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/* 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 */
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