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relate() implemented support for complex static masks as a MPL sequences

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This commit is contained in:
Adam Wulkiewicz
2014-03-10 03:02:11 +01:00
parent 5f0ab7962f
commit 4987e8d13d
1 changed files with 113 additions and 4 deletions
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117
include/boost/geometry/algorithms/detail/relate/result.hpp
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@@ -395,8 +395,8 @@ struct static_should_handle_element
|| ( mask_el >= '0' && mask_el <= '9' );
};
template <typename StaticMask, char V, field F1, field F2>
struct static_interrupt
template <typename StaticMask, char V, field F1, field F2, bool IsNotSequence>
struct static_interrupt_dispatch
{
static const char mask_el = StaticMask::template get<F1, F2>::value;
@@ -406,8 +406,58 @@ struct static_interrupt
( ( V == 'T' ) ? mask_el == 'F' : false );
};
template <typename StaticMask>
struct static_check
template <typename First, typename Last, char V, field F1, field F2>
struct static_interrupt_sequence
{
typedef typename boost::mpl::deref<First>::type StaticMask;
static const bool value
= static_interrupt_dispatch
<
StaticMask,
V, F1, F2,
!boost::mpl::is_sequence<StaticMask>::value
>::value
&& static_interrupt_sequence
<
typename boost::mpl::next<First>::type,
Last,
V, F1, F2
>::value;
};
template <typename Last, char V, field F1, field F2>
struct static_interrupt_sequence<Last, Last, V, F1, F2>
{
static const bool value = true;
};
template <typename StaticMask, char V, field F1, field F2>
struct static_interrupt_dispatch<StaticMask, V, F1, F2, false>
{
static const bool value
= static_interrupt_sequence
<
typename boost::mpl::begin<StaticMask>::type,
typename boost::mpl::end<StaticMask>::type,
V, F1, F2
>::value;
};
template <typename StaticMask, char V, field F1, field F2>
struct static_interrupt
{
static const bool value
= static_interrupt_dispatch
<
StaticMask,
V, F1, F2,
!boost::mpl::is_sequence<StaticMask>::value
>::value;
};
template <typename StaticMask, bool IsNotSequence>
struct static_check_dispatch
{
template <typename Matrix>
static inline bool apply(Matrix const& matrix)
@@ -463,6 +513,65 @@ struct static_check
};
};
template <typename First, typename Last>
struct static_check_sequence
{
typedef typename boost::mpl::deref<First>::type StaticMask;
template <typename Matrix>
static inline bool apply(Matrix const& matrix)
{
return static_check_dispatch
<
StaticMask,
!boost::mpl::is_sequence<StaticMask>::value
>::apply(matrix)
|| static_check_sequence
<
typename boost::mpl::next<First>::type,
Last
>::apply(matrix);
}
};
template <typename Last>
struct static_check_sequence<Last, Last>
{
template <typename Matrix>
static inline bool apply(Matrix const& matrix)
{
return false;
}
};
template <typename StaticMask>
struct static_check_dispatch<StaticMask, false>
{
template <typename Matrix>
static inline bool apply(Matrix const& matrix)
{
return static_check_sequence
<
typename boost::mpl::begin<StaticMask>::type,
typename boost::mpl::end<StaticMask>::type
>::apply(matrix);
}
};
template <typename StaticMask>
struct static_check
{
template <typename Matrix>
static inline bool apply(Matrix const& matrix)
{
return static_check_dispatch
<
StaticMask,
!boost::mpl::is_sequence<StaticMask>::value
>::apply(matrix);
}
};
template <typename StaticMask, bool Interrupt>
class static_mask_handler
: private matrix<3>