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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/NumberParser.h"
namespace mozilla::intl {
/*static*/ Result<UniquePtr<NumberParser>, ICUError> NumberParser::TryCreate(
const char* aLocale, bool aUseGrouping) {
UniquePtr<NumberParser> nf = MakeUnique<NumberParser>();
UErrorCode status = U_ZERO_ERROR;
nf->mNumberFormat =
unum_open(UNUM_DECIMAL, nullptr, 0, aLocale, nullptr, &status);
if (U_FAILURE(status)) {
return Err(ToICUError(status));
}
if (!aUseGrouping) {
unum_setAttribute(nf->mNumberFormat.GetMut(), UNUM_GROUPING_USED, UBool(0));
}
return nf;
}
NumberParser::~NumberParser() {
if (mNumberFormat) {
unum_close(mNumberFormat.GetMut());
}
}
Result<std::pair<double, int32_t>, ICUError> NumberParser::ParseDouble(
Span<const char16_t> aDouble) const {
UErrorCode status = U_ZERO_ERROR;
int32_t parsePos = 0;
double value = unum_parseDouble(mNumberFormat.GetConst(), aDouble.data(),
static_cast<int32_t>(aDouble.size()),
&parsePos, &status);
if (U_FAILURE(status)) {
return Err(ToICUError(status));
}
return std::make_pair(value, parsePos);
}
} // namespace mozilla::intl
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