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comparison: intl/icu/source/i18n/unicode/measure.h
intl/icu/source/i18n/unicode/measure.h
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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (c) 2004-2006, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Author: Alan Liu | |
| 7 * Created: April 26, 2004 | |
| 8 * Since: ICU 3.0 | |
| 9 ********************************************************************** | |
| 10 */ | |
| 11 #ifndef __MEASURE_H__ | |
| 12 #define __MEASURE_H__ | |
| 13 | |
| 14 #include "unicode/utypes.h" | |
| 15 | |
| 16 /** | |
| 17 * \file | |
| 18 * \brief C++ API: MeasureUnit object. | |
| 19 */ | |
| 20 | |
| 21 #if !UCONFIG_NO_FORMATTING | |
| 22 | |
| 23 #include "unicode/fmtable.h" | |
| 24 | |
| 25 U_NAMESPACE_BEGIN | |
| 26 | |
| 27 class MeasureUnit; | |
| 28 | |
| 29 /** | |
| 30 * An amount of a specified unit, consisting of a number and a Unit. | |
| 31 * For example, a length measure consists of a number and a length | |
| 32 * unit, such as feet or meters. This is an abstract class. | |
| 33 * Subclasses specify a concrete Unit type. | |
| 34 * | |
| 35 * <p>Measure objects are parsed and formatted by subclasses of | |
| 36 * MeasureFormat. | |
| 37 * | |
| 38 * <p>Measure objects are immutable. | |
| 39 * | |
| 40 * <p>This is an abstract class. | |
| 41 * | |
| 42 * @author Alan Liu | |
| 43 * @stable ICU 3.0 | |
| 44 */ | |
| 45 class U_I18N_API Measure: public UObject { | |
| 46 public: | |
| 47 /** | |
| 48 * Construct an object with the given numeric amount and the given | |
| 49 * unit. After this call, the caller must not delete the given | |
| 50 * unit object. | |
| 51 * @param number a numeric object; amount.isNumeric() must be TRUE | |
| 52 * @param adoptedUnit the unit object, which must not be NULL | |
| 53 * @param ec input-output error code. If the amount or the unit | |
| 54 * is invalid, then this will be set to a failing value. | |
| 55 * @stable ICU 3.0 | |
| 56 */ | |
| 57 Measure(const Formattable& number, MeasureUnit* adoptedUnit, | |
| 58 UErrorCode& ec); | |
| 59 | |
| 60 /** | |
| 61 * Copy constructor | |
| 62 * @stable ICU 3.0 | |
| 63 */ | |
| 64 Measure(const Measure& other); | |
| 65 | |
| 66 /** | |
| 67 * Assignment operator | |
| 68 * @stable ICU 3.0 | |
| 69 */ | |
| 70 Measure& operator=(const Measure& other); | |
| 71 | |
| 72 /** | |
| 73 * Return a polymorphic clone of this object. The result will | |
| 74 * have the same class as returned by getDynamicClassID(). | |
| 75 * @stable ICU 3.0 | |
| 76 */ | |
| 77 virtual UObject* clone() const = 0; | |
| 78 | |
| 79 /** | |
| 80 * Destructor | |
| 81 * @stable ICU 3.0 | |
| 82 */ | |
| 83 virtual ~Measure(); | |
| 84 | |
| 85 /** | |
| 86 * Equality operator. Return true if this object is equal | |
| 87 * to the given object. | |
| 88 * @stable ICU 3.0 | |
| 89 */ | |
| 90 UBool operator==(const UObject& other) const; | |
| 91 | |
| 92 /** | |
| 93 * Return a reference to the numeric value of this object. The | |
| 94 * numeric value may be of any numeric type supported by | |
| 95 * Formattable. | |
| 96 * @stable ICU 3.0 | |
| 97 */ | |
| 98 inline const Formattable& getNumber() const; | |
| 99 | |
| 100 /** | |
| 101 * Return a reference to the unit of this object. | |
| 102 * @stable ICU 3.0 | |
| 103 */ | |
| 104 inline const MeasureUnit& getUnit() const; | |
| 105 | |
| 106 protected: | |
| 107 /** | |
| 108 * Default constructor. | |
| 109 * @stable ICU 3.0 | |
| 110 */ | |
| 111 Measure(); | |
| 112 | |
| 113 private: | |
| 114 /** | |
| 115 * The numeric value of this object, e.g. 2.54 or 100. | |
| 116 */ | |
| 117 Formattable number; | |
| 118 | |
| 119 /** | |
| 120 * The unit of this object, e.g., "millimeter" or "JPY". This is | |
| 121 * owned by this object. | |
| 122 */ | |
| 123 MeasureUnit* unit; | |
| 124 }; | |
| 125 | |
| 126 inline const Formattable& Measure::getNumber() const { | |
| 127 return number; | |
| 128 } | |
| 129 | |
| 130 inline const MeasureUnit& Measure::getUnit() const { | |
| 131 return *unit; | |
| 132 } | |
| 133 | |
| 134 U_NAMESPACE_END | |
| 135 | |
| 136 #endif // !UCONFIG_NO_FORMATTING | |
| 137 #endif // __MEASURE_H__ |
