X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=object.h;h=733faac4ccd1c9a8bb4ed1fc67986b369d9442b3;hb=0881d2d1303a067a02e3811d43a1aed04a47945e;hp=bf744490a9a75c5e84af6384b2fa2bc4eb492452;hpb=680bab3d9a33029be38590681832ae9b6d74ad60;p=git.git diff --git a/object.h b/object.h index bf744490a..733faac4c 100644 --- a/object.h +++ b/object.h @@ -4,21 +4,60 @@ struct object_list { struct object *item; struct object_list *next; - const char *name; +}; + +struct object_refs { + unsigned count; + struct object *base; + struct object *ref[FLEX_ARRAY]; /* more */ +}; + +struct object_array { + unsigned int nr; + unsigned int alloc; + struct object_array_entry { + struct object *item; + const char *name; + } *objects; +}; + +#define TYPE_BITS 3 +#define FLAG_BITS 27 + +/* + * The object type is stored in 3 bits. + */ +enum object_type { + OBJ_NONE = 0, + OBJ_COMMIT = 1, + OBJ_TREE = 2, + OBJ_BLOB = 3, + OBJ_TAG = 4, + /* 5/6 for future expansion */ + OBJ_DELTA = 7, + OBJ_BAD, }; struct object { unsigned parsed : 1; unsigned used : 1; - unsigned int flags; + unsigned type : TYPE_BITS; + unsigned flags : FLAG_BITS; unsigned char sha1[20]; - const char *type; - struct object_list *refs; - void *util; }; -extern int nr_objs; -extern struct object **objs; +extern int track_object_refs; +extern const char *type_names[9]; + +extern unsigned int get_max_object_index(void); +extern struct object *get_indexed_object(unsigned int); + +static inline const char *typename(unsigned int type) +{ + return type_names[type > OBJ_BAD ? OBJ_BAD : type]; +} + +extern struct object_refs *lookup_object_refs(struct object *); /** Internal only **/ struct object *lookup_object(const unsigned char *sha1); @@ -34,7 +73,8 @@ struct object *parse_object(const unsigned char *sha1); /** Returns the object, with potentially excess memory allocated. **/ struct object *lookup_unknown_object(const unsigned char *sha1); -void add_ref(struct object *refer, struct object *target); +struct object_refs *alloc_object_refs(unsigned count); +void set_object_refs(struct object *obj, struct object_refs *refs); void mark_reachable(struct object *obj, unsigned int mask); @@ -48,4 +88,7 @@ unsigned object_list_length(struct object_list *list); int object_list_contains(struct object_list *list, struct object *obj); +/* Object array handling .. */ +void add_object_array(struct object *obj, const char *name, struct object_array *array); + #endif /* OBJECT_H */