GoldenCrystal
219 lines
12 KiB
C#
219 lines
12 KiB
C#
using System.Diagnostics;
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using System.Globalization;
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namespace System.Unicode
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{
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/// <summary>Provides information on a specific unicode code point.</summary>
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[DebuggerDisplay(@"{CodePoint.ToString(""X4""),nq} - {Name,nq}")]
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public struct UnicodeCharInfo
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{
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/// <summary>The code point.</summary>
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private readonly int codePoint;
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/// <summary>The name of the code point.</summary>
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private readonly string name;
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internal readonly int unicodeCharacterDataIndex;
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private readonly int unihanCharacterDataIndex;
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private readonly string block;
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private ref UnicodeCharacterData UnicodeCharacterData => ref UnicodeInfo.GetUnicodeCharacterData(unicodeCharacterDataIndex);
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private ref UnihanCharacterData UnihanCharacterData => ref UnicodeInfo.GetUnihanCharacterData(unihanCharacterDataIndex);
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/// <summary>Gets the code point as an UTF-32 value.</summary>
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public int CodePoint => codePoint;
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/// <summary>Gets the code point name.</summary>
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/// <remarks>This is the Name Unicode property.</remarks>
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[ValueName("Name"), ValueName("na")]
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public string Name => name;
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/// <summary>Gets the name aliases defined for the code point.</summary>
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/// <remarks>This is the Name_Alias Unicode property.</remarks>
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[ValueName("Name_Alias")]
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public UnicodeNameAliasCollection NameAliases => new UnicodeNameAliasCollection(UnicodeCharacterData.NameAliases);
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/// <summary>Gets the category defined for the code point.</summary>
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/// <remarks>This is the General_Category Unicode property.</remarks>
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[ValueName("General_Category"), ValueName("gc")]
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public UnicodeCategory Category => UnicodeCharacterData.Category;
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/// <summary>Gets the name of the block where the code point is located.</summary>
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/// <remarks>This is the Block Unicode property.</remarks>
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[ValueName("Block"), ValueName("blk")]
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public string Block => block ?? UnicodeInfo.DefaultBlock;
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/// <summary>Gets the canonical combining class defined for the code point.</summary>
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/// <remarks>This is the Canonical_Combining_Class Unicode property.</remarks>
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[ValueName("Canonical_Combining_Class"), ValueName("ccc")]
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public CanonicalCombiningClass CanonicalCombiningClass => UnicodeCharacterData.CanonicalCombiningClass;
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/// <summary>Gets the bidirectional class defined for the code point.</summary>
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/// <remarks>This is the Bidi_Class Unicode property.</remarks>
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[ValueName("Bidi_Class"), ValueName("bc")]
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public BidirectionalClass BidirectionalClass => UnicodeCharacterData.BidirectionalClass;
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/// <summary>Gets the decomposition type defined for the code point.</summary>
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/// <remarks>This is the Decomposition_Type Unicode property.</remarks>
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[ValueName("Decomposition_Type"), ValueName("dt")]
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public CompatibilityFormattingTag DecompositionType => UnicodeCharacterData.DecompositionType;
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/// <summary>Gets the decomposition mapping defined for the code point.</summary>
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/// <remarks>This is the Decomposition_Mapping Unicode property.</remarks>
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[ValueName("Decomposition_Mapping"), ValueName("dm")]
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public string DecompositionMapping => UnicodeCharacterData.DecompositionMapping;
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/// <summary>Gets the numeric type defined for the code point.</summary>
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/// <remarks>
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/// This is the Numeric_Type Unicode property.
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/// When this value is defined to something other than <see cref="UnicodeNumericType.None"/>, the <see cref="NumericValue"/> indicates the numeric value of the code point.
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/// The value of this property may be influenced by Unihan data, which will set it to <see cref="UnicodeNumericType.Numeric"/>.
