mirror of https://github.com/mono/CppSharp.git
2 changed files with 534 additions and 5 deletions
@ -0,0 +1,520 @@
@@ -0,0 +1,520 @@
|
||||
//
|
||||
// Authors:
|
||||
// Patrik Torstensson (Patrik.Torstensson@labs2.com)
|
||||
// Wictor Wilén (decode/encode functions) (wictor@ibizkit.se)
|
||||
// Tim Coleman (tim@timcoleman.com)
|
||||
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
|
||||
|
||||
// Marek Habersack <mhabersack@novell.com>
|
||||
//
|
||||
// (C) 2005-2010 Novell, Inc (http://novell.com/)
|
||||
//
|
||||
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining
|
||||
// a copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be
|
||||
// included in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
using System.Collections.Generic; |
||||
using System.Globalization; |
||||
using System.Linq; |
||||
using System.Text; |
||||
|
||||
namespace System.Web.Util |
||||
{ |
||||
public class HtmlEncoder |
||||
{ |
||||
static SortedDictionary <string, char> entities; |
||||
|
||||
static HtmlEncoder () |
||||
{ |
||||
InitEntities(); |
||||
} |
||||
|
||||
public static string HtmlEncode (string s) |
||||
{ |
||||
if (s == null) |
||||
return null; |
||||
|
||||
if (s.Length == 0) |
||||
return String.Empty; |
||||
|
||||
bool needEncode = s.Any(c => c == '&' || c == '"' || c == '<' || c == '>' || c > 159); |
||||
|
||||
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; |
||||
case '\uff1c': |
||||
output.Append ("<"); |
||||
break; |
||||
|
||||
case '\uff1e': |
||||
output.Append (">"); |
||||
break; |
||||
|
||||
default: |
||||
char 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 (s == null) |
||||
return null; |
||||
|
||||
if (s.Length == 0) |
||||
return String.Empty; |
||||
bool needEncode = s.Any(c => c == '&' || c == '"' || c == '<'); |
||||
|
||||
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; |
||||
default: |
||||
output.Append (s [i]); |
||||
break; |
||||
} |
||||
|
||||
return output.ToString(); |
||||
} |
||||
|
||||
public static string HtmlDecode (string s) |
||||
{ |
||||
if (s == null) |
||||
return null; |
||||
|
||||
if (s.Length == 0) |
||||
return String.Empty; |
||||
|
||||
if (s.IndexOf ('&') == -1) |
||||
return s; |
||||
StringBuilder rawEntity = new StringBuilder (); |
||||
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); |
||||
rawEntity.Append (c); |
||||
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); |
||||
entity.Length = 0; |
||||
entity.Append ('&'); |
||||
continue; |
||||
} |
||||
|
||||
if (state == 1) { |
||||
if (c == ';') { |
||||
state = 0; |
||||
output.Append (entity); |
||||
output.Append (c); |
||||
entity.Length = 0; |
||||
} else { |
||||
number = 0; |
||||
is_hex_value = false; |
||||
state = c != '#' ? 2 : 3; |
||||
entity.Append (c); |
||||
rawEntity.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; |
||||
rawEntity.Length = 0; |
||||
} |
||||
} else if (state == 3) { |
||||
if (c == ';') { |
||||
if (number == 0) |
||||
output.Append (rawEntity + ";"); |
||||
else if (number > 65535) { |
||||
output.Append ("&#"); |
||||
output.Append (number.ToString (CultureInfo.InvariantCulture)); |
||||
output.Append (";"); |
||||
} else { |
||||
output.Append ((char) number); |
||||
} |
||||
state = 0; |
||||
entity.Length = 0; |
||||
rawEntity.Length = 0; |
||||
have_trailing_digits = false; |
||||
} else if (is_hex_value && Uri.IsHexDigit(c)) { |
||||
number = number * 16 + Uri.FromHex(c); |
||||
have_trailing_digits = true; |
||||
rawEntity.Append (c); |
||||
} else if (Char.IsDigit (c)) { |
||||
number = number * 10 + (c - '0'); |
||||
have_trailing_digits = true; |
||||
rawEntity.Append (c); |
||||
} else if (number == 0 && (c == 'x' || c == 'X')) { |
||||
is_hex_value = true; |
||||
rawEntity.Append (c); |
||||
} 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); |
||||
} 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 == '_'); |
||||
} |
||||
|
||||
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'); |
||||
} |
||||
} |
||||
} |
Loading…
Reference in new issue