添加对 Core 的直接引用

RhythmBaseCore/Components/RichText/RDPhrase.cs

@@ -0,0 +1,100 @@
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Numerics;
+
+namespace RhythmBase.Components.RichText
+{
+
+	/// <summary>
+	/// Represents a rich text string with various styling options.
+	/// </summary>
+	/// <param name="text">The text content of the rich string.</param>
+	[DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
+	public struct RDPhrase<TStyle>(string text)
+		: IEqualityOperators<RDPhrase<TStyle>, RDPhrase<TStyle>, bool>,
+			IEquatable<RDPhrase<TStyle>>
+		where TStyle : IRDRichStringStyle<TStyle>, new()
+	{
+		/// <summary>
+		/// Gets the text content of the rich string.
+		/// </summary>
+		public string Text { get; internal set; } = text;
+		/// <summary>
+		/// Gets or sets the events associated with the rich string.
+		/// </summary>
+		public RDDialogueTone[] Events { get; init; } = [];
+		/// <summary>
+		/// Gets the length of the text content.
+		/// </summary>
+		/// <value>The number of characters in the text content.</value>
+		public readonly int Length => Text.Length;
+		/// <summary>
+		/// Gets the rich string at the specified index.
+		/// </summary>
+		/// <param name="index">The index of the character.</param>
+		/// <returns>A new <see cref="RDPhrase{TStyle}"/> with the character at the specified index.</returns>
+		public RDPhrase<TStyle> this[Index index]
+		{
+			get
+			{
+				return new RDPhrase<TStyle>
+				{
+					Text = Text[index].ToString(),
+					Style = Style,
+					Events = GetEvents(index.GetOffset(Length), 1)
+				};
+			}
+		}
+
+		/// <summary>
+		/// Gets the rich string within the specified range.
+		/// </summary>
+		/// <param name="range">The range of characters.</param>
+		/// <returns>A new <see cref="RDPhrase{TStyle}"/> with the characters within the specified range.</returns>
+		public RDPhrase<TStyle> this[Range range]
+		{
+			get
+			{
+				RDPhrase<TStyle> style = new()
+				{
+					Text = Text[range],
+					Style = Style,
+					Events = GetEvents(range.Start.GetOffset(Length), range.End.GetOffset(Length) - range.Start.GetOffset(Length))
+				};
+				return style;
+			}
+		}
+		private readonly RDDialogueTone[] GetEvents(int start, int length) => Events
+			.Where(e => e.Index >= start && e.Index < start + length)
+			.Select(e => new RDDialogueTone(e.Type, e.Index - start))
+			.ToArray();
+		/// <summary>
+		/// Gets a new <see cref="RDPhrase{TStyle}"/> with the same style as the current instance.
+		/// </summary>
+		public TStyle Style { get; init; } = new();
+		/// <summary>
+		/// Initializes a new instance of the <see cref="RDPhrase{TStyle}"/> struct with an empty text.
+		/// </summary>
+		public RDPhrase() : this("") { }
+		/// <summary>
+		/// Implicitly converts a string to an <see cref="RDPhrase{TStyle}"/>.
+		/// </summary>
+		/// <param name="text">The text to convert.</param>
+		/// <returns>A new <see cref="RDPhrase{TStyle}"/> instance with the specified text.</returns>
+		public static implicit operator RDPhrase<TStyle>(string text) => new() { Text = text };
+		/// <inheritdoc/>
+		public static bool operator ==(RDPhrase<TStyle> left, RDPhrase<TStyle> right) => left.Text == right.Text && left.Style == right.Style;
+		/// <inheritdoc/>
+		public static bool operator !=(RDPhrase<TStyle> left, RDPhrase<TStyle> right) => !(left == right);
+		/// <inheritdoc/>
+		public readonly bool Equals(RDPhrase<TStyle> other) => this == other;
+		/// <inheritdoc/>
+		public override readonly bool Equals([NotNullWhen(true)] object? obj) => obj is RDPhrase<TStyle> && base.Equals(obj);
+		/// <inheritdoc/>
+		public override readonly int GetHashCode() => Text.GetHashCode();
+		/// <inheritdoc/>
+		public override readonly string ToString() => Text;
+		/// <inheritdoc/>
+		private readonly string GetDebuggerDisplay() => ToString();
+	}
+}