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/// In this case, the property <see cref="UnihanNumericType"/> will indicate the origin of the numeric value in Unihan data.
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/// </remarks>
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[ValueName("Numeric_Type"), ValueName("nt")]
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public UnicodeNumericType NumericType => unihanCharacterDataIndex >= 0 ? UnihanCharacterData.NumericType != UnihanNumericType.None ? UnicodeNumericType.Numeric : UnicodeNumericType.None : UnicodeCharacterData.NumericType;
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/// <summary>Gets the Unihan numeric type defined for the code point.</summary>
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/// <remarks>The value of this property indicates which of the kPrimaryNumeric, kAccountingNumeric, or kOtherNumeric Unihan property is set, if any.</remarks>
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public UnihanNumericType UnihanNumericType => unihanCharacterDataIndex >= 0 ? UnihanCharacterData.NumericType : UnihanNumericType.None;
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/// <summary>Gets the numeric value defined for the code point.</summary>
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/// <remarks>
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/// This is the Numeric_Value Unicode property.
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/// This value may come from Unihan data.
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/// When this property set, the <see cref="NumericType"/> and <see cref="UnihanNumericType"/> indicates the nature of the numeric value.
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/// </remarks>
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[ValueName("Numeric_Value"), ValueName("nv")]
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public UnicodeRationalNumber? NumericValue
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{
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get
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{
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if (unihanCharacterDataIndex >= 0)
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{
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ref var unihanCharacterData = ref UnihanCharacterData;
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if (unihanCharacterData.NumericType != UnihanNumericType.None)
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{
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return new UnicodeRationalNumber(unihanCharacterData.NumericValue, 1);
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}
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}
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return UnicodeCharacterData.NumericValue;
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}
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}
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/// <summary>Gets a value indicating whether the character is mirrored in bidirectional text.</summary>
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/// <remarks>This is the Bidi_Mirrored Unicode property.</remarks>
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[ValueName("Bidi_Mirrored")]
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public bool BidirectionalMirrored => UnicodeCharacterData.BidirectionalMirrored;
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/// <summary>Gets the Unicode 1 name of the code point.</summary>
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/// <remarks>This is the Unicode_1_Name Unicode property.</remarks>
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[ValueName("Unicode_1_Name"), ValueName("na1")]
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public string OldName => UnicodeCharacterData.OldName;
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/// <summary>Gets the simple uppercase mapping defined for the code point.</summary>
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/// <remarks>This is the Simple_Uppercase_Mapping Unicode property.</remarks>
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[ValueName("Simple_Uppercase_Mapping"), ValueName("suc")]
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public string SimpleUpperCaseMapping => UnicodeCharacterData.SimpleUpperCaseMapping;
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/// <summary>Gets the simple lowercase mapping defined for the code point.</summary>
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/// <remarks>This is the Simple_Lowercase_Mapping Unicode property.</remarks>
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[ValueName("Simple_Lowercase_Mapping"), ValueName("slc")]
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public string SimpleLowerCaseMapping => UnicodeCharacterData.SimpleLowerCaseMapping;
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/// <summary>Gets the simple titlecase mapping defined for the code point.</summary>
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/// <remarks>This is the Simple_Titlecase_Mapping Unicode property.</remarks>
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[ValueName("Simple_Titlecase_Mapping"), ValueName("stc")]
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public string SimpleTitleCaseMapping => UnicodeCharacterData.SimpleTitleCaseMapping;
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/// <summary>Gets a value indicating which of the boolean contributory properties are defined for the code point.</summary>
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/// <remarks>
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/// The Unicode standard indicates contributory properties as neither normative nor informational.
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/// However, contributory properties are used by Unicode to define the code properties.
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/// The corresponding core properties may be accessed from the <see cref="CoreProperties"/> member.
