diff options
author | Carlos Martín Nieto <cmn@dwim.me> | 2013-05-04 18:06:14 +0200 |
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committer | Carlos Martín Nieto <cmn@dwim.me> | 2013-05-11 11:20:38 +0200 |
commit | c58cac12c24fbb127cf1928bec20decb007a75e8 (patch) | |
tree | b41792fc37e70da0c456926aeb82f311dc3e000c /src/refdb.c | |
parent | 9bd89d962265b399b537e41058d40a6aeab00e64 (diff) | |
download | libgit2-c58cac12c24fbb127cf1928bec20decb007a75e8.tar.gz |
Introduce a glob-filtering iterator
If the backend doesn't provide support for it, the matching is done in
refdb on top of a normal iterator.
Diffstat (limited to 'src/refdb.c')
-rw-r--r-- | src/refdb.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/src/refdb.c b/src/refdb.c index 5e33c2e38..9f9037ce7 100644 --- a/src/refdb.c +++ b/src/refdb.c @@ -126,29 +126,59 @@ int git_refdb_lookup(git_reference **out, git_refdb *db, const char *ref_name) int git_refdb_iterator(git_reference_iterator **out, git_refdb *db) { - git_reference_iterator *iter; - if (!db->backend || !db->backend->iterator) { giterr_set(GITERR_REFERENCE, "This backend doesn't support iterators"); return -1; } - if (db->backend->iterator(&iter, db->backend) < 0) { - git__free(iter); + if (db->backend->iterator(out, db->backend) < 0) + return -1; + + return 0; +} + +int git_refdb_iterator_glob(git_reference_iterator **out, git_refdb *db, const char *glob) +{ + if (!db->backend) { + giterr_set(GITERR_REFERENCE, "There are no backends loaded"); + return -1; + } + + if (db->backend->iterator_glob) + return db->backend->iterator_glob(out, db->backend, glob); + + /* If the backend doesn't support glob-filtering themselves, we have to do it */ + if (db->backend->iterator(out, db->backend) < 0) + return -1; + + (*out)->glob = git__strdup(glob); + if (!(*out)->glob) { + db->backend->iterator_free(*out); return -1; } - *out = iter; return 0; } int git_refdb_next(const char **out, git_reference_iterator *iter) { - return iter->backend->next(out, iter); + int error; + + if (!iter->glob) + return iter->backend->next(out, iter); + + /* If the iterator has a glob, we need to filter */ + while ((error = iter->backend->next(out, iter)) == 0) { + if (!p_fnmatch(iter->glob, *out, 0)) + break; + } + + return error; } void git_refdb_iterator_free(git_reference_iterator *iter) { + git__free(iter->glob); iter->backend->iterator_free(iter); } |