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/**
* @copyright
* ====================================================================
* 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.
* ====================================================================
* @endcopyright
*
* @file svn_mergeinfo_private.h
* @brief Subversion-internal mergeinfo APIs.
*/
#ifndef SVN_MERGEINFO_PRIVATE_H
#define SVN_MERGEINFO_PRIVATE_H
#include <apr_pools.h>
#include "svn_types.h"
#include "svn_error.h"
#include "svn_mergeinfo.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Set inheritability of all ranges in RANGELIST to INHERITABLE.
If RANGELIST is NULL do nothing. */
void
svn_rangelist__set_inheritance(svn_rangelist_t *rangelist,
svn_boolean_t inheritable);
/* Parse a rangelist from the string STR. Set *RANGELIST to the result,
* allocated in RESULT_POOL. Return an error if the rangelist is not
* well-formed (for example, if it contains invalid characters or if
* R1 >= R2 in a "R1-R2" range element).
*
* Unlike svn_mergeinfo_parse(), this does not sort the ranges into order
* or combine adjacent and overlapping ranges.
*
* The compaction can be done with svn_rangelist__combine_adjacent_ranges().
*/
svn_error_t *
svn_rangelist__parse(svn_rangelist_t **rangelist,
const char *str,
apr_pool_t *result_pool);
/* In-place combines adjacent ranges in a rangelist.
SCRATCH_POOL is just used for providing error messages. */
svn_error_t *
svn_rangelist__combine_adjacent_ranges(svn_rangelist_t *rangelist,
apr_pool_t *scratch_pool);
/** Canonicalize the @a rangelist: sort the ranges, and combine adjacent or
* overlapping ranges into single ranges where possible.
*
* If overlapping ranges have different inheritability, return an error.
*
* Modify @a rangelist in place. Use @a scratch_pool for temporary
* allocations.
*/
svn_error_t *
svn_rangelist__canonicalize(svn_rangelist_t *rangelist,
apr_pool_t *scratch_pool);
/** Canonicalize the revision range lists in the @a mergeinfo.
*
* Modify @a mergeinfo in place. Use @a scratch_pool for temporary
* allocations.
*/
svn_error_t *
svn_mergeinfo__canonicalize_ranges(svn_mergeinfo_t mergeinfo,
apr_pool_t *scratch_pool);
/* Set inheritability of all rangelists in MERGEINFO to INHERITABLE.
If MERGEINFO is NULL do nothing. If a rangelist in MERGEINFO is
NULL leave it alone. */
void
svn_mergeinfo__set_inheritance(svn_mergeinfo_t mergeinfo,
svn_boolean_t inheritable,
apr_pool_t *scratch_pool);
/* Return whether INFO1 and INFO2 are equal in *IS_EQUAL.
CONSIDER_INHERITANCE determines how the rangelists in the two
hashes are compared for equality. If CONSIDER_INHERITANCE is FALSE,
then the start and end revisions of the svn_merge_range_t's being
compared are the only factors considered when determining equality.
e.g. '/trunk: 1,3-4*,5' == '/trunk: 1,3-5'
If CONSIDER_INHERITANCE is TRUE, then the inheritability of the
svn_merge_range_t's is also considered and must be the same for two
otherwise identical ranges to be judged equal.
e.g. '/trunk: 1,3-4*,5' != '/trunk: 1,3-5'
'/trunk: 1,3-4*,5' == '/trunk: 1,3-4*,5'
'/trunk: 1,3-4,5' == '/trunk: 1,3-4,5'
Use POOL for temporary allocations. */
svn_error_t *
svn_mergeinfo__equals(svn_boolean_t *is_equal,
svn_mergeinfo_t info1,
svn_mergeinfo_t info2,
svn_boolean_t consider_inheritance,
apr_pool_t *pool);
/* Remove all paths from MERGEINFO which map to empty rangelists.
