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23 * @file svn_mergeinfo_private.h
24 * @brief Subversion-internal mergeinfo APIs.
27 #ifndef SVN_MERGEINFO_PRIVATE_H
28 #define SVN_MERGEINFO_PRIVATE_H
30 #include <apr_pools.h>
32 #include "svn_types.h"
33 #include "svn_error.h"
34 #include "svn_mergeinfo.h"
38 #endif /* __cplusplus */
41 /* Set inheritability of all ranges in RANGELIST to INHERITABLE.
42 If RANGELIST is NULL do nothing. */
44 svn_rangelist__set_inheritance(svn_rangelist_t *rangelist,
45 svn_boolean_t inheritable);
47 /* Parse a rangelist from the string STR. Set *RANGELIST to the result,
48 * allocated in RESULT_POOL. Return an error if the rangelist is not
49 * well-formed (for example, if it contains invalid characters or if
50 * R1 >= R2 in a "R1-R2" range element).
52 * Unlike svn_mergeinfo_parse(), this does not sort the ranges into order
53 * or combine adjacent and overlapping ranges.
55 * The compaction can be done with svn_rangelist__combine_adjacent_ranges().
58 svn_rangelist__parse(svn_rangelist_t **rangelist,
60 apr_pool_t *result_pool);
62 /* In-place combines adjacent ranges in a rangelist.
63 SCRATCH_POOL is just used for providing error messages. */
65 svn_rangelist__combine_adjacent_ranges(svn_rangelist_t *rangelist,
66 apr_pool_t *scratch_pool);
68 /** Canonicalize the @a rangelist: sort the ranges, and combine adjacent or
69 * overlapping ranges into single ranges where possible.
71 * If overlapping ranges have different inheritability, return an error.
73 * Modify @a rangelist in place. Use @a scratch_pool for temporary
77 svn_rangelist__canonicalize(svn_rangelist_t *rangelist,
78 apr_pool_t *scratch_pool);
80 /** Canonicalize the revision range lists in the @a mergeinfo.
82 * Modify @a mergeinfo in place. Use @a scratch_pool for temporary
86 svn_mergeinfo__canonicalize_ranges(svn_mergeinfo_t mergeinfo,
87 apr_pool_t *scratch_pool);
89 /* Set inheritability of all rangelists in MERGEINFO to INHERITABLE.
90 If MERGEINFO is NULL do nothing. If a rangelist in MERGEINFO is
91 NULL leave it alone. */
93 svn_mergeinfo__set_inheritance(svn_mergeinfo_t mergeinfo,
94 svn_boolean_t inheritable,
95 apr_pool_t *scratch_pool);
97 /* Return whether INFO1 and INFO2 are equal in *IS_EQUAL.
99 CONSIDER_INHERITANCE determines how the rangelists in the two
100 hashes are compared for equality. If CONSIDER_INHERITANCE is FALSE,
101 then the start and end revisions of the svn_merge_range_t's being
102 compared are the only factors considered when determining equality.
104 e.g. '/trunk: 1,3-4*,5' == '/trunk: 1,3-5'
106 If CONSIDER_INHERITANCE is TRUE, then the inheritability of the
107 svn_merge_range_t's is also considered and must be the same for two
108 otherwise identical ranges to be judged equal.
110 e.g. '/trunk: 1,3-4*,5' != '/trunk: 1,3-5'
111 '/trunk: 1,3-4*,5' == '/trunk: 1,3-4*,5'
112 '/trunk: 1,3-4,5' == '/trunk: 1,3-4,5'
114 Use POOL for temporary allocations. */
116 svn_mergeinfo__equals(svn_boolean_t *is_equal,
117 svn_mergeinfo_t info1,
118 svn_mergeinfo_t info2,
119 svn_boolean_t consider_inheritance,
122 /* Examine MERGEINFO, removing all paths from the hash which map to
123 empty rangelists. POOL is used only to allocate the apr_hash_index_t
124 iterator. Returns TRUE if any paths were removed and FALSE if none were
125 removed or MERGEINFO is NULL. */
127 svn_mergeinfo__remove_empty_rangelists(svn_mergeinfo_t mergeinfo,
130 /* Make a shallow (ie, mergeinfos are not duped, or altered at all;
