HttpEncoder.cs | searchcode

/System.Web/Util/HttpEncoder.cs

https://bitbucket.org/cosi2/dotnetanywhere-wb
C# | 887 lines | 817 code | 61 blank | 9 comment | 144 complexity | 660baeeeed116c46f40d5ebbc2f9639c MD5 | raw file

using System;

using System.Collections.Generic;

using System.Configuration;

using System.IO;

using System.Text;

using System.Globalization;

#if NET_4_0

using System.Web.Configuration;

#endif



namespace System.Web.Util

{

#if NET_4_0

	public

#endif

    class HttpEncoder

    {

        static char[] hexChars = "0123456789abcdef".ToCharArray();

        static object entitiesLock = new object();

        static SortedDictionary<string, char> entities;

#if NET_4_0

		static Lazy <HttpEncoder> defaultEncoder;

		static Lazy <HttpEncoder> currentEncoderLazy;

#else

        static HttpEncoder defaultEncoder;

#endif

        static HttpEncoder currentEncoder;



        static IDictionary<string, char> Entities

        {

            get

            {

                lock (entitiesLock)

                {

                    if (entities == null)

                        InitEntities();



                    return entities;

                }

            }

        }



        public static HttpEncoder Current

        {

            get

            {

#if NET_4_0

				if (currentEncoder == null)

					currentEncoder = currentEncoderLazy.Value;

#endif

                return currentEncoder;

            }

#if NET_4_0

			set {

				if (value == null)

					throw new ArgumentNullException ("value");

				currentEncoder = value;

			}

#endif

        }



        public static HttpEncoder Default

        {

            get

            {

#if NET_4_0

				return defaultEncoder.Value;

#else

                return defaultEncoder;

#endif

            }

        }



        static HttpEncoder()

        {

#if NET_4_0

			defaultEncoder = new Lazy <HttpEncoder> (() => new HttpEncoder ());

			currentEncoderLazy = new Lazy <HttpEncoder> (new Func <HttpEncoder> (GetCustomEncoderFromConfig));

#else

            defaultEncoder = new HttpEncoder();

            currentEncoder = defaultEncoder;

#endif

        }



        public HttpEncoder()

        {

        }

#if NET_4_0	

		protected internal virtual

#else

        internal static

#endif

 void HeaderNameValueEncode(string headerName, string headerValue, out string encodedHeaderName, out string encodedHeaderValue)

        {

            if (String.IsNullOrEmpty(headerName))

                encodedHeaderName = headerName;

            else

                encodedHeaderName = EncodeHeaderString(headerName);



            if (String.IsNullOrEmpty(headerValue))

                encodedHeaderValue = headerValue;

            else

                encodedHeaderValue = EncodeHeaderString(headerValue);

        }



        static void StringBuilderAppend(string s, ref StringBuilder sb)

        {

            if (sb == null)

                sb = new StringBuilder(s);

            else

                sb.Append(s);

        }



        static string EncodeHeaderString(string input)

        {

            StringBuilder sb = null;

            char ch;



            for (int i = 0; i < input.Length; i++)

            {

                ch = input[i];



                if ((ch < 32 && ch != 9) || ch == 127)

                    StringBuilderAppend(String.Format("%{0:x2}", (int)ch), ref sb);

            }



            if (sb != null)

                return sb.ToString();



            return input;

        }

#if NET_4_0		

		protected internal virtual void HtmlAttributeEncode (string value, TextWriter output)

		{



			if (output == null)

				throw new ArgumentNullException ("output");



			if (String.IsNullOrEmpty (value))

				return;



			output.Write (HtmlAttributeEncode (value));

		}



		protected internal virtual void HtmlDecode (string value, TextWriter output)

		{

			if (output == null)

				throw new ArgumentNullException ("output");



			output.Write (HtmlDecode (value));

		}



		protected internal virtual void HtmlEncode (string value, TextWriter output)

