segments)
+ {
+ var builder = new StringBuilder();
+
+ builder.Append("\n");
+
+ foreach (var (_, first, _, segment) in segments.Enumerate())
+ {
+ if (segment.Text == "\n" && !first)
+ {
+ builder.Append('\n');
+ continue;
+ }
+
+ var parts = segment.Text.Split(new[] { '\n' }, StringSplitOptions.None);
+ foreach (var (_, _, last, line) in parts.Enumerate())
+ {
+ if (string.IsNullOrEmpty(line))
+ {
+ continue;
+ }
+
+ builder.Append("');
+ builder.Append(line);
+ builder.Append("");
+
+ if (parts.Length > 1 && !last)
+ {
+ builder.Append('\n');
+ }
+ }
+ }
+
+ builder.Append("");
+
+ return builder.ToString().TrimEnd('\n');
+ }
+
+ private static string BuildCss(Style style)
+ {
+ var css = new List();
+
+ var foreground = style.Foreground;
+ var background = style.Background;
+
+ if ((style.Decoration & Decoration.Invert) != 0)
+ {
+ var temp = foreground;
+ foreground = background;
+ background = temp;
+ }
+
+ if ((style.Decoration & Decoration.Dim) != 0)
+ {
+ var blender = background;
+ if (blender.Equals(Color.Default))
+ {
+ blender = Color.White;
+ }
+
+ foreground = foreground.Blend(blender, 0.5f);
+ }
+
+ if (!foreground.Equals(Color.Default))
+ {
+ css.Add($"color: #{foreground.ToHex()}");
+ }
+
+ if (!background.Equals(Color.Default))
+ {
+ css.Add($"background-color: #{background.ToHex()}");
+ }
+
+ if ((style.Decoration & Decoration.Bold) != 0)
+ {
+ css.Add("font-weight: bold");
+ }
+
+ if ((style.Decoration & Decoration.Bold) != 0)
+ {
+ css.Add("font-style: italic");
+ }
+
+ if ((style.Decoration & Decoration.Underline) != 0)
+ {
+ css.Add("text-decoration: underline");
+ }
+
+ if ((style.Decoration & Decoration.Strikethrough) != 0)
+ {
+ css.Add("text-decoration: line-through");
+ }
+
+ return string.Join(";", css);
+ }
+ }
+}
diff --git a/src/Spectre.Console/Internal/TextEncoder.cs b/src/Spectre.Console/Internal/TextEncoder.cs
new file mode 100644
index 0000000..2bc3adf
--- /dev/null
+++ b/src/Spectre.Console/Internal/TextEncoder.cs
@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.Text;
+using Spectre.Console.Rendering;
+
+namespace Spectre.Console.Internal
+{
+ internal sealed class TextEncoder : IAnsiConsoleEncoder
+ {
+ public string Encode(IEnumerable segments)
+ {
+ var builder = new StringBuilder();
+
+ foreach (var segment in Segment.Merge(segments))
+ {
+ builder.Append(segment.Text);
+ }
+
+ return builder.ToString().TrimEnd('\n');
+ }
+ }
+}
diff --git a/src/Spectre.Console/Recorder.cs b/src/Spectre.Console/Recorder.cs
new file mode 100644
index 0000000..140319b
--- /dev/null
+++ b/src/Spectre.Console/Recorder.cs
@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Spectre.Console.Rendering;
+
+namespace Spectre.Console
+{
+ ///
+ /// A console recorder used to record output from a console.
+ ///
+ public sealed class Recorder : IAnsiConsole, IDisposable
+ {
+ private readonly IAnsiConsole _console;
+ private readonly List _recorded;
+
+ ///
+ public Capabilities Capabilities => _console.Capabilities;
+
+ ///
+ public Encoding Encoding => _console.Encoding;
+
+ ///
+ public int Width => _console.Width;
+
+ ///
+ public int Height => _console.Height;
+
+ ///
+ /// Initializes a new instance of the class.
+ ///
+ /// The console to record output for.
+ public Recorder(IAnsiConsole console)
+ {
+ _console = console ?? throw new ArgumentNullException(nameof(console));
+ _recorded = new List();
+ }
+
+ ///
+ public void Dispose()
+ {
+ // Only used for scoping.
+ }
+
+ ///
+ public void Write(Segment segment)
+ {
+ _recorded.Add(segment);
+ _console.Write(segment);
+ }
+
+ ///
+ /// Exports the recorded data.
+ ///
+ /// The encoder.
+ /// The recorded data represented as a string.
+ public string Export(IAnsiConsoleEncoder encoder)
+ {
+ if (encoder is null)
+ {
+ throw new ArgumentNullException(nameof(encoder));
+ }
+
+ return encoder.Encode(_recorded);
+ }
+ }
+}
diff --git a/src/Spectre.Console/Rendering/Segment.cs b/src/Spectre.Console/Rendering/Segment.cs
index 3020ce5..0dfed61 100644
--- a/src/Spectre.Console/Rendering/Segment.cs
+++ b/src/Spectre.Console/Rendering/Segment.cs
@@ -72,7 +72,7 @@ namespace Spectre.Console.Rendering
}
Text = text.NormalizeLineEndings();
- Style = style;
+ Style = style ?? throw new ArgumentNullException(nameof(style));
IsLineBreak = lineBreak;
IsWhiteSpace = string.IsNullOrWhiteSpace(text);
}