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

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef LocaleICU_h
  32 #define LocaleICU_h
  33
  34 #include <unicode/udat.h>
  35 #include <unicode/unum.h>
  36 #include "platform/DateComponents.h"
  37 #include "platform/text/PlatformLocale.h"
  38 #include "wtf/Forward.h"
  39 #include "wtf/OwnPtr.h"
  40 #include "wtf/text/CString.h"
  41 #include "wtf/text/WTFString.h"
  42
  43 namespace blink {
  44
  45 // We should use this class only for LocalizedNumberICU.cpp, LocalizedDateICU.cpp,
  46 // and LocalizedNumberICUTest.cpp.
  47 class PLATFORM_EXPORT LocaleICU : public Locale {
  48 public:
  49     static PassOwnPtr<LocaleICU> create(const char* localeString);
  50     ~LocaleICU() override;
  51
  52     const Vector<String>& weekDayShortLabels() override;
  53     unsigned firstDayOfWeek() override;
  54     bool isRTL() override;
  55     String dateFormat() override;
  56     String monthFormat() override;
  57     String shortMonthFormat() override;
  58     String timeFormat() override;
  59     String shortTimeFormat() override;
  60     String dateTimeFormatWithSeconds() override;
  61     String dateTimeFormatWithoutSeconds() override;
  62     const Vector<String>& monthLabels() override;
  63     const Vector<String>& shortMonthLabels() override;
  64     const Vector<String>& standAloneMonthLabels() override;
  65     const Vector<String>& shortStandAloneMonthLabels() override;
  66     const Vector<String>& timeAMPMLabels() override;
  67
  68 private:
  69     explicit LocaleICU(const char*);
  70     String decimalSymbol(UNumberFormatSymbol);
  71     String decimalTextAttribute(UNumberFormatTextAttribute);
  72     void initializeLocaleData() override;
  73
  74     bool detectSignAndGetDigitRange(const String& input, bool& isNegative, unsigned& startIndex, unsigned& endIndex);
  75     unsigned matchedDecimalSymbolIndex(const String& input, unsigned& position);
  76
  77     bool initializeShortDateFormat();
  78     UDateFormat* openDateFormat(UDateFormatStyle timeStyle, UDateFormatStyle dateStyle) const;
  79     UDateFormat* openDateFormatForStandAloneMonthLabels(bool isShort) const;
  80
  81     void initializeCalendar();
  82
  83     PassOwnPtr<Vector<String>> createLabelVector(const UDateFormat*, UDateFormatSymbolType, int32_t startIndex, int32_t size);
  84     void initializeDateTimeFormat();
  85
  86     CString m_locale;
  87     UNumberFormat* m_numberFormat;
  88     UDateFormat* m_shortDateFormat;
  89     bool m_didCreateDecimalFormat;
  90     bool m_didCreateShortDateFormat;
  91
  92     OwnPtr<Vector<String>> m_weekDayShortLabels;
  93     unsigned m_firstDayOfWeek;
  94     OwnPtr<Vector<String>> m_monthLabels;
  95     String m_dateFormat;
  96     String m_monthFormat;
  97     String m_shortMonthFormat;
  98     String m_timeFormatWithSeconds;
  99     String m_timeFormatWithoutSeconds;
 100     String m_dateTimeFormatWithSeconds;
 101     String m_dateTimeFormatWithoutSeconds;
 102     UDateFormat* m_mediumTimeFormat;
 103     UDateFormat* m_shortTimeFormat;
 104     Vector<String> m_shortMonthLabels;
 105     Vector<String> m_standAloneMonthLabels;
 106     Vector<String> m_shortStandAloneMonthLabels;
 107     Vector<String> m_timeAMPMLabels;
 108     bool m_didCreateTimeFormat;
 109 };
 110
 111 } // namespace blink
 112 #endif