Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / WebUtility.cs / 1305376 / WebUtility.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
// Don't entity encode high chars (160 to 256), to fix bugs VSWhidbey 85857/111927
//
#define ENTITY_ENCODE_HIGH_ASCII_CHARS
namespace System.Net {
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
public static class WebUtility {
private static char[] _htmlEntityEndingChars = new char[] { ';', '&' };
public static string HtmlEncode(string value) {
if (String.IsNullOrEmpty(value)) {
return value;
}
// Don't create string writer if we don't have nothing to encode
int index = IndexOfHtmlEncodingChars(value, 0);
if (index == -1) {
return value;
}
StringWriter writer = new StringWriter(CultureInfo.InvariantCulture);
HtmlEncode(value, writer);
return writer.ToString();
}
public static unsafe void HtmlEncode(string value, TextWriter output) {
if (value == null) {
return;
}
if (output == null) {
throw new ArgumentNullException("output");
}
int index = IndexOfHtmlEncodingChars(value, 0);
if (index == -1) {
output.Write(value);
return;
}
Debug.Assert(0 <= index && index <= value.Length, "0 <= index && index <= value.Length");
int cch = value.Length - index;
fixed (char* str = value) {
char* pch = str;
while (index-- > 0) {
output.Write(*pch++);
}
while (cch-- > 0) {
char ch = *pch++;
if (ch <= '>') {
switch (ch) {
case '<':
output.Write("<");
break;
case '>':
output.Write(">");
break;
case '"':
output.Write(""");
break;
case '\'':
output.Write("'");
break;
case '&':
output.Write("&");
break;
default:
output.Write(ch);
break;
}
}
#if ENTITY_ENCODE_HIGH_ASCII_CHARS
else if (ch >= 160 && ch < 256) {
// The seemingly arbitrary 160 comes from RFC
output.Write("&#");
output.Write(((int)ch).ToString(NumberFormatInfo.InvariantInfo));
output.Write(';');
}
#endif // ENTITY_ENCODE_HIGH_ASCII_CHARS
else {
output.Write(ch);
}
}
}
}
public static string HtmlDecode(string value) {
if (String.IsNullOrEmpty(value)) {
return value;
}
// Don't create string writer if we don't have nothing to encode
if (value.IndexOf('&') < 0) {
return value;
}
StringWriter writer = new StringWriter(CultureInfo.InvariantCulture);
HtmlDecode(value, writer);
return writer.ToString();
}
[SuppressMessage("Microsoft.Usage", "CA1806:DoNotIgnoreMethodResults", MessageId = "System.UInt16.TryParse(System.String,System.Globalization.NumberStyles,System.IFormatProvider,System.UInt16@)", Justification="UInt16.TryParse guarantees that result is zero if the parse fails.")]
public static void HtmlDecode(string value, TextWriter output) {
if (value == null) {
return;
}
if (output == null) {
throw new ArgumentNullException("output");
}
if (value.IndexOf('&') < 0) {
output.Write(value); // good as is
return;
}
int l = value.Length;
for (int i = 0; i < l; i++) {
char ch = value[i];
if (ch == '&') {
// We found a '&'. Now look for the next ';' or '&'. The idea is that
// if we find another '&' before finding a ';', then this is not an entity,
// and the next '&' might start a real entity (VSWhidbey 275184)
int index = value.IndexOfAny(_htmlEntityEndingChars, i + 1);
if (index > 0 && value[index] == ';') {
string entity = value.Substring(i + 1, index - i - 1);
if (entity.Length > 1 && entity[0] == '#') {
// The # syntax can be in decimal or hex, e.g.
