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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_iterator_h__
#define INCLUDE_iterator_h__
#include "common.h"
#include "git2/index.h"
typedef struct git_iterator git_iterator;
typedef enum {
GIT_ITERATOR_TREE = 1,
GIT_ITERATOR_INDEX = 2,
GIT_ITERATOR_WORKDIR = 3
} git_iterator_type_t;
struct git_iterator {
git_iterator_type_t type;
int (*current)(git_iterator *, const git_index_entry **);
int (*at_end)(git_iterator *);
int (*advance)(git_iterator *);
void (*free)(git_iterator *);
};
int git_iterator_for_tree(
git_repository *repo, git_tree *tree, git_iterator **iter);
int git_iterator_for_index(
git_repository *repo, git_iterator **iter);
int git_iterator_for_workdir(
git_repository *repo, git_iterator **iter);
/* Entry is not guaranteed to be fully populated. For a tree iterator,
* we will only populate the mode, oid and path, for example. For a workdir
* iterator, we will not populate the oid.
*
* You do not need to free the entry. It is still "owned" by the iterator.
* Once you call `git_iterator_advance`, then content of the old entry is
* no longer guaranteed to be valid.
*/
GIT_INLINE(int) git_iterator_current(
git_iterator *iter, const git_index_entry **entry)
{
return iter->current(iter, entry);
}
GIT_INLINE(int) git_iterator_at_end(git_iterator *iter)
{
return iter->at_end(iter);
}
GIT_INLINE(int) git_iterator_advance(git_iterator *iter)
{
return iter->advance(iter);
}
GIT_INLINE(void) git_iterator_free(git_iterator *iter)
{
iter->free(iter);
git__free(iter);
}
GIT_INLINE(git_iterator_type_t) git_iterator_type(git_iterator *iter)
{
return iter->type;
}
extern int git_iterator_current_tree_entry(
git_iterator *iter, const git_tree_entry **tree_entry);
extern int git_iterator_current_is_ignored(git_iterator *iter);
/**
* Iterate into an ignored workdir directory.
*
* When a workdir iterator encounters a directory that is ignored, it will
* just return a current entry for the directory with is_ignored returning
* true. If you are iterating over the index or a tree in parallel and a
* file in the ignored directory has been added to the index/tree already,
* then it may be necessary to iterate into the directory even though it is
* ignored. Call this function to do that.
*
* Note that if the tracked file in the ignored directory has been deleted,
* this may end up acting like a full "advance" call and advance past the
* directory completely. You must handle that case.
*/
extern int git_iterator_advance_into_ignored_directory(git_iterator *iter);
#endif
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