1// Boost.Geometry (aka GGL, Generic Geometry Library)
2
3// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
4// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
5// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
6// Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
7
8// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
9// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
10
11// Use, modification and distribution is subject to the Boost Software License,
12// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
13// http://www.boost.org/LICENSE_1_0.txt)
14
15#ifndef BOOST_GEOMETRY_GEOMETRIES_MULTI_LINESTRING_HPP
16#define BOOST_GEOMETRY_GEOMETRIES_MULTI_LINESTRING_HPP
17
18#include <memory>
19#include <vector>
20
21#include <boost/concept/requires.hpp>
22
23#include <boost/geometry/core/tags.hpp>
24#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
25
26#include <boost/config.hpp>
27#ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
28#include <initializer_list>
29#endif
30
31namespace boost { namespace geometry
32{
33
34
35namespace model
36{
37
38/*!
39\brief multi_line, a collection of linestring
40\details Multi-linestring can be used to group lines belonging to each other,
41 e.g. a highway (with interruptions)
42\ingroup geometries
43
44\qbk{[include reference/geometries/multi_linestring.qbk]}
45\qbk{before.synopsis,
46[heading Model of]
47[link geometry.reference.concepts.concept_multi_linestring MultiLineString Concept]
48}
49*/
50template
51<
52 typename LineString,
53 template<typename, typename> class Container = std::vector,
54 template<typename> class Allocator = std::allocator
55>
56class multi_linestring : public Container<LineString, Allocator<LineString> >
57{
58 BOOST_CONCEPT_ASSERT( (concept::Linestring<LineString>) );
59
60#ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
61
62 // default constructor and base_type definitions are required only
63 // if the constructor taking std::initializer_list is defined
64
65 typedef Container<LineString, Allocator<LineString> > base_type;
66
67public:
68 /// \constructor_default{multi_linestring}
69 multi_linestring()
70 : base_type()
71 {}
72
73 /// \constructor_initializer_list{multi_linestring}
74 inline multi_linestring(std::initializer_list<LineString> l)
75 : base_type(l.begin(), l.end())
76 {}
77
78// Commented out for now in order to support Boost.Assign
79// Without this assignment operator first the object should be created
80// from initializer list, then it shoudl be moved.
81//// Without this workaround in MSVC the assignment operator is ambiguous
82//#ifndef BOOST_MSVC
83// /// \assignment_initializer_list{multi_linestring}
84// inline multi_linestring & operator=(std::initializer_list<LineString> l)
85// {
86// base_type::assign(l.begin(), l.end());
87// return *this;
88// }
89//#endif
90
91#endif
92};
93
94
95} // namespace model
96
97
98#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
99namespace traits
100{
101
102template
103<
104 typename LineString,
105 template<typename, typename> class Container,
106 template<typename> class Allocator
107>
108struct tag< model::multi_linestring<LineString, Container, Allocator> >
109{
110 typedef multi_linestring_tag type;
111};
112
113} // namespace traits
114#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
115
116
117}} // namespace boost::geometry
118
119#endif // BOOST_GEOMETRY_GEOMETRIES_MULTI_LINESTRING_HPP
120

source code of boost/boost/geometry/geometries/multi_linestring.hpp