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Emit native line breaks

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This commit is contained in:
Patrik Svensson 2020-08-16 13:47:57 +02:00
parent 5b33f80213
commit 4cfe55cc27
5 changed files with 16 additions and 23 deletions
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22
src/Spectre.Console.Tests/Unit/TextTests.cs
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@ -48,26 +48,14 @@ namespace Spectre.Console.Tests.Unit
.ShouldBe("Hello World");
}
[Fact]
public void Should_Write_Line_Breaks()
[Theory]
[InlineData("Hello\n\nWorld\n\n")]
[InlineData("Hello\r\n\r\nWorld\r\n\r\n")]
public void Should_Write_Line_Breaks(string input)
{
// Given
var fixture = new PlainConsole(width: 5);
var text = new Text("Hello\n\nWorld");
// When
fixture.Render(text);
// Then
fixture.RawOutput.ShouldBe("Hello\n\nWorld");
}
[Fact]
public void Should_Write_Line_Breaks_At_End()
{
// Given
var fixture = new PlainConsole(width: 5);
var text = new Text("Hello\n\nWorld\n\n");
var text = new Text(input);
// When
fixture.Render(text);

4
src/Spectre.Console/Composition/Segment.cs
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@ -39,7 +39,7 @@ namespace Spectre.Console.Composition
/// <summary>
/// Gets a segment representing a line break.
/// </summary>
public static Segment LineBreak { get; } = new Segment("\n", Style.Plain, true);
public static Segment LineBreak { get; } = new Segment(Environment.NewLine, Style.Plain, true);
/// <summary>
/// Gets an empty segment.
@ -95,7 +95,7 @@ namespace Spectre.Console.Composition
/// <returns>A new segment without any trailing line endings.</returns>
public Segment StripLineEndings()
{
return new Segment(Text.TrimEnd('\n'), Style);
return new Segment(Text.TrimEnd('\n').TrimEnd('\r'), Style);
}
/// <summary>

6
src/Spectre.Console/Composition/Widgets/Panel.cs
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@ -80,7 +80,7 @@ namespace Spectre.Console
new Segment(border.GetPart(BorderPart.HeaderTopLeft)),
new Segment(border.GetPart(BorderPart.HeaderTop, panelWidth)),
new Segment(border.GetPart(BorderPart.HeaderTopRight)),
new Segment("\n"),
Segment.LineBreak,
};
// Render the child.
@ -118,14 +118,14 @@ namespace Spectre.Console
}
result.Add(new Segment(border.GetPart(BorderPart.CellRight)));
result.Add(new Segment("\n"));
result.Add(Segment.LineBreak);
}
// Panel bottom
result.Add(new Segment(border.GetPart(BorderPart.FooterBottomLeft)));
result.Add(new Segment(border.GetPart(BorderPart.FooterBottom, panelWidth)));
result.Add(new Segment(border.GetPart(BorderPart.FooterBottomRight)));
result.Add(new Segment("\n"));
result.Add(Segment.LineBreak);
return result;
}

2
src/Spectre.Console/Composition/Widgets/Text.cs
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@ -92,7 +92,7 @@ namespace Spectre.Console
var justification = context.Justification ?? Alignment;
foreach (var (_, _, last, line) in lines.Enumerate())
{
var length = line.Sum(l => l.CellLength(context.Encoding));
var length = line.Sum(l => l.StripLineEndings().CellLength(context.Encoding));
if (length < maxWidth)
{
// Justify right side

5
src/Spectre.Console/Internal/Text/Cell.cs
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@ -70,6 +70,11 @@ namespace Spectre.Console.Internal
public static int GetCellLength(Encoding encoding, char rune)
{
if (rune == '\r' || rune == '\n')
{
return 0;
}
// Is it represented by a single byte?
// In that case we don't have to calculate the
// actual cell width.