• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4  *******************************************************************************
5  * Copyright (C) 2008-2014, Google, International Business Machines Corporation
6  * and others. All Rights Reserved.
7  *******************************************************************************
8  */
9 
10 #ifndef __TMUTFMT_H__
11 #define __TMUTFMT_H__
12 
13 #include "unicode/utypes.h"
14 
15 /**
16  * \file
17  * \brief C++ API: Format and parse duration in single time unit
18  */
19 
20 
21 #if U_SHOW_CPLUSPLUS_API
22 
23 #if !UCONFIG_NO_FORMATTING
24 
25 #include "unicode/unistr.h"
26 #include "unicode/tmunit.h"
27 #include "unicode/tmutamt.h"
28 #include "unicode/measfmt.h"
29 #include "unicode/numfmt.h"
30 #include "unicode/plurrule.h"
31 
32 #ifndef U_HIDE_DEPRECATED_API
33 
34 /**
35  * Constants for various styles.
36  * There are 2 styles: full name and abbreviated name.
37  * For example, for English, the full name for hour duration is "3 hours",
38  * and the abbreviated name is "3 hrs".
39  * @deprecated ICU 53 Use MeasureFormat and UMeasureFormatWidth instead.
40  */
41 enum UTimeUnitFormatStyle {
42     /** @deprecated ICU 53 */
43     UTMUTFMT_FULL_STYLE,
44     /** @deprecated ICU 53 */
45     UTMUTFMT_ABBREVIATED_STYLE,
46     /** @deprecated ICU 53 */
47     UTMUTFMT_FORMAT_STYLE_COUNT
48 };
49 typedef enum UTimeUnitFormatStyle UTimeUnitFormatStyle; /**< @deprecated ICU 53 */
50 
51 
52 U_NAMESPACE_BEGIN
53 
54 class Hashtable;
55 class UVector;
56 
57 struct TimeUnitFormatReadSink;
58 
59 /**
60  * Format or parse a TimeUnitAmount, using plural rules for the units where available.
61  *
62  * <P>
63  * Code Sample:
64  * <pre>
65  *   // create time unit amount instance - a combination of Number and time unit
66  *   UErrorCode status = U_ZERO_ERROR;
67  *   TimeUnitAmount* source = new TimeUnitAmount(2, TimeUnit::UTIMEUNIT_YEAR, status);
68  *   // create time unit format instance
69  *   TimeUnitFormat* format = new TimeUnitFormat(Locale("en"), status);
70  *   // format a time unit amount
71  *   UnicodeString formatted;
72  *   Formattable formattable;
73  *   if (U_SUCCESS(status)) {
74  *       formattable.adoptObject(source);
75  *       formatted = ((Format*)format)->format(formattable, formatted, status);
76  *       Formattable result;
77  *       ((Format*)format)->parseObject(formatted, result, status);
78  *       if (U_SUCCESS(status)) {
79  *           assert (result == formattable);
80  *       }
81  *   }
82  * </pre>
83  *
84  * <P>
85  * @see TimeUnitAmount
86  * @see TimeUnitFormat
87  * @deprecated ICU 53 Use the MeasureFormat class instead.
88  */
89 class U_I18N_API TimeUnitFormat: public MeasureFormat {
90 public:
91 
92     /**
93      * Create TimeUnitFormat with default locale, and full name style.
94      * Use setLocale and/or setFormat to modify.
95      * @deprecated ICU 53
96      */
97     TimeUnitFormat(UErrorCode& status);
98 
99     /**
100      * Create TimeUnitFormat given locale, and full name style.
101      * @deprecated ICU 53
102      */
103     TimeUnitFormat(const Locale& locale, UErrorCode& status);
104 
105     /**
106      * Create TimeUnitFormat given locale and style.
107      * @deprecated ICU 53
108      */
109     TimeUnitFormat(const Locale& locale, UTimeUnitFormatStyle style, UErrorCode& status);
110 
111     /**
112      * Copy constructor.
113      * @deprecated ICU 53
114      */
115     TimeUnitFormat(const TimeUnitFormat&);
116 
117     /**
118      * deconstructor
119      * @deprecated ICU 53
120      */
121     virtual ~TimeUnitFormat();
122 
123     /**
124      * Clone this Format object polymorphically. The caller owns the result and
125      * should delete it when done.
126      * @return    A copy of the object.
