2 a1fd68d8 2018-01-12 stsp * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 7b19e0f1 2017-11-05 stsp * Permission to use, copy, modify, and distribute this software for any
5 7b19e0f1 2017-11-05 stsp * purpose with or without fee is hereby granted, provided that the above
6 7b19e0f1 2017-11-05 stsp * copyright notice and this permission notice appear in all copies.
8 7b19e0f1 2017-11-05 stsp * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7b19e0f1 2017-11-05 stsp * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 59ece79d 2018-02-12 stsp struct got_object_id;
19 f934cf2c 2018-02-12 stsp struct got_blob_object;
20 883f0469 2018-06-23 stsp struct got_tree_object;
22 0ffeb3c2 2017-11-26 stsp struct got_tree_entry {
23 0ffeb3c2 2017-11-26 stsp SIMPLEQ_ENTRY(got_tree_entry) entry;
24 0ffeb3c2 2017-11-26 stsp mode_t mode;
26 59ece79d 2018-02-12 stsp struct got_object_id *id;
29 883f0469 2018-06-23 stsp SIMPLEQ_HEAD(got_tree_entries_queue, got_tree_entry);
31 883f0469 2018-06-23 stsp struct got_tree_entries {
32 883f0469 2018-06-23 stsp int nentries;
33 883f0469 2018-06-23 stsp struct got_tree_entries_queue head;
36 79f35eb3 2018-06-11 stsp struct got_object_qid {
37 79f35eb3 2018-06-11 stsp SIMPLEQ_ENTRY(got_object_qid) entry;
38 59ece79d 2018-02-12 stsp struct got_object_id *id;
41 79f35eb3 2018-06-11 stsp SIMPLEQ_HEAD(got_object_id_queue, got_object_qid);
43 d1cda826 2017-11-06 stsp struct got_commit_object {
44 59ece79d 2018-02-12 stsp struct got_object_id *tree_id;
45 d1cda826 2017-11-06 stsp unsigned int nparents;
46 79f35eb3 2018-06-11 stsp struct got_object_id_queue parent_ids;
47 d1cda826 2017-11-06 stsp char *author;
48 788c352e 2018-06-16 stsp struct tm tm_author; /* UTC */
49 d1cda826 2017-11-06 stsp char *committer;
50 788c352e 2018-06-16 stsp struct tm tm_committer; /* UTC */
51 d1cda826 2017-11-06 stsp char *logmsg;
53 1943de01 2018-06-22 stsp int refcnt; /* for internal use only */
56 0c60ce5a 2018-04-02 stsp /* A generic object. Used as a handle which holds an ID and an object type. */
57 eef6493a 2018-01-19 stsp struct got_object;
58 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_COMMIT 1
59 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_TREE 2
60 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_BLOB 3
61 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_TAG 4
62 f9a4270b 2017-12-03 stsp /* 5 is reserved */
63 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_OFFSET_DELTA 6
64 9b1d5162 2017-12-03 stsp #define GOT_OBJ_TYPE_REF_DELTA 7
66 ab9a70b2 2017-11-06 stsp struct got_repository;
69 0c60ce5a 2018-04-02 stsp * Obtain a string representation of an object ID. The output depends on
70 0c60ce5a 2018-04-02 stsp * the hash function used by the repository format (currently SHA1).
72 ef0981d5 2018-02-12 stsp const struct got_error *got_object_id_str(char **, struct got_object_id *);
75 0c60ce5a 2018-04-02 stsp * Compare two object IDs. Return value behaves like memcmp(3).
77 a1fd68d8 2018-01-12 stsp int got_object_id_cmp(struct got_object_id *, struct got_object_id *);
80 0c60ce5a 2018-04-02 stsp * Created a newly allocated copy of an object ID.
81 0c60ce5a 2018-04-02 stsp * The caller should dispose of it with free(3).
83 8bf5b3c9 2018-03-17 stsp struct got_object_id *got_object_id_dup(struct got_object_id *);
86 0c60ce5a 2018-04-02 stsp * Get a newly allocated copy of an object's ID.
