ICU 67.1 67.1

measfmt.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 **********************************************************************
5 * Copyright (c) 2004-2016, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 **********************************************************************
8 * Author: Alan Liu
9 * Created: April 20, 2004
10 * Since: ICU 3.0
11 **********************************************************************
12 */
13 #ifndef MEASUREFORMAT_H
14 #define MEASUREFORMAT_H
15
16 #include "unicode/utypes.h"
17
18 #if U_SHOW_CPLUSPLUS_API
19
20 #if !UCONFIG_NO_FORMATTING
21
22 #include "unicode/format.h"
23 #include "unicode/udat.h"
24
38 enum UMeasureFormatWidth {
39
40 // Wide, short, and narrow must be first and in this order.
45 UMEASFMT_WIDTH_WIDE,
46
51 UMEASFMT_WIDTH_SHORT,
52
57 UMEASFMT_WIDTH_NARROW,
58
64 UMEASFMT_WIDTH_NUMERIC,
65
66 #ifndef U_HIDE_DEPRECATED_API
67
71 UMEASFMT_WIDTH_COUNT = 4
72 #endif // U_HIDE_DEPRECATED_API
73 };
75 typedef enum UMeasureFormatWidth UMeasureFormatWidth;
76
77 U_NAMESPACE_BEGIN
78
79 class Measure;
80 class MeasureUnit;
81 class NumberFormat;
82 class PluralRules;
83 class MeasureFormatCacheData;
84 class SharedNumberFormat;
85 class SharedPluralRules;
86 class QuantityFormatter;
87 class SimpleFormatter;
88 class ListFormatter;
89 class DateFormat;
90
100 class U_I18N_API MeasureFormat : public Format {
101 public:
102 using Format::parseObject;
103 using Format::format;
104
112 MeasureFormat(
113 const Locale &locale, UMeasureFormatWidth width, UErrorCode &status);
114
122 MeasureFormat(
123 const Locale &locale,
124 UMeasureFormatWidth width,
125 NumberFormat *nfToAdopt,
126 UErrorCode &status);
127
132 MeasureFormat(const MeasureFormat &other);
133
138 MeasureFormat &operator=(const MeasureFormat &rhs);
139
144 virtual ~MeasureFormat();
145
150 virtual UBool operator==(const Format &other) const;
151
156 virtual MeasureFormat *clone() const;
157
162 virtual UnicodeString &format(
163 const Formattable &obj,
164 UnicodeString &appendTo,
165 FieldPosition &pos,
166 UErrorCode &status) const;
167
168 #ifndef U_FORCE_HIDE_DRAFT_API
169
175 virtual void parseObject(
176 const UnicodeString &source,
177 Formattable &reslt,
178 ParsePosition &pos) const;
179 #endif // U_FORCE_HIDE_DRAFT_API
180
197 UnicodeString &formatMeasures(
198 const Measure *measures,
199 int32_t measureCount,
200 UnicodeString &appendTo,
201 FieldPosition &pos,
202 UErrorCode &status) const;
203
217 UnicodeString &formatMeasurePerUnit(
218 const Measure &measure,
219 const MeasureUnit &perUnit,
220 UnicodeString &appendTo,
221 FieldPosition &pos,
222 UErrorCode &status) const;
223
235 UnicodeString getUnitDisplayName(const MeasureUnit& unit, UErrorCode &status) const;
236
237
249 static MeasureFormat* U_EXPORT2 createCurrencyFormat(const Locale& locale,
250 UErrorCode& ec);
251
262 static MeasureFormat* U_EXPORT2 createCurrencyFormat(UErrorCode& ec);
263
275 static UClassID U_EXPORT2 getStaticClassID(void);
276
288 virtual UClassID getDynamicClassID(void) const;
289
290 protected:
295 MeasureFormat();
296
297 #ifndef U_HIDE_INTERNAL_API
298
304 void initMeasureFormat(
305 const Locale &locale,
306 UMeasureFormatWidth width,
307 NumberFormat *nfToAdopt,
308 UErrorCode &status);
316 UBool setMeasureFormatLocale(const Locale &locale, UErrorCode &status);
317
323 void adoptNumberFormat(NumberFormat *nfToAdopt, UErrorCode &status);
324
329 const NumberFormat &getNumberFormatInternal() const;
330
336 const NumberFormat& getCurrencyFormatInternal() const;
337
342 const PluralRules &getPluralRules() const;
343
348 Locale getLocale(UErrorCode &status) const;
349
354 const char *getLocaleID(UErrorCode &status) const;
355
356 #endif /* U_HIDE_INTERNAL_API */
357
358 private:
359 const MeasureFormatCacheData *cache;
360 const SharedNumberFormat *numberFormat;
361 const SharedPluralRules *pluralRules;
362 UMeasureFormatWidth fWidth;
363
364 // Declared outside of MeasureFormatSharedData because ListFormatter
365 // objects are relatively cheap to copy; therefore, they don't need to be
366 // shared across instances.
