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comparison: intl/icu/source/i18n/winnmfmt.h
intl/icu/source/i18n/winnmfmt.h
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| 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 |
