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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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_TEXT_DATE_TIME_FORMAT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TEXT_DATE_TIME_FORMAT_H_
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
// DateTimeFormat parses date time format defined in Unicode Technical
// standard 35, Locale Data Markup Language (LDML)[1].
// [1] https://unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns
class PLATFORM_EXPORT DateTimeFormat {
STATIC_ONLY(DateTimeFormat);
public:
enum FieldType {
kFieldTypeInvalid,
kFieldTypeLiteral,
// Era: AD
kFieldTypeEra = 'G',
// Year: 1996
kFieldTypeYear = 'y',
kFieldTypeYearOfWeekOfYear = 'Y',
kFieldTypeExtendedYear = 'u',
kFieldTypeYearCyclicName = 'U',
kFieldTypeYearRelatedGregorian = 'r',
// Quater: Q2
kFieldTypeQuater = 'Q',
kFieldTypeQuaterStandAlone = 'q',
// Month: September
kFieldTypeMonth = 'M',
kFieldTypeMonthStandAlone = 'L',
// Week: 42
kFieldTypeWeekOfYear = 'w',
kFieldTypeWeekOfMonth = 'W',
// Day: 12
kFieldTypeDayOfMonth = 'd',
kFieldTypeDayOfYear = 'D',
kFieldTypeDayOfWeekInMonth = 'F',
kFieldTypeModifiedJulianDay = 'g',
// Week Day: Tuesday
kFieldTypeDayOfWeek = 'E',
kFieldTypeLocalDayOfWeek = 'e',
kFieldTypeLocalDayOfWeekStandAlon = 'c',
// Period: AM or PM
kFieldTypePeriod = 'a',
kFieldTypePeriodAmPmNoonMidnight = 'b',
kFieldTypePeriodFlexible = 'B',
// Hour: 7
kFieldTypeHour12 = 'h',
kFieldTypeHour23 = 'H',
kFieldTypeHour11 = 'K',
kFieldTypeHour24 = 'k',
// Minute: 59
kFieldTypeMinute = 'm',
// Second: 12
kFieldTypeSecond = 's',
kFieldTypeFractionalSecond = 'S',
kFieldTypeMillisecondsInDay = 'A',
// Zone: PDT
kFieldTypeZone = 'z',
kFieldTypeZoneLocalized = 'O',
kFieldTypeNonLocationZone = 'v',
kFieldTypeZoneId = 'V',
kFieldTypeRFC822Zone = 'Z',
kFieldTypeZoneIso8601Z = 'X',
kFieldTypeZoneIso8601 = 'x',
};
class TokenHandler {
STACK_ALLOCATED();
public:
TokenHandler() = default;
TokenHandler(const TokenHandler&) = delete;
TokenHandler& operator=(const TokenHandler&) = delete;
virtual ~TokenHandler() = default;
virtual void VisitField(FieldType, int number_of_pattern_characters) = 0;
virtual void VisitLiteral(const String&) = 0;
};
// Returns true if succeeded, false if failed.
static bool Parse(const String&, TokenHandler&);
static void QuoteAndappend(const String&, StringBuilder&);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TEXT_DATE_TIME_FORMAT_H_
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