icuSources/i18n/windtfmt.h

   1 /*
   2 ********************************************************************************
   3 *   Copyright (C) 2005-2007, 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
 129     UnicodeString *fDateTimeMsg;
 130     DateFormat::EStyle fTimeStyle;
 131     DateFormat::EStyle fDateStyle;
 132     const Locale *fLocale;
 133     int32_t fLCID;
 134     UnicodeString fZoneID;
 135     TIME_ZONE_INFORMATION *fTZI;
 136 };
 137
 138 inline UnicodeString &Win32DateFormat::format(UDate date, UnicodeString& appendTo) const {
 139     return DateFormat::format(date, appendTo);
 140 }
 141
 142 U_NAMESPACE_END
 143
 144 #endif /* #if !UCONFIG_NO_FORMATTING */
 145
 146 #endif // #ifdef U_WINDOWS
 147
 148 #endif // __WINDTFMT