private bool EncodeDynamicHeader(Span <byte> buffer, int staticTableIndex, string name, string value,
int headerLength, Encoding?valueEncoding, out int bytesWritten)
{
EncoderHeaderEntry?headerField = GetEntry(name, value);
if (headerField != null)
{
// Already exists in dynamic table. Write index.
int index = CalculateDynamicTableIndex(headerField.Index);
return(HPackEncoder.EncodeIndexedHeaderField(index, buffer, out bytesWritten));
}
else
{
// Doesn't exist in dynamic table. Add new entry to dynamic table.
int index = ResolveDynamicTableIndex(staticTableIndex, name);
bool success = index == -1
? HPackEncoder.EncodeLiteralHeaderFieldIndexingNewName(name, value, valueEncoding, buffer, out bytesWritten)
: HPackEncoder.EncodeLiteralHeaderFieldIndexing(index, value, valueEncoding, buffer, out bytesWritten);
if (success)
{
uint headerSize = (uint)headerLength;
EnsureCapacity(headerSize);
AddHeaderEntry(name, value, headerSize);
}
return(success);
}
}
