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