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/*
* Copyright (C) 2012 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 DateTimeFormat_h
#define DateTimeFormat_h
#if ENABLE(INPUT_TYPE_TIME_MULTIPLE_FIELDS)
#include <wtf/text/WTFString.h>
namespace WebCore {
// DateTimeFormat parses date time format defined in Unicode Technical
// standard 35, Locale Data Markup Language (LDML)[1].
// [1] LDML http://unicode.org/reports/tr35/tr35-6.html#Date_Format_Patterns
class DateTimeFormat {
public:
enum FieldType {
FieldTypeInvalid,
FieldTypeLiteral,
// Era: AD
FieldTypeEra = 'G',
// Year: 1996
FieldTypeYear = 'y',
FieldTypeYearOfWeekOfYear = 'Y',
FieldTypeExtendedYear = 'u',
// Quater: Q2
FieldTypeQuater = 'Q',
FieldTypeQuaterStandAlone = 'q',
// Month: September
FieldTypeMonth = 'M',
FieldTypeMonthStandAlone = 'L',
// Week: 42
FieldTypeWeekOfYear = 'W',
FieldTypeWeekOfMonth = 'w',
// Day: 12
FieldTypeDayOfMonth = 'd',
FieldTypeDayOfYear = 'D',
FieldTypeDayOfWeekInMonth = 'F',
FieldTypeModifiedJulianDay = 'g',
// Week Day: Tuesday
FieldTypeDayOfWeek = 'E',
FieldTypeLocalDayOfWeek = 'e',
FieldTypeLocalDayOfWeekStandAlon = 'c',
// Period: AM or PM
FieldTypePeriod = 'a',
// Hour: 7
FieldTypeHour12 = 'h',
FieldTypeHour23 = 'H',
FieldTypeHour11 = 'K',
FieldTypeHour24 = 'k',
// Minute: 59
FieldTypeMinute = 'm',
// Second: 12
FieldTypeSecond = 's',
FieldTypeFractionalSecond = 'S',
FieldTypeMillisecondsInDay = 'A',
// Zone: PDT
FieldTypeZone = 'z',
FieldTypeRFC822Zone = 'Z',
FieldTypeNonLocationZone = 'v',
};
class TokenHandler {
public:
virtual ~TokenHandler() { }
virtual void visitField(FieldType, int numberOfPatternCharacters) = 0;
virtual void visitLiteral(const String&) = 0;
};
// Returns true if succeeded, false if failed.
static bool parse(const String&, TokenHandler&);
};
} // namespace WebCore
#endif
#endif // DateTimeFormat_h
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