Merge webkit.org at r54127 : Initial merge by git

Change-Id: Ib661abb595522f50ea406f72d3a0ce17f7193c82

1 files changed, 0 insertions, 435 deletions

diff --git a/WebCore/html/ISODateTime.cpp b/WebCore/html/ISODateTime.cpp
deleted file mode 100644
index 4c28ac0..0000000
--- a/WebCore/html/ISODateTime.cpp
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ISODateTime.h"
-
-#include <limits.h>
-#include <wtf/ASCIICType.h>
-
-namespace WebCore {
-
-// The oldest day of Gregorian Calendar is 1582-10-15. We don't support dates older than it.
-static const int gregorianStartYear = 1582;
-static const int gregorianStartMonth = 9; // This is October, since months are 0 based.
-static const int gregorianStartDay = 15;
-
-static const int daysInMonth[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-
-static bool isLeapYear(int year)
-{
-    if (year % 4)
-        return false;
-    if (!(year % 400))
-        return true;
-    if (!(year % 100))
-        return false;
-    return true;
-}
-
-// `month' is 0-based.
-static int maxDayOfMonth(int year, int month)
-{
-    if (month != 1) // February?
-        return daysInMonth[month];
-    return isLeapYear(year) ? 29 : 28;
-}
-
-// `month' is 0-based.
-static int dayOfWeek(int year, int month, int day)
-{
-    int shiftedMonth = month + 2;
-    // 2:January, 3:Feburuary, 4:March, ...
-
-    // Zeller's congruence
-    if (shiftedMonth <= 3) {
-        shiftedMonth += 12;
-        year--;
-    }
-    // 4:March, ..., 14:January, 15:February
-
-    int highYear = year / 100;
-    int lowYear = year % 100;
-    // We add 6 to make the result Sunday-origin.
-    int result = (day + 13 * shiftedMonth / 5 + lowYear + lowYear / 4 + highYear / 4 + 5 * highYear + 6) % 7;
-    return result;
-}
-
-int ISODateTime::maxWeekNumberInYear() const
-{
-    int day = dayOfWeek(m_year, 0, 1); // January 1.
-    return day == Thursday || (day == Wednesday && isLeapYear(m_year)) ? 53 : 52;
-}
-
-static unsigned countDigits(const UChar* src, unsigned length, unsigned start)
-{
-    unsigned index = start;
-    for (; index < length; ++index) {
-        if (!isASCIIDigit(src[index]))
-            break;
-    }
-    return index - start;
-}
-
-// Very strict integer parser. Do not allow leading or trailing whitespace unlike charactersToIntStrict().
-static bool toInt(const UChar* src, unsigned length, unsigned parseStart, unsigned parseLength, int& out)
-{
-    if (parseStart + parseLength > length || parseLength <= 0)
-        return false;
-    int value = 0;
-    const UChar* current = src + parseStart;
-    const UChar* end = current + parseLength;
-
-    // We don't need to handle negative numbers for ISO 8601.
-    for (; current < end; ++current) {
-        if (!isASCIIDigit(*current))
-            return false;
-        int digit = *current - '0';
-        if (value > (INT_MAX - digit) / 10) // Check for overflow.
-            return false;
-        value = value * 10 + digit;
-    }
-    out = value;
-    return true;
-}
-
-bool ISODateTime::parseYear(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    unsigned digitsLength = countDigits(src, length, start);
-    // Needs at least 4 digits according to the standard.
-    if (digitsLength < 4)
-        return false;
-    int year;
-    if (!toInt(src, length, start, digitsLength, year))
-        return false;
-    // No support for years before Gregorian calendar.
