private bool ValueEqualsPythonDict(PythonDictionary pd, IEqualityComparer comparer)
{
List myKeys = keys();
foreach (object o in myKeys)
{
object res;
if (!pd.TryGetValueNoMissing(o, out res))
{
return(false);
}
CompareUtil.Push(res);
try {
if (comparer == null)
{
if (!PythonOps.EqualRetBool(res, this[o]))
{
return(false);
}
}
else
{
if (!comparer.Equals(res, this[o]))
{
return(false);
}
}
} finally {
CompareUtil.Pop(res);
}
}
return(true);
}
public object __cmp__(CodeContext context, object other)
{
IDictionary <object, object> oth = other as IDictionary <object, object>;
// CompareTo is allowed to throw (string, int, etc... all do it if they don't get a matching type)
if (oth == null)
{
object len, iteritems;
if (!PythonOps.TryGetBoundAttr(context, other, "__len__", out len) ||
!PythonOps.TryGetBoundAttr(context, other, "iteritems", out iteritems))
{
return(NotImplementedType.Value);
}
// user-defined dictionary...
int lcnt = Count;
int rcnt = PythonContext.GetContext(context).ConvertToInt32(PythonOps.CallWithContext(context, len));
if (lcnt != rcnt)
{
return(lcnt > rcnt ? 1 : -1);
}
return(DictionaryOps.CompareToWorker(context, this, new List(PythonOps.CallWithContext(context, iteritems))));
}
CompareUtil.Push(this, oth);
try {
return(DictionaryOps.CompareTo(context, this, oth));
} finally {
CompareUtil.Pop(this, oth);
}
}
private bool EqualsWorker(object other, IEqualityComparer comparer)
{
if (Object.ReferenceEquals(this, other))
{
return(true);
}
IDictionary <object, object> oth = other as IDictionary <object, object>;
if (oth == null)
{
return(false);
}
if (oth.Count != Count)
{
return(false);
}
PythonDictionary pd = other as PythonDictionary;
if (pd != null)
{
return(ValueEqualsPythonDict(pd, comparer));
}
// we cannot call Compare here and compare against zero because Python defines
// value equality even if the keys/values are unordered.
List myKeys = keys();
foreach (object o in myKeys)
{
object res;
if (!oth.TryGetValue(o, out res))
{
return(false);
}
CompareUtil.Push(res);
try {
if (comparer == null)
{
if (!PythonOps.EqualRetBool(res, this[o]))
{
return(false);
}
}
else
{
if (!comparer.Equals(res, this[o]))
{
return(false);
}
}
} finally {
CompareUtil.Pop(res);
}
}
return(true);
}
public int __cmp__(CodeContext /*!*/ context, [NotNull] PythonDictionary /*!*/ other)
{
CompareUtil.Push(this, other);
try {
return(DictionaryOps.CompareTo(context, this, other));
} finally {
CompareUtil.Pop(this, other);
}
}
int IStructuralEquatable.GetHashCode(IEqualityComparer /*!*/ comparer)
{
if (CompareUtil.Check(this))
{
return(0);
}
int res;
CompareUtil.Push(this);
try {
res = ((IStructuralEquatable) new FrozenSetCollection(_items)).GetHashCode(comparer);
} finally {
CompareUtil.Pop(this);
}
return(res);
}
int IStructuralEquatable.GetHashCode(IEqualityComparer comparer)
{
if (CompareUtil.Check(this))
{
return(0);
}
int res;
ISet pairs = new FrozenSetCollection();
foreach (KeyValuePair <object, object> kvp in _storage.GetItems())
{
pairs.PrivAdd(PythonTuple.MakeTuple(kvp.Key, kvp.Value));
}
CompareUtil.Push(this);
try {
res = pairs.GetHashCode(comparer);
} finally {
CompareUtil.Pop(this);
}
return(res);
}
