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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__canonicalize().
58 svn_rangelist__parse(svn_rangelist_t **rangelist,
60 apr_pool_t *result_pool);
62 /* Return TRUE, if all ranges in RANGELIST are in ascending order and do
63 * not overlap and are not adjacent.
65 * If this returns FALSE, you probaly want to call
66 * svn_rangelist__canonicalize().
69 svn_rangelist__is_canonical(const svn_rangelist_t *rangelist);
71 /** Canonicalize the @a rangelist: sort the ranges, and combine adjacent or
72 * overlapping ranges into single ranges where possible.
74 * If overlapping ranges have different inheritability, return an error.
76 * Modify @a rangelist in place. Use @a scratch_pool for temporary
80 svn_rangelist__canonicalize(svn_rangelist_t *rangelist,
81 apr_pool_t *scratch_pool);
83 /** Canonicalize the revision range lists in the @a mergeinfo.
85 * Modify @a mergeinfo in place. Use @a scratch_pool for temporary
89 svn_mergeinfo__canonicalize_ranges(svn_mergeinfo_t mergeinfo,
90 apr_pool_t *scratch_pool);
92 /* Set inheritability of all rangelists in MERGEINFO to INHERITABLE.
93 If MERGEINFO is NULL do nothing. If a rangelist in MERGEINFO is
94 NULL leave it alone. */
96 svn_mergeinfo__set_inheritance(svn_mergeinfo_t mergeinfo,
97 svn_boolean_t inheritable,
98 apr_pool_t *scratch_pool);
100 /* Return whether INFO1 and INFO2 are equal in *IS_EQUAL.
102 CONSIDER_INHERITANCE determines how the rangelists in the two
103 hashes are compared for equality. If CONSIDER_INHERITANCE is FALSE,
104 then the start and end revisions of the svn_merge_range_t's being
105 compared are the only factors considered when determining equality.
107 e.g. '/trunk: 1,3-4*,5' == '/trunk: 1,3-5'
109 If CONSIDER_INHERITANCE is TRUE, then the inheritability of the
110 svn_merge_range_t's is also considered and must be the same for two
111 otherwise identical ranges to be judged equal.
113 e.g. '/trunk: 1,3-4*,5' != '/trunk: 1,3-5'
114 '/trunk: 1,3-4*,5' == '/trunk: 1,3-4*,5'
115 '/trunk: 1,3-4,5' == '/trunk: 1,3-4,5'
117 Use POOL for temporary allocations. */
119 svn_mergeinfo__equals(svn_boolean_t *is_equal,
120 svn_mergeinfo_t info1,
121 svn_mergeinfo_t info2,
122 svn_boolean_t consider_inheritance,
125 /* Remove all paths from MERGEINFO which map to empty rangelists.
127 Return TRUE if any paths were removed and FALSE if none were
128 removed or MERGEINFO is NULL. */
130 svn_mergeinfo__remove_empty_rangelists(svn_mergeinfo_t mergeinfo,
131 apr_pool_t *scratch_pool);
133 /* Make a shallow (ie, mergeinfos are not duped, or altered at all;
134 keys share storage) copy of IN_CATALOG in *OUT_CATALOG, removing
135 PREFIX_PATH from the beginning of each key in the catalog.
136 PREFIX_PATH and the keys of IN_CATALOG are absolute 'fspaths',
137 starting with '/'. It is illegal for any key to not start with
138 PREFIX_PATH. The keys of *OUT_CATALOG are relpaths. The new hash
139 and temporary values are allocated in POOL. (This is useful for
140 making the return value from svn_ra_get_mergeinfo relative to the
141 session root, say.) */
143 svn_mergeinfo__remove_prefix_from_catalog(svn_mergeinfo_catalog_t *out_catalog,
144 svn_mergeinfo_catalog_t in_catalog,
145 const char *prefix_path,
148 /* Make a shallow (ie, mergeinfos are not duped, or altered at all;
149 though keys are reallocated) copy of IN_CATALOG in *OUT_CATALOG,
150 adding PREFIX_PATH to the beginning of each key in the catalog.
152 The new hash keys are allocated in RESULT_POOL. SCRATCH_POOL
153 is used for any temporary allocations.*/
155 svn_mergeinfo__add_prefix_to_catalog(svn_mergeinfo_catalog_t *out_catalog,
156 svn_mergeinfo_catalog_t in_catalog,
157 const char *prefix_path,
158 apr_pool_t *result_pool,
159 apr_pool_t *scratch_pool);
161 /* Set *OUT_MERGEINFO to a shallow copy of MERGEINFO with the relpath
162 SUFFIX_RELPATH added to the end of each key path.
164 Allocate *OUT_MERGEINFO and the new keys in RESULT_POOL. Use
165 SCRATCH_POOL for any temporary allocations. */
167 svn_mergeinfo__add_suffix_to_mergeinfo(svn_mergeinfo_t *out_mergeinfo,
168 svn_mergeinfo_t mergeinfo,
169 const char *suffix_relpath,
170 apr_pool_t *result_pool,
171 apr_pool_t *scratch_pool);
173 /* Create a string representation of CATALOG in *OUTPUT, allocated in POOL.
174 The hash keys of CATALOG and the merge source paths of each key's mergeinfo
175 are represented in sorted order as per svn_sort_compare_items_as_paths.