		{

			if (output == null)

				throw new ArgumentNullException ("output");



			output.Write (HtmlEncode (value));

		}



		protected internal virtual byte[] UrlEncode (byte[] bytes, int offset, int count)

		{

			return UrlEncodeToBytes (bytes, offset, count);

		}



		static HttpEncoder GetCustomEncoderFromConfig ()

		{

			var cfg = HttpRuntime.Section;

			string typeName = cfg.EncoderType;



			if (String.Compare (typeName, "System.Web.Util.HttpEncoder", StringComparison.OrdinalIgnoreCase) == 0)

				return Default;

			

			Type t = Type.GetType (typeName, false);

			if (t == null)

				throw new ConfigurationErrorsException (String.Format ("Could not load type '{0}'.", typeName));

			

			if (!typeof (HttpEncoder).IsAssignableFrom (t))

				throw new ConfigurationErrorsException (

					String.Format ("'{0}' is not allowed here because it does not extend class 'System.Web.Util.HttpEncoder'.", typeName)

				);



			return Activator.CreateInstance (t, false) as HttpEncoder;

		}

#endif

#if NET_4_0

		protected internal virtual

#else

        internal static

#endif

 string UrlPathEncode(string value)

        {

            if (String.IsNullOrEmpty(value))

                return value;



            MemoryStream result = new MemoryStream();

            int length = value.Length;

            for (int i = 0; i < length; i++)

                UrlPathEncodeChar(value[i], result);



            return Encoding.ASCII.GetString(result.ToArray());

        }



        internal static byte[] UrlEncodeToBytes(byte[] bytes, int offset, int count)

        {

            if (bytes == null)

                throw new ArgumentNullException("bytes");



            int blen = bytes.Length;

            if (blen == 0)

                return new byte[0];



            if (offset < 0 || offset >= blen)

                throw new ArgumentOutOfRangeException("offset");



            if (count < 0 || count > blen - offset)

                throw new ArgumentOutOfRangeException("count");



            MemoryStream result = new MemoryStream(count);

            int end = offset + count;

            for (int i = offset; i < end; i++)

                UrlEncodeChar((char)bytes[i], result, false);



            return result.ToArray();

        }



        internal static string HtmlEncode(string s)

        {

            if (s == null)

                return null;



            if (s.Length == 0)

                return String.Empty;



            bool needEncode = false;

            for (int i = 0; i < s.Length; i++)

            {

                char c = s[i];

                if (c == '&' || c == '"' || c == '<' || c == '>' || c > 159

#if NET_4_0

				    || c == '\''

#endif

)

                {

                    needEncode = true;

                    break;

                }

            }



            if (!needEncode)

                return s;



            StringBuilder output = new StringBuilder();

            char ch;

            int len = s.Length;



            for (int i = 0; i < len; i++)

            {

                switch (s[i])

                {

                    case '&':

                        output.Append("&amp;");

                        break;

                    case '>':

                        output.Append("&gt;");

                        break;

                    case '<':

                        output.Append("&lt;");

                        break;

                    case '"':

                        output.Append("&quot;");

                        break;

#if NET_4_0

					case '\'':

						output.Append ("&#39;");

						break;

#endif

                    case '\uff1c':

                        output.Append("&#65308;");

                        break;



                    case '\uff1e':

                        output.Append("&#65310;");

                        break;



                    default:

                        ch = s[i];

                        if (ch > 159 && ch < 256)

                        {

                            output.Append("&#");

                            output.Append(((int)ch).ToString(CultureInfo.InvariantCulture));

                            output.Append(";");

                        }

                        else

                            output.Append(ch);

                        break;

                }

            }



            return output.ToString();

        }



        internal static string HtmlAttributeEncode(string s)

        {

#if NET_4_0

			if (String.IsNullOrEmpty (s))

				return String.Empty;

#else

            if (s == null)

                return null;



            if (s.Length == 0)

                return String.Empty;