87 0c60ce5a 2018-04-02 stsp * The caller should dispose of it with free(3).
89 3235492e 2018-04-01 stsp struct got_object_id *got_object_get_id(struct got_object *);
92 bacc9935 2018-05-20 stsp * Get a newly allocated copy of an object's ID string.
93 bacc9935 2018-05-20 stsp * The caller should dispose of it with free(3).
95 bacc9935 2018-05-20 stsp const struct got_error *got_object_get_id_str(char **, struct got_object *);
98 0c60ce5a 2018-04-02 stsp * Obtain the type of an object.
99 0c60ce5a 2018-04-02 stsp * Returns one of the GOT_OBJ_TYPE_x values (see above).
101 b107e67f 2018-01-19 stsp int got_object_get_type(struct got_object *);
104 0c60ce5a 2018-04-02 stsp * Attempt to open the object in a repository with the provided ID.
105 0c60ce5a 2018-04-02 stsp * Caller must dispose of it with got_object_close().
107 ab9a70b2 2017-11-06 stsp const struct got_error *got_object_open(struct got_object **,
108 ab9a70b2 2017-11-06 stsp struct got_repository *, struct got_object_id *);
111 0c60ce5a 2018-04-02 stsp * Attempt to map the provided ID string to an object ID and then
112 0c60ce5a 2018-04-02 stsp * attempt to open the object in a repository with this ID.
113 0c60ce5a 2018-04-02 stsp * The form of an ID string depends on the hash function used by the
114 0c60ce5a 2018-04-02 stsp * repository format (currently SHA1).
115 0c60ce5a 2018-04-02 stsp * Caller must dispose of the object with got_object_close().
117 6dfa2fd3 2018-02-12 stsp const struct got_error *got_object_open_by_id_str(struct got_object **,
118 0c60ce5a 2018-04-02 stsp struct got_repository *, const char *);
120 0c60ce5a 2018-04-02 stsp /* Dispose of an object. */
121 ab9a70b2 2017-11-06 stsp void got_object_close(struct got_object *);
124 0c60ce5a 2018-04-02 stsp * Attempt to open a commit object in a repository.
125 0c60ce5a 2018-04-02 stsp * The provided object must be of type GOT_OBJ_TYPE_COMMIT.
126 0c60ce5a 2018-04-02 stsp * The caller must dispose of the commit with got_object_commit_close().
128 d1cda826 2017-11-06 stsp const struct got_error *got_object_commit_open(struct got_commit_object **,
129 d1cda826 2017-11-06 stsp struct got_repository *, struct got_object *);
131 0c60ce5a 2018-04-02 stsp /* Dispose of a commit object. */
132 d1cda826 2017-11-06 stsp void got_object_commit_close(struct got_commit_object *);
135 0c60ce5a 2018-04-02 stsp * Attempt to open a tree object in a repository.
136 0c60ce5a 2018-04-02 stsp * The provided object must be of type GOT_OBJ_TYPE_TREE.
137 0c60ce5a 2018-04-02 stsp * The caller must dispose of the tree with got_object_tree_close().
139 0ffeb3c2 2017-11-26 stsp const struct got_error *got_object_tree_open(struct got_tree_object **,
140 0ffeb3c2 2017-11-26 stsp struct got_repository *, struct got_object *);
142 0c60ce5a 2018-04-02 stsp /* Dispose of a tree object. */
143 0ffeb3c2 2017-11-26 stsp void got_object_tree_close(struct got_tree_object *);
145 883f0469 2018-06-23 stsp /* Get the entries of a tree object. */
146 883f0469 2018-06-23 stsp const struct got_tree_entries *got_object_tree_get_entries(
147 883f0469 2018-06-23 stsp struct got_tree_object *);
150 0c60ce5a 2018-04-02 stsp * Attempt to open a blob object in a repository.
151 0c60ce5a 2018-04-02 stsp * The provided object must be of type GOT_OBJ_TYPE_BLOB.
152 0c60ce5a 2018-04-02 stsp * The size_t argument specifies the block size of an associated read buffer.
153 0c60ce5a 2018-04-02 stsp * The caller must dispose of the blob with got_object_blob_close().
