/// <summary>
/// Returns the index value for the given header field in the static table. Returns -1 if the
/// header field is not in the static table.
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
/// <returns></returns>
internal static int GetIndexInsensitive(ICharSequence name, ICharSequence value)
{
int index = GetIndex(name);
if ((uint)index > SharedConstants.TooBigOrNegative /* == -1*/)
{
return(-1);
}
uint uLength = (uint)Length;
// Note this assumes all entries for a given header field are sequential.
while ((uint)index <= uLength)
{
HpackHeaderField entry = GetEntry(index);
if (HpackUtil.EqualsVariableTime(name, entry._name) && HpackUtil.EqualsVariableTime(value, entry._value))
{
return(index);
}
index++;
}
return(-1);
}
/// <summary>
/// Returns the lowest index value for the header field name in the dynamic table. Returns -1 if
/// the header field name is not in the dynamic table.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
int GetIndex(ICharSequence name)
{
if (0u >= (uint)Length() || name is null)
{
return(-1);
}
int h = AsciiString.GetHashCode(name);
int i = Index(h);
for (HeaderEntry e = _headerFields[i]; e is object; e = e.Next)
{
if (e.Hash == h && HpackUtil.EqualsConstantTime(name, e._name) != 0)
{
return(GetIndex(e.Index));
}
}
return(-1);
}
/// <summary>
/// Returns the header entry with the lowest index value for the header field. Returns null if
/// header field is not in the dynamic table.
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
HeaderEntry GetEntryInsensitive(ICharSequence name, ICharSequence value)
{
if (0u >= (uint)Length() || name is null || value is null)
{
return(null);
}
int h = AsciiString.GetHashCode(name);
int i = Index(h);
for (HeaderEntry e = _headerFields[i]; e is object; e = e.Next)
{
// Check the value before then name, as it is more likely the value will be different incase there is no
// match.
if (e.Hash == h && HpackUtil.EqualsVariableTime(value, e._value) && HpackUtil.EqualsVariableTime(name, e._name))
{
return(e);
}
}
return(null);
}
public bool EqualsForTest(HpackHeaderField other)
{
return(HpackUtil.EqualsVariableTime(_name, other._name) && HpackUtil.EqualsVariableTime(_value, other._value));
}