icu 50.1 (50_rc)

git-svn-id: svn://tug.org/texlive/trunk@28087 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 0 insertions, 2630 deletions

diff --git a/Build/source/libs/icu/icu-49.1/i18n/vtzone.cpp b/Build/source/libs/icu/icu-49.1/i18n/vtzone.cpp
deleted file mode 100644
index 8e8689ffbae..00000000000
--- a/Build/source/libs/icu/icu-49.1/i18n/vtzone.cpp
+++ /dev/null
@@ -1,2630 +0,0 @@
-/*
-*******************************************************************************
-* Copyright (C) 2007-2011, International Business Machines Corporation and
-* others. All Rights Reserved.
-*******************************************************************************
-*/
-
-#include <typeinfo>  // for 'typeid' to work
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_FORMATTING
-
-#include "unicode/vtzone.h"
-#include "unicode/rbtz.h"
-#include "unicode/ucal.h"
-#include "unicode/ures.h"
-#include "cmemory.h"
-#include "uvector.h"
-#include "gregoimp.h"
-
-U_NAMESPACE_BEGIN
-
-// This is the deleter that will be use to remove TimeZoneRule
-U_CDECL_BEGIN
-static void U_CALLCONV
-deleteTimeZoneRule(void* obj) {
-    delete (TimeZoneRule*) obj;
-}
-U_CDECL_END
-
-// Smybol characters used by RFC2445 VTIMEZONE
-static const UChar COLON = 0x3A; /* : */
-static const UChar SEMICOLON = 0x3B; /* ; */
-static const UChar EQUALS_SIGN = 0x3D; /* = */
-static const UChar COMMA = 0x2C; /* , */
-static const UChar PLUS = 0x2B; /* + */
-static const UChar MINUS = 0x2D; /* - */
-
-// RFC2445 VTIMEZONE tokens
-static const UChar ICAL_BEGIN_VTIMEZONE[] = {0x42, 0x45, 0x47, 0x49, 0x4E, 0x3A, 0x56, 0x54, 0x49, 0x4D, 0x45, 0x5A, 0x4F, 0x4E, 0x45, 0}; /* "BEGIN:VTIMEZONE" */
-static const UChar ICAL_END_VTIMEZONE[] = {0x45, 0x4E, 0x44, 0x3A, 0x56, 0x54, 0x49, 0x4D, 0x45, 0x5A, 0x4F, 0x4E, 0x45, 0}; /* "END:VTIMEZONE" */
-static const UChar ICAL_BEGIN[] = {0x42, 0x45, 0x47, 0x49, 0x4E, 0}; /* "BEGIN" */
-static const UChar ICAL_END[] = {0x45, 0x4E, 0x44, 0}; /* "END" */
-static const UChar ICAL_VTIMEZONE[] = {0x56, 0x54, 0x49, 0x4D, 0x45, 0x5A, 0x4F, 0x4E, 0x45, 0}; /* "VTIMEZONE" */
-static const UChar ICAL_TZID[] = {0x54, 0x5A, 0x49, 0x44, 0}; /* "TZID" */
-static const UChar ICAL_STANDARD[] = {0x53, 0x54, 0x41, 0x4E, 0x44, 0x41, 0x52, 0x44, 0}; /* "STANDARD" */
-static const UChar ICAL_DAYLIGHT[] = {0x44, 0x41, 0x59, 0x4C, 0x49, 0x47, 0x48, 0x54, 0}; /* "DAYLIGHT" */
-static const UChar ICAL_DTSTART[] = {0x44, 0x54, 0x53, 0x54, 0x41, 0x52, 0x54, 0}; /* "DTSTART" */
-static const UChar ICAL_TZOFFSETFROM[] = {0x54, 0x5A, 0x4F, 0x46, 0x46, 0x53, 0x45, 0x54, 0x46, 0x52, 0x4F, 0x4D, 0}; /* "TZOFFSETFROM" */
-static const UChar ICAL_TZOFFSETTO[] = {0x54, 0x5A, 0x4F, 0x46, 0x46, 0x53, 0x45, 0x54, 0x54, 0x4F, 0}; /* "TZOFFSETTO" */
-static const UChar ICAL_RDATE[] = {0x52, 0x44, 0x41, 0x54, 0x45, 0}; /* "RDATE" */
-static const UChar ICAL_RRULE[] = {0x52, 0x52, 0x55, 0x4C, 0x45, 0}; /* "RRULE" */
-static const UChar ICAL_TZNAME[] = {0x54, 0x5A, 0x4E, 0x41, 0x4D, 0x45, 0}; /* "TZNAME" */
-static const UChar ICAL_TZURL[] = {0x54, 0x5A, 0x55, 0x52, 0x4C, 0}; /* "TZURL" */
-static const UChar ICAL_LASTMOD[] = {0x4C, 0x41, 0x53, 0x54, 0x2D, 0x4D, 0x4F, 0x44, 0x49, 0x46, 0x49, 0x45, 0x44, 0}; /* "LAST-MODIFIED" */
-
-static const UChar ICAL_FREQ[] = {0x46, 0x52, 0x45, 0x51, 0}; /* "FREQ" */
-static const UChar ICAL_UNTIL[] = {0x55, 0x4E, 0x54, 0x49, 0x4C, 0}; /* "UNTIL" */
-static const UChar ICAL_YEARLY[] = {0x59, 0x45, 0x41, 0x52, 0x4C, 0x59, 0}; /* "YEARLY" */
-static const UChar ICAL_BYMONTH[] = {0x42, 0x59, 0x4D, 0x4F, 0x4E, 0x54, 0x48, 0}; /* "BYMONTH" */
-static const UChar ICAL_BYDAY[] = {0x42, 0x59, 0x44, 0x41, 0x59, 0}; /* "BYDAY" */
-static const UChar ICAL_BYMONTHDAY[] = {0x42, 0x59, 0x4D, 0x4F, 0x4E, 0x54, 0x48, 0x44, 0x41, 0x59, 0}; /* "BYMONTHDAY" */
-
-static const UChar ICAL_NEWLINE[] = {0x0D, 0x0A, 0}; /* CRLF */
-
-static const UChar ICAL_DOW_NAMES[7][3] = {
-    {0x53, 0x55, 0}, /* "SU" */
-    {0x4D, 0x4F, 0}, /* "MO" */
-    {0x54, 0x55, 0}, /* "TU" */
-    {0x57, 0x45, 0}, /* "WE" */
-    {0x54, 0x48, 0}, /* "TH" */
-    {0x46, 0x52, 0}, /* "FR" */
-    {0x53, 0x41, 0}  /* "SA" */};
-
-// Month length for non-leap year
-static const int32_t MONTHLENGTH[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-
-// ICU custom property
-static const UChar ICU_TZINFO_PROP[] = {0x58, 0x2D, 0x54, 0x5A, 0x49, 0x4E, 0x46, 0x4F, 0x3A, 0}; /* "X-TZINFO:" */
-static const UChar ICU_TZINFO_PARTIAL[] = {0x2F, 0x50, 0x61, 0x72, 0x74, 0x69, 0x61, 0x6C, 0x40, 0}; /* "/Partial@" */
-static const UChar ICU_TZINFO_SIMPLE[] = {0x2F, 0x53, 0x69, 0x6D, 0x70, 0x6C, 0x65, 0x40, 0}; /* "/Simple@" */
-
-
-/*
- * Simple fixed digit ASCII number to integer converter
- */
-static int32_t parseAsciiDigits(const UnicodeString& str, int32_t start, int32_t length, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return 0;
-    }
-    if (length <= 0 || str.length() < start || (start + length) > str.length()) {
-        status = U_INVALID_FORMAT_ERROR;
-        return 0;
-    }
-    int32_t sign = 1;
-    if (str.charAt(start) == PLUS) {
-        start++;
-        length--;
-    } else if (str.charAt(start) == MINUS) {
-        sign = -1;
-        start++;
-        length--;
-    }
-    int32_t num = 0;
-    for (int32_t i = 0; i < length; i++) {
-        int32_t digit = str.charAt(start + i) - 0x0030;
-        if (digit < 0 || digit > 9) {
-            status = U_INVALID_FORMAT_ERROR;
-            return 0;
-        }
-        num = 10 * num + digit;
-    }
-    return sign * num;    
-}
-
-static UnicodeString& appendAsciiDigits(int32_t number, uint8_t length, UnicodeString& str) {
-    UBool negative = FALSE;
-    int32_t digits[10]; // max int32_t is 10 decimal digits
-    int32_t i;
-
-    if (number < 0) {
-        negative = TRUE;
-        number *= -1;
-    }
-
-    length = length > 10 ? 10 : length;
-    if (length == 0) {
-        // variable length
-        i = 0;
-        do {
-            digits[i++] = number % 10;
-            number /= 10;
-        } while (number != 0);
-        length = i;
-    } else {
-        // fixed digits
-        for (i = 0; i < length; i++) {
-           digits[i] = number % 10;
-           number /= 10;
-        }
-    }
-    if (negative) {
-        str.append(MINUS);
-    }
-    for (i = length - 1; i >= 0; i--) {
-        str.append((UChar)(digits[i] + 0x0030));
-    }
-    return str;
-}
-
-static UnicodeString& appendMillis(UDate date, UnicodeString& str) {
-    UBool negative = FALSE;
-    int32_t digits[20]; // max int64_t is 20 decimal digits
-    int32_t i;
-    int64_t number;
-
-    if (date < MIN_MILLIS) {
-        number = (int64_t)MIN_MILLIS;
-    } else if (date > MAX_MILLIS) {
-        number = (int64_t)MAX_MILLIS;
-    } else {
-        number = (int64_t)date;
-    }
-    if (number < 0) {
-        negative = TRUE;
-        number *= -1;
-    }
-    i = 0;
-    do {
-        digits[i++] = (int32_t)(number % 10);
-        number /= 10;
-    } while (number != 0);
-
-    if (negative) {
-        str.append(MINUS);
-    }
-    i--;
-    while (i >= 0) {
-        str.append((UChar)(digits[i--] + 0x0030));
-    }
-    return str;
-}
-
-/*
- * Convert date/time to RFC2445 Date-Time form #1 DATE WITH LOCAL TIME
- */
-static UnicodeString& getDateTimeString(UDate time, UnicodeString& str) {
-    int32_t year, month, dom, dow, doy, mid;
-    Grego::timeToFields(time, year, month, dom, dow, doy, mid);
-
-    str.remove();
-    appendAsciiDigits(year, 4, str);
-    appendAsciiDigits(month + 1, 2, str);
-    appendAsciiDigits(dom, 2, str);
-    str.append((UChar)0x0054 /*'T'*/);
-
-    int32_t t = mid;
-    int32_t hour = t / U_MILLIS_PER_HOUR;
-    t %= U_MILLIS_PER_HOUR;
-    int32_t min = t / U_MILLIS_PER_MINUTE;
-    t %= U_MILLIS_PER_MINUTE;
-    int32_t sec = t / U_MILLIS_PER_SECOND;
-
-    appendAsciiDigits(hour, 2, str);
-    appendAsciiDigits(min, 2, str);
-    appendAsciiDigits(sec, 2, str);
-    return str;
-}
-
-/*
- * Convert date/time to RFC2445 Date-Time form #2 DATE WITH UTC TIME
- */
-static UnicodeString& getUTCDateTimeString(UDate time, UnicodeString& str) {
-    getDateTimeString(time, str);
-    str.append((UChar)0x005A /*'Z'*/);
-    return str;
-}
-
-/*
- * Parse RFC2445 Date-Time form #1 DATE WITH LOCAL TIME and
- * #2 DATE WITH UTC TIME
- */
-static UDate parseDateTimeString(const UnicodeString& str, int32_t offset, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return 0.0;
-    }
-
-    int32_t year = 0, month = 0, day = 0, hour = 0, min = 0, sec = 0;
-    UBool isUTC = FALSE;
-    UBool isValid = FALSE;
-    do {
-        int length = str.length();
-        if (length != 15 && length != 16) {
-            // FORM#1 15 characters, such as "20060317T142115"
-            // FORM#2 16 characters, such as "20060317T142115Z"
-            break;
-        }
-        if (str.charAt(8) != 0x0054) {
-            // charcter "T" must be used for separating date and time
-            break;
-        }
-        if (length == 16) {
-            if (str.charAt(15) != 0x005A) {
-                // invalid format
-                break;
-            }
-            isUTC = TRUE;
-        }
-
-        year = parseAsciiDigits(str, 0, 4, status);
-        month = parseAsciiDigits(str, 4, 2, status) - 1;  // 0-based
-        day = parseAsciiDigits(str, 6, 2, status);
-        hour = parseAsciiDigits(str, 9, 2, status);
-        min = parseAsciiDigits(str, 11, 2, status);
-        sec = parseAsciiDigits(str, 13, 2, status);
-
-        if (U_FAILURE(status)) {
-            break;
-        }
-
-        // check valid range
-        int32_t maxDayOfMonth = Grego::monthLength(year, month);
-        if (year < 0 || month < 0 || month > 11 || day < 1 || day > maxDayOfMonth ||
-                hour < 0 || hour >= 24 || min < 0 || min >= 60 || sec < 0 || sec >= 60) {
-            break;
-        }
-
-        isValid = TRUE;
-    } while(false);
-
-    if (!isValid) {
-        status = U_INVALID_FORMAT_ERROR;
-        return 0.0;
-    }
-    // Calculate the time
-    UDate time = Grego::fieldsToDay(year, month, day) * U_MILLIS_PER_DAY;
-    time += (hour * U_MILLIS_PER_HOUR + min * U_MILLIS_PER_MINUTE + sec * U_MILLIS_PER_SECOND);
-    if (!isUTC) {
-        time -= offset;
-    }
-    return time;
-}
-
-/*
- * Convert RFC2445 utc-offset string to milliseconds
- */
-static int32_t offsetStrToMillis(const UnicodeString& str, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return 0;