// å --> decimal
// å --> same char in hex
// See http://www.w3.org/TR/REC-html40/charset.html#entities
ushort parsed;
if (entity[1] == 'x' || entity[1] == 'X') {
UInt16.TryParse(entity.Substring(2), NumberStyles.AllowHexSpecifier, NumberFormatInfo.InvariantInfo, out parsed);
}
else {
UInt16.TryParse(entity.Substring(1), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out parsed);
}
if (parsed != 0) {
ch = (char)parsed;
i = index; // already looked at everything until semicolon
}
}
else {
i = index; // already looked at everything until semicolon
char entityChar = HtmlEntities.Lookup(entity);
if (entityChar != (char)0) {
ch = entityChar;
}
else {
output.Write('&');
output.Write(entity);
output.Write(';');
continue;
}
}
}
}
output.Write(ch);
}
}
private static unsafe int IndexOfHtmlEncodingChars(string s, int startPos) {
Debug.Assert(0 <= startPos && startPos <= s.Length, "0 <= startPos && startPos <= s.Length");
int cch = s.Length - startPos;
fixed (char* str = s) {
for (char* pch = &str[startPos]; cch > 0; pch++, cch--) {
char ch = *pch;
if (ch <= '>') {
switch (ch) {
case '<':
case '>':
case '"':
case '\'':
case '&':
return s.Length - cch;
}
}
#if ENTITY_ENCODE_HIGH_ASCII_CHARS
else if (ch >= 160 && ch < 256) {
return s.Length - cch;
}
#endif // ENTITY_ENCODE_HIGH_ASCII_CHARS
}
}
return -1;
}
// helper class for lookup of HTML encoding entities
private static class HtmlEntities {
// The list is from http://www.w3.org/TR/REC-html40/sgml/entities.html, except for ', which
// is defined in http://www.w3.org/TR/2008/REC-xml-20081126/#sec-predefined-ent.
private static String[] _entitiesList = new String[] {
"\x0022-quot",
"\x0026-amp",
"\x0027-apos",
"\x003c-lt",
"\x003e-gt",
"\x00a0-nbsp",
"\x00a1-iexcl",
"\x00a2-cent",
"\x00a3-pound",
"\x00a4-curren",
"\x00a5-yen",
"\x00a6-brvbar",
"\x00a7-sect",
"\x00a8-uml",
"\x00a9-copy",
"\x00aa-ordf",
"\x00ab-laquo",
"\x00ac-not",
"\x00ad-shy",
"\x00ae-reg",
"\x00af-macr",
"\x00b0-deg",
"\x00b1-plusmn",
"\x00b2-sup2",
"\x00b3-sup3",
"\x00b4-acute",
"\x00b5-micro",
"\x00b6-para",
"\x00b7-middot",
"\x00b8-cedil",
"\x00b9-sup1",
"\x00ba-ordm",
"\x00bb-raquo",
"\x00bc-frac14",
"\x00bd-frac12",
"\x00be-frac34",
"\x00bf-iquest",
"\x00c0-Agrave",
"\x00c1-Aacute",
"\x00c2-Acirc",
"\x00c3-Atilde",
"\x00c4-Auml",
"\x00c5-Aring",
"\x00c6-AElig",
"\x00c7-Ccedil",
"\x00c8-Egrave",
"\x00c9-Eacute",
"\x00ca-Ecirc",
"\x00cb-Euml",
"\x00cc-Igrave",
"\x00cd-Iacute",
"\x00ce-Icirc",
"\x00cf-Iuml",
"\x00d0-ETH",
"\x00d1-Ntilde",
"\x00d2-Ograve",
"\x00d3-Oacute",
"\x00d4-Ocirc",
"\x00d5-Otilde",
"\x00d6-Ouml",
"\x00d7-times",
"\x00d8-Oslash",
"\x00d9-Ugrave",
"\x00da-Uacute",
"\x00db-Ucirc",
"\x00dc-Uuml",
"\x00dd-Yacute",
"\x00de-THORN",
"\x00df-szlig",
"\x00e0-agrave",
"\x00e1-aacute",
"\x00e2-acirc",
"\x00e3-atilde",
"\x00e4-auml",
"\x00e5-aring",
"\x00e6-aelig",
"\x00e7-ccedil",
"\x00e8-egrave",
"\x00e9-eacute",
"\x00ea-ecirc",
"\x00eb-euml",
"\x00ec-igrave",
"\x00ed-iacute",
"\x00ee-icirc",
"\x00ef-iuml",
"\x00f0-eth",
"\x00f1-ntilde",
"\x00f2-ograve",
"\x00f3-oacute",
"\x00f4-ocirc",
"\x00f5-otilde",