Return TRUE if any paths were removed and FALSE if none were
removed or MERGEINFO is NULL. */
svn_boolean_t
svn_mergeinfo__remove_empty_rangelists(svn_mergeinfo_t mergeinfo,
apr_pool_t *scratch_pool);
/* Make a shallow (ie, mergeinfos are not duped, or altered at all;
keys share storage) copy of IN_CATALOG in *OUT_CATALOG, removing
PREFIX_PATH from the beginning of each key in the catalog.
PREFIX_PATH and the keys of IN_CATALOG are absolute 'fspaths',
starting with '/'. It is illegal for any key to not start with
PREFIX_PATH. The keys of *OUT_CATALOG are relpaths. The new hash
and temporary values are allocated in POOL. (This is useful for
making the return value from svn_ra_get_mergeinfo relative to the
session root, say.) */
svn_error_t *
svn_mergeinfo__remove_prefix_from_catalog(svn_mergeinfo_catalog_t *out_catalog,
svn_mergeinfo_catalog_t in_catalog,
const char *prefix_path,
apr_pool_t *pool);
/* Make a shallow (ie, mergeinfos are not duped, or altered at all;
though keys are reallocated) copy of IN_CATALOG in *OUT_CATALOG,
adding PREFIX_PATH to the beginning of each key in the catalog.
The new hash keys are allocated in RESULT_POOL. SCRATCH_POOL
is used for any temporary allocations.*/
svn_error_t *
svn_mergeinfo__add_prefix_to_catalog(svn_mergeinfo_catalog_t *out_catalog,
svn_mergeinfo_catalog_t in_catalog,
const char *prefix_path,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Set *OUT_MERGEINFO to a shallow copy of MERGEINFO with the relpath
SUFFIX_RELPATH added to the end of each key path.
Allocate *OUT_MERGEINFO and the new keys in RESULT_POOL. Use
SCRATCH_POOL for any temporary allocations. */
svn_error_t *
svn_mergeinfo__add_suffix_to_mergeinfo(svn_mergeinfo_t *out_mergeinfo,
svn_mergeinfo_t mergeinfo,
const char *suffix_relpath,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Create a string representation of CATALOG in *OUTPUT, allocated in POOL.
The hash keys of CATALOG and the merge source paths of each key's mergeinfo
are represented in sorted order as per svn_sort_compare_items_as_paths.
If CATALOG is empty or NULL then *OUTPUT->DATA is set to "\n". If SVN_DEBUG
is true, then a NULL or empty CATALOG causes *OUTPUT to be set to an
appropriate newline terminated string. If KEY_PREFIX is not NULL then
prepend KEY_PREFIX to each key (path) in *OUTPUT. if VAL_PREFIX is not
NULL then prepend VAL_PREFIX to each merge source:rangelist line in
*OUTPUT.
Any relative merge source paths in the mergeinfo in CATALOG are converted
to absolute paths in *OUTPUT. */
svn_error_t *
svn_mergeinfo__catalog_to_formatted_string(svn_string_t **output,
svn_mergeinfo_catalog_t catalog,
const char *key_prefix,
const char *val_prefix,
apr_pool_t *pool);
/* Set *YOUNGEST_REV and *OLDEST_REV to the youngest and oldest revisions
found in the rangelists within MERGEINFO. Note that *OLDEST_REV is
exclusive and *YOUNGEST_REV is inclusive. If MERGEINFO is NULL or empty
set *YOUNGEST_REV and *OLDEST_REV to SVN_INVALID_REVNUM. */
svn_error_t *
svn_mergeinfo__get_range_endpoints(svn_revnum_t *youngest_rev,
svn_revnum_t *oldest_rev,
svn_mergeinfo_t mergeinfo,
apr_pool_t *pool);
/* Set *FILTERED_MERGEINFO to a deep copy of MERGEINFO, allocated in
RESULT_POOL, less any revision ranges that fall outside of the range
OLDEST_REV:YOUNGEST_REV (exclusive:inclusive) if INCLUDE_RANGE is true,
or less any ranges within OLDEST_REV:YOUNGEST_REV if INCLUDE_RANGE
is false. If all the rangelists mapped to a given path are filtered
then filter that path as well. If all paths are filtered or MERGEINFO is
empty or NULL then *FILTERED_MERGEINFO is set to an empty hash.
