001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 /* Taken from: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/java/org/apache/commons/lang/Entities.java?revision=636641 */ 019 package org.openstreetmap.josm.data.validation.util; 020 021 import java.util.HashMap; 022 import java.util.Map; 023 024 /** 025 * <p> 026 * Provides HTML and XML entity utilities. 027 * </p> 028 * @see <a href="http://hotwired.lycos.com/webmonkey/reference/special_characters/">ISO Entities</a> 029 * @see <a href="http://www.w3.org/TR/REC-html32#latin1">HTML 3.2 Character Entities for ISO Latin-1</a> 030 * @see <a href="http://www.w3.org/TR/REC-html40/sgml/entities.html">HTML 4.0 Character entity references</a> 031 * @see <a href="http://www.w3.org/TR/html401/charset.html#h-5.3">HTML 4.01 Character References</a> 032 * @see <a href="http://www.w3.org/TR/html401/charset.html#code-position">HTML 4.01 Code positions</a> 033 */ 034 public class Entities { 035 private static final String[][] ARRAY = { 036 /* BASIC */ 037 {"quot", "34"}, // " - double-quote 038 {"amp", "38"}, // & - ampersand 039 {"lt", "60"}, // < - less-than 040 {"gt", "62"}, // > - greater-than 041 /* XML */ 042 {"apos", "39"}, // XML apostrophe 043 /* ISO8859_1 */ 044 {"nbsp", "160"}, // non-breaking space 045 {"iexcl", "161"}, // inverted exclamation mark 046 {"cent", "162"}, // cent sign 047 {"pound", "163"}, // pound sign 048 {"curren", "164"}, // currency sign 049 {"yen", "165"}, // yen sign = yuan sign 050 {"brvbar", "166"}, // broken bar = broken vertical bar 051 {"sect", "167"}, // section sign 052 {"uml", "168"}, // diaeresis = spacing diaeresis 053 {"copy", "169"}, // ?? - copyright sign 054 {"ordf", "170"}, // feminine ordinal indicator 055 {"laquo", "171"}, // left-pointing double angle quotation mark = left pointing guillemet 056 {"not", "172"}, // not sign 057 {"shy", "173"}, // soft hyphen = discretionary hyphen 058 {"reg", "174"}, // ?? - registered trademark sign 059 {"macr", "175"}, // macron = spacing macron = overline = APL overbar 060 {"deg", "176"}, // degree sign 061 {"plusmn", "177"}, // plus-minus sign = plus-or-minus sign 062 {"sup2", "178"}, // superscript two = superscript digit two = squared 063 {"sup3", "179"}, // superscript three = superscript digit three = cubed 064 {"acute", "180"}, // acute accent = spacing acute 065 {"micro", "181"}, // micro sign 066 {"para", "182"}, // pilcrow sign = paragraph sign 067 {"middot", "183"}, // middle dot = Georgian comma = Greek middle dot 068 {"cedil", "184"}, // cedilla = spacing cedilla 069 {"sup1", "185"}, // superscript one = superscript digit one 070 {"ordm", "186"}, // masculine ordinal indicator 071 {"raquo", "187"}, // right-pointing double angle quotation mark = right pointing guillemet 072 {"frac14", "188"}, // vulgar fraction one quarter = fraction one quarter 073 {"frac12", "189"}, // vulgar fraction one half = fraction one half 074 {"frac34", "190"}, // vulgar fraction three quarters = fraction three quarters 075 {"iquest", "191"}, // inverted question mark = turned question mark 076 {"Agrave", "192"}, // ?? - uppercase A, grave accent 077 {"Aacute", "193"}, // ?? - uppercase A, acute accent 078 {"Acirc", "194"}, // ?? - uppercase A, circumflex accent 079 {"Atilde", "195"}, // ?? - uppercase A, tilde 080 {"Auml", "196"}, // ?? - uppercase A, umlaut 081 {"Aring", "197"}, // ?? - uppercase A, ring 082 {"AElig", "198"}, // ?? - uppercase AE 083 {"Ccedil", "199"}, // ?? - uppercase C, cedilla 084 {"Egrave", "200"}, // ?? - uppercase