Updated WebKit from /home/shausman/src/webkit/trunk to qtwebkit-4.6-snapshot-24062009 ( 6d5a2a0472a6af0b7f781da018e76bb8522d57a5 )

++ b/WebKit/qt/ChangeLog
2009-06-19  Daniel <qt-info@nokia.com>

        Reviewed by Simon Hausmann.

        Remove warnings for QString() constructions from const char *

        By explicitly wrapping it with QLatin1String() / QLatin1Char()

        * Api/qwebelement.cpp:
        (QWebElement::classes): Use QLatin1String.
        (QWebElement::addClass): Ditto.
        (QWebElement::removeClass): Ditto.
        (QWebElement::toggleClass): Ditto.

2009-06-18  Friedemann Kleint  <Friedemann.Kleint@nokia.com>

        Reviewed by Simon Hausmann.

        Fixed MinGW compilation.

        * Api/qwebelement.cpp:
        (QWebElement::evaluateScript):

2009-06-18  Markus Goetz <Markus.Goetz@nokia.com>

        Reviewed by Simon Hausman.

        Clarify in docs how to compile with debug information.

        * docs/qtwebkit.qdoc:

2009-06-17  Markus Goetz <Markus.Goetz@nokia.com>

        Reviewed by Simon Hausmann.

        QWebPage: Don't call supportsSsl()

        This stops QWebPage from loading the OpenSSL libs,
        certificates etc. when they are not needed for the non-HTTPS case.

        Loading the SSL libraries can be a very slow operation.

        * Api/qwebpage.cpp:
        (QWebPage::userAgentForUrl):

2009-06-15  Benjamin C Meyer  <benjamin.meyer@torchmobile.com>

        Reviewed by Adam Treat.

        Support the back/forward/stop/refresh multimedia keys and accept the
        event when handling backspace and shift backspace as we should.

        * Api/qwebpage.cpp:
        (QWebPagePrivate::keyPressEvent):

2009-06-15  Andre Pedralho  <andre.pedralho@openbossa.org>

        Reviewed by Adam Treat.

        https://bugs.webkit.org/show_bug.cgi?id=26351
        Remove bool QWebHitTestResult::isScrollBar() const and make sure a null QWebHitTestResult is returned instead.

        * Api/qwebframe.cpp:
        (QWebFrame::hitTestContent):
        * Api/qwebframe.h:
        * Api/qwebpage.cpp:
        (QWebPage::updatePositionDependentActions):

2009-06-15  Simon Hausmann  <simon.hausmann@nokia.com>

        Reviewed by Adam Treat.

        Fix the logic for disabling the fixed layout feature, when an invalid
        QSize is set.

        * Api/qwebpage.cpp:
        (QWebPage::setFixedContentsSize):

2009-06-13  Adam Barth  <abarth@webkit.org>

        Reviewed by Darin Fisher.

        https://bugs.webkit.org/show_bug.cgi?id=24492

        Move registerURLSchemeAsLocal from FrameLoader to SecurityOrigin.

        * Api/qwebpage.cpp:
        (QWebPage::acceptNavigationRequest):

        Rubber-stamped by Simon Hausmann.
2009-06-09  Simon Hausmann  <simon.hausmann@nokia.com>

        Reviewed by Ariya Hidayat.

        Renamed QWebSettings::AllowUniversalAccessFromFileUrls to
        LocalContentCanAccessRemoteUrls, as discussed in the API review.

        * Api/qwebsettings.cpp:
        (QWebSettingsPrivate::apply):
        (QWebSettings::QWebSettings):
        * Api/qwebsettings.h:

2009-06-09  Simon Hausmann  <simon.hausmann@nokia.com>

        Reviewed by Ariya Hidayat.

        Merged useFixedLayout property with fixedLayoutSize and
        renamed the latter to fixedContentsSize.

        * Api/qwebpage.cpp:
        (QWebPage::fixedContentsSize):
        (QWebPage::setFixedContentsSize):
        * Api/qwebpage.h:
        * WebCoreSupport/FrameLoaderClientQt.cpp:
        (WebCore::FrameLoaderClientQt::transitionToCommittedForNewPage):

2009-06-09  Simon Hausmann  <simon.hausmann@nokia.com>

        Reviewed by Ariya Hidayat.

        Renamed QWebHitTestResult::linkTarget to linkElement() and made it return
        a QWebElement. The link target itself is always the target DOM attribute.