-    }
-
-    UBool isValid = FALSE;
-    int32_t sign = 0, hour = 0, min = 0, sec = 0;
-
-    do {
-        int length = str.length();
-        if (length != 5 && length != 7) {
-            // utf-offset must be 5 or 7 characters
-            break;
-        }
-        // sign
-        UChar s = str.charAt(0);
-        if (s == PLUS) {
-            sign = 1;
-        } else if (s == MINUS) {
-            sign = -1;
-        } else {
-            // utf-offset must start with "+" or "-"
-            break;
-        }
-        hour = parseAsciiDigits(str, 1, 2, status);
-        min = parseAsciiDigits(str, 3, 2, status);
-        if (length == 7) {
-            sec = parseAsciiDigits(str, 5, 2, status);
-        }
-        if (U_FAILURE(status)) {
-            break;
-        }
-        isValid = true;
-    } while(false);
-
-    if (!isValid) {
-        status = U_INVALID_FORMAT_ERROR;
-        return 0;
-    }
-    int32_t millis = sign * ((hour * 60 + min) * 60 + sec) * 1000;
-    return millis;
-}
-
-/*
- * Convert milliseconds to RFC2445 utc-offset string
- */
-static void millisToOffset(int32_t millis, UnicodeString& str) {
-    str.remove();
-    if (millis >= 0) {
-        str.append(PLUS);
-    } else {
-        str.append(MINUS);
-        millis = -millis;
-    }
-    int32_t hour, min, sec;
-    int32_t t = millis / 1000;
-
-    sec = t % 60;
-    t = (t - sec) / 60;
-    min = t % 60;
-    hour = t / 60;
-
-    appendAsciiDigits(hour, 2, str);
-    appendAsciiDigits(min, 2, str);
-    appendAsciiDigits(sec, 2, str);
-}
-
-/*
- * Create a default TZNAME from TZID
- */
-static void getDefaultTZName(const UnicodeString tzid, UBool isDST, UnicodeString& zonename) {
-    zonename = tzid;
-    if (isDST) {
-        zonename += UNICODE_STRING_SIMPLE("(DST)");
-    } else {
-        zonename += UNICODE_STRING_SIMPLE("(STD)");
-    }
-}
-
-/*
- * Parse individual RRULE
- * 
- * On return -
- * 
- * month    calculated by BYMONTH-1, or -1 when not found
- * dow      day of week in BYDAY, or 0 when not found
- * wim      day of week ordinal number in BYDAY, or 0 when not found
- * dom      an array of day of month
- * domCount number of availble days in dom (domCount is specifying the size of dom on input)
- * until    time defined by UNTIL attribute or MIN_MILLIS if not available
- */
-static void parseRRULE(const UnicodeString& rrule, int32_t& month, int32_t& dow, int32_t& wim,
-                       int32_t* dom, int32_t& domCount, UDate& until, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    int32_t numDom = 0;
-
-    month = -1;
-    dow = 0;
-    wim = 0;
-    until = MIN_MILLIS;
-
-    UBool yearly = FALSE;
-    //UBool parseError = FALSE;
-
-    int32_t prop_start = 0;
-    int32_t prop_end;
-    UnicodeString prop, attr, value;
-    UBool nextProp = TRUE;
-
-    while (nextProp) {
-        prop_end = rrule.indexOf(SEMICOLON, prop_start);
-        if (prop_end == -1) {
-            prop.setTo(rrule, prop_start);
-            nextProp = FALSE;
-        } else {
-            prop.setTo(rrule, prop_start, prop_end - prop_start);
-            prop_start = prop_end + 1;
-        }
-        int32_t eql = prop.indexOf(EQUALS_SIGN);
-        if (eql != -1) {
-            attr.setTo(prop, 0, eql);
-            value.setTo(prop, eql + 1);
-        } else {
-            goto rruleParseError;
-        }
-
-        if (attr.compare(ICAL_FREQ, -1) == 0) {
-            // only support YEARLY frequency type
-            if (value.compare(ICAL_YEARLY, -1) == 0) {
-                yearly = TRUE;
-            } else {
-                goto rruleParseError;
-            }
-        } else if (attr.compare(ICAL_UNTIL, -1) == 0) {
-            // ISO8601 UTC format, for example, "20060315T020000Z"
-            until = parseDateTimeString(value, 0, status);
-            if (U_FAILURE(status)) {
-                goto rruleParseError;
-            }
-        } else if (attr.compare(ICAL_BYMONTH, -1) == 0) {
-            // Note: BYMONTH may contain multiple months, but only single month make sense for
-            // VTIMEZONE property.
-            if (value.length() > 2) {
-                goto rruleParseError;
-            }
-            month = parseAsciiDigits(value, 0, value.length(), status) - 1;
-            if (U_FAILURE(status) || month < 0 || month >= 12) {
-                goto rruleParseError;
-            }
-        } else if (attr.compare(ICAL_BYDAY, -1) == 0) {
-            // Note: BYDAY may contain multiple day of week separated by comma.  It is unlikely used for
-            // VTIMEZONE property.  We do not support the case.
-
-            // 2-letter format is used just for representing a day of week, for example, "SU" for Sunday
-            // 3 or 4-letter format is used for represeinging Nth day of week, for example, "-1SA" for last Saturday
-            int32_t length = value.length();
-            if (length < 2 || length > 4) {
-                goto rruleParseError;
-            }
-            if (length > 2) {
-                // Nth day of week
-                int32_t sign = 1;
-                if (value.charAt(0) == PLUS) {
-                    sign = 1;
-                } else if (value.charAt(0) == MINUS) {
-                    sign = -1;
-                } else if (length == 4) {
-                    goto rruleParseError;
-                }
-                int32_t n = parseAsciiDigits(value, length - 3, 1, status);
-                if (U_FAILURE(status) || n == 0 || n > 4) {
-                    goto rruleParseError;
-                }
-                wim = n * sign;
-                value.remove(0, length - 2);
-            }
-            int32_t wday;
-            for (wday = 0; wday < 7; wday++) {
-                if (value.compare(ICAL_DOW_NAMES[wday], 2) == 0) {
-                    break;
-                }
-            }
-            if (wday < 7) {
-                // Sunday(1) - Saturday(7)
-                dow = wday + 1;
-            } else {
-                goto rruleParseError;
-            }
-        } else if (attr.compare(ICAL_BYMONTHDAY, -1) == 0) {
-            // Note: BYMONTHDAY may contain multiple days delimitted by comma
-            //
-            // A value of BYMONTHDAY could be negative, for example, -1 means
-            // the last day in a month
-            int32_t dom_idx = 0;
-            int32_t dom_start = 0;
-            int32_t dom_end;
-            UBool nextDOM = TRUE;
-            while (nextDOM) {
-                dom_end = value.indexOf(COMMA, dom_start);
-                if (dom_end == -1) {
-                    dom_end = value.length();
-                    nextDOM = FALSE;
-                }
-                if (dom_idx < domCount) {
-                    dom[dom_idx] = parseAsciiDigits(value, dom_start, dom_end - dom_start, status);
-                    if (U_FAILURE(status)) {
-                        goto rruleParseError;
-                    }
-                    dom_idx++;
-                } else {
-                    status = U_BUFFER_OVERFLOW_ERROR;
-                    goto rruleParseError;
-                }
-                dom_start = dom_end + 1;
-            }
-            numDom = dom_idx;
-        }
-    }
-    if (!yearly) {
-        // FREQ=YEARLY must be set
-        goto rruleParseError;
-    }
-    // Set actual number of parsed DOM (ICAL_BYMONTHDAY)
-    domCount = numDom;
-    return;
-
-rruleParseError:
-    if (U_SUCCESS(status)) {
-        // Set error status
-        status = U_INVALID_FORMAT_ERROR;
-    }
-}
-
-static TimeZoneRule* createRuleByRRULE(const UnicodeString& zonename, int rawOffset, int dstSavings, UDate start,
-                                       UVector* dates, int fromOffset, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return NULL;
-    }
-    if (dates == NULL || dates->size() == 0) {
-        status = U_ILLEGAL_ARGUMENT_ERROR;
-        return NULL;
-    }
-
-    int32_t i, j;
-    DateTimeRule *adtr = NULL;
-
-    // Parse the first rule
-    UnicodeString rrule = *((UnicodeString*)dates->elementAt(0));
-    int32_t month, dayOfWeek, nthDayOfWeek, dayOfMonth = 0;
-    int32_t days[7];
-    int32_t daysCount = sizeof(days)/sizeof(days[0]);
-    UDate until;
-
-    parseRRULE(rrule, month, dayOfWeek, nthDayOfWeek, days, daysCount, until, status);
-    if (U_FAILURE(status)) {
-        return NULL;
-    }
-
-    if (dates->size() == 1) {
-        // No more rules
-        if (daysCount > 1) {
-            // Multiple BYMONTHDAY values
-            if (daysCount != 7 || month == -1 || dayOfWeek == 0) {
-                // Only support the rule using 7 continuous days
-                // BYMONTH and BYDAY must be set at the same time
-                goto unsupportedRRule;
-            }
-            int32_t firstDay = 31; // max possible number of dates in a month
-            for (i = 0; i < 7; i++) {
-                // Resolve negative day numbers.  A negative day number should
-                // not be used in February, but if we see such case, we use 28
-                // as the base.
-                if (days[i] < 0) {
-                    days[i] = MONTHLENGTH[month] + days[i] + 1;
-                }
-                if (days[i] < firstDay) {
-                    firstDay = days[i];
-                }
-            }
-            // Make sure days are continuous
-            for (i = 1; i < 7; i++) {
-                UBool found = FALSE;
-                for (j = 0; j < 7; j++) {
-                    if (days[j] == firstDay + i) {
-                        found = TRUE;
-                        break;
-                    }
-                }
-                if (!found) {
-                    // days are not continuous
-                    goto unsupportedRRule;
-                }
-            }
-            // Use DOW_GEQ_DOM rule with firstDay as the start date
-            dayOfMonth = firstDay;
-        }
-    } else {
-        // Check if BYMONTH + BYMONTHDAY + BYDAY rule with multiple RRULE lines.
-        // Otherwise, not supported.
-        if (month == -1 || dayOfWeek == 0 || daysCount == 0) {
-            // This is not the case
-            goto unsupportedRRule;
-        }
-        // Parse the rest of rules if number of rules is not exceeding 7.
-        // We can only support 7 continuous days starting from a day of month.