176 If CATALOG is empty or NULL then *OUTPUT->DATA is set to "\n". If SVN_DEBUG
177 is true, then a NULL or empty CATALOG causes *OUTPUT to be set to an
178 appropriate newline terminated string. If KEY_PREFIX is not NULL then
179 prepend KEY_PREFIX to each key (path) in *OUTPUT. if VAL_PREFIX is not
180 NULL then prepend VAL_PREFIX to each merge source:rangelist line in
183 Any relative merge source paths in the mergeinfo in CATALOG are converted
184 to absolute paths in *OUTPUT. */
186 svn_mergeinfo__catalog_to_formatted_string(svn_string_t **output,
187 svn_mergeinfo_catalog_t catalog,
188 const char *key_prefix,
189 const char *val_prefix,
192 /* Set *YOUNGEST_REV and *OLDEST_REV to the youngest and oldest revisions
193 found in the rangelists within MERGEINFO. Note that *OLDEST_REV is
194 exclusive and *YOUNGEST_REV is inclusive. If MERGEINFO is NULL or empty
195 set *YOUNGEST_REV and *OLDEST_REV to SVN_INVALID_REVNUM. */
197 svn_mergeinfo__get_range_endpoints(svn_revnum_t *youngest_rev,
198 svn_revnum_t *oldest_rev,
199 svn_mergeinfo_t mergeinfo,
202 /* Set *FILTERED_MERGEINFO to a deep copy of MERGEINFO, allocated in
203 RESULT_POOL, less any revision ranges that fall outside of the range
204 OLDEST_REV:YOUNGEST_REV (exclusive:inclusive) if INCLUDE_RANGE is true,
205 or less any ranges within OLDEST_REV:YOUNGEST_REV if INCLUDE_RANGE
206 is false. If all the rangelists mapped to a given path are filtered
207 then filter that path as well. If all paths are filtered or MERGEINFO is
208 empty or NULL then *FILTERED_MERGEINFO is set to an empty hash.
210 Use SCRATCH_POOL for any temporary allocations. */
212 svn_mergeinfo__filter_mergeinfo_by_ranges(svn_mergeinfo_t *filtered_mergeinfo,
213 svn_mergeinfo_t mergeinfo,
214 svn_revnum_t youngest_rev,
215 svn_revnum_t oldest_rev,
216 svn_boolean_t include_range,
217 apr_pool_t *result_pool,
218 apr_pool_t *scratch_pool);
220 /* Filter each mergeinfo in CATALOG as per
221 svn_mergeinfo__filter_mergeinfo_by_ranges() and put a deep copy of the
222 result in *FILTERED_CATALOG, allocated in RESULT_POOL. If any mergeinfo
223 is filtered to an empty hash then filter that path/mergeinfo as well.
224 If all mergeinfo is filtered or CATALOG is NULL then set *FILTERED_CATALOG
227 Use SCRATCH_POOL for any temporary allocations. */
229 svn_mergeinfo__filter_catalog_by_ranges(
230 svn_mergeinfo_catalog_t *filtered_catalog,
231 svn_mergeinfo_catalog_t catalog,
232 svn_revnum_t youngest_rev,
233 svn_revnum_t oldest_rev,
234 svn_boolean_t include_range,
235 apr_pool_t *result_pool,
236 apr_pool_t *scratch_pool);
238 /* If MERGEINFO is non-inheritable return TRUE, return FALSE otherwise.
239 MERGEINFO may be NULL or empty. */
241 svn_mergeinfo__is_noninheritable(svn_mergeinfo_t mergeinfo,
242 apr_pool_t *scratch_pool);
244 /* Return a rangelist with one svn_merge_range_t * element defined by START,
245 END, and INHERITABLE. The rangelist and its contents are allocated in
248 svn_rangelist__initialize(svn_revnum_t start,
250 svn_boolean_t inheritable,
251 apr_pool_t *result_pool);
253 /* Adjust in-place MERGEINFO's rangelists by OFFSET. If OFFSET is negative
254 and would adjust any part of MERGEINFO's source revisions to 0 or less,
255 then those revisions are dropped. If all the source revisions for a merge
256 source path are dropped, then the path itself is dropped. If all merge
257 source paths are dropped, then *ADJUSTED_MERGEINFO is set to an empty
258 hash. *ADJUSTED_MERGEINFO is allocated in RESULT_POOL. SCRATCH_POOL is
259 used for any temporary allocations. */
261 svn_mergeinfo__adjust_mergeinfo_rangelists(svn_mergeinfo_t *adjusted_mergeinfo,
262 svn_mergeinfo_t mergeinfo,
264 apr_pool_t *result_pool,
265 apr_pool_t *scratch_pool);
267 /* Translates an array SEGMENTS (of svn_location_segment_t *), like the one
268 returned from svn_client__repos_location_segments, into a mergeinfo
269 *MERGEINFO_P, allocated in POOL.
271 Note: A svn_location_segment_t segment may legitimately describe only revision 0,
272 but there is no way to describe that using svn_mergeinfo_t. Any such
273 segment in SEGMENTS are ignored. */
275 svn_mergeinfo__mergeinfo_from_segments(svn_mergeinfo_t *mergeinfo_p,
276 const apr_array_header_t *segments,
279 /* Merge every rangelist in MERGEINFO into the given MERGED_RANGELIST,
280 * ignoring the source paths of MERGEINFO. MERGED_RANGELIST may
281 * initially be empty. New elements added to RANGELIST are allocated in
282 * RESULT_POOL. See svn_rangelist_merge2() for details of inheritability
285 svn_rangelist__merge_many(svn_rangelist_t *merged_rangelist,
286 svn_mergeinfo_t mergeinfo,
287 apr_pool_t *result_pool,
288 apr_pool_t *scratch_pool);
292 #endif /* __cplusplus */
294 #endif /* SVN_MERGEINFO_PRIVATE_H */