scuffed-code/icu4c/source/i18n/unicode/tmutamt.h

177 lines
4.9 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2009-2010, Google, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#ifndef __TMUTAMT_H__
#define __TMUTAMT_H__
/**
* \file
* \brief C++ API: time unit amount object.
*/
#include "unicode/utypes.h"
#if U_SHOW_CPLUSPLUS_API
#if !UCONFIG_NO_FORMATTING
#include "unicode/measure.h"
#include "unicode/tmunit.h"
U_NAMESPACE_BEGIN
/**
* Express a duration as a time unit and number. Patterned after Currency.
* @see TimeUnitAmount
* @see TimeUnitFormat
* @stable ICU 4.2
*/
class U_I18N_API TimeUnitAmount: public Measure {
public:
/**
* Construct TimeUnitAmount object with the given number and the
* given time unit.
* @param number a numeric object; number.isNumeric() must be TRUE
* @param timeUnitField the time unit field of a time unit
* @param status the input-output error code.
* If the number is not numeric or the timeUnitField
* is not valid,
* then this will be set to a failing value:
* U_ILLEGAL_ARGUMENT_ERROR.
* @stable ICU 4.2
*/
TimeUnitAmount(const Formattable& number,
TimeUnit::UTimeUnitFields timeUnitField,
UErrorCode& status);
/**
* Construct TimeUnitAmount object with the given numeric amount and the
* given time unit.
* @param amount a numeric amount.
* @param timeUnitField the time unit field on which a time unit amount
* object will be created.
* @param status the input-output error code.
* If the timeUnitField is not valid,
* then this will be set to a failing value:
* U_ILLEGAL_ARGUMENT_ERROR.
* @stable ICU 4.2
*/
TimeUnitAmount(double amount, TimeUnit::UTimeUnitFields timeUnitField,
UErrorCode& status);
/**
* Copy constructor
* @stable ICU 4.2
*/
TimeUnitAmount(const TimeUnitAmount& other);
/**
* Assignment operator
* @stable ICU 4.2
*/
TimeUnitAmount& operator=(const TimeUnitAmount& other);
/**
* Clone.
* @return a polymorphic clone of this object. The result will have the same class as returned by getDynamicClassID().
* @stable ICU 4.2
*/
virtual TimeUnitAmount* clone() const;
/**
* Destructor
* @stable ICU 4.2
*/
virtual ~TimeUnitAmount();
/**
* Equality operator.
* @param other the object to compare to.
* @return true if this object is equal to the given object.
* @stable ICU 4.2
*/
virtual UBool operator==(const UObject& other) const;
/**
* Not-equality operator.
* @param other the object to compare to.
* @return true if this object is not equal to the given object.
* @stable ICU 4.2
*/
UBool operator!=(const UObject& other) const;
/**
* Return the class ID for this class. This is useful only for comparing to
* a return value from getDynamicClassID(). For example:
* <pre>
* . Base* polymorphic_pointer = createPolymorphicObject();
* . if (polymorphic_pointer->getDynamicClassID() ==
* . erived::getStaticClassID()) ...
* </pre>
* @return The class ID for all objects of this class.
* @stable ICU 4.2
*/
static UClassID U_EXPORT2 getStaticClassID(void);
/**
* Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
* method is to implement a simple version of RTTI, since not all C++
* compilers support genuine RTTI. Polymorphic operator==() and clone()
* methods call this method.
*
* @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 4.2
*/
virtual UClassID getDynamicClassID(void) const;
/**
* Get the time unit.
* @return time unit object.
* @stable ICU 4.2
*/
const TimeUnit& getTimeUnit() const;
/**
* Get the time unit field value.
* @return time unit field value.
* @stable ICU 4.2
*/
TimeUnit::UTimeUnitFields getTimeUnitField() const;
};
inline UBool
TimeUnitAmount::operator!=(const UObject& other) const {
return !operator==(other);
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
#endif /* U_SHOW_CPLUSPLUS_API */
#endif // __TMUTAMT_H__
//eof
//