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//------------------------------------------------------------------------------
// <copyright file="Middle.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Security.AntiXss.CodeCharts {
using System.Collections;
/// <summary>
/// Provides safe character positions for the middle section of the UTF code tables.
/// </summary>
internal static class Middle {
/// <summary>
/// Determines if the specified flag is set.
/// </summary>
/// <param name="flags">The value to check.</param>
/// <param name="flagToCheck">The flag to check for.</param>
/// <returns>true if the flag is set, otherwise false.</returns>
public static bool IsFlagSet(MidCodeCharts flags, MidCodeCharts flagToCheck) {
return (flags & flagToCheck) != 0;
}
/// <summary>
/// Provides the safe characters for the Greek Extended code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable GreekExtended() {
return CodeChartHelper.GetRange(0x1F00, 0x1FFE,
i => (i == 0x1F16 ||
i == 0x1F17 ||
i == 0x1F1E ||
i == 0x1F1F ||
i == 0x1F46 ||
i == 0x1F47 ||
i == 0x1F4E ||
i == 0x1F4F ||
i == 0x1F58 ||
i == 0x1F5A ||
i == 0x1F5C ||
i == 0x1F5E ||
i == 0x1F7E ||
i == 0x1F7F ||
i == 0x1FB5 ||
i == 0x1FC5 ||
i == 0x1FD4 ||
i == 0x1FD5 ||
i == 0x1FDC ||
i == 0x1FF0 ||
i == 0x1FF1 ||
i == 0x1FF5));
}
/// <summary>
/// Provides the safe characters for the General Punctuation code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable GeneralPunctuation() {
return CodeChartHelper.GetRange(0x2000, 0x206F,
i => (i >= 0x2065 && i <= 0x2069));
}
/// <summary>
/// Provides the safe characters for the Superscripts and subscripts code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable SuperscriptsAndSubscripts() {
return CodeChartHelper.GetRange(0x2070, 0x2094,
i => (i == 0x2072 ||
i == 0x2073 ||
i == 0x208F));
}
/// <summary>
/// Provides the safe characters for the Currency Symbols code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable CurrencySymbols() {
return CodeChartHelper.GetRange(0x20A0, 0x20B8);
}
/// <summary>
/// Provides the safe characters for the Combining Diacritrical Marks for Symbols code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable CombiningDiacriticalMarksForSymbols() {
return CodeChartHelper.GetRange(0x20D0, 0x20F0);
}
/// <summary>
/// Provides the safe characters for the Letterlike Symbols code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable LetterlikeSymbols() {
return CodeChartHelper.GetRange(0x2100, 0x214F);
}
/// <summary>
/// Provides the safe characters for the Number Forms code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable NumberForms() {
return CodeChartHelper.GetRange(0x2150, 0x2189);
}
/// <summary>
/// Provides the safe characters for the Arrows code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Arrows() {
return CodeChartHelper.GetRange(0x2190, 0x21FF);
}
/// <summary>
/// Provides the safe characters for the Mathematical Operators code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MathematicalOperators() {
return CodeChartHelper.GetRange(0x2200, 0x22FF);
}
/// <summary>
/// Provides the safe characters for the Miscellaneous Technical code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MiscellaneousTechnical() {
return CodeChartHelper.GetRange(0x2300, 0x23E8);
}
/// <summary>
/// Provides the safe characters for the Control Pictures code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable ControlPictures() {
return CodeChartHelper.GetRange(0x2400, 0x2426);
}
/// <summary>
/// Provides the safe characters for the OCR code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable OpticalCharacterRecognition() {
return CodeChartHelper.GetRange(0x2440, 0x244A);
}
/// <summary>
/// Provides the safe characters for the Enclosed Alphanumerics code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable EnclosedAlphanumerics() {
return CodeChartHelper.GetRange(0x2460, 0x24FF);
}
/// <summary>
/// Provides the safe characters for the Box Drawing code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable BoxDrawing() {
return CodeChartHelper.GetRange(0x2500, 0x257F);
}
/// <summary>
