- /* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2002-2003 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowledgement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgement may appear in the software itself,
- * if and wherever such third-party acknowledgements normally appear.
- *
- * 4. The names "The Jakarta Project", "Commons", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- package org.apache.commons.lang;
-
- import java.util.HashMap;
- import java.util.Map;
- import java.util.TreeMap;
-
- /**
- * <p>Provides HTML and XML entity utilities.</p>
- *
- * @see <a href="http://hotwired.lycos.com/webmonkey/reference/special_characters/">ISO Entities</a>
- * @see </br><a href="http://www.w3.org/TR/REC-html32#latin1">HTML 3.2 Character Entities for ISO Latin-1</a>
- * @see </br><a href="http://www.w3.org/TR/REC-html40/sgml/entities.html">HTML 4.0 Character entity references</a>
- * @see </br><a href="http://www.w3.org/TR/html401/charset.html#h-5.3">HTML 4.01 Character References</a>
- * @see </br><a href="http://www.w3.org/TR/html401/charset.html#code-position">HTML 4.01 Code positions</a>
- *
- * @author <a href="mailto:alex@purpletech.com">Alexander Day Chaffee</a>
- * @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
- * @since 2.0
- * @version $Id: Entities.java,v 1.13 2003/08/18 02:22:22 bayard Exp $
- */
- class Entities {
-
- private static final String[][] BASIC_ARRAY = {
- {"quot", "34"}, // " - double-quote
- {"amp", "38"}, // & - ampersand
- {"lt", "60"}, // < - less-than
- {"gt", "62"}, // > - greater-than
- };
-
- private static final String[][] APOS_ARRAY = {
- {"apos", "39"}, // XML apostrophe
- };
-
- // package scoped for testing
- static final String[][] ISO8859_1_ARRAY = {
- {"nbsp", "160"}, // non-breaking space
- {"iexcl", "161"}, //inverted exclamation mark
- {"cent", "162"}, //cent sign
- {"pound", "163"}, //pound sign
- {"curren", "164"}, //currency sign
- {"yen", "165"}, //yen sign = yuan sign
- {"brvbar", "166"}, //broken bar = broken vertical bar
- {"sect", "167"}, //section sign
- {"uml", "168"}, //diaeresis = spacing diaeresis
- {"copy", "169"}, // ? - copyright sign
- {"ordf", "170"}, //feminine ordinal indicator
- {"laquo", "171"}, //left-pointing double angle quotation mark = left pointing guillemet
- {"not", "172"}, //not sign
- {"shy", "173"}, //soft hyphen = discretionary hyphen
- {"reg", "174"}, // ? - registered trademark sign
- {"macr", "175"}, //macron = spacing macron = overline = APL overbar
- {"deg", "176"}, //degree sign
- {"plusmn", "177"}, //plus-minus sign = plus-or-minus sign
- {"sup2", "178"}, //superscript two = superscript digit two = squared
- {"sup3", "179"}, //superscript three = superscript digit three = cubed
- {"acute", "180"}, //acute accent = spacing acute
- {"micro", "181"}, //micro sign
- {"para", "182"}, //pilcrow sign = paragraph sign
- {"middot", "183"}, //middle dot = Georgian comma = Greek middle dot
- {"cedil", "184"}, //cedilla = spacing cedilla
- {"sup1", "185"}, //superscript one = superscript digit one
- {"ordm", "186"}, //masculine ordinal indicator
- {"raquo", "187"}, //right-pointing double angle quotation mark = right pointing guillemet
- {"frac14", "188"}, //vulgar fraction one quarter = fraction one quarter
- {"frac12", "189"}, //vulgar fraction one half = fraction one half
