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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/. */
#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(
const char* 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
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