Convert a stream of text lines separated with newline sequences into an XML build result.

     
//CruiseControl is open source software and is developed and maintained by a group of dedicated volunteers. 
//CruiseControl is distributed under a BSD-style license.
//http://cruisecontrol.sourceforge.net/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace ThoughtWorks.CruiseControl.Core.Util
{
    /// <summary>
    /// Class with handy stirng routines
    /// </summary>
    public class StringUtil
    {

        /// <summary>
        /// Convert a stream of text lines separated with newline sequences into an XML build result.
        /// </summary>
        /// <param name="input">the text stream</param>
        /// <param name="msgLevel">the message level, if any.  Values are "Error" and "Warning".</param>
        /// <returns>the build result string</returns>
        /// <remarks>If there are any non-blank lines in the input, they are each wrapped in a
        /// <code>&lt;message&gt;</code> element and the entire set is wrapped in a
        /// <code>&lt;buildresults&gt;</code> element and returned.  Each line of the input is encoded
        /// as XML CDATA rules require.  If the input is empty or contains only whitspace, an 
        /// empty string is returned.
        /// Note: If we can't manage to understand the input, we just return it unchanged.
        /// </remarks>
        public static string MakeBuildResult(string input, string msgLevel)
        {
            StringBuilder sb = new StringBuilder();

            // Pattern for capturing a line of text, exclusive of the line-ending sequence.
            // A "line" is an non-empty unbounded sequence of characters followed by some 
            // kind of line-ending sequence (CR, LF, or any combination thereof) or 
            // end-of-string.
            Regex linePattern = new Regex(@"([^\r\n]+)");

            MatchCollection lines = linePattern.Matches(input);
            if (lines.Count > 0)
            {
                sb.Append(Environment.NewLine);
                sb.Append("<buildresults>");
                sb.Append(Environment.NewLine);
                foreach (Match line in lines)
                {
                    sb.Append("  <message");
                    if (msgLevel != string.Empty)
                        sb.AppendFormat(" level=\"{0}\"", msgLevel);
                    sb.Append(">");
                    sb.Append(line.ToString());
                    sb.Append("</message>");
                    sb.Append(Environment.NewLine);
                }
                sb.Append("</buildresults>");
                sb.Append(Environment.NewLine);
            }
            else
                sb.Append(input); // All of that stuff failed, just return our input
            return sb.ToString();
        }
   }
}

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Convert a stream of text lines separated with newline sequences into an XML build result. : XML Read « XML « C# / C Sharp

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