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set syntax highlighting limit to 512KB

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This commit is contained in:
Paddy Xu
2021-07-06 21:19:52 +02:00
parent 4a476aff4b
commit cbaf636173
1 changed files with 5 additions and 4 deletions
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9
QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
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@@ -144,12 +144,13 @@ namespace QuickLook.Plugin.TextViewer
Task.Run(() => Task.Run(() =>
{ {
const int maxLength = 5 * 1024 * 1024; const int maxLength = 5 * 1024 * 1024;
const int maxHighlightingLength = (int) (0.5 * 1024 * 1024);
var buffer = new MemoryStream(); var buffer = new MemoryStream();
bool tooLong; bool fileTooLong;
using (var s = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) using (var s = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{ {
tooLong = s.Length > maxLength; fileTooLong = s.Length > maxLength;
while (s.Position < s.Length && buffer.Length < maxLength) while (s.Position < s.Length && buffer.Length < maxLength)
{ {
if (_disposed) if (_disposed)
@@ -164,7 +165,7 @@ namespace QuickLook.Plugin.TextViewer
if (_disposed) if (_disposed)
return; return;
if (tooLong) if (fileTooLong)
_context.Title += " (0 ~ 5MB)"; _context.Title += " (0 ~ 5MB)";
var bufferCopy = buffer.ToArray(); var bufferCopy = buffer.ToArray();
@@ -182,7 +183,7 @@ namespace QuickLook.Plugin.TextViewer
Dispatcher.BeginInvoke(new Action(() => Dispatcher.BeginInvoke(new Action(() =>
{ {
Encoding = encoding; Encoding = encoding;
SyntaxHighlighting = tooLong SyntaxHighlighting = bufferCopy.Length > maxHighlightingLength
? null ? null
: HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(path)); : HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(path));
Document = doc; Document = doc;