]>
Commit | Line | Data |
---|---|---|
6eb8ae00 DB |
1 | #ifndef OBJECT_H |
2 | #define OBJECT_H | |
3 | ||
99bf115c SB |
4 | struct parsed_object_pool { |
5 | struct object **obj_hash; | |
6 | int nr_objs, obj_hash_size; | |
14ba97f8 SB |
7 | |
8 | /* TODO: migrate alloc_states to mem-pool? */ | |
9 | struct alloc_state *blob_state; | |
10 | struct alloc_state *tree_state; | |
11 | struct alloc_state *commit_state; | |
12 | struct alloc_state *tag_state; | |
13 | struct alloc_state *object_state; | |
14 | unsigned commit_count; | |
99bf115c SB |
15 | }; |
16 | ||
17 | struct parsed_object_pool *parsed_object_pool_new(void); | |
18 | void parsed_object_pool_clear(struct parsed_object_pool *o); | |
19 | ||
6eb8ae00 DB |
20 | struct object_list { |
21 | struct object *item; | |
22 | struct object_list *next; | |
23 | }; | |
24 | ||
1f1e895f LT |
25 | struct object_array { |
26 | unsigned int nr; | |
27 | unsigned int alloc; | |
28 | struct object_array_entry { | |
29 | struct object *item; | |
31faeb20 MH |
30 | /* |
31 | * name or NULL. If non-NULL, the memory pointed to | |
32 | * is owned by this object *except* if it points at | |
33 | * object_array_slopbuf, which is a static copy of the | |
34 | * empty string. | |
35 | */ | |
36 | char *name; | |
9e0c3c4f | 37 | char *path; |
e5709a4a | 38 | unsigned mode; |
1f1e895f LT |
39 | } *objects; |
40 | }; | |
41 | ||
3cd47459 TF |
42 | #define OBJECT_ARRAY_INIT { 0, 0, NULL } |
43 | ||
208acbfb NTND |
44 | /* |
45 | * object flag allocation: | |
3d1cf1e8 NTND |
46 | * revision.h: 0---------10 26 |
47 | * fetch-pack.c: 0----5 | |
48 | * walker.c: 0-2 | |
49 | * upload-pack.c: 4 11----------------19 | |
50 | * builtin/blame.c: 12-13 | |
51 | * bisect.c: 16 | |
52 | * bundle.c: 16 | |
53 | * http-push.c: 16-----19 | |
54 | * commit.c: 16-----19 | |
e5e5e088 | 55 | * sha1-name.c: 20 |
3d1cf1e8 NTND |
56 | * list-objects-filter.c: 21 |
57 | * builtin/fsck.c: 0--3 | |
58 | * builtin/index-pack.c: 2021 | |
59 | * builtin/pack-objects.c: 20 | |
60 | * builtin/reflog.c: 10--12 | |
44cecbf8 | 61 | * builtin/show-branch.c: 0-------------------------------------------26 |
3d1cf1e8 | 62 | * builtin/unpack-objects.c: 2021 |
208acbfb | 63 | */ |
885a86ab LT |
64 | #define FLAG_BITS 27 |
65 | ||
1974632c LT |
66 | /* |
67 | * The object type is stored in 3 bits. | |
68 | */ | |
6eb8ae00 DB |
69 | struct object { |
70 | unsigned parsed : 1; | |
885a86ab LT |
71 | unsigned type : TYPE_BITS; |
72 | unsigned flags : FLAG_BITS; | |
f2fd0760 | 73 | struct object_id oid; |
6eb8ae00 DB |
74 | }; |
75 | ||
debca9d2 | 76 | extern const char *type_name(unsigned int type); |
fe8e3b71 JS |
77 | extern int type_from_string_gently(const char *str, ssize_t, int gentle); |
78 | #define type_from_string(str) type_from_string_gently(str, -1, 0) | |
885a86ab | 79 | |
33bef7ea MH |
80 | /* |
81 | * Return the current number of buckets in the object hashmap. | |
82 | */ | |
fc046a75 | 83 | extern unsigned int get_max_object_index(void); |
33bef7ea MH |
84 | |
85 | /* | |
86 | * Return the object from the specified bucket in the object hashmap. | |
87 | */ | |
fc046a75 | 88 | extern struct object *get_indexed_object(unsigned int); |
3e4339e6 | 89 | |
628b06d7 JH |
90 | /* |
91 | * This can be used to see if we have heard of the object before, but | |
92 | * it can return "yes we have, and here is a half-initialised object" | |
93 | * for an object that we haven't loaded/parsed yet. | |
94 | * | |
95 | * When parsing a commit to create an in-core commit object, its | |
96 | * parents list holds commit objects that represent its parents, but | |
97 | * they are expected to be lazily initialized and do not know what | |
98 | * their trees or parents are yet. When this function returns such a | |
99 | * half-initialised objects, the caller is expected to initialize them | |
