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replace old Ude lib with new library

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This commit is contained in:
Paddy Xu
2017-07-23 20:18:27 +03:00
parent 7b6fa41baf
commit 78fe8d2558
5 changed files with 21 additions and 383 deletions
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28
QuickLook.Plugin/QuickLook.Plugin.TextViewer/Plugin.cs
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@@ -18,6 +18,7 @@
using System.IO;
using System.Windows;
using ICSharpCode.AvalonEdit.Highlighting;
using UtfUnknown;
namespace QuickLook.Plugin.TextViewer
{
@@ -39,26 +40,21 @@ namespace QuickLook.Plugin.TextViewer
const long MAX_SIZE = 20 * 1024 * 1024;
// if there is a possible highlighting scheme (by file extension), treat it as a plain text file
if (Path.GetExtension(path).ToLower() == ".txt")
return new FileInfo(path).Length <= MAX_SIZE;
// if there is a matched highlighting scheme (by file extension), treat it as a plain text file
if (HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(path)) != null)
return new FileInfo(path).Length <= MAX_SIZE;
// otherwise, read the first 512 bytes as string (StreamReader handles encoding automatically),
// check whether they are all printable chars.
using (var sr = new StreamReader(new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
// otherwise, read the first 10KB, check if we can get something.
using (var s = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var buffer = new char[512];
var len = sr.Read(buffer, 0, 512);
const int bufferLength = 10 * 1024;
var buffer = new byte[bufferLength];
s.Read(buffer, 0, bufferLength);
for (var i = 0; i < len; i++)
{
if (!char.IsControl(buffer[i])) continue;
if (buffer[i] != '\r' && buffer[i] != '\n' && buffer[i] != '\t')
return false;
}
return new FileInfo(path).Length <= MAX_SIZE;
return CharsetDetector.DetectFromBytes(buffer).Detected != null && s.Length <= MAX_SIZE;
}
}
@@ -80,7 +76,7 @@ namespace QuickLook.Plugin.TextViewer
public void Cleanup()
{
_tvp = null;
_tvp.viewer = null;
}
}
}