        * Api/qwebframe.cpp:
        (QWebHitTestResultPrivate::QWebHitTestResultPrivate):
        (QWebHitTestResult::linkElement):
        * Api/qwebframe.h:
        * Api/qwebframe_p.h:
        * tests/qwebframe/tst_qwebframe.cpp:

1 files changed, 911 insertions, 0 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/wtf/DateMath.cpp b/src/3rdparty/webkit/JavaScriptCore/wtf/DateMath.cpp
new file mode 100644
index 0000000..47c9d44
--- /dev/null
+++ b/src/3rdparty/webkit/JavaScriptCore/wtf/DateMath.cpp
@@ -0,0 +1,911 @@
+/*
+ * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * The Original Code is Mozilla Communicator client code, released
+ * March 31, 1998.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Alternatively, the contents of this file may be used under the terms
+ * of either the Mozilla Public License Version 1.1, found at
+ * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
+ * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
+ * (the "GPL"), in which case the provisions of the MPL or the GPL are
+ * applicable instead of those above.  If you wish to allow use of your
+ * version of this file only under the terms of one of those two
+ * licenses (the MPL or the GPL) and not to allow others to use your
+ * version of this file under the LGPL, indicate your decision by
+ * deletingthe provisions above and replace them with the notice and
+ * other provisions required by the MPL or the GPL, as the case may be.
+ * If you do not delete the provisions above, a recipient may use your
+ * version of this file under any of the LGPL, the MPL or the GPL.
+ */
+
+#include "config.h"
+#include "DateMath.h"
+
+#include "Assertions.h"
+#include "ASCIICType.h"
+#include "CurrentTime.h"
+#include "MathExtras.h"
+#include "StringExtras.h"
+
+#include <algorithm>
+#include <limits.h>
+#include <limits>
+#include <stdint.h>
+#include <time.h>
+
+
+#if HAVE(ERRNO_H)
+#include <errno.h>
+#endif
+
+#if PLATFORM(DARWIN)
+#include <notify.h>
+#endif
+
+#if HAVE(SYS_TIME_H)
+#include <sys/time.h>
+#endif
+
+#if HAVE(SYS_TIMEB_H)
+#include <sys/timeb.h>
+#endif
+
+#define NaN std::numeric_limits<double>::quiet_NaN()
+
+namespace WTF {
+
+/* Constants */
+
+static const double minutesPerDay = 24.0 * 60.0;
+static const double secondsPerDay = 24.0 * 60.0 * 60.0;
+static const double secondsPerYear = 24.0 * 60.0 * 60.0 * 365.0;
+
+static const double usecPerSec = 1000000.0;
+
+static const double maxUnixTime = 2145859200.0; // 12/31/2037
+
+// Day of year for the first day of each month, where index 0 is January, and day 0 is January 1.
+// First for non-leap years, then for leap years.
+static const int firstDayOfMonth[2][12] = {
+    {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
+    {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
+};
+
+static inline bool isLeapYear(int year)
+{
+    if (year % 4 != 0)
+        return false;
+    if (year % 400 == 0)
+        return true;
+    if (year % 100 == 0)
+        return false;
+    return true;
+}
+
+static inline int daysInYear(int year)
+{
+    return 365 + isLeapYear(year);
+}
+
+static inline double daysFrom1970ToYear(int year)
+{
+    // The Gregorian Calendar rules for leap years:
+    // Every fourth year is a leap year.  2004, 2008, and 2012 are leap years.
+    // However, every hundredth year is not a leap year.  1900 and 2100 are not leap years.
+    // Every four hundred years, there's a leap year after all.  2000 and 2400 are leap years.
+
+    static const int leapDaysBefore1971By4Rule = 1970 / 4;
+    static const int excludedLeapDaysBefore1971By100Rule = 1970 / 100;
+    static const int leapDaysBefore1971By400Rule = 1970 / 400;
+
+    const double yearMinusOne = year - 1;
+    const double yearsToAddBy4Rule = floor(yearMinusOne / 4.0) - leapDaysBefore1971By4Rule;
+    const double yearsToExcludeBy100Rule = floor(yearMinusOne / 100.0) - excludedLeapDaysBefore1971By100Rule;
+    const double yearsToAddBy400Rule = floor(yearMinusOne / 400.0) - leapDaysBefore1971By400Rule;