-        if (dates->size() > 7) {
-            goto unsupportedRRule;
-        }
-
-        // Note: To check valid date range across multiple rule is a little
-        // bit complicated.  For now, this code is not doing strict range
-        // checking across month boundary
-
-        int32_t earliestMonth = month;
-        int32_t earliestDay = 31;
-        for (i = 0; i < daysCount; i++) {
-            int32_t dom = days[i];
-            dom = dom > 0 ? dom : MONTHLENGTH[month] + dom + 1;
-            earliestDay = dom < earliestDay ? dom : earliestDay;
-        }
-
-        int32_t anotherMonth = -1;
-        for (i = 1; i < dates->size(); i++) {
-            rrule = *((UnicodeString*)dates->elementAt(i));
-            UDate tmp_until;
-            int32_t tmp_month, tmp_dayOfWeek, tmp_nthDayOfWeek;
-            int32_t tmp_days[7];
-            int32_t tmp_daysCount = sizeof(tmp_days)/sizeof(tmp_days[0]);
-            parseRRULE(rrule, tmp_month, tmp_dayOfWeek, tmp_nthDayOfWeek, tmp_days, tmp_daysCount, tmp_until, status);
-            if (U_FAILURE(status)) {
-                return NULL;
-            }
-            // If UNTIL is newer than previous one, use the one
-            if (tmp_until > until) {
-                until = tmp_until;
-            }
-            
-            // Check if BYMONTH + BYMONTHDAY + BYDAY rule
-            if (tmp_month == -1 || tmp_dayOfWeek == 0 || tmp_daysCount == 0) {
-                goto unsupportedRRule;
-            }
-            // Count number of BYMONTHDAY
-            if (daysCount + tmp_daysCount > 7) {
-                // We cannot support BYMONTHDAY more than 7
-                goto unsupportedRRule;
-            }
-            // Check if the same BYDAY is used.  Otherwise, we cannot
-            // support the rule
-            if (tmp_dayOfWeek != dayOfWeek) {
-                goto unsupportedRRule;
-            }
-            // Check if the month is same or right next to the primary month
-            if (tmp_month != month) {
-                if (anotherMonth == -1) {
-                    int32_t diff = tmp_month - month;
-                    if (diff == -11 || diff == -1) {
-                        // Previous month
-                        anotherMonth = tmp_month;
-                        earliestMonth = anotherMonth;
-                        // Reset earliest day
-                        earliestDay = 31;
-                    } else if (diff == 11 || diff == 1) {
-                        // Next month
-                        anotherMonth = tmp_month;
-                    } else {
-                        // The day range cannot exceed more than 2 months
-                        goto unsupportedRRule;
-                    }
-                } else if (tmp_month != month && tmp_month != anotherMonth) {
-                    // The day range cannot exceed more than 2 months
-                    goto unsupportedRRule;
-                }
-            }
-            // If ealier month, go through days to find the earliest day
-            if (tmp_month == earliestMonth) {
-                for (j = 0; j < tmp_daysCount; j++) {
-                    tmp_days[j] = tmp_days[j] > 0 ? tmp_days[j] : MONTHLENGTH[tmp_month] + tmp_days[j] + 1;
-                    earliestDay = tmp_days[j] < earliestDay ? tmp_days[j] : earliestDay;
-                }
-            }
-            daysCount += tmp_daysCount;
-        }
-        if (daysCount != 7) {
-            // Number of BYMONTHDAY entries must be 7
-            goto unsupportedRRule;
-        }
-        month = earliestMonth;
-        dayOfMonth = earliestDay;
-    }
-
-    // Calculate start/end year and missing fields
-    int32_t startYear, startMonth, startDOM, startDOW, startDOY, startMID;
-    Grego::timeToFields(start + fromOffset, startYear, startMonth, startDOM,
-        startDOW, startDOY, startMID);
-    if (month == -1) {
-        // If BYMONTH is not set, use the month of DTSTART
-        month = startMonth;
-    }
-    if (dayOfWeek == 0 && nthDayOfWeek == 0 && dayOfMonth == 0) {
-        // If only YEARLY is set, use the day of DTSTART as BYMONTHDAY
-        dayOfMonth = startDOM;
-    }
-
-    int32_t endYear;
-    if (until != MIN_MILLIS) {
-        int32_t endMonth, endDOM, endDOW, endDOY, endMID;
-        Grego::timeToFields(until, endYear, endMonth, endDOM, endDOW, endDOY, endMID);
-    } else {
-        endYear = AnnualTimeZoneRule::MAX_YEAR;
-    }
-
-    // Create the AnnualDateTimeRule
-    if (dayOfWeek == 0 && nthDayOfWeek == 0 && dayOfMonth != 0) {
-        // Day in month rule, for example, 15th day in the month
-        adtr = new DateTimeRule(month, dayOfMonth, startMID, DateTimeRule::WALL_TIME);
-    } else if (dayOfWeek != 0 && nthDayOfWeek != 0 && dayOfMonth == 0) {
-        // Nth day of week rule, for example, last Sunday
-        adtr = new DateTimeRule(month, nthDayOfWeek, dayOfWeek, startMID, DateTimeRule::WALL_TIME);
-    } else if (dayOfWeek != 0 && nthDayOfWeek == 0 && dayOfMonth != 0) {
-        // First day of week after day of month rule, for example,
-        // first Sunday after 15th day in the month
-        adtr = new DateTimeRule(month, dayOfMonth, dayOfWeek, TRUE, startMID, DateTimeRule::WALL_TIME);
-    }
-    if (adtr == NULL) {
-        goto unsupportedRRule;
-    }
-    return new AnnualTimeZoneRule(zonename, rawOffset, dstSavings, adtr, startYear, endYear);
-
-unsupportedRRule:
-    status = U_INVALID_STATE_ERROR;
-    return NULL;
-}
-
-/*
- * Create a TimeZoneRule by the RDATE definition
- */
-static TimeZoneRule* createRuleByRDATE(const UnicodeString& zonename, int32_t rawOffset, int32_t dstSavings,
-                                       UDate start, UVector* dates, int32_t fromOffset, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return NULL;
-    }
-    TimeArrayTimeZoneRule *retVal = NULL;
-    if (dates == NULL || dates->size() == 0) {
-        // When no RDATE line is provided, use start (DTSTART)
-        // as the transition time
-        retVal = new TimeArrayTimeZoneRule(zonename, rawOffset, dstSavings,
-            &start, 1, DateTimeRule::UTC_TIME);
-    } else {
-        // Create an array of transition times
-        int32_t size = dates->size();
-        UDate* times = (UDate*)uprv_malloc(sizeof(UDate) * size);
-        if (times == NULL) {
-            status = U_MEMORY_ALLOCATION_ERROR;
-            return NULL;
-        }
-        for (int32_t i = 0; i < size; i++) {
-            UnicodeString *datestr = (UnicodeString*)dates->elementAt(i);
-            times[i] = parseDateTimeString(*datestr, fromOffset, status);
-            if (U_FAILURE(status)) {
-                uprv_free(times);
-                return NULL;
-            }
-        }
-        retVal = new TimeArrayTimeZoneRule(zonename, rawOffset, dstSavings,
-            times, size, DateTimeRule::UTC_TIME);
-        uprv_free(times);
-    }
-    return retVal;
-}
-
-/*
- * Check if the DOW rule specified by month, weekInMonth and dayOfWeek is equivalent
- * to the DateTimerule.
- */
-static UBool isEquivalentDateRule(int32_t month, int32_t weekInMonth, int32_t dayOfWeek, const DateTimeRule *dtrule) {
-    if (month != dtrule->getRuleMonth() || dayOfWeek != dtrule->getRuleDayOfWeek()) {
-        return FALSE;
-    }
-    if (dtrule->getTimeRuleType() != DateTimeRule::WALL_TIME) {
-        // Do not try to do more intelligent comparison for now.
-        return FALSE;
-    }
-    if (dtrule->getDateRuleType() == DateTimeRule::DOW
-            && dtrule->getRuleWeekInMonth() == weekInMonth) {
-        return TRUE;
-    }
-    int32_t ruleDOM = dtrule->getRuleDayOfMonth();
-    if (dtrule->getDateRuleType() == DateTimeRule::DOW_GEQ_DOM) {
-        if (ruleDOM%7 == 1 && (ruleDOM + 6)/7 == weekInMonth) {
-            return TRUE;
-        }
-        if (month != UCAL_FEBRUARY && (MONTHLENGTH[month] - ruleDOM)%7 == 6
-                && weekInMonth == -1*((MONTHLENGTH[month]-ruleDOM+1)/7)) {
-            return TRUE;
-        }
-    }
-    if (dtrule->getDateRuleType() == DateTimeRule::DOW_LEQ_DOM) {
-        if (ruleDOM%7 == 0 && ruleDOM/7 == weekInMonth) {
-            return TRUE;
-        }
-        if (month != UCAL_FEBRUARY && (MONTHLENGTH[month] - ruleDOM)%7 == 0
-                && weekInMonth == -1*((MONTHLENGTH[month] - ruleDOM)/7 + 1)) {
-            return TRUE;
-        }
-    }
-    return FALSE;
-}
-
-/*
- * Convert the rule to its equivalent rule using WALL_TIME mode.
- * This function returns NULL when the specified DateTimeRule is already
- * using WALL_TIME mode.
- */
-static DateTimeRule* toWallTimeRule(const DateTimeRule* rule, int32_t rawOffset, int32_t dstSavings) {
-    if (rule->getTimeRuleType() == DateTimeRule::WALL_TIME) {
-        return NULL;
-    }
-    int32_t wallt = rule->getRuleMillisInDay();
-    if (rule->getTimeRuleType() == DateTimeRule::UTC_TIME) {
-        wallt += (rawOffset + dstSavings);
-    } else if (rule->getTimeRuleType() == DateTimeRule::STANDARD_TIME) {
-        wallt += dstSavings;
-    }
-
-    int32_t month = -1, dom = 0, dow = 0;
-    DateTimeRule::DateRuleType dtype;
-    int32_t dshift = 0;
-    if (wallt < 0) {
-        dshift = -1;
-        wallt += U_MILLIS_PER_DAY;
-    } else if (wallt >= U_MILLIS_PER_DAY) {
-        dshift = 1;
-        wallt -= U_MILLIS_PER_DAY;
-    }
-
-    month = rule->getRuleMonth();
-    dom = rule->getRuleDayOfMonth();
-    dow = rule->getRuleDayOfWeek();
-    dtype = rule->getDateRuleType();
-
-    if (dshift != 0) {
-        if (dtype == DateTimeRule::DOW) {
-            // Convert to DOW_GEW_DOM or DOW_LEQ_DOM rule first
-            int32_t wim = rule->getRuleWeekInMonth();
-            if (wim > 0) {
-                dtype = DateTimeRule::DOW_GEQ_DOM;
-                dom = 7 * (wim - 1) + 1;
-            } else {
-                dtype = DateTimeRule::DOW_LEQ_DOM;
-                dom = MONTHLENGTH[month] + 7 * (wim + 1);
-            }
-        }
-        // Shift one day before or after
-        dom += dshift;
-        if (dom == 0) {
-            month--;
-            month = month < UCAL_JANUARY ? UCAL_DECEMBER : month;
-            dom = MONTHLENGTH[month];
-        } else if (dom > MONTHLENGTH[month]) {
-            month++;
-            month = month > UCAL_DECEMBER ? UCAL_JANUARY : month;
-            dom = 1;
-        }
-        if (dtype != DateTimeRule::DOM) {
-            // Adjust day of week
-            dow += dshift;
-            if (dow < UCAL_SUNDAY) {
-                dow = UCAL_SATURDAY;
-            } else if (dow > UCAL_SATURDAY) {
-                dow = UCAL_SUNDAY;
-            }
-        }
-    }
-    // Create a new rule
-    DateTimeRule *modifiedRule;
-    if (dtype == DateTimeRule::DOM) {
-        modifiedRule = new DateTimeRule(month, dom, wallt, DateTimeRule::WALL_TIME);
-    } else {
-        modifiedRule = new DateTimeRule(month, dom, dow,
-            (dtype == DateTimeRule::DOW_GEQ_DOM), wallt, DateTimeRule::WALL_TIME);
-    }
-    return modifiedRule;
-}
-
-/*
- * Minumum implementations of stream writer/reader, writing/reading
- * UnicodeString.  For now, we do not want to introduce the dependency
- * on the ICU I/O stream in this module.  But we want to keep the code
- * equivalent to the ICU4J implementation, which utilizes java.io.Writer/
- * Reader.