367 ListFormatter *listFormatter;
368
369 UnicodeString &formatMeasure(
370 const Measure &measure,
371 const NumberFormat &nf,
372 UnicodeString &appendTo,
373 FieldPosition &pos,
374 UErrorCode &status) const;
375
376 UnicodeString &formatMeasuresSlowTrack(
377 const Measure *measures,
378 int32_t measureCount,
379 UnicodeString& appendTo,
380 FieldPosition& pos,
381 UErrorCode& status) const;
382
383 UnicodeString &formatNumeric(
384 const Formattable *hms, // always length 3: [0] is hour; [1] is
385 // minute; [2] is second.
386 int32_t bitMap, // 1=hour set, 2=minute set, 4=second set
387 UnicodeString &appendTo,
388 UErrorCode &status) const;
389 };
390
391 U_NAMESPACE_END
392
393 #endif // #if !UCONFIG_NO_FORMATTING
394
395 #endif /* U_SHOW_CPLUSPLUS_API */
396
397 #endif // #ifndef MEASUREFORMAT_H
icu::Format
Base class for all formats.
Definition: format.h:98
icu::Format::getLocaleID
const char * getLocaleID(ULocDataLocaleType type, UErrorCode &status) const
Get the locale for this format object.
UMeasureFormatWidth
UMeasureFormatWidth
Constants for various widths.
Definition: measfmt.h:38
icu::MeasureUnit
A unit such as length, mass, volume, currency, etc.
Definition: measunit.h:237
icu::Format::format
UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, UErrorCode &status) const
Formats an object to produce a string.
UMEASFMT_WIDTH_COUNT
One more than the highest normal UMeasureFormatWidth value.
Definition: measfmt.h:71
icu::Measure
An amount of a specified unit, consisting of a number and a Unit.
Definition: measure.h:45
icu::MeasureFormat
Definition: measfmt.h:100
UMEASFMT_WIDTH_NARROW
Use symbols for measure units when possible.
Definition: measfmt.h:57
icu::NumberFormat
Definition: numfmt.h:175
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler&#39;s RTTI.
Definition: uobject.h:96
icu::Format::clone
virtual Format * clone() const =0
Clone this object polymorphically.
icu::PluralRules
Defines rules for mapping non-negative numeric values onto a small set of keywords.
Definition: plurrule.h:200
format.h
C++ API: Base class for all formats.
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:301
UMEASFMT_WIDTH_WIDE
Spell out measure units.
Definition: measfmt.h:45
UMEASFMT_WIDTH_SHORT
Abbreviate measure units.
Definition: measfmt.h:51
icu::ListFormatter
An immutable class for formatting a list, using data from CLDR (or supplied separately).
Definition: listformatter.h:151
udat.h
C API: DateFormat.
icu::UObject::getDynamicClassID
virtual UClassID getDynamicClassID() const
ICU4C "poor man&#39;s RTTI", returns a UClassID for the actual ICU class.
UMEASFMT_WIDTH_NUMERIC
Completely omit measure units when possible.
Definition: measfmt.h:64
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
icu::FieldPosition
FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted out...
Definition: fieldpos.h:110
icu::ParsePosition
ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...
Definition: parsepos.h:52
icu::Format::operator==
virtual UBool operator==(const Format &other) const =0
Return true if the given Format objects are semantically equal.
icu::Format::parseObject
virtual void parseObject(const UnicodeString &source, Formattable &result, ParsePosition &parse_pos) const =0
Parse a string to produce an object.
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
icu::Format::operator=
Format & operator=(const Format &)
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:294
icu::Formattable
Formattable objects can be passed to the Format class or its subclasses for formatting.
Definition: fmtable.h:64
icu::Format::getLocale
Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const
Get the locale for this format object.
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:261
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:195