source: josm/trunk/src/org/openstreetmap/josm/data/validation/util/Entities.java@ 8395

Last change on this file since 8395 was 8395, checked in by Don-vip, 9 years ago

convention - An open curly brace should be located at the end of a line

  • Property svn:eol-style set to native
File size: 23.5 KB
Line 
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/* Taken from: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/java/org/apache/commons/lang/Entities.java?revision=636641 */
19package org.openstreetmap.josm.data.validation.util;
20
21import java.util.HashMap;
22import java.util.Map;
23
24/**
25 * <p>
26 * Provides HTML and XML entity utilities.
27 * </p>
28 * @see <a href="http://www.w3.org/TR/REC-html32#latin1">HTML 3.2 Character Entities for ISO Latin-1</a>
29 * @see <a href="http://www.w3.org/TR/REC-html40/sgml/entities.html">HTML 4.0 Character entity references</a>
30 * @see <a href="http://www.w3.org/TR/html401/charset.html#h-5.3">HTML 4.01 Character References</a>
31 * @see <a href="http://www.w3.org/TR/html401/charset.html#code-position">HTML 4.01 Code positions</a>
32 */
33public class Entities {
34 private static final String[][] ARRAY = {
35 /* BASIC */
36 {"quot", "34"}, // " - double-quote
37 {"amp", "38"}, // & - ampersand
38 {"lt", "60"}, // < - less-than
39 {"gt", "62"}, // > - greater-than
40 /* XML */
41 {"apos", "39"}, // XML apostrophe
42 /* ISO8859_1 */
43 {"nbsp", "160"}, // non-breaking space
44 {"iexcl", "161"}, // inverted exclamation mark
45 {"cent", "162"}, // cent sign
46 {"pound", "163"}, // pound sign
47 {"curren", "164"}, // currency sign
48 {"yen", "165"}, // yen sign = yuan sign
49 {"brvbar", "166"}, // broken bar = broken vertical bar
50 {"sect", "167"}, // section sign
51 {"uml", "168"}, // diaeresis = spacing diaeresis
52 {"copy", "169"}, // © - copyright sign
53 {"ordf", "170"}, // feminine ordinal indicator
54 {"laquo", "171"}, // left-pointing double angle quotation mark = left pointing guillemet
55 {"not", "172"}, // not sign
56 {"shy", "173"}, // soft hyphen = discretionary hyphen
57 {"reg", "174"}, // ® - registered trademark sign
58 {"macr", "175"}, // macron = spacing macron = overline = APL overbar
59 {"deg", "176"}, // degree sign
60 {"plusmn", "177"}, // plus-minus sign = plus-or-minus sign
61 {"sup2", "178"}, // superscript two = superscript digit two = squared
62 {"sup3", "179"}, // superscript three = superscript digit three = cubed
63 {"acute", "180"}, // acute accent = spacing acute
64 {"micro", "181"}, // micro sign
65 {"para", "182"}, // pilcrow sign = paragraph sign
66 {"middot", "183"}, // middle dot = Georgian comma = Greek middle dot
67 {"cedil", "184"}, // cedilla = spacing cedilla
68 {"sup1", "185"}, // superscript one = superscript digit one
69 {"ordm", "186"}, // masculine ordinal indicator
70 {"raquo", "187"}, // right-pointing double angle quotation mark = right pointing guillemet
71 {"frac14", "188"}, // vulgar fraction one quarter = fraction one quarter
72 {"frac12", "189"}, // vulgar fraction one half = fraction one half
73 {"frac34", "190"}, // vulgar fraction three quarters = fraction three quarters
74 {"iquest", "191"}, // inverted question mark = turned question mark
75 {"Agrave", "192"}, // À - uppercase A, grave accent
76 {"Aacute", "193"}, // Á - uppercase A, acute accent
77 {"Acirc", "194"}, // Â - uppercase A, circumflex accent
78 {"Atilde", "195"}, // Ã - uppercase A, tilde
79 {"Auml", "196"}, // Ä - uppercase A, umlaut
80 {"Aring", "197"}, // Å - uppercase A, ring
81 {"AElig", "198"}, // Æ - uppercase AE
82 {"Ccedil", "199"}, // Ç - uppercase C, cedilla
83 {"Egrave", "200"}, // È - uppercase E, grave accent
84 {"Eacute", "201"}, // É - uppercase E, acute accent
85 {"Ecirc", "202"}, // Ê - uppercase E, circumflex accent
