| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // SPDX-FileCopyrightText: 2022-2023 Dennis Gläser <dennis.glaeser@iws.uni-stuttgart.de> | ||
| 2 | // SPDX-License-Identifier: MIT | ||
| 3 | /*! | ||
| 4 | * \file | ||
| 5 | * \ingroup Common | ||
| 6 | * \copydoc GridFormat::BufferField | ||
| 7 | */ | ||
| 8 | #ifndef GRIDFORMAT_COMMON_BUFFER_FIELD_HPP_ | ||
| 9 | #define GRIDFORMAT_COMMON_BUFFER_FIELD_HPP_ | ||
| 10 | |||
| 11 | #include <ranges> | ||
| 12 | #include <utility> | ||
| 13 | |||
| 14 | #include <gridformat/common/field.hpp> | ||
| 15 | #include <gridformat/common/md_layout.hpp> | ||
| 16 | #include <gridformat/common/precision.hpp> | ||
| 17 | #include <gridformat/common/serialization.hpp> | ||
| 18 | #include <gridformat/common/exceptions.hpp> | ||
| 19 | #include <gridformat/common/concepts.hpp> | ||
| 20 | |||
| 21 | namespace GridFormat { | ||
| 22 | |||
| 23 | //! Field implementation around a flat buffer and corresponding layout | ||
| 24 | template<Concepts::Scalar T> | ||
| 25 | class BufferField : public Field { | ||
| 26 | public: | ||
| 27 | template<Concepts::MDRange<1> R> | ||
| 28 | requires(Concepts::Scalar<std::ranges::range_value_t<R>>) | ||
| 29 | 17917 | explicit BufferField(R&& data, MDLayout&& layout) | |
| 30 |
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17917 | : _serialization(layout.number_of_entries()*sizeof(T)) |
| 31 |
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17917 | , _md_layout{std::move(layout)}, |
| 32 |
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35834 | _span{_serialization.template as_span_of<T>()} { |
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17917 | if (data.size() != _md_layout.number_of_entries()) |
| 34 |
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1 | throw SizeError("Given buffer size does not match layout"); |
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17916 | std::ranges::move(std::move(data), _serialization.as_span_of<T>().data()); |
| 36 | 17919 | } | |
| 37 | |||
| 38 | std::size_t number_of_entries() const { | ||
| 39 | return _span.size(); | ||
| 40 | } | ||
| 41 | |||
| 42 | private: | ||
| 43 | 40784 | MDLayout _layout() const { | |
| 44 | 40784 | return _md_layout; | |
| 45 | } | ||
| 46 | |||
| 47 | 39568 | DynamicPrecision _precision() const { | |
| 48 | 39568 | return {Precision<T>{}}; | |
| 49 | } | ||
| 50 | |||
| 51 | 12213 | Serialization _serialized() const { | |
| 52 | 12213 | return _serialization; | |
| 53 | } | ||
| 54 | |||
| 55 | Serialization _serialization; | ||
| 56 | MDLayout _md_layout; | ||
| 57 | std::span<T> _span; | ||
| 58 | }; | ||
| 59 | |||
| 60 | template<Concepts::MDRange<1> R> | ||
| 61 | requires(Concepts::Scalar<std::ranges::range_value_t<R>>) | ||
| 62 | BufferField(R&&, MDLayout&&) -> BufferField<std::ranges::range_value_t<R>>; | ||
| 63 | |||
| 64 | } // namespace GridFormat | ||
| 65 | |||
| 66 | #endif // GRIDFORMAT_COMMON_BUFFER_FIELD_HPP_ | ||
| 67 |