mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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222 lines
8.7 KiB
C++
222 lines
8.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_JSDATE_H
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#define ECMASCRIPT_JSDATE_H
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#include <array>
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#include "ecmascript/ecma_runtime_call_info.h"
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#include "ecmascript/js_tagged_value-inl.h"
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namespace panda::ecmascript {
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static constexpr int64_t DAYS_IN_YEAR = 365;
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static constexpr std::array<int, 2> APPROXIMATION_NUMBER = {100000, 3652425};
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static constexpr int64_t CHINA_BEFORE_1900_MS = -2177481943000;
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static constexpr int64_t CHINA_1901_MS = -2177452800000;
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static constexpr int CHINA_BEFORE_1901_ADDMS = 343000;
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static constexpr int MS_PER_SECOND = 1000;
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static constexpr int SEC_PER_MINUTE = 60;
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static constexpr int SEC_PER_HOUR = 3600;
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static constexpr int MIN_PER_HOUR = 60;
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static constexpr int MS_PER_HOUR = 3600 * 1000;
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static constexpr int MS_PER_DAY = 86400000;
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static constexpr int DAY_PER_WEEK = 7;
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static constexpr int DATE_LENGTH = 9;
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static constexpr int DATE_STRING_LENGTH = 15;
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static constexpr int DATE_CSTRING_LENGTH = 36;
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static constexpr int ISO_STRING_LENGTH = 25;
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static constexpr int TO_STRING_LENGTH = 36;
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static constexpr int TIME_STRING_LENGTH = 18;
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static constexpr int UTC_STRING_LENGTH = 29;
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// the index in the Date Fields
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static constexpr uint8_t YEAR = 0;
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static constexpr uint8_t MONTH = 1;
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static constexpr uint8_t DAYS = 2;
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static constexpr uint8_t HOUR = 3;
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static constexpr uint8_t MIN = 4;
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static constexpr uint8_t SEC = 5;
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static constexpr uint8_t MS = 6;
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static constexpr uint8_t WEEKDAY = 7;
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static constexpr uint8_t TIMEZONE = 8;
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static constexpr int CHINA_BEFORE_1901_MIN = 485;
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static constexpr int CHINA_AFTER_1901_MIN = 480;
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static constexpr int CHINA_BEFORE_1901_MS = 343000;
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static constexpr std::array<int, 3> LEAP_NUMBER = {4, 100, 400};
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static constexpr std::array<int, 4> YEAR_NUMBER = {1970, 1969, 1901, 1601};
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static constexpr int DAYS_1970_TO_0000 = 719468;
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static constexpr int DAYS_IN_4_YEARS = 1460;
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static constexpr int DAYS_IN_100_YEARS = 36524;
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static constexpr int DAYS_IN_400_YEARS = 146097;
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static constexpr int DAYS_MAR_TO_DEC = 306;
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static constexpr int DAYS_JAN_AND_FEB = 59;
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static constexpr int MONTH_COEFFICIENT = 2;
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static constexpr int MOUTH_PER_YEAR = 12;
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static constexpr std::array<int, 2> COEFFICIENT_TO_CIVIL = {5, 153};
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static constexpr std::array<int, 3> MONTH_TRANSFORM = {3, 10, -9};
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static constexpr int DAYS_FEBRUARY = 28;
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static constexpr char DEL = 127;
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class DateUtils {
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public:
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static void TransferTimeToDate(int64_t timeMs, std::array<int64_t, DATE_LENGTH> *date);
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static int64_t Mod(int64_t a, int b);
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static bool IsLeap(int64_t year);
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static int64_t GetDaysInYear(int64_t year);
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static int64_t GetDaysFromYear(int64_t year);
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// return the year, update days.
