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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
// Copyright (c) 2007 GeometryFactory (France). All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/BGL/include/CGAL/boost/graph/properties.h $
// $Id: include/CGAL/boost/graph/properties.h 08b27d3db14 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Andreas Fabri, Fernando Cacciola
#ifndef CGAL_BOOST_GRAPH_BGL_PROPERTIES_H
#define CGAL_BOOST_GRAPH_BGL_PROPERTIES_H
#include <CGAL/property_map.h>
#include <CGAL/Dynamic_property_map.h>
#include <CGAL/basic.h>
#include <boost/graph/properties.hpp>
#include <boost/graph/graph_traits.hpp>
#include <string>
#include <vector>
#include <type_traits>
namespace CGAL {
template<typename Graph, typename PropertyTag>
struct graph_has_property : CGAL::Tag_false { };
} // namespace CGAL
namespace boost {
enum vertex_point_t { vertex_point };
// vertex_index_t is defined in boost
enum vertex_external_index_t { vertex_external_index };
enum halfedge_index_t { halfedge_index };
enum halfedge_external_index_t { halfedge_external_index };
// edge_index_t is defined in boost
enum edge_external_index_t { edge_external_index };
enum face_index_t { face_index };
enum face_external_index_t { face_external_index };
struct cgal_no_property
{
typedef bool type;
typedef const bool const_type;
};
// Introduce those two tags so we can use BOOST_INSTALL_PROPERTY
// macro. This is dangerous because we now rely on implementation
// details.
struct halfedge_property_tag { };
struct face_property_tag { };
BOOST_INSTALL_PROPERTY(vertex, point);
BOOST_INSTALL_PROPERTY(vertex, external_index);
BOOST_INSTALL_PROPERTY(halfedge, external_index);
BOOST_INSTALL_PROPERTY(edge, external_index);
BOOST_INSTALL_PROPERTY(face, index);
BOOST_INSTALL_PROPERTY(face, external_index);
} // boost
namespace CGAL {
using boost::vertex_point_t;
using boost::vertex_point;
using boost::vertex_index_t;
using boost::vertex_index;
using boost::vertex_external_index_t;
using boost::vertex_external_index;
using boost::halfedge_index_t;
using boost::halfedge_index;
using boost::halfedge_external_index_t;
using boost::halfedge_external_index;
using boost::edge_index_t;
using boost::edge_index;
using boost::edge_external_index_t;
using boost::edge_external_index;
using boost::face_index_t;
using boost::face_index;
using boost::face_external_index_t;
using boost::face_external_index;
} // CGAL
namespace CGAL {
namespace internal {
template<typename Polyhedron, typename Handle>
struct Index_accessor
: boost::put_get_helper< std::size_t&, Index_accessor<Polyhedron,Handle> >
{
typedef boost::lvalue_property_map_tag category;
typedef std::size_t& reference;
typedef std::size_t value_type;
typedef Handle key_type;
reference operator[](Handle h) const { return h->id(); }
};
template<typename Handle>
struct Edge_index_accessor
{
typedef boost::readable_property_map_tag category;
typedef std::size_t reference;
typedef std::size_t value_type;
typedef Handle key_type;
value_type operator[](Handle h) const { return h.id(); }
friend inline value_type get(const Edge_index_accessor& m, const key_type k) { return m[k]; }
};
template<typename Handle, typename ValueType, typename Reference,
bool is_const = std::is_const<
typename std::remove_reference<Reference>::type >::value>
struct Point_accessor
: boost::put_get_helper< Reference, Point_accessor<Handle, ValueType, Reference> >
{
typedef boost::lvalue_property_map_tag category;
typedef Reference reference;
typedef ValueType value_type;
typedef Handle key_type;
reference operator[](Handle h) const { return h->point(); }
};
// partial specialization for const map to make them constructible from non-const map
template<typename Handle, typename ValueType, typename ConstReference>
struct Point_accessor<Handle, ValueType, ConstReference, true>
: boost::put_get_helper< ConstReference, Point_accessor<Handle, ValueType, ConstReference, true> >
{
typedef boost::lvalue_property_map_tag category;
typedef ConstReference reference;
typedef ValueType value_type;
typedef Handle key_type;
typedef std::conditional_t< std::is_reference_v<ConstReference>,
ValueType&,
ValueType > Reference;
Point_accessor() {}
Point_accessor(Point_accessor<Handle, ValueType, Reference, false>) {}
reference operator[](Handle h) const { return h->point(); }
};
// this one is basically 'readable_property_map_tag'
template <typename PropertyMap,
typename PropertyMapCategory = typename boost::property_traits<PropertyMap>::category>
struct Is_writable_property_map : CGAL::Tag_false { };
template <typename PropertyMap>
struct Is_writable_property_map<PropertyMap, boost::writable_property_map_tag> : CGAL::Tag_true { };
template <typename PropertyMap>
struct Is_writable_property_map<PropertyMap, boost::read_write_property_map_tag> : CGAL::Tag_true { };
// 'lvalue_property_map_tag' is annoying, because the property map is allowed to be non-mutable,
// but boost::lvalue_property_map_tag is always defined as:
// struct lvalue_property_map_tag : public read_write_property_map_tag
// whereas it should sometimes only be
// struct lvalue_property_map_tag : public readable_property_map_tag.
//
// This checks if the reference is non-const, which is not completely correct: map[key] returning
// a non-const reference doesn't mean that 'put(map, key, val)' exists, which is what a writable
// property map must define.
template <typename PropertyMap>
struct Is_writable_property_map<PropertyMap, boost::lvalue_property_map_tag>
: std::conditional_t<std::is_const<typename std::remove_reference<
typename boost::property_traits<PropertyMap>::reference>::type>::value,
CGAL::Tag_false, CGAL::Tag_true>
{ };
} // namespace internal
// Needed by PMP::detect_features and Mesh_3
enum vertex_feature_degree_t { vertex_feature_degree };
enum edge_is_feature_t { edge_is_feature };
enum vertex_time_stamp_t { vertex_time_stamp};
enum halfedge_time_stamp_t { halfedge_time_stamp};
enum face_time_stamp_t { face_time_stamp};
template<typename ID>
struct vertex_incident_patches_t {
typedef ID type;
};
template<typename ID>
struct face_patch_id_t {
typedef ID type;
};
} // namespace CGAL
#endif // CGAL_BOOST_GRAPH_BGL_PROPERTIES_H
|
