/* 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/. */
#ifndef intl_components_NumberParser_h_
#define intl_components_NumberParser_h_
#include "mozilla/intl/ICUError.h"
#include "mozilla/intl/ICU4CGlue.h"
#include "mozilla/Span.h"
#include "mozilla/UniquePtr.h"
#include "unicode/unum.h"
namespace mozilla::intl {
class NumberParser {
public:
/**
* Initialize a new NumberParser for the provided locale and using the
* provided options.
*/
static Result<UniquePtr<NumberParser>, ICUError> TryCreate(
std::string_view aLocale,
bool aUseGrouping);
NumberParser() : mNumberFormat(nullptr) {};
NumberParser(
const NumberParser&) =
delete;
NumberParser&
operator=(
const NumberParser&) =
delete;
~NumberParser();
/**
* Attempts to parse a string representing a double, returning the parsed
* double and the parse position if successful, or an error.
*
* The parse position is the index into the input string where parsing
* stopped because an non-numeric character was encountered.
*/
Result<std::pair<
double, int32_t>, ICUError> ParseDouble(
Span<
const char16_t> aDouble)
const;
private:
ICUPointer<UNumberFormat> mNumberFormat;
};
}
// namespace mozilla::intl
#endif