-    if (year < gregorianStartYear)
-        return false;
-    m_year = year;
-    end = start + digitsLength;
-    return true;
-}
-
-bool ISODateTime::addDay(int dayDiff)
-{
-    ASSERT(m_monthDay);
-
-    int day = m_monthDay + dayDiff;
-    if (day > maxDayOfMonth(m_year, m_month)) {
-        day = m_monthDay;
-        int year = m_year;
-        int month = m_month;
-        int maxDay = maxDayOfMonth(year, month);
-        for (; dayDiff > 0; --dayDiff) {
-            ++day;
-            if (day > maxDay) {
-                day = 1;
-                ++month;
-                if (month >= 12) { // month is 0-origin.
-                    month = 0;
-                    ++year;
-                    if (year < 0) // Check for overflow.
-                        return false;
-                }
-                maxDay = maxDayOfMonth(year, month);
-            }
-        }
-        m_year = year;
-        m_month = month;
-    } else if (day < 1) {
-        int month = m_month;
-        int year = m_year;
-        day = m_monthDay;
-        for (; dayDiff < 0; ++dayDiff) {
-            --day;
-            if (day < 1) {
-                --month;
-                if (month < 0) {
-                    month = 11;
-                    --year;
-                }
-                day = maxDayOfMonth(year, month);
-            }
-            if (year < gregorianStartYear
-                    || (year == gregorianStartYear && month < gregorianStartMonth)
-                    || (year == gregorianStartYear && month == gregorianStartMonth && day < gregorianStartDay))
-                return false;
-        }
-        m_year = year;
-        m_month = month;
-    }
-    m_monthDay = day;
-    return true;
-}
-
-bool ISODateTime::addMinute(int minute)
-{
-    int carry;
-    // min can be negative or greater than 59.
-    minute += m_minute;
-    if (minute > 59) {
-        carry = minute / 60;
-        minute = minute % 60;
-    } else if (m_minute < 0) {
-        carry = (59 - m_minute) / 60;
-        minute += carry * 60;
-        carry = -carry;
-        ASSERT(minute >= 0 && minute <= 59);
-    } else {
-        m_minute = minute;
-        return true;
-    }
-
-    int hour = m_hour + carry;
-    if (hour > 23) {
-        carry = hour / 24;
-        hour = hour % 24;
-    } else if (hour < 0) {
-        carry = (23 - hour) / 24;
-        hour += carry * 24;
-        carry = -carry;
-        ASSERT(hour >= 0 && hour <= 23);
-    } else {
-        m_minute = minute;
-        m_hour = hour;
-        return true;
-    }
-    if (!addDay(carry))
-        return false;
-    m_minute = minute;
-    m_hour = hour;
-    return true;
-}
-
-// Parses a timezone part, and adjust year, month, monthDay, hour, minute, second, millisecond.
-bool ISODateTime::parseTimeZone(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    if (start >= length)
-        return false;
-    unsigned index = start;
-    if (src[index] == 'Z') {
-        end = index + 1;
-        return true;
-    }
-
-    bool minus;
-    if (src[index] == '+')
-        minus = false;
-    else if (src[index] == '-')
-        minus = true;
-    else
-        return false;
-    ++index;
-
-    int hour;
-    int minute;
-    if (!toInt(src, length, index, 2, hour) || hour < 0 || hour > 23)
-        return false;
-    index += 2;
-
-    if (index >= length || src[index] != ':')
-        return false;
-    ++index;
-
-    if (!toInt(src, length, index, 2, minute) || minute < 0 || minute > 59)
-        return false;
-    index += 2;
-
-    if (minus) {
-        hour = -hour;
-        minute = -minute;
-    }
-
-    // Subtract the timezone offset.
-    if (!addMinute(-(hour * 60 + minute)))
-        return false;
-    end = index;
-    return true;
-}
-
-bool ISODateTime::parseMonth(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    unsigned index;
-    if (!parseYear(src, length, start, index))
-        return false;
-    if (index >= length || src[index] != '-')
-        return false;
-    ++index;
-
-    int month;
-    if (!toInt(src, length, index, 2, month) || month < 1 || month > 12)
-        return false;
-    --month;
-    // No support for months before Gregorian calendar.
