#pragma once

#include "tagged_mask.h"

#include "commit.h"

namespace git

{

struct Repository;

namespace revwalker {

namespace sorting

{

typedef tagged_mask_t<struct tag> type;

extern const type none;

extern const type topological;

extern const type time;

extern const type reverse;

}}

struct RevWalker

{

RevWalker(git_revwalk * walker, Repository const & repo)

: walker_(walker)

, repo_(&repo)

{}

~RevWalker();

void sort(revwalker::sorting::type);

void simplify_first_parent();

void push_head() const;

void hide(git_oid const &) const;

void push(git_oid const &) const;

Commit next() const;

bool next(char * id_buffer) const;

RevWalker (RevWalker const &) = delete;

RevWalker& operator = (RevWalker const &) = delete;

RevWalker(RevWalker && other)

: walker_(other.walker_)

, repo_(other.repo_)

{

other.walker_ = nullptr;

}

RevWalker& operator = (RevWalker && other)

{

walker_ = other.walker_;

repo_ = other.repo_;

other.walker_ = nullptr;

return *this;

}

private:

git_revwalk * walker_;

Repository const * repo_;

};

}