68descriptor = new HeaderDescriptor(knownHeader); 78descriptor = new HeaderDescriptor(headerName); 90descriptor = new HeaderDescriptor(knownHeader); 100descriptor = new HeaderDescriptor(HttpRuleParser.GetTokenString(headerName)); 131return new HeaderDescriptor(Name, customHeader: true);

46public HeaderDescriptor Descriptor => new HeaderDescriptor(this);

12(new HeaderDescriptor(":authority"), ""), // 0 13(new HeaderDescriptor(":path"), "/"), // 1 14(new HeaderDescriptor(KnownHeaders.Age), "0"), // 2 15(new HeaderDescriptor(KnownHeaders.ContentDisposition), ""), // 3 16(new HeaderDescriptor(KnownHeaders.ContentLength), "0"), // 4 17(new HeaderDescriptor(KnownHeaders.Cookie), ""), // 5 18(new HeaderDescriptor(KnownHeaders.Date), ""), // 6 19(new HeaderDescriptor(KnownHeaders.ETag), ""), // 7 20(new HeaderDescriptor(KnownHeaders.IfModifiedSince), ""), // 8 21(new HeaderDescriptor(KnownHeaders.IfNoneMatch), ""), // 9 22(new HeaderDescriptor(KnownHeaders.LastModified), ""), // 10 23(new HeaderDescriptor(KnownHeaders.Link), ""), // 11 24(new HeaderDescriptor(KnownHeaders.Location), ""), // 12 25(new HeaderDescriptor(KnownHeaders.Referer), ""), // 13 26(new HeaderDescriptor(KnownHeaders.SetCookie), ""), // 14 27(new HeaderDescriptor(":method"), "CONNECT"), // 15 28(new HeaderDescriptor(":method"), "DELETE"), // 16 29(new HeaderDescriptor(":method"), "GET"), // 17 30(new HeaderDescriptor(":method"), "HEAD"), // 18 31(new HeaderDescriptor(":method"), "OPTIONS"), // 19 32(new HeaderDescriptor(":method"), "POST"), // 20 33(new HeaderDescriptor(":method"), "PUT"), // 21 34(new HeaderDescriptor(":scheme"), "http"), // 22 35(new HeaderDescriptor(":scheme"), "https"), // 23 36(new HeaderDescriptor(KnownHeaders.PseudoStatus), "103"), // 24 37(new HeaderDescriptor(KnownHeaders.PseudoStatus), "200"), // 25 38(new HeaderDescriptor(KnownHeaders.PseudoStatus), "304"), // 26 39(new HeaderDescriptor(KnownHeaders.PseudoStatus), "404"), // 27 40(new HeaderDescriptor(KnownHeaders.PseudoStatus), "503"), // 28 41(new HeaderDescriptor(KnownHeaders.Accept), "*/*"), // 29 42(new HeaderDescriptor(KnownHeaders.Accept), "application/dns-message"), // 30 43(new HeaderDescriptor(KnownHeaders.AcceptEncoding), "gzip, deflate, br"), // 31 44(new HeaderDescriptor(KnownHeaders.AcceptRanges), "bytes"), // 32 45(new HeaderDescriptor(KnownHeaders.AccessControlAllowHeaders), "cache-control"), // 33 46(new HeaderDescriptor(KnownHeaders.AccessControlAllowHeaders), "content-type"), // 34 47(new HeaderDescriptor(KnownHeaders.AccessControlAllowOrigin), "*"), // 35 48(new HeaderDescriptor(KnownHeaders.CacheControl), "max-age=0"), // 36 49(new HeaderDescriptor(KnownHeaders.CacheControl), "max-age=2592000"), // 37 50(new HeaderDescriptor(KnownHeaders.CacheControl), "max-age=604800"), // 38 51(new HeaderDescriptor(KnownHeaders.CacheControl), "no-cache"), // 39 52(new HeaderDescriptor(KnownHeaders.CacheControl), "no-store"), // 40 53(new HeaderDescriptor(KnownHeaders.CacheControl), "public, max-age=31536000"), // 41 54(new HeaderDescriptor(KnownHeaders.ContentEncoding), "br"), // 42 55(new HeaderDescriptor(KnownHeaders.ContentEncoding), "gzip"), // 43 56(new HeaderDescriptor(KnownHeaders.ContentType), "application/dns-message"), // 44 57(new HeaderDescriptor(KnownHeaders.ContentType), "application/javascript"), // 45 58(new HeaderDescriptor(KnownHeaders.ContentType), "application/json"), // 46 59(new HeaderDescriptor(KnownHeaders.ContentType), "application/x-www-form-urlencoded"), // 47 60(new HeaderDescriptor(KnownHeaders.ContentType), "image/gif"), // 48 61(new HeaderDescriptor(KnownHeaders.ContentType), "image/jpeg"), // 49 