- {"frac34", "190"}, //vulgar fraction three quarters = fraction three quarters
- {"iquest", "191"}, //inverted question mark = turned question mark
- {"Agrave", "192"}, // ? - uppercase A, grave accent
- {"Aacute", "193"}, // ? - uppercase A, acute accent
- {"Acirc", "194"}, // ? - uppercase A, circumflex accent
- {"Atilde", "195"}, // ? - uppercase A, tilde
- {"Auml", "196"}, // ? - uppercase A, umlaut
- {"Aring", "197"}, // ? - uppercase A, ring
- {"AElig", "198"}, // ? - uppercase AE
- {"Ccedil", "199"}, // ? - uppercase C, cedilla
- {"Egrave", "200"}, // ? - uppercase E, grave accent
- {"Eacute", "201"}, // ? - uppercase E, acute accent
- {"Ecirc", "202"}, // ? - uppercase E, circumflex accent
- {"Euml", "203"}, // ? - uppercase E, umlaut
- {"Igrave", "204"}, // ? - uppercase I, grave accent
- {"Iacute", "205"}, // ? - uppercase I, acute accent
- {"Icirc", "206"}, // ? - uppercase I, circumflex accent
- {"Iuml", "207"}, // ? - uppercase I, umlaut
- {"ETH", "208"}, // ? - uppercase Eth, Icelandic
- {"Ntilde", "209"}, // ? - uppercase N, tilde
- {"Ograve", "210"}, // ? - uppercase O, grave accent
- {"Oacute", "211"}, // ? - uppercase O, acute accent
- {"Ocirc", "212"}, // ? - uppercase O, circumflex accent
- {"Otilde", "213"}, // ? - uppercase O, tilde
- {"Ouml", "214"}, // ? - uppercase O, umlaut
- {"times", "215"}, //multiplication sign
- {"Oslash", "216"}, // ? - uppercase O, slash
- {"Ugrave", "217"}, // ? - uppercase U, grave accent
- {"Uacute", "218"}, // ? - uppercase U, acute accent
- {"Ucirc", "219"}, // ? - uppercase U, circumflex accent
- {"Uuml", "220"}, // ? - uppercase U, umlaut
- {"Yacute", "221"}, // ? - uppercase Y, acute accent
- {"THORN", "222"}, // ? - uppercase THORN, Icelandic
- {"szlig", "223"}, // ? - lowercase sharps, German
- {"agrave", "224"}, // ? - lowercase a, grave accent
- {"aacute", "225"}, // ? - lowercase a, acute accent
- {"acirc", "226"}, // ? - lowercase a, circumflex accent
- {"atilde", "227"}, // ? - lowercase a, tilde
- {"auml", "228"}, // ? - lowercase a, umlaut
- {"aring", "229"}, // ? - lowercase a, ring
- {"aelig", "230"}, // ? - lowercase ae
- {"ccedil", "231"}, // ? - lowercase c, cedilla
- {"egrave", "232"}, // ? - lowercase e, grave accent
- {"eacute", "233"}, // ? - lowercase e, acute accent
- {"ecirc", "234"}, // ? - lowercase e, circumflex accent
- {"euml", "235"}, // ? - lowercase e, umlaut
- {"igrave", "236"}, // ? - lowercase i, grave accent
- {"iacute", "237"}, // ? - lowercase i, acute accent
- {"icirc", "238"}, // ? - lowercase i, circumflex accent
- {"iuml", "239"}, // ? - lowercase i, umlaut
- {"eth", "240"}, // ? - lowercase eth, Icelandic
- {"ntilde", "241"}, // ? - lowercase n, tilde
- {"ograve", "242"}, // ? - lowercase o, grave accent
- {"oacute", "243"}, // ? - lowercase o, acute accent
- {"ocirc", "244"}, // ? - lowercase o, circumflex accent
- {"otilde", "245"}, // ? - lowercase o, tilde
- {"ouml", "246"}, // ? - lowercase o, umlaut
- {"divide", "247"}, // division sign
- {"oslash", "248"}, // ? - lowercase o, slash
- {"ugrave", "249"}, // ? - lowercase u, grave accent
- {"uacute", "250"}, // ? - lowercase u, acute accent
- {"ucirc", "251"}, // ? - lowercase u, circumflex accent
- {"uuml", "252"}, // ? - lowercase u, umlaut
- {"yacute", "253"}, // ? - lowercase y, acute accent
- {"thorn", "254"}, // ? - lowercase thorn, Icelandic
