diff options
Diffstat (limited to 'object.h')
| -rw-r--r-- | object.h | 88 |
1 files changed, 72 insertions, 16 deletions
@@ -6,22 +6,39 @@ struct object_list { struct object_list *next; }; -struct object_refs { - unsigned count; - 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; + /* + * name or NULL. If non-NULL, the memory pointed to + * is owned by this object *except* if it points at + * object_array_slopbuf, which is a static copy of the + * empty string. + */ + char *name; + char *path; unsigned mode; } *objects; }; +#define OBJECT_ARRAY_INIT { 0, 0, NULL } + #define TYPE_BITS 3 +/* + * object flag allocation: + * revision.h: 0---------10 26 + * fetch-pack.c: 0---4 + * walker.c: 0-2 + * upload-pack.c: 11----------------19 + * builtin/blame.c: 12-13 + * bisect.c: 16 + * bundle.c: 16 + * http-push.c: 16-----19 + * commit.c: 16-----19 + * sha1_name.c: 20 + */ #define FLAG_BITS 27 /* @@ -36,9 +53,17 @@ struct object { }; extern const char *typename(unsigned int type); -extern int type_from_string(const char *str); +extern int type_from_string_gently(const char *str, ssize_t, int gentle); +#define type_from_string(str) type_from_string_gently(str, -1, 0) +/* + * Return the current number of buckets in the object hashmap. + */ extern unsigned int get_max_object_index(void); + +/* + * Return the object from the specified bucket in the object hashmap. + */ extern struct object *get_indexed_object(unsigned int); /* @@ -55,11 +80,24 @@ extern struct object *get_indexed_object(unsigned int); */ struct object *lookup_object(const unsigned char *sha1); -extern void *create_object(const unsigned char *sha1, int type, void *obj); +extern void *create_object(const unsigned char *sha1, void *obj); -/** Returns the object, having parsed it to find out what it is. **/ +void *object_as_type(struct object *obj, enum object_type type, int quiet); + +/* + * Returns the object, having parsed it to find out what it is. + * + * Returns NULL if the object is missing or corrupt. + */ struct object *parse_object(const unsigned char *sha1); +/* + * Like parse_object, but will die() instead of returning NULL. If the + * "name" parameter is not NULL, it is included in the error message + * (otherwise, the sha1 hex is given). + */ +struct object *parse_object_or_die(const unsigned char *sha1, const char *name); + /* Given the result of read_sha1_file(), returns the object after * parsing it. eaten_p indicates if the object has a borrowed copy * of buffer and the caller should not free() it. @@ -72,16 +110,34 @@ struct object *lookup_unknown_object(const unsigned char *sha1); struct object_list *object_list_insert(struct object *item, struct object_list **list_p); -void object_list_append(struct object *item, - struct object_list **list_p); - -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); -void add_object_array_with_mode(struct object *obj, const char *name, struct object_array *array, unsigned mode); -void object_array_remove_duplicates(struct object_array *); +void add_object_array_with_path(struct object *obj, const char *name, struct object_array *array, unsigned mode, const char *path); + +typedef int (*object_array_each_func_t)(struct object_array_entry *, void *); + +/* + * Apply want to each entry in array, retaining only the entries for + * which the function returns true. Preserve the order of the entries + * that are retained. + */ +void object_array_filter(struct object_array *array, + object_array_each_func_t want, void *cb_data); + +/* + * Remove from array all but the first entry with a given name. + * Warning: this function uses an O(N^2) algorithm. + */ +void object_array_remove_duplicates(struct object_array *array); + +/* + * Remove any objects from the array, freeing all used memory; afterwards + * the array is ready to store more objects with add_object_array(). + */ +void object_array_clear(struct object_array *array); + +void clear_object_flags(unsigned flags); #endif /* OBJECT_H */ |