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refactor(bb): use RefArray where possible
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| #pragma once | ||
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| #include <cstddef> | ||
| #include <iterator> | ||
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| #include "ref_array.hpp" | ||
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| namespace bb { | ||
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| template <typename T> class RefSpan { | ||
| public: | ||
| // Default constructor | ||
| RefSpan() | ||
| : storage(nullptr) | ||
| , array_size(0) | ||
| {} | ||
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| template <std::size_t Size> | ||
| RefSpan(const RefArray<T, Size>& ref_array) | ||
| : storage(ref_array.get_storage()) | ||
| , array_size(Size) | ||
| {} | ||
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| // Constructor from an array of pointers and size | ||
| RefSpan(T** ptr_array, std::size_t size) | ||
| : storage(ptr_array) | ||
| , array_size(size) | ||
| {} | ||
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| // Copy constructor | ||
| RefSpan(const RefSpan& other) = default; | ||
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| // Move constructor | ||
| RefSpan(RefSpan&& other) noexcept = default; | ||
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| // Destructor | ||
| ~RefSpan() = default; | ||
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| // Copy assignment operator | ||
| RefSpan& operator=(const RefSpan& other) = default; | ||
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| // Move assignment operator | ||
| RefSpan& operator=(RefSpan&& other) noexcept = default; | ||
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| // Access element at index | ||
| T& operator[](std::size_t idx) const | ||
| { | ||
| // Assuming the caller ensures idx is within bounds. | ||
| return *storage[idx]; | ||
| } | ||
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| // Get size of the RefSpan | ||
| constexpr std::size_t size() const { return array_size; } | ||
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| // Iterator implementation | ||
| class iterator { | ||
| public: | ||
| iterator(T* const* array, std::size_t pos) | ||
| : array(array) | ||
| , pos(pos) | ||
| {} | ||
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| T& operator*() const { return *(array[pos]); } | ||
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| iterator& operator++() | ||
| { | ||
| ++pos; | ||
| return *this; | ||
| } | ||
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| iterator operator++(int) | ||
| { | ||
| iterator temp = *this; | ||
| ++(*this); | ||
| return temp; | ||
| } | ||
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| bool operator==(const iterator& other) const { return pos == other.pos; } | ||
| bool operator!=(const iterator& other) const { return pos != other.pos; } | ||
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| private: | ||
| T* const* array; | ||
| std::size_t pos; | ||
| }; | ||
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| // Begin and end for iterator support | ||
| iterator begin() const { return iterator(storage, 0); } | ||
| iterator end() const { return iterator(storage, array_size); } | ||
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| private: | ||
| T* const* storage; | ||
| std::size_t array_size; | ||
| }; | ||
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| } // namespace bb |
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