/* build a vector of fnmatch patterns to evaluate efficiently */
int git_pathspec_init(
git_vector *vspec, const git_strarray *strspec, git_pool *strpool)
{
size_t i;
memset(vspec, 0, sizeof(*vspec));
if (!git_pathspec_is_interesting(strspec))
return 0;
if (git_vector_init(vspec, strspec->count, NULL) < 0)
return -1;
for (i = 0; i < strspec->count; ++i) {
int ret;
const char *pattern = strspec->strings[i];
git_attr_fnmatch *match = git__calloc(1, sizeof(git_attr_fnmatch));
if (!match)
return -1;
match->flags = GIT_ATTR_FNMATCH_ALLOWSPACE;
ret = git_attr_fnmatch__parse(match, strpool, NULL, &pattern);
if (ret == GIT_ENOTFOUND) {
git__free(match);
continue;
} else if (ret < 0)
return ret;
if (git_vector_insert(vspec, match) < 0)
return -1;
}
return 0;
}
int git_attr_file__parse_buffer(
git_repository *repo, const char *buffer, git_attr_file *attrs)
{
int error = 0;
const char *scan = NULL;
char *context = NULL;
git_attr_rule *rule = NULL;
assert(buffer && attrs);
scan = buffer;
/* if subdir file path, convert context for file paths */
if (attrs->key && git__suffixcmp(attrs->key, "/" GIT_ATTR_FILE) == 0) {
context = attrs->key + 2;
context[strlen(context) - strlen(GIT_ATTR_FILE)] = '\0';
}
while (!error && *scan) {
/* allocate rule if needed */
if (!rule && !(rule = git__calloc(1, sizeof(git_attr_rule)))) {
error = -1;
break;
}
/* parse the next "pattern attr attr attr" line */
if (!(error = git_attr_fnmatch__parse(
&rule->match, attrs->pool, context, &scan)) &&
!(error = git_attr_assignment__parse(
repo, attrs->pool, &rule->assigns, &scan)))
{
if (rule->match.flags & GIT_ATTR_FNMATCH_MACRO)
/* should generate error/warning if this is coming from any
* file other than .gitattributes at repo root.
*/
error = git_attr_cache__insert_macro(repo, rule);
else
error = git_vector_insert(&attrs->rules, rule);
}
/* if the rule wasn't a pattern, on to the next */
if (error < 0) {
git_attr_rule__clear(rule); /* reset rule contents */
if (error == GIT_ENOTFOUND)
error = 0;
} else {
rule = NULL; /* vector now "owns" the rule */
}
}
git_attr_rule__free(rule);
/* restore file path used for context */
if (context)
context[strlen(context)] = '.'; /* first char of GIT_ATTR_FILE */
return error;
}
int git_attr_file__parse_buffer(
git_repository *repo, git_attr_file *attrs, const char *data)
{
int error = 0;
const char *scan = data, *context = NULL;
git_attr_rule *rule = NULL;
/* if subdir file path, convert context for file paths */
if (attrs->entry &&
git_path_root(attrs->entry->path) < 0 &&
!git__suffixcmp(attrs->entry->path, "/" GIT_ATTR_FILE))
context = attrs->entry->path;
if (git_mutex_lock(&attrs->lock) < 0) {
giterr_set(GITERR_OS, "Failed to lock attribute file");
return -1;
}
while (!error && *scan) {
/* allocate rule if needed */
if (!rule && !(rule = git__calloc(1, sizeof(*rule)))) {
error = -1;
break;
}
rule->match.flags =
GIT_ATTR_FNMATCH_ALLOWNEG | GIT_ATTR_FNMATCH_ALLOWMACRO;
/* parse the next "pattern attr attr attr" line */
if (!(error = git_attr_fnmatch__parse(
&rule->match, &attrs->pool, context, &scan)) &&
!(error = git_attr_assignment__parse(
repo, &attrs->pool, &rule->assigns, &scan)))
{
if (rule->match.flags & GIT_ATTR_FNMATCH_MACRO)
/* TODO: warning if macro found in file below repo root */
error = git_attr_cache__insert_macro(repo, rule);
else
error = git_vector_insert(&attrs->rules, rule);
}
/* if the rule wasn't a pattern, on to the next */
if (error < 0) {
git_attr_rule__clear(rule); /* reset rule contents */
if (error == GIT_ENOTFOUND)
error = 0;
} else {
rule = NULL; /* vector now "owns" the rule */
}
}
git_mutex_unlock(&attrs->lock);
git_attr_rule__free(rule);
return error;
}
