string PrepareDifAsync(string before, string after)
{
var sb = new StringBuilder();
var diff = _inlineDiffBuilder.BuildDiffModel(before, after);
foreach (var line in diff.Lines)
{
switch (line.Type)
{
case ChangeType.Inserted:
sb.Append("<div class=\"inserted-line\">");
sb.Append(line.Text);
sb.Append("</div>");
break;
case ChangeType.Deleted:
sb.Append("<div class=\"deleted-line\">");
sb.Append(line.Text);
sb.Append("</div>");
break;
case ChangeType.Imaginary:
sb.Append("<div class=\"imaginary-line\">");
sb.Append(line.Text);
sb.Append("</div>");
break;
case ChangeType.Modified:
foreach (var character in line.SubPieces)
{
if (character.Type == ChangeType.Imaginary)
{
continue;
}
sb.Append("<span class=\"")
.Append(character.Type.ToString().ToLower())
.Append("-character\">")
.Append(character.Text)
.Append("</span>");
}
break;
default:
sb.Append(line.Text);
break;
}
}
return(sb.ToString());
}
public void Compare()
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
var compareModel = diffBuilder.BuildDiffModel(this._oldText, this._newText);
TimeSpan ts = stopWatch.Elapsed;
// Format and display the TimeSpan value.
string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",
ts.Hours, ts.Minutes, ts.Seconds,
ts.Milliseconds / 10);
/* for (int i = 0; i < compareModel.NewText.Lines.Count; i++)
* {
* if (compareModel.NewText.Lines[i].Type == DiffPlex.DiffBuilder.Model.ChangeType.Deleted)
* {
* compareModel.NewText.Lines[i].Text = "<span class=\"del diff\">" + compareModel.NewText.Lines[i].Text + "</span>";
* }
* else if (compareModel.NewText.Lines[i].Type == DiffPlex.DiffBuilder.Model.ChangeType.Inserted)
* {
* compareModel.NewText.Lines[i].Text = "<span class=\"ins diff\">" + compareModel.NewText.Lines[i].Text + "</span>";
* }
* else if (compareModel.NewText.Lines[i].Type == DiffPlex.DiffBuilder.Model.ChangeType.Modified)
* {
* compareModel.NewText.Lines[i].Text = "<span class=\"mod diff\">" + compareModel.NewText.Lines[i].Text + "</span>";
* }
* }*/
var htmlTextSplitted = this._originalHtml.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
for (int i = compareModel.Lines.Count - 1; i >= 0; i--)
{
try
{
var currentLine = compareModel.Lines[i];
if (currentLine.Type == DiffPlex.DiffBuilder.Model.ChangeType.Inserted)
{
htmlTextSplitted[i] = "<span class=\"ins diff\">" + htmlTextSplitted[i] + "</span>";
}
else if (currentLine.Type == DiffPlex.DiffBuilder.Model.ChangeType.Deleted)
{
htmlTextSplitted[i] = "<span class=\"del diff\">" + htmlTextSplitted[i] + "</span>";
}
else if (currentLine.Type == DiffPlex.DiffBuilder.Model.ChangeType.Modified)
{
htmlTextSplitted[i] = "<span class=\"mod diff\">" + htmlTextSplitted[i] + "</span>";
}
}
catch (Exception)
{
continue;
}
}
// var changedCompareLines = compareModel.Lines.Where(l => l.Type != DiffPlex.DiffBuilder.Model.ChangeType.Unchanged).Select(l.);
/* foreach (var line in changedCompareLines)
* {
* if (line.Type == DiffPlex.DiffBuilder.Model.ChangeType.Deleted)
* {
* line.Text = "<span class=\"del\">" + line.Text + "</span>";
* }
* else if (line.Type == DiffPlex.DiffBuilder.Model.ChangeType.Inserted)
* {
* line.Text = "<span class=\"ins\">" + line.Text + "</span>";
* }
* }*/
// this._html = String.Join("", compareModel.Lines.Select(l => l.Text));
// this._html = String.Join("", compareModel.NewText.Lines.Select(l => l.Text));
this._html = String.Join(Environment.NewLine, htmlTextSplitted);
this._diffCount = compareModel.Lines.Where(l => l.Type != DiffPlex.DiffBuilder.Model.ChangeType.Unchanged && l.Type != DiffPlex.DiffBuilder.Model.ChangeType.Imaginary).Count();
/* HtmlDiff.HtmlDiff diffHelper = new HtmlDiff.HtmlDiff(this._oldXml, this._newXml);
* //this._html = diffHelper.Build();
*
* this._html = Regex.Replace(diffHelper.Build(), @"<diff class='ins'>(\s*)</diff>", "");
*
* string pattern = @"<diff ";
* Regex rgx = new Regex(pattern);
* this._diffCount = rgx.Matches(this.Html).Count;*/
}