#pragma once

#include "commit.h"

#include "tagged_mask.h"

#include <utility>

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)

{}

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;

private:

struct Destroy { void operator() (git_revwalk*) const; };

std::unique_ptr<git_revwalk, Destroy> walker_;

Repository const * repo_;

};

}