1 /*
2 ********************************************************************************
3 *   Copyright (C) 2005-2015, 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     using DateFormat::format;
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 U_NAMESPACE_END
131 
132 #endif /* #if !UCONFIG_NO_FORMATTING */
133 
134 #endif // U_PLATFORM_HAS_WIN32_API
135 
136 #endif // __WINDTFMT
137