private void ComputeLineDifferences(LineRecord lrec, LineRecord rrec)
{
DiffList_CharData left = new DiffList_CharData(lrec.Text);
DiffList_CharData right = new DiffList_CharData(rrec.Text);
DiffEngine engine = new DiffEngine();
engine.ProcessDiff(left, right, DiffEngineLevel.SlowPerfect);
ArrayList report = engine.DiffReport();
foreach (DiffResultSpan dres in report)
{
switch (dres.Status)
{
case DiffResultSpanStatus.NoChange:
break;
case DiffResultSpanStatus.Replace:
lrec.AddRange(dres.SourceIndex, dres.SourceIndex + dres.Length, Color.LightSalmon, Color.Empty);
rrec.AddRange(dres.DestIndex, dres.DestIndex + dres.Length, Color.LightSalmon, Color.Empty);
break;
case DiffResultSpanStatus.DeleteSource:
lrec.AddRange(dres.SourceIndex, dres.SourceIndex + dres.Length, Color.LightSalmon, Color.Empty);
break;
case DiffResultSpanStatus.AddDestination:
rrec.AddRange(dres.DestIndex, dres.DestIndex + dres.Length, Color.LightSalmon, Color.Empty);
break;
default:
break;
} // switch
} // foreach
}
private void CompareLines(string line1, string line2, StringBuilder res1, StringBuilder res2, ref int changed, ref int added, ref int deleted)
{
DiffList_CharData s1 = new DiffList_CharData(line1);
DiffList_CharData s2 = new DiffList_CharData(line2);
DiffEngine de = new DiffEngine();
ArrayList rep;
int i = 0;
de.ProcessDiff(s1, s2, DiffEngineLevel.SlowPerfect);
rep = de.DiffReport();
foreach (DiffResultSpan drs in rep)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
res1.Append("<span style=\"background-color: #FBB2A7\">");
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
deleted++;
}
res1.Append("</span>");
break;
case DiffResultSpanStatus.AddDestination:
res2.Append("<span style=\"background-color: #85D685\">");
for (i = 0; i < drs.Length; i++)
{
res2.Append(s2.GetByIndex(drs.DestIndex + i));
added++;
}
res2.Append("</span>");
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
res2.Append(s2.GetByIndex(drs.DestIndex + i));
}
break;
case DiffResultSpanStatus.Replace:
res1.Append("<span style=\"background-color: #75C5FF\">");
res2.Append("<span style=\"background-color: #75C5FF\">");
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
res2.Append(s2.GetByIndex(drs.DestIndex + i));
changed++;
}
res1.Append("</span>");
res2.Append("</span>");
break;
}
}
}
//public static double StringSimilar(string sourceString, string checkString)
public static DiffResult matchString(string sourceString, string checkString)
{
DiffEngine diffEngine = new DiffEngine();
DiffList_CharData source = new DiffList_CharData(sourceString);
DiffList_CharData dest = new DiffList_CharData(checkString);
var time = diffEngine.ProcessDiff(source, dest);
var report = diffEngine.DiffReport();
string result = "";
int addCount = 0;
int deleteCount = 0;
int replaceCount = 0;
int sameCount = 0;
foreach (DiffResultSpan diffResultSpan in report)
{
switch (diffResultSpan.Status)
{
case DiffResultSpanStatus.AddDestination:
{
addCount += diffResultSpan.Length;
break;
}
case DiffResultSpanStatus.DeleteSource:
{
deleteCount += diffResultSpan.Length;
break;
}
case DiffResultSpanStatus.Replace:
{
for (int i = 0; i < diffResultSpan.Length; i++)
{
result += dest.GetByIndex(diffResultSpan.DestIndex + i);
}
replaceCount += diffResultSpan.Length;
break;
}
case DiffResultSpanStatus.NoChange:
{
for (int i = 0; i < diffResultSpan.Length; i++)
{
result += dest.GetByIndex(diffResultSpan.DestIndex + i);
}
sameCount += diffResultSpan.Length;
break;
}
}
}
return(new DiffResult(addCount, deleteCount, replaceCount, sameCount));//(deleteCount) + "|" + result;
}
private void CompareLines(string line1, string line2, StringBuilder res1, StringBuilder res2, ref int changed, ref int added, ref int deleted)
{
DiffList_CharData s1 = new DiffList_CharData(line1);
DiffList_CharData s2 = new DiffList_CharData(line2);
DiffEngine de = new DiffEngine();
ArrayList rep;
int i = 0;
de.ProcessDiff(s1, s2, DiffEngineLevel.SlowPerfect);
rep = de.DiffReport();
foreach (DiffResultSpan drs in rep)
{
switch (drs.Status)
{
case DiffResultSpanStatus.DeleteSource:
res1.Append("<span style=\"background-color: #FBB2A7\">");
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
deleted++;
}
res1.Append("</span>");
break;
case DiffResultSpanStatus.AddDestination:
res2.Append("<span style=\"background-color: #85D685\">");
for (i = 0; i < drs.Length; i++)
{
res2.Append(s2.GetByIndex(drs.DestIndex + i));
added++;
}
res2.Append("</span>");
break;
case DiffResultSpanStatus.NoChange:
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
res2.Append(s2.GetByIndex(drs.DestIndex + i));
}
break;
case DiffResultSpanStatus.Replace:
res1.Append("<span style=\"background-color: #75C5FF\">");
res2.Append("<span style=\"background-color: #75C5FF\">");
for (i = 0; i < drs.Length; i++)
{
res1.Append(s1.GetByIndex(drs.SourceIndex + i));
res2.Append(s2.GetByIndex(drs.DestIndex + i));
changed++;
}
res1.Append("</span>");
res2.Append("</span>");
break;
}
}
}