+
+    return 365.0 * (year - 1970) + yearsToAddBy4Rule - yearsToExcludeBy100Rule + yearsToAddBy400Rule;
+}
+
+static inline double msToDays(double ms)
+{
+    return floor(ms / msPerDay);
+}
+
+static inline int msToYear(double ms)
+{
+    int approxYear = static_cast<int>(floor(ms / (msPerDay * 365.2425)) + 1970);
+    double msFromApproxYearTo1970 = msPerDay * daysFrom1970ToYear(approxYear);
+    if (msFromApproxYearTo1970 > ms)
+        return approxYear - 1;
+    if (msFromApproxYearTo1970 + msPerDay * daysInYear(approxYear) <= ms)
+        return approxYear + 1;
+    return approxYear;
+}
+
+static inline int dayInYear(double ms, int year)
+{
+    return static_cast<int>(msToDays(ms) - daysFrom1970ToYear(year));
+}
+
+static inline double msToMilliseconds(double ms)
+{
+    double result = fmod(ms, msPerDay);
+    if (result < 0)
+        result += msPerDay;
+    return result;
+}
+
+// 0: Sunday, 1: Monday, etc.
+static inline int msToWeekDay(double ms)
+{
+    int wd = (static_cast<int>(msToDays(ms)) + 4) % 7;
+    if (wd < 0)
+        wd += 7;
+    return wd;
+}
+
+static inline int msToSeconds(double ms)
+{
+    double result = fmod(floor(ms / msPerSecond), secondsPerMinute);
+    if (result < 0)
+        result += secondsPerMinute;
+    return static_cast<int>(result);
+}
+
+static inline int msToMinutes(double ms)
+{
+    double result = fmod(floor(ms / msPerMinute), minutesPerHour);
+    if (result < 0)
+        result += minutesPerHour;
+    return static_cast<int>(result);
+}
+
+static inline int msToHours(double ms)
+{
+    double result = fmod(floor(ms/msPerHour), hoursPerDay);
+    if (result < 0)
+        result += hoursPerDay;
+    return static_cast<int>(result);
+}
+
+static inline int monthFromDayInYear(int dayInYear, bool leapYear)
+{
+    const int d = dayInYear;
+    int step;
+
+    if (d < (step = 31))
+        return 0;
+    step += (leapYear ? 29 : 28);
+    if (d < step)
+        return 1;
+    if (d < (step += 31))
+        return 2;
+    if (d < (step += 30))
+        return 3;
+    if (d < (step += 31))
+        return 4;
+    if (d < (step += 30))
+        return 5;
+    if (d < (step += 31))
+        return 6;
+    if (d < (step += 31))
+        return 7;
+    if (d < (step += 30))
+        return 8;
+    if (d < (step += 31))
+        return 9;
+    if (d < (step += 30))
+        return 10;
+    return 11;
+}
+
+static inline bool checkMonth(int dayInYear, int& startDayOfThisMonth, int& startDayOfNextMonth, int daysInThisMonth)
+{
+    startDayOfThisMonth = startDayOfNextMonth;
+    startDayOfNextMonth += daysInThisMonth;
+    return (dayInYear <= startDayOfNextMonth);
+}
+
+static inline int dayInMonthFromDayInYear(int dayInYear, bool leapYear)
+{
+    const int d = dayInYear;
+    int step;
+    int next = 30;
+
+    if (d <= next)
+        return d + 1;
+    const int daysInFeb = (leapYear ? 29 : 28);
+    if (checkMonth(d, step, next, daysInFeb))
+        return d - step;
+    if (checkMonth(d, step, next, 31))
+        return d - step;
+    if (checkMonth(d, step, next, 30))
+        return d - step;
+    if (checkMonth(d, step, next, 31))
+        return d - step;
+    if (checkMonth(d, step, next, 30))
+        return d - step;
+    if (checkMonth(d, step, next, 31))
+        return d - step;
+    if (checkMonth(d, step, next, 31))
+        return d - step;
+    if (checkMonth(d, step, next, 30))
+        return d - step;
+    if (checkMonth(d, step, next, 31))
+        return d - step;
+    if (checkMonth(d, step, next, 30))
+        return d - step;
+    step = next;
+    return d - step;
+}
+
+static inline int monthToDayInYear(int month, bool isLeapYear)
+{
+    return firstDayOfMonth[isLeapYear][month];
+}
+
+static inline double timeToMS(double hour, double min, double sec, double ms)
+{
+    return (((hour * minutesPerHour + min) * secondsPerMinute + sec) * msPerSecond + ms);
+}
+
+static int dateToDayInYear(int year, int month, int day)
