1 files changed, 116 insertions, 0 deletions
diff --git a/subversion/libsvn_fs_fs/id.h b/subversion/libsvn_fs_fs/id.h
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--- /dev/null
+++ b/subversion/libsvn_fs_fs/id.h
@@ -0,0 +1,116 @@
+/* id.h : interface to node ID functions, private to libsvn_fs_fs
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you under the Apache License, Version 2.0 (the
+ *    "License"); you may not use this file except in compliance
+ *    with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing,
+ *    software distributed under the License is distributed on an
+ *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *    KIND, either express or implied.  See the License for the
+ *    specific language governing permissions and limitations
+ *    under the License.
+ * ====================================================================
+ */
+
+#ifndef SVN_LIBSVN_FS_FS_ID_H
+#define SVN_LIBSVN_FS_FS_ID_H
+
+#include "svn_fs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/*** ID accessor functions. ***/
+
+/* Get the "node id" portion of ID. */
+const char *svn_fs_fs__id_node_id(const svn_fs_id_t *id);
+
+/* Get the "copy id" portion of ID. */
+const char *svn_fs_fs__id_copy_id(const svn_fs_id_t *id);
+
+/* Get the "txn id" portion of ID, or NULL if it is a permanent ID. */
+const char *svn_fs_fs__id_txn_id(const svn_fs_id_t *id);
+
+/* Get the "rev" portion of ID, or SVN_INVALID_REVNUM if it is a
+   transaction ID. */
+svn_revnum_t svn_fs_fs__id_rev(const svn_fs_id_t *id);
+
+/* Access the "offset" portion of the ID, or -1 if it is a transaction
+   ID. */
+apr_off_t svn_fs_fs__id_offset(const svn_fs_id_t *id);
+
+/* Convert ID into string form, allocated in POOL. */
+svn_string_t *svn_fs_fs__id_unparse(const svn_fs_id_t *id,
+                                    apr_pool_t *pool);
+
+/* Return true if A and B are equal. */
+svn_boolean_t svn_fs_fs__id_eq(const svn_fs_id_t *a,
+                               const svn_fs_id_t *b);
+
+/* Return true if A and B are related. */
+svn_boolean_t svn_fs_fs__id_check_related(const svn_fs_id_t *a,
+                                          const svn_fs_id_t *b);
+
+/* Return 0 if A and B are equal, 1 if they are related, -1 otherwise. */
+int svn_fs_fs__id_compare(const svn_fs_id_t *a,
+                          const svn_fs_id_t *b);
+
+/* Create an ID within a transaction based on NODE_ID, COPY_ID, and
+   TXN_ID, allocated in POOL. */
+svn_fs_id_t *svn_fs_fs__id_txn_create(const char *node_id,
+                                      const char *copy_id,
+                                      const char *txn_id,
+                                      apr_pool_t *pool);
+
+/* Create a permanent ID based on NODE_ID, COPY_ID, REV, and OFFSET,
+   allocated in POOL. */
+svn_fs_id_t *svn_fs_fs__id_rev_create(const char *node_id,
+                                      const char *copy_id,
+                                      svn_revnum_t rev,
+                                      apr_off_t offset,
+                                      apr_pool_t *pool);
+
+/* Return a copy of ID, allocated from POOL. */
+svn_fs_id_t *svn_fs_fs__id_copy(const svn_fs_id_t *id,
+                                apr_pool_t *pool);
+
+/* Return an ID resulting from parsing the string DATA (with length
+   LEN), or NULL if DATA is an invalid ID string. */
+svn_fs_id_t *svn_fs_fs__id_parse(const char *data,
+                                 apr_size_t len,
+                                 apr_pool_t *pool);
+
+
+/* (de-)serialization support*/
+
+struct svn_temp_serializer__context_t;
+
+/**
+ * Serialize an @a id within the serialization @a context.
+ */
+void
+svn_fs_fs__id_serialize(struct svn_temp_serializer__context_t *context,
+                        const svn_fs_id_t * const *id);
+
+/**
+ * Deserialize an @a id within the @a buffer.
+ */
+void
+svn_fs_fs__id_deserialize(void *buffer,
+                          svn_fs_id_t **id);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* SVN_LIBSVN_FS_FS_ID_H */