subversion/libsvn_fs_base/bdb/copies-table.h

/* copies-table.h : internal interface to ops on `copies' table
 *
 * ====================================================================
 *    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_COPIES_TABLE_H
#define SVN_LIBSVN_FS_COPIES_TABLE_H

#include "svn_fs.h"
#include "../fs.h"
#include "../trail.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


/* Open a `copies' table in ENV.  If CREATE is non-zero, create
   one if it doesn't exist.  Set *COPIES_P to the new table.
   Return a Berkeley DB error code.  */
int svn_fs_bdb__open_copies_table(DB **copies_p,
                                  DB_ENV *env,
                                  svn_boolean_t create);

/* Reserve a slot in the `copies' table in FS for a new copy operation
   as part of TRAIL.  Return the slot's id in *COPY_ID_P, allocated in
   POOL.  */
svn_error_t *svn_fs_bdb__reserve_copy_id(const char **copy_id_p,
                                         svn_fs_t *fs,
                                         trail_t *trail,
                                         apr_pool_t *pool);

/* Create a new copy with id COPY_ID in FS as part of TRAIL.
   SRC_PATH/SRC_TXN_ID are the path/transaction ID (respectively) of
   the copy source, and DST_NODEREV_ID is the node revision id of the
   copy destination.  KIND describes the type of copy operation.

   SRC_PATH is expected to be a canonicalized filesystem path (see
   svn_fs__canonicalize_abspath).

   COPY_ID should generally come from a call to
   svn_fs_bdb__reserve_copy_id().  */
svn_error_t *svn_fs_bdb__create_copy(svn_fs_t *fs,
                                     const char *copy_id,
                                     const char *src_path,
                                     const char *src_txn_id,
                                     const svn_fs_id_t *dst_noderev_id,
                                     copy_kind_t kind,
                                     trail_t *trail,
                                     apr_pool_t *pool);

/* Remove the copy whose name is COPY_ID from the `copies' table of
   FS, as part of TRAIL.  If there is no such copy,
   SVN_ERR_FS_NO_SUCH_COPY is the error returned.  */
svn_error_t *svn_fs_bdb__delete_copy(svn_fs_t *fs,
                                     const char *copy_id,
                                     trail_t *trail,
                                     apr_pool_t *pool);

/* Retrieve the copy *COPY_P named COPY_ID from the `copies' table of
   FS, as part of TRAIL.  Perform all allocations in POOL.  If
   there is no such copy, SVN_ERR_FS_NO_SUCH_COPY is the error
   returned.  */
svn_error_t *svn_fs_bdb__get_copy(copy_t **copy_p,
                                  svn_fs_t *fs,
                                  const char *copy_id,
                                  trail_t *trail,
                                  apr_pool_t *pool);



#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* SVN_LIBSVN_FS_COPIES_TABLE_H */