- {"yuml", "255"}, // ? - lowercase y, umlaut
- };
-
- // http://www.w3.org/TR/REC-html40/sgml/entities.html
- // package scoped for testing
- static final String[][] HTML40_ARRAY = {
- // <!-- Latin Extended-B -->
- {"fnof", "402"}, //latin small f with hook = function= florin, U+0192 ISOtech -->
- // <!-- Greek -->
- {"Alpha", "913"}, //greek capital letter alpha, U+0391 -->
- {"Beta", "914"}, //greek capital letter beta, U+0392 -->
- {"Gamma", "915"}, //greek capital letter gamma,U+0393 ISOgrk3 -->
- {"Delta", "916"}, //greek capital letter delta,U+0394 ISOgrk3 -->
- {"Epsilon", "917"}, //greek capital letter epsilon, U+0395 -->
- {"Zeta", "918"}, //greek capital letter zeta, U+0396 -->
- {"Eta", "919"}, //greek capital letter eta, U+0397 -->
- {"Theta", "920"}, //greek capital letter theta,U+0398 ISOgrk3 -->
- {"Iota", "921"}, //greek capital letter iota, U+0399 -->
- {"Kappa", "922"}, //greek capital letter kappa, U+039A -->
- {"Lambda", "923"}, //greek capital letter lambda,U+039B ISOgrk3 -->
- {"Mu", "924"}, //greek capital letter mu, U+039C -->
- {"Nu", "925"}, //greek capital letter nu, U+039D -->
- {"Xi", "926"}, //greek capital letter xi, U+039E ISOgrk3 -->
- {"Omicron", "927"}, //greek capital letter omicron, U+039F -->
- {"Pi", "928"}, //greek capital letter pi, U+03A0 ISOgrk3 -->
- {"Rho", "929"}, //greek capital letter rho, U+03A1 -->
- // <!-- there is no Sigmaf, and no U+03A2 character either -->
- {"Sigma", "931"}, //greek capital letter sigma,U+03A3 ISOgrk3 -->
- {"Tau", "932"}, //greek capital letter tau, U+03A4 -->
- {"Upsilon", "933"}, //greek capital letter upsilon,U+03A5 ISOgrk3 -->
- {"Phi", "934"}, //greek capital letter phi,U+03A6 ISOgrk3 -->
- {"Chi", "935"}, //greek capital letter chi, U+03A7 -->
- {"Psi", "936"}, //greek capital letter psi,U+03A8 ISOgrk3 -->
- {"Omega", "937"}, //greek capital letter omega,U+03A9 ISOgrk3 -->
- {"alpha", "945"}, //greek small letter alpha,U+03B1 ISOgrk3 -->
- {"beta", "946"}, //greek small letter beta, U+03B2 ISOgrk3 -->
- {"gamma", "947"}, //greek small letter gamma,U+03B3 ISOgrk3 -->
- {"delta", "948"}, //greek small letter delta,U+03B4 ISOgrk3 -->
- {"epsilon", "949"}, //greek small letter epsilon,U+03B5 ISOgrk3 -->
- {"zeta", "950"}, //greek small letter zeta, U+03B6 ISOgrk3 -->
- {"eta", "951"}, //greek small letter eta, U+03B7 ISOgrk3 -->
- {"theta", "952"}, //greek small letter theta,U+03B8 ISOgrk3 -->
- {"iota", "953"}, //greek small letter iota, U+03B9 ISOgrk3 -->
- {"kappa", "954"}, //greek small letter kappa,U+03BA ISOgrk3 -->
- {"lambda", "955"}, //greek small letter lambda,U+03BB ISOgrk3 -->
- {"mu", "956"}, //greek small letter mu, U+03BC ISOgrk3 -->
- {"nu", "957"}, //greek small letter nu, U+03BD ISOgrk3 -->
- {"xi", "958"}, //greek small letter xi, U+03BE ISOgrk3 -->
- {"omicron", "959"}, //greek small letter omicron, U+03BF NEW -->
- {"pi", "960"}, //greek small letter pi, U+03C0 ISOgrk3 -->
- {"rho", "961"}, //greek small letter rho, U+03C1 ISOgrk3 -->
- {"sigmaf", "962"}, //greek small letter final sigma,U+03C2 ISOgrk3 -->
- {"sigma", "963"}, //greek small letter sigma,U+03C3 ISOgrk3 -->
- {"tau", "964"}, //greek small letter tau, U+03C4 ISOgrk3 -->
- {"upsilon", "965"}, //greek small letter upsilon,U+03C5 ISOgrk3 -->
- {"phi", "966"}, //greek small letter phi, U+03C6 ISOgrk3 -->
