ICU 54.1  54.1
dcfmtsym.h
Go to the documentation of this file.
1 /*
2 ********************************************************************************
3 * Copyright (C) 1997-2014, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 ********************************************************************************
6 *
7 * File DCFMTSYM.H
8 *
9 * Modification History:
10 *
11 * Date Name Description
12 * 02/19/97 aliu Converted from java.
13 * 03/18/97 clhuang Updated per C++ implementation.
14 * 03/27/97 helena Updated to pass the simple test after code review.
15 * 08/26/97 aliu Added currency/intl currency symbol support.
16 * 07/22/98 stephen Changed to match C++ style
17 * currencySymbol -> fCurrencySymbol
18 * Constants changed from CAPS to kCaps
19 * 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes
20 * 09/22/00 grhoten Marked deprecation tags with a pointer to replacement
21 * functions.
22 ********************************************************************************
23 */
24 
25 #ifndef DCFMTSYM_H
26 #define DCFMTSYM_H
27 
28 #include "unicode/utypes.h"
29 #include "unicode/uchar.h"
30 
31 #if !UCONFIG_NO_FORMATTING
32 
33 #include "unicode/uobject.h"
34 #include "unicode/locid.h"
35 #include "unicode/unum.h"
36 
44 
85 public:
171  kFormatSymbolCount
172  };
173 
182  DecimalFormatSymbols(const Locale& locale, UErrorCode& status);
183 
195 
211  static DecimalFormatSymbols* createWithLastResortData(UErrorCode& status);
212 
218 
223  DecimalFormatSymbols& operator=(const DecimalFormatSymbols&);
224 
229  virtual ~DecimalFormatSymbols();
230 
238  UBool operator==(const DecimalFormatSymbols& other) const;
239 
247  UBool operator!=(const DecimalFormatSymbols& other) const { return !operator==(other); }
248 
258  inline UnicodeString getSymbol(ENumberFormatSymbol symbol) const;
259 
272  void setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits);
273 
278  inline Locale getLocale() const;
279 
285  Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const;
286 
303  const UnicodeString& getPatternForCurrencySpacing(UCurrencySpacing type,
304  UBool beforeCurrency,
305  UErrorCode& status) const;
316  void setPatternForCurrencySpacing(UCurrencySpacing type,
317  UBool beforeCurrency,
318  const UnicodeString& pattern);
319 
325  virtual UClassID getDynamicClassID() const;
326 
332  static UClassID U_EXPORT2 getStaticClassID();
333 
334 private:
336 
347  void initialize(const Locale& locale, UErrorCode& success, UBool useLastResortData = FALSE);
348 
352  void initialize();
353 
354  void setCurrencyForSymbols();
355 
356 public:
369  inline const UnicodeString &getConstSymbol(ENumberFormatSymbol symbol) const;
370 
371 #ifndef U_HIDE_INTERNAL_API
372 
376  inline const UChar* getCurrencyPattern(void) const;
377 #endif /* U_HIDE_INTERNAL_API */
378 
379 private:
395  UnicodeString fSymbols[kFormatSymbolCount];
396 
401  UnicodeString fNoSymbol;
402 
403  Locale locale;
404 
405  char actualLocale[ULOC_FULLNAME_CAPACITY];
406  char validLocale[ULOC_FULLNAME_CAPACITY];
407  const UChar* currPattern;
408 
409  UnicodeString currencySpcBeforeSym[UNUM_CURRENCY_SPACING_COUNT];
410  UnicodeString currencySpcAfterSym[UNUM_CURRENCY_SPACING_COUNT];
411 };
412 
413 // -------------------------------------
414 
415 inline UnicodeString
416 DecimalFormatSymbols::getSymbol(ENumberFormatSymbol symbol) const {
417  const UnicodeString *strPtr;
418  if(symbol < kFormatSymbolCount) {
419  strPtr = &fSymbols[symbol];
420  } else {
421  strPtr = &fNoSymbol;
422  }
423  return *strPtr;
424 }
425 
426 //#ifndef U_HIDE_INTERNAL_API
427 // See comments above for this function. Not hidden.
