238 lines
8.7 KiB
C++
238 lines
8.7 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1997-1999, 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/dcfmtsym.h"
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#include "unicode/resbund.h"
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#include "unicode/decimfmt.h"
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// *****************************************************************************
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// class DecimalFormatSymbols
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// *****************************************************************************
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const int32_t DecimalFormatSymbols::fgNumberElementsLength = 11;
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const int32_t DecimalFormatSymbols::fgCurrencyElementsLength = 3;
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/**
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* These are the tags we expect to see in normal resource bundle files associated
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* with a locale.
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*/
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const char *DecimalFormatSymbols::fgNumberElements="NumberElements";
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const char *DecimalFormatSymbols::fgCurrencyElements="CurrencyElements";
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// Because the C-compiler doesn't parse \u escape sequences, we encode the
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// \u last resort strings as UChar arrays.
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const UChar DecimalFormatSymbols::fgLastResortPerMill[] = { 0x2030, 0 };
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const UChar DecimalFormatSymbols::fgLastResortInfinity[] = { 0x221E, 0 };
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const UChar DecimalFormatSymbols::fgLastResortNaN[] = { 0xFFFD, 0 };
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const UChar DecimalFormatSymbols::fgLastResortCurrency[] = { 0x00A4, 0 };
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const UChar DecimalFormatSymbols::fgLastResortIntlCurrency[] = { 0x00A4, 0x00A4, 0 };
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const UnicodeString DecimalFormatSymbols::fgLastResortNumberElements[] =
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{
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UNICODE_STRING(".", 1), // decimal separator
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UnicodeString(), // group (thousands) separator
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UNICODE_STRING(";", 1), // pattern separator
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UNICODE_STRING("%", 1), // percent sign
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UNICODE_STRING("0", 1), // native 0 digit
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UNICODE_STRING("#", 1), // pattern digit
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UNICODE_STRING("-", 1), // minus sign
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UNICODE_STRING("E", 1), // exponential
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DecimalFormatSymbols::fgLastResortPerMill, // per mill
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DecimalFormatSymbols::fgLastResortInfinity, // infinite
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DecimalFormatSymbols::fgLastResortNaN // NaN
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};
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const UnicodeString DecimalFormatSymbols::fgLastResortCurrencyElements[] =
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{
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DecimalFormatSymbols::fgLastResortCurrency,
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DecimalFormatSymbols::fgLastResortIntlCurrency,
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UNICODE_STRING(".", 1) // monetary decimal separator
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};
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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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{
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initialize(Locale::getDefault(), 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& locale, UErrorCode& status)
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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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: fZeroDigit(source.fZeroDigit),
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fGroupingSeparator(source.fGroupingSeparator),
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fDecimalSeparator(source.fDecimalSeparator),
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fPercent(source.fPercent),
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fPerMill(source.fPerMill),
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fDigit(source.fDigit),
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fPlusSign(source.fPlusSign),
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fMinusSign(source.fMinusSign),
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fExponential(source.fExponential),
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fPatternSeparator(source.fPatternSeparator),
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fInfinity(source.fInfinity),
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fNaN(source.fNaN),
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fCurrencySymbol(source.fCurrencySymbol),
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fIntlCurrencySymbol(source.fIntlCurrencySymbol),
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fMonetarySeparator(source.fMonetarySeparator),
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fPadEscape(source.fPadEscape)
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{
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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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{
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fZeroDigit = rhs.fZeroDigit;
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fGroupingSeparator = rhs.fGroupingSeparator;
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fDecimalSeparator = rhs.fDecimalSeparator;
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fPercent = rhs.fPercent;
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fPerMill = rhs.fPerMill;
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fDigit = rhs.fDigit;
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fPlusSign = rhs.fPlusSign;
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fMinusSign = rhs.fMinusSign;
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fExponential = rhs.fExponential;
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fPatternSeparator = rhs.fPatternSeparator;
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fInfinity = rhs.fInfinity;
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fNaN = rhs.fNaN;
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fCurrencySymbol = rhs.fCurrencySymbol;
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fIntlCurrencySymbol = rhs.fIntlCurrencySymbol;
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fMonetarySeparator = rhs.fMonetarySeparator;
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fPadEscape = rhs.fPadEscape;
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}
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return *this;
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}
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// -------------------------------------
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bool_t
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DecimalFormatSymbols::operator==(const DecimalFormatSymbols& that) const
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{
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if (this == &that) return TRUE;
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return (fZeroDigit == that.fZeroDigit &&
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fGroupingSeparator == that.fGroupingSeparator &&
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fDecimalSeparator == that.fDecimalSeparator &&
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fPercent == that.fPercent &&
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fPerMill == that.fPerMill &&
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fDigit == that.fDigit &&
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fPlusSign == that.fPlusSign &&
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fMinusSign == that.fMinusSign &&
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fExponential == that.fExponential &&
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fPatternSeparator == that.fPatternSeparator &&
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fInfinity == that.fInfinity &&
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fNaN == that.fNaN &&
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fCurrencySymbol == that.fCurrencySymbol &&
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fIntlCurrencySymbol == that.fIntlCurrencySymbol &&
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fMonetarySeparator == that.fMonetarySeparator &&
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fPadEscape == that.fPadEscape
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);
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}
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// -------------------------------------
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void
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DecimalFormatSymbols::initialize(const Locale& locale, UErrorCode& status,
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bool_t useLastResortData)
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{
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if (U_FAILURE(status)) return;
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ResourceBundle resource(Locale::getDataDirectory(), locale, 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_ERROR;
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initialize(fgLastResortNumberElements, fgLastResortCurrencyElements);
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}
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return;
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}
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int32_t numberElementsLength=0;
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// Gets the number element array.
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const UnicodeString* numberElements = resource.getStringArray(fgNumberElements, numberElementsLength, status);
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int32_t currencyElementsLength=0;
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// Gets the currency element array.
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const UnicodeString* currencyElements = resource.getStringArray(fgCurrencyElements, currencyElementsLength, status);
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if (U_FAILURE(status)) return;
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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 < fgNumberElementsLength ||
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currencyElementsLength < fgCurrencyElementsLength) {
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status = U_INVALID_FORMAT_ERROR;
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return;
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}
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initialize(numberElements, currencyElements);
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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, const UnicodeString* currencyElements)
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{
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fDecimalSeparator = numberElements[0][(UTextOffset)0];
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fGroupingSeparator = numberElements[1][(UTextOffset)0];
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fPatternSeparator = numberElements[2][(UTextOffset)0];
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fPercent = numberElements[3][(UTextOffset)0];
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fZeroDigit = numberElements[4][(UTextOffset)0];
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fDigit = numberElements[5][(UTextOffset)0];
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fPlusSign = 0x002B; // '+' Hard coded for now; get from resource later
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fMinusSign = numberElements[6][(UTextOffset)0];
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fExponential = numberElements[7][(UTextOffset)0];
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fPerMill = numberElements[8][(UTextOffset)0];
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fInfinity = numberElements[9];
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fNaN = numberElements[10];
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fCurrencySymbol = currencyElements[0];
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fIntlCurrencySymbol = currencyElements[1];
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fPadEscape = 0x002A; // '*' Hard coded for now; get from resource later
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// if the resource data specified the empty string as the monetary decimal
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// separator, that means we should just use the regular separator as the
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// monetary separator
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if(currencyElements[2].length() == 0)
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fMonetarySeparator = fDecimalSeparator;
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else
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fMonetarySeparator = currencyElements[2][(UTextOffset)0];
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}
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//eof
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