private static void AddUniqueName(
string columnName,
VBuffer <ReadOnlyMemory <char> > slotNames,
ref ValueListBuilder <int> nameIndices,
ref ValueListBuilder <byte> utf8Names)
{
var columnNameBytes = Encoding.UTF8.GetBytes(columnName);
var dotBytes = Encoding.UTF8.GetBytes(".");
foreach (var kvp in slotNames.Items(true))
{
// REVIEW: Add the proper number of zeros to the slot index to make them sort in the right order.
var slotName = (!kvp.Value.IsEmpty ? kvp.Value.ToString() : kvp.Key.ToString(CultureInfo.InvariantCulture));
if (utf8Names.Capacity - utf8Names.Length < slotName.Length * 2 + columnNameBytes.Length + dotBytes.Length)
{
utf8Names.Grow();
}
nameIndices.Append(utf8Names.Length);
utf8Names.AppendRange(columnNameBytes);
utf8Names.AppendRange(dotBytes);
var bytesNumber = Encoding.UTF8.GetBytes(slotName, 0, slotName.Length, utf8Names.Buffer, utf8Names.Length);
utf8Names.Length += bytesNumber;
utf8Names.Append(0);
}
}
private static void AddUniqueName(string name,
ref ValueListBuilder <int> nameIndices,
ref ValueListBuilder <byte> utf8Names)
{
if (utf8Names.Capacity - utf8Names.Length < name.Length * 2 + 2)
{
utf8Names.Grow();
}
nameIndices.Append(utf8Names.Length);
var bytesNumber = Encoding.UTF8.GetBytes(name, 0, name.Length, utf8Names.Buffer, utf8Names.Length);
utf8Names.Length += bytesNumber;
utf8Names.Append(0);
}