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/// </remarks>
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public ContributoryProperties ContributoryProperties => UnicodeCharacterData.ContributoryProperties;
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/// <summary>Gets a value indicating which of the boolean core properties are defined for the code point.</summary>
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/// <remarks>The core properties are computed by combining various character information together with contributory properties.</remarks>
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public CoreProperties CoreProperties => UnicodeCharacterData.CoreProperties;
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/// <summary>Gets a value indicating which of the boolean emoji properties are defined for the code point.</summary>
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/// <remarks>The emoji properties are provided by the Unicode Emoji standard, which is not directly part of UCD.</remarks>
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public EmojiProperties EmojiProperties => UnicodeCharacterData.EmojiProperties;
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/// <summary>Gets a collection of cross references associated with the code point.</summary>
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/// <remarks>The cross references have been extracted from Unicode data but are not normative.</remarks>
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public UnicodeCrossReferenceCollection CrossRerefences => new UnicodeCrossReferenceCollection(UnicodeCharacterData.CrossRerefences);
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/// <summary>Gets the radical and stroke count for the code point.</summary>
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/// <remarks>
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/// This is the Unicode_Radical_Stroke Unicode property, defined as kRSUnicode in Unihan data.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kRSUnicode"), ValueName("cjkRSUnicode"), ValueName("Unicode_Radical_Stroke"), ValueName("URS")]
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public UnicodeRadicalStrokeCountCollection UnicodeRadicalStrokeCounts => new UnicodeRadicalStrokeCountCollection(UnihanCharacterData.UnicodeRadicalStrokeCounts);
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/// <summary>Gets the definition of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kDefinition Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kDefinition")]
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public string Definition => UnihanCharacterData.Definition;
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/// <summary>Gets the Mandarin reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kMandarin Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kMandarin")]
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public string MandarinReading => UnihanCharacterData.MandarinReading;
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/// <summary>Gets the Cantonese reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kCantonese Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kCantonese")]
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public string CantoneseReading => UnihanCharacterData.CantoneseReading;
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/// <summary>Gets the Japanese Kun reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kJapaneseKun Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kJapaneseKun")]
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public string JapaneseKunReading => UnihanCharacterData.JapaneseKunReading;
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/// <summary>Gets the Japanese On reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kJapaneseOn Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kJapaneseOn")]
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public string JapaneseOnReading => UnihanCharacterData.JapaneseOnReading;
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/// <summary>Gets the Korean reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kKorean Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kKorean")]
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public string KoreanReading => UnihanCharacterData.KoreanReading;
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/// <summary>Gets the Hangul reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kHangul Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kHangul")]
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public string HangulReading => UnihanCharacterData.HangulReading;
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/// <summary>Gets the Vietnamese reading of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kVietnamese Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kVietnamese")]
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public string VietnameseReading => UnihanCharacterData.VietnameseReading;
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/// <summary>Gets the simplified variant of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kSimplifiedVariant Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kSimplifiedVariant")]
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public string SimplifiedVariant => UnihanCharacterData.SimplifiedVariant;
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/// <summary>Gets the traditional variant of the character from the Unihan data.</summary>
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/// <remarks>
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/// This is the kTraditionalVariant Unicode property.
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/// This property is only ever useful when the character is a CJK ideograph.
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/// </remarks>
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[ValueName("kTraditionalVariant")]
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public string TraditionalVariant => UnihanCharacterData.TraditionalVariant;
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internal UnicodeCharInfo(int codePoint, int unicodeCharacterDataIndex, int unihanCharacterDataIndex, string block)
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{
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this.codePoint = codePoint;
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this.name = unicodeCharacterDataIndex >= 0 ? UnicodeInfo.GetName(codePoint, ref UnicodeInfo.GetUnicodeCharacterData(unicodeCharacterDataIndex)) : null;
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this.unicodeCharacterDataIndex = unicodeCharacterDataIndex;
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this.unihanCharacterDataIndex = unihanCharacterDataIndex;
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this.block = block;
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}
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}
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}
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