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Co-authored-by: Andreas Willich <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| #nullable enable | ||
| using System.Text; | ||
|
|
||
| namespace TechTalk.SpecFlow.Tracing.AnsiColor; | ||
|
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| public readonly struct AnsiColor | ||
| { | ||
| private const char EscapeCode = '\x1b'; | ||
|
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| public AnsiColor[]? Codes { get; } = null; | ||
|
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| public static AnsiColor Reset = new(TerminalControlSequences.Reset); | ||
| public static AnsiColor Bold = new(TerminalControlSequences.Bold); | ||
| public static AnsiColor Italic = new(TerminalControlSequences.Italic); | ||
| public static AnsiColor Underline = new(TerminalControlSequences.Underline); | ||
| public static AnsiColor Strike = new(TerminalControlSequences.Strike); | ||
|
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| public static AnsiColor Foreground(Terminal256ColorCodes color) => new(TerminalControlSequences.SetForegroundColor, color); | ||
| public static AnsiColor Foreground(TerminalRgbColor color) => new(TerminalControlSequences.SetForegroundColor, color); | ||
| public static AnsiColor Foreground(int r, int g, int b) => new(TerminalControlSequences.SetForegroundColor, new TerminalRgbColor(r, g, b)); | ||
| public static AnsiColor Background(Terminal256ColorCodes color) => new(TerminalControlSequences.SetBackgroundColor, color); | ||
| public static AnsiColor Background(TerminalRgbColor color) => new(TerminalControlSequences.SetBackgroundColor, color); | ||
| public static AnsiColor Background(int r, int g, int b) => new(TerminalControlSequences.SetBackgroundColor, new TerminalRgbColor(r, g, b)); | ||
| public static AnsiColor Composite(params AnsiColor[] codes) => new(codes); | ||
|
|
||
| #if NET3_0_OR_GREATER | ||
| [return: System.Diagnostics.CodeAnalysis.NotNullIfNotNull("text")] | ||
| #endif | ||
| public static string? ColorizeText(string? text, AnsiColor code) | ||
| { | ||
| if (text == null) return null; | ||
| var sb = new StringBuilder(); | ||
| code.ToEscapeSequence(sb); | ||
| sb.Append(text); | ||
| code.ToResetSequence(sb); | ||
| return sb.ToString(); | ||
| } | ||
|
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| public readonly TerminalControlSequences ControlSequence = TerminalControlSequences.None; | ||
| public readonly TerminalControlSequences ResetSequence = TerminalControlSequences.Reset; | ||
| public readonly Terminal256ColorCodes ColorCode256 = Terminal256ColorCodes.None; | ||
| public readonly TerminalRgbColor RgbColorCode = TerminalRgbColor.None; | ||
|
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| public AnsiColor(TerminalControlSequences controlSequence) | ||
| { | ||
| ControlSequence = controlSequence; | ||
| switch (ControlSequence) | ||
| { | ||
| case TerminalControlSequences.SetForegroundColor: | ||
| case TerminalControlSequences.SetBackgroundColor: | ||
| throw new InvalidColorException($"{ControlSequence} requires a color parameter"); | ||
| } | ||
|
|
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| ResetSequence = GetResetSequence(controlSequence); | ||
| } | ||
|
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| public AnsiColor(TerminalControlSequences controlSequence, Terminal256ColorCodes colorCode256) | ||
| { | ||
| ControlSequence = controlSequence; | ||
| ColorCode256 = colorCode256; | ||
| ResetSequence = GetResetSequence(controlSequence); | ||
| } | ||
|
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| public AnsiColor(TerminalControlSequences controlSequence, TerminalRgbColor rgbColor) | ||
| { | ||
| ControlSequence = controlSequence; | ||
| RgbColorCode = rgbColor; | ||
| ResetSequence = GetResetSequence(controlSequence); | ||
| } | ||
|
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| private TerminalControlSequences GetResetSequence(TerminalControlSequences controlSequence) | ||
| { | ||
| switch (ControlSequence) | ||
| { | ||
| case TerminalControlSequences.SetForegroundColor: return TerminalControlSequences.DefaultForegroundColor; | ||
| case TerminalControlSequences.SetBackgroundColor: return TerminalControlSequences.DefaultBackgroundColor; | ||