- {"chi", "967"}, //greek small letter chi, U+03C7 ISOgrk3 -->
- {"psi", "968"}, //greek small letter psi, U+03C8 ISOgrk3 -->
- {"omega", "969"}, //greek small letter omega,U+03C9 ISOgrk3 -->
- {"thetasym", "977"}, //greek small letter theta symbol,U+03D1 NEW -->
- {"upsih", "978"}, //greek upsilon with hook symbol,U+03D2 NEW -->
- {"piv", "982"}, //greek pi symbol, U+03D6 ISOgrk3 -->
- // <!-- General Punctuation -->
- {"bull", "8226"}, //bullet = black small circle,U+2022 ISOpub -->
- // <!-- bullet is NOT the same as bullet operator, U+2219 -->
- {"hellip", "8230"}, //horizontal ellipsis = three dot leader,U+2026 ISOpub -->
- {"prime", "8242"}, //prime = minutes = feet, U+2032 ISOtech -->
- {"Prime", "8243"}, //double prime = seconds = inches,U+2033 ISOtech -->
- {"oline", "8254"}, //overline = spacing overscore,U+203E NEW -->
- {"frasl", "8260"}, //fraction slash, U+2044 NEW -->
- // <!-- Letterlike Symbols -->
- {"weierp", "8472"}, //script capital P = power set= Weierstrass p, U+2118 ISOamso -->
- {"image", "8465"}, //blackletter capital I = imaginary part,U+2111 ISOamso -->
- {"real", "8476"}, //blackletter capital R = real part symbol,U+211C ISOamso -->
- {"trade", "8482"}, //trade mark sign, U+2122 ISOnum -->
- {"alefsym", "8501"}, //alef symbol = first transfinite cardinal,U+2135 NEW -->
- // <!-- alef symbol is NOT the same as hebrew letter alef,U+05D0 although the same glyph could be used to depict both characters -->
- // <!-- Arrows -->
- {"larr", "8592"}, //leftwards arrow, U+2190 ISOnum -->
- {"uarr", "8593"}, //upwards arrow, U+2191 ISOnum-->
- {"rarr", "8594"}, //rightwards arrow, U+2192 ISOnum -->
- {"darr", "8595"}, //downwards arrow, U+2193 ISOnum -->
- {"harr", "8596"}, //left right arrow, U+2194 ISOamsa -->
- {"crarr", "8629"}, //downwards arrow with corner leftwards= carriage return, U+21B5 NEW -->
- {"lArr", "8656"}, //leftwards double arrow, U+21D0 ISOtech -->
- // <!-- ISO 10646 does not say that lArr is the same as the 'is implied by' arrowbut also does not have any other character for that function. So ? lArr canbe used for 'is implied by' as ISOtech suggests -->
- {"uArr", "8657"}, //upwards double arrow, U+21D1 ISOamsa -->
- {"rArr", "8658"}, //rightwards double arrow,U+21D2 ISOtech -->
- // <!-- ISO 10646 does not say this is the 'implies' character but does not have another character with this function so ?rArr can be used for 'implies' as ISOtech suggests -->
- {"dArr", "8659"}, //downwards double arrow, U+21D3 ISOamsa -->
- {"hArr", "8660"}, //left right double arrow,U+21D4 ISOamsa -->
- // <!-- Mathematical Operators -->
- {"forall", "8704"}, //for all, U+2200 ISOtech -->
- {"part", "8706"}, //partial differential, U+2202 ISOtech -->
- {"exist", "8707"}, //there exists, U+2203 ISOtech -->
- {"empty", "8709"}, //empty set = null set = diameter,U+2205 ISOamso -->
- {"nabla", "8711"}, //nabla = backward difference,U+2207 ISOtech -->
- {"isin", "8712"}, //element of, U+2208 ISOtech -->
- {"notin", "8713"}, //not an element of, U+2209 ISOtech -->
- {"ni", "8715"}, //contains as member, U+220B ISOtech -->
- // <!-- should there be a more memorable name than 'ni'? -->
- {"prod", "8719"}, //n-ary product = product sign,U+220F ISOamsb -->
- // <!-- prod is NOT the same character as U+03A0 'greek capital letter pi' thoughthe same glyph might be used for both -->