- */
-class VTZWriter {
-public:
-    VTZWriter(UnicodeString& out);
-    ~VTZWriter();
-
-    void write(const UnicodeString& str);
-    void write(UChar ch);
-    void write(const UChar* str);
-    //void write(const UChar* str, int32_t length);
-private:
-    UnicodeString* out;
-};
-
-VTZWriter::VTZWriter(UnicodeString& output) {
-    out = &output;
-}
-
-VTZWriter::~VTZWriter() {
-}
-
-void
-VTZWriter::write(const UnicodeString& str) {
-    out->append(str);
-}
-
-void
-VTZWriter::write(UChar ch) {
-    out->append(ch);
-}
-
-void
-VTZWriter::write(const UChar* str) {
-    out->append(str, -1);
-}
-
-/*
-void
-VTZWriter::write(const UChar* str, int32_t length) {
-    out->append(str, length);
-}
-*/
-
-class VTZReader {
-public:
-    VTZReader(const UnicodeString& input);
-    ~VTZReader();
-
-    UChar read(void);
-private:
-    const UnicodeString* in;
-    int32_t index;
-};
-
-VTZReader::VTZReader(const UnicodeString& input) {
-    in = &input;
-    index = 0;
-}
-
-VTZReader::~VTZReader() {
-}
-
-UChar
-VTZReader::read(void) {
-    UChar ch = 0xFFFF;
-    if (index < in->length()) {
-        ch = in->charAt(index);
-    }
-    index++;
-    return ch;
-}
-
-
-UOBJECT_DEFINE_RTTI_IMPLEMENTATION(VTimeZone)
-
-VTimeZone::VTimeZone()
-:   BasicTimeZone(), tz(NULL), vtzlines(NULL),
-    lastmod(MAX_MILLIS) {
-}
-
-VTimeZone::VTimeZone(const VTimeZone& source)
-:   BasicTimeZone(source), tz(NULL), vtzlines(NULL),
-    tzurl(source.tzurl), lastmod(source.lastmod),
-    olsonzid(source.olsonzid), icutzver(source.icutzver) {
-    if (source.tz != NULL) {
-        tz = (BasicTimeZone*)source.tz->clone();
-    }
-    if (source.vtzlines != NULL) {
-        UErrorCode status = U_ZERO_ERROR;
-        int32_t size = source.vtzlines->size();
-        vtzlines = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, size, status);
-        if (U_SUCCESS(status)) {
-            for (int32_t i = 0; i < size; i++) {
-                UnicodeString *line = (UnicodeString*)source.vtzlines->elementAt(i);
-                vtzlines->addElement(line->clone(), status);
-                if (U_FAILURE(status)) {
-                    break;
-                }
-            }
-        }
-        if (U_FAILURE(status) && vtzlines != NULL) {
-            delete vtzlines;
-        }
-    }
-}
-
-VTimeZone::~VTimeZone() {
-    if (tz != NULL) {
-        delete tz;
-    }
-    if (vtzlines != NULL) {
-        delete vtzlines;
-    }
-}
-
-VTimeZone&
-VTimeZone::operator=(const VTimeZone& right) {
-    if (this == &right) {
-        return *this;
-    }
-    if (*this != right) {
-        BasicTimeZone::operator=(right);
-        if (tz != NULL) {
-            delete tz;
-            tz = NULL;
-        }
-        if (right.tz != NULL) {
-            tz = (BasicTimeZone*)right.tz->clone();
-        }
-        if (vtzlines != NULL) {
-            delete vtzlines;
-        }
-        if (right.vtzlines != NULL) {
-            UErrorCode status = U_ZERO_ERROR;
-            int32_t size = right.vtzlines->size();
-            vtzlines = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, size, status);
-            if (U_SUCCESS(status)) {
-                for (int32_t i = 0; i < size; i++) {
-                    UnicodeString *line = (UnicodeString*)right.vtzlines->elementAt(i);
-                    vtzlines->addElement(line->clone(), status);
-                    if (U_FAILURE(status)) {
-                        break;
-                    }
-                }
-            }
-            if (U_FAILURE(status) && vtzlines != NULL) {
-                delete vtzlines;
-                vtzlines = NULL;
-            }
-        }
-        tzurl = right.tzurl;
-        lastmod = right.lastmod;
-        olsonzid = right.olsonzid;
-        icutzver = right.icutzver;
-    }
-    return *this;
-}
-
-UBool
-VTimeZone::operator==(const TimeZone& that) const {
-    if (this == &that) {
-        return TRUE;
-    }
-    if (typeid(*this) != typeid(that) || !BasicTimeZone::operator==(that)) {
-        return FALSE;
-    }
-    VTimeZone *vtz = (VTimeZone*)&that;
-    if (*tz == *(vtz->tz)
-        && tzurl == vtz->tzurl
-        && lastmod == vtz->lastmod
-        /* && olsonzid = that.olsonzid */
-        /* && icutzver = that.icutzver */) {
-        return TRUE;
-    }
-    return FALSE;
-}
-
-UBool
-VTimeZone::operator!=(const TimeZone& that) const {
-    return !operator==(that);
-}
-
-VTimeZone*
-VTimeZone::createVTimeZoneByID(const UnicodeString& ID) {
-    VTimeZone *vtz = new VTimeZone();
-    vtz->tz = (BasicTimeZone*)TimeZone::createTimeZone(ID);
-    vtz->tz->getID(vtz->olsonzid);
-
-    // Set ICU tzdata version
-    UErrorCode status = U_ZERO_ERROR;
-    UResourceBundle *bundle = NULL;
-    const UChar* versionStr = NULL;
-    int32_t len = 0;
-    bundle = ures_openDirect(NULL, "zoneinfo64", &status);
-    versionStr = ures_getStringByKey(bundle, "TZVersion", &len, &status);
-    if (U_SUCCESS(status)) {
-        vtz->icutzver.setTo(versionStr, len);
-    }
-    ures_close(bundle);
-    return vtz;
-}
-
-VTimeZone*
-VTimeZone::createVTimeZoneFromBasicTimeZone(const BasicTimeZone& basic_time_zone, UErrorCode &status) {
-    if (U_FAILURE(status)) {
-        return NULL;
-    }
-    VTimeZone *vtz = new VTimeZone();
-    if (vtz == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        return NULL;
-    }
-    vtz->tz = (BasicTimeZone *)basic_time_zone.clone();
-    if (vtz->tz == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        delete vtz;
-        return NULL;
-    }
-    vtz->tz->getID(vtz->olsonzid);
-
-    // Set ICU tzdata version
-    UResourceBundle *bundle = NULL;
-    const UChar* versionStr = NULL;
-    int32_t len = 0;
-    bundle = ures_openDirect(NULL, "zoneinfo64", &status);
-    versionStr = ures_getStringByKey(bundle, "TZVersion", &len, &status);
-    if (U_SUCCESS(status)) {
-        vtz->icutzver.setTo(versionStr, len);
-    }
-    ures_close(bundle);
-    return vtz;
-}
-
-VTimeZone*
-VTimeZone::createVTimeZone(const UnicodeString& vtzdata, UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return NULL;
-    }
-    VTZReader reader(vtzdata);
-    VTimeZone *vtz = new VTimeZone();
-    vtz->load(reader, status);
-    if (U_FAILURE(status)) {
-        delete vtz;
-        return NULL;
-    }
-    return vtz;
-}
-
-UBool
-VTimeZone::getTZURL(UnicodeString& url) const {
-    if (tzurl.length() > 0) {
-        url = tzurl;
-        return TRUE;
-    }
-    return FALSE;
-}
-
-void
-VTimeZone::setTZURL(const UnicodeString& url) {
-    tzurl = url;
-}
-
-UBool
-VTimeZone::getLastModified(UDate& lastModified) const {
-    if (lastmod != MAX_MILLIS) {
-        lastModified = lastmod;
-        return TRUE;
-    }
-    return FALSE;
-}
-
-void
-VTimeZone::setLastModified(UDate lastModified) {
-    lastmod = lastModified;
-}
-
-void
-VTimeZone::write(UnicodeString& result, UErrorCode& status) const {
-    result.remove();
-    VTZWriter writer(result);
-    write(writer, status);
-}
-
-void
-VTimeZone::write(UDate start, UnicodeString& result, UErrorCode& status) /*const*/ {
-    result.remove();
-    VTZWriter writer(result);
-    write(start, writer, status);
-}
-
-void
-VTimeZone::writeSimple(UDate time, UnicodeString& result, UErrorCode& status) /*const*/ {
-    result.remove();
-    VTZWriter writer(result);
-    writeSimple(time, writer, status);
-}
-
-TimeZone*
-VTimeZone::clone(void) const {
-    return new VTimeZone(*this);
-}
-
-int32_t
-VTimeZone::getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
-                     uint8_t dayOfWeek, int32_t millis, UErrorCode& status) const {
-    return tz->getOffset(era, year, month, day, dayOfWeek, millis, status);
-}
-
-int32_t
-VTimeZone::getOffset(uint8_t era, int32_t year, int32_t month, int32_t day,
-                     uint8_t dayOfWeek, int32_t millis,
-                     int32_t monthLength, UErrorCode& status) const {
-    return tz->getOffset(era, year, month, day, dayOfWeek, millis, monthLength, status);
-}
-
-void
-VTimeZone::getOffset(UDate date, UBool local, int32_t& rawOffset,
-                     int32_t& dstOffset, UErrorCode& status) const {
-    return tz->getOffset(date, local, rawOffset, dstOffset, status);
-}
-
-void
-VTimeZone::setRawOffset(int32_t offsetMillis) {
-    tz->setRawOffset(offsetMillis);
-}
-
-int32_t
-VTimeZone::getRawOffset(void) const {
-    return tz->getRawOffset();
-}
-
-UBool
-VTimeZone::useDaylightTime(void) const {
-    return tz->useDaylightTime();
-}
-
-UBool
-VTimeZone::inDaylightTime(UDate date, UErrorCode& status) const {
-    return tz->inDaylightTime(date, status);
-}
-
-UBool
-VTimeZone::hasSameRules(const TimeZone& other) const {
-    return tz->hasSameRules(other);
-}
-
-UBool
-VTimeZone::getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/ {
-    return tz->getNextTransition(base, inclusive, result);
-}
-
-UBool
-VTimeZone::getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) /*const*/ {
-    return tz->getPreviousTransition(base, inclusive, result);
-}
-
-int32_t
-VTimeZone::countTransitionRules(UErrorCode& status) /*const*/ {
-    return tz->countTransitionRules(status);
-}
-
-void
-VTimeZone::getTimeZoneRules(const InitialTimeZoneRule*& initial,
-                            const TimeZoneRule* trsrules[], int32_t& trscount,
-                            UErrorCode& status) /*const*/ {
-    tz->getTimeZoneRules(initial, trsrules, trscount, status);
-}
-
-void
-VTimeZone::load(VTZReader& reader, UErrorCode& status) {
-    vtzlines = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, DEFAULT_VTIMEZONE_LINES, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    UBool eol = FALSE;
-    UBool start = FALSE;
-    UBool success = FALSE;
-    UnicodeString line;
-
-    while (TRUE) {
-        UChar ch = reader.read();
-        if (ch == 0xFFFF) {
-            // end of file
-            if (start && line.startsWith(ICAL_END_VTIMEZONE, -1)) {
-                vtzlines->addElement(new UnicodeString(line), status);
-                if (U_FAILURE(status)) {
-                    goto cleanupVtzlines;
-                }
-                success = TRUE;
-            }
-            break;
-        }
-        if (ch == 0x000D) {
-            // CR, must be followed by LF according to the definition in RFC2445
-            continue;
-        }
-        if (eol) {
-            if (ch != 0x0009 && ch != 0x0020) {
-                // NOT followed by TAB/SP -> new line
-                if (start) {
-                    if (line.length() > 0) {
-                        vtzlines->addElement(new UnicodeString(line), status);
-                        if (U_FAILURE(status)) {
-                            goto cleanupVtzlines;
-                        }
-                    }
-                }
-                line.remove();
-                if (ch != 0x000A) {
-                    line.append(ch);
-                }
-            }
-            eol = FALSE;
-        } else {
-            if (ch == 0x000A) {
-                // LF
-                eol = TRUE;
-                if (start) {
-                    if (line.startsWith(ICAL_END_VTIMEZONE, -1)) {
-                        vtzlines->addElement(new UnicodeString(line), status);
-                        if (U_FAILURE(status)) {
-                            goto cleanupVtzlines;
-                        }
-                        success = TRUE;
-                        break;
-                    }
-                } else {
-                    if (line.startsWith(ICAL_BEGIN_VTIMEZONE, -1)) {
-                        vtzlines->addElement(new UnicodeString(line), status);
-                        if (U_FAILURE(status)) {
-                            goto cleanupVtzlines;
-                        }
-                        line.remove();
-                        start = TRUE;
-                        eol = FALSE;
-                    }
-                }
-            } else {
-                line.append(ch);
-            }
-        }
-    }
-    if (!success) {
-        if (U_SUCCESS(status)) {
-            status = U_INVALID_STATE_ERROR;
-        }
-        goto cleanupVtzlines;
-    }
-    parse(status);
-    return;
-
-cleanupVtzlines:
-    delete vtzlines;
-    vtzlines = NULL;
-}
-
-// parser state
-#define INI 0   // Initial state
-#define VTZ 1   // In VTIMEZONE
-#define TZI 2   // In STANDARD or DAYLIGHT
-
-#define DEF_DSTSAVINGS (60*60*1000)
-#define DEF_TZSTARTTIME (0.0)
-
-void
-VTimeZone::parse(UErrorCode& status) {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    if (vtzlines == NULL || vtzlines->size() == 0) {
-        status = U_INVALID_STATE_ERROR;
-        return;
-    }
-    InitialTimeZoneRule *initialRule = NULL;
-    RuleBasedTimeZone *rbtz = NULL;
-
-    // timezone ID
-    UnicodeString tzid;
-
-    int32_t state = INI;
-    int32_t n = 0;
-    UBool dst = FALSE;      // current zone type
-    UnicodeString from;     // current zone from offset
-    UnicodeString to;       // current zone offset
-    UnicodeString zonename;   // current zone name
-    UnicodeString dtstart;  // current zone starts
-    UBool isRRULE = FALSE;  // true if the rule is described by RRULE
-    int32_t initialRawOffset = 0;   // initial offset
-    int32_t initialDSTSavings = 0;  // initial offset
-    UDate firstStart = MAX_MILLIS;  // the earliest rule start time
-    UnicodeString name;     // RFC2445 prop name
-    UnicodeString value;    // RFC2445 prop value
-
-    UVector *dates = NULL;  // list of RDATE or RRULE strings
-    UVector *rules = NULL;  // list of TimeZoneRule instances
-
-    int32_t finalRuleIdx = -1;
-    int32_t finalRuleCount = 0;
-
-    rules = new UVector(status);
-    if (U_FAILURE(status)) {
-        goto cleanupParse;
-    }
-     // Set the deleter to remove TimeZoneRule vectors to avoid memory leaks due to unowned TimeZoneRules.
