internal static string DoSinglePageDiff(string SourceText, string DestinationText)
{
DiffResult DResult = Tools.Diff(SourceText, DestinationText);
int TotalDestLines = DResult.UnChanged.Count + DResult.Inserted.Count;
StringBuilder Result = new StringBuilder(@"{\rtf1{\colortbl ;\red50\green205\blue50;\red255\green165\blue0;}");
for (int i = 0; i < TotalDestLines; i++)
{
int LineNo = i + 1;
string LineNoString = GetLineNoString(LineNo);
if (DResult.UnChanged.Contains(LineNo))
{
Result.Append(LineNoString); Result.Append(Tools.RtfSafe(DResult.UnChangedSections[DResult.UnChanged.IndexOf(LineNo)])); Result.Append(@" \par ");
}
if (DResult.MissingAt.Contains(LineNo))
{
int Pointer = 0;
while ((Pointer = DResult.MissingAt.IndexOf(LineNo, Pointer)) > -1)
{
Result.Append(" "); Result.Append(@"\highlight2 "); Result.Append(Tools.RtfSafe(DResult.DeletedSections[Pointer])); Result.Append(@" \highlight0 \par ");
Pointer++;
}
}
if (DResult.Inserted.Contains(i + 1))
{
Result.Append(LineNoString); Result.Append(@"\highlight1 "); Result.Append(Tools.RtfSafe(DResult.InsertedSections[DResult.Inserted.IndexOf(LineNo)])); Result.Append(@" \highlight0 \par ");
}
}
return(Result.ToString());
}
internal static DiffResult GetDiff(Mathertel.Diff.Item[] Results, string Source, string Destination, char Splitter)
{
DiffResult DResult = new DiffResult();
int n = 0;
string[] aLines = Source.Split(Splitter);
string[] bLines = Destination.Split(Splitter);
foreach (Diff.Item Result in Results)
{
Diff.Item aItem = Result;
// write unchanged lines
while ((n < aItem.StartB) && (n < bLines.Length))
{
DResult.UnChanged.Add(n + 1);
DResult.UnChangedSections.Add(bLines[n]);
n++;
} // while
// write deleted lines
for (int m = 0; m < aItem.deletedA; m++)
{
DResult.Deleted.Add(aItem.StartA + m + 1);
DResult.MissingAt.Add(n + 1);
DResult.DeletedSections.Add(aLines[aItem.StartA + m]);
} // for
// write inserted lines
while (n < aItem.StartB + aItem.insertedB)
{
DResult.Inserted.Add(n + 1);
DResult.InsertedSections.Add(bLines[n]);
n++;
} // while
} // while
// write rest of unchanged lines
while (n < bLines.Length)
{
DResult.UnChanged.Add(n + 1);
DResult.UnChangedSections.Add(bLines[n]);
n++;
} // while
return(DResult);
}
internal static DiffResult GetDiff(Mathertel.Diff.Item[] Results, string Source, string Destination, char Splitter)
{
DiffResult DResult = new DiffResult();
int n = 0;
string[] aLines = Source.Split(Splitter);
string[] bLines = Destination.Split(Splitter);
foreach (Diff.Item Result in Results)
{
Diff.Item aItem = Result;
// write unchanged lines
while ((n < aItem.StartB) && (n < bLines.Length))
{
DResult.UnChanged.Add(n + 1);
DResult.UnChangedSections.Add(bLines[n]);
n++;
} // while
// write deleted lines
for (int m = 0; m < aItem.deletedA; m++)
{
DResult.Deleted.Add(aItem.StartA + m + 1);
DResult.MissingAt.Add(n + 1);
DResult.DeletedSections.Add(aLines[aItem.StartA + m]);
} // for
// write inserted lines
while (n < aItem.StartB + aItem.insertedB)
{
DResult.Inserted.Add(n + 1);
DResult.InsertedSections.Add(bLines[n]);
n++;
} // while
} // while
// write rest of unchanged lines
while (n < bLines.Length)
{
DResult.UnChanged.Add(n + 1);
DResult.UnChangedSections.Add(bLines[n]);
n++;
} // while
return DResult;
}
public static DiffResult DiffLine(string Source, string Destination)
{
Mathertel.Diff.Item[] Results = Mathertel.Diff.DiffText(Source.Replace(' ', '\n'), Destination.Replace(' ', '\n'), false, false, false);
return(DiffResult.GetLineDiff(Results, Source, Destination));
}
public static DiffResult Diff(string Source, string Destination)
{
Mathertel.Diff.Item[] Results = Mathertel.Diff.DiffText(Source, Destination, false, false, false);
return(DiffResult.GetStringDiff(Results, Source, Destination));
}
