using System;
using Microsoft.SPOT;

namespace UTILS
{
    public static class StringExtensions
    {
        // Replace all occurances of the 'find' string with the 'replace' string.
        public static string Replace(this string content, string find, string replace)
        {
            int startFrom = 0;
            int findItemLength = find.Length;

            int firstFound = content.IndexOf(find, startFrom);
            StringBuilder returning = new StringBuilder();

            string workingString = content;

            while ((firstFound = workingString.IndexOf(find, startFrom)) >= 0)
            {
                returning.Append(workingString.Substring(0, firstFound));
                returning.Append(replace);

                // the remaining part of the string.
                workingString = workingString.Substring(firstFound + findItemLength, workingString.Length - (firstFound + findItemLength));
            }

            returning.Append(workingString);

            return returning.ToString();
        }
    }
}