icuSources/i18n/windtfmt.h

   1 /*
   2 ********************************************************************************
   3 *   Copyright (C) 2005-2011, 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     const 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