62(new HeaderDescriptor(KnownHeaders.ContentType), "image/png"), // 50 63(new HeaderDescriptor(KnownHeaders.ContentType), "text/css"), // 51 64(new HeaderDescriptor(KnownHeaders.ContentType), "text/html; charset=utf-8"), // 52; Whitespace is correct, see spec. 65(new HeaderDescriptor(KnownHeaders.ContentType), "text/plain"), // 53 66(new HeaderDescriptor(KnownHeaders.ContentType), "text/plain;charset=utf-8"), // 54; Whitespace is correct, see spec. 67(new HeaderDescriptor(KnownHeaders.Range), "bytes=0-"), // 55 68(new HeaderDescriptor(KnownHeaders.StrictTransportSecurity), "max-age=31536000"), // 56 69(new HeaderDescriptor(KnownHeaders.StrictTransportSecurity), "max-age=31536000; includesubdomains"), // 57 70(new HeaderDescriptor(KnownHeaders.StrictTransportSecurity), "max-age=31536000; includesubdomains; preload"), // 58 71(new HeaderDescriptor(KnownHeaders.Vary), "accept-encoding"), // 59 72(new HeaderDescriptor(KnownHeaders.Vary), "origin"), // 60 73(new HeaderDescriptor(KnownHeaders.XContentTypeOptions), "nosniff"), // 61 74(new HeaderDescriptor(KnownHeaders.XXssProtection), "1; mode=block"), // 62 75(new HeaderDescriptor(KnownHeaders.PseudoStatus), "100"), // 63 76(new HeaderDescriptor(KnownHeaders.PseudoStatus), "204"), // 64 77(new HeaderDescriptor(KnownHeaders.PseudoStatus), "206"), // 65 78(new HeaderDescriptor(KnownHeaders.PseudoStatus), "302"), // 66 79(new HeaderDescriptor(KnownHeaders.PseudoStatus), "400"), // 67 80(new HeaderDescriptor(KnownHeaders.PseudoStatus), "403"), // 68 81(new HeaderDescriptor(KnownHeaders.PseudoStatus), "421"), // 69 82(new HeaderDescriptor(KnownHeaders.PseudoStatus), "425"), // 70 83(new HeaderDescriptor(KnownHeaders.PseudoStatus), "500"), // 71 84(new HeaderDescriptor(KnownHeaders.AcceptLanguage), ""), // 72 85(new HeaderDescriptor(KnownHeaders.AccessControlAllowCredentials), "FALSE"), // 73 86(new HeaderDescriptor(KnownHeaders.AccessControlAllowCredentials), "TRUE"), // 74 87(new HeaderDescriptor(KnownHeaders.AccessControlAllowHeaders), "*"), // 75 88(new HeaderDescriptor(KnownHeaders.AccessControlAllowMethods), "get"), // 76 89(new HeaderDescriptor(KnownHeaders.AccessControlAllowMethods), "get, post, options"), // 77 90(new HeaderDescriptor(KnownHeaders.AccessControlAllowMethods), "options"), // 78 91(new HeaderDescriptor(KnownHeaders.AccessControlExposeHeaders), "content-length"), // 79 92(new HeaderDescriptor("access-control-request-headers"), "content-type"), // 80 93(new HeaderDescriptor("access-control-request-method"), "get"), // 81 94(new HeaderDescriptor("access-control-request-method"), "post"), // 82 95(new HeaderDescriptor(KnownHeaders.AltSvc), "clear"), // 83 96(new HeaderDescriptor(KnownHeaders.Authorization), ""), // 84 97(new HeaderDescriptor(KnownHeaders.ContentSecurityPolicy), "script-src 'none'; object-src 'none'; base-uri 'none'"), // 85 98(new HeaderDescriptor("early-data"), "1"), // 86 99(new HeaderDescriptor(KnownHeaders.ExpectCT), ""), // 87 100(new HeaderDescriptor("forwarded"), ""), // 88 101(new HeaderDescriptor(KnownHeaders.IfRange), ""), // 89 102(new HeaderDescriptor(KnownHeaders.Origin), ""), // 90 103(new HeaderDescriptor("purpose"), "prefetch"), // 91 104(new HeaderDescriptor(KnownHeaders.Server), ""), // 92 105(new HeaderDescriptor(KnownHeaders.TimingAllowOrigin), "*"), // 93 106(new HeaderDescriptor(KnownHeaders.UpgradeInsecureRequests), "1"), // 94 107(new HeaderDescriptor(KnownHeaders.UserAgent), ""), // 95 108(new HeaderDescriptor("x-forwarded-for"), ""), // 96 109(new HeaderDescriptor(KnownHeaders.XFrameOptions), "deny"), // 97 110(new HeaderDescriptor(KnownHeaders.XFrameOptions), "sameorigin") // 98

