ICU 50.1.2  50.1.2
dcfmtsym.h
Go to the documentation of this file.
1 /*
2 ********************************************************************************
3 * Copyright (C) 1997-2012, 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:
167  kFormatSymbolCount
168  };
169 
178  DecimalFormatSymbols(const Locale& locale, UErrorCode& status);
179 
191 
197 
202  DecimalFormatSymbols& operator=(const DecimalFormatSymbols&);
203 
208  virtual ~DecimalFormatSymbols();
209 
217  UBool operator==(const DecimalFormatSymbols& other) const;
218 
226  UBool operator!=(const DecimalFormatSymbols& other) const { return !operator==(other); }
227 
237  inline UnicodeString getSymbol(ENumberFormatSymbol symbol) const;
238 
251  void setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits);
252 
257  inline Locale getLocale() const;
258 
264  Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const;
265 
282  const UnicodeString& getPatternForCurrencySpacing(UCurrencySpacing type,
283  UBool beforeCurrency,
284  UErrorCode& status) const;
295  void setPatternForCurrencySpacing(UCurrencySpacing type,
296  UBool beforeCurrency,
297  const UnicodeString& pattern);
298 
304  virtual UClassID getDynamicClassID() const;
305 
311  static UClassID U_EXPORT2 getStaticClassID();
312 
313 private:
314  DecimalFormatSymbols(); // default constructor not implemented
315 
326  void initialize(const Locale& locale, UErrorCode& success, UBool useLastResortData = FALSE);
327 
331  void initialize();
332 
333  void setCurrencyForSymbols();
334 
335 public:
336 #ifndef U_HIDE_INTERNAL_API
337 
348  inline const UnicodeString &getConstSymbol(ENumberFormatSymbol symbol) const;
349 
354  inline const UChar* getCurrencyPattern(void) const;
355 #endif /* U_HIDE_INTERNAL_API */
356 
357 private:
373  UnicodeString fSymbols[kFormatSymbolCount];
374 
379  UnicodeString fNoSymbol;
380 
381  Locale locale;
382 
383  char actualLocale[ULOC_FULLNAME_CAPACITY];
384  char validLocale[ULOC_FULLNAME_CAPACITY];
385  const UChar* currPattern;
386 
387  UnicodeString currencySpcBeforeSym[UNUM_CURRENCY_SPACING_COUNT];
388  UnicodeString currencySpcAfterSym[UNUM_CURRENCY_SPACING_COUNT];
389 };
390 
391 // -------------------------------------
392 
393 inline UnicodeString
394 DecimalFormatSymbols::getSymbol(ENumberFormatSymbol symbol) const {
395  const UnicodeString *strPtr;
396  if(symbol < kFormatSymbolCount) {
397  strPtr = &fSymbols[symbol];
398  } else {
399  strPtr = &fNoSymbol;
400  }
401  return *strPtr;
402 }
403 
404 #ifndef U_HIDE_INTERNAL_API
405 inline const UnicodeString &
406 DecimalFormatSymbols::getConstSymbol(ENumberFormatSymbol symbol) const {
407  const UnicodeString *strPtr;
408  if(symbol < kFormatSymbolCount) {
409  strPtr = &fSymbols[symbol];
410  } else {
411  strPtr = &fNoSymbol;
412  }
413  return *strPtr;
414 }
415 #endif
416 
417 
418 // -------------------------------------
419 
420 inline void
421 DecimalFormatSymbols::setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits = TRUE) {
422  if(symbol<kFormatSymbolCount) {
423  fSymbols[symbol]=value;
424  }
425 
426  // If the zero digit is being set to a known zero digit according to Unicode,
427  // then we automatically set the corresponding 1-9 digits
428  if ( propogateDigits && symbol == kZeroDigitSymbol && value.countChar32() == 1 ) {
429  UChar32 sym = value.char32At(0);
430  if ( u_charDigitValue(sym) == 0 ) {
431  for ( int8_t i = 1 ; i<= 9 ; i++ ) {
432  sym++;
433  fSymbols[(int)kOneDigitSymbol+i-1] = UnicodeString(sym);
434  }
435  }
436  }
437 }
438 
439 // -------------------------------------
440 
441 inline Locale
442 DecimalFormatSymbols::getLocale() const {
443  return locale;
444 }
445 
446 #ifndef U_HIDE_INTERNAL_API
447 inline const UChar*
448 DecimalFormatSymbols::getCurrencyPattern() const {
449  return currPattern;
450 }
451 #endif
452 
454 
455 #endif /* #if !UCONFIG_NO_FORMATTING */
456 
457 #endif // _DCFMTSYM
458 //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
The international currency symbol.
Definition: dcfmtsym.h:110
virtual UClassID getDynamicClassID() const =0
ICU4C &quot;poor man&#39;s RTTI&quot;, returns a UClassID for the actual ICU class.
U_EXPORT UBool operator==(const StringPiece &x, const StringPiece &y)
Global operator == for StringPiece.
UCurrencySpacing
Constants for specifying currency spacing.
Definition: unum.h:257
void * UClassID
UClassID is used to identify classes without using the compiler&#39;s RTTI.
Definition: uobject.h:96
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:226
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:298
#define TRUE
The TRUE value of a UBool.
Definition: umachine.h:204
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:278
#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:208
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:246
Per mill symbol - replaces kPermillSymbol.
Definition: dcfmtsym.h:116
UObject is the common ICU &quot;boilerplate&quot; class.
Definition: uobject.h:229
int8_t UBool
The ICU boolean type.
Definition: umachine.h:200
C API: NumberFormat.
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:182