428 inline const UnicodeString &
429 DecimalFormatSymbols::getConstSymbol(ENumberFormatSymbol symbol) const {
430  const UnicodeString *strPtr;
431  if(symbol < kFormatSymbolCount) {
432  strPtr = &fSymbols[symbol];
433  } else {
434  strPtr = &fNoSymbol;
435  }
436  return *strPtr;
437 }
438 
439 //#endif /* U_HIDE_INTERNAL_API */
440 
441 
442 // -------------------------------------
443 
444 inline void
445 DecimalFormatSymbols::setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits = TRUE) {
446  if(symbol<kFormatSymbolCount) {
447  fSymbols[symbol]=value;
448  }
449 
450  // If the zero digit is being set to a known zero digit according to Unicode,
451  // then we automatically set the corresponding 1-9 digits
452  if ( propogateDigits && symbol == kZeroDigitSymbol && value.countChar32() == 1 ) {
453  UChar32 sym = value.char32At(0);
454  if ( u_charDigitValue(sym) == 0 ) {
455  for ( int8_t i = 1 ; i<= 9 ; i++ ) {
456  sym++;
457  fSymbols[(int)kOneDigitSymbol+i-1] = UnicodeString(sym);
458  }
459  }
460  }
461 }
462 
463 // -------------------------------------
464 
465 inline Locale
466 DecimalFormatSymbols::getLocale() const {
467  return locale;
468 }
469 
470 #ifndef U_HIDE_INTERNAL_API
471 inline const UChar*
472 DecimalFormatSymbols::getCurrencyPattern() const {
473  return currPattern;
474 }
475 #endif /* U_HIDE_INTERNAL_API */
476 
478 
479 #endif /* #if !UCONFIG_NO_FORMATTING */
480 
481 #endif // _DCFMTSYM
482 //eof
This class represents the set of symbols needed by DecimalFormat to format numbers.
Definition: dcfmtsym.h:84
Escape padding character.
Definition: dcfmtsym.h:118
virtual UClassID getDynamicClassID() const
ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
The international currency symbol.
Definition: dcfmtsym.h:110
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
UCurrencySpacing
Constants for specifying currency spacing.
Definition: unum.h:293
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition: uobject.h:91
int32_t u_charDigitValue(UChar32 c)
Returns the decimal digit value of a decimal digit character.
#define ULOC_FULLNAME_CAPACITY
Useful constant for the maximum size of the whole locale ID (including the terminating NULL and all k...
Definition: uloc.h:262
ENumberFormatSymbol
Constants for specifying a number format symbol.
Definition: dcfmtsym.h:90
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:358
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:129
UBool operator!=(const DecimalFormatSymbols &other) const
Return true if another object is semantically unequal to this one.
Definition: dcfmtsym.h:247
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:332
#define TRUE
The TRUE value of a UBool.
Definition: umachine.h:238
C API: Unicode Properties.
C++ API: Common ICU base class UObject.
uint16_t UChar
Define UChar to be UCHAR_TYPE, if that is #defined (for example, to char16_t), or wchar_t if that is ...
Definition: umachine.h:312
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:130
UChar32 char32At(int32_t offset) const
Return the code point that contains the code unit at offset offset.
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:476
ULocDataLocaleType
Constants for *_getLocale() Allow user to select whether she wants information on requested...
Definition: uloc.h:336
C++ API: Locale ID object.
Basic definitions for ICU, for both C and C++ APIs.
Character representing a digit in the pattern.
Definition: dcfmtsym.h:102
#define FALSE
The FALSE value of a UBool.
Definition: umachine.h:242
int32_t countChar32(int32_t start=0, int32_t length=INT32_MAX) const
Count Unicode code points in the length UChar code units of the string.
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:245
Per mill symbol - replaces kPermillSymbol.
Definition: dcfmtsym.h:116
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:221
int8_t UBool
The ICU boolean type.
Definition: umachine.h:234
C API: NumberFormat.
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:185