E, grave accent 085 {"Eacute", "201"}, // ?? - uppercase E, acute accent 086 {"Ecirc", "202"}, // ?? - uppercase E, circumflex accent 087 {"Euml", "203"}, // ?? - uppercase E, umlaut 088 {"Igrave", "204"}, // ?? - uppercase I, grave accent 089 {"Iacute", "205"}, // ?? - uppercase I, acute accent 090 {"Icirc", "206"}, // ?? - uppercase I, circumflex accent 091 {"Iuml", "207"}, // ?? - uppercase I, umlaut 092 {"ETH", "208"}, // ?? - uppercase Eth, Icelandic 093 {"Ntilde", "209"}, // ?? - uppercase N, tilde 094 {"Ograve", "210"}, // ?? - uppercase O, grave accent 095 {"Oacute", "211"}, // ?? - uppercase O, acute accent 096 {"Ocirc", "212"}, // ?? - uppercase O, circumflex accent 097 {"Otilde", "213"}, // ?? - uppercase O, tilde 098 {"Ouml", "214"}, // ?? - uppercase O, umlaut 099 {"times", "215"}, // multiplication sign 100 {"Oslash", "216"}, // ?? - uppercase O, slash 101 {"Ugrave", "217"}, // ?? - uppercase U, grave accent 102 {"Uacute", "218"}, // ?? - uppercase U, acute accent 103 {"Ucirc", "219"}, // ?? - uppercase U, circumflex accent 104 {"Uuml", "220"}, // ?? - uppercase U, umlaut 105 {"Yacute", "221"}, // ?? - uppercase Y, acute accent 106 {"THORN", "222"}, // ?? - uppercase THORN, Icelandic 107 {"szlig", "223"}, // ?? - lowercase sharps, German 108 {"agrave", "224"}, // ?? - lowercase a, grave accent 109 {"aacute", "225"}, // ?? - lowercase a, acute accent 110 {"acirc", "226"}, // ?? - lowercase a, circumflex accent 111 {"atilde", "227"}, // ?? - lowercase a, tilde 112 {"auml", "228"}, // ?? - lowercase a, umlaut 113 {"aring", "229"}, // ?? - lowercase a, ring 114 {"aelig", "230"}, // ?? - lowercase ae 115 {"ccedil", "231"}, // ?? - lowercase c, cedilla 116 {"egrave", "232"}, // ?? - lowercase e, grave accent 117 {"eacute", "233"}, // ?? - lowercase e, acute accent 118 {"ecirc", "234"}, // ?? - lowercase e, circumflex accent 119 {"euml", "235"}, // ?? - lowercase e, umlaut 120 {"igrave", "236"}, // ?? - lowercase i, grave accent 121 {"iacute", "237"}, // ?? - lowercase i, acute accent 122 {"icirc", "238"}, // ?? - lowercase i, circumflex accent 123 {"iuml", "239"}, // ?? - lowercase i, umlaut 124 {"eth", "240"}, // ?? - lowercase eth, Icelandic 125 {"ntilde", "241"}, // ?? - lowercase n, tilde 126 {"ograve", "242"}, // ?? - lowercase o, grave accent 127 {"oacute", "243"}, // ?? - lowercase o, acute accent 128 {"ocirc", "244"}, // ?? - lowercase o, circumflex accent 129 {"otilde", "245"}, // ?? - lowercase o, tilde 130 {"ouml", "246"}, // ?? - lowercase o, umlaut 131 {"divide", "247"}, // division sign 132 {"oslash", "248"}, // ?? - lowercase o, slash 133 {"ugrave", "249"}, // ?? - lowercase u, grave accent 134 {"uacute", "250"}, // ?? - lowercase u, acute accent 135 {"ucirc", "251"}, // ?? - lowercase u, circumflex accent 136 {"uuml", "252"}, // ?? - lowercase u, umlaut 137 {"yacute", "253"}, // ?? - lowercase y, acute accent 138 {"thorn", "254"}, // ?? - lowercase thorn, Icelandic 139 {"yuml", "255"}, // ?? - lowercase y, umlaut 140 /* HTML 40 */ 141 // <!-- Latin Extended-B --> 142 {"fnof", "402"}, // latin small f with hook = function= florin, U+0192 ISOtech --> 143 // <!