+
+bool
+Collator::find(string pattern, string text) const
+{
+ if (_collator) {
+ auto utf16_pattern = utf8_to_utf16(pattern);
+ auto utf16_text = utf8_to_utf16(text);
+ UErrorCode status = U_ZERO_ERROR;
+ auto search = usearch_openFromCollator(utf16_pattern.data(), -1, utf16_text.data(), -1, _collator, nullptr, &status);
+ DCPOMATIC_ASSERT(search);
+ auto const index = usearch_first(search, &status);
+ usearch_close(search);
+ return index != -1;
+ } else {
+ transform(pattern.begin(), pattern.end(), pattern.begin(), ::tolower);
+ transform(text.begin(), text.end(), text.begin(), ::tolower);
+ return pattern.find(text) != string::npos;
+ }
+}
+