-    if (m_year == gregorianStartYear && month < gregorianStartMonth)
-        return false;
-    m_month = month;
-    end = index + 2;
-    return true;
-}
-
-bool ISODateTime::parseDate(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    unsigned index;
-    if (!parseMonth(src, length, start, index))
-        return false;
-    // '-' and 2-digits are needed.
-    if (index + 2 >= length)
-        return false;
-    if (src[index] != '-')
-        return false;
-    ++index;
-
-    int day;
-    if (!toInt(src, length, index, 2, day) || day < 1 || day > maxDayOfMonth(m_year, m_month))
-        return false;
-    // No support for dates before Gregorian calendar.
-    if (m_year == gregorianStartYear && m_month == gregorianStartMonth && day < gregorianStartDay)
-        return false;
-    m_monthDay = day;
-    end = index + 2;
-    return true;
-}
-
-bool ISODateTime::parseWeek(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    unsigned index;
-    if (!parseYear(src, length, start, index))
-        return false;
-
-    // 4 characters ('-' 'W' digit digit) are needed.
-    if (index + 3 >= length)
-        return false;
-    if (src[index] != '-')
-        return false;
-    ++index;
-    if (src[index] != 'W')
-        return false;
-    ++index;
-
-    int week;
-    if (!toInt(src, length, index, 2, week) || week < 1 || week > maxWeekNumberInYear())
-        return false;
-    // No support for years older than or equals to Gregorian calendar start year.
-    if (m_year <= gregorianStartYear)
-        return false;
-    m_week = week;
-    end = index + 2;
-    return true;
-}
-
-bool ISODateTime::parseTime(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    int hour;
-    if (!toInt(src, length, start, 2, hour) || hour < 0 || hour > 23)
-        return false;
-    unsigned index = start + 2;
-    if (index >= length)
-        return false;
-    if (src[index] != ':')
-        return false;
-    ++index;
-
-    int minute;
-    if (!toInt(src, length, index, 2, minute) || minute < 0 || minute > 59)
-        return false;
-    index += 2;
-
-    int second = 0;
-    int millisecond = 0;
-    // Optional second part.
-    // Do not return with false because the part is optional.
-    if (index + 2 < length && src[index] == ':') {
-        if (toInt(src, length, index + 1, 2, second) && second >= 0 && second <= 59) {
-            index += 3;
-
-            // Optional fractional second part.
-            if (index < length && src[index] == '.') {
-                unsigned digitsLength = countDigits(src, length, index + 1);
-                if (digitsLength >  0) {
-                    ++index;
-                    bool ok;
-                    if (digitsLength == 1) {
-                        ok = toInt(src, length, index, 1, millisecond);
-                        millisecond *= 100;
-                    } else if (digitsLength == 2) {
-                        ok = toInt(src, length, index, 2, millisecond);
-                        millisecond *= 10;
-                    } else // digitsLength >= 3
-                        ok = toInt(src, length, index, 3, millisecond);
-                    ASSERT(ok);
-                    index += digitsLength;
-                }
-            }
-        }
-    }
-    m_hour = hour;
-    m_minute = minute;
-    m_second = second;
-    m_millisecond = millisecond;
-    end = index;
-    return true;
-}
-
-bool ISODateTime::parseDateTimeLocal(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    unsigned index;
-    if (!parseDate(src, length, start, index))
-        return false;
-    if (index >= length)
-        return false;
-    if (src[index] != 'T')
-        return false;
-    ++index;
-    return parseTime(src, length, index, end);
-}
-
-bool ISODateTime::parseDateTime(const UChar* src, unsigned length, unsigned start, unsigned& end)
-{
-    ASSERT(src);
-    unsigned index;
-    if (!parseDate(src, length, start, index))
-        return false;
-    if (index >= length)
-        return false;
-    if (src[index] != 'T')
-        return false;
-    ++index;
-    if (!parseTime(src, length, index, index))
-        return false;
-    return parseTimeZone(src, length, index, end);
-}
-
-} // namespace WebCore