-- Greek --> 144 {"Alpha", "913"}, // greek capital letter alpha, U+0391 --> 145 {"Beta", "914"}, // greek capital letter beta, U+0392 --> 146 {"Gamma", "915"}, // greek capital letter gamma,U+0393 ISOgrk3 --> 147 {"Delta", "916"}, // greek capital letter delta,U+0394 ISOgrk3 --> 148 {"Epsilon", "917"}, // greek capital letter epsilon, U+0395 --> 149 {"Zeta", "918"}, // greek capital letter zeta, U+0396 --> 150 {"Eta", "919"}, // greek capital letter eta, U+0397 --> 151 {"Theta", "920"}, // greek capital letter theta,U+0398 ISOgrk3 --> 152 {"Iota", "921"}, // greek capital letter iota, U+0399 --> 153 {"Kappa", "922"}, // greek capital letter kappa, U+039A --> 154 {"Lambda", "923"}, // greek capital letter lambda,U+039B ISOgrk3 --> 155 {"Mu", "924"}, // greek capital letter mu, U+039C --> 156 {"Nu", "925"}, // greek capital letter nu, U+039D --> 157 {"Xi", "926"}, // greek capital letter xi, U+039E ISOgrk3 --> 158 {"Omicron", "927"}, // greek capital letter omicron, U+039F --> 159 {"Pi", "928"}, // greek capital letter pi, U+03A0 ISOgrk3 --> 160 {"Rho", "929"}, // greek capital letter rho, U+03A1 --> 161 // <!-- there is no Sigmaf, and no U+03A2 character either --> 162 {"Sigma", "931"}, // greek capital letter sigma,U+03A3 ISOgrk3 --> 163 {"Tau", "932"}, // greek capital letter tau, U+03A4 --> 164 {"Upsilon", "933"}, // greek capital letter upsilon,U+03A5 ISOgrk3 --> 165 {"Phi", "934"}, // greek capital letter phi,U+03A6 ISOgrk3 --> 166 {"Chi", "935"}, // greek capital letter chi, U+03A7 --> 167 {"Psi", "936"}, // greek capital letter psi,U+03A8 ISOgrk3 --> 168 {"Omega", "937"}, // greek capital letter omega,U+03A9 ISOgrk3 --> 169 {"alpha", "945"}, // greek small letter alpha,U+03B1 ISOgrk3 --> 170 {"beta", "946"}, // greek small letter beta, U+03B2 ISOgrk3 --> 171 {"gamma", "947"}, // greek small letter gamma,U+03B3 ISOgrk3 --> 172 {"delta", "948"}, // greek small letter delta,U+03B4 ISOgrk3 --> 173 {"epsilon", "949"}, // greek small letter epsilon,U+03B5 ISOgrk3 --> 174 {"zeta", "950"}, // greek small letter zeta, U+03B6 ISOgrk3 --> 175 {"eta", "951"}, // greek small letter eta, U+03B7 ISOgrk3 --> 176 {"theta", "952"}, // greek small letter theta,U+03B8 ISOgrk3 --> 177 {"iota", "953"}, // greek small letter iota, U+03B9 ISOgrk3 --> 178 {"kappa", "954"}, // greek small letter kappa,U+03BA ISOgrk3 --> 179 {"lambda", "955"}, // greek small letter lambda,U+03BB ISOgrk3 --> 180 {"mu", "956"}, // greek small letter mu, U+03BC ISOgrk3 --> 181 {"nu", "957"}, // greek small letter nu, U+03BD ISOgrk3 --> 182 {"xi", "958"}, // greek small letter xi, U+03BE ISOgrk3 --> 183 {"omicron", "959"}, // greek small letter omicron, U+03BF NEW --> 184 {"pi", "960"}, // greek small letter pi, U+03C0 ISOgrk3 --> 185 {"rho", "961"}, // greek small letter rho, U+03C1 ISOgrk3 --> 186 {"sigmaf", "962"}, // greek small letter final sigma,U+03C2 ISOgrk3 --> 187 {"sigma", "963"}, // greek small letter sigma,U+03C3 ISOgrk3 --> 188 {"tau", "964"}, // greek small letter tau, U+03C4 ISOgrk3 --> 189 {"upsilon", "965"}, // greek small letter upsilon,U+03C5 ISOgrk3 --> 190 {"phi", "966"}, // greek small letter phi, U+03C6 ISOgrk3 --> 191 {"chi", "967"}, // greek small letter chi, U+03C7 ISOgrk3 --> 192 {"psi", "968"}, // greek small letter psi, U+03C8 ISOgrk3 --> 193 {"omega", "969"}, // greek small letter omega,U+03C9 ISOgrk3 --> 194 {"thetasym", "977"}, // greek small letter theta symbol,U+03D1 NEW --> 195 {"upsih", "978"}, // greek upsilon with hook symbol,U+03D2 NEW --> 196 {"piv", "982"}, // greek pi symbol, U+03D6 ISOgrk3 --> 197 // <!-- General Punctuation --> 198 {"bull", "8226"}, // bullet = black small circle,U+2022 ISOpub --> 199 // <!-- bullet is NOT the same as bullet operator, U+2219 --> 200 {"hellip", "8230"}, // horizontal ellipsis = three dot leader,U+2026 ISOpub --> 201 {"prime", "8242"}, // prime = minutes = feet, U+2032 ISOtech --> 202 {"Prime", "8243"}, // double prime = seconds = inches,U+2033 ISOtech --> 203 {"oline", "8254"}, // overline = spacing overscore,U+203E NEW --> 204 {"frasl", "8260"}, // fraction slash, U+2044 NEW --> 205 // <!