-    rules->setDeleter(deleteTimeZoneRule);
-    
-    dates = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status);
-    if (U_FAILURE(status)) {
-        goto cleanupParse;
-    }
-    if (rules == NULL || dates == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanupParse;
-    }
-
-    for (n = 0; n < vtzlines->size(); n++) {
-        UnicodeString *line = (UnicodeString*)vtzlines->elementAt(n);
-        int32_t valueSep = line->indexOf(COLON);
-        if (valueSep < 0) {
-            continue;
-        }
-        name.setTo(*line, 0, valueSep);
-        value.setTo(*line, valueSep + 1);
-
-        switch (state) {
-        case INI:
-            if (name.compare(ICAL_BEGIN, -1) == 0
-                && value.compare(ICAL_VTIMEZONE, -1) == 0) {
-                state = VTZ;
-            }
-            break;
-
-        case VTZ:
-            if (name.compare(ICAL_TZID, -1) == 0) {
-                tzid = value;
-            } else if (name.compare(ICAL_TZURL, -1) == 0) {
-                tzurl = value;
-            } else if (name.compare(ICAL_LASTMOD, -1) == 0) {
-                // Always in 'Z' format, so the offset argument for the parse method
-                // can be any value.
-                lastmod = parseDateTimeString(value, 0, status);
-                if (U_FAILURE(status)) {
-                    goto cleanupParse;
-                }
-            } else if (name.compare(ICAL_BEGIN, -1) == 0) {
-                UBool isDST = (value.compare(ICAL_DAYLIGHT, -1) == 0);
-                if (value.compare(ICAL_STANDARD, -1) == 0 || isDST) {
-                    // tzid must be ready at this point
-                    if (tzid.length() == 0) {
-                        goto cleanupParse;
-                    }
-                    // initialize current zone properties
-                    if (dates->size() != 0) {
-                        dates->removeAllElements();
-                    }
-                    isRRULE = FALSE;
-                    from.remove();
-                    to.remove();
-                    zonename.remove();
-                    dst = isDST;
-                    state = TZI;
-                } else {
-                    // BEGIN property other than STANDARD/DAYLIGHT
-                    // must not be there.
-                    goto cleanupParse;
-                }
-            } else if (name.compare(ICAL_END, -1) == 0) {
-                break;
-            }
-            break;
-        case TZI:
-            if (name.compare(ICAL_DTSTART, -1) == 0) {
-                dtstart = value;
-            } else if (name.compare(ICAL_TZNAME, -1) == 0) {
-                zonename = value;
-            } else if (name.compare(ICAL_TZOFFSETFROM, -1) == 0) {
-                from = value;
-            } else if (name.compare(ICAL_TZOFFSETTO, -1) == 0) {
-                to = value;
-            } else if (name.compare(ICAL_RDATE, -1) == 0) {
-                // RDATE mixed with RRULE is not supported
-                if (isRRULE) {
-                    goto cleanupParse;
-                }
-                // RDATE value may contain multiple date delimited
-                // by comma
-                UBool nextDate = TRUE;
-                int32_t dstart = 0;
-                UnicodeString *dstr;
-                while (nextDate) {
-                    int32_t dend = value.indexOf(COMMA, dstart);
-                    if (dend == -1) {
-                        dstr = new UnicodeString(value, dstart);
-                        nextDate = FALSE;
-                    } else {
-                        dstr = new UnicodeString(value, dstart, dend - dstart);
-                    }
-                    dates->addElement(dstr, status);
-                    if (U_FAILURE(status)) {
-                        goto cleanupParse;
-                    }
-                    dstart = dend + 1;
-                }
-            } else if (name.compare(ICAL_RRULE, -1) == 0) {
-                // RRULE mixed with RDATE is not supported
-                if (!isRRULE && dates->size() != 0) {
-                    goto cleanupParse;
-                }
-                isRRULE = true;
-                dates->addElement(new UnicodeString(value), status);
-                if (U_FAILURE(status)) {
-                    goto cleanupParse;
-                }
-            } else if (name.compare(ICAL_END, -1) == 0) {
-                // Mandatory properties
-                if (dtstart.length() == 0 || from.length() == 0 || to.length() == 0) {
-                    goto cleanupParse;
-                }
-                // if zonename is not available, create one from tzid
-                if (zonename.length() == 0) {
-                    getDefaultTZName(tzid, dst, zonename);
-                }
-
-                // create a time zone rule
-                TimeZoneRule *rule = NULL;
-                int32_t fromOffset = 0;
-                int32_t toOffset = 0;
-                int32_t rawOffset = 0;
-                int32_t dstSavings = 0;
-                UDate start = 0;
-
-                // Parse TZOFFSETFROM/TZOFFSETTO
-                fromOffset = offsetStrToMillis(from, status);
-                toOffset = offsetStrToMillis(to, status);
-                if (U_FAILURE(status)) {
-                    goto cleanupParse;
-                }
-
-                if (dst) {
-                    // If daylight, use the previous offset as rawoffset if positive
-                    if (toOffset - fromOffset > 0) {
-                        rawOffset = fromOffset;
-                        dstSavings = toOffset - fromOffset;
-                    } else {
-                        // This is rare case..  just use 1 hour DST savings
-                        rawOffset = toOffset - DEF_DSTSAVINGS;
-                        dstSavings = DEF_DSTSAVINGS;                                
-                    }
-                } else {
-                    rawOffset = toOffset;
-                    dstSavings = 0;
-                }
-
-                // start time
-                start = parseDateTimeString(dtstart, fromOffset, status);
-                if (U_FAILURE(status)) {
-                    goto cleanupParse;
-                }
-
-                // Create the rule
-                UDate actualStart = MAX_MILLIS;
-                if (isRRULE) {
-                    rule = createRuleByRRULE(zonename, rawOffset, dstSavings, start, dates, fromOffset, status);
-                } else {
-                    rule = createRuleByRDATE(zonename, rawOffset, dstSavings, start, dates, fromOffset, status);
-                }
-                if (U_FAILURE(status) || rule == NULL) {
-                    goto cleanupParse;
-                } else {
-                    UBool startAvail = rule->getFirstStart(fromOffset, 0, actualStart);
-                    if (startAvail && actualStart < firstStart) {
-                        // save from offset information for the earliest rule
-                        firstStart = actualStart;
-                        // If this is STD, assume the time before this transtion
-                        // is DST when the difference is 1 hour.  This might not be
-                        // accurate, but VTIMEZONE data does not have such info.