86 {"Euml", "203"}, // Ë - uppercase E, umlaut
87 {"Igrave", "204"}, // Ì - uppercase I, grave accent
88 {"Iacute", "205"}, // Í - uppercase I, acute accent
89 {"Icirc", "206"}, // Î - uppercase I, circumflex accent
90 {"Iuml", "207"}, // Ï - uppercase I, umlaut
91 {"ETH", "208"}, // Ð - uppercase Eth, Icelandic
92 {"Ntilde", "209"}, // Ñ - uppercase N, tilde
93 {"Ograve", "210"}, // Ò - uppercase O, grave accent
94 {"Oacute", "211"}, // Ó - uppercase O, acute accent
95 {"Ocirc", "212"}, // Ô - uppercase O, circumflex accent
96 {"Otilde", "213"}, // Õ - uppercase O, tilde
97 {"Ouml", "214"}, // Ö - uppercase O, umlaut
98 {"times", "215"}, // multiplication sign
99 {"Oslash", "216"}, // Ø - uppercase O, slash
100 {"Ugrave", "217"}, // Ù - uppercase U, grave accent
101 {"Uacute", "218"}, // Ú - uppercase U, acute accent
102 {"Ucirc", "219"}, // Û - uppercase U, circumflex accent
103 {"Uuml", "220"}, // Ü - uppercase U, umlaut
104 {"Yacute", "221"}, // Ý - uppercase Y, acute accent
105 {"THORN", "222"}, // Þ - uppercase THORN, Icelandic
106 {"szlig", "223"}, // ß - lowercase sharps, German
107 {"agrave", "224"}, // à - lowercase a, grave accent
108 {"aacute", "225"}, // á - lowercase a, acute accent
109 {"acirc", "226"}, // â - lowercase a, circumflex accent
110 {"atilde", "227"}, // ã - lowercase a, tilde
111 {"auml", "228"}, // ä - lowercase a, umlaut
112 {"aring", "229"}, // å - lowercase a, ring
113 {"aelig", "230"}, // æ - lowercase ae
114 {"ccedil", "231"}, // ç - lowercase c, cedilla
115 {"egrave", "232"}, // è - lowercase e, grave accent
116 {"eacute", "233"}, // é - lowercase e, acute accent
117 {"ecirc", "234"}, // ê - lowercase e, circumflex accent
118 {"euml", "235"}, // ë - lowercase e, umlaut
119 {"igrave", "236"}, // ì - lowercase i, grave accent
120 {"iacute", "237"}, // í - lowercase i, acute accent
121 {"icirc", "238"}, // î - lowercase i, circumflex accent
122 {"iuml", "239"}, // ï - lowercase i, umlaut
123 {"eth", "240"}, // ð - lowercase eth, Icelandic
124 {"ntilde", "241"}, // ñ - lowercase n, tilde
125 {"ograve", "242"}, // ò - lowercase o, grave accent
126 {"oacute", "243"}, // ó - lowercase o, acute accent
127 {"ocirc", "244"}, // ô - lowercase o, circumflex accent
128 {"otilde", "245"}, // õ - lowercase o, tilde
129 {"ouml", "246"}, // ö - lowercase o, umlaut
130 {"divide", "247"}, // division sign
131 {"oslash", "248"}, // ø - lowercase o, slash
132 {"ugrave", "249"}, // ù - lowercase u, grave accent
133 {"uacute", "250"}, // ú - lowercase u, acute accent
134 {"ucirc", "251"}, // û - lowercase u, circumflex accent
135 {"uuml", "252"}, // ü - lowercase u, umlaut
136 {"yacute", "253"}, // ý - lowercase y, acute accent
137 {"thorn", "254"}, // þ - lowercase thorn, Icelandic
138 {"yuml", "255"}, // ÿ - lowercase y, umlaut
139 /* HTML 40 */
140 // <!-- Latin Extended-B -->
141 {"fnof", "402"}, // latin small f with hook = function= florin, U+0192 ISOtech -->
142 // <!-- Greek -->
143 {"Alpha", "913"}, // greek capital letter alpha, U+0391 -->
144 {"Beta", "914"}, // greek capital letter beta, U+0392 -->
145 {"Gamma", "915"}, // greek capital letter gamma,U+0393 ISOgrk3 -->
146 {"Delta", "916"}, // greek capital letter delta,U+0394 ISOgrk3 -->
147 {"Epsilon", "917"}, // greek capital letter epsilon, U+0395 -->
148 {"Zeta", "918"}, // greek capital letter zeta, U+0396 -->
149 {"Eta", "919"}, // greek capital letter eta, U+0397 -->
150 {"Theta", "920"}, // greek capital letter theta,U+0398 ISOgrk3 -->
151 {"Iota", "921"}, // greek capital letter iota, U+0399 -->
152 {"Kappa", "922"}, // greek capital letter kappa, U+039A -->
153 {"Lambda", "923"}, // greek capital letter lambda,U+039B ISOgrk3 -->
154 {"Mu", "924"}, // greek capital letter mu, U+039C -->
155 {"Nu", "925"}, // greek capital letter nu, U+039D -->