#endif

            bool needEncode = false;

            for (int i = 0; i < s.Length; i++)

            {

                char c = s[i];

                if (c == '&' || c == '"' || c == '<'

#if NET_4_0

				    || c == '\''

#endif

)

                {

                    needEncode = true;

                    break;

                }

            }



            if (!needEncode)

                return s;



            StringBuilder output = new StringBuilder();

            int len = s.Length;

            for (int i = 0; i < len; i++)

                switch (s[i])

                {

                    case '&':

                        output.Append("&amp;");

                        break;

                    case '"':

                        output.Append("&quot;");

                        break;

                    case '<':

                        output.Append("&lt;");

                        break;

#if NET_4_0

				case '\'':

					output.Append ("&#39;");

					break;

#endif

                    default:

                        output.Append(s[i]);

                        break;

                }



            return output.ToString();

        }



        internal static string HtmlDecode(string s)

        {

            if (s == null)

                return null;



            if (s.Length == 0)

                return String.Empty;



            if (s.IndexOf('&') == -1)

                return s;

#if NET_4_0

			StringBuilder rawEntity = new StringBuilder ();

#endif

            StringBuilder entity = new StringBuilder();

            StringBuilder output = new StringBuilder();

            int len = s.Length;

            // 0 -> nothing,

            // 1 -> right after '&'

            // 2 -> between '&' and ';' but no '#'

            // 3 -> '#' found after '&' and getting numbers

            int state = 0;

            int number = 0;

            bool is_hex_value = false;

            bool have_trailing_digits = false;



            for (int i = 0; i < len; i++)

            {

                char c = s[i];

                if (state == 0)

                {

                    if (c == '&')

                    {

                        entity.Append(c);

#if NET_4_0

						rawEntity.Append (c);

#endif

                        state = 1;

                    }

                    else

                    {

                        output.Append(c);

                    }

                    continue;

                }



                if (c == '&')

                {

                    state = 1;

                    if (have_trailing_digits)

                    {

                        entity.Append(number.ToString(CultureInfo.InvariantCulture));

                        have_trailing_digits = false;

                    }



                    output.Append(entity.ToString());

                    entity.Length = 0;

                    entity.Append('&');

                    continue;

                }



                if (state == 1)

                {

                    if (c == ';')

                    {

                        state = 0;

                        output.Append(entity.ToString());

                        output.Append(c);

                        entity.Length = 0;

                    }

                    else

                    {

                        number = 0;

                        is_hex_value = false;

                        if (c != '#')

                        {

                            state = 2;

                        }

                        else

                        {

                            state = 3;

                        }

                        entity.Append(c);

#if NET_4_0

						rawEntity.Append (c);

#endif

                    }

                }

                else if (state == 2)

                {

                    entity.Append(c);

                    if (c == ';')

                    {

                        string key = entity.ToString();

                        if (key.Length > 1 && Entities.ContainsKey(key.Substring(1, key.Length - 2)))

                            key = Entities[key.Substring(1, key.Length - 2)].ToString();



                        output.Append(key);

                        state = 0;

                        entity.Length = 0;

#if NET_4_0

						rawEntity.Length = 0;

#endif

                    }

                }

                else if (state == 3)

                {

                    if (c == ';')

                    {

#if NET_4_0

						if (number == 0)

							output.Append (rawEntity.ToString () + ";");

						else

#endif

                        if (number > 65535)

                        {

                            output.Append("&#");

                            output.Append(number.ToString(CultureInfo.InvariantCulture));

                            output.Append(";");

                        }

                        else

                        {

                            output.Append((char)number);

                        }

                        state = 0;

                        entity.Length = 0;

#if NET_4_0

						rawEntity.Length = 0;

#endif

                        have_trailing_digits = false;

                    }

                    else if (is_hex_value && Uri.IsHexDigit(c))

                    {

                        number = number * 16 + Uri.FromHex(c);

                        have_trailing_digits = true;

