//
// IEnumerable
//
private EntryRankMap <KeyType, ValueType> Convert(EntryMultiRankMap <KeyType, ValueType> entry)
{
return(new EntryRankMap <KeyType, ValueType>(
entry.Key,
entry.Value,
new SetValueWrapper <ValueType>(entry),
((IGetEnumeratorSetValueInfo <ValueType>)entry).Version,
entry.Rank));
}
public void Reset()
{
this.mapVersion = map.version;
this.enumeratorVersion = unchecked (this.enumeratorVersion + 1);
current = new EntryMultiRankMap <KeyType, ValueType>();
if (forward)
{
index = -1;
if (startKeyed)
{
while ((index + 1 < map.items.Count) && (0 < Comparer <KeyType> .Default.Compare(startKey, map.items[index + 1].key)))
{
index++;
}
if ((index >= 0) && (index < map.items.Count) && (0 == Comparer <KeyType> .Default.Compare(startKey, map.items[index].key)))
{
index--;
}
}
}
else
{
index = map.items.Count;
if (startKeyed)
{
while ((index - 1 >= 0) && (0 > Comparer <KeyType> .Default.Compare(startKey, map.items[index - 1].key)))
{
index--;
}
if ((index >= 0) && (index < map.items.Count) && (0 == Comparer <KeyType> .Default.Compare(startKey, map.items[index].key)))
{
index++;
}
}
}
if ((index >= 0) && (index < map.items.Count))
{
current = GetItem(index);
}
}
public bool MoveNext()
{
if (!robust && (mapVersion != map.version))
{
throw new InvalidOperationException();
}
this.enumeratorVersion = unchecked (this.enumeratorVersion + 1);
if (((index >= 0) && (index < map.Count)) && (0 != Comparer <KeyType> .Default.Compare(current.Key, map.items[index].key)))
{
if (forward)
{
index = 0;
while ((index < map.items.Count) && (0 <= Comparer <KeyType> .Default.Compare(current.Key, map.items[index].key)))
{
index++;
}
index--;
}
else
{
index = map.items.Count - 1;
while ((index >= 0) && (0 >= Comparer <KeyType> .Default.Compare(current.Key, map.items[index].key)))
{
index--;
}
index++;
}
}
index = index + (forward ? 1 : -1);
current = new EntryMultiRankMap <KeyType, ValueType>();
if ((index >= 0) && (index < map.Count))
{
current = GetItem(index);
return(true);
}
return(false);
}
