544 lines
15 KiB
C++
544 lines
15 KiB
C++
/*
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********************************************************************************
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* *
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* COPYRIGHT: *
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* (C) Copyright Taligent, Inc., 1997 *
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* (C) Copyright International Business Machines Corporation, 1997-1999 *
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* Licensed Material - Program-Property of IBM - All Rights Reserved. *
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* US Government Users Restricted Rights - Use, duplication, or disclosure *
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* restricted by GSA ADP Schedule Contract with IBM Corp. *
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* *
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********************************************************************************
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*
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* File DCFMTSYM.H
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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 Updated per C++ implementation.
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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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* 07/22/98 stephen Changed to match C++ style
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* currencySymbol -> fCurrencySymbol
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* Constants changed from CAPS to kCaps
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* 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes
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********************************************************************************
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*/
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#ifndef DCFMTSYM_H
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#define DCFMTSYM_H
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#include "utypes.h"
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#include "locid.h"
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/**
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* This class represents the set of symbols needed by DecimalFormat
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* to format numbers. DecimalFormat creates for itself an instance of
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* DecimalFormatSymbols from its locale data. If you need to change any
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* of these symbols, you can get the DecimalFormatSymbols object from
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* your DecimalFormat and modify it.
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* <P>
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* Here are the special characters used in the parts of the
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* subpattern, with notes on their usage.
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* <pre>
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* . Symbol Meaning
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* . 0 a digit
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* . # a digit, zero shows as absent
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* . . placeholder for decimal separator
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* . , placeholder for grouping separator.
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* . ; separates formats.
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* . - default negative prefix.
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* . % divide by 100 and show as percentage
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* . X any other characters can be used in the prefix or suffix
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* . ' used to quote special characters in a prefix or suffix.
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* </pre>
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* [Notes]
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* <P>
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* If there is no explicit negative subpattern, - is prefixed to the
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* positive form. That is, "0.00" alone is equivalent to "0.00;-0.00".
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* <P>
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* The grouping separator is commonly used for thousands, but in some
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* countries for ten-thousands. The interval is a constant number of
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* digits between the grouping characters, such as 100,000,000 or 1,0000,0000.
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* If you supply a pattern with multiple grouping characters, the interval
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* between the last one and the end of the integer is the one that is
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* used. So "#,##,###,####" == "######,####" == "##,####,####".
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* <P>
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* This class only handles localized digits where the 10 digits are
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* contiguous in Unicode, from 0 to 9. Other digits sets (such as
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* superscripts) would need a different subclass.
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*/
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class U_I18N_API DecimalFormatSymbols {
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public:
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/**
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* Create a DecimalFormatSymbols object for the given locale.
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*
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* @param locale The locale to get symbols for.
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* @param status Input/output parameter, set to success or
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* failure code upon return.
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*/
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DecimalFormatSymbols(const Locale& locale, UErrorCode& status);
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/**
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* Create a DecimalFormatSymbols object for the default locale.
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* This constructor will not fail. If the resource file data is
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* not available, it will use hard-coded last-resort data and
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* set status to U_USING_FALLBACK_ERROR.
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*
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* @param status Input/output parameter, set to success or
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* failure code upon return.
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*/
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DecimalFormatSymbols( UErrorCode& status);
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/**
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* Copy constructor.
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*/
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DecimalFormatSymbols(const DecimalFormatSymbols&);
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/**
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* Assignment operator.
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*/
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DecimalFormatSymbols& operator=(const DecimalFormatSymbols&);
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/**
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* Destructor.
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*/
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~DecimalFormatSymbols();
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/**
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* Return true if another object is semantically equal to this one.
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*/
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bool_t operator==(const DecimalFormatSymbols& other) const;
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/**
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* Return true if another object is semantically unequal to this one.
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*/
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bool_t operator!=(const DecimalFormatSymbols& other) const { return !operator==(other); }
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/**
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* character used for zero. Different for Arabic, etc.
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*/
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UChar getZeroDigit(void) const;
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void setZeroDigit(UChar zeroDigit);
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/**
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* character used for thousands separator. Different for French, etc.
