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;
130 
131     /**
132      * Assignment operator
133      * @deprecated ICU 53
134      */
135     TimeUnitFormat& operator=(const TimeUnitFormat& other);
136 
137     /**
138      * Return true if the given Format objects are not semantically equal.
139      * Objects of different subclasses are considered unequal.
140      * @param other the object to be compared with.
141      * @return      true if the given Format objects are not semantically equal.
142      * @deprecated ICU 53
143      */
144     UBool operator!=(const Format& other) const;
145 
146     /**
147      * Set the locale used for formatting or parsing.
148      * @param locale  the locale to be set
149      * @param status  output param set to success/failure code on exit
150      * @deprecated ICU 53
151      */
152     void setLocale(const Locale& locale, UErrorCode& status);
153 
154 
155     /**
156      * Set the number format used for formatting or parsing.
157      * @param format  the number formatter to be set
158      * @param status  output param set to success/failure code on exit
159      * @deprecated ICU 53
160      */
161     void setNumberFormat(const NumberFormat& format, UErrorCode& status);
162 
163     /**
164      * Parse a TimeUnitAmount.
165      * @see Format#parseObject(const UnicodeString&, Formattable&, ParsePosition&) const;
166      * @deprecated ICU 53
167      */
168     virtual void parseObject(const UnicodeString& source,
169                              Formattable& result,
170                              ParsePosition& pos) const;
171 
172     /**
173      * Return the class ID for this class. This is useful only for comparing to
174      * a return value from getDynamicClassID(). For example:
175      * <pre>
176      * .   Base* polymorphic_pointer = createPolymorphicObject();
177      * .   if (polymorphic_pointer->getDynamicClassID() ==
178      * .       erived::getStaticClassID()) ...
179      * </pre>
180      * @return          The class ID for all objects of this class.
181      * @deprecated ICU 53
182      */
183     static UClassID U_EXPORT2 getStaticClassID(void);
184 
185     /**
186      * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
187      * method is to implement a simple version of RTTI, since not all C++
188      * compilers support genuine RTTI. Polymorphic operator==() and clone()
189      * methods call this method.
190      *
191      * @return          The class ID for this object. All objects of a
192      *                  given class have the same class ID.  Objects of
193      *                  other classes have different class IDs.
194      * @deprecated ICU 53
195      */
196     virtual UClassID getDynamicClassID(void) const;
197 
198 private:
199     Hashtable*    fTimeUnitToCountToPatterns[TimeUnit::UTIMEUNIT_FIELD_COUNT];
200     UTimeUnitFormatStyle fStyle;
201 
202     void create(UTimeUnitFormatStyle style, UErrorCode& status);
203 
204     // it might actually be simpler to make them Decimal Formats later.
205     // initialize all private data members
206     void setup(UErrorCode& status);
207 
208     // initialize data member without fill in data for fTimeUnitToCountToPattern
209     void initDataMembers(UErrorCode& status);
210 
211     // initialize fTimeUnitToCountToPatterns from current locale's resource.
212     void readFromCurrentLocale(UTimeUnitFormatStyle style, const char* key, const UVector& pluralCounts,
213                                UErrorCode& status);
214 
215     // check completeness of fTimeUnitToCountToPatterns against all time units,
216     // and all plural rules, fill in fallback as necessary.
217     void checkConsistency(UTimeUnitFormatStyle style, const char* key, UErrorCode& status);
218 
219     // fill in fTimeUnitToCountToPatterns from locale fall-back chain
220     void searchInLocaleChain(UTimeUnitFormatStyle style, const char* key, const char* localeName,
221                              TimeUnit::UTimeUnitFields field, const UnicodeString&,
222                              const char*, Hashtable*, UErrorCode&);
223 
224     // initialize hash table
225     Hashtable* initHash(UErrorCode& status);
226 
227     // delete hash table
228     void deleteHash(Hashtable* htable);
229 
230     // copy hash table
231     void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
232     // get time unit name, such as "year", from time unit field enum, such as
233     // UTIMEUNIT_YEAR.
234     static const char* getTimeUnitName(TimeUnit::UTimeUnitFields field, UErrorCode& status);
235 
236     friend struct TimeUnitFormatReadSink;
237 };
238 
239 inline UBool
240 TimeUnitFormat::operator!=(const Format& other) const  {
241     return !operator==(other);
242 }
243 
244 U_NAMESPACE_END
245 
246 #endif /* U_HIDE_DEPRECATED_API */
247 #endif /* #if !UCONFIG_NO_FORMATTING */
248 
249 #endif /* U_SHOW_CPLUSPLUS_API */
250 
251 #endif // __TMUTFMT_H__
252 //eof
253