- {"sum", "8721"}, //n-ary sumation, U+2211 ISOamsb -->
- // <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'though the same glyph might be used for both -->
- {"minus", "8722"}, //minus sign, U+2212 ISOtech -->
- {"lowast", "8727"}, //asterisk operator, U+2217 ISOtech -->
- {"radic", "8730"}, //square root = radical sign,U+221A ISOtech -->
- {"prop", "8733"}, //proportional to, U+221D ISOtech -->
- {"infin", "8734"}, //infinity, U+221E ISOtech -->
- {"ang", "8736"}, //angle, U+2220 ISOamso -->
- {"and", "8743"}, //logical and = wedge, U+2227 ISOtech -->
- {"or", "8744"}, //logical or = vee, U+2228 ISOtech -->
- {"cap", "8745"}, //intersection = cap, U+2229 ISOtech -->
- {"cup", "8746"}, //union = cup, U+222A ISOtech -->
- {"int", "8747"}, //integral, U+222B ISOtech -->
- {"there4", "8756"}, //therefore, U+2234 ISOtech -->
- {"sim", "8764"}, //tilde operator = varies with = similar to,U+223C ISOtech -->
- // <!-- tilde operator is NOT the same character as the tilde, U+007E,although the same glyph might be used to represent both -->
- {"cong", "8773"}, //approximately equal to, U+2245 ISOtech -->
- {"asymp", "8776"}, //almost equal to = asymptotic to,U+2248 ISOamsr -->
- {"ne", "8800"}, //not equal to, U+2260 ISOtech -->
- {"equiv", "8801"}, //identical to, U+2261 ISOtech -->
- {"le", "8804"}, //less-than or equal to, U+2264 ISOtech -->
- {"ge", "8805"}, //greater-than or equal to,U+2265 ISOtech -->
- {"sub", "8834"}, //subset of, U+2282 ISOtech -->
- {"sup", "8835"}, //superset of, U+2283 ISOtech -->
- // <!-- note that nsup, 'not a superset of, U+2283' is not covered by the Symbol font encoding and is not included. Should it be, for symmetry?It is in ISOamsn --> <!ENTITY nsub", "8836"}, //not a subset of, U+2284 ISOamsn -->
- {"sube", "8838"}, //subset of or equal to, U+2286 ISOtech -->
- {"supe", "8839"}, //superset of or equal to,U+2287 ISOtech -->
- {"oplus", "8853"}, //circled plus = direct sum,U+2295 ISOamsb -->
- {"otimes", "8855"}, //circled times = vector product,U+2297 ISOamsb -->
- {"perp", "8869"}, //up tack = orthogonal to = perpendicular,U+22A5 ISOtech -->
- {"sdot", "8901"}, //dot operator, U+22C5 ISOamsb -->
- // <!-- dot operator is NOT the same character as U+00B7 middle dot -->
- // <!-- Miscellaneous Technical -->
- {"lceil", "8968"}, //left ceiling = apl upstile,U+2308 ISOamsc -->
- {"rceil", "8969"}, //right ceiling, U+2309 ISOamsc -->
- {"lfloor", "8970"}, //left floor = apl downstile,U+230A ISOamsc -->
- {"rfloor", "8971"}, //right floor, U+230B ISOamsc -->
- {"lang", "9001"}, //left-pointing angle bracket = bra,U+2329 ISOtech -->
- // <!-- lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation mark' -->
- {"rang", "9002"}, //right-pointing angle bracket = ket,U+232A ISOtech -->
- // <!-- rang is NOT the same character as U+003E 'greater than' or U+203A 'single right-pointing angle quotation mark' -->
- // <!-- Geometric Shapes -->
- {"loz", "9674"}, //lozenge, U+25CA ISOpub -->
- // <!-- Miscellaneous Symbols -->
- {"spades", "9824"}, //black spade suit, U+2660 ISOpub -->
- // <!-- black here seems to mean filled as opposed to hollow -->
- {"clubs", "9827"}, //black club suit = shamrock,U+2663 ISOpub -->
- {"hearts", "9829"}, //black heart suit = valentine,U+2665 ISOpub -->
- {"diams", "9830"}, //black diamond suit, U+2666 ISOpub -->
-
- // <!-- Latin Extended-A -->
