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