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Use format detector feature for TextViewer
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This commit is contained in:
ema
2025-06-19 16:38:27 +08:00
parent a580926059
commit efc83b0669
10 changed files with 496 additions and 218 deletions
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143
QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
View File

@@ -16,20 +16,14 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using ICSharpCode.AvalonEdit;
using ICSharpCode.AvalonEdit.Highlighting;
using ICSharpCode.AvalonEdit.Highlighting.Xshd;
using QuickLook.Common.Helpers;
using QuickLook.Common.Plugin;
using QuickLook.Plugin.TextViewer.Themes;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Xml;
namespace QuickLook.Plugin.TextViewer;
@@ -37,9 +31,6 @@ public class Plugin : IViewer
{
private TextViewerPanel _tvp;
private static HighlightingManager _hlmLight;
private static HighlightingManager _hlmDark;
public int Priority => -5;
public void Init()
@@ -47,9 +38,7 @@ public class Plugin : IViewer
// pre-load
var _ = new TextEditor();
InitHighlightingManager();
AddHighlightingManager(_hlmLight, "Light");
AddHighlightingManager(_hlmDark, "Dark");
HighlightingThemeManager.Initialize();
// Implementation of the Search Panel Styled with Fluent Theme
{
@@ -71,7 +60,7 @@ public class Plugin : IViewer
if (Directory.Exists(path))
return false;
if (new[] { ".txt", ".rtf" }.Any(path.ToLower().EndsWith))
if (new[] { ".txt", ".rtf" }.Any(ext => path.EndsWith(ext, StringComparison.OrdinalIgnoreCase)))
return true;
// if there is a matched highlighting scheme (by file extension), treat it as a plain text file
@@ -94,7 +83,7 @@ public class Plugin : IViewer
public void View(string path, ContextObject context)
{
if (path.ToLower().EndsWith(".rtf"))
if (path.EndsWith(".rtf", StringComparison.OrdinalIgnoreCase))
{
var rtfBox = new RichTextBox();
FileStream fs = File.OpenRead(path);
@@ -108,9 +97,8 @@ public class Plugin : IViewer
}
else
{
_tvp = new TextViewerPanel(path, context);
AssignHighlightingManager(path, _tvp, context);
_tvp = new TextViewerPanel();
_tvp.LoadFileAsync(path, context);
context.ViewerContent = _tvp;
}
context.Title = $"{Path.GetFileName(path)}";
@@ -130,123 +118,4 @@ public class Plugin : IViewer
return true;
}
private void AddHighlightingManager(HighlightingManager hlm, string dirName)
{
var assemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
if (string.IsNullOrEmpty(assemblyPath))
return;
var syntaxPath = Path.Combine(assemblyPath, "Syntax", dirName);
if (!Directory.Exists(syntaxPath))
return;
foreach (var file in Directory.EnumerateFiles(syntaxPath, "*.xshd").OrderBy(f => f))
{
try
{
Debug.WriteLine(file);
var ext = Path.GetFileNameWithoutExtension(file);
using Stream s = File.OpenRead(Path.GetFullPath(file));
using var reader = new XmlTextReader(s);
var xshd = HighlightingLoader.LoadXshd(reader);
var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
if (xshd.Extensions.Count > 0)
hlm.RegisterHighlighting(ext, [.. xshd.Extensions], highlightingDefinition);
}
catch (Exception e)
{
ProcessHelper.WriteLog(e.ToString());
}
}
}
private void InitHighlightingManager()
{
_hlmLight = new HighlightingManager();
_hlmDark = new HighlightingManager();
Assembly assembly = Assembly.GetExecutingAssembly();
string[] resourceNames = assembly.GetManifestResourceNames();
foreach (var resourceName in resourceNames.Where(name => name.Contains(".Syntax.")))
{
using Stream s = assembly.GetManifestResourceStream(resourceName);
if (s == null)
continue;
Debug.WriteLine(resourceName);
try
{
var hlm = resourceName.Contains(".Syntax.Dark.") ? _hlmDark : _hlmLight;
var name = EmbeddedResource.GetFileNameWithoutExtension(resourceName);
using var reader = new XmlTextReader(s);
var xshd = HighlightingLoader.LoadXshd(reader);
var highlightingDefinition = HighlightingLoader.Load(xshd, hlm);
if (xshd.Extensions.Count > 0)
hlm.RegisterHighlighting(name, [.. xshd.Extensions], highlightingDefinition);
}
catch (Exception e)
{
ProcessHelper.WriteLog(e.ToString());
}
}
}
private void AssignHighlightingManager(string path, TextViewerPanel tvp, ContextObject context)
{
var def = _hlmDark.GetDefinitionByExtension(Path.GetExtension(path));
var darkThemeAllowed = SettingHelper.Get("AllowDarkTheme", def != null, "QuickLook.Plugin.TextViewer");
var isDark = darkThemeAllowed && OSThemeHelper.AppsUseDarkTheme();
tvp.HighlightingManager = isDark ? _hlmDark : _hlmLight;
if (isDark)
{
tvp.Background = Brushes.Transparent;
tvp.SetResourceReference(Control.ForegroundProperty, "WindowTextForeground");
}
else
{
// if os dark mode, but not AllowDarkTheme, make background light
tvp.Background = OSThemeHelper.AppsUseDarkTheme()
? new SolidColorBrush(Color.FromArgb(175, 255, 255, 255))
: Brushes.Transparent;
}
}
}
file static class EmbeddedResource
{
public static string GetFileNameWithoutExtension(string resourceName)
{
// Requires the embedded resource file name
// must have a file extension and have only one '.' character
int start = int.MinValue, end = int.MinValue;
for (int i = resourceName.Length - 1; i >= 0; i--)
{
if (resourceName[i] == '.')
{
if (end == int.MinValue)
{
end = i;
continue;
}
if (start == int.MinValue)
{
start = i + 1; // Exinclude '.' character
break;
}
}
}
if ((start != int.MinValue) && (end != int.MinValue))
{
return resourceName.Substring(start, end - start);
}
return resourceName;
}
}