256 lines
9.5 KiB
C++
256 lines
9.5 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1997-2004, International Business Machines Corporation and *
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* others. All Rights Reserved. *
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*******************************************************************************
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*
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* File DCFMTSYM.CPP
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*
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* Modification History:
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*
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* Date Name Description
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* 02/19/97 aliu Converted from java.
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* 03/18/97 clhuang Implemented with C++ APIs.
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* 03/27/97 helena Updated to pass the simple test after code review.
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* 08/26/97 aliu Added currency/intl currency symbol support.
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* 07/20/98 stephen Slightly modified initialization of monetarySeparator
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********************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/dcfmtsym.h"
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#include "unicode/resbund.h"
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#include "unicode/decimfmt.h"
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#include "unicode/ucurr.h"
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#include "unicode/choicfmt.h"
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#include "ucurrimp.h"
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#include "cstring.h"
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#include "locbased.h"
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// *****************************************************************************
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// class DecimalFormatSymbols
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// *****************************************************************************
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U_NAMESPACE_BEGIN
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormatSymbols)
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static const char gNumberElements[] = "NumberElements";
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static const UChar INTL_CURRENCY_SYMBOL_STR[] = {0xa4, 0xa4, 0};
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// -------------------------------------
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// Initializes this with the decimal format symbols in the default locale.
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DecimalFormatSymbols::DecimalFormatSymbols(UErrorCode& status)
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: UObject(),
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locale()
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{
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initialize(locale, status, TRUE);
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}
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// -------------------------------------
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// Initializes this with the decimal format symbols in the desired locale.
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DecimalFormatSymbols::DecimalFormatSymbols(const Locale& loc, UErrorCode& status)
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: UObject(),
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locale(loc)
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{
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initialize(locale, status);
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}
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// -------------------------------------
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DecimalFormatSymbols::~DecimalFormatSymbols()
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{
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}
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// -------------------------------------
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// copy constructor
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DecimalFormatSymbols::DecimalFormatSymbols(const DecimalFormatSymbols &source)
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: UObject(source)
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{
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*this = source;
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}
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// -------------------------------------
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// assignment operator
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DecimalFormatSymbols&
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DecimalFormatSymbols::operator=(const DecimalFormatSymbols& rhs)
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{
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if (this != &rhs) {
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for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
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// fastCopyFrom is safe, see docs on fSymbols
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fSymbols[(ENumberFormatSymbol)i].fastCopyFrom(rhs.fSymbols[(ENumberFormatSymbol)i]);
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}
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locale = rhs.locale;
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uprv_strcpy(validLocale, rhs.validLocale);
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uprv_strcpy(actualLocale, rhs.actualLocale);
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}
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return *this;
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}
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// -------------------------------------
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UBool
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DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
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{
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if (this == &that) {
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return TRUE;
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}
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for(int32_t i = 0; i < (int32_t)kFormatSymbolCount; ++i) {
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if(fSymbols[(ENumberFormatSymbol)i] != that.fSymbols[(ENumberFormatSymbol)i]) {
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return FALSE;
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}
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}
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return locale == that.locale &&
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uprv_strcmp(validLocale, that.validLocale) == 0 &&
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uprv_strcmp(actualLocale, that.actualLocale) == 0;
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}
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// -------------------------------------
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void
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DecimalFormatSymbols::initialize(const Locale& loc, UErrorCode& status,
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UBool useLastResortData)
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{
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*validLocale = *actualLocale = 0;
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if (U_FAILURE(status))
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return;
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const char* locStr = loc.getName();
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UResourceBundle *resource = ures_open((char *)0, locStr, &status);
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UResourceBundle *numberElementsRes = ures_getByKey(resource, gNumberElements, resource, &status);
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if (U_FAILURE(status))
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{
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// Initializes with last resort data if necessary.
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if (useLastResortData)
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{
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status = U_USING_FALLBACK_WARNING;
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initialize();
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}
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}
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else {
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// Gets the number element array.
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int32_t numberElementsLength = ures_getSize(numberElementsRes);
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if (numberElementsLength > (int32_t)kFormatSymbolCount) {
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/* Warning: Invalid format. Array too large. */
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numberElementsLength = (int32_t)kFormatSymbolCount;
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}
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// If the array size is too small, something is wrong with the resource
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// bundle, returns the failure error code.
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if (numberElementsLength != 12 || U_FAILURE(status)) {
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status = U_INVALID_FORMAT_ERROR;
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}
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else {
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UnicodeString numberElements[kFormatSymbolCount];
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int32_t i = 0;
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for(i = 0; i<numberElementsLength; i++) {
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int32_t len = 0;
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const UChar *resUChars = ures_getStringByIndex(numberElementsRes, i, &len, &status);
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numberElements[i].setTo(TRUE, resUChars, len); /* This setTo does aliasing */
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}
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if (U_SUCCESS(status)) {
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initialize(numberElements, numberElementsLength);
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// Obtain currency data from the currency API. This is strictly
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// for backward compatibility; we don't use DecimalFormatSymbols
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// for currency data anymore.
