106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
using System.Globalization;
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namespace CodexPlugin
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{
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public class CodexLogLine
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{
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public static CodexLogLine? Parse(string line)
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{
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try
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{
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if (string.IsNullOrEmpty(line) ||
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line.Length < 34 ||
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line[3] != ' ' ||
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line[33] != ' ') return null;
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line = line.Replace(Environment.NewLine, string.Empty);
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var level = line.Substring(0, 3);
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var dtLine = line.Substring(4, 23);
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var firstEqualSign = line.IndexOf('=');
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var msgStart = 34;
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var msgEnd = line.Substring(0, firstEqualSign).LastIndexOf(' ');
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var msg = line.Substring(msgStart, msgEnd - msgStart).Trim();
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var attrsLine = line.Substring(msgEnd);
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var attrs = SplitAttrs(attrsLine);
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var format = "yyyy-MM-dd HH:mm:ss.fff";
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var dt = DateTime.ParseExact(dtLine, format, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal).ToUniversalTime();
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return new CodexLogLine()
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{
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LogLevel = level,
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TimestampUtc = dt,
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Message = msg,
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Attributes = attrs
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};
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}
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catch
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{
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return null;
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}
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}
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public string LogLevel { get; set; } = string.Empty;
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public DateTime TimestampUtc { get; set; }
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public string Message { get; set; } = string.Empty;
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public Dictionary<string, string> Attributes { get; private set; } = new Dictionary<string, string>();
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/// <summary>
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/// After too much time spent cursing at regexes, here's what I got:
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/// Parses input string into 'key=value' pair, considerate of quoted (") values.
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/// </summary>
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private static Dictionary<string, string> SplitAttrs(string input)
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{
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input += " ";
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var result = new Dictionary<string, string>();
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var key = string.Empty;
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var value = string.Empty;
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var mode = 1;
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var inQuote = false;
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foreach (var c in input)
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{
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if (mode == 1)
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{
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if (c == '=') mode = 2;
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else if (c == ' ')
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{
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if (string.IsNullOrEmpty(key)) continue;
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else
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{
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result.Add(key, string.Empty);
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key = string.Empty;
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value = string.Empty;
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}
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}
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else key += c;
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}
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else if (mode == 2)
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{
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if (c == ' ' && !inQuote)
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{
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result.Add(key, value);
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key = string.Empty;
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value = string.Empty;
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mode = 1;
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}
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else if (c == '\"')
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{
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inQuote = !inQuote;
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}
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else
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{
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value += c;
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}
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}
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}
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return result;
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}
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}
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}
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