private void InterlineDiff(LineDiffInfo baseLineInfo, LineDiffInfo diffLineInfo, bool ignoreWhiteSpaces = false)
{
string result;
using (var diff = new Process())
{
var diffArgs = "";
if (!string.IsNullOrEmpty(_diffArgsBase))
diffArgs = _diffArgsBase + " " + diffArgs;
if (ignoreWhiteSpaces && !string.IsNullOrEmpty(_diffArgsIgnoreWhiteSpace))
diffArgs += " " + _diffArgsIgnoreWhiteSpace;
diffArgs += " " + baseLineInfo.TempFileName + " " + diffLineInfo.TempFileName;
diff.StartInfo.WindowStyle = ProcessWindowStyle.Minimized;
diff.StartInfo.UseShellExecute = false;
diff.StartInfo.RedirectStandardError = true;
diff.StartInfo.RedirectStandardOutput = true;
diff.StartInfo.CreateNoWindow = true;
diff.StartInfo.FileName = _diffExe;
diff.StartInfo.Arguments = diffArgs;
diff.Start();
string stderr;
result = CommonUtils.ReadProcessOutput(diff, false, out stderr);
}
var lines = result.Replace("\r", "").Replace("> ", "").Replace("< ", "").Split(new char[] { '\n' });
var diffInfos = DiffInfo.Parse(lines);
foreach (var diffInfo in diffInfos)
{
// reset diffType to before change
baseLineInfo.Add(DiffType.None);
diffLineInfo.Add(DiffType.None);
// Add lines before diffInfo starts
while (!baseLineInfo.Done &&
(diffInfo == null || baseLineInfo.Position < diffInfo.baseLine - 1))
{
baseLineInfo.Next();
}
while (!diffLineInfo.Done &&
(diffInfo == null || diffLineInfo.Position < diffInfo.diffLine - 1))
{
diffLineInfo.Next();
}
// start diffType
switch (diffInfo.diffType)
{
case DiffType.Deleted: // left line
baseLineInfo.Add(diffInfo.diffType);
break;
case DiffType.Added: // right line
diffLineInfo.Add(diffInfo.diffType);
break;
case DiffType.Changed: // left line
baseLineInfo.Add(diffInfo.diffType);
diffLineInfo.Add(diffInfo.diffType);
break;
default:
throw new Exception(string.Format("Unknown diff prefix: {0}", diffInfo.baseLine));
}
// Add lines in diffInfo range
while (!baseLineInfo.Done &&
(diffInfo == null || baseLineInfo.Position < diffInfo.baseLineEnd))
{
baseLineInfo.Next();
}
while (!diffLineInfo.Done &&
(diffInfo == null || diffLineInfo.Position < diffInfo.diffLineEnd))
{
diffLineInfo.Next();
}
}
baseLineInfo.AddLast();
diffLineInfo.AddLast();
}
private void InterlineDiff(HtmlTableRowGroup rowGroup, bool ignoreWhiteSpaces)
{
var baseLineInfo = new LineDiffInfo(rowGroup);
var diffLineInfo = new LineDiffInfo(rowGroup, baseLineInfo);
InterlineDiff(baseLineInfo, diffLineInfo, ignoreWhiteSpaces);
UnPackDiffedLine(rowGroup, baseLineInfo.Lines, diffLineInfo.Lines);
baseLineInfo.Dispose();
diffLineInfo.Dispose();
}
public LineDiffInfo(HtmlTableRowGroup rowGroup, LineDiffInfo baseInfo = null)
{
BaseInfo = baseInfo ?? this;
BaseMode = baseInfo == null;
var charsList = new List<string>();
foreach (var item in rowGroup.Lines)
{
var line = BaseMode ? item.Left.Code : item.Right.Code;
line = line ?? "";
var lineEscapes = UnEncodeLine(ref line);
Escapes.Add(lineEscapes);
Chars += line;
var chars = line.ToCharArray();
charsList.AddRange(chars.Select(ch => ch.ToString(CultureInfo.InvariantCulture)));
LinePositions.Add(line.Length);
}
Length = Chars.Length;
File.WriteAllLines(TempFileName, charsList);
}
