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aa5e6c7295
Summary: Update the copyright & license headers in C++ files to reflect the relicensing to GPLv2 Reviewed By: wez Differential Revision: D15487078 fbshipit-source-id: 19f24c933a64ecad0d3a692d0f8d2a38b4194b1d
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <chrono>
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#include <folly/Expected.h>
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#include <folly/Portability.h>
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#include <folly/Range.h>
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namespace facebook {
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namespace eden {
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enum class ChronoParseError {
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UnknownUnit,
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InvalidChronoUnitOrder,
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Overflow,
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EmptyInputString,
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InvalidLeadingChar,
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NoDigits,
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NonDigitChar,
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NonWhitespaceAfterEnd,
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OtherError,
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};
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/**
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* Get a human-readable string describing a ChronoParseError code.
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*/
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folly::StringPiece chronoParseErrorToString(ChronoParseError error);
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/**
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* Append the human-readable description of a ChronoParseError to a string.
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*
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* This allows ChronoParseError arguments to be used with
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* folly::to<std::string>().
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*/
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template <typename String>
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void toAppend(ChronoParseError error, String* result) {
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toAppend(chronoParseErrorToString(error), result);
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}
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/**
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* Parse a string to a std::chrono::nanoseconds duration.
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*/
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FOLLY_NODISCARD folly::Expected<std::chrono::nanoseconds, ChronoParseError>
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stringToDuration(folly::StringPiece src);
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/**
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* Convert a duration value to a string.
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*
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* The resulting string can be parsed with stringToDuration().
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*/
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std::string durationToString(std::chrono::nanoseconds duration);
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} // namespace eden
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} // namespace facebook
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