JsonFx.BuildTools.HtmlDistiller.HtmlDistiller.HtmlAttributeEncode C# (CSharp) Method

        public static void HtmlAttributeEncode(string value, TextWriter writer)
        {
            if (String.IsNullOrEmpty(value))
            {
                return;
            }

            int index = 0,
                last = 0,
                length = value.Length;

            for (; index < length; index++)
            {
                string replacement;
                switch (value[index])
                {
                    case '"':
                    {
                        replacement = "&quot;";
                        break;
                    }
                    case '&':
                    {
                        replacement = "&amp;";
                        break;
                    }
                    case '<':
                    {
                        replacement = "&lt;";
                        break;
                    }
                    default:
                    {
                        continue;
                    }
                }

                writer.Write(value.Substring(last, index-last));
                writer.Write(replacement);
                last = index+1;
            }

            if (last < length)
            {
                writer.Write(value.Substring(last));
            }
        }