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) 561internal bool ContainsParsedValue(HeaderDescriptor descriptor, object value) 667private static HeaderStoreItemInfo CloneHeaderInfo(HeaderDescriptor descriptor, HeaderStoreItemInfo sourceInfo) 743private HeaderStoreItemInfo GetOrCreateHeaderInfo(HeaderDescriptor descriptor) 755private HeaderStoreItemInfo CreateAndAddHeaderToStore(HeaderDescriptor descriptor) 770internal bool TryGetHeaderValue(HeaderDescriptor descriptor, [NotNullWhen(true)] out object? value) 785private bool TryGetAndParseHeaderInfo(HeaderDescriptor key, [NotNullWhen(true)] out HeaderStoreItemInfo? info) 829private static void ParseRawHeaderValues(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 859private static void ParseSingleRawHeaderValue(HeaderStoreItemInfo info, HeaderDescriptor descriptor, string rawValue) 884internal bool TryParseAndAddValue(HeaderDescriptor descriptor, string? value) 908private static bool TryParseAndAddRawHeaderValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value, bool addWhenInvalid) 1038internal object? GetSingleParsedValue(HeaderDescriptor descriptor) 1048internal object? GetParsedAndInvalidValues(HeaderDescriptor descriptor) 1058internal virtual bool IsAllowedHeaderName(HeaderDescriptor descriptor) => true; 1060private void CheckIsAllowedHeaderName(HeaderDescriptor descriptor) 1068private void PrepareHeaderInfoForAdd(HeaderDescriptor descriptor, out HeaderStoreItemInfo info, out bool addToStore) 1080private static void ParseAndAddValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value) 1134internal HeaderDescriptor GetHeaderDescriptor(string name) 1138if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor)) 1155internal bool TryGetHeaderDescriptor(string name, out HeaderDescriptor descriptor) 1163if (HeaderDescriptor.TryGet(name, out descriptor)) 1195internal static string[] GetStoreValuesAsStringArray(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 1202internal static void GetStoreValuesAsStringOrStringArray(HeaderDescriptor descriptor, object sourceValues, out string? singleValue, out string[]? multiValue) 1238internal static int GetStoreValuesIntoStringArray(HeaderDescriptor descriptor, object sourceValues, [NotNull] ref string[]? values) 1448var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1451foreach (KeyValuePair<HeaderDescriptor, object> entry in dictionary) 1472private ref object GetValueRefOrNullRef(HeaderDescriptor key) 1490valueRef = ref CollectionsMarshal.GetValueRefOrNullRef((Dictionary<HeaderDescriptor, object>)store, key); 1496private ref object? GetValueRefOrAddDefault(HeaderDescriptor key) 1533ref object? GrowEntriesAndAddDefault(HeaderDescriptor key) 1550ref object? ConvertToDictionaryAndAddDefault(HeaderDescriptor key) 1553var dictionary = new Dictionary<HeaderDescriptor, object>(ArrayThreshold); 1563ref object? DictionaryGetValueRefOrAddDefault(HeaderDescriptor key) 1565var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1593internal bool Contains(HeaderDescriptor key) 1611internal bool Remove(HeaderDescriptor key) 1635removed = ((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)