165 lines
5.7 KiB
C++
165 lines
5.7 KiB
C++
/*
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********************************************************************************
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* Copyright (C) 2005-2015, International Business Machines
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* Corporation and others. All Rights Reserved.
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********************************************************************************
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*
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* File WINNMFMT.H
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*
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********************************************************************************
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*/
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#ifndef __WINNMFMT
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#define __WINNMFMT
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#include "unicode/utypes.h"
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#if U_PLATFORM_USES_ONLY_WIN32_API
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#include "unicode/format.h"
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#include "unicode/datefmt.h"
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#include "unicode/calendar.h"
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#include "unicode/ustring.h"
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#include "unicode/locid.h"
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#if !UCONFIG_NO_FORMATTING
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/**
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* \file
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* \brief C++ API: Format numbers using Windows API.
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*/
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U_NAMESPACE_BEGIN
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union FormatInfo;
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class Win32NumberFormat : public NumberFormat
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{
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public:
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Win32NumberFormat(const Locale &locale, UBool currency, UErrorCode &status);
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Win32NumberFormat(const Win32NumberFormat &other);
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virtual ~Win32NumberFormat();
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virtual Format *clone(void) const;
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Win32NumberFormat &operator=(const Win32NumberFormat &other);
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/**
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* Format a double number. Concrete subclasses must implement
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* these pure virtual methods.
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*
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* @param number The value to be formatted.
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* @param appendTo Output parameter to receive result.
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* Result is appended to existing contents.
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* @param pos On input: an alignment field, if desired.
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* On output: the offsets of the alignment field.
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* @return Reference to 'appendTo' parameter.
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*/
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virtual UnicodeString& format(double number,
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UnicodeString& appendTo,
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FieldPosition& pos) const;
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/**
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* Format a long number. Concrete subclasses must implement
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* these pure virtual methods.
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*
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* @param number The value to be formatted.
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* @param appendTo Output parameter to receive result.
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* Result is appended to existing contents.
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* @param pos On input: an alignment field, if desired.
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* On output: the offsets of the alignment field.
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* @return Reference to 'appendTo' parameter.
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*/
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virtual UnicodeString& format(int32_t number,
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UnicodeString& appendTo,
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FieldPosition& pos) const;
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/**
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* Format an int64 number.
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*
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* @param number The value to be formatted.
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* @param appendTo Output parameter to receive result.
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* Result is appended to existing contents.
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* @param pos On input: an alignment field, if desired.
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* On output: the offsets of the alignment field.
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* @return Reference to 'appendTo' parameter.
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*/
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virtual UnicodeString& format(int64_t number,
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UnicodeString& appendTo,
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FieldPosition& pos) const;
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using NumberFormat::format;
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// Use the default behavior for the following.
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// virtual UnicodeString &format(double number, UnicodeString &appendTo) const;
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// virtual UnicodeString &format(int32_t number, UnicodeString &appendTo) const;
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// virtual UnicodeString &format(int64_t number, UnicodeString &appendTo) const;
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virtual void parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const;
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/**
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* Sets the maximum number of digits allowed in the fraction portion of a
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* number. maximumFractionDigits must be >= minimumFractionDigits. If the
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* new value for maximumFractionDigits is less than the current value
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* of minimumFractionDigits, then minimumFractionDigits will also be set to
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* the new value.
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* @param newValue the new value to be set.
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* @see getMaximumFractionDigits
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*/
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virtual void setMaximumFractionDigits(int32_t newValue);
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/**
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* Sets the minimum number of digits allowed in the fraction portion of a
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* number. minimumFractionDigits must be <= maximumFractionDigits. If the
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* new value for minimumFractionDigits exceeds the current value
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* of maximumFractionDigits, then maximumIntegerDigits will also be set to
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* the new value
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* @param newValue the new value to be set.
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* @see getMinimumFractionDigits
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*/
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virtual void setMinimumFractionDigits(int32_t newValue);
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/**
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* Return the class ID for this class. This is useful only for comparing to
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* a return value from getDynamicClassID(). For example:
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* <pre>
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* . Base* polymorphic_pointer = createPolymorphicObject();
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* . if (polymorphic_pointer->getDynamicClassID() ==
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* . erived::getStaticClassID()) ...
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* </pre>
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* @return The class ID for all objects of this class.
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*/
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U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);
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/**
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* Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
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* method is to implement a simple version of RTTI, since not all C++
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* compilers support genuine RTTI. Polymorphic operator==() and clone()
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* methods call this method.
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*
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* @return The class ID for this object. All objects of a
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* given class have the same class ID. Objects of
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* other classes have different class IDs.
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*/
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virtual UClassID getDynamicClassID(void) const;
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private:
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UnicodeString &format(int32_t numDigits, UnicodeString &appendTo, const wchar_t *format, ...) const;
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UBool fCurrency;
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Locale fLocale;
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int32_t fLCID;
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FormatInfo *fFormatInfo;
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UBool fFractionDigitsSet;
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};
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_FORMATTING */
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#endif // U_PLATFORM_USES_ONLY_WIN32_API
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#endif // __WINNMFMT
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