26namespace seqan3::detail
38class constexpr_pseudo_bitset :
public std::array<bool, N>
49 constexpr constexpr_pseudo_bitset
operator|(constexpr_pseudo_bitset rhs)
const noexcept
51 for (
size_t i = 0; i < N; ++i)
52 rhs[i] = rhs[i] || base_t::operator[](i);
57 constexpr constexpr_pseudo_bitset operator~() const noexcept
59 constexpr_pseudo_bitset ret{};
60 for (
size_t i = 0; i < N; ++i)
61 ret[i] = !base_t::operator[](i);
79template <
char op,
typename condition_head_t,
typename... condition_ts>
90template <
typename condition_t>
91struct char_predicate_base;
104template <
typename condition_t>
105concept char_predicate =
requires {
106 requires std::predicate<std::remove_reference_t<condition_t>,
char>;
107 requires std::is_base_of_v<char_predicate_base<std::remove_cvref_t<condition_t>>,
144template <char_predicate... condition_ts>
145 requires (
sizeof...(condition_ts) >= 2)
146struct char_predicate_disjunction;
148template <
char_predicate condition_t>
149struct char_predicate_negator;
158template <
typename derived_t>
159struct char_predicate_base
162 using data_t = constexpr_pseudo_bitset<257>;
169 template <
char_predicate rhs_t>
170 constexpr auto operator||(rhs_t
const &)
const
172 return char_predicate_disjunction<derived_t, rhs_t>{};
176 constexpr auto operator!()
const
178 return char_predicate_negator<derived_t>{};
186 template <std::
integral value_t>
187 constexpr bool operator()(value_t
const val)
const noexcept
188 requires (
sizeof(value_t) == 1)
190 return derived_t::data[
static_cast<unsigned char>(val)];
194 template <std::
integral value_t>
195 constexpr bool operator()(value_t
const val)
const noexcept
196 requires (
sizeof(value_t) != 1)
211 static_assert(!std::same_as<char_value_t, void>,
"There is no valid character representation.");
214 : (char_trait::eq_int_type(val, char_trait::eof())) ? derived_t::data[256]
225 return derived_t::msg;
240template <char_predicate... condition_ts>
241 requires (
sizeof...(condition_ts) >= 2)
242struct char_predicate_disjunction :
public char_predicate_base<char_predicate_disjunction<condition_ts...>>
245 static inline const std::string msg = detail::condition_message_v<
'|', condition_ts...>;
248 using base_t = char_predicate_base<char_predicate_disjunction<condition_ts...>>;
251 using typename base_t::data_t;
253 static constexpr data_t
data = (condition_ts::data | ...);
262template <
char_predicate condition_t>
263struct char_predicate_negator :
public char_predicate_base<char_predicate_negator<condition_t>>
269 using base_t = char_predicate_base<char_predicate_negator<condition_t>>;
272 using typename base_t::data_t;
274 static constexpr data_t
data = ~condition_t::data;
289template <u
int8_t
interval_first, u
int8_t
interval_last>
290 requires (interval_first <= interval_last)
291struct is_in_interval_type : public char_predicate_base<is_in_interval_type<interval_first, interval_last>>
298 using base_t = char_predicate_base<is_in_interval_type<interval_first, interval_last>>;
301 using typename base_t::data_t;
303 static constexpr data_t
data = []()
constexpr
307 for (
size_t i = interval_first; i <= static_cast<size_t>(interval_last); ++i)
324struct is_char_type :
public char_predicate_base<is_char_type<char_v>>
326 static_assert(char_v == EOF ||
static_cast<uint64_t
>(char_v) < 256,
"TODO");
333 using base_t = char_predicate_base<is_char_type<char_v>>;
336 using typename base_t::data_t;
338 static constexpr data_t
data = []()
constexpr
345 ret[
static_cast<uint8_t
>(char_v)] =
true;
Provides various type traits on generic types.
auto operator|(validator1_type &&vali1, validator2_type &&vali2)
Enables the chaining of validators.
Definition validators.hpp:1124
Provides traits to inspect some information of a type, for example its name.
Provides concepts that do not have equivalents in C++20.