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*/
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UChar getGroupingSeparator(void) const;
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void setGroupingSeparator(UChar groupingSeparator);
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/**
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* character used for decimal sign. Different for French, etc.
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*/
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UChar getDecimalSeparator(void) const;
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void setDecimalSeparator(UChar decimalSeparator);
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/**
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* character used for per mill sign. Different for Arabic, etc.
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*/
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UChar getPerMill(void) const;
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void setPerMill(UChar perMill);
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/**
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* character used for percent sign. Different for Arabic, etc.
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*/
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UChar getPercent(void) const;
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void setPercent(UChar percent);
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/**
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* character used for a digit in a pattern.
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*/
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UChar getDigit(void) const;
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void setDigit(UChar digit);
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/**
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* character used to separate positive and negative subpatterns
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* in a pattern.
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*/
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UChar getPatternSeparator(void) const;
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void setPatternSeparator(UChar patternSeparator);
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/**
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* character used to represent infinity. Almost always left
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* unchanged.
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*/
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UnicodeString& getInfinity(UnicodeString& result) const;
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void setInfinity(const UnicodeString& infinity);
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/**
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* character used to represent NaN. Almost always left
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* unchanged.
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*/
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UnicodeString& getNaN(UnicodeString& result) const;
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void setNaN(const UnicodeString& NaN);
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/**
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* character used to represent plus sign
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*/
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UChar getPlusSign(void) const;
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void setPlusSign(UChar minusSign);
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/**
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* character used to represent minus sign. If no explicit
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* negative format is specified, one is formed by prefixing
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* minusSign to the positive format.
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*/
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UChar getMinusSign(void) const;
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void setMinusSign(UChar minusSign);
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/**
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* character used to represent exponential. Almost always left
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* unchanged.
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*/
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UChar getExponentialSymbol(void) const;
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void setExponentialSymbol(UChar exponential);
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/**
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* Return the string denoting the local currency.
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*/
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UnicodeString& getCurrencySymbol(UnicodeString& result) const;
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void setCurrencySymbol(const UnicodeString& currency);
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/**
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* Return the international string denoting the local currency.
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*/
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UnicodeString& getInternationalCurrencySymbol(UnicodeString& result) const;
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void setInternationalCurrencySymbol(const UnicodeString& currency);
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/**
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* Return the monetary decimal separator.
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*/
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UChar getMonetaryDecimalSeparator(void) const;
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void setMonetaryDecimalSeparator(UChar sep);
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/**
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* Return the character used to pad numbers out to a specified width. This
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* is not the pad character itself; rather, it is the special pattern
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* character <em>preceding</em> the pad character. In the pattern
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* "*_#,##0", '*' is the pad escape, and '_' is the pad character.
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* @return the character
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* @see #setPadEscape
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* @see DecimalFormat#getFormatWidth
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* @see DecimalFormat#getPadPosition
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* @see DecimalFormat#getPadCharacter
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*/
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UChar getPadEscape(void) const;
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/**
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* Set the character used to pad numbers out to a specified width. This is
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* not the pad character itself; rather, it is the special pattern character
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* <em>preceding</em> the pad character. In the pattern "*_#,##0", '*' is
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* the pad escape, and '_' is the pad character.
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* @see #getPadEscape
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* @see DecimalFormat#setFormatWidth
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* @see DecimalFormat#setPadPosition
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* @see DecimalFormat#setPadCharacter
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*/
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void setPadEscape(UChar c);
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private:
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/**
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* Initializes the symbols from the LocaleElements resource bundle.
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* Note: The organization of LocaleElements badly needs to be
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* cleaned up.
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*/
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void initialize(const Locale& locale, UErrorCode& success, bool_t useLastResortData = FALSE);
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/**
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* Initialize the symbols from the given array of UnicodeStrings.
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* The array must be of the correct size.
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*/
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void initialize(const UnicodeString* numberElements, const UnicodeString* currencyElements);
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/**
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* The resource tags we use to retrieve decimal format data from
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* locale resource bundles.
