AlienbrainHistoryParser.cs :  » Build-Systems » CruiseControl.NET » ThoughtWorks » CruiseControl » Core » Sourcecontrol » C# / CSharp Open Source

using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;

namespace ThoughtWorks.CruiseControl.Core.Sourcecontrol{
    public class AlienbrainHistoryParser : IHistoryParser
  {
    public static readonly string FILE_REGEX = ".*|.*|.*|.*|.*|.*|.*|.*";
    public static readonly char DELIMITER = '|';

    public Modification[] Parse(TextReader history, DateTime from, DateTime to)
    {
      string historyLog = history.ReadToEnd();

      Regex regex = new Regex(Alienbrain.NO_CHANGE);
      if (regex.Match(historyLog).Success == true)
      {
        return new Modification[0];
      }

      regex = new Regex(FILE_REGEX);
            var result = new List<Modification>();
      string oldfile = ",";

      for (Match match = regex.Match(historyLog); match.Success; match = match.NextMatch())
      {
        string[] modificationParams = AllModificationParams(match.Value);
        if (modificationParams.Length > 1)
        {
          string file = modificationParams[1];
          if (file != oldfile)
          {
            result.Add(ParseModification(modificationParams));
            oldfile = file;
          }
        }
      }
      return result.ToArray();
    }

    // strip carriage return, new line, and all leading and trailing characters from parameters
    public string[] AllModificationParams(string matchedLine)
    {
      matchedLine = matchedLine.Replace("\n",string.Empty);
      matchedLine = matchedLine.Replace("\r",string.Empty);
      string[] modificationParams = matchedLine.Split(DELIMITER);
      for (int ii = 0; ii < modificationParams.Length; ii++)
      {
        modificationParams[ii] = modificationParams[ii].Trim(' ');
      }
      return modificationParams;
    }

    // #CheckInComment#|#Name#|#DbPath#|#SCIT#|#Mime Type#|#LocalPath#|#Changed By#|#NxN_VersionNumber#
    public Modification ParseModification(string[] modificationParams)
    {
      Modification modification = new Modification();
      modification.Comment = modificationParams[0];
      modification.FileName = modificationParams[1];
      modification.FolderName = "ab:/" + modificationParams[2].Replace("/" + modificationParams[1],string.Empty);
      modification.ModifiedTime = DateTime.FromFileTime(long.Parse(modificationParams[3]));
      modification.Type = modificationParams[4];
      modification.Url = modificationParams[5];
      modification.UserName = modificationParams[6];
      modification.Version = modificationParams[7];

      return modification;
    }
  }
}