Hash :
cee9ca66
Author :
Date :
2017-02-02T12:20:17
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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* 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_idxmap_h__
#define INCLUDE_idxmap_h__
#include <ctype.h>
#include "common.h"
#include "git2/index.h"
#define kmalloc git__malloc
#define kcalloc git__calloc
#define krealloc git__realloc
#define kreallocarray git__reallocarray
#define kfree git__free
#include "khash.h"
__KHASH_TYPE(idx, const git_index_entry *, git_index_entry *)
__KHASH_TYPE(idxicase, const git_index_entry *, git_index_entry *)
typedef khash_t(idx) git_idxmap;
typedef khash_t(idxicase) git_idxmap_icase;
typedef khiter_t git_idxmap_iter;
/* This is __ac_X31_hash_string but with tolower and it takes the entry's stage into account */
static kh_inline khint_t idxentry_hash(const git_index_entry *e)
{
const char *s = e->path;
khint_t h = (khint_t)git__tolower(*s);
if (h) for (++s ; *s; ++s) h = (h << 5) - h + (khint_t)git__tolower(*s);
return h + GIT_IDXENTRY_STAGE(e);
}
#define idxentry_equal(a, b) (GIT_IDXENTRY_STAGE(a) == GIT_IDXENTRY_STAGE(b) && strcmp(a->path, b->path) == 0)
#define idxentry_icase_equal(a, b) (GIT_IDXENTRY_STAGE(a) == GIT_IDXENTRY_STAGE(b) && strcasecmp(a->path, b->path) == 0)
#define GIT__USE_IDXMAP \
__KHASH_IMPL(idx, static kh_inline, const git_index_entry *, git_index_entry *, 1, idxentry_hash, idxentry_equal)
#define GIT__USE_IDXMAP_ICASE \
__KHASH_IMPL(idxicase, static kh_inline, const git_index_entry *, git_index_entry *, 1, idxentry_hash, idxentry_icase_equal)
int git_idxmap_alloc(git_idxmap **map);
int git_idxmap_icase_alloc(git_idxmap_icase **map);
void git_idxmap_insert(git_idxmap *map, const git_index_entry *key, void *value, int *rval);
void git_idxmap_icase_insert(git_idxmap_icase *map, const git_index_entry *key, void *value, int *rval);
size_t git_idxmap_lookup_index(git_idxmap *map, const git_index_entry *key);
size_t git_idxmap_icase_lookup_index(git_idxmap_icase *map, const git_index_entry *key);
void *git_idxmap_value_at(git_idxmap *map, size_t idx);
int git_idxmap_valid_index(git_idxmap *map, size_t idx);
int git_idxmap_has_data(git_idxmap *map, size_t idx);
void git_idxmap_resize(git_idxmap *map, size_t size);
void git_idxmap_icase_resize(git_idxmap_icase *map, size_t size);
#define git_idxmap_free(h) git_idxmap__free(h); (h) = NULL
void git_idxmap__free(git_idxmap *map);
void git_idxmap_clear(git_idxmap *map);
void git_idxmap_delete_at(git_idxmap *map, size_t idx);
void git_idxmap_icase_delete_at(git_idxmap_icase *map, size_t idx);
void git_idxmap_delete(git_idxmap *map, const git_index_entry *key);
void git_idxmap_icase_delete(git_idxmap_icase *map, const git_index_entry *key);
#define git_idxmap_begin kh_begin
#define git_idxmap_end kh_end
#endif