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UErrorCode internalStatus = U_ZERO_ERROR; // don't propagate failures out
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UChar curriso[4];
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ucurr_forLocale(locStr, curriso, 4, &internalStatus);
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// Reuse numberElements[0] as a temporary buffer
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uprv_getStaticCurrencyName(curriso, locStr, numberElements[0], internalStatus);
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if (U_SUCCESS(internalStatus)) {
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fSymbols[kIntlCurrencySymbol] = curriso;
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fSymbols[kCurrencySymbol] = numberElements[0];
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}
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/* else use the default values. */
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}
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U_LOCALE_BASED(locBased, *this);
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locBased.setLocaleIDs(ures_getLocaleByType(numberElementsRes,
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ULOC_VALID_LOCALE, &status),
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ures_getLocaleByType(numberElementsRes,
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ULOC_ACTUAL_LOCALE, &status));
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}
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}
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ures_close(numberElementsRes);
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}
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// Initializes the DecimalFormatSymbol instance with the data obtained
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// from ResourceBundle in the desired locale.
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void
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DecimalFormatSymbols::initialize(const UnicodeString* numberElements, int32_t numberElementsLength)
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{
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fSymbols[kDecimalSeparatorSymbol].fastCopyFrom(numberElements[0]);
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fSymbols[kGroupingSeparatorSymbol].fastCopyFrom(numberElements[1]);
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fSymbols[kPatternSeparatorSymbol].fastCopyFrom(numberElements[2]);
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fSymbols[kPercentSymbol].fastCopyFrom(numberElements[3]);
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fSymbols[kZeroDigitSymbol].fastCopyFrom(numberElements[4]);
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fSymbols[kDigitSymbol].fastCopyFrom(numberElements[5]);
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fSymbols[kMinusSignSymbol].fastCopyFrom(numberElements[6]);
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fSymbols[kExponentialSymbol].fastCopyFrom(numberElements[7]);
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fSymbols[kPerMillSymbol].fastCopyFrom(numberElements[8]);
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fSymbols[kPadEscapeSymbol] = (UChar)0x002a; // TODO: '*' Hard coded for now; get from resource later
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fSymbols[kInfinitySymbol].fastCopyFrom(numberElements[9]);
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fSymbols[kNaNSymbol].fastCopyFrom(numberElements[10]);
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fSymbols[kPlusSignSymbol].fastCopyFrom(numberElements[11]);
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fSymbols[kMonetarySeparatorSymbol].fastCopyFrom(numberElements[0]);
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// Default values until it's set later on.
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fSymbols[kCurrencySymbol] = (UChar)0xa4; // 'OX' currency symbol
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fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
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// TODO: read from locale data, if this makes it into CLDR
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fSymbols[kSignificantDigitSymbol] = (UChar)0x0040; // '@' significant digit
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}
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// initialize with default values
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void
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DecimalFormatSymbols::initialize() {
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/*
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* These strings used to be in static arrays, but the HP/UX aCC compiler
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* cannot initialize a static array with class constructors.
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* markus 2000may25
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*/
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fSymbols[kDecimalSeparatorSymbol] = (UChar)0x2e; // '.' decimal separator
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fSymbols[kGroupingSeparatorSymbol].remove(); // group (thousands) separator
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fSymbols[kPatternSeparatorSymbol] = (UChar)0x3b; // ';' pattern separator
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fSymbols[kPercentSymbol] = (UChar)0x25; // '%' percent sign
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fSymbols[kZeroDigitSymbol] = (UChar)0x30; // '0' native 0 digit
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fSymbols[kDigitSymbol] = (UChar)0x23; // '#' pattern digit
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fSymbols[kPlusSignSymbol] = (UChar)0x002b; // '+' plus sign
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fSymbols[kMinusSignSymbol] = (UChar)0x2d; // '-' minus sign
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fSymbols[kCurrencySymbol] = (UChar)0xa4; // 'OX' currency symbol
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fSymbols[kIntlCurrencySymbol] = INTL_CURRENCY_SYMBOL_STR;
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fSymbols[kMonetarySeparatorSymbol] = (UChar)0x2e; // '.' monetary decimal separator
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fSymbols[kExponentialSymbol] = (UChar)0x45; // 'E' exponential
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fSymbols[kPerMillSymbol] = (UChar)0x2030; // '%o' per mill
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fSymbols[kPadEscapeSymbol] = (UChar)0x2a; // '*' pad escape symbol
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fSymbols[kInfinitySymbol] = (UChar)0x221e; // 'oo' infinite
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fSymbols[kNaNSymbol] = (UChar)0xfffd; // SUB NaN
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fSymbols[kSignificantDigitSymbol] = (UChar)0x0040; // '@' significant digit
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}
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Locale
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DecimalFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
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U_LOCALE_BASED(locBased, *this);
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return locBased.getLocale(type, status);
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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//eof
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