public void TextDiff(string source, bool sourceIsFile, string destination, bool destinationIsFile)
{
using (new DisposableState(this, null))
{
DiffListText sLf = null;
DiffListText dLf = null;
try
{
sLf = new DiffListText(source, sourceIsFile);
dLf = new DiffListText(destination, destinationIsFile);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "File Error");
return;
}
try
{
double time = 0;
var de = new DiffEngine();
time = de.ProcessDiff(sLf, dLf, DiffEngineLevel.SlowPerfect);
var rep = de.DiffReport();
ShowDiff(sLf, dLf, rep, time);
}
catch (Exception ex)
{
var tmp = string.Format("{0}{1}{1}***STACK***{1}{2}",
ex.Message,
Environment.NewLine,
ex.StackTrace);
MessageBox.Show(tmp, "Compare Error");
}
}
}
private void ShowDiff(DiffListText source, DiffListText destination, List<DiffResultSpan> diffLines, double seconds)
{
_currentIndex = 0;
_cmdDifferenceNext.Enabled = true;
_cmdDifferencePrevious.Enabled = true;
_differences = new List<int>();
_rtbSourceScript.BeginUpdate();
_rtbDestinationScript.BeginUpdate();
var sourceLines = new List<KeyValuePair<string, Color>>();
var destinationLines = new List<KeyValuePair<string, Color>>();
int i;
foreach (var drs in diffLines)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair<string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Red));
destinationLines.Add(new KeyValuePair<string, Color>(new string(' ', ((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line.Length), Color.Blue));
}
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair<string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Empty));
destinationLines.Add(new KeyValuePair<string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Empty));
}
break;
case DiffResultSpanStatus.AddDestination:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair<string, Color>(new string(' ', ((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line.Length), Color.Blue));
destinationLines.Add(new KeyValuePair<string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Blue));
}
break;
case DiffResultSpanStatus.Replace:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair<string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Red));
destinationLines.Add(new KeyValuePair<string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Green));
}
break;
}
}
FillScript(sourceLines, _rtbSourceScript);
FillScript(destinationLines, _rtbDestinationScript);
_rtbSourceScript.EndUpdate();
_rtbDestinationScript.EndUpdate();
this.Text = _differences.Count + " differences.";
}
private void ShowDiff(DiffListText source, DiffListText destination, List <DiffResultSpan> diffLines, double seconds)
{
_currentIndex = 0;
_cmdDifferenceNext.Enabled = true;
_cmdDifferencePrevious.Enabled = true;
_differences = new List <int>();
_rtbSourceScript.BeginUpdate();
_rtbDestinationScript.BeginUpdate();
var sourceLines = new List <KeyValuePair <string, Color> >();
var destinationLines = new List <KeyValuePair <string, Color> >();
int i;
foreach (var drs in diffLines)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair <string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Red));
destinationLines.Add(new KeyValuePair <string, Color>(new string(' ', ((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line.Length), Color.Blue));
}
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair <string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Empty));
destinationLines.Add(new KeyValuePair <string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Empty));
}
break;
case DiffResultSpanStatus.AddDestination:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair <string, Color>(new string(' ', ((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line.Length), Color.Blue));
destinationLines.Add(new KeyValuePair <string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Blue));
}
break;
case DiffResultSpanStatus.Replace:
_differences.Add(sourceLines.Count);
for (i = 0; i < drs.Length; i++)
{
sourceLines.Add(new KeyValuePair <string, Color>(((TextLine)source.GetByIndex(drs.SourceIndex + i)).Line, Color.Red));
destinationLines.Add(new KeyValuePair <string, Color>(((TextLine)destination.GetByIndex(drs.DestIndex + i)).Line, Color.Green));
}
break;
}
}
FillScript(sourceLines, _rtbSourceScript);
FillScript(destinationLines, _rtbDestinationScript);
_rtbSourceScript.EndUpdate();
_rtbDestinationScript.EndUpdate();
this.Text = _differences.Count + " differences.";
}
public void TextDiff(string source, bool sourceIsFile, string destination, bool destinationIsFile)
{
using (new DisposableState(this, null))
{
DiffListText sLf = null;
DiffListText dLf = null;
try
{
sLf = new DiffListText(source, sourceIsFile);
dLf = new DiffListText(destination, destinationIsFile);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "File Error");
return;
}
try
{
double time = 0;
var de = new DiffEngine();
time = de.ProcessDiff(sLf, dLf, DiffEngineLevel.SlowPerfect);
var rep = de.DiffReport();
ShowDiff(sLf, dLf, rep, time);
}
catch (Exception ex)
{
var tmp = string.Format("{0}{1}{1}***STACK***{1}{2}",
ex.Message,
Environment.NewLine,
ex.StackTrace);
MessageBox.Show(tmp, "Compare Error");
}
}
}
