public void ReEncodeDiffs()
{
string s1 = (char)0xE000 + "Peter piper picked > a peck of pickled pepper < went home." + (char)0xE001;
string s2 = (char)0xE002 + "Peter parker penned < a peck of pickled peppers > came home." + (char)0xE003;
List <Diff> diffList = _dmp.diff_wordMode(s1, s2);
_helper = new DMPCWMTHelper();
_helper.ReEncodeDiffs(diffList);
foreach (var diff in diffList)
{
Assert.False(diff.text.Contains("<") || diff.text.Contains(">"));
}
}
private int[] GetWordChangeCount(string patch)
{
//The lines starting with "-" or "+" are regarded as changing lines, ignoring the spaces before "-" or "+"
Regex deleteReg = new Regex(@"^\s*[-]");
Regex insertReg = new Regex(@"^\s*[+]");
diff_match_patch dmp = new diff_match_patch();
string deleteLines = "", insertLines = "";
int deleteCount = 0, insertCount = 0;
string[] lines = patch.Split('\n');
foreach (string line in lines)
{
//Put all the delete lines together
if (deleteReg.IsMatch(line))
{
deleteLines += line.Substring(line.IndexOf("-") + 1) + "\n";
}
//Put all the insertion lines together
if (insertReg.IsMatch(line))
{
insertLines += line.Substring(line.IndexOf("+") + 1) + "\n";
}
}
List <Diff> diffs = dmp.diff_wordMode(deleteLines, insertLines);
foreach (Diff diff in diffs)
{
if (diff.operation.ToString().Equals("DELETE"))
{
deleteCount += diff.text.Split(' ').Length - 1;
}
if (diff.operation.ToString().Equals("INSERT"))
{
insertCount += diff.text.Split(' ').Length - 1;
}
}
int[] ret = new int[2];
ret[0] = deleteCount;
ret[1] = insertCount;
return(ret);
}
public string PrettyDiffFormatter(string s1, string s2)
{
StringBuilder html = new StringBuilder();
TagParser(ref s1, ref s2);
s1 = HttpUtility.HtmlDecode(s1);
s2 = HttpUtility.HtmlDecode(s2);
DefineStyleDupDict("background:#a0ffa0", "background:#ffa0a0; text-decoration: line-through");
AddSpacesToSpecialTags(ref s1, ref s2);
List <Diff> diffList = _diff.diff_wordMode(s1, s2);
ReEncodeDiffs(diffList);
Diff tempDiff;
for (int i = 0; i < diffList.Count(); i++)
{
string text = diffList.ElementAt(i).text;
tempDiff = ReplaceStyledTags(diffList.ElementAt(i));
if (tempDiff != diffList.ElementAt(i))
{
diffList.Insert(i + 1, tempDiff);
i--;
}
}
if (diffList.Count() > 2)
{
SplitDiffConcatenator(diffList);
}
for (int i = 0; i < diffList.Count(); i++)
{
html.Append(diffList[i].text);
}
return(html.ToString());
}
