public static FileType FromStream(Stream stream, string extension)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (extension == null)
{
throw new ArgumentNullException("extension");
}
FileType fileType = ImageFileType.FromExtension(extension);
if (fileType != null)
{
return(fileType);
}
fileType = TextFileType.FromStream(stream, extension);
if (fileType != null)
{
return(fileType);
}
return(BinaryFileType);
}
private Stream BuildStream(Text text, TextFileType fileType)
{
var preamble = fileType.Encoding.GetPreamble();
var stream = new MemoryStream(text.Content.Length + preamble.Length);
var data = fileType.Encoding.GetBytes(text.Content);
stream.Write(preamble, 0, preamble.Length);
stream.Write(data, 0, data.Length);
stream.Position = 0;
return stream;
}
public void LoadStreams(IStream leftStream, FileType leftFileType, byte[] leftData, IStream rightStream, FileType rightFileType, byte[] rightData)
{
_unifiedViewer.SelectDetails(leftStream, leftFileType, rightStream, rightFileType);
_sideBySideViewer.SelectDetails(leftStream, leftFileType, rightStream, rightFileType);
_leftData = leftData;
_leftFileType = (TextFileType)leftFileType;
_rightData = rightData;
_rightFileType = (TextFileType)rightFileType;
int leftBomSize = _leftFileType != null ? _leftFileType.Encoding.GetPreamble().Length : 0;
int rightBomSize = _rightFileType != null ? _rightFileType.Encoding.GetPreamble().Length : 0;
_leftText = new Text(
_leftData == null
? String.Empty
: _leftFileType.Encoding.GetString(_leftData, leftBomSize, _leftData.Length - leftBomSize)
);
_rightText = new Text(
_rightData == null
? String.Empty
: _rightFileType.Encoding.GetString(_rightData, rightBomSize, _rightData.Length - rightBomSize)
);
LoadDiff();
}
