1/* tree.h : internal interface to tree node functions
2 *
3 * ====================================================================
4 *    Licensed to the Apache Software Foundation (ASF) under one
5 *    or more contributor license agreements.  See the NOTICE file
6 *    distributed with this work for additional information
7 *    regarding copyright ownership.  The ASF licenses this file
8 *    to you under the Apache License, Version 2.0 (the
9 *    "License"); you may not use this file except in compliance
10 *    with the License.  You may obtain a copy of the License at
11 *
12 *      http://www.apache.org/licenses/LICENSE-2.0
13 *
14 *    Unless required by applicable law or agreed to in writing,
15 *    software distributed under the License is distributed on an
16 *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 *    KIND, either express or implied.  See the License for the
18 *    specific language governing permissions and limitations
19 *    under the License.
20 * ====================================================================
21 */
22
23#ifndef SVN_LIBSVN_FS_TREE_H
24#define SVN_LIBSVN_FS_TREE_H
25
26#include "fs.h"
27
28#ifdef __cplusplus
29extern "C" {
30#endif /* __cplusplus */
31
32
33
34/* In POOL, create an instance of a DAG node 1st level cache.
35   The POOL will be cleared at regular intervals. */
36fs_fs_dag_cache_t*
37svn_fs_fs__create_dag_cache(apr_pool_t *pool);
38
39/* Set *ROOT_P to the root directory of revision REV in filesystem FS.
40   Allocate the structure in POOL. */
41svn_error_t *svn_fs_fs__revision_root(svn_fs_root_t **root_p, svn_fs_t *fs,
42                                      svn_revnum_t rev, apr_pool_t *pool);
43
44/* Does nothing, but included for Subversion 1.0.x compatibility. */
45svn_error_t *svn_fs_fs__deltify(svn_fs_t *fs, svn_revnum_t rev,
46                                apr_pool_t *pool);
47
48/* Commit the transaction TXN as a new revision.  Return the new
49   revision in *NEW_REV.  If the transaction conflicts with other
50   changes return SVN_ERR_FS_CONFLICT and set *CONFLICT_P to a string
51   that details the cause of the conflict.  Perform temporary
52   allocations in POOL. */
53svn_error_t *svn_fs_fs__commit_txn(const char **conflict_p,
54                                   svn_revnum_t *new_rev, svn_fs_txn_t *txn,
55                                   apr_pool_t *pool);
56
57/* Set ROOT_P to the root directory of transaction TXN.  Allocate the
58   structure in POOL. */
59svn_error_t *svn_fs_fs__txn_root(svn_fs_root_t **root_p, svn_fs_txn_t *txn,
60                                 apr_pool_t *pool);
61
62
63/* Set KIND_P to the node kind of the node at PATH in ROOT.
64   Allocate the structure in POOL. */
65svn_error_t *
66svn_fs_fs__check_path(svn_node_kind_t *kind_p,
67                      svn_fs_root_t *root,
68                      const char *path,
69                      apr_pool_t *pool);
70
71/* Implement root_vtable_t.node_id(). */
72svn_error_t *
73svn_fs_fs__node_id(const svn_fs_id_t **id_p,
74                   svn_fs_root_t *root,
75                   const char *path,
76                   apr_pool_t *pool);
77
78/* Set *REVISION to the revision in which PATH under ROOT was created.
79   Use POOL for any temporary allocations.  If PATH is in an
80   uncommitted transaction, *REVISION will be set to
81   SVN_INVALID_REVNUM. */
82svn_error_t *
83svn_fs_fs__node_created_rev(svn_revnum_t *revision,
84                            svn_fs_root_t *root,
85                            const char *path,
86                            apr_pool_t *pool);
87
88/* Verify metadata for ROOT.
89   ### Currently only implemented for revision roots. */
90svn_error_t *
91svn_fs_fs__verify_root(svn_fs_root_t *root,
92                       apr_pool_t *pool);
93
94#ifdef __cplusplus
95}
96#endif /* __cplusplus */
97
98#endif /* SVN_LIBSVN_FS_TREE_H */
99