"\x00f6-ouml",
"\x00f7-divide",
"\x00f8-oslash",
"\x00f9-ugrave",
"\x00fa-uacute",
"\x00fb-ucirc",
"\x00fc-uuml",
"\x00fd-yacute",
"\x00fe-thorn",
"\x00ff-yuml",
"\x0152-OElig",
"\x0153-oelig",
"\x0160-Scaron",
"\x0161-scaron",
"\x0178-Yuml",
"\x0192-fnof",
"\x02c6-circ",
"\x02dc-tilde",
"\x0391-Alpha",
"\x0392-Beta",
"\x0393-Gamma",
"\x0394-Delta",
"\x0395-Epsilon",
"\x0396-Zeta",
"\x0397-Eta",
"\x0398-Theta",
"\x0399-Iota",
"\x039a-Kappa",
"\x039b-Lambda",
"\x039c-Mu",
"\x039d-Nu",
"\x039e-Xi",
"\x039f-Omicron",
"\x03a0-Pi",
"\x03a1-Rho",
"\x03a3-Sigma",
"\x03a4-Tau",
"\x03a5-Upsilon",
"\x03a6-Phi",
"\x03a7-Chi",
"\x03a8-Psi",
"\x03a9-Omega",
"\x03b1-alpha",
"\x03b2-beta",
"\x03b3-gamma",
"\x03b4-delta",
"\x03b5-epsilon",
"\x03b6-zeta",
"\x03b7-eta",
"\x03b8-theta",
"\x03b9-iota",
"\x03ba-kappa",
"\x03bb-lambda",
"\x03bc-mu",
"\x03bd-nu",
"\x03be-xi",
"\x03bf-omicron",
"\x03c0-pi",
"\x03c1-rho",
"\x03c2-sigmaf",
"\x03c3-sigma",
"\x03c4-tau",
"\x03c5-upsilon",
"\x03c6-phi",
"\x03c7-chi",
"\x03c8-psi",
"\x03c9-omega",
"\x03d1-thetasym",
"\x03d2-upsih",
"\x03d6-piv",
"\x2002-ensp",
"\x2003-emsp",
"\x2009-thinsp",
"\x200c-zwnj",
"\x200d-zwj",
"\x200e-lrm",
"\x200f-rlm",
"\x2013-ndash",
"\x2014-mdash",
"\x2018-lsquo",
"\x2019-rsquo",
"\x201a-sbquo",
"\x201c-ldquo",
"\x201d-rdquo",
"\x201e-bdquo",
"\x2020-dagger",
"\x2021-Dagger",
"\x2022-bull",
"\x2026-hellip",
"\x2030-permil",
"\x2032-prime",
"\x2033-Prime",
"\x2039-lsaquo",
"\x203a-rsaquo",
"\x203e-oline",
"\x2044-frasl",
"\x20ac-euro",
"\x2111-image",
"\x2118-weierp",
"\x211c-real",
"\x2122-trade",
"\x2135-alefsym",
"\x2190-larr",
"\x2191-uarr",
"\x2192-rarr",
"\x2193-darr",
"\x2194-harr",
"\x21b5-crarr",
"\x21d0-lArr",
"\x21d1-uArr",
"\x21d2-rArr",
"\x21d3-dArr",
"\x21d4-hArr",
"\x2200-forall",
"\x2202-part",
"\x2203-exist",
"\x2205-empty",
"\x2207-nabla",
"\x2208-isin",
"\x2209-notin",
"\x220b-ni",
"\x220f-prod",
"\x2211-sum",
"\x2212-minus",
"\x2217-lowast",
"\x221a-radic",
"\x221d-prop",
"\x221e-infin",
"\x2220-ang",
"\x2227-and",
"\x2228-or",
"\x2229-cap",
"\x222a-cup",
"\x222b-int",
"\x2234-there4",
"\x223c-sim",
"\x2245-cong",
"\x2248-asymp",
"\x2260-ne",
"\x2261-equiv",
"\x2264-le",
"\x2265-ge",
"\x2282-sub",
"\x2283-sup",
"\x2284-nsub",
"\x2286-sube",
"\x2287-supe",
"\x2295-oplus",
"\x2297-otimes",
"\x22a5-perp",
"\x22c5-sdot",
"\x2308-lceil",
"\x2309-rceil",
"\x230a-lfloor",
"\x230b-rfloor",
"\x2329-lang",
"\x232a-rang",
"\x25ca-loz",
"\x2660-spades",
"\x2663-clubs",
"\x2665-hearts",
"\x2666-diams",
};
private static Dictionary _lookupTable = GenerateLookupTable();
private static Dictionary GenerateLookupTable() {
// e[0] is unicode char, e[1] is '-', e[2+] is entity string
Dictionary lookupTable = new Dictionary(StringComparer.Ordinal);
foreach (string e in _entitiesList) {
lookupTable.Add(e.Substring(2), e[0]);
}
return lookupTable;
}
public static char Lookup(string entity) {
char theChar;
_lookupTable.TryGetValue(entity, out theChar);
return theChar;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
// Don't entity encode high chars (160 to 256), to fix bugs VSWhidbey 85857/111927