155 68482ea3 2017-11-27 stsp const struct got_error *got_object_blob_open(struct got_blob_object **,
156 68482ea3 2017-11-27 stsp struct got_repository *, struct got_object *, size_t);
158 0c60ce5a 2018-04-02 stsp /* Dispose of a blob object. */
159 68482ea3 2017-11-27 stsp void got_object_blob_close(struct got_blob_object *);
162 0c60ce5a 2018-04-02 stsp * Write the string representation of the object ID of a blob to a buffer.
163 0c60ce5a 2018-04-02 stsp * The size_t argument speficies the size of the buffer. In the current
164 0c60ce5a 2018-04-02 stsp * implementation, it must be at least SHA1_DIGEST_STRING_LENGTH bytes.
165 0c60ce5a 2018-04-02 stsp * XXX This is a bad API, use got_object_id_str() instead.
167 f934cf2c 2018-02-12 stsp char *got_object_blob_id_str(struct got_blob_object*, char *, size_t);
170 0c60ce5a 2018-04-02 stsp * Get the length of header data at the beginning of the blob's read buffer.
171 0c60ce5a 2018-04-02 stsp * Note that header data is only present upon the first invocation of
172 0c60ce5a 2018-04-02 stsp * got_object_blob_read_block() after the blob is opened.
174 f934cf2c 2018-02-12 stsp size_t got_object_blob_get_hdrlen(struct got_blob_object *);
177 0c60ce5a 2018-04-02 stsp * Get a pointer to the blob's read buffer.
178 0c60ce5a 2018-04-02 stsp * The read buffer is filled by got_object_blob_read_block().
180 f934cf2c 2018-02-12 stsp const uint8_t *got_object_blob_get_read_buf(struct got_blob_object *);
183 0c60ce5a 2018-04-02 stsp * Read the next chunk of data from a blob, up to the blob's read buffer
184 0c60ce5a 2018-04-02 stsp * block size. The size_t output argument indicates how many bytes have
185 0c60ce5a 2018-04-02 stsp * been read into the blob's read buffer. Zero bytes will be reported if
186 0c60ce5a 2018-04-02 stsp * all data in the blob has been read.
188 eb651edf 2018-02-11 stsp const struct got_error *got_object_blob_read_block(size_t *,
189 eb651edf 2018-02-11 stsp struct got_blob_object *);
192 35e9ba5d 2018-06-21 stsp * Read the entire content of a blob and write it to the specified file.
193 35e9ba5d 2018-06-21 stsp * Flush and rewind the file as well, and indicate the amount of bytes
194 35e9ba5d 2018-06-21 stsp * written in the size_t output argument.
196 35e9ba5d 2018-06-21 stsp const struct got_error *got_object_blob_dump_to_file(size_t *, FILE *,
197 35e9ba5d 2018-06-21 stsp struct got_blob_object *);
199 be6a1b5a 2018-06-11 stsp const struct got_error *
200 be6a1b5a 2018-06-11 stsp got_object_open_as_commit(struct got_commit_object **,
201 be6a1b5a 2018-06-11 stsp struct got_repository *, struct got_object_id *);
202 776d4d29 2018-06-17 stsp const struct got_error *
203 776d4d29 2018-06-17 stsp got_object_open_as_tree(struct got_tree_object **,
204 776d4d29 2018-06-17 stsp struct got_repository *, struct got_object_id *);
205 a19581a2 2018-06-21 stsp const struct got_error *
206 a19581a2 2018-06-21 stsp got_object_open_as_blob(struct got_blob_object **,
207 a19581a2 2018-06-21 stsp struct got_repository *, struct got_object_id *, size_t);
209 776d4d29 2018-06-17 stsp const struct got_error *
210 776d4d29 2018-06-17 stsp got_object_open_by_path(struct got_object **, struct got_repository *,
211 776d4d29 2018-06-17 stsp struct got_object_id *, const char *);
213 bff6ca00 2018-04-23 stsp const struct got_error *got_object_commit_add_parent(struct got_commit_object *,
214 bff6ca00 2018-04-23 stsp const char *);
