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