+{
+    year += month / 12;
+
+    month %= 12;
+    if (month < 0) {
+        month += 12;
+        --year;
+    }
+
+    int yearday = static_cast<int>(floor(daysFrom1970ToYear(year)));
+    int monthday = monthToDayInYear(month, isLeapYear(year));
+
+    return yearday + monthday + day - 1;
+}
+
+double getCurrentUTCTime()
+{
+    return floor(getCurrentUTCTimeWithMicroseconds());
+}
+
+// Returns current time in milliseconds since 1 Jan 1970.
+double getCurrentUTCTimeWithMicroseconds()
+{
+    return currentTime() * 1000.0; 
+}
+
+void getLocalTime(const time_t* localTime, struct tm* localTM)
+{
+#if COMPILER(MSVC7) || COMPILER(MINGW) || PLATFORM(WINCE)
+    *localTM = *localtime(localTime);
+#elif COMPILER(MSVC)
+    localtime_s(localTM, localTime);
+#else
+    localtime_r(localTime, localTM);
+#endif
+}
+
+// There is a hard limit at 2038 that we currently do not have a workaround
+// for (rdar://problem/5052975).
+static inline int maximumYearForDST()
+{
+    return 2037;
+}
+
+static inline int minimumYearForDST()
+{
+    // Because of the 2038 issue (see maximumYearForDST) if the current year is
+    // greater than the max year minus 27 (2010), we want to use the max year
+    // minus 27 instead, to ensure there is a range of 28 years that all years
+    // can map to.
+    return std::min(msToYear(getCurrentUTCTime()), maximumYearForDST() - 27) ;
+}
+
+/*
+ * Find an equivalent year for the one given, where equivalence is deterined by
+ * the two years having the same leapness and the first day of the year, falling
+ * on the same day of the week.
+ *
+ * This function returns a year between this current year and 2037, however this
+ * function will potentially return incorrect results if the current year is after
+ * 2010, (rdar://problem/5052975), if the year passed in is before 1900 or after
+ * 2100, (rdar://problem/5055038).
+ */
+int equivalentYearForDST(int year)
+{
+    // It is ok if the cached year is not the current year as long as the rules
+    // for DST did not change between the two years; if they did the app would need
+    // to be restarted.
+    static int minYear = minimumYearForDST();
+    int maxYear = maximumYearForDST();
+
+    int difference;
+    if (year > maxYear)
+        difference = minYear - year;
+    else if (year < minYear)
+        difference = maxYear - year;
+    else
+        return year;
+
+    int quotient = difference / 28;
+    int product = (quotient) * 28;
+
+    year += product;
+    ASSERT((year >= minYear && year <= maxYear) || (product - year == static_cast<int>(NaN)));
+    return year;
+}
+
+static int32_t calculateUTCOffset()
+{
+    time_t localTime = time(0);
+    tm localt;
+    getLocalTime(&localTime, &localt);
+
+    // Get the difference between this time zone and UTC on the 1st of January of this year.
+    localt.tm_sec = 0;
+    localt.tm_min = 0;
+    localt.tm_hour = 0;
+    localt.tm_mday = 1;
+    localt.tm_mon = 0;
+    // Not setting localt.tm_year!
+    localt.tm_wday = 0;
+    localt.tm_yday = 0;
+    localt.tm_isdst = 0;
+#if PLATFORM(WIN_OS) || PLATFORM(SOLARIS) || COMPILER(RVCT)
+    // Using a canned date of 01/01/2009 on platforms with weaker date-handling foo.
+    localt.tm_year = 109;
+    time_t utcOffset = 1230768000 - mktime(&localt);
+#else
+    localt.tm_zone = 0;
+    localt.tm_gmtoff = 0;
+    time_t utcOffset = timegm(&localt) - mktime(&localt);
+#endif
+
+    return static_cast<int32_t>(utcOffset * 1000);
+}
+
+#if PLATFORM(DARWIN)
+static int32_t s_cachedUTCOffset; // In milliseconds. An assumption here is that access to an int32_t variable is atomic on platforms that take this code path.
+static bool s_haveCachedUTCOffset;
+static int s_notificationToken;
+#endif
+
+/*
+ * Get the difference in milliseconds between this time zone and UTC (GMT)
+ * NOT including DST.
+ */
+double getUTCOffset()
+{
+#if PLATFORM(DARWIN)
+    if (s_haveCachedUTCOffset) {
+        int notified;