//
#define ENTITY_ENCODE_HIGH_ASCII_CHARS
namespace System.Net {
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
public static class WebUtility {
private static char[] _htmlEntityEndingChars = new char[] { ';', '&' };
public static string HtmlEncode(string value) {
if (String.IsNullOrEmpty(value)) {
return value;
}
// Don't create string writer if we don't have nothing to encode
int index = IndexOfHtmlEncodingChars(value, 0);
if (index == -1) {
return value;
}
StringWriter writer = new StringWriter(CultureInfo.InvariantCulture);
HtmlEncode(value, writer);
return writer.ToString();
}
public static unsafe void HtmlEncode(string value, TextWriter output) {
if (value == null) {
return;
}
if (output == null) {
throw new ArgumentNullException("output");
}
int index = IndexOfHtmlEncodingChars(value, 0);
if (index == -1) {
output.Write(value);
return;
}
Debug.Assert(0 <= index && index <= value.Length, "0 <= index && index <= value.Length");
int cch = value.Length - index;
fixed (char* str = value) {
char* pch = str;
while (index-- > 0) {
output.Write(*pch++);
}
while (cch-- > 0) {
char ch = *pch++;
if (ch <= '>') {
switch (ch) {
case '<':
output.Write("<");
break;
case '>':
output.Write(">");
break;
case '"':
output.Write(""");
break;
case '\'':
output.Write("'");
break;
case '&':
output.Write("&");
break;
default:
output.Write(ch);
break;
}
}
#if ENTITY_ENCODE_HIGH_ASCII_CHARS
else if (ch >= 160 && ch < 256) {
// The seemingly arbitrary 160 comes from RFC
output.Write("&#");
output.Write(((int)ch).ToString(NumberFormatInfo.InvariantInfo));
output.Write(';');
}
#endif // ENTITY_ENCODE_HIGH_ASCII_CHARS
else {
output.Write(ch);
}
}
}
}
public static string HtmlDecode(string value) {
if (String.IsNullOrEmpty(value)) {
return value;
}
// Don't create string writer if we don't have nothing to encode
if (value.IndexOf('&') < 0) {
return value;
}
StringWriter writer = new StringWriter(CultureInfo.InvariantCulture);
HtmlDecode(value, writer);
return writer.ToString();
}
[SuppressMessage("Microsoft.Usage", "CA1806:DoNotIgnoreMethodResults", MessageId = "System.UInt16.TryParse(System.String,System.Globalization.NumberStyles,System.IFormatProvider,System.UInt16@)", Justification="UInt16.TryParse guarantees that result is zero if the parse fails.")]
public static void HtmlDecode(string value, TextWriter output) {
if (value == null) {
return;
}
if (output == null) {
throw new ArgumentNullException("output");
}
if (value.IndexOf('&') < 0) {
output.Write(value); // good as is
return;
}
int l = value.Length;
for (int i = 0; i < l; i++) {
char ch = value[i];
if (ch == '&') {
// We found a '&'. Now look for the next ';' or '&'. The idea is that
// if we find another '&' before finding a ';', then this is not an entity,
// and the next '&' might start a real entity (VSWhidbey 275184)
int index = value.IndexOfAny(_htmlEntityEndingChars, i + 1);
if (index > 0 && value[index] == ';') {
string entity = value.Substring(i + 1, index - i - 1);
if (entity.Length > 1 && entity[0] == '#') {
// The # syntax can be in decimal or hex, e.g.