23private readonly HeaderDescriptor[]? _propagatorFields; 38var fieldDescriptors = new List<HeaderDescriptor>(fields.Count); 41if (field is not null && HeaderDescriptor.TryGet(field, out HeaderDescriptor descriptor)) 100if (request.WasPropagatorStateInjectedByDiagnosticsHandler() && _propagatorFields is HeaderDescriptor[] fields) 102foreach (HeaderDescriptor field in fields) 361HeaderDescriptor descriptor = request.Headers.GetHeaderDescriptor(key);

16internal readonly struct HeaderDescriptor : IEquatable<HeaderDescriptor> 44public bool Equals(HeaderDescriptor other) 61public static bool TryGet(string headerName, out HeaderDescriptor descriptor) 74descriptor = default(HeaderDescriptor); 83public static bool TryGet(ReadOnlySpan<byte> headerName, out HeaderDescriptor descriptor) 96descriptor = default(HeaderDescriptor); 104internal static bool TryGetStaticQPackHeader(int index, out HeaderDescriptor descriptor, [NotNullWhen(true)] out string? knownValue) 109(HeaderDescriptor descriptor, string value)[] qpackStaticTable = QPackStaticTable.HeaderLookup; 127public HeaderDescriptor AsCustomHeader()

13private readonly HeaderDescriptor _header; 20internal HeaderStringValues(HeaderDescriptor descriptor, string value) 29internal HeaderStringValues(HeaderDescriptor descriptor, string[] values)

273internal static DateTimeOffset? GetDateTimeOffsetValue(HeaderDescriptor descriptor, HttpHeaders store, DateTimeOffset? defaultValue = null) 290internal static TimeSpan? GetTimeSpanValue(HeaderDescriptor descriptor, HttpHeaders store)

21public HeaderDescriptor Key; 24public HeaderEntry(HeaderDescriptor key, object value) 53/// <summary>Either a <see cref="HeaderEntry"/> array or a Dictionary&lt;<see cref="HeaderDescriptor"/>, <see cref="object"/>&gt; </summary> 79internal void Add(HeaderDescriptor descriptor, string? value) 108internal void Add(HeaderDescriptor descriptor, IEnumerable<string?> values) 161TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor) && 164internal bool TryAddWithoutValidation(HeaderDescriptor descriptor, string? value) 195TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor) && 198internal bool TryAddWithoutValidation(HeaderDescriptor descriptor, IEnumerable<string?> values) 262internal IEnumerable<string> GetValues(HeaderDescriptor descriptor) 274if (TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor)) 283internal bool TryGetValues(HeaderDescriptor descriptor, [NotNullWhen(true)] out IEnumerable<string>? values) 364internal string GetHeaderString(HeaderDescriptor descriptor) 417: ref CollectionsMarshal.GetValueRefOrNullRef((Dictionary<HeaderDescriptor, object>)_headerStore, entry.Key); 440internal void AddParsedValue(HeaderDescriptor descriptor, object value) 454internal void SetParsedValue(HeaderDescriptor descriptor, object value) 469internal void SetOrRemoveParsedValue(HeaderDescriptor descriptor, object? value) 483internal bool RemoveParsedValue(HeaderDescriptor descriptor, object value, bool removeAll = false) 578internal bool ContainsParsedValue(HeaderDescriptor descriptor, object value) 684private static HeaderStoreItemInfo CloneHeaderInfo(HeaderDescriptor descriptor, HeaderStoreItemInfo sourceInfo) 760private HeaderStoreItemInfo GetOrCreateHeaderInfo(HeaderDescriptor descriptor) 772private HeaderStoreItemInfo CreateAndAddHeaderToStore(HeaderDescriptor descriptor) 787internal bool TryGetHeaderValue(HeaderDescriptor descriptor, [NotNullWhen(true)] out object? value) 802private bool TryGetAndParseHeaderInfo(HeaderDescriptor key, [NotNullWhen(true)] out HeaderStoreItemInfo? info) 846private static void ParseRawHeaderValues(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 876private static void ParseSingleRawHeaderValue(HeaderStoreItemInfo info, HeaderDescriptor descriptor, string rawValue) 901internal bool TryParseAndAddValue(HeaderDescriptor descriptor, string? value) 925private static bool TryParseAndAddRawHeaderValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value, bool addWhenInvalid) 1055internal object? GetSingleParsedValue(HeaderDescriptor descriptor) 1065internal object? GetParsedAndInvalidValues(HeaderDescriptor descriptor) 1075internal virtual bool IsAllowedHeaderName(HeaderDescriptor descriptor) => true; 1077private void CheckIsAllowedHeaderName(HeaderDescriptor descriptor) 1085private void PrepareHeaderInfoForAdd(HeaderDescriptor descriptor, out HeaderStoreItemInfo info, out bool addToStore) 1097private static void ParseAndAddValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value) 1151internal HeaderDescriptor GetHeaderDescriptor(string name) 1155if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor)) 1172internal bool TryGetHeaderDescriptor(string name, out HeaderDescriptor descriptor) 1180if (HeaderDescriptor.TryGet(name, out descriptor)) 1212internal static string[] GetStoreValuesAsStringArray(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 1219internal static void GetStoreValuesAsStringOrStringArray(HeaderDescriptor descriptor, object sourceValues, out string? singleValue, out string[]? multiValue) 1255internal static int GetStoreValuesIntoStringArray(HeaderDescriptor descriptor, object sourceValues, [NotNull] ref string[]? values) 1465var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1468foreach (KeyValuePair<HeaderDescriptor, object> entry in dictionary) 1489private ref object GetValueRefOrNullRef(HeaderDescriptor key) 1507valueRef = ref CollectionsMarshal.GetValueRefOrNullRef((Dictionary<HeaderDescriptor, object>)store, key); 1513private ref object? GetValueRefOrAddDefault(HeaderDescriptor key) 1549ref object? GrowEntriesAndAddDefault(HeaderDescriptor key) 1566ref object? ConvertToDictionaryAndAddDefault(HeaderDescriptor key) 1569var dictionary = new Dictionary<HeaderDescriptor, object>(ArrayThreshold); 1579ref object? DictionaryGetValueRefOrAddDefault(HeaderDescriptor key) 1581var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1609internal bool Contains(HeaderDescriptor key) 1627internal bool Remove(HeaderDescriptor key) 1651removed = ((Dictionary<HeaderDescriptor, object>)store).Remove(key);

