private void PerformOperation(DiffOperation operation)
{
switch (operation.Action)
{
case DiffAction.equal:
this.ProcessEqualOperation(operation);
break;
case DiffAction.delete:
this.ProcessDeleteOperation(operation, "diffdel");
break;
case DiffAction.insert:
this.ProcessInsertOperation(operation, "diffins");
break;
case DiffAction.none:
break;
case DiffAction.replace:
this.ProcessReplaceOperation(operation);
break;
default:
break;
}
}
private void ProcessEqualOperation(DiffOperation operation)
{
var result = this.newWords.Where((s, pos) => pos >= operation.StartInNew && pos < operation.EndInNew).ToArray();
this.content.Append(String.Join("", result));
}
private void ProcessDeleteOperation(DiffOperation operation, string cssClass)
{
var text = this.oldWords.Where((s, pos) => pos >= operation.StartInOld && pos < operation.EndInOld).ToList();
this.InsertTag("del", cssClass, text);
}
private void ProcessInsertOperation(DiffOperation operation, string cssClass)
{
this.InsertTag("ins", cssClass, this.newWords.Where((s, pos) => pos >= operation.StartInNew && pos < operation.EndInNew).ToList());
}
private void ProcessReplaceOperation(DiffOperation operation)
{
this.ProcessDeleteOperation(operation, "diffmod");
this.ProcessInsertOperation(operation, "diffmod");
}