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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/intl/LocaleCanonicalizer.h"
#include <cstdio>
#include "unicode/uloc.h"
namespace mozilla::intl {
/* static */
ICUResult LocaleCanonicalizer::CanonicalizeICULevel1(
const char* aLocaleIn, LocaleCanonicalizer::Vector& aLocaleOut) {
auto result = FillBufferWithICUCall(
aLocaleOut,
[&aLocaleIn](char* target, int32_t length, UErrorCode* status) {
return uloc_canonicalize(aLocaleIn, target, length, status);
});
if (result.isErr()) {
return Err(result.unwrapErr());
}
// This step is not included in the normal ICU4C canonicalization step, but
// consumers were expecting the results to actually be ASCII. It seemed safer
// to include it.
for (auto byte : aLocaleOut) {
if (static_cast<unsigned char>(byte) > 127) {
return Err(ICUError::InternalError);
}
}
return Ok();
}
} // namespace mozilla::intl
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