#if NET_4_0

						rawEntity.Append (c);

#endif

                    }

                    else if (Char.IsDigit(c))

                    {

                        number = number * 10 + ((int)c - '0');

                        have_trailing_digits = true;

#if NET_4_0

						rawEntity.Append (c);

#endif

                    }

                    else if (number == 0 && (c == 'x' || c == 'X'))

                    {

                        is_hex_value = true;

#if NET_4_0

						rawEntity.Append (c);

#endif

                    }

                    else

                    {

                        state = 2;

                        if (have_trailing_digits)

                        {

                            entity.Append(number.ToString(CultureInfo.InvariantCulture));

                            have_trailing_digits = false;

                        }

                        entity.Append(c);

                    }

                }

            }



            if (entity.Length > 0)

            {

                output.Append(entity.ToString());

            }

            else if (have_trailing_digits)

            {

                output.Append(number.ToString(CultureInfo.InvariantCulture));

            }

            return output.ToString();

        }



        internal static bool NotEncoded(char c)

        {

            return (c == '!' || c == '(' || c == ')' || c == '*' || c == '-' || c == '.' || c == '_'

#if !NET_4_0

 || c == '\''

#endif

);

        }



        internal static void UrlEncodeChar(char c, Stream result, bool isUnicode)

        {

            if (c > 255)

            {

                //FIXME: what happens when there is an internal error?

                //if (!isUnicode)

                //	throw new ArgumentOutOfRangeException ("c", c, "c must be less than 256");

                int idx;

                int i = (int)c;



                result.WriteByte((byte)'%');

                result.WriteByte((byte)'u');

                idx = i >> 12;

                result.WriteByte((byte)hexChars[idx]);

                idx = (i >> 8) & 0x0F;

                result.WriteByte((byte)hexChars[idx]);

                idx = (i >> 4) & 0x0F;

                result.WriteByte((byte)hexChars[idx]);

                idx = i & 0x0F;

                result.WriteByte((byte)hexChars[idx]);

                return;

            }



            if (c > ' ' && NotEncoded(c))

            {

                result.WriteByte((byte)c);

                return;

            }

            if (c == ' ')

            {

                result.WriteByte((byte)'+');

                return;

            }

            if ((c < '0') ||

                (c < 'A' && c > '9') ||

                (c > 'Z' && c < 'a') ||

                (c > 'z'))

            {

                if (isUnicode && c > 127)

                {

                    result.WriteByte((byte)'%');

                    result.WriteByte((byte)'u');

                    result.WriteByte((byte)'0');

                    result.WriteByte((byte)'0');

                }

                else

                    result.WriteByte((byte)'%');



                int idx = ((int)c) >> 4;

                result.WriteByte((byte)hexChars[idx]);

                idx = ((int)c) & 0x0F;

                result.WriteByte((byte)hexChars[idx]);

            }

            else

                result.WriteByte((byte)c);

        }



        internal static void UrlPathEncodeChar(char c, Stream result)

        {

            if (c < 33 || c > 126)

            {

                byte[] bIn = Encoding.UTF8.GetBytes(c.ToString());

                for (int i = 0; i < bIn.Length; i++)

                {

                    result.WriteByte((byte)'%');

                    int idx = ((int)bIn[i]) >> 4;

                    result.WriteByte((byte)hexChars[idx]);

                    idx = ((int)bIn[i]) & 0x0F;

                    result.WriteByte((byte)hexChars[idx]);

                }

            }

            else if (c == ' ')

            {

                result.WriteByte((byte)'%');

                result.WriteByte((byte)'2');

                result.WriteByte((byte)'0');

            }

            else

                result.WriteByte((byte)c);

        }



        static void InitEntities()

        {

            // Build the hash table of HTML entity references.  This list comes

            // from the HTML 4.01 W3C recommendation.

