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//------------------------------------------------------------------------------
// <copyright file="Upper.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Security.AntiXss.CodeCharts {
using System.Collections;
using System.Linq;
/// <summary>
/// Provides safe character positions for the upper section of the UTF code tables.
/// </summary>
internal static class Upper {
/// <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(UpperCodeCharts flags, UpperCodeCharts flagToCheck) {
return (flags & flagToCheck) != 0;
}
/// <summary>
/// Provides the safe characters for the Devanagari Extended code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable DevanagariExtended() {
return CodeChartHelper.GetRange(0xA8E0, 0xA8FB);
}
/// <summary>
/// Provides the safe characters for the Kayah Li code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable KayahLi() {
return CodeChartHelper.GetRange(0xA900, 0xA92F);
}
/// <summary>
/// Provides the safe characters for the Rejang code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Rejang() {
return CodeChartHelper.GetRange(0xA930, 0xA953).Concat(
new[] { 0xA95F });
}
/// <summary>
/// Provides the safe characters for the Hangul Jamo Extended A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable HangulJamoExtendedA() {
return CodeChartHelper.GetRange(0xA960, 0xA97C);
}
/// <summary>
/// Provides the safe characters for the Javanese code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Javanese() {
return CodeChartHelper.GetRange(0xA980, 0xA9DF,
i => (i == 0xA9CE ||
(i >= 0xA9DA && i <= 0xA9DD)));
}
/// <summary>
/// Provides the safe characters for the Cham code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Cham() {
return CodeChartHelper.GetRange(0xAA00, 0xAA5F,
i => ((i >= 0xAA37 && i <= 0xAA3F) ||
i == 0xAA4E ||
i == 0xAA4F ||
i == 0xAA5A ||
i == 0xAA5B));
}
/// <summary>
/// Provides the safe characters for the Myanmar Extended A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MyanmarExtendedA() {
return CodeChartHelper.GetRange(0xAA60, 0xAA7B);
}
/// <summary>
/// Provides the safe characters for the Myanmar Extended A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable TaiViet() {
return CodeChartHelper.GetRange(0xAA80, 0xAAC2).Concat(
CodeChartHelper.GetRange(0xAADB, 0xAADF));
}
/// <summary>
/// Provides the safe characters for the Meetei Mayek code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable MeeteiMayek() {
return CodeChartHelper.GetRange(0xABC0, 0xABF9,
i => (i == 0xABEE ||
i == 0xABEF));
}
/// <summary>
/// Provides the safe characters for the Hangul Syllables code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable HangulSyllables() {
return CodeChartHelper.GetRange(0xAC00, 0xD7A3);
}
/// <summary>
/// Provides the safe characters for the Hangul Jamo Extended B code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable HangulJamoExtendedB() {
return CodeChartHelper.GetRange(0xD7B0, 0xD7FB,
i => (i == 0xD7C7 ||
i == 0xD7C8 ||
i == 0xD7C9 ||
i == 0xD7CA));
}
/// <summary>
/// Provides the safe characters for the CJK Compatibility Ideographs code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable CjkCompatibilityIdeographs() {
return CodeChartHelper.GetRange(0xF900, 0xFAD9,
i => (i == 0xFA2E ||
i == 0xFA2F ||
i == 0xFA6E ||
i == 0xFA6F));
}
/// <summary>
/// Provides the safe characters for the Alphabetic Presentation Forms code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable AlphabeticPresentationForms() {
return CodeChartHelper.GetRange(0xFB00, 0xFB4F,
i => ((i >= 0xFB07 && i <= 0xFB12) ||
(i >= 0xFB18 && i <= 0xFB1C) ||
i == 0xFB37 ||
i == 0xFB3D ||
i == 0xFB3F ||
i == 0xFB42 ||
i == 0xFB45));
}
/// <summary>
/// Provides the safe characters for the Arabic Presentation Forms A code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable ArabicPresentationFormsA() {
return CodeChartHelper.GetRange(0xFB50, 0xFDFD,
i => ((i >= 0xFBB2 && i <= 0xFBD2) ||
(i >= 0xFD40 && i <= 0xFD4F) ||
i == 0xFD90 ||
i == 0xFD91 ||
(i >= 0xFDC8 && i <= 0xFDEF)));
}
/// <summary>
/// Provides the safe characters for the Variation Selectors code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable VariationSelectors() {
return CodeChartHelper.GetRange(0xFE00, 0xFE0F);
}
/// <summary>
/// Provides the safe characters for the Vertical Forms code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable VerticalForms() {
return CodeChartHelper.GetRange(0xFE10, 0xFE19);
}
/// <summary>
/// Provides the safe characters for the Combining Half Marks code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable CombiningHalfMarks() {
return CodeChartHelper.GetRange(0xFE20, 0xFE26);
}
/// <summary>
/// Provides the safe characters for the CJK Compatibility Forms code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable CjkCompatibilityForms() {
return CodeChartHelper.GetRange(0xFE30, 0xFE4F);
}
/// <summary>
/// Provides the safe characters for the Small Form Variants code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable SmallFormVariants() {
return CodeChartHelper.GetRange(0xFE50, 0xFE6B,
i => (i == 0xFE53 || i == 0xFE67));
}
/// <summary>
/// Provides the safe characters for the Arabic Presentation Forms B code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable ArabicPresentationFormsB() {
return CodeChartHelper.GetRange(0xFE70, 0xFEFC,
i => (i == 0xFE75));
}
/// <summary>
/// Provides the safe characters for the Half Width and Full Width Forms code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable HalfWidthAndFullWidthForms() {
return CodeChartHelper.GetRange(0xFF01, 0xFFEE,
i => (i == 0xFFBF ||
i == 0xFFC0 ||
i == 0xFFC1 ||
i == 0xFFC8 ||
i == 0xFFC9 ||
i == 0xFFD0 ||
i == 0xFFD1 ||
i == 0xFFD8 ||
i == 0xFFD9 ||
i == 0xFFDD ||
i == 0xFFDE ||
i == 0xFFDF ||
i == 0xFFE7));
}
/// <summary>
/// Provides the safe characters for the Specials code table.
/// </summary>
/// <returns>The safe characters for the code table.</returns>
public static IEnumerable Specials() {
return CodeChartHelper.GetRange(0xFFF9, 0xFFFD);
}
}
}
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