/* Test al_ustr_has_prefix, al_ustr_has_suffix. */
static void t48(void)
{
ALLEGRO_USTR_INFO i1;
const ALLEGRO_USTR *us1 = al_ref_cstr(&i1, "Thú mỏ vịt");
/* The _cstr versions are simple wrappers around the real functions so its
* okay to test them only.
*/
CHECK(al_ustr_has_prefix_cstr(us1, ""));
CHECK(al_ustr_has_prefix_cstr(us1, "Thú"));
CHECK(! al_ustr_has_prefix_cstr(us1, "Thú mỏ vịt."));
CHECK(al_ustr_has_suffix_cstr(us1, ""));
CHECK(al_ustr_has_suffix_cstr(us1, "vịt"));
CHECK(! al_ustr_has_suffix_cstr(us1, "Thú mỏ vịt."));
}
static ALLEGRO_USTR *create_filter_string(const ALLEGRO_USTR *patterns)
{
ALLEGRO_USTR *filter = al_ustr_new("");
bool filter_all = false;
int start, end;
if (0 == strcmp(al_cstr(patterns), "*.*")) {
filter_all = true;
}
else {
al_ustr_append_cstr(filter, "All Supported Files");
al_ustr_append_chr(filter, '\0');
start = al_ustr_size(filter);
al_ustr_append(filter, patterns);
/* Remove all instances of "*.*", which will be added separately. */
for (;;) {
int pos = al_ustr_find_cstr(filter, start, "*.*;");
if (pos == -1)
break;
if (pos == start || al_ustr_get(filter, pos - 1) == ';') {
filter_all = true;
al_ustr_remove_range(filter, pos, pos + 4);
start = pos;
}
else {
start = pos + 4;
}
}
while (al_ustr_has_suffix_cstr(filter, ";*.*")) {
filter_all = true;
end = al_ustr_size(filter);
al_ustr_remove_range(filter, end - 4, end);
}
al_ustr_append_chr(filter, '\0');
}
if (filter_all) {
al_ustr_append_cstr(filter, "All Files");
al_ustr_append_chr(filter, '\0');
al_ustr_append_cstr(filter, "*.*");
al_ustr_append_chr(filter, '\0');
}
al_ustr_append_chr(filter, '\0');
return filter;
}
/* Function: al_is_path_present
*/
bool al_is_path_present(const ALLEGRO_PATH *path)
{
ALLEGRO_USTR *ustr;
bool rc;
ASSERT(path);
ustr = al_ustr_new("");
path_to_ustr(path, ALLEGRO_NATIVE_PATH_SEP, ustr);
/* Windows' stat() doesn't like the slash at the end of the path when
* the path is pointing to a directory. There are other places which
* might require the same fix.
*/
#ifdef ALLEGRO_WINDOWS
if (al_ustr_has_suffix_cstr(ustr, "\\")) {
al_ustr_truncate(ustr, al_ustr_size(ustr) - 1);
}
#endif
rc = al_filename_exists(al_cstr(ustr));
al_ustr_free(ustr);
return rc;
}
