ParseHeaderNameValue()

static void System.Net.Http.HttpConnection.ParseHeaderNameValue ( HttpConnection connection, ReadOnlySpan< byte > line, HttpResponseMessage response, bool isFromTrailer )

inlinestaticprivate

Definition at line 1834 of file HttpConnection.cs.

    {
        int i = 0;
        while (line[i] != 58 && line[i] != 32)
        {
            i++;
            if (i == line.Length)
            {
                throw new HttpRequestException(System.SR.Format(System.SR.net_http_invalid_response_header_line, Encoding.ASCII.GetString(line)));
            }
        }
        if (i == 0)
        {
            throw new HttpRequestException(System.SR.Format(System.SR.net_http_invalid_response_header_name, ""));
        }
        if (!HeaderDescriptor.TryGet(line.Slice(0, i), out var descriptor))
        {
            throw new HttpRequestException(System.SR.Format(System.SR.net_http_invalid_response_header_name, Encoding.ASCII.GetString(line.Slice(0, i))));
        }
        if (isFromTrailer && descriptor.KnownHeader != null && (descriptor.KnownHeader.HeaderType & HttpHeaderType.NonTrailing) == HttpHeaderType.NonTrailing)
        {
            if (System.Net.NetEventSource.Log.IsEnabled())
            {
                connection.Trace("Stripping forbidden " + descriptor.Name + " from trailer headers.", "ParseHeaderNameValue");
            }
            return;
        }
        while (line[i] == 32)
        {
            i++;
            if (i == line.Length)
            {
                throw new HttpRequestException(System.SR.Format(System.SR.net_http_invalid_response_header_line, Encoding.ASCII.GetString(line)));
            }
        }
        if (line[i++] != 58)
        {
            throw new HttpRequestException(System.SR.Format(System.SR.net_http_invalid_response_header_line, Encoding.ASCII.GetString(line)));
        }
        for (; i < line.Length && (line[i] == 32 || line[i] == 9); i++)
        {
        }
        Encoding valueEncoding = connection._pool.Settings._responseHeaderEncodingSelector?.Invoke(descriptor.Name, response.RequestMessage);
        ReadOnlySpan<byte> readOnlySpan = line.Slice(i);
        if (isFromTrailer)
        {
            string headerValue = descriptor.GetHeaderValue(readOnlySpan, valueEncoding);
            response.TrailingHeaders.TryAddWithoutValidation(((descriptor.HeaderType & HttpHeaderType.Request) == HttpHeaderType.Request) ? descriptor.AsCustomHeader() : descriptor, headerValue);
        }
        else if ((descriptor.HeaderType & HttpHeaderType.Content) == HttpHeaderType.Content)
        {
            string headerValue2 = descriptor.GetHeaderValue(readOnlySpan, valueEncoding);
            response.Content.Headers.TryAddWithoutValidation(descriptor, headerValue2);
        }
        else
        {
            string responseHeaderValueWithCaching = connection.GetResponseHeaderValueWithCaching(descriptor, readOnlySpan, valueEncoding);
            response.Headers.TryAddWithoutValidation(((descriptor.HeaderType & HttpHeaderType.Request) == HttpHeaderType.Request) ? descriptor.AsCustomHeader() : descriptor, responseHeaderValueWithCaching);
        }
    }

References System.Net.Http.HttpConnection._pool, System.Net.Http.HttpConnectionSettings._responseHeaderEncodingSelector, System.Text.Encoding.ASCII, System.SR.Format(), System.Net.Http.HttpConnectionBase.GetResponseHeaderValueWithCaching(), System.Net.NetEventSource.Log, System.SR.net_http_invalid_response_header_line, System.SR.net_http_invalid_response_header_name, System.Net.Http.HttpConnectionPool.Settings, System.Net.Http.HttpConnection.Trace(), and System.Net.Http.Headers.HeaderDescriptor.TryGet().

Referenced by System.Net.Http.HttpConnection.ChunkedEncodingReadStream.ReadChunkFromConnectionBuffer(), and System.Net.Http.HttpConnection.SendAsyncCore().