131 keys share storage) copy of IN_CATALOG in *OUT_CATALOG, removing
132 PREFIX_PATH from the beginning of each key in the catalog.
133 PREFIX_PATH and the keys of IN_CATALOG are absolute 'fspaths',
134 starting with '/'. It is illegal for any key to not start with
135 PREFIX_PATH. The keys of *OUT_CATALOG are relpaths. The new hash
136 and temporary values are allocated in POOL. (This is useful for
137 making the return value from svn_ra_get_mergeinfo relative to the
138 session root, say.) */
140 svn_mergeinfo__remove_prefix_from_catalog(svn_mergeinfo_catalog_t *out_catalog,
141 svn_mergeinfo_catalog_t in_catalog,
142 const char *prefix_path,
145 /* Make a shallow (ie, mergeinfos are not duped, or altered at all;
146 though keys are reallocated) copy of IN_CATALOG in *OUT_CATALOG,
147 adding PREFIX_PATH to the beginning of each key in the catalog.
149 The new hash keys are allocated in RESULT_POOL. SCRATCH_POOL
150 is used for any temporary allocations.*/
152 svn_mergeinfo__add_prefix_to_catalog(svn_mergeinfo_catalog_t *out_catalog,
153 svn_mergeinfo_catalog_t in_catalog,
154 const char *prefix_path,
155 apr_pool_t *result_pool,
156 apr_pool_t *scratch_pool);
158 /* Set *OUT_MERGEINFO to a shallow copy of MERGEINFO with the relpath
159 SUFFIX_RELPATH added to the end of each key path.
161 Allocate *OUT_MERGEINFO and the new keys in RESULT_POOL. Use
162 SCRATCH_POOL for any temporary allocations. */
164 svn_mergeinfo__add_suffix_to_mergeinfo(svn_mergeinfo_t *out_mergeinfo,
165 svn_mergeinfo_t mergeinfo,
166 const char *suffix_relpath,
167 apr_pool_t *result_pool,
168 apr_pool_t *scratch_pool);
170 /* Create a string representation of CATALOG in *OUTPUT, allocated in POOL.
171 The hash keys of CATALOG and the merge source paths of each key's mergeinfo
172 are represented in sorted order as per svn_sort_compare_items_as_paths.
173 If CATALOG is empty or NULL then *OUTPUT->DATA is set to "\n". If SVN_DEBUG
174 is true, then a NULL or empty CATALOG causes *OUTPUT to be set to an
175 appropriate newline terminated string. If KEY_PREFIX is not NULL then
176 prepend KEY_PREFIX to each key (path) in *OUTPUT. if VAL_PREFIX is not
177 NULL then prepend VAL_PREFIX to each merge source:rangelist line in
180 Any relative merge source paths in the mergeinfo in CATALOG are converted
181 to absolute paths in *OUTPUT. */
183 svn_mergeinfo__catalog_to_formatted_string(svn_string_t **output,
184 svn_mergeinfo_catalog_t catalog,
185 const char *key_prefix,
186 const char *val_prefix,
189 /* Set *YOUNGEST_REV and *OLDEST_REV to the youngest and oldest revisions
190 found in the rangelists within MERGEINFO. Note that *OLDEST_REV is
191 exclusive and *YOUNGEST_REV is inclusive. If MERGEINFO is NULL or empty
192 set *YOUNGEST_REV and *OLDEST_REV to SVN_INVALID_REVNUM. */
194 svn_mergeinfo__get_range_endpoints(svn_revnum_t *youngest_rev,
195 svn_revnum_t *oldest_rev,
196 svn_mergeinfo_t mergeinfo,
199 /* Set *FILTERED_MERGEINFO to a deep copy of MERGEINFO, allocated in
200 RESULT_POOL, less any revision ranges that fall outside of the range
201 OLDEST_REV:YOUNGEST_REV (exclusive:inclusive) if INCLUDE_RANGE is true,
202 or less any ranges within OLDEST_REV:YOUNGEST_REV if INCLUDE_RANGE
203 is false. If all the rangelists mapped to a given path are filtered
204 then filter that path as well. If all paths are filtered or MERGEINFO is
205 empty or NULL then *FILTERED_MERGEINFO is set to an empty hash.
