//========================== EXTENSION ==========================//
private static void AddToHead( ref BucketValue bucketVal, ref MModelNativeTextMMFBase.Pair pair )
{
bucketVal.NextBucket = new BucketRef()
{
Language = pair.Language,
Weight = pair.Weight,
NextBucket = bucketVal.NextBucket,
};
}
/*public bool TryAddToEndOfChain( ref LanguageNativeTextMMFConfig.Pair pair )
{
int i = FindEntry( pair.TextPtr );
if ( i >= 0 )
{
AddToHead( ref _Entries[ i ].value, ref pair );
return (true);
}
return (false);
}*/
unsafe internal void AddNewOrToEndOfChain( ref MModelNativeTextMMFBase.Pair pair )
{
int hashCode = _Comparer.GetHashCode( pair.TextPtr ) & 0x7FFFFFFF;
int targetBucket = hashCode % _Buckets.Length;
#region [.try merge with exists.]
for ( int i = _Buckets[ targetBucket ]; i >= 0; i = _Entries[ i ].next )
{
if ( _Entries[ i ].hashCode == hashCode && _Comparer.Equals( _Entries[ i ].key, pair.TextPtr ) )
{
//add to end of chain
AddToHead( ref _Entries[ i ].value, ref pair );
return;
}
}
#endregion
#region [.add new.]
int index;
if ( _FreeCount > 0 )
{
index = _FreeList;
_FreeList = _Entries[ index ].next;
_FreeCount--;
}
else
{
if ( _Count == _Entries.Length )
{
Resize();
targetBucket = hashCode % _Buckets.Length;
}
index = _Count;
_Count++;
}
var textPtr = StringsHelper.AllocHGlobalAndCopy( pair.TextPtr, pair.TextLength );
_Entries[ index ].hashCode = hashCode;
_Entries[ index ].next = _Buckets[ targetBucket ];
_Entries[ index ].key = textPtr;
_Entries[ index ].value = new BucketValue( pair.Language, pair.Weight );
_Buckets[ targetBucket ] = index;
#endregion
}
unsafe private void LoadMMFCallbackRoutine(ref MModelNativeTextMMFBase.Pair pair)
{
BucketValue bucketVal;
if (Dictionary.TryGetValue(pair.TextPtr, out bucketVal))
{
var bucketRef = new BucketRef()
{
Language = pair.Language,
Weight = pair.Weight,
NextBucket = bucketVal.NextBucket,
};
bucketVal.NextBucket = bucketRef;
Dictionary[pair.TextPtr] = bucketVal;
#region commented. previous
/*
* var bucketRef = new BucketRef() { Language = pair.Language, Weight = pair.Weight };
* if ( bucketVal.NextBucket == null )
* {
* bucketVal.NextBucket = bucketRef;
*
* DictionaryIntptr[ pair.TextPtr ] = bucketVal;
* }
* else
* {
* var br = bucketVal.NextBucket;
* for (; br.NextBucket != null; br = br.NextBucket );
* br.NextBucket = bucketRef;
* }
*/
#endregion
}
else
{
var textPtr = StringsHelper.AllocHGlobalAndCopy(pair.TextPtr, pair.TextLength);
Dictionary.Add(textPtr, new BucketValue(pair.Language, pair.Weight));
}
}