35headers.TryGetHeaderDescriptor(headerName, out HeaderDescriptor descriptor) && 65headers.TryGetHeaderDescriptor(headerName, out HeaderDescriptor descriptor) &&

35private readonly HeaderDescriptor _descriptor; 48internal HttpHeaderValueCollection(HeaderDescriptor descriptor, HttpHeaders store)

158internal override bool IsAllowedHeaderName(HeaderDescriptor descriptor)

46public HeaderDescriptor Descriptor => new HeaderDescriptor(this);

10internal static (HeaderDescriptor descriptor, string value)[] HeaderLookup { get; } = new (HeaderDescriptor descriptor, string value)[]

502private static readonly (HeaderDescriptor descriptor, byte[] value)[] s_hpackStaticHeaderTable = new (HeaderDescriptor, byte[])[LastHPackNormalHeaderId - FirstHPackNormalHeaderId + 1] 570(HeaderDescriptor descriptor, byte[] value) = s_hpackStaticHeaderTable[index - FirstHPackNormalHeaderId]; 593(HeaderDescriptor descriptor, _) = s_hpackStaticHeaderTable[index - FirstHPackNormalHeaderId]; 677private void OnHeader(HeaderDescriptor descriptor, ReadOnlySpan<byte> value) 751if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor))

49private List<(HeaderDescriptor name, string value)>? _trailingHeaders; 635_trailingHeaders = new List<(HeaderDescriptor name, string value)>(); 656foreach ((HeaderDescriptor name, string value) in _trailingHeaders) 1008if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor)) 1018GetStaticQPackHeader(index, out HeaderDescriptor descriptor, out string? knownValue); 1024GetStaticQPackHeader(index, out HeaderDescriptor descriptor, knownValue: out _); 1033private void GetStaticQPackHeader(int index, out HeaderDescriptor descriptor, out string? knownValue) 1035if (!HeaderDescriptor.TryGetStaticQPackHeader(index, out descriptor, out knownValue)) 1047private void OnHeader(int? staticIndex, HeaderDescriptor descriptor, string? staticValue, ReadOnlySpan<byte> literalValue)

1273if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor))

129/// <summary>Uses <see cref="HeaderDescriptor.GetHeaderValue"/>, but first special-cases several known headers for which we can use caching.</summary> 130public string GetResponseHeaderValueWithCaching(HeaderDescriptor descriptor, ReadOnlySpan<byte> value, Encoding? valueEncoding) 137static string GetOrAddCachedValue([NotNull] ref string? cache, HeaderDescriptor descriptor, ReadOnlySpan<byte> value, Encoding? encoding)