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      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 WebCore {
     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     virtual ~LocaleICU();
     51 
     52     virtual const Vector<String>& weekDayShortLabels() OVERRIDE;
     53     virtual unsigned firstDayOfWeek() OVERRIDE;
     54     virtual bool isRTL() OVERRIDE;
     55     virtual String dateFormat() OVERRIDE;
     56     virtual String monthFormat() OVERRIDE;
     57     virtual String shortMonthFormat() OVERRIDE;
     58     virtual String timeFormat() OVERRIDE;
     59     virtual String shortTimeFormat() OVERRIDE;
     60     virtual String dateTimeFormatWithSeconds() OVERRIDE;
     61     virtual String dateTimeFormatWithoutSeconds() OVERRIDE;
     62     virtual const Vector<String>& monthLabels() OVERRIDE;
     63     virtual const Vector<String>& shortMonthLabels() OVERRIDE;
     64     virtual const Vector<String>& standAloneMonthLabels() OVERRIDE;
     65     virtual const Vector<String>& shortStandAloneMonthLabels() OVERRIDE;
     66     virtual const Vector<String>& timeAMPMLabels() OVERRIDE;
     67 
     68 private:
     69     explicit LocaleICU(const char*);
     70     String decimalSymbol(UNumberFormatSymbol);
     71     String decimalTextAttribute(UNumberFormatTextAttribute);
     72     virtual 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 
     80     void initializeCalendar();
     81 
     82     PassOwnPtr<Vector<String> > createLabelVector(const UDateFormat*, UDateFormatSymbolType, int32_t startIndex, int32_t size);
     83     void initializeDateTimeFormat();
     84 
     85     CString m_locale;
     86     UNumberFormat* m_numberFormat;
     87     UDateFormat* m_shortDateFormat;
     88     bool m_didCreateDecimalFormat;
     89     bool m_didCreateShortDateFormat;
     90 
     91     OwnPtr<Vector<String> > m_weekDayShortLabels;
     92     unsigned m_firstDayOfWeek;
     93     OwnPtr<Vector<String> > m_monthLabels;
     94     String m_dateFormat;
     95     String m_monthFormat;
     96     String m_shortMonthFormat;
     97     String m_timeFormatWithSeconds;
     98     String m_timeFormatWithoutSeconds;
     99     String m_dateTimeFormatWithSeconds;
    100     String m_dateTimeFormatWithoutSeconds;
    101     UDateFormat* m_mediumTimeFormat;
    102     UDateFormat* m_shortTimeFormat;
    103     Vector<String> m_shortMonthLabels;
    104     Vector<String> m_standAloneMonthLabels;
    105     Vector<String> m_shortStandAloneMonthLabels;
    106     Vector<String> m_timeAMPMLabels;
    107     bool m_didCreateTimeFormat;
    108 };
    109 
    110 } // namespace WebCore
    111 #endif
    112