public string GetDifferences(string first, string second)
{
DiffEngine engine = new DiffEngine();
DiffListHtml source = new DiffListHtml(StringUtil.RemoveTags(first));
DiffListHtml destination = new DiffListHtml(StringUtil.RemoveTags(second));
engine.ProcessDiff(source, destination, DiffEngineLevel.SlowPerfect);
StringBuilder builder = new StringBuilder();
foreach (DiffResultSpan span in engine.DiffReport())
{
if (span != null)
{
switch (span.Status)
{
case DiffResultSpanStatus.NoChange:
this.Append(builder, first, span.SourceIndex, span.Length);
break;
case DiffResultSpanStatus.Replace:
this.Append(
builder,
first,
span.SourceIndex,
span.Length,
"green");
this.Append(
builder,
second,
span.DestIndex,
span.Length,
"red;text-decoration:line-through;font-weight:bold");
break;
case DiffResultSpanStatus.DeleteSource:
this.Append(
builder,
first,
span.SourceIndex,
span.Length,
"green;font-weight:bold");
break;
case DiffResultSpanStatus.AddDestination:
this.Append(
builder,
second,
span.DestIndex,
span.Length,
"red;text-decoration:line-through;font-weight:bold");
break;
}
}
}
return(builder.ToString());
}
// Sitecore.Text.Diff.View.TwoCoumnsDiffView
protected static void Compare(ref string value1, ref string value2)
{
DiffEngine diffEngine = new DiffEngine();
string value3 = value1;
string value4 = value2;
value1 = StringUtil.RemoveTags(value1);
value2 = StringUtil.RemoveTags(value2);
DiffListHtml source = new DiffListHtml(value1);
DiffListHtml destination = new DiffListHtml(value2);
diffEngine.ProcessDiff(source, destination, DiffEngineLevel.SlowPerfect);
System.Collections.ArrayList arrayList = diffEngine.DiffReport();
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder();
System.Text.StringBuilder stringBuilder2 = new System.Text.StringBuilder();
for (int i = 0; i < arrayList.Count; i++)
{
DiffResultSpan diffResultSpan = arrayList[i] as DiffResultSpan;
if (diffResultSpan != null)
{
switch (diffResultSpan.Status)
{
case DiffResultSpanStatus.NoChange:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length);
Append(stringBuilder2, value2, diffResultSpan.DestIndex, diffResultSpan.Length);
break;
case DiffResultSpanStatus.Replace:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length, "blue;font-weight:bold");
Append(stringBuilder2, value2, diffResultSpan.DestIndex, diffResultSpan.Length, "blue;font-weight:bold");
break;
case DiffResultSpanStatus.DeleteSource:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length, "blue;font-weight:bold");
Append(stringBuilder2, value2, diffResultSpan.DestIndex, diffResultSpan.Length, "blue;font-weight:bold");
break;
case DiffResultSpanStatus.AddDestination:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length, "blue;font-weight:bold");
Append(stringBuilder2, value2, diffResultSpan.DestIndex, diffResultSpan.Length, "blue;font-weight:bold");
break;
}
}
}
if (arrayList.Count == 0 && (value3.Contains("<image") || value4.Contains("<image") || value3.Contains("<link") || value4.Contains("<link")))
{
stringBuilder.Append("<span>" + value3.Replace("<image", "< image").Replace("<link", "< link") + "</span>");
stringBuilder2.Append("<span>" + value4.Replace("<image", "< image").Replace("<link", "< link") + "</span>");
}
value1 = stringBuilder.ToString();
value2 = stringBuilder2.ToString();
}
protected static string Compare(string value1, string value2)
{
DiffEngine diffEngine = new DiffEngine();
value1 = StringUtil.RemoveTags(value1);
value2 = StringUtil.RemoveTags(value2);
DiffListHtml source = new DiffListHtml(value1);
DiffListHtml destination = new DiffListHtml(value2);
diffEngine.ProcessDiff(source, destination, DiffEngineLevel.SlowPerfect);
System.Collections.ArrayList arrayList = diffEngine.DiffReport();
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder();
for (int i = 0; i < arrayList.Count; i++)
{
DiffResultSpan diffResultSpan = arrayList[i] as DiffResultSpan;
if (diffResultSpan != null)
{
switch (diffResultSpan.Status)
{
case DiffResultSpanStatus.NoChange:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length);
break;
case DiffResultSpanStatus.Replace:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length, "green");
Append(stringBuilder, value2, diffResultSpan.DestIndex, diffResultSpan.Length, "red; text-decoration:line-through;font-weight:bold");
break;
case DiffResultSpanStatus.DeleteSource:
Append(stringBuilder, value1, diffResultSpan.SourceIndex, diffResultSpan.Length, "green;font-weight:bold");
break;
case DiffResultSpanStatus.AddDestination:
Append(stringBuilder, value2, diffResultSpan.DestIndex, diffResultSpan.Length, "red; text-decoration:line-through;font-weight:bold");
break;
}
}
}
return(stringBuilder.ToString());
}
