icuSources/i18n/windtfmt.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 ********************************************************************************
   5 *   Copyright (C) 2005-2015, International Business Machines
   6 *   Corporation and others.  All Rights Reserved.
   7 ********************************************************************************
   8 *
   9 * File WINDTFMT.H
  10 *
  11 ********************************************************************************
  12 */
  13
  14 #ifndef __WINDTFMT
  15 #define __WINDTFMT
  16
  17 #include "unicode/utypes.h"
  18
  19 #if U_PLATFORM_USES_ONLY_WIN32_API
  20
  21 #if !UCONFIG_NO_FORMATTING
  22
  23 #include "unicode/format.h"
  24 #include "unicode/datefmt.h"
  25 #include "unicode/calendar.h"
  26 #include "unicode/ustring.h"
  27 #include "unicode/locid.h"
  28
  29 /**
  30  * \file
  31  * \brief C++ API: Format dates using Windows API.
  32  */
  33
  34 U_CDECL_BEGIN
  35 // Forward declarations for Windows types...
  36 typedef struct _SYSTEMTIME SYSTEMTIME;
  37 typedef struct _TIME_ZONE_INFORMATION TIME_ZONE_INFORMATION;
  38 U_CDECL_END
  39
  40 U_NAMESPACE_BEGIN
  41
  42 class Win32DateFormat : public DateFormat
  43 {
  44 public:
  45     Win32DateFormat(DateFormat::EStyle timeStyle, DateFormat::EStyle dateStyle, const Locale &locale, UErrorCode &status);
  46
  47     Win32DateFormat(const Win32DateFormat &other);
  48
  49     virtual ~Win32DateFormat();
  50
  51     virtual Format *clone(void) const;
  52
  53     Win32DateFormat &operator=(const Win32DateFormat &other);
  54
  55     UnicodeString &format(Calendar &cal, UnicodeString &appendTo, FieldPosition &pos) const;
  56
  57     using DateFormat::format;
  58
  59     void parse(const UnicodeString& text, Calendar& cal, ParsePosition& pos) const;
  60
  61     /**
  62      * Set the calendar to be used by this date format. Initially, the default
  63      * calendar for the specified or default locale is used.  The caller should
  64      * not delete the Calendar object after it is adopted by this call.
  65      *
  66      * @param calendarToAdopt    Calendar object to be adopted.
  67      */
  68     virtual void adoptCalendar(Calendar* calendarToAdopt);
  69
  70     /**
  71      * Set the calendar to be used by this date format. Initially, the default
  72      * calendar for the specified or default locale is used.
  73      *
  74      * @param newCalendar Calendar object to be set.
  75      */
  76     virtual void setCalendar(const Calendar& newCalendar);
  77
  78     /**
  79      * Sets the time zone for the calendar of this DateFormat object. The caller
  80      * no longer owns the TimeZone object and should not delete it after this call.
  81      *
  82      * @param zoneToAdopt the TimeZone to be adopted.
  83      */
  84     virtual void adoptTimeZone(TimeZone* zoneToAdopt);
  85
  86     /**
  87      * Sets the time zone for the calendar of this DateFormat object.
  88      * @param zone the new time zone.
  89      */
  90     virtual void setTimeZone(const TimeZone& zone);
  91
  92     /**
  93      * Return the class ID for this class. This is useful only for comparing to
  94      * a return value from getDynamicClassID(). For example:
  95      * <pre>
  96      * .   Base* polymorphic_pointer = createPolymorphicObject();
  97      * .   if (polymorphic_pointer->getDynamicClassID() ==
  98      * .       derived::getStaticClassID()) ...
  99      * </pre>
 100      * @return          The class ID for all objects of this class.
 101      */
 102     U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);
 103
 104     /**
 105      * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
 106      * method is to implement a simple version of RTTI, since not all C++
 107      * compilers support genuine RTTI. Polymorphic operator==() and clone()
 108      * methods call this method.
 109      *
 110      * @return          The class ID for this object. All objects of a
 111      *                  given class have the same class ID.  Objects of
 112      *                  other classes have different class IDs.
 113      */
 114     virtual UClassID getDynamicClassID(void) const;
 115
 116 private:
 117     void formatDate(const SYSTEMTIME *st, UnicodeString &appendTo) const;
 118     void formatTime(const SYSTEMTIME *st, UnicodeString &appendTo) const;
 119
 120     UnicodeString setTimeZoneInfo(TIME_ZONE_INFORMATION *tzi, const TimeZone &zone) const;
 121     UnicodeString* getTimeDateFormat(const Calendar *cal, const Locale *locale, UErrorCode &status) const;
 122
 123     UnicodeString *fDateTimeMsg;
 124     DateFormat::EStyle fTimeStyle;
 125     DateFormat::EStyle fDateStyle;
 126     Locale fLocale;
 127     UnicodeString fZoneID;
 128     TIME_ZONE_INFORMATION *fTZI;
 129
 130     UnicodeString* fWindowsLocaleName; // Stores the equivalent Windows locale name.
 131 };
 132
 133 U_NAMESPACE_END
 134
 135 #endif /* #if !UCONFIG_NO_FORMATTING */
 136
 137 #endif // U_PLATFORM_USES_ONLY_WIN32_API
 138
 139 #endif // __WINDTFMT