156 {"Xi", "926"}, // greek capital letter xi, U+039E ISOgrk3 -->
157 {"Omicron", "927"}, // greek capital letter omicron, U+039F -->
158 {"Pi", "928"}, // greek capital letter pi, U+03A0 ISOgrk3 -->
159 {"Rho", "929"}, // greek capital letter rho, U+03A1 -->
160 // <!-- there is no Sigmaf, and no U+03A2 character either -->
161 {"Sigma", "931"}, // greek capital letter sigma,U+03A3 ISOgrk3 -->
162 {"Tau", "932"}, // greek capital letter tau, U+03A4 -->
163 {"Upsilon", "933"}, // greek capital letter upsilon,U+03A5 ISOgrk3 -->
164 {"Phi", "934"}, // greek capital letter phi,U+03A6 ISOgrk3 -->
165 {"Chi", "935"}, // greek capital letter chi, U+03A7 -->
166 {"Psi", "936"}, // greek capital letter psi,U+03A8 ISOgrk3 -->
167 {"Omega", "937"}, // greek capital letter omega,U+03A9 ISOgrk3 -->
168 {"alpha", "945"}, // greek small letter alpha,U+03B1 ISOgrk3 -->
169 {"beta", "946"}, // greek small letter beta, U+03B2 ISOgrk3 -->
170 {"gamma", "947"}, // greek small letter gamma,U+03B3 ISOgrk3 -->
171 {"delta", "948"}, // greek small letter delta,U+03B4 ISOgrk3 -->
172 {"epsilon", "949"}, // greek small letter epsilon,U+03B5 ISOgrk3 -->
173 {"zeta", "950"}, // greek small letter zeta, U+03B6 ISOgrk3 -->
174 {"eta", "951"}, // greek small letter eta, U+03B7 ISOgrk3 -->
175 {"theta", "952"}, // greek small letter theta,U+03B8 ISOgrk3 -->
176 {"iota", "953"}, // greek small letter iota, U+03B9 ISOgrk3 -->
177 {"kappa", "954"}, // greek small letter kappa,U+03BA ISOgrk3 -->
178 {"lambda", "955"}, // greek small letter lambda,U+03BB ISOgrk3 -->
179 {"mu", "956"}, // greek small letter mu, U+03BC ISOgrk3 -->
180 {"nu", "957"}, // greek small letter nu, U+03BD ISOgrk3 -->
181 {"xi", "958"}, // greek small letter xi, U+03BE ISOgrk3 -->
182 {"omicron", "959"}, // greek small letter omicron, U+03BF NEW -->
183 {"pi", "960"}, // greek small letter pi, U+03C0 ISOgrk3 -->
184 {"rho", "961"}, // greek small letter rho, U+03C1 ISOgrk3 -->
185 {"sigmaf", "962"}, // greek small letter final sigma,U+03C2 ISOgrk3 -->
186 {"sigma", "963"}, // greek small letter sigma,U+03C3 ISOgrk3 -->
187 {"tau", "964"}, // greek small letter tau, U+03C4 ISOgrk3 -->
188 {"upsilon", "965"}, // greek small letter upsilon,U+03C5 ISOgrk3 -->
189 {"phi", "966"}, // greek small letter phi, U+03C6 ISOgrk3 -->
190 {"chi", "967"}, // greek small letter chi, U+03C7 ISOgrk3 -->
191 {"psi", "968"}, // greek small letter psi, U+03C8 ISOgrk3 -->
192 {"omega", "969"}, // greek small letter omega,U+03C9 ISOgrk3 -->
193 {"thetasym", "977"}, // greek small letter theta symbol,U+03D1 NEW -->
194 {"upsih", "978"}, // greek upsilon with hook symbol,U+03D2 NEW -->
195 {"piv", "982"}, // greek pi symbol, U+03D6 ISOgrk3 -->
196 // <!-- General Punctuation -->
197 {"bull", "8226"}, // bullet = black small circle,U+2022 ISOpub -->
198 // <!-- bullet is NOT the same as bullet operator, U+2219 -->
199 {"hellip", "8230"}, // horizontal ellipsis = three dot leader,U+2026 ISOpub -->
200 {"prime", "8242"}, // prime = minutes = feet, U+2032 ISOtech -->
201 {"Prime", "8243"}, // double prime = seconds = inches,U+2033 ISOtech -->
202 {"oline", "8254"}, // overline = spacing overscore,U+203E NEW -->
203 {"frasl", "8260"}, // fraction slash, U+2044 NEW -->
204 // <!-- Letterlike Symbols -->
205 {"weierp", "8472"}, // script capital P = power set= Weierstrass p, U+2118 ISOamso -->
206 {"image", "8465"}, // blackletter capital I = imaginary part,U+2111 ISOamso -->
207 {"real", "8476"}, // blackletter capital R = real part symbol,U+211C ISOamso -->
208 {"trade", "8482"}, // trade mark sign, U+2122 ISOnum -->
209 {"alefsym", "8501"}, // alef symbol = first transfinite cardinal,U+2135 NEW -->
210 // <!-- alef symbol is NOT the same as hebrew letter alef,U+05D0 although the
211 // same glyph could be used to depict both characters -->