-                        if (dstSavings > 0) {
-                            initialRawOffset = fromOffset;
-                            initialDSTSavings = 0;
-                        } else {
-                            if (fromOffset - toOffset == DEF_DSTSAVINGS) {
-                                initialRawOffset = fromOffset - DEF_DSTSAVINGS;
-                                initialDSTSavings = DEF_DSTSAVINGS;
-                            } else {
-                                initialRawOffset = fromOffset;
-                                initialDSTSavings = 0;
-                            }
-                        }
-                    }
-                }
-                rules->addElement(rule, status);
-                if (U_FAILURE(status)) {
-                    goto cleanupParse;
-                }
-                state = VTZ;
-            }
-            break;
-        }
-    }
-    // Must have at least one rule
-    if (rules->size() == 0) {
-        goto cleanupParse;
-    }
-
-    // Create a initial rule
-    getDefaultTZName(tzid, FALSE, zonename);
-    initialRule = new InitialTimeZoneRule(zonename,
-        initialRawOffset, initialDSTSavings);
-    if (initialRule == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanupParse;
-    }
-
-    // Finally, create the RuleBasedTimeZone
-    rbtz = new RuleBasedTimeZone(tzid, initialRule);
-    if (rbtz == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanupParse;
-    }
-    initialRule = NULL; // already adopted by RBTZ, no need to delete
-
-    for (n = 0; n < rules->size(); n++) {
-        TimeZoneRule *r = (TimeZoneRule*)rules->elementAt(n);
-        AnnualTimeZoneRule *atzrule = dynamic_cast<AnnualTimeZoneRule *>(r);
-        if (atzrule != NULL) {
-            if (atzrule->getEndYear() == AnnualTimeZoneRule::MAX_YEAR) {
-                finalRuleCount++;
-                finalRuleIdx = n;
-            }
-        }
-    }
-    if (finalRuleCount > 2) {
-        // Too many final rules
-        status = U_ILLEGAL_ARGUMENT_ERROR;
-        goto cleanupParse;
-    }
-
-    if (finalRuleCount == 1) {
-        if (rules->size() == 1) {
-            // Only one final rule, only governs the initial rule,
-            // which is already initialized, thus, we do not need to
-            // add this transition rule
-            rules->removeAllElements();
-        } else {
-            // Normalize the final rule
-            AnnualTimeZoneRule *finalRule = (AnnualTimeZoneRule*)rules->elementAt(finalRuleIdx);
-            int32_t tmpRaw = finalRule->getRawOffset();
-            int32_t tmpDST = finalRule->getDSTSavings();
-
-            // Find the last non-final rule
-            UDate finalStart, start;
-            finalRule->getFirstStart(initialRawOffset, initialDSTSavings, finalStart);
-            start = finalStart;
-            for (n = 0; n < rules->size(); n++) {
-                if (finalRuleIdx == n) {
-                    continue;
-                }
-                TimeZoneRule *r = (TimeZoneRule*)rules->elementAt(n);
-                UDate lastStart;
-                r->getFinalStart(tmpRaw, tmpDST, lastStart);
-                if (lastStart > start) {
-                    finalRule->getNextStart(lastStart,
-                        r->getRawOffset(),
-                        r->getDSTSavings(),
-                        FALSE,
-                        start);
-                }
-            }
-
-            TimeZoneRule *newRule;
-            UnicodeString tznam;
-            if (start == finalStart) {
-                // Transform this into a single transition
-                newRule = new TimeArrayTimeZoneRule(
-                        finalRule->getName(tznam),
-                        finalRule->getRawOffset(),
-                        finalRule->getDSTSavings(),
-                        &finalStart,
-                        1,
-                        DateTimeRule::UTC_TIME);
-            } else {
-                // Update the end year
-                int32_t y, m, d, dow, doy, mid;
-                Grego::timeToFields(start, y, m, d, dow, doy, mid);
-                newRule = new AnnualTimeZoneRule(
-                        finalRule->getName(tznam),
-                        finalRule->getRawOffset(),
-                        finalRule->getDSTSavings(),
-                        *(finalRule->getRule()),
-                        finalRule->getStartYear(),
-                        y);
-            }
-            if (newRule == NULL) {
-                status = U_MEMORY_ALLOCATION_ERROR;
-                goto cleanupParse;
-            }
-            rules->removeElementAt(finalRuleIdx);
-            rules->addElement(newRule, status);
-            if (U_FAILURE(status)) {
-                delete newRule;
-                goto cleanupParse;
-            }
-        }
-    }
-
-    while (!rules->isEmpty()) {
-        TimeZoneRule *tzr = (TimeZoneRule*)rules->orphanElementAt(0);
-        rbtz->addTransitionRule(tzr, status);
-        if (U_FAILURE(status)) {
-            goto cleanupParse;
-        }
-    }
-    rbtz->complete(status);
-    if (U_FAILURE(status)) {
-        goto cleanupParse;
-    }
-    delete rules;
-    delete dates;
-
-    tz = rbtz;
-    setID(tzid);
-    return;
-
-cleanupParse:
-    if (rules != NULL) {
-        while (!rules->isEmpty()) {
-            TimeZoneRule *r = (TimeZoneRule*)rules->orphanElementAt(0);
-            delete r;
-        }
-        delete rules;
-    }
-    if (dates != NULL) {
-        delete dates;
-    }
-    if (initialRule != NULL) {
-        delete initialRule;
-    }
-    if (rbtz != NULL) {
-        delete rbtz;
-    }
-    return;
-}
-
-void
-VTimeZone::write(VTZWriter& writer, UErrorCode& status) const {
-    if (vtzlines != NULL) {
-        for (int32_t i = 0; i < vtzlines->size(); i++) {
-            UnicodeString *line = (UnicodeString*)vtzlines->elementAt(i);
-            if (line->startsWith(ICAL_TZURL, -1)
-                && line->charAt(u_strlen(ICAL_TZURL)) == COLON) {
-                writer.write(ICAL_TZURL);
-                writer.write(COLON);
-                writer.write(tzurl);
-                writer.write(ICAL_NEWLINE);
-            } else if (line->startsWith(ICAL_LASTMOD, -1)
-                && line->charAt(u_strlen(ICAL_LASTMOD)) == COLON) {
-                UnicodeString utcString;
-                writer.write(ICAL_LASTMOD);
-                writer.write(COLON);
-                writer.write(getUTCDateTimeString(lastmod, utcString));
-                writer.write(ICAL_NEWLINE);
-            } else {
-                writer.write(*line);
-                writer.write(ICAL_NEWLINE);
-            }
-        }
-    } else {
-        UVector *customProps = NULL;
-        if (olsonzid.length() > 0 && icutzver.length() > 0) {
-            customProps = new UVector(uprv_deleteUObject, uhash_compareUnicodeString, status);
-            if (U_FAILURE(status)) {
-                return;
-            }
-            UnicodeString *icutzprop = new UnicodeString(ICU_TZINFO_PROP);
-            icutzprop->append(olsonzid);
-            icutzprop->append((UChar)0x005B/*'['*/);
-            icutzprop->append(icutzver);
-            icutzprop->append((UChar)0x005D/*']'*/);
-            customProps->addElement(icutzprop, status);
-            if (U_FAILURE(status)) {
-                delete icutzprop;
-                delete customProps;
-                return;
-            }
-        }
-        writeZone(writer, *tz, customProps, status);
-        delete customProps;
-    }
-}
-
-void
-VTimeZone::write(UDate start, VTZWriter& writer, UErrorCode& status) /*const*/ {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    InitialTimeZoneRule *initial = NULL;
-    UVector *transitionRules = NULL;
-    UVector customProps(uprv_deleteUObject, uhash_compareUnicodeString, status);
-    UnicodeString tzid;
-
-    // Extract rules applicable to dates after the start time
-    getTimeZoneRulesAfter(start, initial, transitionRules, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-
-    // Create a RuleBasedTimeZone with the subset rule
-    getID(tzid);
-    RuleBasedTimeZone rbtz(tzid, initial);
-    if (transitionRules != NULL) {
-        while (!transitionRules->isEmpty()) {
-            TimeZoneRule *tr = (TimeZoneRule*)transitionRules->orphanElementAt(0);
-            rbtz.addTransitionRule(tr, status);
-            if (U_FAILURE(status)) {
-                goto cleanupWritePartial;
-            }
-        }
-        delete transitionRules;
-        transitionRules = NULL;
-    }
-    rbtz.complete(status);
-    if (U_FAILURE(status)) {
-        goto cleanupWritePartial;
-    }
-
-    if (olsonzid.length() > 0 && icutzver.length() > 0) {
-        UnicodeString *icutzprop = new UnicodeString(ICU_TZINFO_PROP);
-        icutzprop->append(olsonzid);
-        icutzprop->append((UChar)0x005B/*'['*/);
-        icutzprop->append(icutzver);
-        icutzprop->append(ICU_TZINFO_PARTIAL, -1);
-        appendMillis(start, *icutzprop);
-        icutzprop->append((UChar)0x005D/*']'*/);
-        customProps.addElement(icutzprop, status);
-        if (U_FAILURE(status)) {
-            delete icutzprop;
-            goto cleanupWritePartial;
-        }
-    }
-    writeZone(writer, rbtz, &customProps, status);
-    return;
-
-cleanupWritePartial:
-    if (initial != NULL) {
-        delete initial;
-    }
-    if (transitionRules != NULL) {
-        while (!transitionRules->isEmpty()) {
-            TimeZoneRule *tr = (TimeZoneRule*)transitionRules->orphanElementAt(0);
-            delete tr;
-        }
-        delete transitionRules;
-    }
-}
-
-void
-VTimeZone::writeSimple(UDate time, VTZWriter& writer, UErrorCode& status) /*const*/ {
-    if (U_FAILURE(status)) {
-        return;
-    }
-
-    UVector customProps(uprv_deleteUObject, uhash_compareUnicodeString, status);
-    UnicodeString tzid;
-
-    // Extract simple rules
-    InitialTimeZoneRule *initial = NULL;
-    AnnualTimeZoneRule *std = NULL, *dst = NULL;
-    getSimpleRulesNear(time, initial, std, dst, status);
-    if (U_SUCCESS(status)) {
-        // Create a RuleBasedTimeZone with the subset rule
-        getID(tzid);
-        RuleBasedTimeZone rbtz(tzid, initial);
-        if (std != NULL && dst != NULL) {
-            rbtz.addTransitionRule(std, status);
-            rbtz.addTransitionRule(dst, status);
-        }
-        if (U_FAILURE(status)) {
-            goto cleanupWriteSimple;
-        }
-
-        if (olsonzid.length() > 0 && icutzver.length() > 0) {
-            UnicodeString *icutzprop = new UnicodeString(ICU_TZINFO_PROP);
-            icutzprop->append(olsonzid);
-            icutzprop->append((UChar)0x005B/*'['*/);
-            icutzprop->append(icutzver);
-            icutzprop->append(ICU_TZINFO_SIMPLE, -1);
-            appendMillis(time, *icutzprop);
-            icutzprop->append((UChar)0x005D/*']'*/);
-            customProps.addElement(icutzprop, status);
-            if (U_FAILURE(status)) {
-                delete icutzprop;
-                goto cleanupWriteSimple;
-            }
-        }
-        writeZone(writer, rbtz, &customProps, status);
-    }
-    return;
-
-cleanupWriteSimple:
-    if (initial != NULL) {
-        delete initial;
-    }
-    if (std != NULL) {
-        delete std;
-    }
-    if (dst != NULL) {
-        delete dst;
-    }
-}
-
-void
-VTimeZone::writeZone(VTZWriter& w, BasicTimeZone& basictz,
-                     UVector* customProps, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writeHeaders(w, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-
-    if (customProps != NULL) {
-        for (int32_t i = 0; i < customProps->size(); i++) {
-            UnicodeString *custprop = (UnicodeString*)customProps->elementAt(i);
-            w.write(*custprop);
-            w.write(ICAL_NEWLINE);
-        }
-    }
-
-    UDate t = MIN_MILLIS;
-    UnicodeString dstName;
-    int32_t dstFromOffset = 0;
-    int32_t dstFromDSTSavings = 0;
-    int32_t dstToOffset = 0;
-    int32_t dstStartYear = 0;
-    int32_t dstMonth = 0;
-    int32_t dstDayOfWeek = 0;
-    int32_t dstWeekInMonth = 0;
-    int32_t dstMillisInDay = 0;
-    UDate dstStartTime = 0.0;
-    UDate dstUntilTime = 0.0;
-    int32_t dstCount = 0;
-    AnnualTimeZoneRule *finalDstRule = NULL;
-
-    UnicodeString stdName;
-    int32_t stdFromOffset = 0;
-    int32_t stdFromDSTSavings = 0;
-    int32_t stdToOffset = 0;
-    int32_t stdStartYear = 0;
-    int32_t stdMonth = 0;
-    int32_t stdDayOfWeek = 0;
-    int32_t stdWeekInMonth = 0;
-    int32_t stdMillisInDay = 0;
-    UDate stdStartTime = 0.0;
-    UDate stdUntilTime = 0.0;
-    int32_t stdCount = 0;
-    AnnualTimeZoneRule *finalStdRule = NULL;
-
-    int32_t year, month, dom, dow, doy, mid;
-    UBool hasTransitions = FALSE;
-    TimeZoneTransition tzt;
-    UBool tztAvail;
-    UnicodeString name;
-    UBool isDst;
-
-    // Going through all transitions
-    while (TRUE) {
-        tztAvail = basictz.getNextTransition(t, FALSE, tzt);
-        if (!tztAvail) {
-            break;
-        }
-        hasTransitions = TRUE;
-        t = tzt.getTime();
-        tzt.getTo()->getName(name);
-        isDst = (tzt.getTo()->getDSTSavings() != 0);
-        int32_t fromOffset = tzt.getFrom()->getRawOffset() + tzt.getFrom()->getDSTSavings();
-        int32_t fromDSTSavings = tzt.getFrom()->getDSTSavings();
-        int32_t toOffset = tzt.getTo()->getRawOffset() + tzt.getTo()->getDSTSavings();
