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/*
* Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
struct got_object {
int type;
int flags;
#define GOT_OBJ_FLAG_PACKED 0x01
#define GOT_OBJ_FLAG_DELTIFIED 0x02
size_t hdrlen;
size_t size;
struct got_object_id id;
int pack_idx; /* if packed */
off_t pack_offset; /* if packed */
struct got_delta_chain deltas; /* if deltified */
int refcnt; /* > 0 if open and/or cached */
};
/* A callback function which is invoked when a raw object is closed. */
struct got_raw_object;
typedef void (got_object_raw_close_cb)(struct got_raw_object *);
struct got_raw_object {
FILE *f; /* NULL if data buffer is being used */
int fd; /* -1 unless data buffer is memory-mapped */
int tempfile_idx; /* -1 unless using a repository-tempfile */
uint8_t *data;
off_t size;
size_t hdrlen;
int refcnt; /* > 0 if open and/or cached */
got_object_raw_close_cb *close_cb;
void *close_arg;
};
struct got_commit_object {
struct got_object_id *tree_id;
unsigned int nparents;
struct got_object_id_queue parent_ids;
char *author;
time_t author_time; /* UTC */
time_t author_gmtoff;
char *committer;
time_t committer_time; /* UTC */
time_t committer_gmtoff;
char *logmsg;
int refcnt; /* > 0 if open and/or cached */
int flags;
#define GOT_COMMIT_FLAG_PACKED 0x01
};
struct got_tree_entry {
mode_t mode;
char name[NAME_MAX + 1 /* NUL */];
struct got_object_id id;
int idx;
};
struct got_tree_object {
int nentries;
struct got_tree_entry *entries;
int refcnt;
};
struct got_blob_object {
FILE *f;
uint8_t *data;
size_t hdrlen;
size_t blocksize;
uint8_t *read_buf;
struct got_object_id id;
};
struct got_tag_object {
struct got_object_id id;
int obj_type;
char *tag;
time_t tagger_time;
time_t tagger_gmtoff;
char *tagger;
char *tagmsg;
int refcnt; /* > 0 if open and/or cached */
};
struct got_object_id *got_object_get_id(struct got_object *);
const struct got_error *got_object_get_id_str(char **, struct got_object *);
const struct got_error *got_object_get_path(char **, struct got_object_id *,
struct got_repository *);
const struct got_error *got_object_open_loose_fd(int *, struct got_object_id *,
struct got_repository *);
const struct got_error *got_object_open_packed(struct got_object **,
struct got_object_id *, struct got_repository *);
struct got_pack;
struct got_packidx;
const struct got_error *got_object_open_from_packfile(struct got_object **,
struct got_object_id *, struct got_pack *, struct got_packidx *, int,
struct got_repository *);
const struct got_error *got_object_read_raw_delta(uint64_t *, uint64_t *,
off_t *, off_t *, off_t *, off_t *, struct got_object_id **, int,
struct got_packidx *, int, struct got_object_id *, struct got_repository *);
const struct got_error *got_object_prepare_delta_reuse(struct got_pack **,
struct got_packidx *, int, struct got_repository *);
const struct got_error *got_object_read_header_privsep(struct got_object **,
struct got_object_id *, struct got_repository *, int);
const struct got_error *got_object_open(struct got_object **,
struct got_repository *, struct got_object_id *);
const struct got_error *got_object_raw_open(struct got_raw_object **, int *,
struct got_repository *, struct got_object_id *);
const struct got_error *got_object_raw_close(struct got_raw_object *);
const struct got_error *got_object_open_by_id_str(struct got_object **,
struct got_repository *, const char *);
void got_object_close(struct got_object *);
const struct got_error *got_object_commit_open(struct got_commit_object **,
struct got_repository *, struct got_object *);
const struct got_error *got_object_tree_open(struct got_tree_object **,
struct got_repository *, struct got_object *);
const struct got_error *got_object_blob_open(struct got_blob_object **,
struct got_repository *, struct got_object *, size_t, int);
char *got_object_blob_id_str(struct got_blob_object*, char *, size_t);
const struct got_error *got_object_tag_open(struct got_tag_object **,
struct got_repository *, struct got_object *);
const struct got_error *got_object_tree_entry_dup(struct got_tree_entry **,
struct got_tree_entry *);
const struct got_error *got_traverse_packed_commits(
struct got_object_id_queue *, struct got_object_id *, const char *,
struct got_repository *);
typedef const struct got_error *(*got_object_enumerate_commit_cb)(void *,
time_t, struct got_object_id *, struct got_repository *);
typedef const struct got_error *(*got_object_enumerate_tree_cb)(void *,
struct got_tree_object *, time_t, struct got_object_id *, const char *,
struct got_repository *);
const struct got_error *got_object_enumerate(int *,
got_object_enumerate_commit_cb, got_object_enumerate_tree_cb, void *,
struct got_object_id **, int, struct got_object_id **, int,
struct got_packidx *, struct got_repository *);
const struct got_error *got_object_raw_alloc(struct got_raw_object **,
uint8_t *, int *, size_t, size_t, off_t);
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