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      1 /*
      2 ********************************************************************************
      3 *   Copyright (C) 2005-2013, International Business Machines
      4 *   Corporation and others.  All Rights Reserved.
      5 ********************************************************************************
      6 *
      7 * File WINDTFMT.H
      8 *
      9 ********************************************************************************
     10 */
     11 
     12 #ifndef __WINDTFMT
     13 #define __WINDTFMT
     14 
     15 #include "unicode/utypes.h"
     16 
     17 #if U_PLATFORM_HAS_WIN32_API
     18 
     19 #if !UCONFIG_NO_FORMATTING
     20 
     21 #include "unicode/format.h"
     22 #include "unicode/datefmt.h"
     23 #include "unicode/calendar.h"
     24 #include "unicode/ustring.h"
     25 #include "unicode/locid.h"
     26 
     27 /**
     28  * \file
     29  * \brief C++ API: Format dates using Windows API.
     30  */
     31 
     32 U_CDECL_BEGIN
     33 // Forward declarations for Windows types...
     34 typedef struct _SYSTEMTIME SYSTEMTIME;
     35 typedef struct _TIME_ZONE_INFORMATION TIME_ZONE_INFORMATION;
     36 U_CDECL_END
     37 
     38 U_NAMESPACE_BEGIN
     39 
     40 class Win32DateFormat : public DateFormat
     41 {
     42 public:
     43     Win32DateFormat(DateFormat::EStyle timeStyle, DateFormat::EStyle dateStyle, const Locale &locale, UErrorCode &status);
     44 
     45     Win32DateFormat(const Win32DateFormat &other);
     46 
     47     virtual ~Win32DateFormat();
     48 
     49     virtual Format *clone(void) const;
     50 
     51     Win32DateFormat &operator=(const Win32DateFormat &other);
     52 
     53     UnicodeString &format(Calendar &cal, UnicodeString &appendTo, FieldPosition &pos) const;
     54 
     55     UnicodeString& format(UDate date, UnicodeString& appendTo) const;
     56 
     57     void parse(const UnicodeString& text, Calendar& cal, ParsePosition& pos) const;
     58 
     59     /**
     60      * Set the calendar to be used by this date format. Initially, the default
     61      * calendar for the specified or default locale is used.  The caller should
     62      * not delete the Calendar object after it is adopted by this call.
     63      *
     64      * @param calendarToAdopt    Calendar object to be adopted.
     65      */
     66     virtual void adoptCalendar(Calendar* calendarToAdopt);
     67 
     68     /**
     69      * Set the calendar to be used by this date format. Initially, the default
     70      * calendar for the specified or default locale is used.
     71      *
     72      * @param newCalendar Calendar object to be set.
     73      */
     74     virtual void setCalendar(const Calendar& newCalendar);
     75 
     76     /**
     77      * Sets the time zone for the calendar of this DateFormat object. The caller
     78      * no longer owns the TimeZone object and should not delete it after this call.
     79      *
     80      * @param zoneToAdopt the TimeZone to be adopted.
     81      */
     82     virtual void adoptTimeZone(TimeZone* zoneToAdopt);
     83 
     84     /**
     85      * Sets the time zone for the calendar of this DateFormat object.
     86      * @param zone the new time zone.
     87      */
     88     virtual void setTimeZone(const TimeZone& zone);
     89 
     90     /**
     91      * Return the class ID for this class. This is useful only for comparing to
     92      * a return value from getDynamicClassID(). For example:
     93      * <pre>
     94      * .   Base* polymorphic_pointer = createPolymorphicObject();
     95      * .   if (polymorphic_pointer->getDynamicClassID() ==
     96      * .       erived::getStaticClassID()) ...
     97      * </pre>
     98      * @return          The class ID for all objects of this class.
     99      */
    100     U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);
    101 
    102     /**
    103      * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
    104      * method is to implement a simple version of RTTI, since not all C++
    105      * compilers support genuine RTTI. Polymorphic operator==() and clone()
    106      * methods call this method.
    107      *
    108      * @return          The class ID for this object. All objects of a
    109      *                  given class have the same class ID.  Objects of
    110      *                  other classes have different class IDs.
    111      */
    112     virtual UClassID getDynamicClassID(void) const;
    113 
    114 private:
    115     void formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const;
    116     void formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const;
    117 
    118     UnicodeString setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const;
    119     UnicodeString* getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const;
    120 
    121     UnicodeString *fDateTimeMsg;
    122     DateFormat::EStyle fTimeStyle;
    123     DateFormat::EStyle fDateStyle;
    124     Locale fLocale;
    125     int32_t fLCID;
    126     UnicodeString fZoneID;
    127     TIME_ZONE_INFORMATION *fTZI;
    128 };
    129 
    130 inline UnicodeString &Win32DateFormat::format(UDate date, UnicodeString& appendTo) const {
    131     return DateFormat::format(date, appendTo);
    132 }
    133 
    134 U_NAMESPACE_END
    135 
    136 #endif /* #if !UCONFIG_NO_FORMATTING */
    137 
    138 #endif // U_PLATFORM_HAS_WIN32_API
    139 
    140 #endif // __WINDTFMT
    141