyable
161  WKBReader(const WKBReader& other) = delete;
162  WKBReader& operator=(const WKBReader& rhs) = delete;
163 };
164 
165 } // namespace io
166 } // namespace geos
167 
168 #ifdef _MSC_VER
169 #pragma warning(pop)
170 #endif
171 
172 #endif // #ifndef GEOS_IO_WKBREADER_H
Reads a Geometry from Well-Known Binary format.
Definition: WKBReader.h:79
Models a collection of Polygons.
Definition: MultiPolygon.h:59
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition: Geometry.h:187
Definition: LineString.h:69
Represents a linear polygon, which may include holes.
Definition: Polygon.h:65
Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...
Definition: GeometryFactory.h:67
Represents a collection of heterogeneous Geometry objects.
Definition: GeometryCollection.h:55
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
Definition: MultiPoint.h:54
Models an OGC SFS LinearRing.
Definition: LinearRing.h:56
The internal representation of a list of coordinates inside a Geometry.
Definition: CoordinateSequence.h:58
Definition: Point.h:66
Models a collection of (}s.
Definition: MultiLineString.h:51