27 lines
1,017 B
C++
27 lines
1,017 B
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* A utility function that converts a string to a double independent of OS locale. */
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#ifndef MOZILLA_DOUBLECONVERSION_H
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#define MOZILLA_DOUBLECONVERSION_H
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#include "mozilla/Maybe.h"
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#include "mozilla/Span.h"
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#include <string>
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namespace mozilla {
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// Parses aStringSpan into a double floating point value. Always treats . as the
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// decimal separator, regardless of OS locale. Consumes the entire string;
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// trailing garbage is invalid. Returns Nothing() for invalid input.
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// The implementation uses double_conversion::StringToDoubleConverter with
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// NO_FLAGS, see double-conversion/string-to-double.h for more documentation.
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Maybe<double> StringToDouble(Span<const char> aStringSpan);
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}
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#endif // MOZILLA_DOUBLECONVERSION_H
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