+        uint32_t status = notify_check(s_notificationToken, &notified);
+        if (status == NOTIFY_STATUS_OK && !notified)
+            return s_cachedUTCOffset;
+    }
+#endif
+
+    int32_t utcOffset = calculateUTCOffset();
+
+#if PLATFORM(DARWIN)
+    // Theoretically, it is possible that several threads will be executing this code at once, in which case we will have a race condition,
+    // and a newer value may be overwritten. In practice, time zones don't change that often.
+    s_cachedUTCOffset = utcOffset;
+#endif
+
+    return utcOffset;
+}
+
+/*
+ * Get the DST offset for the time passed in.  Takes
+ * seconds (not milliseconds) and cannot handle dates before 1970
+ * on some OS'
+ */
+static double getDSTOffsetSimple(double localTimeSeconds, double utcOffset)
+{
+    if (localTimeSeconds > maxUnixTime)
+        localTimeSeconds = maxUnixTime;
+    else if (localTimeSeconds < 0) // Go ahead a day to make localtime work (does not work with 0)
+        localTimeSeconds += secondsPerDay;
+
+    //input is UTC so we have to shift back to local time to determine DST thus the + getUTCOffset()
+    double offsetTime = (localTimeSeconds * msPerSecond) + utcOffset;
+
+    // Offset from UTC but doesn't include DST obviously
+    int offsetHour =  msToHours(offsetTime);
+    int offsetMinute =  msToMinutes(offsetTime);
+
+    // FIXME: time_t has a potential problem in 2038
+    time_t localTime = static_cast<time_t>(localTimeSeconds);
+
+    tm localTM;
+    getLocalTime(&localTime, &localTM);
+
+    double diff = ((localTM.tm_hour - offsetHour) * secondsPerHour) + ((localTM.tm_min - offsetMinute) * 60);
+
+    if (diff < 0)
+        diff += secondsPerDay;
+
+    return (diff * msPerSecond);
+}
+
+// Get the DST offset, given a time in UTC
+static double getDSTOffset(double ms, double utcOffset)
+{
+    // On Mac OS X, the call to localtime (see getDSTOffsetSimple) will return historically accurate
+    // DST information (e.g. New Zealand did not have DST from 1946 to 1974) however the JavaScript
+    // standard explicitly dictates that historical information should not be considered when
+    // determining DST. For this reason we shift away from years that localtime can handle but would
+    // return historically accurate information.
+    int year = msToYear(ms);
+    int equivalentYear = equivalentYearForDST(year);
+    if (year != equivalentYear) {
+        bool leapYear = isLeapYear(year);
+        int dayInYearLocal = dayInYear(ms, year);
+        int dayInMonth = dayInMonthFromDayInYear(dayInYearLocal, leapYear);
+        int month = monthFromDayInYear(dayInYearLocal, leapYear);
+        int day = dateToDayInYear(equivalentYear, month, dayInMonth);
+        ms = (day * msPerDay) + msToMilliseconds(ms);
+    }
+
+    return getDSTOffsetSimple(ms / msPerSecond, utcOffset);
+}
+
+double gregorianDateTimeToMS(const GregorianDateTime& t, double milliSeconds, bool inputIsUTC)
+{
+    int day = dateToDayInYear(t.year + 1900, t.month, t.monthDay);
+    double ms = timeToMS(t.hour, t.minute, t.second, milliSeconds);
+    double result = (day * msPerDay) + ms;
+
+    if (!inputIsUTC) { // convert to UTC
+        double utcOffset = getUTCOffset();
+        result -= utcOffset;
+        result -= getDSTOffset(result, utcOffset);
+    }
+
+    return result;
+}
+
+void msToGregorianDateTime(double ms, bool outputIsUTC, GregorianDateTime& tm)
+{
+    // input is UTC
+    double dstOff = 0.0;
+    const double utcOff = getUTCOffset();
+
+    if (!outputIsUTC) {  // convert to local time
+        dstOff = getDSTOffset(ms, utcOff);
+        ms += dstOff + utcOff;
+    }
+
+    const int year = msToYear(ms);
+    tm.second   =  msToSeconds(ms);
+    tm.minute   =  msToMinutes(ms);
+    tm.hour     =  msToHours(ms);
+    tm.weekDay  =  msToWeekDay(ms);
+    tm.yearDay  =  dayInYear(ms, year);
+    tm.monthDay =  dayInMonthFromDayInYear(tm.yearDay, isLeapYear(year));
+    tm.month    =  monthFromDayInYear(tm.yearDay, isLeapYear(year));
