public static IEnumerable <DiffHunk> GetDiff(this IReadonlyTextDocument document, IReadonlyTextDocument changedDocument, bool includeEol = true)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
if (changedDocument == null)
{
throw new ArgumentNullException("changedDocument");
}
var codeDictionary = new Dictionary <string, int> ();
int codeCounter = 0;
var options = new DiffOptions(includeEol);
return(Diff.GetDiff <int> (GetDiffCodes(document, ref codeCounter, codeDictionary, options),
GetDiffCodes(changedDocument, ref codeCounter, codeDictionary, options)));
}
public static IEnumerable<DiffHunk> GetDiff (this IReadonlyTextDocument document, IReadonlyTextDocument changedDocument, DiffOptions options)
{
if (document == null)
throw new ArgumentNullException ("document");
if (changedDocument == null)
throw new ArgumentNullException ("changedDocument");
var codeDictionary = new Dictionary<string, int> ();
int codeCounter = 0;
return Diff.GetDiff<int> (GetDiffCodes (document, ref codeCounter, codeDictionary, options),
GetDiffCodes (changedDocument, ref codeCounter, codeDictionary, options));
}
static int [] GetDiffCodes (IReadonlyTextDocument document, ref int codeCounter, Dictionary<string, int> codeDictionary, DiffOptions options)
{
int i = 0;
var result = new int [document.LineCount];
foreach (var line in document.GetLinesStartingAt (1)) {
string lineText = document.GetTextAt (line.Offset, options.IncludeEol ? line.LengthIncludingDelimiter : line.Length);
if (options.TrimLines)
lineText = lineText.Trim ();
int curCode;
if (!codeDictionary.TryGetValue (lineText, out curCode)) {
codeDictionary [lineText] = curCode = ++codeCounter;
}
result [i] = curCode;
i++;
}
return result;
}
static int [] GetDiffCodes(IReadonlyTextDocument document, ref int codeCounter, Dictionary <string, int> codeDictionary, DiffOptions options)
{
int i = 0;
var result = new int [document.LineCount];
foreach (var line in document.GetLinesStartingAt(1))
{
string lineText = document.GetTextAt(line.Offset, options.IncludeEol ? line.LengthIncludingDelimiter : line.Length);
if (options.TrimLines)
{
lineText = lineText.Trim();
}
int curCode;
if (!codeDictionary.TryGetValue(lineText, out curCode))
{
codeDictionary [lineText] = curCode = ++codeCounter;
}
result [i] = curCode;
i++;
}
return(result);
}
