/// <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>
/// <returns>The index.</returns>
/// <param name="name">Name.</param>
/// <param name="value">Value.</param>
public static int GetIndex(byte[] name, byte[] value)
{
int index = GetIndex(name);
if (index == -1)
{
return(-1);
}
// Note this assumes all entries for a given header field are sequential.
while (index <= StaticTable.Length)
{
HeaderField entry = GetEntry(index);
if (!HPackUtil.Equals(name, entry.Name))
{
break;
}
if (HPackUtil.Equals(value, entry.Value))
{
return(index);
}
index++;
}
return(-1);
}
public override bool Equals(Object obj)
{
if (obj == this)
{
return(true);
}
if (!(obj is HeaderField))
{
return(false);
}
HeaderField other = (HeaderField)obj;
bool nameEquals = HPackUtil.Equals(name, other.name);
bool valueEquals = HPackUtil.Equals(value, other.value);
return(nameEquals && valueEquals);
}
/// <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>
/// <returns>The entry.</returns>
/// <param name="name">Name.</param>
/// <param name="value">Value.</param>
private HeaderEntry GetEntry(byte[] name, byte[] value)
{
if (this.Length() == 0 || name == null || value == null)
{
return(null);
}
int h = Encoder.Hash(name);
int i = Encoder.Index(h);
for (HeaderEntry e = headerFields[i]; e != null; e = e.Next)
{
if (e.Hash == h && HPackUtil.Equals(name, e.Name) && HPackUtil.Equals(value, e.Value))
{
return(e);
}
}
return(null);
}
/// <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>
/// <returns>The index.</returns>
/// <param name="name">Name.</param>
private int GetIndex(byte[] name)
{
if (this.Length() == 0 || name == null)
{
return(-1);
}
int h = Encoder.Hash(name);
int i = Encoder.Index(h);
int index = -1;
for (HeaderEntry e = headerFields[i]; e != null; e = e.Next)
{
if (e.Hash == h && HPackUtil.Equals(name, e.Name))
{
index = e.Index;
break;
}
}
return(this.GetIndex(index));
}