+    tm.year     =  year - 1900;
+    tm.isDST    =  dstOff != 0.0;
+
+    tm.utcOffset = static_cast<long>((dstOff + utcOff) / msPerSecond);
+    tm.timeZone = NULL;
+}
+
+void initializeDates()
+{
+#ifndef NDEBUG
+    static bool alreadyInitialized;
+    ASSERT(!alreadyInitialized++);
+#endif
+
+    equivalentYearForDST(2000); // Need to call once to initialize a static used in this function.
+#if PLATFORM(DARWIN)
+    // Register for a notification whenever the time zone changes.
+    uint32_t status = notify_register_check("com.apple.system.timezone", &s_notificationToken);
+    if (status == NOTIFY_STATUS_OK) {
+        s_cachedUTCOffset = calculateUTCOffset();
+        s_haveCachedUTCOffset = true;
+    }
+#endif
+}
+
+static inline double ymdhmsToSeconds(long year, int mon, int day, int hour, int minute, int second)
+{
+    double days = (day - 32075)
+        + floor(1461 * (year + 4800.0 + (mon - 14) / 12) / 4)
+        + 367 * (mon - 2 - (mon - 14) / 12 * 12) / 12
+        - floor(3 * ((year + 4900.0 + (mon - 14) / 12) / 100) / 4)
+        - 2440588;
+    return ((days * hoursPerDay + hour) * minutesPerHour + minute) * secondsPerMinute + second;
+}
+
+// We follow the recommendation of RFC 2822 to consider all
+// obsolete time zones not listed here equivalent to "-0000".
+static const struct KnownZone {
+#if !PLATFORM(WIN_OS)
+    const
+#endif
+        char tzName[4];
+    int tzOffset;
+} known_zones[] = {
+    { "UT", 0 },
+    { "GMT", 0 },
+    { "EST", -300 },
+    { "EDT", -240 },
+    { "CST", -360 },
+    { "CDT", -300 },
+    { "MST", -420 },
+    { "MDT", -360 },
+    { "PST", -480 },
+    { "PDT", -420 }
+};
+
+inline static void skipSpacesAndComments(const char*& s)
+{
+    int nesting = 0;
+    char ch;
+    while ((ch = *s)) {
+        if (!isASCIISpace(ch)) {
+            if (ch == '(')
+                nesting++;
+            else if (ch == ')' && nesting > 0)
+                nesting--;
+            else if (nesting == 0)
+                break;
+        }
+        s++;
+    }
+}
+
+// returns 0-11 (Jan-Dec); -1 on failure
+static int findMonth(const char* monthStr)
+{
+    ASSERT(monthStr);
+    char needle[4];
+    for (int i = 0; i < 3; ++i) {
+        if (!*monthStr)
+            return -1;
+        needle[i] = static_cast<char>(toASCIILower(*monthStr++));
+    }
+    needle[3] = '\0';
+    const char *haystack = "janfebmaraprmayjunjulaugsepoctnovdec";
+    const char *str = strstr(haystack, needle);
+    if (str) {
+        int position = static_cast<int>(str - haystack);
+        if (position % 3 == 0)
+            return position / 3;
+    }
+    return -1;
+}
+
+static bool parseLong(const char* string, char** stopPosition, int base, long* result)
+{
+    *result = strtol(string, stopPosition, base);
+    // Avoid the use of errno as it is not available on Windows CE
+    if (string == *stopPosition || *result == LONG_MIN || *result == LONG_MAX)
+        return false;
+    return true;
+}
+
+double parseDateFromNullTerminatedCharacters(const char* dateString)
+{
+    // This parses a date in the form:
+    //     Tuesday, 09-Nov-99 23:12:40 GMT
+    // or
+    //     Sat, 01-Jan-2000 08:00:00 GMT
+    // or
+    //     Sat, 01 Jan 2000 08:00:00 GMT
+    // or
+    //     01 Jan 99 22:00 +0100    (exceptions in rfc822/rfc2822)
+    // ### non RFC formats, added for Javascript:
+    //     [Wednesday] January 09 1999 23:12:40 GMT
+    //     [Wednesday] January 09 23:12:40 GMT 1999
+    //
+    // We ignore the weekday.
+     
+    // Skip leading space
+    skipSpacesAndComments(dateString);
+
+    long month = -1;
+    const char *wordStart = dateString;
+    // Check contents of first words if not number
+    while (*dateString && !isASCIIDigit(*dateString)) {
+        if (isASCIISpace(*dateString) || *dateString == '(') {
+            if (dateString - wordStart >= 3)
+                month = findMonth(wordStart);
+            skipSpacesAndComments(dateString);