212 // <!-- Arrows -->
213 {"larr", "8592"}, // leftwards arrow, U+2190 ISOnum -->
214 {"uarr", "8593"}, // upwards arrow, U+2191 ISOnum-->
215 {"rarr", "8594"}, // rightwards arrow, U+2192 ISOnum -->
216 {"darr", "8595"}, // downwards arrow, U+2193 ISOnum -->
217 {"harr", "8596"}, // left right arrow, U+2194 ISOamsa -->
218 {"crarr", "8629"}, // downwards arrow with corner leftwards= carriage return, U+21B5 NEW -->
219 {"lArr", "8656"}, // leftwards double arrow, U+21D0 ISOtech -->
220 // <!-- ISO 10646 does not say that lArr is the same as the 'is implied by'
221 // arrow but also does not have any other character for that function.
222 // So ? lArr canbe used for 'is implied by' as ISOtech suggests -->
223 {"uArr", "8657"}, // upwards double arrow, U+21D1 ISOamsa -->
224 {"rArr", "8658"}, // rightwards double arrow,U+21D2 ISOtech -->
225 // <!-- ISO 10646 does not say this is the 'implies' character but does not
226 // have another character with this function so ?rArr can be used for
227 // 'implies' as ISOtech suggests -->
228 {"dArr", "8659"}, // downwards double arrow, U+21D3 ISOamsa -->
229 {"hArr", "8660"}, // left right double arrow,U+21D4 ISOamsa -->
230 // <!-- Mathematical Operators -->
231 {"forall", "8704"}, // for all, U+2200 ISOtech -->
232 {"part", "8706"}, // partial differential, U+2202 ISOtech -->
233 {"exist", "8707"}, // there exists, U+2203 ISOtech -->
234 {"empty", "8709"}, // empty set = null set = diameter,U+2205 ISOamso -->
235 {"nabla", "8711"}, // nabla = backward difference,U+2207 ISOtech -->
236 {"isin", "8712"}, // element of, U+2208 ISOtech -->
237 {"notin", "8713"}, // not an element of, U+2209 ISOtech -->
238 {"ni", "8715"}, // contains as member, U+220B ISOtech -->
239 // <!-- should there be a more memorable name than 'ni'? -->
240 {"prod", "8719"}, // n-ary product = product sign,U+220F ISOamsb -->
241 // <!-- prod is NOT the same character as U+03A0 'greek capital letter pi'
242 // though the same glyph might be used for both -->
243 {"sum", "8721"}, // n-ary summation, U+2211 ISOamsb -->
244 // <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'
245 // though the same glyph might be used for both -->
246 {"minus", "8722"}, // minus sign, U+2212 ISOtech -->
247 {"lowast", "8727"}, // asterisk operator, U+2217 ISOtech -->
248 {"radic", "8730"}, // square root = radical sign,U+221A ISOtech -->
249 {"prop", "8733"}, // proportional to, U+221D ISOtech -->
250 {"infin", "8734"}, // infinity, U+221E ISOtech -->
251 {"ang", "8736"}, // angle, U+2220 ISOamso -->
252 {"and", "8743"}, // logical and = wedge, U+2227 ISOtech -->
253 {"or", "8744"}, // logical or = vee, U+2228 ISOtech -->
254 {"cap", "8745"}, // intersection = cap, U+2229 ISOtech -->
255 {"cup", "8746"}, // union = cup, U+222A ISOtech -->
256 {"int", "8747"}, // integral, U+222B ISOtech -->
257 {"there4", "8756"}, // therefore, U+2234 ISOtech -->
258 {"sim", "8764"}, // tilde operator = varies with = similar to,U+223C ISOtech -->
259 // <!-- tilde operator is NOT the same character as the tilde, U+007E,although
260 // the same glyph might be used to represent both -->
261 {"cong", "8773"}, // approximately equal to, U+2245 ISOtech -->
262 {"asymp", "8776"}, // almost equal to = asymptotic to,U+2248 ISOamsr -->
263 {"ne", "8800"}, // not equal to, U+2260 ISOtech -->
264 {"equiv", "8801"}, // identical to, U+2261 ISOtech -->
265 {"le", "8804"}, // less-than or equal to, U+2264 ISOtech -->
266 {"ge", "8805"}, // greater-than or equal to,U+2265 ISOtech -->
267 {"sub", "8834"}, // subset of, U+2282 ISOtech -->
268 {"sup", "8835"}, // superset of, U+2283 ISOtech -->
269 // <!-- note that nsup, 'not a superset of, U+2283' is not covered by the
270 // Symbol font encoding and is not included. Should it be, for symmetry?