// å --> decimal
// å --> same char in hex
// See http://www.w3.org/TR/REC-html40/charset.html#entities
ushort parsed;
if (entity[1] == 'x' || entity[1] == 'X') {
UInt16.TryParse(entity.Substring(2), NumberStyles.AllowHexSpecifier, NumberFormatInfo.InvariantInfo, out parsed);
}
else {
UInt16.TryParse(entity.Substring(1), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out parsed);
}
if (parsed != 0) {
ch = (char)parsed;
i = index; // already looked at everything until semicolon
}
}
else {
i = index; // already looked at everything until semicolon
char entityChar = HtmlEntities.Lookup(entity);
if (entityChar != (char)0) {
ch = entityChar;
}
else {
output.Write('&');
output.Write(entity);
output.Write(';');
continue;
}
}
}
}
output.Write(ch);
}
}
private static unsafe int IndexOfHtmlEncodingChars(string s, int startPos) {
Debug.Assert(0 <= startPos && startPos <= s.Length, "0 <= startPos && startPos <= s.Length");
int cch = s.Length - startPos;
fixed (char* str = s) {
for (char* pch = &str[startPos]; cch > 0; pch++, cch--) {
char ch = *pch;
if (ch <= '>') {
switch (ch) {
case '<':
case '>':
case '"':
case '\'':
case '&':
return s.Length - cch;
}
}
#if ENTITY_ENCODE_HIGH_ASCII_CHARS
else if (ch >= 160 && ch < 256) {
return s.Length - cch;
}
#endif // ENTITY_ENCODE_HIGH_ASCII_CHARS
}
}
return -1;
}
// helper class for lookup of HTML encoding entities
private static class HtmlEntities {
// The list is from http://www.w3.org/TR/REC-html40/sgml/entities.html, except for ', which
// is defined in http://www.w3.org/TR/2008/REC-xml-20081126/#sec-predefined-ent.
private static String[] _entitiesList = new String[] {
"\x0022-quot",
"\x0026-amp",
"\x0027-apos",
"\x003c-lt",
"\x003e-gt",
"\x00a0-nbsp",
"\x00a1-iexcl",
"\x00a2-cent",
"\x00a3-pound",
"\x00a4-curren",
"\x00a5-yen",
"\x00a6-brvbar",
"\x00a7-sect",
"\x00a8-uml",
"\x00a9-copy",
"\x00aa-ordf",
"\x00ab-laquo",
"\x00ac-not",
"\x00ad-shy",
"\x00ae-reg",
"\x00af-macr",
"\x00b0-deg",
"\x00b1-plusmn",
"\x00b2-sup2",
"\x00b3-sup3",
"\x00b4-acute",
"\x00b5-micro",
"\x00b6-para",
"\x00b7-middot",
"\x00b8-cedil",
"\x00b9-sup1",
"\x00ba-ordm",
"\x00bb-raquo",
"\x00bc-frac14",
"\x00bd-frac12",
"\x00be-frac34",
"\x00bf-iquest",
"\x00c0-Agrave",
"\x00c1-Aacute",
"\x00c2-Acirc",
"\x00c3-Atilde",
"\x00c4-Auml",
"\x00c5-Aring",
"\x00c6-AElig",
"\x00c7-Ccedil",
"\x00c8-Egrave",
"\x00c9-Eacute",
"\x00ca-Ecirc",
"\x00cb-Euml",
"\x00cc-Igrave",
"\x00cd-Iacute",
"\x00ce-Icirc",
"\x00cf-Iuml",
"\x00d0-ETH",
"\x00d1-Ntilde",
"\x00d2-Ograve",
"\x00d3-Oacute",
"\x00d4-Ocirc",
"\x00d5-Otilde",
"\x00d6-Ouml",
"\x00d7-times",
"\x00d8-Oslash",
"\x00d9-Ugrave",
"\x00da-Uacute",
"\x00db-Ucirc",
"\x00dc-Uuml",
"\x00dd-Yacute",
"\x00de-THORN",
"\x00df-szlig",
"\x00e0-agrave",
"\x00e1-aacute",
"\x00e2-acirc",
"\x00e3-atilde",
"\x00e4-auml",
"\x00e5-aring",
"\x00e6-aelig",
"\x00e7-ccedil",