- {"OElig", "338"}, // -- latin capital ligature OE,U+0152 ISOlat2 -->
- {"oelig", "339"}, // -- latin small ligature oe, U+0153 ISOlat2 -->
- // <!-- ligature is a misnomer, this is a separate character in some languages -->
- {"Scaron", "352"}, // -- latin capital letter S with caron,U+0160 ISOlat2 -->
- {"scaron", "353"}, // -- latin small letter s with caron,U+0161 ISOlat2 -->
- {"Yuml", "376"}, // -- latin capital letter Y with diaeresis,U+0178 ISOlat2 -->
- // <!-- Spacing Modifier Letters -->
- {"circ", "710"}, // -- modifier letter circumflex accent,U+02C6 ISOpub -->
- {"tilde", "732"}, //small tilde, U+02DC ISOdia -->
- // <!-- General Punctuation -->
- {"ensp", "8194"}, //en space, U+2002 ISOpub -->
- {"emsp", "8195"}, //em space, U+2003 ISOpub -->
- {"thinsp", "8201"}, //thin space, U+2009 ISOpub -->
- {"zwnj", "8204"}, //zero width non-joiner,U+200C NEW RFC 2070 -->
- {"zwj", "8205"}, //zero width joiner, U+200D NEW RFC 2070 -->
- {"lrm", "8206"}, //left-to-right mark, U+200E NEW RFC 2070 -->
- {"rlm", "8207"}, //right-to-left mark, U+200F NEW RFC 2070 -->
- {"ndash", "8211"}, //en dash, U+2013 ISOpub -->
- {"mdash", "8212"}, //em dash, U+2014 ISOpub -->
- {"lsquo", "8216"}, //left single quotation mark,U+2018 ISOnum -->
- {"rsquo", "8217"}, //right single quotation mark,U+2019 ISOnum -->
- {"sbquo", "8218"}, //single low-9 quotation mark, U+201A NEW -->
- {"ldquo", "8220"}, //left double quotation mark,U+201C ISOnum -->
- {"rdquo", "8221"}, //right double quotation mark,U+201D ISOnum -->
- {"bdquo", "8222"}, //double low-9 quotation mark, U+201E NEW -->
- {"dagger", "8224"}, //dagger, U+2020 ISOpub -->
- {"Dagger", "8225"}, //double dagger, U+2021 ISOpub -->
- {"permil", "8240"}, //per mille sign, U+2030 ISOtech -->
- {"lsaquo", "8249"}, //single left-pointing angle quotation mark,U+2039 ISO proposed -->
- // <!-- lsaquo is proposed but not yet ISO standardized -->
- {"rsaquo", "8250"}, //single right-pointing angle quotation mark,U+203A ISO proposed -->
- // <!-- rsaquo is proposed but not yet ISO standardized -->
- {"euro", "8364"}, // -- euro sign, U+20AC NEW -->
- };
-
- /**
- * <p>The set of entities supported by standard XML.</p>
- */
- public static final Entities XML;
-
- /**
- * <p>The set of entities supported by HTML 3.2.</p>
- */
- public static final Entities HTML32;
-
- /**
- * <p>The set of entities supported by HTML 4.0.</p>
- */
- public static final Entities HTML40;
-
- static {
- XML = new Entities();
- XML.addEntities(BASIC_ARRAY);
- XML.addEntities(APOS_ARRAY);
- }
-
- static {
- HTML32 = new Entities();
- HTML32.addEntities(BASIC_ARRAY);
- HTML32.addEntities(ISO8859_1_ARRAY);
- }
-
- static {
- HTML40 = new Entities();
- fillWithHtml40Entities(HTML40);
- }
-
- static void fillWithHtml40Entities(Entities entities) {
- entities.addEntities(BASIC_ARRAY);
- entities.addEntities(ISO8859_1_ARRAY);
- entities.addEntities(HTML40_ARRAY);
- }
-
- static interface EntityMap {
- void add(String name, int value);
-
- String name(int value);
-
- int value(String name);
- }
-
- static class PrimitiveEntityMap implements EntityMap {
- private Map mapNameToValue = new HashMap();
- private IntHashMap mapValueToName = new IntHashMap();
-
- public void add(String name, int value) {
- mapNameToValue.put(name, new Integer(value));
- mapValueToName.put(value, name);
- }
-