            entities = new SortedDictionary<string, char>(StringComparer.Ordinal);



            entities.Add("nbsp", '\u00A0');

            entities.Add("iexcl", '\u00A1');

            entities.Add("cent", '\u00A2');

            entities.Add("pound", '\u00A3');

            entities.Add("curren", '\u00A4');

            entities.Add("yen", '\u00A5');

            entities.Add("brvbar", '\u00A6');

            entities.Add("sect", '\u00A7');

            entities.Add("uml", '\u00A8');

            entities.Add("copy", '\u00A9');

            entities.Add("ordf", '\u00AA');

            entities.Add("laquo", '\u00AB');

            entities.Add("not", '\u00AC');

            entities.Add("shy", '\u00AD');

            entities.Add("reg", '\u00AE');

            entities.Add("macr", '\u00AF');

            entities.Add("deg", '\u00B0');

            entities.Add("plusmn", '\u00B1');

            entities.Add("sup2", '\u00B2');

            entities.Add("sup3", '\u00B3');

            entities.Add("acute", '\u00B4');

            entities.Add("micro", '\u00B5');

            entities.Add("para", '\u00B6');

            entities.Add("middot", '\u00B7');

            entities.Add("cedil", '\u00B8');

            entities.Add("sup1", '\u00B9');

            entities.Add("ordm", '\u00BA');

            entities.Add("raquo", '\u00BB');

            entities.Add("frac14", '\u00BC');

            entities.Add("frac12", '\u00BD');

            entities.Add("frac34", '\u00BE');

            entities.Add("iquest", '\u00BF');

            entities.Add("Agrave", '\u00C0');

            entities.Add("Aacute", '\u00C1');

            entities.Add("Acirc", '\u00C2');

            entities.Add("Atilde", '\u00C3');

            entities.Add("Auml", '\u00C4');

            entities.Add("Aring", '\u00C5');

            entities.Add("AElig", '\u00C6');

            entities.Add("Ccedil", '\u00C7');

            entities.Add("Egrave", '\u00C8');

            entities.Add("Eacute", '\u00C9');

            entities.Add("Ecirc", '\u00CA');

            entities.Add("Euml", '\u00CB');

            entities.Add("Igrave", '\u00CC');

            entities.Add("Iacute", '\u00CD');

            entities.Add("Icirc", '\u00CE');

            entities.Add("Iuml", '\u00CF');

            entities.Add("ETH", '\u00D0');

            entities.Add("Ntilde", '\u00D1');

            entities.Add("Ograve", '\u00D2');

            entities.Add("Oacute", '\u00D3');

            entities.Add("Ocirc", '\u00D4');

            entities.Add("Otilde", '\u00D5');

            entities.Add("Ouml", '\u00D6');

            entities.Add("times", '\u00D7');

            entities.Add("Oslash", '\u00D8');

            entities.Add("Ugrave", '\u00D9');

            entities.Add("Uacute", '\u00DA');

            entities.Add("Ucirc", '\u00DB');

            entities.Add("Uuml", '\u00DC');

            entities.Add("Yacute", '\u00DD');

            entities.Add("THORN", '\u00DE');

            entities.Add("szlig", '\u00DF');

            entities.Add("agrave", '\u00E0');

            entities.Add("aacute", '\u00E1');

            entities.Add("acirc", '\u00E2');

            entities.Add("atilde", '\u00E3');

            entities.Add("auml", '\u00E4');

            entities.Add("aring", '\u00E5');

            entities.Add("aelig", '\u00E6');

            entities.Add("ccedil", '\u00E7');

            entities.Add("egrave", '\u00E8');

            entities.Add("eacute", '\u00E9');

            entities.Add("ecirc", '\u00EA');

            entities.Add("euml", '\u00EB');

            entities.Add("igrave", '\u00EC');

            entities.Add("iacute", '\u00ED');

            entities.Add("icirc", '\u00EE');

            entities.Add("iuml", '\u00EF');

            entities.Add("eth", '\u00F0');

            entities.Add("ntilde", '\u00F1');