127      * @deprecated ICU 53
128      */
129     virtual TimeUnitFormat* clone() const override;
130 
131     /**
132      * Assignment operator
133      * @deprecated ICU 53
134      */
135     TimeUnitFormat& operator=(const TimeUnitFormat& other);
136 
137     /**
138      * Set the locale used for formatting or parsing.
139      * @param locale  the locale to be set
140      * @param status  output param set to success/failure code on exit
141      * @deprecated ICU 53
142      */
143     void setLocale(const Locale& locale, UErrorCode& status);
144 
145 
146     /**
147      * Set the number format used for formatting or parsing.
148      * @param format  the number formatter to be set
149      * @param status  output param set to success/failure code on exit
150      * @deprecated ICU 53
151      */
152     void setNumberFormat(const NumberFormat& format, UErrorCode& status);
153 
154     /**
155      * Parse a TimeUnitAmount.
156      * @see Format#parseObject(const UnicodeString&, Formattable&, ParsePosition&) const;
157      * @deprecated ICU 53
158      */
159     virtual void parseObject(const UnicodeString& source,
160                              Formattable& result,
161                              ParsePosition& pos) const override;
162 
163     /**
164      * Return the class ID for this class. This is useful only for comparing to
165      * a return value from getDynamicClassID(). For example:
166      * <pre>
167      * .   Base* polymorphic_pointer = createPolymorphicObject();
168      * .   if (polymorphic_pointer->getDynamicClassID() ==
169      * .       erived::getStaticClassID()) ...
170      * </pre>
171      * @return          The class ID for all objects of this class.
172      * @deprecated ICU 53
173      */
174     static UClassID U_EXPORT2 getStaticClassID(void);
175 
176     /**
177      * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
178      * method is to implement a simple version of RTTI, since not all C++
179      * compilers support genuine RTTI. Polymorphic operator==() and clone()
180      * methods call this method.
181      *
182      * @return          The class ID for this object. All objects of a
183      *                  given class have the same class ID.  Objects of
184      *                  other classes have different class IDs.
185      * @deprecated ICU 53
186      */
187     virtual UClassID getDynamicClassID(void) const override;
188 
189 private:
190     Hashtable*    fTimeUnitToCountToPatterns[TimeUnit::UTIMEUNIT_FIELD_COUNT];
191     UTimeUnitFormatStyle fStyle;
192 
193     void create(UTimeUnitFormatStyle style, UErrorCode& status);
194 
195     // it might actually be simpler to make them Decimal Formats later.
196     // initialize all private data members
197     void setup(UErrorCode& status);
198 
199     // initialize data member without fill in data for fTimeUnitToCountToPattern
200     void initDataMembers(UErrorCode& status);
201 
202     // initialize fTimeUnitToCountToPatterns from current locale's resource.
203     void readFromCurrentLocale(UTimeUnitFormatStyle style, const char* key, const UVector& pluralCounts,
204                                UErrorCode& status);
205 
206     // check completeness of fTimeUnitToCountToPatterns against all time units,
207     // and all plural rules, fill in fallback as necessary.
208     void checkConsistency(UTimeUnitFormatStyle style, const char* key, UErrorCode& status);
209 
210     // fill in fTimeUnitToCountToPatterns from locale fall-back chain
211     void searchInLocaleChain(UTimeUnitFormatStyle style, const char* key, const char* localeName,
212                              TimeUnit::UTimeUnitFields field, const UnicodeString&,
213                              const char*, Hashtable*, UErrorCode&);
214 
215     // initialize hash table
216     Hashtable* initHash(UErrorCode& status);
217 
218     // delete hash table
219     void deleteHash(Hashtable* htable);
220 
221     // copy hash table
222     void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
223     // get time unit name, such as "year", from time unit field enum, such as
224     // UTIMEUNIT_YEAR.
225     static const char* getTimeUnitName(TimeUnit::UTimeUnitFields field, UErrorCode& status);
226 
227     friend struct TimeUnitFormatReadSink;
228 };
229 
230 U_NAMESPACE_END
231 
232 #endif /* U_HIDE_DEPRECATED_API */
233 #endif /* #if !UCONFIG_NO_FORMATTING */
234 
235 #endif /* U_SHOW_CPLUSPLUS_API */
236 
237 #endif // __TMUTFMT_H__
238 //eof
239