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static void GetYearFromDays(std::array<int64_t, DATE_LENGTH> *date);
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static int64_t FloorDiv(int64_t a, int64_t b);
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private:
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static bool isCached_;
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static int preSumDays_;
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static int preDays_;
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static int preMonth_;
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static int preYear_;
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};
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class JSDate : public JSObject {
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public:
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CAST_CHECK(JSDate, IsDate);
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static constexpr size_t TIME_VALUE_OFFSET = JSObject::SIZE;
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ACCESSORS(TimeValue, TIME_VALUE_OFFSET, LOCAL_TIME_OFFSET)
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ACCESSORS(LocalOffset, LOCAL_TIME_OFFSET, SIZE) // localoffset in min
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, TIME_VALUE_OFFSET, SIZE)
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static double MakeDay(double year, double month, double date);
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static double MakeTime(double hour, double min, double sec, double ms);
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static double MakeDate(double day, double time);
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static double TimeClip(double time);
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static JSTaggedValue LocalParseStringToMs(const CString &str);
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static JSTaggedValue UtcParseStringToMs(const CString &str);
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static JSTaggedValue IsoParseStringToMs(const CString &str);
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static int GetSignedNumFromString(const CString &str, int len, int *index);
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static bool GetNumFromString(const CString &str, int len, int *index, int *num);
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// 20.4.1.7
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int64_t GetLocalOffsetInMin(const JSThread *thread, int64_t timeMs, bool isLocal);
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// 20.4.1.8
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double LocalTime(double timeMs) const;
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// 20.4.1.9
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double UTCTime(double timeMs) const;
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// 20.4.3.1
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static JSTaggedValue Now();
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// 20.4.3.2
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static JSTaggedValue Parse(EcmaRuntimeCallInfo *argv);
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// 20.4.3.4
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static JSTaggedValue UTC(EcmaRuntimeCallInfo *argv);
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// 20.4.4.10
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JSTaggedValue GetTime() const;
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// 20.4.4.19
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JSTaggedValue GetUTCSeconds();
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// 20.4.4.35
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JSTaggedValue ToDateString(JSThread *thread) const;
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static CString ToDateString(double timeMs);
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// 20.4.4.36
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JSTaggedValue ToISOString(JSThread *thread) const;
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// 20.4.4.41
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JSTaggedValue ToString(JSThread *thread) const;
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// 20.4.4.42
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JSTaggedValue ToTimeString(JSThread *thread) const;
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// 20.4.4.43
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JSTaggedValue ToUTCString(JSThread *thread) const;
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// 20.4.4.44
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JSTaggedValue ValueOf() const;
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JSTaggedValue SetDateValue(EcmaRuntimeCallInfo *argv, uint32_t code, bool isLocal) const;
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double GetDateValue(double timeMs, uint8_t code, bool isLocal) const;
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static JSTaggedValue GetTimeFromString(const char *str, int len);
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static constexpr double MAX_DOUBLE = std::numeric_limits<double>::max();
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static constexpr double MAX_INT = std::numeric_limits<int>::max();
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static constexpr uint16_t NINETEEN_HUNDRED_YEAR = 1900;
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static constexpr uint16_t THOUSAND = 1000;
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static constexpr uint16_t HUNDRED = 100;
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static constexpr int TEN = 10;
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static constexpr int NUM_NINE = 9;
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static constexpr int MONTH_PER_YEAR = 12;
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static constexpr int MAX_DAYS_MONTH = 31;
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static double SetDateValues(const std::array<int64_t, DATE_LENGTH> *date, bool isLocal);
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static double SetDateValues(int64_t year, int64_t month, int64_t day);
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static void GetDateValues(double timeMs, std::array<int64_t, DATE_LENGTH> *date, bool isLocal);
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static CString StrToTargetLength(const CString &str, int length);
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static void AppendStrToTargetLength(const CString &str, int length, CString &target);
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DECL_DUMP()
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private:
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bool GetThisDateValues(std::array<int64_t, DATE_LENGTH> *date, bool isLocal) const;
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CString GetLocaleTimeStr(const std::array<int64_t, DATE_LENGTH> &fields) const;
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CString GetLocaleDateStr(const std::array<int64_t, DATE_LENGTH> &fields) const;
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static int64_t MathMod(int64_t a, int b);
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template<class T>
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inline static void ConvertAndAppend(T number, int length, CString& str)
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{
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const CString cStr = ToCString(number);
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AppendStrToTargetLength(cStr, length, str);
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}
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static constexpr int MINUTE_PER_HOUR = 60;
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static constexpr std::array<int, 12> MONTH_DAYS = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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// NOLINTNEXTLINE(readability-braces-around-statements,bugprone-suspicious-semicolon)
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static constexpr int DAYS_FROM_MONTH [2][13] = {
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{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
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{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}
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};
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static constexpr int STR_LENGTH_YEAR = 4;
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static constexpr int STR_LENGTH_OTHERS = 2;
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static constexpr int YEAR_DELTA = 399999;
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static constexpr int LINE_YEAR = 1970;
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static constexpr int CENTURY = 100;
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static constexpr char NEG = '-';
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static constexpr char PLUS = '+';
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static constexpr char SPACE = ' ';
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static constexpr char COLON = ':';
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static constexpr char POINT = '.';
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static constexpr std::string_view NEG_STR = "-";
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static constexpr std::string_view COMMA_STR = ",";
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static constexpr std::string_view SPACE_STR = " ";
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static constexpr int LENGTH_MONTH_NAME = 3;
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static constexpr int MS_PER_MINUTE = 60000;
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static constexpr int64_t MAX_TIME_IN_MS = static_cast<int64_t>(864000000) * 10000000;
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static constexpr char FLAG_TIME = 'T';
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static constexpr char FLAG_UTC = 'Z';
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static constexpr char VIRGULE = '/';
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static constexpr char COMMA = ',';
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static constexpr int LENGTH_PER_TIME = 3;
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static constexpr int MIN_LENGTH = 10;
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static constexpr int INDEX_PLUS_NEG = 6;
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static constexpr int ORIGIN_YEAR = 1901;
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static constexpr uint32_t CODE_FLAG = 0x0FULL;
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static constexpr size_t CODE_4_BIT = 4;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSDATE_H
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