-- Letterlike Symbols --> 206 {"weierp", "8472"}, // script capital P = power set= Weierstrass p, U+2118 ISOamso --> 207 {"image", "8465"}, // blackletter capital I = imaginary part,U+2111 ISOamso --> 208 {"real", "8476"}, // blackletter capital R = real part symbol,U+211C ISOamso --> 209 {"trade", "8482"}, // trade mark sign, U+2122 ISOnum --> 210 {"alefsym", "8501"}, // alef symbol = first transfinite cardinal,U+2135 NEW --> 211 // <!-- alef symbol is NOT the same as hebrew letter alef,U+05D0 although the 212 // same glyph could be used to depict both characters --> 213 // <!-- Arrows --> 214 {"larr", "8592"}, // leftwards arrow, U+2190 ISOnum --> 215 {"uarr", "8593"}, // upwards arrow, U+2191 ISOnum--> 216 {"rarr", "8594"}, // rightwards arrow, U+2192 ISOnum --> 217 {"darr", "8595"}, // downwards arrow, U+2193 ISOnum --> 218 {"harr", "8596"}, // left right arrow, U+2194 ISOamsa --> 219 {"crarr", "8629"}, // downwards arrow with corner leftwards= carriage return, U+21B5 NEW --> 220 {"lArr", "8656"}, // leftwards double arrow, U+21D0 ISOtech --> 221 // <!-- ISO 10646 does not say that lArr is the same as the 'is implied by' 222 // arrow but also does not have any other character for that function. 223 // So ? lArr canbe used for 'is implied by' as ISOtech suggests --> 224 {"uArr", "8657"}, // upwards double arrow, U+21D1 ISOamsa --> 225 {"rArr", "8658"}, // rightwards double arrow,U+21D2 ISOtech --> 226 // <!-- ISO 10646 does not say this is the 'implies' character but does not 227 // have another character with this function so ?rArr can be used for 228 // 'implies' as ISOtech suggests --> 229 {"dArr", "8659"}, // downwards double arrow, U+21D3 ISOamsa --> 230 {"hArr", "8660"}, // left right double arrow,U+21D4 ISOamsa --> 231 // <!-- Mathematical Operators --> 232 {"forall", "8704"}, // for all, U+2200 ISOtech --> 233 {"part", "8706"}, // partial differential, U+2202 ISOtech --> 234 {"exist", "8707"}, // there exists, U+2203 ISOtech --> 235 {"empty", "8709"}, // empty set = null set = diameter,U+2205 ISOamso --> 236 {"nabla", "8711"}, // nabla = backward difference,U+2207 ISOtech --> 237 {"isin", "8712"}, // element of, U+2208 ISOtech --> 238 {"notin", "8713"}, // not an element of, U+2209 ISOtech --> 239 {"ni", "8715"}, // contains as member, U+220B ISOtech --> 240 // <!-- should there be a more memorable name than 'ni'? --> 241 {"prod", "8719"}, // n-ary product = product sign,U+220F ISOamsb --> 242 // <!-- prod is NOT the same character as U+03A0 'greek capital letter pi' 243 // though the same glyph might be used for both --> 244 {"sum", "8721"}, // n-ary summation, U+2211 ISOamsb --> 245 // <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma' 246 // though the same glyph might be used for both --> 247 {"minus", "8722"}, // minus sign, U+2212 ISOtech --> 248 {"lowast", "8727"}, // asterisk operator, U+2217 ISOtech --> 249 {"radic", "8730"}, // square root = radical sign,U+221A ISOtech --> 250 {"prop", "8733"}, // proportional to, U+221D ISOtech --> 251 {"infin", "8734"}, // infinity, U+221E ISOtech --> 252 {"ang", "8736"}, // angle, U+2220 ISOamso --> 253 {"and", "8743"}, // logical and = wedge, U+2227 ISOtech --> 254 {"or", "8744"}, // logical or = vee, U+2228 ISOtech --> 255 {"cap", "8745"}, // intersection = cap, U+2229 ISOtech --> 256 {"cup", "8746"}, // union = cup, U+222A ISOtech --> 257 {"int", "8747"}, // integral, U+222B ISOtech --> 258 {"there4", "8756"}, // therefore, U+2234 ISOtech --> 259 {"sim", "8764"}, // tilde operator = varies with = similar to,U+223C ISOtech --> 260 // <!