6 struct parsed_object_pool
{
7 struct object
**obj_hash
;
8 int nr_objs
, obj_hash_size
;
10 /* TODO: migrate alloc_states to mem-pool? */
11 struct alloc_state
*blob_state
;
12 struct alloc_state
*tree_state
;
13 struct alloc_state
*commit_state
;
14 struct alloc_state
*tag_state
;
15 struct alloc_state
*object_state
;
16 unsigned commit_count
;
18 /* parent substitutions from .git/info/grafts and .git/shallow */
19 struct commit_graft
**grafts
;
20 int grafts_alloc
, grafts_nr
;
23 struct stat_validity
*shallow_stat
;
24 char *alternate_shallow_file
;
26 int commit_graft_prepared
;
28 struct buffer_slab
*buffer_slab
;
31 struct parsed_object_pool
*parsed_object_pool_new(void);
32 void parsed_object_pool_clear(struct parsed_object_pool
*o
);
36 struct object_list
*next
;
42 struct object_array_entry
{
45 * name or NULL. If non-NULL, the memory pointed to
46 * is owned by this object *except* if it points at
47 * object_array_slopbuf, which is a static copy of the
56 #define OBJECT_ARRAY_INIT { 0, 0, NULL }
59 * object flag allocation:
60 * revision.h: 0---------10 26
61 * fetch-pack.c: 0----5
63 * upload-pack.c: 4 11----------------19
64 * builtin/blame.c: 12-13
67 * http-push.c: 16-----19
70 * list-objects-filter.c: 21
71 * builtin/fsck.c: 0--3
72 * builtin/index-pack.c: 2021
73 * builtin/pack-objects.c: 20
74 * builtin/reflog.c: 10--12
75 * builtin/show-branch.c: 0-------------------------------------------26
76 * builtin/unpack-objects.c: 2021
81 * The object type is stored in 3 bits.
85 unsigned type
: TYPE_BITS
;
86 unsigned flags
: FLAG_BITS
;
90 extern const char *type_name(unsigned int type
);
91 extern int type_from_string_gently(const char *str
, ssize_t
, int gentle
);
92 #define type_from_string(str) type_from_string_gently(str, -1, 0)
95 * Return the current number of buckets in the object hashmap.
97 extern unsigned int get_max_object_index(void);
100 * Return the object from the specified bucket in the object hashmap.
102 extern struct object
*get_indexed_object(unsigned int);
105 * This can be used to see if we have heard of the object before, but
106 * it can return "yes we have, and here is a half-initialised object"
107 * for an object that we haven't loaded/parsed yet.
109 * When parsing a commit to create an in-core commit object, its
110 * parents list holds commit objects that represent its parents, but
111 * they are expected to be lazily initialized and do not know what
112 * their trees or parents are yet. When this function returns such a
113 * half-initialised objects, the caller is expected to initialize them
114 * by calling parse_object() on them.
116 struct object
*lookup_object(struct repository
*r
, const unsigned char *sha1
);
118 extern void *create_object(struct repository
*r
, const unsigned char *sha1
, void *obj
);
120 void *object_as_type(struct repository
*r
, struct object
*obj
, enum object_type type
, int quiet
);
123 * Returns the object, having parsed it to find out what it is.
125 * Returns NULL if the object is missing or corrupt.
127 struct object
*parse_object(struct repository
*r
, const struct object_id
*oid
);
130 * Like parse_object, but will die() instead of returning NULL. If the
131 * "name" parameter is not NULL, it is included in the error message
132 * (otherwise, the hex object ID is given).
134 struct object
*parse_object_or_die(const struct object_id
*oid
, const char *name
);
136 /* Given the result of read_sha1_file(), returns the object after
137 * parsing it. eaten_p indicates if the object has a borrowed copy
138 * of buffer and the caller should not free() it.
140 struct object
*parse_object_buffer(struct repository
*r
, const struct object_id
*oid
, enum object_type type
, unsigned long size
, void *buffer
, int *eaten_p
);
142 /** Returns the object, with potentially excess memory allocated. **/
143 struct object
*lookup_unknown_object(const unsigned char *sha1
);
145 struct object_list
*object_list_insert(struct object
*item
,
146 struct object_list
**list_p
);
148 int object_list_contains(struct object_list
*list
, struct object
*obj
);
150 /* Object array handling .. */
151 void add_object_array(struct object
*obj
, const char *name
, struct object_array
*array
);
152 void add_object_array_with_path(struct object
*obj
, const char *name
, struct object_array
*array
, unsigned mode
, const char *path
);
155 * Returns NULL if the array is empty. Otherwise, returns the last object
156 * after removing its entry from the array. Other resources associated
157 * with that object are left in an unspecified state and should not be
160 struct object
*object_array_pop(struct object_array
*array
);
162 typedef int (*object_array_each_func_t
)(struct object_array_entry
*, void *);
165 * Apply want to each entry in array, retaining only the entries for
166 * which the function returns true. Preserve the order of the entries
169 void object_array_filter(struct object_array
*array
,
170 object_array_each_func_t want
, void *cb_data
);
173 * Remove from array all but the first entry with a given name.
174 * Warning: this function uses an O(N^2) algorithm.
176 void object_array_remove_duplicates(struct object_array
*array
);
179 * Remove any objects from the array, freeing all used memory; afterwards
180 * the array is ready to store more objects with add_object_array().
182 void object_array_clear(struct object_array
*array
);
184 void clear_object_flags(unsigned flags
);
187 * Clear the specified object flags from all in-core commit objects.
189 extern void clear_commit_marks_all(unsigned int flags
);
191 #endif /* OBJECT_H */