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      1 /*
      2 ********************************************************************************
      3 *   Copyright (C) 2005-2009, 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 #ifdef U_WINDOWS
     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      * @draft ICU 3.6
     66      */
     67     virtual void adoptCalendar(Calendar* calendarToAdopt);
     68 
     69     /**
     70      * Set the calendar to be used by this date format. Initially, the default
     71      * calendar for the specified or default locale is used.
     72      *
     73      * @param newCalendar Calendar object to be set.
     74      *
     75      * @draft ICU 3.6
     76      */
     77     virtual void setCalendar(const Calendar& newCalendar);
     78 
     79     /**
     80      * Sets the time zone for the calendar of this DateFormat object. The caller
     81      * no longer owns the TimeZone object and should not delete it after this call.
     82      *
     83      * @param zoneToAdopt the TimeZone to be adopted.
     84      *
     85      * @draft ICU 3.6
     86      */
     87     virtual void adoptTimeZone(TimeZone* zoneToAdopt);
     88 
     89     /**
     90      * Sets the time zone for the calendar of this DateFormat object.
     91      * @param zone the new time zone.
     92      *
     93      * @draft ICU 3.6
     94      */
     95     virtual void setTimeZone(const TimeZone& zone);
     96 
     97     /**
     98      * Return the class ID for this class. This is useful only for comparing to
     99      * a return value from getDynamicClassID(). For example:
    100      * <pre>
    101      * .   Base* polymorphic_pointer = createPolymorphicObject();
    102      * .   if (polymorphic_pointer->getDynamicClassID() ==
    103      * .       erived::getStaticClassID()) ...
    104      * </pre>
    105      * @return          The class ID for all objects of this class.
    106      * @draft ICU 3.6
    107      */
    108     U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);
    109 
    110     /**
    111      * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
    112      * method is to implement a simple version of RTTI, since not all C++
    113      * compilers support genuine RTTI. Polymorphic operator==() and clone()
    114      * methods call this method.
    115      *
    116      * @return          The class ID for this object. All objects of a
    117      *                  given class have the same class ID.  Objects of
    118      *                  other classes have different class IDs.
    119      * @draft ICU 3.6
    120      */
    121     virtual UClassID getDynamicClassID(void) const;
    122 
    123 private:
    124     void formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const;
    125     void formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const;
    126 
    127     UnicodeString setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const;
    128     UnicodeString* getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const;
    129 
    130     UnicodeString *fDateTimeMsg;
    131     DateFormat::EStyle fTimeStyle;
    132     DateFormat::EStyle fDateStyle;
    133     const Locale *fLocale;
    134     int32_t fLCID;
    135     UnicodeString fZoneID;
    136     TIME_ZONE_INFORMATION *fTZI;
    137 };
    138 
    139 inline UnicodeString &Win32DateFormat::format(UDate date, UnicodeString& appendTo) const {
    140     return DateFormat::format(date, appendTo);
    141 }
    142 
    143 U_NAMESPACE_END
    144 
    145 #endif /* #if !UCONFIG_NO_FORMATTING */
    146 
    147 #endif // #ifdef U_WINDOWS
    148 
    149 #endif // __WINDTFMT
    150