#pragma once

#include <functional>

extern "C"

{

#include <git2/diff.h>

}

namespace git

{

struct DiffList

{

size_t deltas_num() const;

typedef std::function<int ( git_diff_delta const *

, git_diff_range const *

, char usage

, const char * line

, size_t line_len

) > data_callback_t;

void print_patch (data_callback_t cb) const;

void print_compact (data_callback_t cb) const;

void print_raw (data_callback_t cb) const;

void find_similar(git_diff_find_options & findopts)

{

git_diff_find_similar(diff_list_, &findopts);

}

DiffList& merge(DiffList const & other);

explicit DiffList(git_diff_list * diff_list)

: diff_list_(diff_list)

{}

~DiffList() { git_diff_list_free(diff_list_); }

DiffList (DiffList const &) = delete;

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

DiffList(DiffList && other)

: diff_list_(other.diff_list_)

{

other.diff_list_ = nullptr;

}

private:

git_diff_list * diff_list_;

};

struct Tree;

DiffList diff ( git_repository * repo

, Tree & a, Tree & b

, git_diff_options const & opts

);

DiffList diff_to_index ( git_repository * repo

, Tree &

, git_diff_options const & opts

);

DiffList diff_index_to_workdir(git_repository * repo, git_diff_options const & opts);

}