147 lines
4.0 KiB
C++
147 lines
4.0 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (c) 2004-2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Author: Alan Liu
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* Created: April 26, 2004
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* Since: ICU 3.0
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**********************************************************************
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*/
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#ifndef __CURRENCYUNIT_H__
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#define __CURRENCYUNIT_H__
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#include "unicode/utypes.h"
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#if U_SHOW_CPLUSPLUS_API
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/measunit.h"
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/**
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* \file
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* \brief C++ API: Currency Unit Information.
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*/
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U_NAMESPACE_BEGIN
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/**
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* A unit of currency, such as USD (U.S. dollars) or JPY (Japanese
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* yen). This class is a thin wrapper over a char16_t string that
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* subclasses MeasureUnit, for use with Measure and MeasureFormat.
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*
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* @author Alan Liu
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* @stable ICU 3.0
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*/
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class U_I18N_API CurrencyUnit: public MeasureUnit {
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public:
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/**
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* Default constructor. Initializes currency code to "XXX" (no currency).
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* @stable ICU 60
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*/
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CurrencyUnit();
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/**
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* Construct an object with the given ISO currency code.
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*
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* @param isoCode the 3-letter ISO 4217 currency code; must have
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* length 3 and need not be NUL-terminated. If NULL, the currency
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* is initialized to the unknown currency XXX.
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* @param ec input-output error code. If the isoCode is invalid,
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* then this will be set to a failing value.
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* @stable ICU 3.0
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*/
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CurrencyUnit(ConstChar16Ptr isoCode, UErrorCode &ec);
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/**
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* Construct an object with the given ISO currency code.
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*
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* @param isoCode the 3-letter ISO 4217 currency code; must have
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* length 3. If invalid, the currency is initialized to XXX.
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* @param ec input-output error code. If the isoCode is invalid,
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* then this will be set to a failing value.
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* @stable ICU 64
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*/
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CurrencyUnit(StringPiece isoCode, UErrorCode &ec);
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/**
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* Copy constructor
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* @stable ICU 3.0
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*/
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CurrencyUnit(const CurrencyUnit& other);
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/**
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* Copy constructor from MeasureUnit. This constructor allows you to
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* restore a CurrencyUnit that was sliced to MeasureUnit.
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*
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* @param measureUnit The MeasureUnit to copy from.
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* @param ec Set to a failing value if the MeasureUnit is not a currency.
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* @stable ICU 60
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*/
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CurrencyUnit(const MeasureUnit& measureUnit, UErrorCode &ec);
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/**
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* Assignment operator
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* @stable ICU 3.0
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*/
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CurrencyUnit& operator=(const CurrencyUnit& other);
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/**
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* Return a polymorphic clone of this object. The result will
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* have the same class as returned by getDynamicClassID().
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* @stable ICU 3.0
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*/
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virtual CurrencyUnit* clone() const override;
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/**
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* Destructor
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* @stable ICU 3.0
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*/
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virtual ~CurrencyUnit();
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/**
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* Returns a unique class ID for this object POLYMORPHICALLY.
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* This method implements a simple form of RTTI used by ICU.
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* @return The class ID for this object. All objects of a given
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* class have the same class ID. Objects of other classes have
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* different class IDs.
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* @stable ICU 3.0
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*/
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virtual UClassID getDynamicClassID() const override;
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/**
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* Returns the class ID for this class. This is used to compare to
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* the return value of getDynamicClassID().
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* @return The class ID for all objects of this class.
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* @stable ICU 3.0
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*/
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static UClassID U_EXPORT2 getStaticClassID();
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/**
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* Return the ISO currency code of this object.
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* @stable ICU 3.0
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*/
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inline const char16_t* getISOCurrency() const;
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private:
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/**
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* The ISO 4217 code of this object.
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*/
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char16_t isoCode[4];
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};
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inline const char16_t* CurrencyUnit::getISOCurrency() const {
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return isoCode;
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}
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U_NAMESPACE_END
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#endif // !UCONFIG_NO_FORMATTING
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#endif /* U_SHOW_CPLUSPLUS_API */
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#endif // __CURRENCYUNIT_H__
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