X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=object.h;h=733faac4ccd1c9a8bb4ed1fc67986b369d9442b3;hb=72303d44e9d8f3fc9bef039b472a2bd259509420;hp=6accda33d8c8d6b8ef33a4df50bf350d9f088dc6;hpb=c1067050ce58b5b39f528fe634732da858664603;p=git.git

diff --git a/object.h b/object.h
index 6accda33d..733faac4c 100644
--- a/object.h
+++ b/object.h
@@ -4,22 +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 track_object_refs;
-extern int nr_objs;
-extern struct object **objs;
+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);
@@ -35,7 +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);
 
@@ -49,4 +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 */