207 Use SCRATCH_POOL for any temporary allocations. */
209 svn_mergeinfo__filter_mergeinfo_by_ranges(svn_mergeinfo_t *filtered_mergeinfo,
210 svn_mergeinfo_t mergeinfo,
211 svn_revnum_t youngest_rev,
212 svn_revnum_t oldest_rev,
213 svn_boolean_t include_range,
214 apr_pool_t *result_pool,
215 apr_pool_t *scratch_pool);
217 /* Filter each mergeinfo in CATALOG as per
218 svn_mergeinfo__filter_mergeinfo_by_ranges() and put a deep copy of the
219 result in *FILTERED_CATALOG, allocated in RESULT_POOL. If any mergeinfo
220 is filtered to an empty hash then filter that path/mergeinfo as well.
221 If all mergeinfo is filtered or CATALOG is NULL then set *FILTERED_CATALOG
224 Use SCRATCH_POOL for any temporary allocations. */
226 svn_mergeinfo__filter_catalog_by_ranges(
227 svn_mergeinfo_catalog_t *filtered_catalog,
228 svn_mergeinfo_catalog_t catalog,
229 svn_revnum_t youngest_rev,
230 svn_revnum_t oldest_rev,
231 svn_boolean_t include_range,
232 apr_pool_t *result_pool,
233 apr_pool_t *scratch_pool);
235 /* If MERGEINFO is non-inheritable return TRUE, return FALSE otherwise.
236 MERGEINFO may be NULL or empty. */
238 svn_mergeinfo__is_noninheritable(svn_mergeinfo_t mergeinfo,
239 apr_pool_t *scratch_pool);
241 /* Return a rangelist with one svn_merge_range_t * element defined by START,
242 END, and INHERITABLE. The rangelist and its contents are allocated in
245 svn_rangelist__initialize(svn_revnum_t start,
247 svn_boolean_t inheritable,
248 apr_pool_t *result_pool);
250 /* Adjust in-place MERGEINFO's rangelists by OFFSET. If OFFSET is negative
251 and would adjust any part of MERGEINFO's source revisions to 0 or less,
252 then those revisions are dropped. If all the source revisions for a merge
253 source path are dropped, then the path itself is dropped. If all merge
254 source paths are dropped, then *ADJUSTED_MERGEINFO is set to an empty
255 hash. *ADJUSTED_MERGEINFO is allocated in RESULT_POOL. SCRATCH_POOL is
256 used for any temporary allocations. */
258 svn_mergeinfo__adjust_mergeinfo_rangelists(svn_mergeinfo_t *adjusted_mergeinfo,
259 svn_mergeinfo_t mergeinfo,
261 apr_pool_t *result_pool,
262 apr_pool_t *scratch_pool);
264 /* Translates an array SEGMENTS (of svn_location_segment_t *), like the one
265 returned from svn_client__repos_location_segments, into a mergeinfo
266 *MERGEINFO_P, allocated in POOL.
268 Note: A svn_location_segment_t segment may legitimately describe only revision 0,
269 but there is no way to describe that using svn_mergeinfo_t. Any such
270 segment in SEGMENTS are ignored. */
272 svn_mergeinfo__mergeinfo_from_segments(svn_mergeinfo_t *mergeinfo_p,
273 const apr_array_header_t *segments,
276 /* Merge every rangelist in MERGEINFO into the given MERGED_RANGELIST,
277 * ignoring the source paths of MERGEINFO. MERGED_RANGELIST may
278 * initially be empty. New elements added to RANGELIST are allocated in
279 * RESULT_POOL. See svn_rangelist_merge2() for details of inheritability
282 svn_rangelist__merge_many(svn_rangelist_t *merged_rangelist,
283 svn_mergeinfo_t mergeinfo,
284 apr_pool_t *result_pool,
285 apr_pool_t *scratch_pool);
289 #endif /* __cplusplus */
291 #endif /* SVN_MERGEINFO_PRIVATE_H */