63e88f80
 Hu Chunming
提交三方库
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Boost.Geometry Index
//
// Insert iterator
//
// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
//
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_INDEX_INSERTER_HPP
#define BOOST_GEOMETRY_INDEX_INSERTER_HPP
#include <iterator>
/*!
\defgroup inserters Inserters (boost::geometry::index::)
*/
namespace boost { namespace geometry { namespace index {
template <class Container>
class insert_iterator
{
public:
typedef std::output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
typedef Container container_type;
inline explicit insert_iterator(Container & c)
: container(&c)
{}
insert_iterator & operator=(typename Container::value_type const& value)
{
container->insert(value);
return *this;
}
insert_iterator & operator* ()
{
return *this;
}
insert_iterator & operator++ ()
{
return *this;
}
insert_iterator operator++(int)
{
return *this;
}
private:
Container * container;
};
/*!
\brief Insert iterator generator.
Returns insert iterator capable to insert values to the container
(spatial index) which has member function insert(value_type const&) defined.
\ingroup inserters
\param c The reference to the container (spatial index) to which values will be inserted.
\return The insert iterator inserting values to the container.
*/
template <typename Container>
insert_iterator<Container> inserter(Container & c)
{
return insert_iterator<Container>(c);
}
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_INSERTER_HPP
|