            entities.Add("ograve", '\u00F2');

            entities.Add("oacute", '\u00F3');

            entities.Add("ocirc", '\u00F4');

            entities.Add("otilde", '\u00F5');

            entities.Add("ouml", '\u00F6');

            entities.Add("divide", '\u00F7');

            entities.Add("oslash", '\u00F8');

            entities.Add("ugrave", '\u00F9');

            entities.Add("uacute", '\u00FA');

            entities.Add("ucirc", '\u00FB');

            entities.Add("uuml", '\u00FC');

            entities.Add("yacute", '\u00FD');

            entities.Add("thorn", '\u00FE');

            entities.Add("yuml", '\u00FF');

            entities.Add("fnof", '\u0192');

            entities.Add("Alpha", '\u0391');

            entities.Add("Beta", '\u0392');

            entities.Add("Gamma", '\u0393');

            entities.Add("Delta", '\u0394');

            entities.Add("Epsilon", '\u0395');

            entities.Add("Zeta", '\u0396');

            entities.Add("Eta", '\u0397');

            entities.Add("Theta", '\u0398');

            entities.Add("Iota", '\u0399');

            entities.Add("Kappa", '\u039A');

            entities.Add("Lambda", '\u039B');

            entities.Add("Mu", '\u039C');

            entities.Add("Nu", '\u039D');

            entities.Add("Xi", '\u039E');

            entities.Add("Omicron", '\u039F');

            entities.Add("Pi", '\u03A0');

            entities.Add("Rho", '\u03A1');

            entities.Add("Sigma", '\u03A3');

            entities.Add("Tau", '\u03A4');

            entities.Add("Upsilon", '\u03A5');

            entities.Add("Phi", '\u03A6');

            entities.Add("Chi", '\u03A7');

            entities.Add("Psi", '\u03A8');

            entities.Add("Omega", '\u03A9');

            entities.Add("alpha", '\u03B1');

            entities.Add("beta", '\u03B2');

            entities.Add("gamma", '\u03B3');

            entities.Add("delta", '\u03B4');

            entities.Add("epsilon", '\u03B5');

            entities.Add("zeta", '\u03B6');

            entities.Add("eta", '\u03B7');

            entities.Add("theta", '\u03B8');

            entities.Add("iota", '\u03B9');

            entities.Add("kappa", '\u03BA');

            entities.Add("lambda", '\u03BB');

            entities.Add("mu", '\u03BC');

            entities.Add("nu", '\u03BD');

            entities.Add("xi", '\u03BE');

            entities.Add("omicron", '\u03BF');

            entities.Add("pi", '\u03C0');

            entities.Add("rho", '\u03C1');

            entities.Add("sigmaf", '\u03C2');

            entities.Add("sigma", '\u03C3');

            entities.Add("tau", '\u03C4');

            entities.Add("upsilon", '\u03C5');

            entities.Add("phi", '\u03C6');

            entities.Add("chi", '\u03C7');

            entities.Add("psi", '\u03C8');

            entities.Add("omega", '\u03C9');

            entities.Add("thetasym", '\u03D1');

            entities.Add("upsih", '\u03D2');

            entities.Add("piv", '\u03D6');

            entities.Add("bull", '\u2022');

            entities.Add("hellip", '\u2026');

            entities.Add("prime", '\u2032');

            entities.Add("Prime", '\u2033');

            entities.Add("oline", '\u203E');

            entities.Add("frasl", '\u2044');

            entities.Add("weierp", '\u2118');

            entities.Add("image", '\u2111');

            entities.Add("real", '\u211C');

            entities.Add("trade", '\u2122');

            entities.Add("alefsym", '\u2135');

            entities.Add("larr", '\u2190');

            entities.Add("uarr", '\u2191');

            entities.Add("rarr", '\u2192');

            entities.Add("darr", '\u2193');

            entities.Add("harr", '\u2194');

