public void Read(BinaryReader nfile)
{
int i, j, k;
long longrecn = intRecordNumber;
nfile.BaseStream.Position = (longrecn * 512);
intKeysInThisNode = nfile.ReadInt32();
for (i = 0; i < intGeneralKeysPerNode; i++)
{
lower_level[i] = nfile.ReadInt32();
key_record_number[i] = nfile.ReadInt32();
if (objKeyType == dBaseType.N)
{
//Key is a double number
key_expression[i] = new NodeKey(Convert.ToDouble(nfile.ReadInt64()));
}
else
{
key_buffer = nfile.ReadBytes(intKeyExpressionSize);
for (k = 0; k < intKeyExpressionSize && key_buffer[k] != 0; k++)
{
;
}
key_expression[i] = new NodeKey(dBaseConverter.C_ToString(key_buffer));
}
j = intKeyExpressionSize % 4;
if (j > 0)
{
j = 4 - j;
}
for (k = 0; k < j; k++)
{
nfile.ReadByte();
}
} // for i
if (lower_level[0] > 0)
{
boolBranch = true;
}
else
{
boolBranch = false;
}
lower_level[i] = nfile.ReadInt32();
}
public bool CompareKey(String keyToCompare)
{
NodeKey tempKey;
if (objKeyType == dBaseType.F)
{
tempKey = new NodeKey(new NodeFloat(Double.Parse(keyToCompare)));
}
else
{
if (objKeyType == dBaseType.N)
{
Double d = Double.Parse(keyToCompare);
tempKey = new NodeKey(d);
}
else
{
tempKey = new NodeKey(keyToCompare);
}
}
return(objActiveKey.CompareKey(tempKey) == 0);
}
public int CompareKey(NodeKey keyCompareTo)
{
int ret = 0;
if (this.objType != keyCompareTo.NodeKeyType)
{
return(-1); // throw new xBaseJException("Node key types do not match");
}
if (this.objType == dBaseType.C)
{
String s = (String)this.objKey;
s = RebuildString(s);
String t = keyCompareTo.ToString();
t = RebuildString(t);
return(s.CompareTo(t));
}
if (this.objType == dBaseType.F)
{
NodeFloat nf = (NodeFloat)this.objKey;
NodeFloat nft = (NodeFloat)keyCompareTo.objKey;
return(nf.CompareTo(nft));
}
Double d = (Double)this.objKey;
double d2 = d - keyCompareTo.GetDouble;
if (d2 < 0.0)
{
return(-1);
}
if (d2 > 0.0)
{
return(1);
}
return(ret);
}
public void SetKeyValue(double key)
{
key_expression[intPosition] = new NodeKey(key);
}
public void SetKeyValue(NodeKey key)
{
key_expression[intPosition] = key;
}
public KeyList(NodeKey Key, int i)
{
this.objKey = Key;
this.intWhere = i;
}
public int add_entry(int recno)
{
NodeKey newkey = BuildKey();
return(add_entry(newkey, recno));
}
public abstract int add_entry(NodeKey key, int recno);
