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Add method to get VT/ANSI codes for renderables

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This commit is contained in:
Patrik Svensson
2021-04-23 00:36:43 +02:00
committed by Phil Scott
parent 01f707c78d
commit cba02070f9
4 changed files with 77 additions and 40 deletions
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57
src/Spectre.Console/Internal/Backends/Ansi/AnsiBuilder.cs
View File

@@ -1,23 +1,60 @@
using System;
using System.Linq;
using System.Text;
using Spectre.Console.Rendering;
using static Spectre.Console.AnsiSequences;
namespace Spectre.Console
{
internal sealed class AnsiBuilder
internal static class AnsiBuilder
{
private readonly Profile _profile;
private readonly AnsiLinkHasher _linkHasher;
private static readonly AnsiLinkHasher _linkHasher;
public AnsiBuilder(Profile profile)
static AnsiBuilder()
{
_profile = profile ?? throw new ArgumentNullException(nameof(profile));
_linkHasher = new AnsiLinkHasher();
}
public string GetAnsi(string text, Style style)
public static string Build(IAnsiConsole console, IRenderable renderable)
{
if (style is null)
var builder = new StringBuilder();
foreach (var segment in renderable.GetSegments(console))
{
if (segment.IsControlCode)
{
builder.Append(segment.Text);
continue;
}
var parts = segment.Text.NormalizeNewLines().Split(new[] { '\n' });
foreach (var (_, _, last, part) in parts.Enumerate())
{
if (!string.IsNullOrEmpty(part))
{
builder.Append(Build(console.Profile, part, segment.Style));
}
if (!last)
{
builder.Append(Environment.NewLine);
}
}
}
return builder.ToString();
}
private static string Build(Profile profile, string text, Style style)
{
if (profile is null)
{
throw new ArgumentNullException(nameof(profile));
}
else if (text is null)
{
throw new ArgumentNullException(nameof(text));
}
else if (style is null)
{
throw new ArgumentNullException(nameof(style));
}
@@ -29,7 +66,7 @@ namespace Spectre.Console
{
codes = codes.Concat(
AnsiColorBuilder.GetAnsiCodes(
_profile.Capabilities.ColorSystem,
profile.Capabilities.ColorSystem,
style.Foreground,
true));
}
@@ -39,7 +76,7 @@ namespace Spectre.Console
{
codes = codes.Concat(
AnsiColorBuilder.GetAnsiCodes(
_profile.Capabilities.ColorSystem,
profile.Capabilities.ColorSystem,
style.Background,
false));
}
@@ -54,7 +91,7 @@ namespace Spectre.Console
? $"{SGR(result)}{text}{SGR(0)}"
: text;
if (style.Link != null && !_profile.Capabilities.Legacy)
if (style.Link != null && !profile.Capabilities.Legacy)
{
var link = style.Link;

32
src/Spectre.Console/Internal/Backends/Ansi/AnsiConsoleBackend.cs
View File

@@ -7,7 +7,6 @@ namespace Spectre.Console
{
internal sealed class AnsiConsoleBackend : IAnsiConsoleBackend
{
private readonly AnsiBuilder _builder;
private readonly IAnsiConsole _console;
public IAnsiConsoleCursor Cursor { get; }
@@ -15,8 +14,6 @@ namespace Spectre.Console
public AnsiConsoleBackend(IAnsiConsole console)
{
_console = console ?? throw new ArgumentNullException(nameof(console));
_builder = new AnsiBuilder(_console.Profile);
Cursor = new AnsiConsoleCursor(this);
}
@@ -33,33 +30,10 @@ namespace Spectre.Console
public void Write(IRenderable renderable)
{
var builder = new StringBuilder();
foreach (var segment in renderable.GetSegments(_console))
var result = AnsiBuilder.Build(_console, renderable);
if (result?.Length > 0)
{
if (segment.IsControlCode)
{
builder.Append(segment.Text);
continue;
}
var parts = segment.Text.NormalizeNewLines().Split(new[] { '\n' });
foreach (var (_, _, last, part) in parts.Enumerate())
{
if (!string.IsNullOrEmpty(part))
{
builder.Append(_builder.GetAnsi(part, segment.Style));
}
if (!last)
{
builder.Append(Environment.NewLine);
}
}
}
if (builder.Length > 0)
{
_console.Profile.Out.Writer.Write(builder.ToString());
_console.Profile.Out.Writer.Write(result);
_console.Profile.Out.Writer.Flush();
}
}