            entities.Add("crarr", '\u21B5');

            entities.Add("lArr", '\u21D0');

            entities.Add("uArr", '\u21D1');

            entities.Add("rArr", '\u21D2');

            entities.Add("dArr", '\u21D3');

            entities.Add("hArr", '\u21D4');

            entities.Add("forall", '\u2200');

            entities.Add("part", '\u2202');

            entities.Add("exist", '\u2203');

            entities.Add("empty", '\u2205');

            entities.Add("nabla", '\u2207');

            entities.Add("isin", '\u2208');

            entities.Add("notin", '\u2209');

            entities.Add("ni", '\u220B');

            entities.Add("prod", '\u220F');

            entities.Add("sum", '\u2211');

            entities.Add("minus", '\u2212');

            entities.Add("lowast", '\u2217');

            entities.Add("radic", '\u221A');

            entities.Add("prop", '\u221D');

            entities.Add("infin", '\u221E');

            entities.Add("ang", '\u2220');

            entities.Add("and", '\u2227');

            entities.Add("or", '\u2228');

            entities.Add("cap", '\u2229');

            entities.Add("cup", '\u222A');

            entities.Add("int", '\u222B');

            entities.Add("there4", '\u2234');

            entities.Add("sim", '\u223C');

            entities.Add("cong", '\u2245');

            entities.Add("asymp", '\u2248');

            entities.Add("ne", '\u2260');

            entities.Add("equiv", '\u2261');

            entities.Add("le", '\u2264');

            entities.Add("ge", '\u2265');

            entities.Add("sub", '\u2282');

            entities.Add("sup", '\u2283');

            entities.Add("nsub", '\u2284');

            entities.Add("sube", '\u2286');

            entities.Add("supe", '\u2287');

            entities.Add("oplus", '\u2295');

            entities.Add("otimes", '\u2297');

            entities.Add("perp", '\u22A5');

            entities.Add("sdot", '\u22C5');

            entities.Add("lceil", '\u2308');

            entities.Add("rceil", '\u2309');

            entities.Add("lfloor", '\u230A');

            entities.Add("rfloor", '\u230B');

            entities.Add("lang", '\u2329');

            entities.Add("rang", '\u232A');

            entities.Add("loz", '\u25CA');

            entities.Add("spades", '\u2660');

            entities.Add("clubs", '\u2663');

            entities.Add("hearts", '\u2665');

            entities.Add("diams", '\u2666');

            entities.Add("quot", '\u0022');

            entities.Add("amp", '\u0026');

            entities.Add("lt", '\u003C');

            entities.Add("gt", '\u003E');

            entities.Add("OElig", '\u0152');

            entities.Add("oelig", '\u0153');

            entities.Add("Scaron", '\u0160');

            entities.Add("scaron", '\u0161');

            entities.Add("Yuml", '\u0178');

            entities.Add("circ", '\u02C6');

            entities.Add("tilde", '\u02DC');

            entities.Add("ensp", '\u2002');

            entities.Add("emsp", '\u2003');

            entities.Add("thinsp", '\u2009');

            entities.Add("zwnj", '\u200C');

            entities.Add("zwj", '\u200D');

            entities.Add("lrm", '\u200E');

            entities.Add("rlm", '\u200F');

            entities.Add("ndash", '\u2013');

            entities.Add("mdash", '\u2014');

            entities.Add("lsquo", '\u2018');

            entities.Add("rsquo", '\u2019');

            entities.Add("sbquo", '\u201A');

            entities.Add("ldquo", '\u201C');

            entities.Add("rdquo", '\u201D');

            entities.Add("bdquo", '\u201E');

            entities.Add("dagger", '\u2020');

            entities.Add("Dagger", '\u2021');

            entities.Add("permil", '\u2030');

            entities.Add("lsaquo", '\u2039');

            entities.Add("rsaquo", '\u203A');

            entities.Add("euro", '\u20AC');

        }

    }

}