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choicfmt.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) 1997-2013, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 ********************************************************************************
8 *
9 * File CHOICFMT.H
10 *
11 * Modification History:
12 *
13 * Date Name Description
14 * 02/19/97 aliu Converted from java.
15 * 03/20/97 helena Finished first cut of implementation and got rid
16 * of nextDouble/previousDouble and replaced with
17 * boolean array.
18 * 4/10/97 aliu Clean up. Modified to work on AIX.
19 * 8/6/97 nos Removed overloaded constructor, member var 'buffer'.
20 * 07/22/98 stephen Removed operator!= (implemented in Format)
21 ********************************************************************************
22 */
23
24 #ifndef CHOICFMT_H
25 #define CHOICFMT_H
26
27 #include "unicode/utypes.h"
28
34 #if !UCONFIG_NO_FORMATTING
35 #ifndef U_HIDE_DEPRECATED_API
36
37 #include "unicode/fieldpos.h"
38 #include "unicode/format.h"
39 #include "unicode/messagepattern.h"
40 #include "unicode/numfmt.h"
41 #include "unicode/unistr.h"
42
43 U_NAMESPACE_BEGIN
44
45 class MessageFormat;
46
173 class U_I18N_API ChoiceFormat: public NumberFormat {
174 public:
183 ChoiceFormat(const UnicodeString& pattern,
184 UErrorCode& status);
185
186
199 ChoiceFormat(const double* limits,
200 const UnicodeString* formats,
201 int32_t count );
202
217 ChoiceFormat(const double* limits,
218 const UBool* closures,
219 const UnicodeString* formats,
220 int32_t count);
221
228 ChoiceFormat(const ChoiceFormat& that);
229
236 const ChoiceFormat& operator=(const ChoiceFormat& that);
237
242 virtual ~ChoiceFormat();
243
251 virtual Format* clone(void) const;
252
261 virtual UBool operator==(const Format& other) const;
262
271 virtual void applyPattern(const UnicodeString& pattern,
272 UErrorCode& status);
273
284 virtual void applyPattern(const UnicodeString& pattern,
285 UParseError& parseError,
286 UErrorCode& status);
295 virtual UnicodeString& toPattern(UnicodeString &pattern) const;
296
310 virtual void setChoices(const double* limitsToCopy,
311 const UnicodeString* formatsToCopy,
312 int32_t count );
313
324 virtual void setChoices(const double* limits,
325 const UBool* closures,
326 const UnicodeString* formats,
327 int32_t count);
328
337 virtual const double* getLimits(int32_t& count) const;
338
347 virtual const UBool* getClosures(int32_t& count) const;
348
357 virtual const UnicodeString* getFormats(int32_t& count) const;
358
359
360 using NumberFormat::format;
361
373 virtual UnicodeString& format(double number,
374 UnicodeString& appendTo,
375 FieldPosition& pos) const;
387 virtual UnicodeString& format(int32_t number,
388 UnicodeString& appendTo,
389 FieldPosition& pos) const;
390
402 virtual UnicodeString& format(int64_t number,
403 UnicodeString& appendTo,
404 FieldPosition& pos) const;
405
420 virtual UnicodeString& format(const Formattable* objs,
421 int32_t cnt,
422 UnicodeString& appendTo,
423 FieldPosition& pos,
424 UErrorCode& success) const;
425
426 using NumberFormat::parse;
427
442 virtual void parse(const UnicodeString& text,
443 Formattable& result,
444 ParsePosition& parsePosition) const;
445
454 virtual UClassID getDynamicClassID(void) const;
455
467 static UClassID U_EXPORT2 getStaticClassID(void);
468
469 private:
476 static UnicodeString& dtos(double value, UnicodeString& string);
477
478 ChoiceFormat(); // default constructor not implemented
479
490 ChoiceFormat(const UnicodeString& newPattern,
491 UParseError& parseError,
492 UErrorCode& status);
493
494 friend class MessageFormat;
495
496 virtual void setChoices(const double* limits,
497 const UBool* closures,
498 const UnicodeString* formats,
499 int32_t count,
500 UErrorCode &errorCode);
501
509 static int32_t findSubMessage(const MessagePattern &pattern, int32_t partIndex, double number);
510
511 static double parseArgument(
512 const MessagePattern &pattern, int32_t partIndex,
513 const UnicodeString &source, ParsePosition &pos);
514
523 static int32_t matchStringUntilLimitPart(
524 const MessagePattern &pattern, int32_t partIndex, int32_t limitPartIndex,
525 const UnicodeString &source, int32_t sourceOffset);
526
533 UErrorCode constructorErrorCode;
534
542 MessagePattern msgPattern;
543
583 // double* fChoiceLimits;
584 // UBool* fClosures;
585 // UnicodeString* fChoiceFormats;
586 // int32_t fCount;
587 };
588
589
590 U_NAMESPACE_END
591
592 #endif // U_HIDE_DEPRECATED_API
593 #endif /* #if !UCONFIG_NO_FORMATTING */
594
595 #endif // CHOICFMT_H
596 //eof
icu::Format
Base class for all formats.
Definition: format.h:96
icu::NumberFormat::getDynamicClassID
virtual UClassID getDynamicClassID(void) const =0
Returns a unique class ID POLYMORPHICALLY.
icu::NumberFormat
Abstract base class for all number formats.
Definition: numfmt.h:174
icu::NumberFormat::parse
virtual void parse(const UnicodeString &text, Formattable &result, ParsePosition &parsePosition) const =0
Return a long if possible (e.g.
unistr.h
C++ API: Unicode String.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler&#39;s RTTI.
Definition: uobject.h:93
icu::Format::clone
virtual Format * clone() const =0
Clone this object polymorphically.
format.h
C++ API: Base class for all formats.
icu::MessagePattern
Parses and represents ICU MessageFormat patterns.
Definition: messagepattern.h:360
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:360
fieldpos.h
C++ API: FieldPosition identifies the fields in a formatted output.
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:131
icu::NumberFormat::operator==
virtual UBool operator==(const Format &other) const
Return true if the given Format objects are semantically equal.
icu::MessageFormat
Definition: msgfmt.h:325
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:132
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:396
icu::NumberFormat::getStaticClassID
static UClassID getStaticClassID(void)
Return the class ID for this class.
icu::FieldPosition
FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted out...
Definition: fieldpos.h:108
icu::ParsePosition
ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...
Definition: parsepos.h:49
icu::ChoiceFormat
ChoiceFormat converts between ranges of numeric values and strings for those ranges.
Definition: choicfmt.h:173
UParseError
A UParseError struct is used to returned detailed information about parsing errors.
Definition: parseerr.h:58
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:286
icu::Formattable
Formattable objects can be passed to the Format class or its subclasses for formatting.
Definition: fmtable.h:68
icu::NumberFormat::format
virtual UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const
Format an object to produce a string.
messagepattern.h
C++ API: MessagePattern class: Parses and represents ICU MessageFormat patterns.
numfmt.h
C++ API: Abstract base class for all number formats.
icu::NumberFormat::operator=
NumberFormat & operator=(const NumberFormat &)
Assignment operator.
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:236