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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
** Purpose: Contains valid formats for Numbers recognized by
** the Number class' parsing code.
**
**
===========================================================*/
namespace System.Globalization {
using System;
[Serializable]
[Flags]
[System.Runtime.InteropServices.ComVisible(true)]
public enum NumberStyles {
// Bit flag indicating that leading whitespace is allowed. Character values
// 0x0009, 0x000A, 0x000B, 0x000C, 0x000D, and 0x0020 are considered to be
// whitespace.
None = 0x00000000,
AllowLeadingWhite = 0x00000001,
AllowTrailingWhite = 0x00000002, //Bitflag indicating trailing whitespace is allowed.
AllowLeadingSign = 0x00000004, //Can the number start with a sign char.
//Specified by NumberFormatInfo.PositiveSign and NumberFormatInfo.NegativeSign
AllowTrailingSign = 0x00000008, //Allow the number to end with a sign char
AllowParentheses = 0x00000010, //Allow the number to be enclosed in parens
AllowDecimalPoint = 0x00000020, //Allow a decimal point
AllowThousands = 0x00000040, //Allow thousands separators (more properly, allow group separators)
AllowExponent = 0x00000080, //Allow an exponent
AllowCurrencySymbol = 0x00000100, //Allow a currency symbol.
AllowHexSpecifier = 0x00000200, //Allow specifiying hexadecimal.
//Common uses. These represent some of the most common combinations of these flags.
Integer = AllowLeadingWhite | AllowTrailingWhite | AllowLeadingSign,
HexNumber = AllowLeadingWhite | AllowTrailingWhite | AllowHexSpecifier,
Number = AllowLeadingWhite | AllowTrailingWhite | AllowLeadingSign | AllowTrailingSign |
AllowDecimalPoint | AllowThousands,
Float = AllowLeadingWhite | AllowTrailingWhite | AllowLeadingSign |
AllowDecimalPoint | AllowExponent,
Currency = AllowLeadingWhite | AllowTrailingWhite | AllowLeadingSign | AllowTrailingSign |
AllowParentheses | AllowDecimalPoint | AllowThousands | AllowCurrencySymbol,
Any = AllowLeadingWhite | AllowTrailingWhite | AllowLeadingSign | AllowTrailingSign |
AllowParentheses | AllowDecimalPoint | AllowThousands | AllowCurrencySymbol | AllowExponent,
}
}
|