/// Provides the safe characters for the Block Elements code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable BlockElements() {
return CodeChartHelper.GetRange(0x2580, 0x259F);
}
/// <summary>
/// Provides the safe characters for the Geometric Shapes code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable GeometricShapes() {
return CodeChartHelper.GetRange(0x25A0, 0x25FF);
}
/// <summary>
/// Provides the safe characters for the Miscellaneous Symbols code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MiscellaneousSymbols() {
return CodeChartHelper.GetRange(0x2600, 0x26FF,
i => (i == 0x26CE ||
i == 0x26E2 ||
(i >= 0x26E4 && i <= 0x26E7)));
}
/// <summary>
/// Provides the safe characters for the Dingbats code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Dingbats() {
return CodeChartHelper.GetRange(0x2701, 0x27BE,
i => (i == 0x2705 ||
i == 0x270A ||
i == 0x270B ||
i == 0x2728 ||
i == 0x274C ||
i == 0x274E ||
i == 0x2753 ||
i == 0x2754 ||
i == 0x2755 ||
i == 0x275F ||
i == 0x2760 ||
i == 0x2795 ||
i == 0x2796 ||
i == 0x2797 ||
i == 0x27B0));
}
/// <summary>
/// Provides the safe characters for the Miscellaneous Mathematical Symbols A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MiscellaneousMathematicalSymbolsA() {
return CodeChartHelper.GetRange(0x27C0, 0x27EF,
i => (i == 0x27CB ||
i == 0x27CD ||
i == 0x27CE ||
i == 0x27CF));
}
/// <summary>
/// Provides the safe characters for the Supplemental Arrows A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable SupplementalArrowsA() {
return CodeChartHelper.GetRange(0x27F0, 0x27FF);
}
/// <summary>
/// Provides the safe characters for the Braille Patterns code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable BraillePatterns() {
return CodeChartHelper.GetRange(0x2800, 0x28FF);
}
/// <summary>
/// Provides the safe characters for the Supplemental Arrows B code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable SupplementalArrowsB() {
return CodeChartHelper.GetRange(0x2900, 0x297F);
}
/// <summary>
/// Provides the safe characters for the Miscellaneous Mathematical Symbols B code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MiscellaneousMathematicalSymbolsB() {
return CodeChartHelper.GetRange(0x2980, 0x29FF);
}
/// <summary>
/// Provides the safe characters for the Supplemental Mathematical Operators code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable SupplementalMathematicalOperators() {
return CodeChartHelper.GetRange(0x2A00, 0x2AFF);
}
/// <summary>
/// Provides the safe characters for the Miscellaneous Symbols and Arrows code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MiscellaneousSymbolsAndArrows() {
return CodeChartHelper.GetRange(0x2B00, 0x2B59,
i => (i == 0x2B4D ||
i == 0x2B4E ||
i == 0x2B4F));
}
/// <summary>
/// Provides the safe characters for the Glagolitic code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Glagolitic() {
return CodeChartHelper.GetRange(0x2C00, 0x2C5E,
i => (i == 0x2C2F));
}
/// <summary>
/// Provides the safe characters for the Latin Extended C code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable LatinExtendedC() {
return CodeChartHelper.GetRange(0x2C60, 0x2C7F);
}
/// <summary>
/// Provides the safe characters for the Coptic table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Coptic() {
return CodeChartHelper.GetRange(0x2C80, 0x2CFF,
i => (i >= 0x2CF2 && i <= 0x2CF8));
}
/// <summary>
/// Provides the safe characters for the Georgian Supplement code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable GeorgianSupplement() {
return CodeChartHelper.GetRange(0x2D00, 0x2D25);
}
/// <summary>
/// Provides the safe characters for the Tifinagh code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Tifinagh() {
return CodeChartHelper.GetRange(0x2D30, 0x2D6F,
i => (i >= 0x2D66 && i <= 0x2D6E));
}
/// <summary>
/// Provides the safe characters for the Ethiopic Extended code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable EthiopicExtended() {
return CodeChartHelper.GetRange(0x2D80, 0x2DDE,
i => ((i >= 0x2D97 && i <= 0x2D9F) ||
i == 0x2DA7 ||
i == 0x2DAF ||
i == 0x2DB7 ||
i == 0x2DBF ||
i == 0x2DC7 ||
i == 0x2DCF ||
i == 0x2DD7 ||
i == 0x2DDF));
}
}
}
|