- public String name(int value) {
- return (String) mapValueToName.get(value);
- }
-
- public int value(String name) {
- Object value = mapNameToValue.get(name);
- if (value == null)
- return -1;
- return ((Integer) value).intValue();
- }
- }
-
-
- static abstract class MapIntMap implements Entities.EntityMap {
- protected Map mapNameToValue;
- protected Map mapValueToName;
-
- public void add(String name, int value) {
- mapNameToValue.put(name, new Integer(value));
- mapValueToName.put(new Integer(value), name);
- }
-
- public String name(int value) {
- return (String) mapValueToName.get(new Integer(value));
- }
-
- public int value(String name) {
- Object value = mapNameToValue.get(name);
- if (value == null)
- return -1;
- return ((Integer) value).intValue();
- }
- }
-
- static class HashEntityMap extends MapIntMap {
- public HashEntityMap() {
- mapNameToValue = new HashMap();
- mapValueToName = new HashMap();
- }
- }
-
- static class TreeEntityMap extends MapIntMap {
- public TreeEntityMap() {
- mapNameToValue = new TreeMap();
- mapValueToName = new TreeMap();
- }
- }
-
- static class LookupEntityMap extends PrimitiveEntityMap {
- private String[] lookupTable;
- private int LOOKUP_TABLE_SIZE = 256;
-
- public String name(int value) {
- if (value < LOOKUP_TABLE_SIZE) {
- return lookupTable()[value];
- }
- return super.name(value);
- }
-
- private String[] lookupTable() {
- if (lookupTable == null) {
- createLookupTable();
- }
- return lookupTable;
- }
-
- private void createLookupTable() {
- lookupTable = new String[LOOKUP_TABLE_SIZE];
- for (int i = 0; i < LOOKUP_TABLE_SIZE; ++i) {
- lookupTable[i] = super.name(i);
- }
- }
- }
-
- static class ArrayEntityMap implements EntityMap {
- protected int growBy = 100;
- protected int size = 0;
- protected String[] names;
- protected int[] values;
-
- public ArrayEntityMap() {
- names = new String[growBy];
- values = new int[growBy];
- }
-
- public ArrayEntityMap(int growBy) {
- this.growBy = growBy;
- names = new String[growBy];
- values = new int[growBy];
- }
-
- public void add(String name, int value) {
- ensureCapacity(size + 1);
- names[size] = name;
- values[size] = value;
- size++;
- }
-
- protected void ensureCapacity(int capacity) {
- if (capacity > names.length) {
- int newSize = Math.max(capacity, size + growBy);
- String[] newNames = new String[newSize];
- System.arraycopy(names, 0, newNames, 0, size);
- names = newNames;
- int[] newValues = new int[newSize];
- System.arraycopy(values, 0, newValues, 0, size);
- values = newValues;
- }
- }
-
- public String name(int value) {
- for (int i = 0; i < size; ++i) {
- if (values[i] == value) {
- return names[i];
- }
- }
- return null;
- }
-
- public int value(String name) {
- for (int i = 0; i < size; ++i) {
- if (names[i].equals(name)) {
- return values[i];
- }
- }
- return -1;
- }
- }
-
- static class BinaryEntityMap extends ArrayEntityMap {
-
- public BinaryEntityMap() {
- }
-
- public BinaryEntityMap(int growBy) {
- super(growBy);
- }
-
- // based on code in java.util.Arrays
- private int binarySearch(int key) {
- int low = 0;
- int high = size - 1;
-
- while (low <= high) {
- int mid = (low + high) >> 1;
- int midVal = values[mid];
-
- if (midVal < key)
- low = mid + 1;
- else if (midVal > key)
- high = mid - 1;
- else
- return mid; // key found
- }
- return -(low + 1); // key not found.
