private void WriteHash(NameHash hash, Stream into)
{
bool hasAHash = hash.ActualHash != 0;
// Write the hash value
byte[] bytes = BitConverter.GetBytes(hash.ActualHash);
if (!BitConverter.IsLittleEndian)
Array.Reverse(bytes);
into.Write(bytes, 0, 2);
// Having a hash of 0 means that this entity had hash collisions, so we
// will write the full name.
if (hash.ActualHash == 0)
{
mMethods[typeof(string)].Write(hash.Name, into);
}
}
private FieldData GetFieldForHash(NameHash hash, DictionaryEntry entry )
{
if ( hash.ActualHash == 0 )
{
if (hash.Name.Length == 0)
throw new UnknownTypeException("");
foreach ( var field in entry.Fields )
{
if (field.Hash.Name.Equals(hash.Name))
return field;
}
}
else
{
foreach ( var field in entry.Fields )
{
if (field.Hash.ActualHash == hash.ActualHash)
return field;
}
}
return null;
}
private NameHash ReadHash(Stream from)
{
NameHash hash = new NameHash();
// Read the hash value
byte[] bytes = new byte[2];
from.Read(bytes, 0, 2);
if (!BitConverter.IsLittleEndian)
Array.Reverse(bytes);
hash.ActualHash = BitConverter.ToInt16(bytes, 0);
if (hash.ActualHash == 0)
{
hash.Name = (string)mMethods[typeof(string)].Read(@from);
}
return hash;
}
private DictionaryEntry GetEntryForHash(NameHash hash)
{
if (hash.ActualHash == 0)
{
if (hash.Name.Length == 0)
throw new UnknownTypeException("");
foreach (var cur in mTypes)
{
if (cur.Value.Hash.Name.Equals(hash.Name))
{
return cur.Value;
}
}
}
else
{
foreach (var cur in mTypes)
{
if (cur.Value.Hash.ActualHash == hash.ActualHash)
{
return cur.Value;
}
}
}
return null;
}
