55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#pragma once
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#include <ckitty/memory/primitives.hpp>
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namespace ckitty {
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/**
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* @brief Represents a piece of a shared buffer that
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* is not owned by this object.
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*/
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class data_view {
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private:
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const u8* _begin;
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const u8* _end;
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public:
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data_view(const u8* begin, const u8* end)
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: _begin(begin), _end(end) {}
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data_view(const u8* data, const isize length)
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: _begin(data), _end(data + length) {}
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data_view(const std::string& str)
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: _begin((const u8*) str.begin().base()),
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_end((const u8*) str.end().base()) {}
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const u8* begin() const {
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return _begin;
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}
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const u8* end() const {
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return _end;
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}
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u8 operator[](isize i) const {
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return *(_begin + i);
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}
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isize length() const {
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return isize(_end - _begin);
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}
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const data_view sub_off(isize offset, isize length) const {
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return data_view(_begin + offset, _begin + offset + length);
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}
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const data_view sub_abs(isize begin, isize end) const {
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return data_view(_begin + begin, _begin + end);
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}
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};
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} |