- }
-
- public void add(String name, int value) {
- ensureCapacity(size + 1);
- int insertAt = binarySearch(value);
- if (insertAt > 0) return; // note: this means you can't insert the same value twice
- insertAt = -(insertAt + 1); // binarySearch returns it negative and off-by-one
- System.arraycopy(values, insertAt, values, insertAt + 1, size - insertAt);
- values[insertAt] = value;
- System.arraycopy(names, insertAt, names, insertAt + 1, size - insertAt);
- names[insertAt] = name;
- size++;
- }
-
- public String name(int value) {
- int index = binarySearch(value);
- if (index < 0) return null;
- return names[index];
- }
- }
-
- // package scoped for testing
- EntityMap map = new Entities.LookupEntityMap();
-
- public void addEntities(String[][] entityArray) {
- for (int i = 0; i < entityArray.length; ++i) {
- addEntity(entityArray[i][0], Integer.parseInt(entityArray[i][1]));
- }
- }
-
- public void addEntity(String name, int value) {
- map.add(name, value);
- }
-
- public String entityName(int value) {
- return map.name(value);
- }
-
-
- public int entityValue(String name) {
- return map.value(name);
- }
-
- /**
- * <p>Escapes the characters in a <code>String</code>.</p>
- *
- * <p>For example, if you have called addEntity("foo", 0xA1),
- * escape("\u00A1") will return "&foo;"</p>
- *
- * @param str The <code>String</code> to escape.
- * @return A new escaped <code>String</code>.
- */
- public String escape(String str) {
- //todo: rewrite to use a Writer
- StringBuffer buf = new StringBuffer(str.length() * 2);
- int i;
- for (i = 0; i < str.length(); ++i) {
- char ch = str.charAt(i);
- String entityName = this.entityName(ch);
- if (entityName == null) {
- if (ch > 0x7F) {
- int intValue = ch;
- buf.append("");
- buf.append(intValue);
- buf.append(';');
- } else {
- buf.append(ch);
- }
- } else {
- buf.append('&');
- buf.append(entityName);
- buf.append(';');
- }
- }
- return buf.toString();
- }
-
- /**
- * <p>Unescapes the entities in a <code>String</code>.</p>
- *
- * <p>For example, if you have called addEntity("foo", 0xA1),
- * unescape("&foo;") will return "\u00A1"</p>
- *
- * @param str The <code>String</code> to escape.
- * @return A new escaped <code>String</code>.
- */
- public String unescape(String str) {
- StringBuffer buf = new StringBuffer(str.length());
- int i;
- for (i = 0; i < str.length(); ++i) {
- char ch = str.charAt(i);
- if (ch == '&') {
- int semi = str.indexOf(';', i + 1);
- if (semi == -1) {
- buf.append(ch);
- continue;
- }
- String entityName = str.substring(i + 1, semi);
- int entityValue;
- if (entityName.charAt(0) == '#') {
- entityValue = Integer.parseInt(entityName.substring(1));
- } else {
- entityValue = this.entityValue(entityName);
- }
- if (entityValue == -1) {
- buf.append('&');
- buf.append(entityName);
- buf.append(';');
- } else {
- buf.append((char) (entityValue));
- }
- i = semi;
- } else {
- buf.append(ch);
- }
- }
- return buf.toString();
- }
-
- }