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Commit | Line | Data |
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6eb8ae00 DB |
1 | #ifndef OBJECT_H |
2 | #define OBJECT_H | |
3 | ||
4 | struct object_list { | |
5 | struct object *item; | |
6 | struct object_list *next; | |
9ce43d1c | 7 | const char *name; |
6eb8ae00 DB |
8 | }; |
9 | ||
27dedf0c JH |
10 | struct object_refs { |
11 | unsigned count; | |
3e4339e6 | 12 | struct object *base; |
8f1d2e6f | 13 | struct object *ref[FLEX_ARRAY]; /* more */ |
27dedf0c JH |
14 | }; |
15 | ||
885a86ab LT |
16 | #define TYPE_BITS 3 |
17 | #define FLAG_BITS 27 | |
18 | ||
19 | #define TYPE_NONE 0 | |
20 | #define TYPE_BLOB 1 | |
21 | #define TYPE_TREE 2 | |
22 | #define TYPE_COMMIT 3 | |
23 | #define TYPE_TAG 4 | |
24 | #define TYPE_BAD 5 | |
25 | ||
6eb8ae00 DB |
26 | struct object { |
27 | unsigned parsed : 1; | |
28 | unsigned used : 1; | |
885a86ab LT |
29 | unsigned type : TYPE_BITS; |
30 | unsigned flags : FLAG_BITS; | |
6eb8ae00 | 31 | unsigned char sha1[20]; |
6eb8ae00 DB |
32 | }; |
33 | ||
8805ccac | 34 | extern int track_object_refs; |
070879ca | 35 | extern int obj_allocs; |
88355048 | 36 | extern struct object **objs; |
885a86ab LT |
37 | extern const char *type_names[]; |
38 | ||
39 | static inline const char *typename(unsigned int type) | |
40 | { | |
41 | return type_names[type > TYPE_TAG ? TYPE_BAD : type]; | |
42 | } | |
6eb8ae00 | 43 | |
3e4339e6 LT |
44 | extern struct object_refs *lookup_object_refs(struct object *); |
45 | ||
89e4202f | 46 | /** Internal only **/ |
5d6ccf5c | 47 | struct object *lookup_object(const unsigned char *sha1); |
6eb8ae00 | 48 | |
89e4202f DB |
49 | /** Returns the object, having looked it up as being the given type. **/ |
50 | struct object *lookup_object_type(const unsigned char *sha1, const char *type); | |
51 | ||
5d6ccf5c | 52 | void created_object(const unsigned char *sha1, struct object *obj); |
6eb8ae00 | 53 | |
e9eefa67 | 54 | /** Returns the object, having parsed it to find out what it is. **/ |
5d6ccf5c | 55 | struct object *parse_object(const unsigned char *sha1); |
e9eefa67 | 56 | |
66e481b0 DB |
57 | /** Returns the object, with potentially excess memory allocated. **/ |
58 | struct object *lookup_unknown_object(const unsigned char *sha1); | |
59 | ||
27dedf0c JH |
60 | struct object_refs *alloc_object_refs(unsigned count); |
61 | void set_object_refs(struct object *obj, struct object_refs *refs); | |
6eb8ae00 DB |
62 | |
63 | void mark_reachable(struct object *obj, unsigned int mask); | |
64 | ||
66e481b0 DB |
65 | struct object_list *object_list_insert(struct object *item, |
66 | struct object_list **list_p); | |
67 | ||
680bab3d DB |
68 | void object_list_append(struct object *item, |
69 | struct object_list **list_p); | |
70 | ||
66e481b0 DB |
71 | unsigned object_list_length(struct object_list *list); |
72 | ||
73 | int object_list_contains(struct object_list *list, struct object *obj); | |
74 | ||
6eb8ae00 | 75 | #endif /* OBJECT_H */ |