-        Grego::timeToFields(tzt.getTime() + fromOffset, year, month, dom, dow, doy, mid);
-        int32_t weekInMonth = Grego::dayOfWeekInMonth(year, month, dom);
-        UBool sameRule = FALSE;
-        const AnnualTimeZoneRule *atzrule;
-        if (isDst) {
-            if (finalDstRule == NULL
-                && (atzrule = dynamic_cast<const AnnualTimeZoneRule *>(tzt.getTo())) != NULL
-                && atzrule->getEndYear() == AnnualTimeZoneRule::MAX_YEAR
-            ) {
-                finalDstRule = (AnnualTimeZoneRule*)tzt.getTo()->clone();
-            }
-            if (dstCount > 0) {
-                if (year == dstStartYear + dstCount
-                        && name.compare(dstName) == 0
-                        && dstFromOffset == fromOffset
-                        && dstToOffset == toOffset
-                        && dstMonth == month
-                        && dstDayOfWeek == dow
-                        && dstWeekInMonth == weekInMonth
-                        && dstMillisInDay == mid) {
-                    // Update until time
-                    dstUntilTime = t;
-                    dstCount++;
-                    sameRule = TRUE;
-                }
-                if (!sameRule) {
-                    if (dstCount == 1) {
-                        writeZonePropsByTime(w, TRUE, dstName, dstFromOffset, dstToOffset, dstStartTime,
-                                TRUE, status);
-                    } else {
-                        writeZonePropsByDOW(w, TRUE, dstName, dstFromOffset, dstToOffset,
-                                dstMonth, dstWeekInMonth, dstDayOfWeek, dstStartTime, dstUntilTime, status);
-                    }
-                    if (U_FAILURE(status)) {
-                        goto cleanupWriteZone;
-                    }
-                }
-            } 
-            if (!sameRule) {
-                // Reset this DST information
-                dstName = name;
-                dstFromOffset = fromOffset;
-                dstFromDSTSavings = fromDSTSavings;
-                dstToOffset = toOffset;
-                dstStartYear = year;
-                dstMonth = month;
-                dstDayOfWeek = dow;
-                dstWeekInMonth = weekInMonth;
-                dstMillisInDay = mid;
-                dstStartTime = dstUntilTime = t;
-                dstCount = 1;
-            }
-            if (finalStdRule != NULL && finalDstRule != NULL) {
-                break;
-            }
-        } else {
-            if (finalStdRule == NULL
-                && (atzrule = dynamic_cast<const AnnualTimeZoneRule *>(tzt.getTo())) != NULL
-                && atzrule->getEndYear() == AnnualTimeZoneRule::MAX_YEAR
-            ) {
-                finalStdRule = (AnnualTimeZoneRule*)tzt.getTo()->clone();
-            }
-            if (stdCount > 0) {
-                if (year == stdStartYear + stdCount
-                        && name.compare(stdName) == 0
-                        && stdFromOffset == fromOffset
-                        && stdToOffset == toOffset
-                        && stdMonth == month
-                        && stdDayOfWeek == dow
-                        && stdWeekInMonth == weekInMonth
-                        && stdMillisInDay == mid) {
-                    // Update until time
-                    stdUntilTime = t;
-                    stdCount++;
-                    sameRule = TRUE;
-                }
-                if (!sameRule) {
-                    if (stdCount == 1) {
-                        writeZonePropsByTime(w, FALSE, stdName, stdFromOffset, stdToOffset, stdStartTime,
-                                TRUE, status);
-                    } else {
-                        writeZonePropsByDOW(w, FALSE, stdName, stdFromOffset, stdToOffset,
-                                stdMonth, stdWeekInMonth, stdDayOfWeek, stdStartTime, stdUntilTime, status);
-                    }
-                    if (U_FAILURE(status)) {
-                        goto cleanupWriteZone;
-                    }
-                }
-            }
-            if (!sameRule) {
-                // Reset this STD information
-                stdName = name;
-                stdFromOffset = fromOffset;
-                stdFromDSTSavings = fromDSTSavings;
-                stdToOffset = toOffset;
-                stdStartYear = year;
-                stdMonth = month;
-                stdDayOfWeek = dow;
-                stdWeekInMonth = weekInMonth;
-                stdMillisInDay = mid;
-                stdStartTime = stdUntilTime = t;
-                stdCount = 1;
-            }
-            if (finalStdRule != NULL && finalDstRule != NULL) {
-                break;
-            }
-        }
-    }
-    if (!hasTransitions) {
-        // No transition - put a single non transition RDATE
-        int32_t raw, dst, offset;
-        basictz.getOffset(0.0/*any time*/, FALSE, raw, dst, status);
-        if (U_FAILURE(status)) {
-            goto cleanupWriteZone;
-        }
-        offset = raw + dst;
-        isDst = (dst != 0);
-        UnicodeString tzid;
-        basictz.getID(tzid);
-        getDefaultTZName(tzid, isDst, name);        
-        writeZonePropsByTime(w, isDst, name,
-                offset, offset, DEF_TZSTARTTIME - offset, FALSE, status);    
-        if (U_FAILURE(status)) {
-            goto cleanupWriteZone;
-        }
-    } else {
-        if (dstCount > 0) {
-            if (finalDstRule == NULL) {
-                if (dstCount == 1) {
-                    writeZonePropsByTime(w, TRUE, dstName, dstFromOffset, dstToOffset, dstStartTime,
-                            TRUE, status);
-                } else {
-                    writeZonePropsByDOW(w, TRUE, dstName, dstFromOffset, dstToOffset,
-                            dstMonth, dstWeekInMonth, dstDayOfWeek, dstStartTime, dstUntilTime, status);
-                }
-                if (U_FAILURE(status)) {
-                    goto cleanupWriteZone;
-                }
-            } else {
-                if (dstCount == 1) {
-                    writeFinalRule(w, TRUE, finalDstRule,
-                            dstFromOffset - dstFromDSTSavings, dstFromDSTSavings, dstStartTime, status);
-                } else {
-                    // Use a single rule if possible
-                    if (isEquivalentDateRule(dstMonth, dstWeekInMonth, dstDayOfWeek, finalDstRule->getRule())) {
-                        writeZonePropsByDOW(w, TRUE, dstName, dstFromOffset, dstToOffset,
-                                dstMonth, dstWeekInMonth, dstDayOfWeek, dstStartTime, MAX_MILLIS, status);
-                    } else {
-                        // Not equivalent rule - write out two different rules
-                        writeZonePropsByDOW(w, TRUE, dstName, dstFromOffset, dstToOffset,
-                                dstMonth, dstWeekInMonth, dstDayOfWeek, dstStartTime, dstUntilTime, status);
-                        if (U_FAILURE(status)) {
-                            goto cleanupWriteZone;
-                        }
-                        writeFinalRule(w, TRUE, finalDstRule,
-                                dstFromOffset - dstFromDSTSavings, dstFromDSTSavings, dstStartTime, status);
-                    }
-                }
-                if (U_FAILURE(status)) {
-                    goto cleanupWriteZone;
-                }
-            }
-        }
-        if (stdCount > 0) {
-            if (finalStdRule == NULL) {
-                if (stdCount == 1) {
-                    writeZonePropsByTime(w, FALSE, stdName, stdFromOffset, stdToOffset, stdStartTime,
-                            TRUE, status);
-                } else {
-                    writeZonePropsByDOW(w, FALSE, stdName, stdFromOffset, stdToOffset,
-                            stdMonth, stdWeekInMonth, stdDayOfWeek, stdStartTime, stdUntilTime, status);
-                }
-                if (U_FAILURE(status)) {
-                    goto cleanupWriteZone;
-                }
-            } else {
-                if (stdCount == 1) {
-                    writeFinalRule(w, FALSE, finalStdRule,
-                            stdFromOffset - stdFromDSTSavings, stdFromDSTSavings, stdStartTime, status);
-                } else {
-                    // Use a single rule if possible
-                    if (isEquivalentDateRule(stdMonth, stdWeekInMonth, stdDayOfWeek, finalStdRule->getRule())) {
-                        writeZonePropsByDOW(w, FALSE, stdName, stdFromOffset, stdToOffset,
-                                stdMonth, stdWeekInMonth, stdDayOfWeek, stdStartTime, MAX_MILLIS, status);                            
-                    } else {
-                        // Not equivalent rule - write out two different rules
-                        writeZonePropsByDOW(w, FALSE, stdName, stdFromOffset, stdToOffset,
-                                stdMonth, stdWeekInMonth, stdDayOfWeek, stdStartTime, stdUntilTime, status);
-                        if (U_FAILURE(status)) {
-                            goto cleanupWriteZone;
-                        }
-                        writeFinalRule(w, FALSE, finalStdRule,
-                                stdFromOffset - stdFromDSTSavings, stdFromDSTSavings, stdStartTime, status);
-                    }
-                }
-                if (U_FAILURE(status)) {
-                    goto cleanupWriteZone;
-                }
-            }
-        }            
-    }
-    writeFooter(w, status);
-
-cleanupWriteZone:
-
-    if (finalStdRule != NULL) {
-        delete finalStdRule;
-    }
-    if (finalDstRule != NULL) {
-        delete finalDstRule;
-    }
-}
-
-void
-VTimeZone::writeHeaders(VTZWriter& writer, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    UnicodeString tzid;
-    tz->getID(tzid);
-
-    writer.write(ICAL_BEGIN);
-    writer.write(COLON);
-    writer.write(ICAL_VTIMEZONE);
-    writer.write(ICAL_NEWLINE);
-    writer.write(ICAL_TZID);
-    writer.write(COLON);
-    writer.write(tzid);
-    writer.write(ICAL_NEWLINE);
-    if (tzurl.length() != 0) {
-        writer.write(ICAL_TZURL);
-        writer.write(COLON);
-        writer.write(tzurl);
-        writer.write(ICAL_NEWLINE);
-    }
-    if (lastmod != MAX_MILLIS) {
-        UnicodeString lastmodStr;
-        writer.write(ICAL_LASTMOD);
-        writer.write(COLON);
-        writer.write(getUTCDateTimeString(lastmod, lastmodStr));
-        writer.write(ICAL_NEWLINE);
-    }
-}
-
-/*
- * Write the closing section of the VTIMEZONE definition block
- */
-void
-VTimeZone::writeFooter(VTZWriter& writer, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writer.write(ICAL_END);
-    writer.write(COLON);
-    writer.write(ICAL_VTIMEZONE);
-    writer.write(ICAL_NEWLINE);
-}
-
-/*
- * Write a single start time
- */
-void
-VTimeZone::writeZonePropsByTime(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                                int32_t fromOffset, int32_t toOffset, UDate time, UBool withRDATE,
-                                UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    beginZoneProps(writer, isDst, zonename, fromOffset, toOffset, time, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    if (withRDATE) {
-        writer.write(ICAL_RDATE);
-        writer.write(COLON);
-        UnicodeString timestr;
-        writer.write(getDateTimeString(time + fromOffset, timestr));
-        writer.write(ICAL_NEWLINE);
-    }
-    endZoneProps(writer, isDst, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-}
-
-/*
- * Write start times defined by a DOM rule using VTIMEZONE RRULE
- */
-void
-VTimeZone::writeZonePropsByDOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                               int32_t fromOffset, int32_t toOffset,
-                               int32_t month, int32_t dayOfMonth, UDate startTime, UDate untilTime,
-                               UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    beginZoneProps(writer, isDst, zonename, fromOffset, toOffset, startTime, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    beginRRULE(writer, month, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writer.write(ICAL_BYMONTHDAY);
-    writer.write(EQUALS_SIGN);
-    UnicodeString dstr;
-    appendAsciiDigits(dayOfMonth, 0, dstr);
-    writer.write(dstr);
-    if (untilTime != MAX_MILLIS) {
-        appendUNTIL(writer, getDateTimeString(untilTime + fromOffset, dstr), status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-    }
-    writer.write(ICAL_NEWLINE);
-    endZoneProps(writer, isDst, status);
-}
-
-/*
- * Write start times defined by a DOW rule using VTIMEZONE RRULE
- */
-void
-VTimeZone::writeZonePropsByDOW(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                               int32_t fromOffset, int32_t toOffset,
-                               int32_t month, int32_t weekInMonth, int32_t dayOfWeek,
-                               UDate startTime, UDate untilTime, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    beginZoneProps(writer, isDst, zonename, fromOffset, toOffset, startTime, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    beginRRULE(writer, month, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writer.write(ICAL_BYDAY);
-    writer.write(EQUALS_SIGN);
-    UnicodeString dstr;
-    appendAsciiDigits(weekInMonth, 0, dstr);
-    writer.write(dstr);    // -4, -3, -2, -1, 1, 2, 3, 4
-    writer.write(ICAL_DOW_NAMES[dayOfWeek - 1]);    // SU, MO, TU...
