icuSources/i18n/unicode/nounit.h

   1 // © 2017 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4  *******************************************************************************
   5  * Copyright (C) 2009-2017, International Business Machines Corporation,       *
   6  * Google, and others. All Rights Reserved.                                    *
   7  *******************************************************************************
   8  */
   9
  10 #ifndef __NOUNIT_H__
  11 #define __NOUNIT_H__
  12
  13 #include "unicode/utypes.h"
  14
  15 #if U_SHOW_CPLUSPLUS_API
  16
  17 #if !UCONFIG_NO_FORMATTING
  18
  19 #include "unicode/measunit.h"
  20
  21 #ifndef U_HIDE_DRAFT_API
  22
  23 /**
  24  * \file
  25  * \brief C++ API: units for percent and permille
  26  */
  27
  28 U_NAMESPACE_BEGIN
  29
  30 /**
  31  * Dimensionless unit for percent and permille.
  32  * @see NumberFormatter
  33  * @draft ICU 60
  34  */
  35 class U_I18N_API NoUnit: public MeasureUnit {
  36 public:
  37     /**
  38      * Returns an instance for the base unit (dimensionless and no scaling).
  39      *
  40      * @return               a NoUnit instance
  41      * @draft ICU 60
  42      */
  43     static NoUnit U_EXPORT2 base();
  44
  45     /**
  46      * Returns an instance for percent, or 1/100 of a base unit.
  47      *
  48      * @return               a NoUnit instance
  49      * @draft ICU 60
  50      */
  51     static NoUnit U_EXPORT2 percent();
  52
  53     /**
  54      * Returns an instance for permille, or 1/1000 of a base unit.
  55      *
  56      * @return               a NoUnit instance
  57      * @draft ICU 60
  58      */
  59     static NoUnit U_EXPORT2 permille();
  60
  61     /**
  62      * Copy operator.
  63      * @draft ICU 60
  64      */
  65     NoUnit(const NoUnit& other);
  66
  67     /**
  68      * Destructor.
  69      * @draft ICU 60
  70      */
  71     virtual ~NoUnit();
  72
  73     /**
  74      * Return a polymorphic clone of this object.  The result will
  75      * have the same class as returned by getDynamicClassID().
  76      * @draft ICU 60
  77      */
  78     virtual NoUnit* clone() const;
  79
  80     /**
  81      * Returns a unique class ID for this object POLYMORPHICALLY.
  82      * This method implements a simple form of RTTI used by ICU.
  83      * @return The class ID for this object. All objects of a given
  84      * class have the same class ID.  Objects of other classes have
  85      * different class IDs.
  86      * @draft ICU 60
  87      */
  88     virtual UClassID getDynamicClassID() const;
  89
  90     /**
  91      * Returns the class ID for this class. This is used to compare to
  92      * the return value of getDynamicClassID().
  93      * @return The class ID for all objects of this class.
  94      * @draft ICU 60
  95      */
  96     static UClassID U_EXPORT2 getStaticClassID();
  97
  98 private:
  99     /**
 100      * Constructor
 101      * @internal (private)
 102      */
 103     NoUnit(const char* subtype);
 104
 105 };
 106
 107 U_NAMESPACE_END
 108
 109 #endif  /* U_HIDE_DRAFT_API */
 110 #endif /* #if !UCONFIG_NO_FORMATTING */
 111
 112 #endif /* U_SHOW_CPLUSPLUS_API */
 113
 114 #endif // __NOUNIT_H__
 115 //eof
 116 //