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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2024 Man Group Operations Limited | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #pragma once | ||
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| #include "sparrow/layout/array_trivial_copyable.hpp" | ||
| #include "sparrow/layout/temporal/time_types.hpp" | ||
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| // tts : std::chrono::seconds | ||
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| namespace sparrow | ||
| { | ||
| using time_types_t = mpl:: | ||
| typelist<chrono::time_seconds, chrono::time_milliseconds, chrono::time_microseconds, chrono::time_nanoseconds>; | ||
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| static constexpr time_types_t time_types; | ||
| template <typename T> | ||
| concept time_type = mpl::contains<T>(time_types); | ||
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| /** | ||
| * Array of time values. | ||
| * | ||
| * As the other arrays in sparrow, \c time_array<T> provides an API as if it was holding | ||
| * \c nullable<T> values instead of \c T values. | ||
| * | ||
| * Internally, the array contains a validity bitmap and a contiguous memory buffer | ||
| * holding the values. | ||
| * | ||
| * @tparam T the type of the values in the array. | ||
| * @see https://arrow.apache.org/docs/dev/format/Columnar.html#fixed-size-primitive-layout | ||
| */ | ||
| template <time_type T> | ||
| using time_array = array_trivial_copyable<T>; | ||
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| using time_seconds_array = time_array<chrono::time_seconds>; | ||
| using time_milliseconds_array = time_array<chrono::time_milliseconds>; | ||
| using time_microseconds_array = time_array<chrono::time_microseconds>; | ||
| using time_nanoseconds_array = time_array<chrono::time_nanoseconds>; | ||
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| template <class T> | ||
| struct is_time_array : std::false_type | ||
| { | ||
| }; | ||
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| template <class T> | ||
| struct is_time_array<time_array<T>> : std::true_type | ||
| { | ||
| }; | ||
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| /** | ||
| * Checks whether T is a time_array type. | ||
| */ | ||
| template <class T> | ||
| constexpr bool is_time_array_v = is_time_array<T>::value; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| // Copyright 2024 Man Group Operations Limited | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #pragma once | ||
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| #include <chrono> | ||
| #include <cstdint> | ||
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| #if defined(__cpp_lib_format) | ||
| # include <format> | ||
| #endif | ||
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| namespace sparrow::chrono | ||
| { | ||
| /** | ||
| * A duration representing time elapsed since midnight. | ||
| */ | ||
| struct time_seconds : public std::chrono::duration<int32_t> | ||
| { | ||
| time_seconds() = default; | ||
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| explicit time_seconds(int32_t seconds) | ||
| : std::chrono::duration<int32_t>(seconds) | ||
| { | ||
| } | ||
| }; | ||
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| /** | ||
| * A duration representing time elapsed since midnight, in milliseconds. | ||
| */ | ||
| struct time_milliseconds : public std::chrono::duration<int32_t, std::milli> | ||
| { | ||
| time_milliseconds() = default; | ||
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| explicit time_milliseconds(int32_t milliseconds) | ||
| : std::chrono::duration<int32_t, std::milli>(milliseconds) | ||
| { | ||
| } | ||
| }; | ||
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| /** | ||
| * A duration representing time elapsed since midnight, in microseconds. | ||
| */ | ||
| struct time_microseconds : public std::chrono::duration<int64_t, std::micro> | ||
| { | ||
| time_microseconds() = default; | ||
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| explicit time_microseconds(int64_t microseconds) | ||
| : std::chrono::duration<int64_t, std::micro>(microseconds) | ||
| { | ||
| } | ||
| }; | ||
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| /** | ||
| * A duration representing time elapsed since midnight, in nanoseconds. | ||
| */ | ||
| struct time_nanoseconds : public std::chrono::duration<int64_t, std::nano> | ||
| { | ||
| time_nanoseconds() = default; | ||
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| explicit time_nanoseconds(int64_t nanoseconds) | ||
| : std::chrono::duration<int64_t, std::nano>(nanoseconds) | ||
| { | ||
| } | ||
| }; | ||
| } | ||
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| #if defined(__cpp_lib_format) | ||
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| template <typename T> | ||
| requires std::same_as<T, sparrow::chrono::time_seconds> | ||
| || std::same_as<T, sparrow::chrono::time_milliseconds> | ||
| || std::same_as<T, sparrow::chrono::time_microseconds> | ||
| || std::same_as<T, sparrow::chrono::time_nanoseconds> | ||
| struct std::formatter<T> | ||
| { | ||
| constexpr auto parse(std::format_parse_context& ctx) | ||
| { | ||
| return ctx.begin(); // Simple implementation | ||
| } | ||
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| auto format(const T& time, std::format_context& ctx) const | ||
| { | ||
| return std::format_to(ctx.out(), "{}", time.count()); | ||
| } | ||
| }; | ||
|
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| #endif |
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