bsnes/nall/vector/iterator.hpp

54 lines
1.7 KiB
C++

#pragma once
namespace nall {
template<typename T>
struct vector_iterator {
vector_iterator(vector<T>& self, uint offset) : self(self), offset(offset) {}
auto operator*() -> T& { return self.operator[](offset); }
auto operator!=(const vector_iterator& source) const -> bool { return offset != source.offset; }
auto operator++() -> vector_iterator& { return offset++, *this; }
private:
vector<T>& self;
uint offset;
};
template<typename T>
struct vector_iterator_const {
vector_iterator_const(const vector<T>& self, uint offset) : self(self), offset(offset) {}
auto operator*() -> const T& { return self.operator[](offset); }
auto operator!=(const vector_iterator_const& source) const -> bool { return offset != source.offset; }
auto operator++() -> vector_iterator_const& { return offset++, *this; }
private:
const vector<T>& self;
uint offset;
};
template<typename T>
struct vector_iterator_reverse {
vector_iterator_reverse(vector<T>& self, uint offset) : self(self), offset(offset) {}
auto operator*() -> T& { return self.operator[](offset); }
auto operator!=(const vector_iterator_reverse& source) const -> bool { return offset != source.offset; }
auto operator++() -> vector_iterator_reverse& { return offset--, *this; }
private:
vector<T>& self;
uint offset;
};
template<typename T>
struct vector_iterator_reverse_const {
vector_iterator_reverse_const(const vector<T>& self, uint offset) : self(self), offset(offset) {}
auto operator*() -> const T& { return self.operator[](offset); }
auto operator!=(const vector_iterator_reverse_const& source) const -> bool { return offset != source.offset; }
auto operator++() -> vector_iterator_reverse_const& { return offset--, *this; }
private:
const vector<T>& self;
uint offset;
};
}