1 /* 2 ******************************************************************************** 3 * Copyright (C) 2005-2013, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ******************************************************************************** 6 * 7 * File WINNMFMT.H 8 * 9 ******************************************************************************** 10 */ 11 12 #ifndef __WINNMFMT 13 #define __WINNMFMT 14 15 #include "unicode/utypes.h" 16 17 #if U_PLATFORM_USES_ONLY_WIN32_API 18 19 #include "unicode/format.h" 20 #include "unicode/datefmt.h" 21 #include "unicode/calendar.h" 22 #include "unicode/ustring.h" 23 #include "unicode/locid.h" 24 25 #if !UCONFIG_NO_FORMATTING 26 27 /** 28 * \file 29 * \brief C++ API: Format numbers using Windows API. 30 */ 31 32 U_NAMESPACE_BEGIN 33 34 union FormatInfo; 35 36 class Win32NumberFormat : public NumberFormat 37 { 38 public: 39 Win32NumberFormat(const Locale &locale, UBool currency, UErrorCode &status); 40 41 Win32NumberFormat(const Win32NumberFormat &other); 42 43 virtual ~Win32NumberFormat(); 44 45 virtual Format *clone(void) const; 46 47 Win32NumberFormat &operator=(const Win32NumberFormat &other); 48 49 /** 50 * Format a double number. Concrete subclasses must implement 51 * these pure virtual methods. 52 * 53 * @param number The value to be formatted. 54 * @param appendTo Output parameter to receive result. 55 * Result is appended to existing contents. 56 * @param pos On input: an alignment field, if desired. 57 * On output: the offsets of the alignment field. 58 * @return Reference to 'appendTo' parameter. 59 */ 60 virtual UnicodeString& format(double number, 61 UnicodeString& appendTo, 62 FieldPosition& pos) const; 63 /** 64 * Format a long number. Concrete subclasses must implement 65 * these pure virtual methods. 66 * 67 * @param number The value to be formatted. 68 * @param appendTo Output parameter to receive result. 69 * Result is appended to existing contents. 70 * @param pos On input: an alignment field, if desired. 71 * On output: the offsets of the alignment field. 72 * @return Reference to 'appendTo' parameter. 73 */ 74 virtual UnicodeString& format(int32_t number, 75 UnicodeString& appendTo, 76 FieldPosition& pos) const; 77 78 /** 79 * Format an int64 number. 80 * 81 * @param number The value to be formatted. 82 * @param appendTo Output parameter to receive result. 83 * Result is appended to existing contents. 84 * @param pos On input: an alignment field, if desired. 85 * On output: the offsets of the alignment field. 86 * @return Reference to 'appendTo' parameter. 87 */ 88 virtual UnicodeString& format(int64_t number, 89 UnicodeString& appendTo, 90 FieldPosition& pos) const; 91 92 // Use the default behavior for the following. 93 // virtual UnicodeString &format(double number, UnicodeString &appendTo) const; 94 // virtual UnicodeString &format(int32_t number, UnicodeString &appendTo) const; 95 // virtual UnicodeString &format(int64_t number, UnicodeString &appendTo) const; 96 97 virtual void parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const; 98 99 /** 100 * Sets the maximum number of digits allowed in the fraction portion of a 101 * number. maximumFractionDigits must be >= minimumFractionDigits. If the 102 * new value for maximumFractionDigits is less than the current value 103 * of minimumFractionDigits, then minimumFractionDigits will also be set to 104 * the new value. 105 * @param newValue the new value to be set. 106 * @see getMaximumFractionDigits 107 */ 108 virtual void setMaximumFractionDigits(int32_t newValue); 109 110 /** 111 * Sets the minimum number of digits allowed in the fraction portion of a 112 * number. minimumFractionDigits must be <= maximumFractionDigits. If the 113 * new value for minimumFractionDigits exceeds the current value 114 * of maximumFractionDigits, then maximumIntegerDigits will also be set to 115 * the new value 116 * @param newValue the new value to be set. 117 * @see getMinimumFractionDigits 118 */ 119 virtual void setMinimumFractionDigits(int32_t newValue); 120 121 /** 122 * Return the class ID for this class. This is useful only for comparing to 123 * a return value from getDynamicClassID(). For example: 124 * <pre> 125 * . Base* polymorphic_pointer = createPolymorphicObject(); 126 * . if (polymorphic_pointer->getDynamicClassID() == 127 * . erived::getStaticClassID()) ... 128 * </pre> 129 * @return The class ID for all objects of this class. 130 */ 131 U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void); 132 133 /** 134 * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This 135 * method is to implement a simple version of RTTI, since not all C++ 136 * compilers support genuine RTTI. Polymorphic operator==() and clone() 137 * methods call this method. 138 * 139 * @return The class ID for this object. All objects of a 140 * given class have the same class ID. Objects of 141 * other classes have different class IDs. 142 */ 143 virtual UClassID getDynamicClassID(void) const; 144 145 private: 146 UnicodeString &format(int32_t numDigits, UnicodeString &appendTo, wchar_t *format, ...) const; 147 148 UBool fCurrency; 149 Locale fLocale; 150 int32_t fLCID; 151 FormatInfo *fFormatInfo; 152 UBool fFractionDigitsSet; 153 154 }; 155 156 U_NAMESPACE_END 157 158 #endif /* #if !UCONFIG_NO_FORMATTING */ 159 160 #endif // U_PLATFORM_USES_ONLY_WIN32_API 161 162 #endif // __WINNMFMT 163