"\x00e8-egrave",
"\x00e9-eacute",
"\x00ea-ecirc",
"\x00eb-euml",
"\x00ec-igrave",
"\x00ed-iacute",
"\x00ee-icirc",
"\x00ef-iuml",
"\x00f0-eth",
"\x00f1-ntilde",
"\x00f2-ograve",
"\x00f3-oacute",
"\x00f4-ocirc",
"\x00f5-otilde",
"\x00f6-ouml",
"\x00f7-divide",
"\x00f8-oslash",
"\x00f9-ugrave",
"\x00fa-uacute",
"\x00fb-ucirc",
"\x00fc-uuml",
"\x00fd-yacute",
"\x00fe-thorn",
"\x00ff-yuml",
"\x0152-OElig",
"\x0153-oelig",
"\x0160-Scaron",
"\x0161-scaron",
"\x0178-Yuml",
"\x0192-fnof",
"\x02c6-circ",
"\x02dc-tilde",
"\x0391-Alpha",
"\x0392-Beta",
"\x0393-Gamma",
"\x0394-Delta",
"\x0395-Epsilon",
"\x0396-Zeta",
"\x0397-Eta",
"\x0398-Theta",
"\x0399-Iota",
"\x039a-Kappa",
"\x039b-Lambda",
"\x039c-Mu",
"\x039d-Nu",
"\x039e-Xi",
"\x039f-Omicron",
"\x03a0-Pi",
"\x03a1-Rho",
"\x03a3-Sigma",
"\x03a4-Tau",
"\x03a5-Upsilon",
"\x03a6-Phi",
"\x03a7-Chi",
"\x03a8-Psi",
"\x03a9-Omega",
"\x03b1-alpha",
"\x03b2-beta",
"\x03b3-gamma",
"\x03b4-delta",
"\x03b5-epsilon",
"\x03b6-zeta",
"\x03b7-eta",
"\x03b8-theta",
"\x03b9-iota",
"\x03ba-kappa",
"\x03bb-lambda",
"\x03bc-mu",
"\x03bd-nu",
"\x03be-xi",
"\x03bf-omicron",
"\x03c0-pi",
"\x03c1-rho",
"\x03c2-sigmaf",
"\x03c3-sigma",
"\x03c4-tau",
"\x03c5-upsilon",
"\x03c6-phi",
"\x03c7-chi",
"\x03c8-psi",
"\x03c9-omega",
"\x03d1-thetasym",
"\x03d2-upsih",
"\x03d6-piv",
"\x2002-ensp",
"\x2003-emsp",
"\x2009-thinsp",
"\x200c-zwnj",
"\x200d-zwj",
"\x200e-lrm",
"\x200f-rlm",
"\x2013-ndash",
"\x2014-mdash",
"\x2018-lsquo",
"\x2019-rsquo",
"\x201a-sbquo",
"\x201c-ldquo",
"\x201d-rdquo",
"\x201e-bdquo",
"\x2020-dagger",
"\x2021-Dagger",
"\x2022-bull",
"\x2026-hellip",
"\x2030-permil",
"\x2032-prime",
"\x2033-Prime",
"\x2039-lsaquo",
"\x203a-rsaquo",
"\x203e-oline",
"\x2044-frasl",
"\x20ac-euro",
"\x2111-image",
"\x2118-weierp",
"\x211c-real",
"\x2122-trade",
"\x2135-alefsym",
"\x2190-larr",
"\x2191-uarr",
"\x2192-rarr",
"\x2193-darr",
"\x2194-harr",
"\x21b5-crarr",
"\x21d0-lArr",
"\x21d1-uArr",
"\x21d2-rArr",
"\x21d3-dArr",
"\x21d4-hArr",
"\x2200-forall",
"\x2202-part",
"\x2203-exist",
"\x2205-empty",
"\x2207-nabla",
"\x2208-isin",
"\x2209-notin",
"\x220b-ni",
"\x220f-prod",
"\x2211-sum",
"\x2212-minus",
"\x2217-lowast",
"\x221a-radic",
"\x221d-prop",
"\x221e-infin",
"\x2220-ang",
"\x2227-and",
"\x2228-or",
"\x2229-cap",
"\x222a-cup",
"\x222b-int",
"\x2234-there4",
"\x223c-sim",
"\x2245-cong",
"\x2248-asymp",
"\x2260-ne",
"\x2261-equiv",
"\x2264-le",
"\x2265-ge",
"\x2282-sub",
"\x2283-sup",
"\x2284-nsub",
"\x2286-sube",
"\x2287-supe",
"\x2295-oplus",
"\x2297-otimes",
"\x22a5-perp",
"\x22c5-sdot",
"\x2308-lceil",
"\x2309-rceil",
"\x230a-lfloor",
"\x230b-rfloor",
"\x2329-lang",
"\x232a-rang",
"\x25ca-loz",
"\x2660-spades",
"\x2663-clubs",
"\x2665-hearts",
"\x2666-diams",
};
private static Dictionary _lookupTable = GenerateLookupTable();
private static Dictionary GenerateLookupTable() {
