public override V[] ToArray()
{
V[] arr = (V[])Array.CreateInstance(cls, nElems);
if (root != 0)
{
OldBtreePage.traverseForward((DatabaseImpl)Database, root, type, height, arr, 0);
}
return(arr);
}
internal void getByteArray(Page pg, int i)
{
int len = OldBtreePage.getKeyStrSize(pg, i);
int offs = OldBtreePage.firstKeyOffs + OldBtreePage.getKeyStrOffs(pg, i);
byte[] bval = new byte[len];
Array.Copy(pg.data, offs, bval, 0, len);
key = new Key(bval);
}
public override V[] Get(Key from, Key till)
{
ArrayList list = new ArrayList();
if (root != 0)
{
OldBtreePage.find((DatabaseImpl)Database, root, checkKey(from), checkKey(till), this, height, list);
}
return((V[])list.ToArray(cls));
}
internal void getStr(Page pg, int i)
{
int len = OldBtreePage.getKeyStrSize(pg, i);
int offs = OldBtreePage.firstKeyOffs + OldBtreePage.getKeyStrOffs(pg, i);
char[] sval = new char[len];
for (int j = 0; j < len; j++)
{
sval[j] = (char)Bytes.unpack2(pg.data, offs);
offs += 2;
}
key = new Key(sval);
}
protected override object unpackByteArrayKey(Page pg, int pos)
{
int offs = OldBtreePage.firstKeyOffs + OldBtreePage.getKeyStrOffs(pg, pos);
byte[] data = pg.data;
Object[] values = new Object[types.Length];
for (int i = 0; i < types.Length; i++)
{
Object v = null;
switch (types[i])
{
case ClassDescriptor.FieldType.tpBoolean:
v = data[offs++] != 0;
break;
case ClassDescriptor.FieldType.tpSByte:
v = (sbyte)data[offs++];
break;
case ClassDescriptor.FieldType.tpByte:
v = data[offs++];
break;
case ClassDescriptor.FieldType.tpShort:
v = Bytes.unpack2(data, offs);
offs += 2;
break;
case ClassDescriptor.FieldType.tpUShort:
v = (ushort)Bytes.unpack2(data, offs);
offs += 2;
break;
case ClassDescriptor.FieldType.tpChar:
v = (char)Bytes.unpack2(data, offs);
offs += 2;
break;
case ClassDescriptor.FieldType.tpInt:
v = Bytes.unpack4(data, offs);
offs += 4;
break;
case ClassDescriptor.FieldType.tpEnum:
v = Enum.ToObject(mbr[i] is FieldInfo ? ((FieldInfo)mbr[i]).FieldType : ((PropertyInfo)mbr[i]).PropertyType,
Bytes.unpack4(data, offs));
offs += 4;
break;
case ClassDescriptor.FieldType.tpUInt:
v = (uint)Bytes.unpack4(data, offs);
offs += 4;
break;
case ClassDescriptor.FieldType.tpOid:
case ClassDescriptor.FieldType.tpObject:
{
int oid = Bytes.unpack4(data, offs);
v = oid == 0 ? null : ((DatabaseImpl)Database).lookupObject(oid, null);
offs += 4;
break;
}
case ClassDescriptor.FieldType.tpLong:
v = Bytes.unpack8(data, offs);
offs += 8;
break;
case ClassDescriptor.FieldType.tpDate:
{
v = new DateTime(Bytes.unpack8(data, offs));
offs += 8;
break;
}
case ClassDescriptor.FieldType.tpULong:
v = (ulong)Bytes.unpack8(data, offs);
offs += 8;
break;
case ClassDescriptor.FieldType.tpFloat:
v = Bytes.unpackF4(data, offs);
offs += 4;
break;
case ClassDescriptor.FieldType.tpDouble:
v = Bytes.unpackF8(data, offs);
offs += 8;
break;
case ClassDescriptor.FieldType.tpDecimal:
v = Bytes.unpackDecimal(data, offs);
offs += 16;
break;
case ClassDescriptor.FieldType.tpGuid:
v = Bytes.unpackGuid(data, offs);
offs += 16;
break;
case ClassDescriptor.FieldType.tpString:
{
int len = Bytes.unpack4(data, offs);
offs += 4;
char[] sval = new char[len];
for (int j = 0; j < len; j++)
{
sval[j] = (char)Bytes.unpack2(pg.data, offs);
offs += 2;
}
v = new String(sval);
break;
}
case ClassDescriptor.FieldType.tpArrayOfByte:
{
int len = Bytes.unpack4(data, offs);
offs += 4;
byte[] val = new byte[len];
Array.Copy(pg.data, offs, val, 0, len);
offs += len;
v = val;
break;
}
default:
Debug.Assert(false, "Invalid type");
break;
}
values[i] = v;
}
return(values);
}