-
-    if (untilTime != MAX_MILLIS) {
-        appendUNTIL(writer, getDateTimeString(untilTime + fromOffset, dstr), status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-    }
-    writer.write(ICAL_NEWLINE);
-    endZoneProps(writer, isDst, status);
-}
-
-/*
- * Write start times defined by a DOW_GEQ_DOM rule using VTIMEZONE RRULE
- */
-void
-VTimeZone::writeZonePropsByDOW_GEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                                       int32_t fromOffset, int32_t toOffset,
-                                       int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
-                                       UDate startTime, UDate untilTime, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    // Check if this rule can be converted to DOW rule
-    if (dayOfMonth%7 == 1) {
-        // Can be represented by DOW rule
-        writeZonePropsByDOW(writer, isDst, zonename, fromOffset, toOffset,
-                month, (dayOfMonth + 6)/7, dayOfWeek, startTime, untilTime, status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-    } else if (month != UCAL_FEBRUARY && (MONTHLENGTH[month] - dayOfMonth)%7 == 6) {
-        // Can be represented by DOW rule with negative week number
-        writeZonePropsByDOW(writer, isDst, zonename, fromOffset, toOffset,
-                month, -1*((MONTHLENGTH[month] - dayOfMonth + 1)/7), dayOfWeek, startTime, untilTime, status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-    } else {
-        // Otherwise, use BYMONTHDAY to include all possible dates
-        beginZoneProps(writer, isDst, zonename, fromOffset, toOffset, startTime, status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-        // Check if all days are in the same month
-        int32_t startDay = dayOfMonth;
-        int32_t currentMonthDays = 7;
-    
-        if (dayOfMonth <= 0) {
-            // The start day is in previous month
-            int32_t prevMonthDays = 1 - dayOfMonth;
-            currentMonthDays -= prevMonthDays;
-
-            int32_t prevMonth = (month - 1) < 0 ? 11 : month - 1;
-
-            // Note: When a rule is separated into two, UNTIL attribute needs to be
-            // calculated for each of them.  For now, we skip this, because we basically use this method
-            // only for final rules, which does not have the UNTIL attribute
-            writeZonePropsByDOW_GEQ_DOM_sub(writer, prevMonth, -prevMonthDays, dayOfWeek, prevMonthDays,
-                MAX_MILLIS /* Do not use UNTIL */, fromOffset, status);
-            if (U_FAILURE(status)) {
-                return;
-            }
-
-            // Start from 1 for the rest
-            startDay = 1;
-        } else if (dayOfMonth + 6 > MONTHLENGTH[month]) {
-            // Note: This code does not actually work well in February.  For now, days in month in
-            // non-leap year.
-            int32_t nextMonthDays = dayOfMonth + 6 - MONTHLENGTH[month];
-            currentMonthDays -= nextMonthDays;
-
-            int32_t nextMonth = (month + 1) > 11 ? 0 : month + 1;
-            
-            writeZonePropsByDOW_GEQ_DOM_sub(writer, nextMonth, 1, dayOfWeek, nextMonthDays,
-                MAX_MILLIS /* Do not use UNTIL */, fromOffset, status);
-            if (U_FAILURE(status)) {
-                return;
-            }
-        }
-        writeZonePropsByDOW_GEQ_DOM_sub(writer, month, startDay, dayOfWeek, currentMonthDays,
-            untilTime, fromOffset, status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-        endZoneProps(writer, isDst, status);
-    }
-}
-
-/*
- * Called from writeZonePropsByDOW_GEQ_DOM
- */
-void
-VTimeZone::writeZonePropsByDOW_GEQ_DOM_sub(VTZWriter& writer, int32_t month, int32_t dayOfMonth,
-                                           int32_t dayOfWeek, int32_t numDays,
-                                           UDate untilTime, int32_t fromOffset, UErrorCode& status) const {
-
-    if (U_FAILURE(status)) {
-        return;
-    }
-    int32_t startDayNum = dayOfMonth;
-    UBool isFeb = (month == UCAL_FEBRUARY);
-    if (dayOfMonth < 0 && !isFeb) {
-        // Use positive number if possible
-        startDayNum = MONTHLENGTH[month] + dayOfMonth + 1;
-    }
-    beginRRULE(writer, month, status);
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writer.write(ICAL_BYDAY);
-    writer.write(EQUALS_SIGN);
-    writer.write(ICAL_DOW_NAMES[dayOfWeek - 1]);    // SU, MO, TU...
-    writer.write(SEMICOLON);
-    writer.write(ICAL_BYMONTHDAY);
-    writer.write(EQUALS_SIGN);
-
-    UnicodeString dstr;
-    appendAsciiDigits(startDayNum, 0, dstr);
-    writer.write(dstr);
-    for (int32_t i = 1; i < numDays; i++) {
-        writer.write(COMMA);
-        dstr.remove();
-        appendAsciiDigits(startDayNum + i, 0, dstr);
-        writer.write(dstr);
-    }
-
-    if (untilTime != MAX_MILLIS) {
-        appendUNTIL(writer, getDateTimeString(untilTime + fromOffset, dstr), status);
-        if (U_FAILURE(status)) {
-            return;
-        }
-    }
-    writer.write(ICAL_NEWLINE);
-}
-
-/*
- * Write start times defined by a DOW_LEQ_DOM rule using VTIMEZONE RRULE
- */
-void
-VTimeZone::writeZonePropsByDOW_LEQ_DOM(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                                       int32_t fromOffset, int32_t toOffset,
-                                       int32_t month, int32_t dayOfMonth, int32_t dayOfWeek,
-                                       UDate startTime, UDate untilTime, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    // Check if this rule can be converted to DOW rule
-    if (dayOfMonth%7 == 0) {
-        // Can be represented by DOW rule
-        writeZonePropsByDOW(writer, isDst, zonename, fromOffset, toOffset,
-                month, dayOfMonth/7, dayOfWeek, startTime, untilTime, status);
-    } else if (month != UCAL_FEBRUARY && (MONTHLENGTH[month] - dayOfMonth)%7 == 0){
-        // Can be represented by DOW rule with negative week number
-        writeZonePropsByDOW(writer, isDst, zonename, fromOffset, toOffset,
-                month, -1*((MONTHLENGTH[month] - dayOfMonth)/7 + 1), dayOfWeek, startTime, untilTime, status);
-    } else if (month == UCAL_FEBRUARY && dayOfMonth == 29) {
-        // Specical case for February
-        writeZonePropsByDOW(writer, isDst, zonename, fromOffset, toOffset,
-                UCAL_FEBRUARY, -1, dayOfWeek, startTime, untilTime, status);
-    } else {
-        // Otherwise, convert this to DOW_GEQ_DOM rule
-        writeZonePropsByDOW_GEQ_DOM(writer, isDst, zonename, fromOffset, toOffset,
-                month, dayOfMonth - 6, dayOfWeek, startTime, untilTime, status);
-    }
-}
-
-/*
- * Write the final time zone rule using RRULE, with no UNTIL attribute
- */
-void
-VTimeZone::writeFinalRule(VTZWriter& writer, UBool isDst, const AnnualTimeZoneRule* rule,
-                          int32_t fromRawOffset, int32_t fromDSTSavings,
-                          UDate startTime, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    UBool modifiedRule = TRUE;
-    const DateTimeRule *dtrule = toWallTimeRule(rule->getRule(), fromRawOffset, fromDSTSavings);
-    if (dtrule == NULL) {
-        modifiedRule = FALSE;
-        dtrule = rule->getRule();
-    }
-
-    // If the rule's mills in a day is out of range, adjust start time.
-    // Olson tzdata supports 24:00 of a day, but VTIMEZONE does not.
-    // See ticket#7008/#7518
-
-    int32_t timeInDay = dtrule->getRuleMillisInDay();
-    if (timeInDay < 0) {
-        startTime = startTime + (0 - timeInDay);
-    } else if (timeInDay >= U_MILLIS_PER_DAY) {
-        startTime = startTime - (timeInDay - (U_MILLIS_PER_DAY - 1));
-    }
-
-    int32_t toOffset = rule->getRawOffset() + rule->getDSTSavings();
-    UnicodeString name;
-    rule->getName(name);
-    switch (dtrule->getDateRuleType()) {
-    case DateTimeRule::DOM:
-        writeZonePropsByDOM(writer, isDst, name, fromRawOffset + fromDSTSavings, toOffset,
-                dtrule->getRuleMonth(), dtrule->getRuleDayOfMonth(), startTime, MAX_MILLIS, status);
-        break;
-    case DateTimeRule::DOW:
-        writeZonePropsByDOW(writer, isDst, name, fromRawOffset + fromDSTSavings, toOffset,
-                dtrule->getRuleMonth(), dtrule->getRuleWeekInMonth(), dtrule->getRuleDayOfWeek(), startTime, MAX_MILLIS, status);
-        break;
-    case DateTimeRule::DOW_GEQ_DOM:
-        writeZonePropsByDOW_GEQ_DOM(writer, isDst, name, fromRawOffset + fromDSTSavings, toOffset,
-                dtrule->getRuleMonth(), dtrule->getRuleDayOfMonth(), dtrule->getRuleDayOfWeek(), startTime, MAX_MILLIS, status);
-        break;
-    case DateTimeRule::DOW_LEQ_DOM:
-        writeZonePropsByDOW_LEQ_DOM(writer, isDst, name, fromRawOffset + fromDSTSavings, toOffset,
-                dtrule->getRuleMonth(), dtrule->getRuleDayOfMonth(), dtrule->getRuleDayOfWeek(), startTime, MAX_MILLIS, status);
-        break;
-    }
-    if (modifiedRule) {
-        delete dtrule;
-    }
-}
-
-/*
- * Write the opening section of zone properties
- */
-void
-VTimeZone::beginZoneProps(VTZWriter& writer, UBool isDst, const UnicodeString& zonename,
-                          int32_t fromOffset, int32_t toOffset, UDate startTime, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    writer.write(ICAL_BEGIN);
-    writer.write(COLON);
-    if (isDst) {
-        writer.write(ICAL_DAYLIGHT);
-    } else {
-        writer.write(ICAL_STANDARD);
-    }
-    writer.write(ICAL_NEWLINE);
-
-    UnicodeString dstr;
-
-    // TZOFFSETTO
-    writer.write(ICAL_TZOFFSETTO);
-    writer.write(COLON);
-    millisToOffset(toOffset, dstr);
-    writer.write(dstr);
-    writer.write(ICAL_NEWLINE);
-
-    // TZOFFSETFROM
-    writer.write(ICAL_TZOFFSETFROM);
-    writer.write(COLON);
-    millisToOffset(fromOffset, dstr);
-    writer.write(dstr);
-    writer.write(ICAL_NEWLINE);
-
-    // TZNAME
-    writer.write(ICAL_TZNAME);
-    writer.write(COLON);
-    writer.write(zonename);
-    writer.write(ICAL_NEWLINE);
-    
-    // DTSTART
-    writer.write(ICAL_DTSTART);
-    writer.write(COLON);
-    writer.write(getDateTimeString(startTime + fromOffset, dstr));
-    writer.write(ICAL_NEWLINE);        
-}
-
-/*
- * Writes the closing section of zone properties
- */
-void
-VTimeZone::endZoneProps(VTZWriter& writer, UBool isDst, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    // END:STANDARD or END:DAYLIGHT
-    writer.write(ICAL_END);
-    writer.write(COLON);
-    if (isDst) {
-        writer.write(ICAL_DAYLIGHT);
-    } else {
-        writer.write(ICAL_STANDARD);
-    }
-    writer.write(ICAL_NEWLINE);
-}
-
-/*
- * Write the beggining part of RRULE line
- */
-void
-VTimeZone::beginRRULE(VTZWriter& writer, int32_t month, UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    UnicodeString dstr;
-    writer.write(ICAL_RRULE);
-    writer.write(COLON);
-    writer.write(ICAL_FREQ);
-    writer.write(EQUALS_SIGN);
-    writer.write(ICAL_YEARLY);
-    writer.write(SEMICOLON);
-    writer.write(ICAL_BYMONTH);
-    writer.write(EQUALS_SIGN);
-    appendAsciiDigits(month + 1, 0, dstr);
-    writer.write(dstr);
-    writer.write(SEMICOLON);
-}
-
-/*
- * Append the UNTIL attribute after RRULE line
- */
-void
-VTimeZone::appendUNTIL(VTZWriter& writer, const UnicodeString& until,  UErrorCode& status) const {
-    if (U_FAILURE(status)) {
-        return;
-    }
-    if (until.length() > 0) {
-        writer.write(SEMICOLON);
-        writer.write(ICAL_UNTIL);
-        writer.write(EQUALS_SIGN);
-        writer.write(until);
-    }
-}
-
-U_NAMESPACE_END
-
-#endif /* #if !UCONFIG_NO_FORMATTING */
-
-//eof