// e[0] is unicode char, e[1] is '-', e[2+] is entity string
Dictionary lookupTable = new Dictionary(StringComparer.Ordinal);
foreach (string e in _entitiesList) {
lookupTable.Add(e.Substring(2), e[0]);
}
return lookupTable;
}
public static char Lookup(string entity) {
char theChar;
_lookupTable.TryGetValue(entity, out theChar);
return theChar;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- ObjectAssociationEndMapping.cs
- EnumerableRowCollection.cs
- EllipseGeometry.cs
- ConfigXmlSignificantWhitespace.cs
- BaseValidator.cs
- MenuAdapter.cs
- Task.cs
- TrackingStringDictionary.cs
- DecoderReplacementFallback.cs
- AsmxEndpointPickerExtension.cs
- MenuAutoFormat.cs
- DataTableClearEvent.cs
- HttpHandlerAction.cs
- ISAPIWorkerRequest.cs
- DynamicQueryableWrapper.cs
- HttpPostedFile.cs
- MaskDescriptor.cs
- TreeViewHitTestInfo.cs
- HorizontalAlignConverter.cs
- ProcessRequestArgs.cs
- OleDbParameterCollection.cs
- ToolStripDesignerAvailabilityAttribute.cs
- ExtractedStateEntry.cs
- NodeLabelEditEvent.cs
- wpf-etw.cs
- CacheOutputQuery.cs
- AuthenticatedStream.cs
- CodeTypeOfExpression.cs
- ChannelServices.cs
- DataSourceDesigner.cs
- ClientApiGenerator.cs
- DataGridCellsPanel.cs
- RotateTransform3D.cs
- SerializationFieldInfo.cs
- PropertyReferenceSerializer.cs
- DescendantOverDescendantQuery.cs
- ReferenceConverter.cs
- StrongNameKeyPair.cs
- MethodImplAttribute.cs
- NavigationCommands.cs
- EventSinkHelperWriter.cs
- DecimalMinMaxAggregationOperator.cs
- WhitespaceRuleReader.cs
- IndentTextWriter.cs
- DesignerActionItem.cs
- DocumentOrderQuery.cs
- RadioButtonList.cs
- BooleanStorage.cs
- GacUtil.cs
- DBConnection.cs
- SplineKeyFrames.cs
- Stackframe.cs
- StatusBarPanelClickEvent.cs
- InternalRelationshipCollection.cs
- SqlDataSourceView.cs
- ServicePointManager.cs
- MimePart.cs
- ComponentGuaranteesAttribute.cs
- BufferedGraphicsContext.cs
- BehaviorEditorPart.cs
- FlowDocumentPaginator.cs
- FixedSOMFixedBlock.cs
- ErrorEventArgs.cs
- Common.cs
- EntitySetBase.cs
- BulletedListDesigner.cs
- TreeNodeBindingDepthConverter.cs
- Misc.cs
- VirtualizingPanel.cs
- WizardForm.cs
- SelectionPatternIdentifiers.cs
- Vector3D.cs
- SimplePropertyEntry.cs
- PropertyManager.cs
- ContractCodeDomInfo.cs
- TransformerConfigurationWizardBase.cs
- TextEndOfLine.cs
- ScriptHandlerFactory.cs
- ComboBox.cs
- DiagnosticTrace.cs
- PersonalizationAdministration.cs
- StringArrayConverter.cs
- MimeBasePart.cs
- NestedContainer.cs
- DateTimeFormat.cs
- CodeSnippetStatement.cs
- DaylightTime.cs
- XamlBrushSerializer.cs
- InputChannelAcceptor.cs
- Frame.cs
- ISAPIApplicationHost.cs
- SqlCommandSet.cs
- AuthenticationModulesSection.cs
- UpdateException.cs
- HostingPreferredMapPath.cs
- SecurityState.cs
- ProfileGroupSettingsCollection.cs
- XmlSchemaAnnotated.cs
- ScriptingSectionGroup.cs
- ObjectDataSourceMethodEventArgs.cs