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*/
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static const UnicodeString fgNumberElements;
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static const UnicodeString fgCurrencyElements;
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static const int32_t fgNumberElementsLength;
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static const int32_t fgCurrencyElementsLength;
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static const UnicodeString fgLastResortNumberElements[];
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static const UnicodeString fgLastResortCurrencyElements[];
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static const UChar fgLastResortPerMill[];
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static const UChar fgLastResortInfinity[];
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static const UChar fgLastResortNaN[];
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static const UChar fgLastResortCurrency[];
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static const UChar fgLastResortIntlCurrency[];
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UChar fDecimalSeparator;
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UChar fGroupingSeparator;
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UChar fPatternSeparator;
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UChar fPercent;
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UChar fZeroDigit;
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UChar fDigit;
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UChar fPlusSign;
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UChar fMinusSign;
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UnicodeString fCurrencySymbol;
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UnicodeString fIntlCurrencySymbol;
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UChar fMonetarySeparator;
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UChar fExponential;
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UChar fPadEscape;
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UChar fPerMill;
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UnicodeString fInfinity;
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UnicodeString fNaN;
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};
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getZeroDigit() const
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{
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return fZeroDigit;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setZeroDigit(UChar zeroDigit)
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{
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fZeroDigit = zeroDigit;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getGroupingSeparator() const
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{
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return fGroupingSeparator;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setGroupingSeparator(UChar groupingSeparator)
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{
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fGroupingSeparator = groupingSeparator;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getDecimalSeparator() const
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{
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return fDecimalSeparator;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setDecimalSeparator(UChar decimalSeparator)
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{
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fDecimalSeparator = decimalSeparator;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getPerMill() const
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{
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return fPerMill;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setPerMill(UChar perMill)
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{
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fPerMill = perMill;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getPercent() const
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{
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return fPercent;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setPercent(UChar percent)
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{
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fPercent = percent;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getDigit() const
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{
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return fDigit;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setDigit(UChar digit)
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{
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fDigit = digit;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getPatternSeparator() const
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{
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return fPatternSeparator;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setPatternSeparator(UChar patternSeparator)
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{
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fPatternSeparator = patternSeparator;
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}
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// -------------------------------------
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inline UnicodeString&
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DecimalFormatSymbols::getInfinity(UnicodeString& result) const
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{
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result = fInfinity;
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return result;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setInfinity(const UnicodeString& infinity)
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{
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fInfinity = infinity;
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}
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// -------------------------------------
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inline UnicodeString&
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DecimalFormatSymbols::getNaN(UnicodeString& result) const
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{
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result = fNaN;
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return result;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setNaN(const UnicodeString& NaN)
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{
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fNaN = NaN;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getPlusSign() const
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{
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return fPlusSign;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setPlusSign(UChar plusSign)
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{
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fPlusSign = plusSign;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getMinusSign() const
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{
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return fMinusSign;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setMinusSign(UChar minusSign)
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{
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fMinusSign = minusSign;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getExponentialSymbol(void) const
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{
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return fExponential;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setExponentialSymbol(UChar exponential)
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{
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fExponential = exponential;
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}
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// -------------------------------------
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inline UnicodeString&
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DecimalFormatSymbols::getCurrencySymbol(UnicodeString& result) const
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{
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result = fCurrencySymbol;
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return result;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setCurrencySymbol(const UnicodeString& str)
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{
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fCurrencySymbol = str;
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}
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// -------------------------------------
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inline UnicodeString&
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DecimalFormatSymbols::getInternationalCurrencySymbol(UnicodeString& result) const
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{
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result = fIntlCurrencySymbol;
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return result;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setInternationalCurrencySymbol(const UnicodeString& str)
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{
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fIntlCurrencySymbol = str;
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}
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// -------------------------------------
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inline UChar
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DecimalFormatSymbols::getMonetaryDecimalSeparator(void) const
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{
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return fMonetarySeparator;
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}
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// -------------------------------------
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inline void
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DecimalFormatSymbols::setMonetaryDecimalSeparator(UChar sep)
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{
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fMonetarySeparator = sep;
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}
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inline UChar DecimalFormatSymbols::getPadEscape(void) const {
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return fPadEscape;
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}
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inline void DecimalFormatSymbols::setPadEscape(UChar c) {
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fPadEscape = c;
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}
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#endif // _DCFMTSYM
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//eof
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