1 /*
2 * compat.c : Wrappers and callbacks for compatibility.
3 *
4 * ====================================================================
5 * Licensed to the Apache Software Foundation (ASF) under one
6 * or more contributor license agreements. See the NOTICE file
7 * distributed with this work for additional information
8 * regarding copyright ownership. The ASF licenses this file
9 * to you under the Apache License, Version 2.0 (the
10 * "License"); you may not use this file except in compliance
11 * with the License. You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing,
16 * software distributed under the License is distributed on an
17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18 * KIND, either express or implied. See the License for the
19 * specific language governing permissions and limitations
20 * under the License.
21 * ====================================================================
22 */
23
24 #include <apr_pools.h>
25 #include <apr_strings.h>
26
27 #include "svn_hash.h"
28 #include "svn_types.h"
29 #include "svn_error.h"
30 #include "svn_compat.h"
31 #include "svn_props.h"
32
33
34 /* Baton for use with svn_compat_wrap_commit_callback */
35 struct commit_wrapper_baton {
36 void *baton;
37 svn_commit_callback_t callback;
38 };
39
40 /* This implements svn_commit_callback2_t. */
41 static svn_error_t *
commit_wrapper_callback(const svn_commit_info_t * commit_info,void * baton,apr_pool_t * pool)42 commit_wrapper_callback(const svn_commit_info_t *commit_info,
43 void *baton, apr_pool_t *pool)
44 {
45 struct commit_wrapper_baton *cwb = baton;
46
47 if (cwb->callback)
48 return cwb->callback(commit_info->revision,
49 commit_info->date,
50 commit_info->author,
51 cwb->baton);
52
53 return SVN_NO_ERROR;
54 }
55
56 void
svn_compat_wrap_commit_callback(svn_commit_callback2_t * callback2,void ** callback2_baton,svn_commit_callback_t callback,void * callback_baton,apr_pool_t * pool)57 svn_compat_wrap_commit_callback(svn_commit_callback2_t *callback2,
58 void **callback2_baton,
59 svn_commit_callback_t callback,
60 void *callback_baton,
61 apr_pool_t *pool)
62 {
63 struct commit_wrapper_baton *cwb = apr_palloc(pool, sizeof(*cwb));
64
65 /* Set the user provided old format callback in the baton */
66 cwb->baton = callback_baton;
67 cwb->callback = callback;
68
69 *callback2_baton = cwb;
70 *callback2 = commit_wrapper_callback;
71 }
72
73
74 void
svn_compat_log_revprops_clear(apr_hash_t * revprops)75 svn_compat_log_revprops_clear(apr_hash_t *revprops)
76 {
77 if (revprops)
78 {
79 svn_hash_sets(revprops, SVN_PROP_REVISION_AUTHOR, NULL);
80 svn_hash_sets(revprops, SVN_PROP_REVISION_DATE, NULL);
81 svn_hash_sets(revprops, SVN_PROP_REVISION_LOG, NULL);
82 }
83 }
84
85 apr_array_header_t *
svn_compat_log_revprops_in(apr_pool_t * pool)86 svn_compat_log_revprops_in(apr_pool_t *pool)
87 {
88 apr_array_header_t *revprops = apr_array_make(pool, 3, sizeof(char *));
89
90 APR_ARRAY_PUSH(revprops, const char *) = SVN_PROP_REVISION_AUTHOR;
91 APR_ARRAY_PUSH(revprops, const char *) = SVN_PROP_REVISION_DATE;
92 APR_ARRAY_PUSH(revprops, const char *) = SVN_PROP_REVISION_LOG;
93
94 return revprops;
95 }
96
97 void
svn_compat_log_revprops_out(const char ** author,const char ** date,const char ** message,apr_hash_t * revprops)98 svn_compat_log_revprops_out(const char **author, const char **date,
99 const char **message, apr_hash_t *revprops)
100 {
101 svn_string_t *author_s, *date_s, *message_s;
102
103 *author = *date = *message = NULL;
104 if (revprops)
105 {
106 if ((author_s = svn_hash_gets(revprops, SVN_PROP_REVISION_AUTHOR)))
107 *author = author_s->data;
108 if ((date_s = svn_hash_gets(revprops, SVN_PROP_REVISION_DATE)))
109 *date = date_s->data;
110 if ((message_s = svn_hash_gets(revprops, SVN_PROP_REVISION_LOG)))
111 *message = message_s->data;
112 }
113 }
114
115 /* Baton for use with svn_compat_wrap_log_receiver */
116 struct log_wrapper_baton {
117 void *baton;
118 svn_log_message_receiver_t receiver;
119 };
120
121 /* This implements svn_log_entry_receiver_t. */
122 static svn_error_t *
log_wrapper_callback(void * baton,svn_log_entry_t * log_entry,apr_pool_t * pool)123 log_wrapper_callback(void *baton,
124 svn_log_entry_t *log_entry,
125 apr_pool_t *pool)
126 {
127 struct log_wrapper_baton *lwb = baton;
128
129 if (lwb->receiver && SVN_IS_VALID_REVNUM(log_entry->revision))
130 {
131 const char *author, *date, *message;
132 svn_compat_log_revprops_out(&author, &date, &message,
133 log_entry->revprops);
134 return lwb->receiver(lwb->baton,
135 log_entry->changed_paths2,
136 log_entry->revision,
137 author, date, message,
138 pool);
139 }
140
141 return SVN_NO_ERROR;
142 }
143
144 void
svn_compat_wrap_log_receiver(svn_log_entry_receiver_t * receiver2,void ** receiver2_baton,svn_log_message_receiver_t receiver,void * receiver_baton,apr_pool_t * pool)145 svn_compat_wrap_log_receiver(svn_log_entry_receiver_t *receiver2,
146 void **receiver2_baton,
147 svn_log_message_receiver_t receiver,
148 void *receiver_baton,
149 apr_pool_t *pool)
150 {
151 struct log_wrapper_baton *lwb = apr_palloc(pool, sizeof(*lwb));
152
153 /* Set the user provided old format callback in the baton. */
154 lwb->baton = receiver_baton;
155 lwb->receiver = receiver;
156
157 *receiver2_baton = lwb;
158 *receiver2 = log_wrapper_callback;
159 }
160