RedWizardsLab/EchoHub
1
0
Fork 0
mirror of https://github.com/RedWizardsLab/EchoHub.git synced 2026-09-04 08:36:11 +02:00
Code Issues 2 Packages Projects Releases 10 Wiki Activity

feat: implement data migration service to convert ANSI escape codes to printable color tags

Browse Source
This commit is contained in:
HueByte
2026-02-19 18:57:57 +01:00
parent 8dfb1a4fb8
commit d9a66749e7
3 changed files with 100 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/EchoHub.Client/UI/ChatRenderer.cs
+19 -51
View File
@@ -90,22 +90,17 @@ public partial class ChatLine
}
/// <summary>
/// Returns true if a line contains color tags (new format or legacy ANSI).
/// Returns true if a line contains printable color tags.
/// </summary>
public static bool HasColorTags(string text) =>
text.Contains("{F:") || text.Contains("{B:") || text.Contains("{X}") || text.Contains('\x1b');
text.Contains("{F:") || text.Contains("{B:") || text.Contains("{X}");
/// <summary>
/// Parse a string containing color tags into colored segments.
/// Supports the new printable format ({F:RRGGBB}, {B:RRGGBB}, {X})
/// and legacy ANSI format (\x1b[38;2;R;G;Bm, \x1b[48;2;R;G;Bm, \x1b[0m).
/// Parse a string containing printable color tags into colored segments.
/// Format: {F:RRGGBB} (foreground), {B:RRGGBB} (background), {X} (reset).
/// </summary>
public static ChatLine FromColoredText(string text, Attribute? defaultAttr = null)
{
// Detect which format is used and pick the right regex
var regex = text.Contains('\x1b') ? AnsiColorRegex() : ColorTagRegex();
bool isAnsi = text.Contains('\x1b');
var segments = new List<ChatSegment>();
int lastIndex = 0;
Color? currentFg = null;
@@ -121,7 +116,7 @@ public partial class ChatLine
return new Attribute(fg, bg);
}
foreach (Match match in regex.Matches(text))
foreach (Match match in ColorTagRegex().Matches(text))
{
if (match.Index > lastIndex)
{
@@ -130,45 +125,22 @@ public partial class ChatLine
segments.Add(new ChatSegment(t, BuildAttr()));
}
if (isAnsi)
if (match.Groups[1].Success)
{
// Legacy ANSI format
if (match.Groups[1].Value == "0")
{
currentFg = null;
currentBg = null;
}
else if (match.Groups[2].Success)
{
var r = int.Parse(match.Groups[3].Value);
var g = int.Parse(match.Groups[4].Value);
var b = int.Parse(match.Groups[5].Value);
if (match.Groups[2].Value == "38;2")
currentFg = new Color(r, g, b);
else
currentBg = new Color(r, g, b);
}
// Reset {X}
currentFg = null;
currentBg = null;
}
else
else if (match.Groups[2].Success)
{
// New printable tag format: {F:RRGGBB}, {B:RRGGBB}, {X}
if (match.Groups[6].Success)
{
// Reset {X}
currentFg = null;
currentBg = null;
}
else if (match.Groups[7].Success)
{
var hex = match.Groups[8].Value;
var r = Convert.ToInt32(hex[..2], 16);
var g = Convert.ToInt32(hex[2..4], 16);
var b = Convert.ToInt32(hex[4..6], 16);
if (match.Groups[7].Value == "F")
currentFg = new Color(r, g, b);
else
currentBg = new Color(r, g, b);
}
var hex = match.Groups[3].Value;
var r = Convert.ToInt32(hex[..2], 16);
var g = Convert.ToInt32(hex[2..4], 16);
var b = Convert.ToInt32(hex[4..6], 16);
if (match.Groups[2].Value == "F")
currentFg = new Color(r, g, b);
else
currentBg = new Color(r, g, b);
}
lastIndex = match.Index + match.Length;
@@ -184,11 +156,7 @@ public partial class ChatLine
return segments.Count > 0 ? new ChatLine(segments) : new ChatLine("");
}
// Legacy: \x1b[0m, \x1b[38;2;R;G;Bm, \x1b[48;2;R;G;Bm
[GeneratedRegex(@"\x1b\[(?:(0)|(?:(38;2|48;2);(\d{1,3});(\d{1,3});(\d{1,3})))m")]
private static partial Regex AnsiColorRegex();
// New: {X} (reset), {F:RRGGBB} (foreground), {B:RRGGBB} (background)
// {X} (reset), {F:RRGGBB} (foreground), {B:RRGGBB} (background)
[GeneratedRegex(@"\{(?:(X)|(?:(F|B):([0-9A-Fa-f]{6})))\}")]
private static partial Regex ColorTagRegex();
}