internal static ContentView Create(object content, TextSpanFormatter formatter)
{
if (content == null)
{
return(new ContentView(TextSpan.Empty()));
}
return(CreateView((dynamic)content, formatter));
}
public void When_formatting_null_values_then_empty_span_is_returned()
{
var formatter = new TextSpanFormatter();
var span = formatter.Format(null);
span.Should().Be(TextSpan.Empty());
}
private void Render(TextSpan span, Region region = null)
{
if (span == null)
{
span = TextSpan.Empty();
}
else if (_resetAfterRender)
{
span = new ContainerSpan(
span,
ForegroundColorSpan.Reset(),
BackgroundColorSpan.Reset());
}
if (_mode == OutputMode.Auto)
{
_mode = _terminal?.DetectOutputMode() ??
OutputMode.PlainText;
}
TextSpanVisitor visitor;
switch (_mode)
{
case OutputMode.NonAnsi:
visitor = new NonAnsiRenderingSpanVisitor(
_terminal,
region);
break;
case OutputMode.Ansi:
visitor = new AnsiRenderingSpanVisitor(
_console,
region);
break;
case OutputMode.PlainText:
visitor = new FileRenderingSpanVisitor(
_console.Out,
new Region(region.Left,
region.Top,
region.Width,
region.Height,
false));
break;
default:
throw new NotSupportedException();
}
visitor.Visit(span);
}
public void Empty_strings_are_returned_as_empty_spans()
{
var formatter = new TextSpanFormatter();
var span = formatter.ParseToSpan(
$"{Ansi.Color.Foreground.Red}normal{Ansi.Color.Foreground.Default:a}"
);
var containerSpan = span.Should().BeOfType <ContainerSpan>().Subject;
containerSpan
.Should()
.BeEquivalentTo(
new ContainerSpan(
TextSpan.Empty(),
new ContentSpan("normal"),
TextSpan.Empty()
),
options =>
options.WithStrictOrdering().Excluding(s => s.Parent).Excluding(s => s.Root)
);
}
public override void Render(ConsoleRenderer renderer, Region region)
{
Size[,] sizes = GetGridSizes(renderer, new Size(region.Width, region.Height));
int top = region.Top;
for (int row = 0; row < _rows.Count; row++)
{
int left = region.Left;
int maxRowHeight = 0;
for (int column = 0; column < _columns.Count; column++)
{
var paddingWidth = GetColumnPaddingWidth(column);
if (ChildLocations[column, row] is not {
} child ||
sizes[column, row].Width - paddingWidth <= 0 ||
sizes[column, row].Height <= 0)
{
//child no view or no space left to render
continue;
}
var contentSize = new Size(sizes[column, row].Width - paddingWidth, sizes[column, row].Height);
child.Render(renderer, new Region(left, top, contentSize));
if (paddingWidth > 0)
{
// Explicit render the space between the columns to improve rendering in plain text
var paddingSize = new Size(paddingWidth, sizes[column, row].Height);
renderer.RenderToRegion(TextSpan.Empty(), new Region(left + contentSize.Width, top, paddingSize));
}
left += sizes[column, row].Width;
maxRowHeight = Math.Max(maxRowHeight, sizes[column, row].Height);
}
top += maxRowHeight;
}
}
