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/*
* 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.
*/
#ifndef ISODateTime_h
#define ISODateTime_h
#include <wtf/unicode/Unicode.h>
namespace WebCore {
// An ISODateTime instance represents one of the following date and time combinations:
// * year-month
// * year-month-day
// * year-week
// * hour-minute-second-millisecond
// * year-month-day hour-minute-second-millisecond
class ISODateTime {
public:
ISODateTime()
: m_millisecond(0)
, m_second(0)
, m_minute(0)
, m_hour(0)
, m_monthDay(0)
, m_month(0)
, m_year(0)
, m_week(0)
{
}
int millisecond() const { return m_millisecond; }
int second() const { return m_second; }
int minute() const { return m_minute; }
int hour() const { return m_hour; }
int monthDay() const { return m_monthDay; }
int month() const { return m_month; }
int fullYear() const { return m_year; }
int week() const { return m_week; }
// The following six functions parse the input `src' whose length is
// `length', and updates some fields of this instance. The parsing starts at
// src[start] and examines characters before src[length].
// `src' `date' must be non-null. The `src' string doesn't need to be
// null-terminated.
// The functions return true if the parsing succeeds, and set `end' to the
// next index after the last consumed. Extra leading characters cause parse
// failures, and the trailing extra characters don't cause parse failures.
// Sets year and month.
bool parseMonth(const UChar* src, unsigned length, unsigned start, unsigned& end);
// Sets year, month and monthDay.
bool parseDate(const UChar* src, unsigned length, unsigned start, unsigned& end);
// Sets year and week.
bool parseWeek(const UChar* src, unsigned length, unsigned start, unsigned& end);
// Sets hour, minute, second and millisecond.
bool parseTime(const UChar* src, unsigned length, unsigned start, unsigned& end);
// Sets year, month, monthDay, hour, minute, second and millisecond.
bool parseDateTimeLocal(const UChar* src, unsigned length, unsigned start, unsigned& end);
// Sets year, month, monthDay, hour, minute, second and millisecond, and adjusts timezone.
bool parseDateTime(const UChar* src, unsigned length, unsigned start, unsigned& end);
private:
// Returns the maximum week number in this ISODateTime's year.
// The result is either of 52 and 53.
int maxWeekNumberInYear() const;
bool parseYear(const UChar* src, unsigned length, unsigned start, unsigned& end);
bool addDay(int);
bool addMinute(int);
bool parseTimeZone(const UChar* src, unsigned length, unsigned start, unsigned& end);
// m_weekDay values
enum {
Sunday = 0,
Monday,
Tuesday,
Wednesday,
Thursday,
Friday,
Saturday,
};
int m_millisecond; // 0 - 999
int m_second;
int m_minute;
int m_hour;
int m_monthDay; // 1 - 31
int m_month; // 0:January - 11:December
int m_year; // 1582 -
int m_week; // 1 - 53
};
} // namespace WebCore
#endif // ISODateTime_h
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