-- tilde operator is NOT the same character as the tilde, U+007E,although 261 // the same glyph might be used to represent both --> 262 {"cong", "8773"}, // approximately equal to, U+2245 ISOtech --> 263 {"asymp", "8776"}, // almost equal to = asymptotic to,U+2248 ISOamsr --> 264 {"ne", "8800"}, // not equal to, U+2260 ISOtech --> 265 {"equiv", "8801"}, // identical to, U+2261 ISOtech --> 266 {"le", "8804"}, // less-than or equal to, U+2264 ISOtech --> 267 {"ge", "8805"}, // greater-than or equal to,U+2265 ISOtech --> 268 {"sub", "8834"}, // subset of, U+2282 ISOtech --> 269 {"sup", "8835"}, // superset of, U+2283 ISOtech --> 270 // <!-- note that nsup, 'not a superset of, U+2283' is not covered by the 271 // Symbol font encoding and is not included. Should it be, for symmetry? 272 // It is in ISOamsn --> <!ENTITY nsub", "8836"}, 273 // not a subset of, U+2284 ISOamsn --> 274 {"sube", "8838"}, // subset of or equal to, U+2286 ISOtech --> 275 {"supe", "8839"}, // superset of or equal to,U+2287 ISOtech --> 276 {"oplus", "8853"}, // circled plus = direct sum,U+2295 ISOamsb --> 277 {"otimes", "8855"}, // circled times = vector product,U+2297 ISOamsb --> 278 {"perp", "8869"}, // up tack = orthogonal to = perpendicular,U+22A5 ISOtech --> 279 {"sdot", "8901"}, // dot operator, U+22C5 ISOamsb --> 280 // <!-- dot operator is NOT the same character as U+00B7 middle dot --> 281 // <!-- Miscellaneous Technical --> 282 {"lceil", "8968"}, // left ceiling = apl upstile,U+2308 ISOamsc --> 283 {"rceil", "8969"}, // right ceiling, U+2309 ISOamsc --> 284 {"lfloor", "8970"}, // left floor = apl downstile,U+230A ISOamsc --> 285 {"rfloor", "8971"}, // right floor, U+230B ISOamsc --> 286 {"lang", "9001"}, // left-pointing angle bracket = bra,U+2329 ISOtech --> 287 // <!-- lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation 288 // mark' --> 289 {"rang", "9002"}, // right-pointing angle bracket = ket,U+232A ISOtech --> 290 // <!-- rang is NOT the same character as U+003E 'greater than' or U+203A 291 // 'single right-pointing angle quotation mark' --> 292 // <!-- Geometric Shapes --> 293 {"loz", "9674"}, // lozenge, U+25CA ISOpub --> 294 // <!-- Miscellaneous Symbols --> 295 {"spades", "9824"}, // black spade suit, U+2660 ISOpub --> 296 // <!-- black here seems to mean filled as opposed to hollow --> 297 {"clubs", "9827"}, // black club suit = shamrock,U+2663 ISOpub --> 298 {"hearts", "9829"}, // black heart suit = valentine,U+2665 ISOpub --> 299 {"diams", "9830"}, // black diamond suit, U+2666 ISOpub --> 300 301 // <!-- Latin Extended-A --> 302 {"OElig", "338"}, // -- latin capital ligature OE,U+0152 ISOlat2 --> 303 {"oelig", "339"}, // -- latin small ligature oe, U+0153 ISOlat2 --> 304 // <!-- ligature is a misnomer, this is a separate character in some languages --> 305 {"Scaron", "352"}, // -- latin capital letter S with caron,U+0160 ISOlat2 --> 306 {"scaron", "353"}, // -- latin small letter s with caron,U+0161 ISOlat2 --> 307 {"Yuml", "376"}, // -- latin capital letter Y with diaeresis,U+0178 ISOlat2 --> 308 // <!-- Spacing Modifier Letters --> 309 {"circ", "710"}, // -- modifier letter circumflex accent,U+02C6 ISOpub --> 310 {"tilde", "732"}, // small tilde, U+02DC ISOdia --> 311 // <!