using BeetleX.Light.Memory; using System; using System.Collections.Generic; using System.Globalization; using System.Text; using System.Text.Encodings.Web; using System.Text.Unicode; using System.Threading.Tasks; namespace PlatformBenchmarks { public partial class HttpHandler { static readonly HtmlEncoder htmlEncoder = CreateHtmlEncoder(); static HtmlEncoder CreateHtmlEncoder() { var settings = new TextEncoderSettings(UnicodeRanges.BasicLatin, UnicodeRanges.Katakana, UnicodeRanges.Hiragana); settings.AllowCharacter('\u2014'); // allow EM DASH through return HtmlEncoder.Create(settings); } private readonly static AsciiString _fortunesTableStart = "Fortunes"; private readonly static AsciiString _fortunesRowStart = ""; private readonly static AsciiString _fortunesTableEnd = "
idmessage
"; private readonly static AsciiString _fortunesColumn = ""; private readonly static AsciiString _fortunesRowEnd = "
"; public async Task fortunes(IStreamWriter stream) { ContentLengthMemory content = new ContentLengthMemory(); try { var data = await this._db.LoadFortunesRows(); stream.Write(_HtmlResultPreamble.Data, 0, _HtmlResultPreamble.Length); content.Data = GetContentLengthMemory(stream); GMTDate.Default.Write(stream); stream.WriteSequenceNetStream.StartWriteLength(); stream.Write(_fortunesTableStart.Data, 0, _fortunesTableStart.Length); foreach (var item in data) { stream.Write(_fortunesRowStart.Data, 0, _fortunesRowStart.Length); stream.WriteString(item.Id.ToString(CultureInfo.InvariantCulture)); stream.Write(_fortunesColumn.Data, 0, _fortunesColumn.Length); stream.WriteString(htmlEncoder.Encode(item.Message)); stream.Write(_fortunesRowEnd.Data, 0, _fortunesRowEnd.Length); } stream.Write(_fortunesTableEnd.Data, 0, _fortunesTableEnd.Length); } catch (Exception e_) { Context.GetLoger(BeetleX.Light.Logs.LogLevel.Error)?.WriteException(Context, "PlatformBenchmarks", "fortunes", e_); stream.WriteString(e_.Message); } var len = stream.WriteSequenceNetStream.EndWriteLength(); content.Full(len); } internal void WriteNumeric(IStreamWriter stream, uint number) { const byte AsciiDigitStart = (byte)'0'; if (number < 10) { stream.WriteByte((byte)(number + AsciiDigitStart)); } else if (number < 100) { var tens = (byte)((number * 205u) >> 11); // div10, valid to 1028 var span = new byte[2]; span[0] = (byte)(tens + AsciiDigitStart); span[1] = (byte)(number - (tens * 10) + AsciiDigitStart); stream.Write(span, 0, 2); } else if (number < 1000) { var digit0 = (byte)((number * 41u) >> 12); // div100, valid to 1098 var digits01 = (byte)((number * 205u) >> 11); // div10, valid to 1028 var span = new byte[3]; span[0] = (byte)(digit0 + AsciiDigitStart); span[1] = (byte)(digits01 - (digit0 * 10) + AsciiDigitStart); span[2] = (byte)(number - (digits01 * 10) + AsciiDigitStart); stream.Write(span, 0, 3); } } } }