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copy buffer before showing

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This commit is contained in:
Paddy Xu
2018-03-06 20:27:39 +02:00
parent aba242d14c
commit 56b86ffb03
1 changed files with 9 additions and 3 deletions
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10
QuickLook.Plugin/QuickLook.Plugin.TextViewer/TextViewerPanel.cs
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@@ -98,9 +98,11 @@ namespace QuickLook.Plugin.TextViewer
{ {
const int maxLength = 50 * 1024 * 1024; const int maxLength = 50 * 1024 * 1024;
var buffer = new MemoryStream(); var buffer = new MemoryStream();
bool tooLong;
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;
while (s.Position < s.Length && buffer.Length < maxLength) while (s.Position < s.Length && buffer.Length < maxLength)
{ {
if (_disposed) if (_disposed)
@@ -115,12 +117,16 @@ namespace QuickLook.Plugin.TextViewer
if (_disposed) if (_disposed)
return; return;
if (tooLong)
_context.Title += " (0 ~ 50MB)"; _context.Title += " (0 ~ 50MB)";
var encoding = CharsetDetector.DetectFromBytes(buffer.GetBuffer()).Detected?.Encoding ?? var bufferCopy = buffer.ToArray();
buffer.Dispose();
var encoding = CharsetDetector.DetectFromBytes(bufferCopy).Detected?.Encoding ??
Encoding.Default; Encoding.Default;
var doc = new TextDocument(encoding.GetString(buffer.GetBuffer())); var doc = new TextDocument(encoding.GetString(bufferCopy));
doc.SetOwnerThread(Dispatcher.Thread); doc.SetOwnerThread(Dispatcher.Thread);
if (_disposed) if (_disposed)