// Tim Coleman (tim@timcoleman.com)
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
-// Copyright (C) 2005-2009 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
return sb.ToString ();
}
}
- #region Fields
-
- static Hashtable entities;
- static object lock_ = new object ();
-
- #endregion // Fields
-
- static Hashtable Entities {
- get {
- lock (lock_) {
- if (entities == null)
- InitEntities ();
-
- return entities;
- }
- }
- }
#region Constructors
- static void InitEntities ()
- {
- // Build the hash table of HTML entity references. This list comes
- // from the HTML 4.01 W3C recommendation.
- entities = new Hashtable ();
- 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');
- }
-
public HttpUtility ()
{
}
public static void HtmlAttributeEncode (string s, TextWriter output)
{
- output.Write(HtmlAttributeEncode(s));
+ if (output == null) {
+#if NET_4_0
+ throw new ArgumentNullException ("output");
+#else
+ throw new NullReferenceException (".NET emulation");
+#endif
+ }
+#if NET_4_0
+ HttpEncoder.Current.HtmlAttributeEncode (s, output);
+#else
+ output.Write (HttpEncoder.HtmlAttributeEncode (s));
+#endif
}
public static string HtmlAttributeEncode (string s)
{
- if (null == s)
- return null;
-
- 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 (s == null)
+ return null;
+
+ using (var sw = new StringWriter ()) {
+ HttpEncoder.Current.HtmlAttributeEncode (s, sw);
+ return sw.ToString ();
}
-
- 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 ("&");
- break;
- case '"' :
- output.Append (""");
- break;
- case '<':
- output.Append ("<");
- break;
-#if NET_4_0
- case '\'':
- output.Append ("'");
- break;
+#else
+ return HttpEncoder.HtmlAttributeEncode (s);
#endif
- default:
- output.Append (s [i]);
- break;
- }
-
- return output.ToString();
}
public static string UrlDecode (string str)
for (int i = 0; i < len; i++) {
char c = s [i];
if ((c < '0') || (c < 'A' && c > '9') || (c > 'Z' && c < 'a') || (c > 'z')) {
- if (NotEncoded (c))
+ if (HttpEncoder.NotEncoded (c))
continue;
needEncode = true;
return null;
if (bytes.Length == 0)
- return "";
+ return String.Empty;
return Encoding.ASCII.GetString (UrlEncodeToBytes (bytes, 0, bytes.Length));
}
return null;
if (bytes.Length == 0)
- return "";
+ return String.Empty;
return Encoding.ASCII.GetString (UrlEncodeToBytes (bytes, offset, count));
}
if (str == null)
return null;
- if (str == "")
+ if (str.Length == 0)
return new byte [0];
byte [] bytes = e.GetBytes (str);
return UrlEncodeToBytes (bytes, 0, bytes.Length);
}
- static char [] hexChars = "0123456789abcdef".ToCharArray ();
-
- static bool NotEncoded (char c)
- {
- return (c == '!' || c == '(' || c == ')' || c == '*' || c == '-' || c == '.' || c == '_'
-#if !NET_4_0
- || c == '\''
-#endif
- );
- }
-
- 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);
- }
-
public static byte [] UrlEncodeToBytes (byte [] bytes, int offset, int count)
{
if (bytes == null)
return null;
-
- int len = bytes.Length;
- if (len == 0)
- return new byte [0];
-
- if (offset < 0 || offset >= len)
- throw new ArgumentOutOfRangeException("offset");
-
- if (count < 0 || count > len - 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();
+#if NET_4_0
+ return HttpEncoder.Current.UrlEncode (bytes, offset, count);
+#else
+ return HttpEncoder.UrlEncodeToBytes (bytes, offset, count);
+#endif
}
public static string UrlEncodeUnicode (string str)
if (str == null)
return null;
- if (str == "")
+ if (str.Length == 0)
return new byte [0];
MemoryStream result = new MemoryStream (str.Length);
foreach (char c in str){
- UrlEncodeChar (c, result, true);
+ HttpEncoder.UrlEncodeChar (c, result, true);
}
return result.ToArray ();
}
/// <returns>The decoded text.</returns>
public static string HtmlDecode (string s)
{
+#if NET_4_0
if (s == null)
- throw new ArgumentNullException ("s");
-
- if (s.IndexOf ('&') == -1)
- return s;
-
- 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);
- state = 1;
- } else {
- output.Append (c);
- }
- continue;
- }
-
- if (c == '&') {
- state = 1;
- if (have_trailing_digits) {
- entity.Append (number.ToString (Helpers.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);
- }
- } 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;
- }
- } else if (state == 3) {
- if (c == ';') {
- if (number > 65535) {
- output.Append ("&#");
- output.Append (number.ToString (Helpers.InvariantCulture));
- output.Append (";");
- } else {
- output.Append ((char) number);
- }
- state = 0;
- entity.Length = 0;
- have_trailing_digits = false;
- } else if (is_hex_value && Uri.IsHexDigit(c)) {
- number = number * 16 + Uri.FromHex(c);
- have_trailing_digits = true;
- } else if (Char.IsDigit (c)) {
- number = number * 10 + ((int) c - '0');
- have_trailing_digits = true;
- } else if (number == 0 && (c == 'x' || c == 'X')) {
- is_hex_value = true;
- } else {
- state = 2;
- if (have_trailing_digits) {
- entity.Append (number.ToString (Helpers.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 (Helpers.InvariantCulture));
+ return null;
+
+ using (var sw = new StringWriter ()) {
+ HttpEncoder.Current.HtmlDecode (s, sw);
+ return sw.ToString ();
}
- return output.ToString ();
+#else
+ return HttpEncoder.HtmlDecode (s);
+#endif
}
/// <summary>
/// <param name="output">The TextWriter output stream containing the decoded string. </param>
public static void HtmlDecode(string s, TextWriter output)
{
- if (s != null)
- output.Write (HtmlDecode (s));
- }
-
- /// <summary>
- /// HTML-encodes a string and returns the encoded string.
