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Merge segments before rendering

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This will reduce the number of segments to render
and produce cleaner ANSI escape code sequences.

Closes #46
This commit is contained in:
Patrik Svensson
2020-08-30 12:33:49 +02:00
committed by Patrik Svensson
parent 47fd646d21
commit 7fd2efaeb5
4 changed files with 42 additions and 5 deletions
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37
src/Spectre.Console/Rendering/Segment.cs
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@ -16,7 +16,7 @@ namespace Spectre.Console.Rendering
/// <summary>
/// Gets the segment text.
/// </summary>
public string Text { get; }
public string Text { get; internal set; }
/// <summary>
/// Gets a value indicating whether or not this is an expicit line break
@ -226,6 +226,41 @@ namespace Spectre.Console.Rendering
return lines;
}
internal static IEnumerable<Segment> Merge(IEnumerable<Segment> segments)
{
var result = new List<Segment>();
var previous = (Segment?)null;
foreach (var segment in segments)
{
if (previous == null)
{
previous = segment;
continue;
}
// Same style?
if (previous.Style.Equals(segment.Style))
{
// Modify the content of the previous segment
previous.Text += segment.Text;
}
else
{
// Push the current one to the results.
result.Add(previous);
previous = segment;
}
}
if (previous != null)
{
result.Add(previous);
}
return result;
}
internal static List<List<SegmentLine>> MakeSameHeight(int cellHeight, List<List<SegmentLine>> cells)
{
foreach (var cell in cells)