/// <summary>
/// Adds the diff items contained into the specified set to the current set.
/// </summary>
/// <param name="items">The diff items to be added.</param>
/// <returns>A reference to the builder itself.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="items"/> is null.</exception>
public DiffSetBuilder Add(DiffSet items)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
foreach (var item in items)
{
Add(item);
}
return(this);
}
private DiffSet FindElements(IList <int> notified, bool invert, DiffType diffType)
{
var builder = new DiffSetBuilder();
var mask = new List <int>();
var noExactMatch = new List <int>();
var source = invert ? expected : actual;
var pool = invert ? actual : expected;
// Find first exact match (= empty diff)
for (int i = 0; i < source.Count; i++)
{
int j = pool.FindIndex(x => !mask.Contains(x) && source[i].Diff(pool[x], XmlPathRoot.Strict.Empty, XmlPathRoot.Strict.Empty, options).IsEmpty);
if (j < 0)
{
noExactMatch.Add(i);
}
else
{
mask.Add(j);
}
}
// Find first name-only match for the remaining items without exact match.
foreach (int i in noExactMatch)
{
int j = pool.FindIndex(x => !mask.Contains(x) && source[i].AreNamesEqual(pool[x].Name, options));
if (j < 0)
{
builder.Add(new Diff(diffType, (invert ? pathExpected : path).Element(i), invert ? DiffTargets.Expected : DiffTargets.Actual));
}
else
{
int k = invert ? j : i;
DiffSet diffSet = actual[k].Diff(expected[invert ? i : j], path, pathExpected, options);
if (!diffSet.IsEmpty && !notified.Contains(k))
{
builder.Add(diffSet);
notified.Add(k);
}
mask.Add(j);
}
}
return(builder.ToDiffSet());
}