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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2015, Oracle and/or its affiliates. | |
4 | ||
5 | // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle | |
6 | ||
7 | // Licensed under the Boost Software License version 1.0. | |
8 | // http://www.boost.org/users/license.html | |
9 | ||
10 | #ifndef BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP | |
11 | #define BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP | |
12 | ||
13 | #include <boost/geometry/algorithms/validity_failure_type.hpp> | |
14 | ||
15 | ||
16 | namespace boost { namespace geometry | |
17 | { | |
18 | ||
19 | ||
20 | template <bool AllowDuplicates = true, bool AllowSpikes = true> | |
21 | class is_valid_default_policy | |
22 | { | |
23 | protected: | |
24 | static inline bool is_valid(validity_failure_type failure) | |
25 | { | |
26 | return failure == no_failure | |
27 | || (AllowDuplicates && failure == failure_duplicate_points); | |
28 | } | |
29 | ||
30 | static inline bool is_valid(validity_failure_type failure, bool is_linear) | |
31 | { | |
32 | return is_valid(failure) | |
33 | || (is_linear && AllowSpikes && failure == failure_spikes); | |
34 | } | |
35 | ||
36 | public: | |
37 | template <validity_failure_type Failure> | |
38 | static inline bool apply() | |
39 | { | |
40 | return is_valid(Failure); | |
41 | } | |
42 | ||
43 | template <validity_failure_type Failure, typename Data> | |
44 | static inline bool apply(Data const&) | |
45 | { | |
46 | return is_valid(Failure); | |
47 | } | |
48 | ||
49 | template <validity_failure_type Failure, typename Data1, typename Data2> | |
50 | static inline bool apply(Data1 const& data1, Data2 const&) | |
51 | { | |
52 | return is_valid(Failure, data1); | |
53 | } | |
54 | }; | |
55 | ||
56 | ||
57 | }} // namespace boost::geometry | |
58 | ||
59 | #endif // BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP |