public ITextSource Create(FileName fileName)
{
try {
foreach (FileName name in viewContentFileNamesCollection)
{
if (FileUtility.IsEqualFileName(name, fileName))
{
ITextSource buffer = SD.MainThread.InvokeIfRequired(() => ReadFile(fileName));
if (buffer != null)
{
return(buffer);
}
}
}
using (Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read)) {
if (MimeTypeDetection.FindMimeType(stream).StartsWith("text/", StringComparison.Ordinal))
{
stream.Position = 0;
return(new StringTextSource(ICSharpCode.AvalonEdit.Utils.FileReader.ReadFileContent(stream, SD.FileService.DefaultFileEncoding)));
}
}
return(null);
} catch (IOException) {
return(null);
} catch (UnauthorizedAccessException) {
return(null);
}
}
public ITextBuffer Create(FileName fileName)
{
try {
foreach (FileName name in viewContentFileNamesCollection)
{
if (FileUtility.IsEqualFileName(name, fileName))
{
ITextBuffer buffer = WorkbenchSingleton.SafeThreadFunction(ReadFile, fileName);
if (buffer != null)
{
return(buffer);
}
}
}
using (Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read)) {
if (MimeTypeDetection.FindMimeType(stream).StartsWith("text/"))
{
stream.Position = 0;
return(new StringTextBuffer(ICSharpCode.AvalonEdit.Utils.FileReader.ReadFileContent(stream, Encoding.Default)));
}
}
return(null);
} catch (IOException) {
return(null);
} catch (UnauthorizedAccessException) {
return(null);
}
}
public IViewContent CreateContentForFile(OpenedFile file)
{
var codons = SD.DisplayBindingService.GetCodonsPerFileName(file.FileName);
DisplayBindingDescriptor bestMatch = null;
double max = double.NegativeInfinity;
const int BUFFER_LENGTH = 4 * 1024;
using (var stream = file.OpenRead()) {
string mime = "text/plain";
if (stream.Length > 0)
{
stream.Position = 0;
mime = MimeTypeDetection.FindMimeType(new BinaryReader(stream).ReadBytes(BUFFER_LENGTH));
}
foreach (var codon in codons)
{
stream.Position = 0;
double value = codon.Binding.AutoDetectFileContent(file.FileName, stream, mime);
if (value > max)
{
max = value;
bestMatch = codon;
}
}
}
if (bestMatch == null)
{
throw new InvalidOperationException();
}
return(bestMatch.Binding.CreateContentForFile(file));
}
void TestMime(byte[] bytes, string expectedMime)
{
Assert.AreEqual(expectedMime, MimeTypeDetection.FindMimeType(bytes));
}