100 | * by calling parse_object() on them. | |
101 | */ | |
5d6ccf5c | 102 | struct object *lookup_object(const unsigned char *sha1); |
6eb8ae00 | 103 | |
341e45e4 | 104 | extern void *create_object(struct repository *r, const unsigned char *sha1, void *obj); |
6eb8ae00 | 105 | |
8ff226a9 JK |
106 | void *object_as_type(struct object *obj, enum object_type type, int quiet); |
107 | ||
75a95490 JK |
108 | /* |
109 | * Returns the object, having parsed it to find out what it is. | |
110 | * | |
111 | * Returns NULL if the object is missing or corrupt. | |
112 | */ | |
c251c83d | 113 | struct object *parse_object(const struct object_id *oid); |
e9eefa67 | 114 | |
75a95490 JK |
115 | /* |
116 | * Like parse_object, but will die() instead of returning NULL. If the | |
117 | * "name" parameter is not NULL, it is included in the error message | |
c251c83d | 118 | * (otherwise, the hex object ID is given). |
75a95490 | 119 | */ |
c251c83d | 120 | struct object *parse_object_or_die(const struct object_id *oid, const char *name); |
75a95490 | 121 | |
9f613ddd JH |
122 | /* Given the result of read_sha1_file(), returns the object after |
123 | * parsing it. eaten_p indicates if the object has a borrowed copy | |
124 | * of buffer and the caller should not free() it. | |
125 | */ | |
c251c83d | 126 | struct object *parse_object_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p); |
9f613ddd | 127 | |
66e481b0 DB |
128 | /** Returns the object, with potentially excess memory allocated. **/ |
129 | struct object *lookup_unknown_object(const unsigned char *sha1); | |
130 | ||
a6080a0a | 131 | struct object_list *object_list_insert(struct object *item, |
66e481b0 DB |
132 | struct object_list **list_p); |
133 | ||
66e481b0 DB |
134 | int object_list_contains(struct object_list *list, struct object *obj); |
135 | ||
1f1e895f LT |
136 | /* Object array handling .. */ |
137 | void add_object_array(struct object *obj, const char *name, struct object_array *array); | |
9e0c3c4f | 138 | void add_object_array_with_path(struct object *obj, const char *name, struct object_array *array, unsigned mode, const char *path); |
aeb4a51e | 139 | |
71992039 MÅ |
140 | /* |
141 | * Returns NULL if the array is empty. Otherwise, returns the last object | |
142 | * after removing its entry from the array. Other resources associated | |
143 | * with that object are left in an unspecified state and should not be | |
144 | * examined. | |
145 | */ | |
146 | struct object *object_array_pop(struct object_array *array); | |
147 | ||
aeb4a51e MH |
148 | typedef int (*object_array_each_func_t)(struct object_array_entry *, void *); |
149 | ||
150 | /* | |
151 | * Apply want to each entry in array, retaining only the entries for | |
152 | * which the function returns true. Preserve the order of the entries | |
153 | * that are retained. | |
154 | */ | |
155 | void object_array_filter(struct object_array *array, | |
156 | object_array_each_func_t want, void *cb_data); | |
157 | ||
1506510c MH |
158 | /* |
159 | * Remove from array all but the first entry with a given name. | |
160 | * Warning: this function uses an O(N^2) algorithm. | |
161 | */ | |
162 | void object_array_remove_duplicates(struct object_array *array); | |
1f1e895f | 163 | |
46be8231 JK |
164 | /* |
165 | * Remove any objects from the array, freeing all used memory; afterwards | |
166 | * the array is ready to store more objects with add_object_array(). | |
167 | */ | |
168 | void object_array_clear(struct object_array *array); | |
169 | ||
bcc0a3ea HV |
170 | void clear_object_flags(unsigned flags); |
171 | ||
4ad315fc RS |
172 | /* |
173 | * Clear the specified object flags from all in-core commit objects. | |
174 | */ | |
175 | extern void clear_commit_marks_all(unsigned int flags); | |
176 | ||
6eb8ae00 | 177 | #endif /* OBJECT_H */ |