- /// </summary>
- /// <param name="s">The text string to encode. </param>
- /// <returns>The HTML-encoded text.</returns>
- public static string HtmlEncode (string s)
- {
- if (s == null)
- return null;
-
- bool needEncode = false;
- for (int i = 0; i < s.Length; i++) {
- char c = s [i];
- if (c == '&' || c == '"' || c == '<' || c == '>' || c > 159
+ if (output == null) {
#if NET_4_0
- || c == '\''
+ throw new ArgumentNullException ("output");
+#else
+ throw new NullReferenceException (".NET emulation");
#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 ("&");
- break;
- case '>' :
- output.Append (">");
- break;
- case '<' :
- output.Append ("<");
- break;
- case '"' :
- output.Append (""");
- break;
+
+ if (!String.IsNullOrEmpty (s)) {
#if NET_4_0
- case '\'':
- output.Append ("'");
- break;
+ HttpEncoder.Current.HtmlDecode (s, output);
+#else
+ output.Write (HttpEncoder.HtmlDecode (s));
#endif
- default:
- // MS starts encoding with &# from 160 and stops at 255.
- // We don't do that. One reason is the 65308/65310 unicode
- // characters that look like '<' and '>'.
-#if TARGET_JVM
- if (s [i] > 159 && s [i] < 256) {
+ }
+ }
+
+ internal static string HtmlEncode (string s)
+ {
+#if NET_4_0
+ if (s == null)
+ return null;
+
+ using (var sw = new StringWriter ()) {
+ HttpEncoder.Current.HtmlEncode (s, sw);
+ return sw.ToString ();
+ }
#else
- if (s [i] > 159) {
+ return HttpEncoder.HtmlEncode (s);
#endif
- output.Append ("&#");
- output.Append (((int) s [i]).ToString (Helpers.InvariantCulture));
- output.Append (";");
- } else {
- output.Append (s [i]);
- }
- break;
- }
- return output.ToString ();
}
-
+
/// <summary>
/// HTML-encodes a string and sends the resulting output to a TextWriter output stream.
/// </summary>
/// <param name="output">The TextWriter output stream containing the encoded string. </param>
public static void HtmlEncode(string s, TextWriter output)
{
- if (s != null)
- output.Write (HtmlEncode (s));
+ if (output == null) {
+#if NET_4_0
+ throw new ArgumentNullException ("output");
+#else
+ throw new NullReferenceException (".NET emulation");
+#endif
+ }
+
+ if (!String.IsNullOrEmpty (s)) {
+#if NET_4_0
+ HttpEncoder.Current.HtmlEncode (s, output);
+#else
+ output.Write (HttpEncoder.HtmlEncode (s));
+#endif
+ }
}
#if NET_4_0
public static string HtmlEncode (object value)
#endif
public static string UrlPathEncode (string s)
{
- if (s == null || s.Length == 0)
- return s;
-
- MemoryStream result = new MemoryStream ();
- int length = s.Length;
- for (int i = 0; i < length; i++) {
- UrlPathEncodeChar (s [i], result);
- }
- return Encoding.ASCII.GetString (result.ToArray ());
- }
-
- 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);
+#if NET_4_0
+ return HttpEncoder.Current.UrlPathEncode (s);
+#else
+ return HttpEncoder.UrlPathEncode (s);
+#endif
}
public static NameValueCollection ParseQueryString (string query)
projects / mono.git / blobdiff