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136 lines
1.8 KiB
136 lines
1.8 KiB
#pragma once
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#include <stddef.h>
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#include "container.hpp"
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namespace __internals{
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template<typename T>
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T& ref(T& n)
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{
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return n;
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}
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template<class T>
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struct r_op_iterator
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{
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r_op_iterator(T* in):it(in){}
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T* it;
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auto operator++()
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{
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return it--;
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}
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auto operator++(int)
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{
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return --it;
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}
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auto operator--()
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{
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return it--;
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}
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auto operator--(int)
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{
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return --it;
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}
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T& operator*()
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{
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return *it;
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}
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T& operator[](const size_t idx)
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{
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return *(it-idx);
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}
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auto operator==(const r_op_iterator& rhs)
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{
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return it==rhs.it;
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}
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auto operator!=(const r_op_iterator& rhs)
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{
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return it!=rhs.it;
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}
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auto operator<=(const r_op_iterator& rhs)
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{
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return (rhs.it<=it);
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}
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auto operator>=(const r_op_iterator& rhs)
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{
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return (rhs.it>=it);
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}
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auto operator<(const r_op_iterator& rhs)
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{
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return (rhs.it<it);
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}
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auto operator>(const r_op_iterator& rhs)
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{
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return (rhs.it>it);
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}
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};
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}
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namespace ksdk{
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template<typename T>
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class buffer : public typed_container<T>
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{
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protected:
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T* _buffer;
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size_t _size;
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public:
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constexpr buffer(T* b, T* e)
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:_buffer(b)
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,_size(e-b)
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{
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}
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constexpr buffer()
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:_buffer(nullptr)
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,_size(0)
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{
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}
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constexpr buffer(T* b, size_t sz)
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:_buffer(b)
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,_size(sz)
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{
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}
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size_t size()
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{
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return _size;
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}
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T* begin()
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{
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return _buffer;
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}
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T* end()
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{
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return _buffer+_size;
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}
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__internals::r_op_iterator<T> rbegin()
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{
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return __internals::r_op_iterator<T>(_buffer-1+_size);
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}
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__internals::r_op_iterator<T> rend()
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{
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return __internals::r_op_iterator<T>(_buffer-1);
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}
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T& operator[](size_t idx)
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{
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return _buffer[idx];
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}
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bool operator==(buffer<T> oth)
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{
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if(size()!=oth.size())
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return false;
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for(size_t i=0; i<size(); i++)
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if(_buffer[i]!=oth[i])
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return false;
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return true;
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}
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};
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}
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