Use SCRATCH_POOL for any temporary allocations. */
svn_error_t *
svn_mergeinfo__filter_mergeinfo_by_ranges(svn_mergeinfo_t *filtered_mergeinfo,
svn_mergeinfo_t mergeinfo,
svn_revnum_t youngest_rev,
svn_revnum_t oldest_rev,
svn_boolean_t include_range,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Filter each mergeinfo in CATALOG as per
svn_mergeinfo__filter_mergeinfo_by_ranges() and put a deep copy of the
result in *FILTERED_CATALOG, allocated in RESULT_POOL. If any mergeinfo
is filtered to an empty hash then filter that path/mergeinfo as well.
If all mergeinfo is filtered or CATALOG is NULL then set *FILTERED_CATALOG
to an empty hash.
Use SCRATCH_POOL for any temporary allocations. */
svn_error_t*
svn_mergeinfo__filter_catalog_by_ranges(
svn_mergeinfo_catalog_t *filtered_catalog,
svn_mergeinfo_catalog_t catalog,
svn_revnum_t youngest_rev,
svn_revnum_t oldest_rev,
svn_boolean_t include_range,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* If MERGEINFO is non-inheritable return TRUE, return FALSE otherwise.
MERGEINFO may be NULL or empty. */
svn_boolean_t
svn_mergeinfo__is_noninheritable(svn_mergeinfo_t mergeinfo,
apr_pool_t *scratch_pool);
/* Return a rangelist with one svn_merge_range_t * element defined by START,
END, and INHERITABLE. The rangelist and its contents are allocated in
RESULT_POOL. */
svn_rangelist_t *
svn_rangelist__initialize(svn_revnum_t start,
svn_revnum_t end,
svn_boolean_t inheritable,
apr_pool_t *result_pool);
/* Adjust in-place MERGEINFO's rangelists by OFFSET. If OFFSET is negative
and would adjust any part of MERGEINFO's source revisions to 0 or less,
then those revisions are dropped. If all the source revisions for a merge
source path are dropped, then the path itself is dropped. If all merge
source paths are dropped, then *ADJUSTED_MERGEINFO is set to an empty
hash. *ADJUSTED_MERGEINFO is allocated in RESULT_POOL. SCRATCH_POOL is
used for any temporary allocations. */
svn_error_t *
svn_mergeinfo__adjust_mergeinfo_rangelists(svn_mergeinfo_t *adjusted_mergeinfo,
svn_mergeinfo_t mergeinfo,
svn_revnum_t offset,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Translates an array SEGMENTS (of svn_location_segment_t *), like the one
returned from svn_client__repos_location_segments, into a mergeinfo
*MERGEINFO_P, allocated in POOL.
Note: A svn_location_segment_t segment may legitimately describe only revision 0,
but there is no way to describe that using svn_mergeinfo_t. Any such
segment in SEGMENTS are ignored. */
svn_error_t *
svn_mergeinfo__mergeinfo_from_segments(svn_mergeinfo_t *mergeinfo_p,
const apr_array_header_t *segments,
apr_pool_t *pool);
/* Merge every rangelist in MERGEINFO into the given MERGED_RANGELIST,
* ignoring the source paths of MERGEINFO. MERGED_RANGELIST may
* initially be empty. New elements added to RANGELIST are allocated in
* RESULT_POOL. See svn_rangelist_merge2() for details of inheritability
* etc. */
svn_error_t *
svn_rangelist__merge_many(svn_rangelist_t *merged_rangelist,
svn_mergeinfo_t mergeinfo,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* SVN_MERGEINFO_PRIVATE_H */