+            wordStart = dateString;
+        } else
+           dateString++;
+    }
+
+    // Missing delimiter between month and day (like "January29")?
+    if (month == -1 && wordStart != dateString)
+        month = findMonth(wordStart);
+
+    skipSpacesAndComments(dateString);
+
+    if (!*dateString)
+        return NaN;
+
+    // ' 09-Nov-99 23:12:40 GMT'
+    char* newPosStr;
+    long day;
+    if (!parseLong(dateString, &newPosStr, 10, &day))
+        return NaN;
+    dateString = newPosStr;
+
+    if (!*dateString)
+        return NaN;
+
+    if (day < 0)
+        return NaN;
+
+    long year = 0;
+    if (day > 31) {
+        // ### where is the boundary and what happens below?
+        if (*dateString != '/')
+            return NaN;
+        // looks like a YYYY/MM/DD date
+        if (!*++dateString)
+            return NaN;
+        year = day;
+        if (!parseLong(dateString, &newPosStr, 10, &month))
+            return NaN;
+        month -= 1;
+        dateString = newPosStr;
+        if (*dateString++ != '/' || !*dateString)
+            return NaN;
+        if (!parseLong(dateString, &newPosStr, 10, &day))
+            return NaN;
+        dateString = newPosStr;
+    } else if (*dateString == '/' && month == -1) {
+        dateString++;
+        // This looks like a MM/DD/YYYY date, not an RFC date.
+        month = day - 1; // 0-based
+        if (!parseLong(dateString, &newPosStr, 10, &day))
+            return NaN;
+        if (day < 1 || day > 31)
+            return NaN;
+        dateString = newPosStr;
+        if (*dateString == '/')
+            dateString++;
+        if (!*dateString)
+            return NaN;
+     } else {
+        if (*dateString == '-')
+            dateString++;
+
+        skipSpacesAndComments(dateString);
+
+        if (*dateString == ',')
+            dateString++;
+
+        if (month == -1) { // not found yet
+            month = findMonth(dateString);
+            if (month == -1)
+                return NaN;
+
+            while (*dateString && *dateString != '-' && *dateString != ',' && !isASCIISpace(*dateString))
+                dateString++;
+
+            if (!*dateString)
+                return NaN;
+
+            // '-99 23:12:40 GMT'
+            if (*dateString != '-' && *dateString != '/' && *dateString != ',' && !isASCIISpace(*dateString))
+                return NaN;
+            dateString++;
+        }
+    }
+
+    if (month < 0 || month > 11)
+        return NaN;
+
+    // '99 23:12:40 GMT'
+    if (year <= 0 && *dateString) {
+        if (!parseLong(dateString, &newPosStr, 10, &year))
+            return NaN;
+    }
+
+    // Don't fail if the time is missing.
+    long hour = 0;
+    long minute = 0;
+    long second = 0;
+    if (!*newPosStr)
+        dateString = newPosStr;
+    else {
+        // ' 23:12:40 GMT'
+        if (!(isASCIISpace(*newPosStr) || *newPosStr == ',')) {
+            if (*newPosStr != ':')
+                return NaN;
+            // There was no year; the number was the hour.
+            year = -1;
+        } else {
+            // in the normal case (we parsed the year), advance to the next number
+            dateString = ++newPosStr;
+            skipSpacesAndComments(dateString);
+        }
+
+        parseLong(dateString, &newPosStr, 10, &hour);
+        // Do not check for errno here since we want to continue
+        // even if errno was set becasue we are still looking
+        // for the timezone!
+
+        // Read a number? If not, this might be a timezone name.
+        if (newPosStr != dateString) {
+            dateString = newPosStr;
+
+            if (hour < 0 || hour > 23)
+                return NaN;
+
+            if (!*dateString)
+                return NaN;
+
+            // ':12:40 GMT'
+            if (*dateString++ != ':')
+                return NaN;
+
+            if (!parseLong(dateString, &newPosStr, 10, &minute))
+                return NaN;
+            dateString = newPosStr;
