public string GetHeaderValue(ReadOnlySpan <byte> headerValue)
{
if (headerValue.Length == 0)
{
return(string.Empty);
}
// If it's a known header value, use the known value instead of allocating a new string.
if (_knownHeader != null)
{
if (_knownHeader.KnownValues != null)
{
string[] knownValues = _knownHeader.KnownValues;
for (int i = 0; i < knownValues.Length; i++)
{
if (ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(knownValues[i], headerValue))
{
return(knownValues[i]);
}
}
}
if (_knownHeader == KnownHeaders.Location)
{
// Normally Location should be in ISO-8859-1 but occasionally some servers respond with UTF-8.
if (TryDecodeUtf8(headerValue, out string decoded))
{
return(decoded);
}
}
}
return(HttpRuleParser.DefaultHttpEncoding.GetString(headerValue));
}
internal static unsafe KnownHeader TryGetKnownHeader(ReadOnlySpan <byte> name)
{
fixed(byte *p = &MemoryMarshal.GetReference(name))
{
KnownHeader candidate = GetCandidate(new BytePtrAccessor(p, name.Length));
if (candidate != null && ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(candidate.Name, name))
{
return(candidate);
}
}
return(null);
}
internal unsafe static KnownHeader TryGetKnownHeader(ReadOnlySpan <byte> name)
{
fixed(byte *p = &name.DangerousGetPinnableReference())
{
KnownHeader candidate = GetCandidate(new BytePtrAccessor(p, name.Length));
if (candidate != null && ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(candidate.Name, name))
{
return(candidate);
}
}
return(null);
}
public string GetHeaderValue(ReadOnlySpan <byte> headerValue)
{
if (headerValue.Length == 0)
{
return(string.Empty);
}
// If it's a known header value, use the known value instead of allocating a new string.
if (_knownHeader != null && _knownHeader.KnownValues != null)
{
string[] knownValues = _knownHeader.KnownValues;
for (int i = 0; i < knownValues.Length; i++)
{
if (ByteArrayHelpers.EqualsOrdinalAsciiIgnoreCase(knownValues[i], headerValue))
{
return(knownValues[i]);
}
}
}
return(HttpRuleParser.DefaultHttpEncoding.GetString(headerValue));
}