| case TerminalControlSequences.Bold: return TerminalControlSequences.Faint; | ||
| case TerminalControlSequences.RapidBlink: | ||
| case TerminalControlSequences.SlowBlink: | ||
| return TerminalControlSequences.NotBlinking; | ||
| case TerminalControlSequences.Strike: return TerminalControlSequences.NotCrossedOut; | ||
| case TerminalControlSequences.Underline: return TerminalControlSequences.NotUnderline; | ||
| case TerminalControlSequences.Italic: return TerminalControlSequences.NeitherItalicNorBlackletter; | ||
| case TerminalControlSequences.Hide: return TerminalControlSequences.Reveal; | ||
| } | ||
|
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| return TerminalControlSequences.Reset; | ||
| } | ||
|
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| public AnsiColor(params AnsiColor[] codes) | ||
| { | ||
| Codes = codes; | ||
| } | ||
|
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| public string Colorize(string? text) | ||
| { | ||
| var sb = new StringBuilder(); | ||
| ToEscapeSequence(sb); | ||
| sb.Append(text); | ||
| ToResetSequence(sb); | ||
| return sb.ToString(); | ||
| } | ||
|
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| public override string ToString() | ||
| { | ||
| return ToEscapeSequence(); | ||
| } | ||
|
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| public string ToResetSequence() | ||
| { | ||
| var sb = new StringBuilder(); | ||
| ToResetSequence(sb); | ||
| return sb.ToString(); | ||
| } | ||
|
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| public void ToString(StringBuilder sb) | ||
| { | ||
| ToEscapeSequence(sb); | ||
| } | ||
|
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| public string ToEscapeSequence() | ||
| { | ||
| var sb = new StringBuilder(); | ||
| ToEscapeSequence(sb); | ||
| return sb.ToString(); | ||
| } | ||
|
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| public void ToResetSequence(StringBuilder sb) | ||
| { | ||
| sb.Append(EscapeCode); | ||
| sb.Append('['); | ||
|
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| if (Codes != null && Codes.Length > 0) | ||
| { | ||
| foreach (var colorCode in Codes) | ||
| { | ||
| sb.Append((int)colorCode.ResetSequence); | ||
| sb.Append(';'); | ||
| } | ||
|
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| sb.Length--; | ||
| sb.Append('m'); | ||
| return; | ||
| } | ||
|
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| sb.Append((int)ResetSequence); | ||
| sb.Append('m'); | ||
| } | ||
|
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| public void ToEscapeSequence(StringBuilder sb) | ||
| { | ||
| sb.Append(EscapeCode); | ||
| sb.Append('['); | ||
| if (Codes != null && Codes.Length > 0) | ||
| { | ||
| foreach (var colorCode in Codes) | ||
| { | ||
| colorCode.ToEscapeParameters(sb); | ||
| sb.Append(';'); | ||
| } | ||
|
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| sb.Length--; | ||
| sb.Append('m'); | ||
| return; | ||
| } | ||
|
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| ToEscapeParameters(sb); | ||
| sb.Append('m'); | ||
| } | ||
|
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| public void ToEscapeParameters(StringBuilder sb) | ||
| { | ||
| switch (ControlSequence) | ||
| { | ||
| case TerminalControlSequences.SetForegroundColor: | ||
| case TerminalControlSequences.SetBackgroundColor: | ||
| sb.Append((int)ControlSequence); | ||
| sb.Append(';'); | ||
| if (ColorCode256 != Terminal256ColorCodes.None) | ||
| sb.Append(ColorCode256.ToColorParameter()); | ||
| else if (RgbColorCode != TerminalRgbColor.None) | ||
| sb.Append(RgbColorCode.ToColorParameter()); | ||
| else | ||
| throw new InvalidColorException($"{ControlSequence} requires a color parameter"); | ||
| break; | ||
| default: | ||
| sb.Append((int)ControlSequence); | ||
| break; | ||
| } | ||
| } | ||
| } |
12 changes: 12 additions & 0 deletions
12
TechTalk.SpecFlow/Tracing/AnsiColor/InvalidColorException.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #nullable enable | ||
| using System; | ||
|
|
||
| namespace TechTalk.SpecFlow.Tracing.AnsiColor; | ||
|
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| public class InvalidColorException : Exception | ||
| { | ||
| public InvalidColorException(string? message) | ||
| : base(message) | ||
| { | ||
| } | ||
| } |
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