DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Implementation

Mercurial (31ec81b5d7bb)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
/*
********************************************************************************
*   Copyright (C) 2005-2011, International Business Machines
*   Corporation and others.  All Rights Reserved.
********************************************************************************
*
* File WINNMFMT.H
*
********************************************************************************
*/

#ifndef __WINNMFMT
#define __WINNMFMT

#include "unicode/utypes.h"

#if U_PLATFORM_USES_ONLY_WIN32_API

#include "unicode/format.h"
#include "unicode/datefmt.h"
#include "unicode/calendar.h"
#include "unicode/ustring.h"
#include "unicode/locid.h"

#if !UCONFIG_NO_FORMATTING

/**
 * \file 
 * \brief C++ API: Format numbers using Windows API.
 */

U_NAMESPACE_BEGIN

union FormatInfo;

class Win32NumberFormat : public NumberFormat
{
public:
    Win32NumberFormat(const Locale &locale, UBool currency, UErrorCode &status);

    Win32NumberFormat(const Win32NumberFormat &other);

    virtual ~Win32NumberFormat();

    virtual Format *clone(void) const;

    Win32NumberFormat &operator=(const Win32NumberFormat &other);

    /**
     * Format a double number. Concrete subclasses must implement
     * these pure virtual methods.
     *
     * @param number    The value to be formatted.
     * @param appendTo  Output parameter to receive result.
     *                  Result is appended to existing contents.
     * @param pos       On input: an alignment field, if desired.
     *                  On output: the offsets of the alignment field.
     * @return          Reference to 'appendTo' parameter.
     */
    virtual UnicodeString& format(double number,
                                  UnicodeString& appendTo,
                                  FieldPosition& pos) const;
    /**
     * Format a long number. Concrete subclasses must implement
     * these pure virtual methods.
     *
     * @param number    The value to be formatted.
     * @param appendTo  Output parameter to receive result.
     *                  Result is appended to existing contents.
     * @param pos       On input: an alignment field, if desired.
     *                  On output: the offsets of the alignment field.
     * @return          Reference to 'appendTo' parameter.
    */
    virtual UnicodeString& format(int32_t number,
                                  UnicodeString& appendTo,
                                  FieldPosition& pos) const;

    /**
     * Format an int64 number.
     *
     * @param number    The value to be formatted.
     * @param appendTo  Output parameter to receive result.
     *                  Result is appended to existing contents.
     * @param pos       On input: an alignment field, if desired.
     *                  On output: the offsets of the alignment field.
     * @return          Reference to 'appendTo' parameter.
    */
    virtual UnicodeString& format(int64_t number,
                                  UnicodeString& appendTo,
                                  FieldPosition& pos) const;

// Use the default behavior for the following.
//    virtual UnicodeString &format(double number, UnicodeString &appendTo) const;
//    virtual UnicodeString &format(int32_t number, UnicodeString &appendTo) const;
//    virtual UnicodeString &format(int64_t number, UnicodeString &appendTo) const;

    virtual void parse(const UnicodeString& text, Formattable& result, ParsePosition& parsePosition) const;

    /**
     * Sets the maximum number of digits allowed in the fraction portion of a
     * number. maximumFractionDigits must be >= minimumFractionDigits.  If the
     * new value for maximumFractionDigits is less than the current value
     * of minimumFractionDigits, then minimumFractionDigits will also be set to
     * the new value.
     * @param newValue    the new value to be set.
     * @see getMaximumFractionDigits
     */
    virtual void setMaximumFractionDigits(int32_t newValue);

    /**
     * Sets the minimum number of digits allowed in the fraction portion of a
     * number. minimumFractionDigits must be <= maximumFractionDigits.   If the
     * new value for minimumFractionDigits exceeds the current value
     * of maximumFractionDigits, then maximumIntegerDigits will also be set to
     * the new value
     * @param newValue    the new value to be set.
     * @see getMinimumFractionDigits
     */
    virtual void setMinimumFractionDigits(int32_t newValue);

    /**
     * Return the class ID for this class. This is useful only for comparing to
     * a return value from getDynamicClassID(). For example:
     * <pre>
     * .   Base* polymorphic_pointer = createPolymorphicObject();
     * .   if (polymorphic_pointer->getDynamicClassID() ==
     * .       erived::getStaticClassID()) ...
     * </pre>
     * @return          The class ID for all objects of this class.
     */
    U_I18N_API static UClassID U_EXPORT2 getStaticClassID(void);

    /**
     * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
     * method is to implement a simple version of RTTI, since not all C++
     * compilers support genuine RTTI. Polymorphic operator==() and clone()
     * methods call this method.
     *
     * @return          The class ID for this object. All objects of a
     *                  given class have the same class ID.  Objects of
     *                  other classes have different class IDs.
     */
    virtual UClassID getDynamicClassID(void) const;

private:
    UnicodeString &format(int32_t numDigits, UnicodeString &appendTo, wchar_t *format, ...) const;

    UBool fCurrency;
    int32_t fLCID;
    FormatInfo *fFormatInfo;
    UBool fFractionDigitsSet;

};

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif // U_PLATFORM_USES_ONLY_WIN32_API

#endif // __WINNMFMT