214 lines
8.1 KiB
C
214 lines
8.1 KiB
C
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/*++
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Copyright (C) 1996-2001 Microsoft Corporation
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Module Name:
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DATETIMEPARSER.H
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Abstract:
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Validates a date/time string and converts into it's component values.
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History:
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--*/
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#ifndef _datetimeparser_
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#define _datetimeparser_
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#include "corepol.h"
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class POLARITY CDateTimeParser
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{
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public:
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enum { ok = 0, failed, nothingLeft };
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//nDayFormatPreference values
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typedef enum { dmy, dym, mdy, myd, ydm, ymd } DayFormatPreference;
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//Constructor. This takes a DateTime string and parses it.
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CDateTimeParser(const TCHAR *pszDateTime);
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//Destructor. Tidies up after itself.
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~CDateTimeParser();
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//Tidies up and parses a new date and time.
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BOOL SetDateTime(const TCHAR *pszDateTime);
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//Returns the status of the currently parsed date/time.
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BOOL IsValidDateTime() { return m_bValidDateTime; }
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//Retrieves the bits and pieces we found. Zero means it was not
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//found or was zero! This may change!
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unsigned char GetDay() { return m_nDay; }
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unsigned char GetMonth() { return m_nMonth; }
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unsigned int GetYear() { return m_nYear; }
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unsigned char GetHours() { return m_nHours; }
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unsigned char GetMinutes() { return m_nMinutes; }
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unsigned char GetSeconds() { return m_nSeconds; }
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unsigned int GetMicroseconds() { return m_nMicroseconds; }
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int GetUTC() { return m_nUTC; }
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int FillDMTF(WCHAR* pwszBuffer);
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// Static helper functions to allow other code to perform quick DMTF DateTime validation
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// without executing a lot of unnecessary NLS code.
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static BOOL CheckDMTFDateTimeFormat(const TCHAR *wszDateTime, BOOL bFailIfRelative = FALSE,
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BOOL bFailIfUnzoned = FALSE);
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static BOOL CheckDMTFDateTimeInterval(const TCHAR *wszInterval);
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protected:
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// Protected constructor, to keep outside code from instantiating us in a half-initialized
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// state. This constructor is used by a static helper function for validating DMTF formats.
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CDateTimeParser(void);
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// Prevents others from accessing
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//Resets all the date/time values to the default values.
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//If bSQL is TRUE it sets to the SQL default. Otherwise
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//sets to the DMTF default.
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void ResetDateTime(BOOL bSQL);
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void ResetDate(BOOL bSQL);
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void ResetTime(BOOL bSQL);
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//Does a check to make sure the date/time is in the DMTF
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//date/time format.
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//Fills in the class date/time elements.
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BOOL CheckDMTFDateTimeFormatInternal(const TCHAR *pszDateTime);
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//Does a check from the start of the string specified. If
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//bCheckTimeAfter set a call to CheckTimeFormat is called
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//after each successful parse of the date.
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//Fills in the class date/time elements.
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BOOL CheckDateFormat(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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//Does a check from the start of the string specified. If
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//bCheckDateAfter set a call to CheckDateFormat is called
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//after each successful parse of the time.
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//Fills in the class date/time elements.
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BOOL CheckTimeFormat(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL DateFormat1(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat2(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat3(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat4(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat5(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat6(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat7(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat8(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL DateFormat9(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat10(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat11(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat12(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat13(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat14(const TCHAR *pszDate, const TCHAR *pszDateSeparator, BOOL bCheckTimeAfter);
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BOOL DateFormat15(const TCHAR *pszDate, BOOL bCheckTimeAfter);
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BOOL TimeFormat1(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat2(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat3(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat4(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat5(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat6(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat7(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat8(const TCHAR *pszTime, BOOL bCheckDateAfter);
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BOOL TimeFormat9(const TCHAR *pszTime, BOOL bCheckDateAfter);
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//Checks for long and short month string. Leading spaces allowed.
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int IsValidMonthString(TCHAR *pszString,
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const TCHAR *pszSeparator,
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TCHAR *pszFullMonth[13],
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TCHAR *pszShortMonth[13]);
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//Checks for a month as a numeric string. Leading spaces allowed.
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//Checks to make sure month is in range 1-12
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int IsValidMonthNumber(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//Checks for valid day number. Does no validation of
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//number except checking it is in range of 1-31
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//Leading spaces allowed.
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int IsValidDayNumber(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//Checks for valid year number. Does conversion for
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//2 digit years. Leading spaces allowed.
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int IsValidYearNumber(TCHAR *pszString,
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const TCHAR *pszSeparator,
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BOOL bFourDigitsOnly);
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//Checks for valid hours. Validates for range 0-23
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//Leading spaces allowed.
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int IsValidHourNumber(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//Checks for valid minutes. Validates for range 0-59.
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//No leading spaces allowed.
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int IsValidMinuteNumber(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//Checks for valid minutes. Validates for range 0-59.
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//No leading spaces allowed.
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int IsValidSecondNumber(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//treats the number as thousandth of a second.
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int IsValidColonMillisecond(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//converts value to a thousandth of a second based on number
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//of digits included.
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int IsValidDotMillisecond(TCHAR *pszString,
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const TCHAR *pszSeparator);
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//Checks for valid AM/PM string. Leading space is allowed. If
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//PM, adds 12 onto hours. Validates hours so it is < 23.
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BOOL IsValidAmPmString(TCHAR *pszString,
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const TCHAR *pszSeparator,
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TCHAR *pszAmPm[2]);
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//Checks for a valid [yy]yyMMdd or yyyy day. Validates
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//month to 1..12 and day to 1..31
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BOOL IsValidYearMonthDayNumber(TCHAR *pszString);
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void GetLocalInfoAndAlloc(LCTYPE LCType, LPTSTR &lpLCData);
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void GetPreferedDateFormat();
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TCHAR* AllocAmPm();
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private:
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//Localised strings retrieved from GetLocalInfo which holds the long month strings
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TCHAR * m_pszFullMonth[13];
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//Localised strings retrieved from GetLocalInfo which holds the short month strings
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TCHAR * m_pszShortMonth[13];
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//Localised strings retrieved from GetLocalInfo which holds the short am/pm strings
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TCHAR *m_pszAmPm[2];
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//Lets us know if the string is valid or not.
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BOOL m_bValidDateTime;
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//These are the values which get filled in as we find then throughout the
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//parsing.
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unsigned char m_nDay;
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unsigned char m_nMonth;
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unsigned int m_nYear;
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unsigned char m_nHours;
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unsigned char m_nMinutes;
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unsigned char m_nSeconds;
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unsigned int m_nMicroseconds;
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int m_nUTC;
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//Preference for date decoding
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DayFormatPreference m_nDayFormatPreference;
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};
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BOOL POLARITY NormalizeCimDateTime(
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IN LPCWSTR pszSrc,
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OUT BSTR *strAdjusted
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);
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#endif
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