#include "object.h"
+#include "blob.h"
+#include "tree.h"
+#include "commit.h"
#include "cache.h"
+#include "tag.h"
#include <stdlib.h>
#include <string.h>
p = p->next;
}
}
+
+struct object *parse_object(unsigned char *sha1)
+{
+ unsigned long mapsize;
+ void *map = map_sha1_file(sha1, &mapsize);
+ if (map) {
+ struct object *obj;
+ char type[100];
+ unsigned long size;
+ void *buffer = unpack_sha1_file(map, mapsize, type, &size);
+ munmap(map, mapsize);
+ if (!buffer)
+ return NULL;
+ if (check_sha1_signature(sha1, buffer, size, type) < 0)
+ printf("sha1 mismatch %s\n", sha1_to_hex(sha1));
+ if (!strcmp(type, "blob")) {
+ struct blob *blob = lookup_blob(sha1);
+ parse_blob_buffer(blob, buffer, size);
+ obj = &blob->object;
+ } else if (!strcmp(type, "tree")) {
+ struct tree *tree = lookup_tree(sha1);
+ parse_tree_buffer(tree, buffer, size);
+ obj = &tree->object;
+ } else if (!strcmp(type, "commit")) {
+ struct commit *commit = lookup_commit(sha1);
+ parse_commit_buffer(commit, buffer, size);
+ obj = &commit->object;
+ } else if (!strcmp(type, "tag")) {
+ struct tag *tag = lookup_tag(sha1);
+ parse_tag_buffer(tag, buffer, size);
+ obj = &tag->object;
+ } else {
+ obj = NULL;
+ }
+ free(buffer);
+ return obj;
+ }
+ return NULL;
+}