prime/include/rstl/red_black_tree.hpp

60 lines
1.1 KiB
C++

#ifndef _RSTL_RED_BLACK_TREE
#define _RSTL_RED_BLACK_TREE
#include "types.h"
#include "rstl/rmemory_allocator.hpp"
namespace rstl {
template < typename P >
struct select1st {};
template < typename T >
struct less {};
enum node_color {
kNC_Red,
kNC_Black,
};
template < typename T, typename P, int U, typename S = select1st< P >, typename Cmp = less< T >,
typename Alloc = rmemory_allocator >
class red_black_tree {
private:
struct node {
node_color mColor;
node* mParent;
node* mLeft;
node* mRight;
P mValue;
P& get_value() { return mValue; }
};
struct header {};
public:
struct const_iterator {
node* mNode;
const header* mHeader;
const P* operator->() const { return &mNode->get_value(); }
bool operator==(const const_iterator& other) const {
return mNode == other.mNode && mHeader == other.mHeader;
}
bool operator!=(const const_iterator& other) const {
return !(*this == other); // mNode != other.mNode || mHeader != other.mHeader;
}
};
private:
u8 x0_;
u8 x1_;
uint x4_;
uint x8_;
uint xc_;
uint x10_;
};
}; // namespace rstl
#endif // _RSTL_RED_BLACK_TREE