66descriptor = new HeaderDescriptor(knownHeader); 76descriptor = new HeaderDescriptor(headerName); 88descriptor = new HeaderDescriptor(knownHeader); 98descriptor = new HeaderDescriptor(HttpRuleParser.GetTokenString(headerName)); 129return new HeaderDescriptor(Name, customHeader: true);

49public 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("timing-allow-origin"), "*"), // 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; 36var fieldDescriptors = new List<HeaderDescriptor>(fields.Count); 39if (field is not null && HeaderDescriptor.TryGet(field, out HeaderDescriptor descriptor)) 98if (request.WasPropagatorStateInjectedByDiagnosticsHandler() && _propagatorFields is HeaderDescriptor[] fields) 100foreach (HeaderDescriptor field in fields) 350HeaderDescriptor.TryGet(key, out HeaderDescriptor descriptor) &&

16internal readonly struct HeaderDescriptor : IEquatable<HeaderDescriptor> 42public bool Equals(HeaderDescriptor other) 59public static bool TryGet(string headerName, out HeaderDescriptor descriptor) 72descriptor = default(HeaderDescriptor); 81public static bool TryGet(ReadOnlySpan<byte> headerName, out HeaderDescriptor descriptor) 94descriptor = default(HeaderDescriptor); 102internal static bool TryGetStaticQPackHeader(int index, out HeaderDescriptor descriptor, [NotNullWhen(true)] out string? knownValue) 107(HeaderDescriptor descriptor, string value)[] qpackStaticTable = QPackStaticTable.HeaderLookup; 125public 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) 99internal void Add(HeaderDescriptor descriptor, IEnumerable<string?> values) 131TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor) && 134internal bool TryAddWithoutValidation(HeaderDescriptor descriptor, string? value) 165TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor) && 168internal bool TryAddWithoutValidation(HeaderDescriptor descriptor, IEnumerable<string?> values) 232internal IEnumerable<string> GetValues(HeaderDescriptor descriptor) 244if (TryGetHeaderDescriptor(name, out HeaderDescriptor descriptor)) 253internal bool TryGetValues(HeaderDescriptor descriptor, [NotNullWhen(true)] out IEnumerable<string>? values) 317internal string GetHeaderString(HeaderDescriptor descriptor) 362: ref CollectionsMarshal.GetValueRefOrNullRef((Dictionary<HeaderDescriptor, object>)_headerStore, entry.Key); 385internal void AddParsedValue(HeaderDescriptor descriptor, object value) 399internal void SetParsedValue(HeaderDescriptor descriptor, object value) 414internal void SetOrRemoveParsedValue(HeaderDescriptor descriptor, object? value) 428internal bool RemoveParsedValue(HeaderDescriptor descriptor, object value) 506internal bool ContainsParsedValue(HeaderDescriptor descriptor, object value) 612private static HeaderStoreItemInfo CloneHeaderInfo(HeaderDescriptor descriptor, HeaderStoreItemInfo sourceInfo) 688private HeaderStoreItemInfo GetOrCreateHeaderInfo(HeaderDescriptor descriptor) 700private HeaderStoreItemInfo CreateAndAddHeaderToStore(HeaderDescriptor descriptor) 715internal bool TryGetHeaderValue(HeaderDescriptor descriptor, [NotNullWhen(true)] out object? value) 730private bool TryGetAndParseHeaderInfo(HeaderDescriptor key, [NotNullWhen(true)] out HeaderStoreItemInfo? info) 774private static void ParseRawHeaderValues(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 804private static void ParseSingleRawHeaderValue(HeaderStoreItemInfo info, HeaderDescriptor descriptor, string rawValue) 829internal bool TryParseAndAddValue(HeaderDescriptor descriptor, string? value) 853private static bool TryParseAndAddRawHeaderValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value, bool addWhenInvalid) 983internal object? GetSingleParsedValue(HeaderDescriptor descriptor) 993internal object? GetParsedAndInvalidValues(HeaderDescriptor descriptor) 1003internal virtual bool IsAllowedHeaderName(HeaderDescriptor descriptor) => true; 1005private void PrepareHeaderInfoForAdd(HeaderDescriptor descriptor, out HeaderStoreItemInfo info, out bool addToStore) 1020private static void ParseAndAddValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, string? value) 1082private HeaderDescriptor GetHeaderDescriptor(string name) 1086if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor)) 1103internal bool TryGetHeaderDescriptor(string name, out HeaderDescriptor descriptor) 1111if (HeaderDescriptor.TryGet(name, out descriptor)) 1143internal static string[] GetStoreValuesAsStringArray(HeaderDescriptor descriptor, HeaderStoreItemInfo info) 1150internal static void GetStoreValuesAsStringOrStringArray(HeaderDescriptor descriptor, object sourceValues, out string? singleValue, out string[]? multiValue) 1186internal static int GetStoreValuesIntoStringArray(HeaderDescriptor descriptor, object sourceValues, [NotNull] ref string[]? values) 1396var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1399foreach (KeyValuePair<HeaderDescriptor, object> entry in dictionary) 1420private ref object GetValueRefOrNullRef(HeaderDescriptor key) 1438valueRef = ref CollectionsMarshal.GetValueRefOrNullRef((Dictionary<HeaderDescriptor, object>)store, key); 1444private ref object? GetValueRefOrAddDefault(HeaderDescriptor key) 1481ref object? GrowEntriesAndAddDefault(HeaderDescriptor key) 1498ref object? ConvertToDictionaryAndAddDefault(HeaderDescriptor key) 1501var dictionary = new Dictionary<HeaderDescriptor, object>(ArrayThreshold); 1511ref object? DictionaryGetValueRefOrAddDefault(HeaderDescriptor key) 1513var dictionary = (Dictionary<HeaderDescriptor, object>)_headerStore!; 1541internal bool Contains(HeaderDescriptor key) 1559internal bool Remove(HeaderDescriptor key) 1583removed = ((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)

49public 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))

47private List<(HeaderDescriptor name, string value)>? _trailingHeaders; 564_trailingHeaders = new List<(HeaderDescriptor name, string value)>(); 602foreach ((HeaderDescriptor name, string value) in _trailingHeaders) 954if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor)) 964GetStaticQPackHeader(index, out HeaderDescriptor descriptor, out string? knownValue); 970GetStaticQPackHeader(index, out HeaderDescriptor descriptor, knownValue: out _); 979private void GetStaticQPackHeader(int index, out HeaderDescriptor descriptor, out string? knownValue) 981if (!HeaderDescriptor.TryGetStaticQPackHeader(index, out descriptor, out knownValue)) 993private void OnHeader(int? staticIndex, HeaderDescriptor descriptor, string? staticValue, ReadOnlySpan<byte> literalValue) 1365_trailingHeaders = new List<(HeaderDescriptor name, string value)>();

1271if (!HeaderDescriptor.TryGet(name, out HeaderDescriptor descriptor))

128/// <summary>Uses <see cref="HeaderDescriptor.GetHeaderValue"/>, but first special-cases several known headers for which we can use caching.</summary> 129public string GetResponseHeaderValueWithCaching(HeaderDescriptor descriptor, ReadOnlySpan<byte> value, Encoding? valueEncoding) 136static string GetOrAddCachedValue([NotNull] ref string? cache, HeaderDescriptor descriptor, ReadOnlySpan<byte> value, Encoding? encoding)