/* * 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) #define git_idxmap_alloc(hp) \ ((*(hp) = kh_init(idx)) == NULL) ? giterr_set_oom(), -1 : 0 #define git_idxmap_icase_alloc(hp) \ ((*(hp) = kh_init(idxicase)) == NULL) ? giterr_set_oom(), -1 : 0 #define git_idxmap_insert(h, key, val, rval) do { \ khiter_t __pos = kh_put(idx, h, key, &rval); \ if (rval >= 0) { \ if (rval == 0) kh_key(h, __pos) = key; \ kh_val(h, __pos) = val; \ } } while (0) #define git_idxmap_icase_insert(h, key, val, rval) do { \ khiter_t __pos = kh_put(idxicase, h, key, &rval); \ if (rval >= 0) { \ if (rval == 0) kh_key(h, __pos) = key; \ kh_val(h, __pos) = val; \ } } while (0) #define git_idxmap_lookup_index(h, k) kh_get(idx, h, k) #define git_idxmap_icase_lookup_index(h, k) kh_get(idxicase, h, k) #define git_idxmap_value_at(h, idx) kh_val(h, idx) #define git_idxmap_valid_index(h, idx) (idx != kh_end(h)) #define git_idxmap_has_data(h, idx) kh_exist(h, idx) #define git_idxmap_resize(h,s) kh_resize(idx, h, s) #define git_idxmap_free(h) kh_destroy(idx, h), h = NULL #define git_idxmap_clear(h) kh_clear(idx, h) #define git_idxmap_delete_at(h, id) kh_del(idx, h, id) #define git_idxmap_icase_delete_at(h, id) kh_del(idxicase, h, id) #define git_idxmap_delete(h, key) do { \ khiter_t __pos = git_idxmap_lookup_index(h, key); \ if (git_idxmap_valid_index(h, __pos)) \ git_idxmap_delete_at(h, __pos); } while (0) #define git_idxmap_icase_delete(h, key) do { \ khiter_t __pos = git_idxmap_icase_lookup_index(h, key); \ if (git_idxmap_valid_index(h, __pos)) \ git_idxmap_icase_delete_at(h, __pos); } while (0) #define git_idxmap_begin kh_begin #define git_idxmap_end kh_end #endif