+
+            if (minute < 0 || minute > 59)
+                return NaN;
+
+            // ':40 GMT'
+            if (*dateString && *dateString != ':' && !isASCIISpace(*dateString))
+                return NaN;
+
+            // seconds are optional in rfc822 + rfc2822
+            if (*dateString ==':') {
+                dateString++;
+
+                if (!parseLong(dateString, &newPosStr, 10, &second))
+                    return NaN;
+                dateString = newPosStr;
+
+                if (second < 0 || second > 59)
+                    return NaN;
+            }
+
+            skipSpacesAndComments(dateString);
+
+            if (strncasecmp(dateString, "AM", 2) == 0) {
+                if (hour > 12)
+                    return NaN;
+                if (hour == 12)
+                    hour = 0;
+                dateString += 2;
+                skipSpacesAndComments(dateString);
+            } else if (strncasecmp(dateString, "PM", 2) == 0) {
+                if (hour > 12)
+                    return NaN;
+                if (hour != 12)
+                    hour += 12;
+                dateString += 2;
+                skipSpacesAndComments(dateString);
+            }
+        }
+    }
+
+    bool haveTZ = false;
+    int offset = 0;
+
+    // Don't fail if the time zone is missing. 
+    // Some websites omit the time zone (4275206).
+    if (*dateString) {
+        if (strncasecmp(dateString, "GMT", 3) == 0 || strncasecmp(dateString, "UTC", 3) == 0) {
+            dateString += 3;
+            haveTZ = true;
+        }
+
+        if (*dateString == '+' || *dateString == '-') {
+            long o;
+            if (!parseLong(dateString, &newPosStr, 10, &o))
+                return NaN;
+            dateString = newPosStr;
+
+            if (o < -9959 || o > 9959)
+                return NaN;
+
+            int sgn = (o < 0) ? -1 : 1;
+            o = abs(o);
+            if (*dateString != ':') {
+                offset = ((o / 100) * 60 + (o % 100)) * sgn;
+            } else { // GMT+05:00
+                long o2;
+                if (!parseLong(dateString, &newPosStr, 10, &o2))
+                    return NaN;
+                dateString = newPosStr;
+                offset = (o * 60 + o2) * sgn;
+            }
+            haveTZ = true;
+        } else {
+            for (int i = 0; i < int(sizeof(known_zones) / sizeof(KnownZone)); i++) {
+                if (0 == strncasecmp(dateString, known_zones[i].tzName, strlen(known_zones[i].tzName))) {
+                    offset = known_zones[i].tzOffset;
+                    dateString += strlen(known_zones[i].tzName);
+                    haveTZ = true;
+                    break;
+                }
+            }
+        }
+    }
+
+    skipSpacesAndComments(dateString);
+
+    if (*dateString && year == -1) {
+        if (!parseLong(dateString, &newPosStr, 10, &year))
+            return NaN;
+        dateString = newPosStr;
+    }
+
+    skipSpacesAndComments(dateString);
+
+    // Trailing garbage
+    if (*dateString)
+        return NaN;
+
+    // Y2K: Handle 2 digit years.
+    if (year >= 0 && year < 100) {
+        if (year < 50)
+            year += 2000;
+        else
+            year += 1900;
+    }
+
+    // fall back to local timezone
+    if (!haveTZ) {
+        GregorianDateTime t;
+        t.monthDay = day;
+        t.month = month;
+        t.year = year - 1900;
+        t.isDST = -1;
+        t.second = second;
+        t.minute = minute;
+        t.hour = hour;
+
+        // Use our gregorianDateTimeToMS() rather than mktime() as the latter can't handle the full year range.
+        return gregorianDateTimeToMS(t, 0, false);
+    }
+
+    return (ymdhmsToSeconds(year, month + 1, day, hour, minute, second) - (offset * 60.0)) * msPerSecond;
+}
+
+double timeClip(double t)
+{
+    if (!isfinite(t))
+        return NaN;
+    if (fabs(t) > 8.64E15)
+        return NaN;
+    return trunc(t);
+}
+
+
+} // namespace WTF