-- General Punctuation --> 312 {"ensp", "8194"}, // en space, U+2002 ISOpub --> 313 {"emsp", "8195"}, // em space, U+2003 ISOpub --> 314 {"thinsp", "8201"}, // thin space, U+2009 ISOpub --> 315 {"zwnj", "8204"}, // zero width non-joiner,U+200C NEW RFC 2070 --> 316 {"zwj", "8205"}, // zero width joiner, U+200D NEW RFC 2070 --> 317 {"lrm", "8206"}, // left-to-right mark, U+200E NEW RFC 2070 --> 318 {"rlm", "8207"}, // right-to-left mark, U+200F NEW RFC 2070 --> 319 {"ndash", "8211"}, // en dash, U+2013 ISOpub --> 320 {"mdash", "8212"}, // em dash, U+2014 ISOpub --> 321 {"lsquo", "8216"}, // left single quotation mark,U+2018 ISOnum --> 322 {"rsquo", "8217"}, // right single quotation mark,U+2019 ISOnum --> 323 {"sbquo", "8218"}, // single low-9 quotation mark, U+201A NEW --> 324 {"ldquo", "8220"}, // left double quotation mark,U+201C ISOnum --> 325 {"rdquo", "8221"}, // right double quotation mark,U+201D ISOnum --> 326 {"bdquo", "8222"}, // double low-9 quotation mark, U+201E NEW --> 327 {"dagger", "8224"}, // dagger, U+2020 ISOpub --> 328 {"Dagger", "8225"}, // double dagger, U+2021 ISOpub --> 329 {"permil", "8240"}, // per mille sign, U+2030 ISOtech --> 330 {"lsaquo", "8249"}, // single left-pointing angle quotation mark,U+2039 ISO proposed --> 331 // <!-- lsaquo is proposed but not yet ISO standardized --> 332 {"rsaquo", "8250"}, // single right-pointing angle quotation mark,U+203A ISO proposed --> 333 // <!-- rsaquo is proposed but not yet ISO standardized --> 334 {"euro", "8364"}, // -- euro sign, U+20AC NEW --> 335 }; 336 337 private static Map<String, String> mapNameToValue = null; 338 339 public String unescape(String str) { 340 int firstAmp = str.indexOf('&'); 341 if (firstAmp < 0) 342 return str; 343 String res = str.substring(0, firstAmp); 344 int len = str.length(); 345 for (int i = firstAmp; i < len; i++) { 346 char c = str.charAt(i); 347 if (c == '&') { 348 int nextIdx = i + 1; 349 int semiColonIdx = str.indexOf(';', nextIdx); 350 if (semiColonIdx == -1) { 351 res += c; 352 continue; 353 } 354 int amphersandIdx = str.indexOf('&', i + 1); 355 if (amphersandIdx != -1 && amphersandIdx < semiColonIdx) { 356 // Then the text looks like &...&...; 357 res += c; 358 continue; 359 } 360 String entityContent = str.substring(nextIdx, semiColonIdx); 361 int entityValue = -1; 362 int entityContentLen = entityContent.length(); 363 if (entityContentLen > 0) { 364 if (entityContent.charAt(0) == '#') { // escaped value content is an integer (decimal or 365 // hexidecimal) 366 if (entityContentLen > 1) { 367 char isHexChar = entityContent.charAt(1); 368 try { 369 switch (isHexChar) { 370 case 'X' : 371 case 'x' : { 372 entityValue = Integer.parseInt(entityContent.substring(2), 16); 373 break; 374 } 375 default : { 376 entityValue = Integer.parseInt(entityContent.substring(1), 10); 377 } 378 } 379 if (entityValue > 0xFFFF) { 380 entityValue = -1; 381 } 382 } catch (NumberFormatException e) { 383 entityValue = -1; 384 } 385 } 386 } else { // escaped value content is an entity name 387 if(mapNameToValue == null) 388 { 389 mapNameToValue = new HashMap<String, String>(); 390 for (int in = 0; in < ARRAY.length; ++in) 391 mapNameToValue.put(ARRAY[in][0], ARRAY[in][1]); 392 } 393 String value = mapNameToValue.get(entityContent); 394 entityValue = (value == null ? -1 : Integer.parseInt(value)); 395 } 396 } 397 398 if (entityValue == -1) { 399 res += '&' + entityContent + ';'; 400 } else { 401 res += (char) entityValue; 402 } 403 i = semiColonIdx; // move index up to the semi-colon 404 } else { 405 res += c; 406 } 407 } 408 return res; 409 } 410 }