third_party/WebKit/Source/platform/text/LocaleICU.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#ifndef LocaleICU_h
#define LocaleICU_h

#include <unicode/udat.h>
#include <unicode/unum.h>
#include <memory>
#include "platform/DateComponents.h"
#include "platform/text/PlatformLocale.h"
#include "platform/wtf/Forward.h"
#include "platform/wtf/text/CString.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

// We should use this class only for LocalizedNumberICU.cpp,
// LocalizedDateICU.cpp, and LocalizedNumberICUTest.cpp.
class PLATFORM_EXPORT LocaleICU : public Locale {
 public:
  static std::unique_ptr<LocaleICU> Create(const char* locale_string);
  ~LocaleICU() override;

  const Vector<String>& WeekDayShortLabels() override;
  unsigned FirstDayOfWeek() override;
  bool IsRTL() override;
  String DateFormat() override;
  String MonthFormat() override;
  String ShortMonthFormat() override;
  String TimeFormat() override;
  String ShortTimeFormat() override;
  String DateTimeFormatWithSeconds() override;
  String DateTimeFormatWithoutSeconds() override;
  const Vector<String>& MonthLabels() override;
  const Vector<String>& ShortMonthLabels() override;
  const Vector<String>& StandAloneMonthLabels() override;
  const Vector<String>& ShortStandAloneMonthLabels() override;
  const Vector<String>& TimeAMPMLabels() override;

 private:
  explicit LocaleICU(const char*);
  String DecimalSymbol(UNumberFormatSymbol);
  String DecimalTextAttribute(UNumberFormatTextAttribute);
  void InitializeLocaleData() override;

  bool DetectSignAndGetDigitRange(const String& input,
                                  bool& is_negative,
                                  unsigned& start_index,
                                  unsigned& end_index);
  unsigned MatchedDecimalSymbolIndex(const String& input, unsigned& position);

  bool InitializeShortDateFormat();
  UDateFormat* OpenDateFormat(UDateFormatStyle time_style,
                              UDateFormatStyle date_style) const;
  UDateFormat* OpenDateFormatForStandAloneMonthLabels(bool is_short) const;

  void InitializeCalendar();

  std::unique_ptr<Vector<String>> CreateLabelVector(const UDateFormat*,
                                                    UDateFormatSymbolType,
                                                    int32_t start_index,
                                                    int32_t size);
  void InitializeDateTimeFormat();

  CString locale_;
  UNumberFormat* number_format_;
  UDateFormat* short_date_format_;
  bool did_create_decimal_format_;
  bool did_create_short_date_format_;

  std::unique_ptr<Vector<String>> week_day_short_labels_;
  unsigned first_day_of_week_;
  std::unique_ptr<Vector<String>> month_labels_;
  String date_format_;
  String month_format_;
  String short_month_format_;
  String time_format_with_seconds_;
  String time_format_without_seconds_;
  String date_time_format_with_seconds_;
  String date_time_format_without_seconds_;
  UDateFormat* medium_time_format_;
  UDateFormat* short_time_format_;
  Vector<String> short_month_labels_;
  Vector<String> stand_alone_month_labels_;
  Vector<String> short_stand_alone_month_labels_;
  Vector<String> time_ampm_labels_;
  bool did_create_time_format_;
};

}  // namespace blink
#endif