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Add git_tag_foreach

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This commit is contained in:
Michael Schubert 2012-07-10 08:53:05 +02:00
parent edca6c8fed
commit 2f05339e3e
2 changed files with 55 additions and 9 deletions
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15
include/git2/tag.h
View File

@ -277,6 +277,21 @@ GIT_EXTERN(int) git_tag_list_match(
const char *pattern, const char *pattern,
git_repository *repo); git_repository *repo);
typedef int (*git_tag_foreach_cb)(const char *name, git_oid *oid, void *data);
/**
* Call callback `cb' for each tag in the repository
*
* @param repo Repository
* @param cb Callback function
* @param cb_data Pointer to callback data (optional)
*/
GIT_EXTERN(int) git_tag_foreach(
git_repository *repo,
git_tag_foreach_cb cb,
void *cb_data);
/** /**
* Recursively peel a tag until a non tag git_object * Recursively peel a tag until a non tag git_object
* is met * is met

49
src/tag.c
View File

@ -393,20 +393,51 @@ int git_tag__parse(git_tag *tag, git_odb_object *obj)
} }
typedef struct { typedef struct {
git_vector *taglist; git_repository *repo;
const char *pattern; git_tag_foreach_cb cb;
void *cb_data;
} tag_cb_data;
static int tags_cb(const char *ref, void *data)
{
git_oid oid;
tag_cb_data *d = (tag_cb_data *)data;
if (git__prefixcmp(ref, GIT_REFS_TAGS_DIR) != 0)
return 0; /* no tag */
if (git_reference_name_to_oid(&oid, d->repo, ref) < 0)
return -1;
return d->cb(ref, &oid, d->cb_data);
}
int git_tag_foreach(git_repository *repo, git_tag_foreach_cb cb, void *cb_data)
{
tag_cb_data data;
assert(repo && cb);
data.cb = cb;
data.cb_data = cb_data;
data.repo = repo;
return git_reference_foreach(repo, GIT_REF_OID | GIT_REF_PACKED,
&tags_cb, &data);
}
typedef struct {
git_vector *taglist;
const char *pattern;
} tag_filter_data; } tag_filter_data;
#define GIT_REFS_TAGS_DIR_LEN strlen(GIT_REFS_TAGS_DIR) #define GIT_REFS_TAGS_DIR_LEN strlen(GIT_REFS_TAGS_DIR)
static int tag_list_cb(const char *tag_name, void *payload) static int tag_list_cb(const char *tag_name, git_oid *oid, void *data)
{ {
tag_filter_data *filter; tag_filter_data *filter = (tag_filter_data *)data;
GIT_UNUSED(oid);
if (git__prefixcmp(tag_name, GIT_REFS_TAGS_DIR) != 0)
return 0;
filter = (tag_filter_data *)payload;
if (!*filter->pattern || p_fnmatch(filter->pattern, tag_name + GIT_REFS_TAGS_DIR_LEN, 0) == 0) if (!*filter->pattern || p_fnmatch(filter->pattern, tag_name + GIT_REFS_TAGS_DIR_LEN, 0) == 0)
return git_vector_insert(filter->taglist, git__strdup(tag_name + GIT_REFS_TAGS_DIR_LEN)); return git_vector_insert(filter->taglist, git__strdup(tag_name + GIT_REFS_TAGS_DIR_LEN));
@ -427,7 +458,7 @@ int git_tag_list_match(git_strarray *tag_names, const char *pattern, git_reposit
filter.taglist = &taglist; filter.taglist = &taglist;
filter.pattern = pattern; filter.pattern = pattern;
error = git_reference_foreach(repo, GIT_REF_OID|GIT_REF_PACKED, &tag_list_cb, (void *)&filter); error = git_tag_foreach(repo, &tag_list_cb, (void *)&filter);
if (error < 0) { if (error < 0) {
git_vector_free(&taglist); git_vector_free(&taglist);
return -1; return -1;