271 // It is in ISOamsn --> <!ENTITY nsub", "8836"},
272 // not a subset of, U+2284 ISOamsn -->
273 {"sube", "8838"}, // subset of or equal to, U+2286 ISOtech -->
274 {"supe", "8839"}, // superset of or equal to,U+2287 ISOtech -->
275 {"oplus", "8853"}, // circled plus = direct sum,U+2295 ISOamsb -->
276 {"otimes", "8855"}, // circled times = vector product,U+2297 ISOamsb -->
277 {"perp", "8869"}, // up tack = orthogonal to = perpendicular,U+22A5 ISOtech -->
278 {"sdot", "8901"}, // dot operator, U+22C5 ISOamsb -->
279 // <!-- dot operator is NOT the same character as U+00B7 middle dot -->
280 // <!-- Miscellaneous Technical -->
281 {"lceil", "8968"}, // left ceiling = apl upstile,U+2308 ISOamsc -->
282 {"rceil", "8969"}, // right ceiling, U+2309 ISOamsc -->
283 {"lfloor", "8970"}, // left floor = apl downstile,U+230A ISOamsc -->
284 {"rfloor", "8971"}, // right floor, U+230B ISOamsc -->
285 {"lang", "9001"}, // left-pointing angle bracket = bra,U+2329 ISOtech -->
286 // <!-- lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation
287 // mark' -->
288 {"rang", "9002"}, // right-pointing angle bracket = ket,U+232A ISOtech -->
289 // <!-- rang is NOT the same character as U+003E 'greater than' or U+203A
290 // 'single right-pointing angle quotation mark' -->
291 // <!-- Geometric Shapes -->
292 {"loz", "9674"}, // lozenge, U+25CA ISOpub -->
293 // <!-- Miscellaneous Symbols -->
294 {"spades", "9824"}, // black spade suit, U+2660 ISOpub -->
295 // <!-- black here seems to mean filled as opposed to hollow -->
296 {"clubs", "9827"}, // black club suit = shamrock,U+2663 ISOpub -->
297 {"hearts", "9829"}, // black heart suit = valentine,U+2665 ISOpub -->
298 {"diams", "9830"}, // black diamond suit, U+2666 ISOpub -->
299
300 // <!-- Latin Extended-A -->
301 {"OElig", "338"}, // -- latin capital ligature OE,U+0152 ISOlat2 -->
302 {"oelig", "339"}, // -- latin small ligature oe, U+0153 ISOlat2 -->
303 // <!-- ligature is a misnomer, this is a separate character in some languages -->
304 {"Scaron", "352"}, // -- latin capital letter S with caron,U+0160 ISOlat2 -->
305 {"scaron", "353"}, // -- latin small letter s with caron,U+0161 ISOlat2 -->
306 {"Yuml", "376"}, // -- latin capital letter Y with diaeresis,U+0178 ISOlat2 -->
307 // <!-- Spacing Modifier Letters -->
308 {"circ", "710"}, // -- modifier letter circumflex accent,U+02C6 ISOpub -->
309 {"tilde", "732"}, // small tilde, U+02DC ISOdia -->
310 // <!-- General Punctuation -->
311 {"ensp", "8194"}, // en space, U+2002 ISOpub -->
312 {"emsp", "8195"}, // em space, U+2003 ISOpub -->
313 {"thinsp", "8201"}, // thin space, U+2009 ISOpub -->
314 {"zwnj", "8204"}, // zero width non-joiner,U+200C NEW RFC 2070 -->
315 {"zwj", "8205"}, // zero width joiner, U+200D NEW RFC 2070 -->
316 {"lrm", "8206"}, // left-to-right mark, U+200E NEW RFC 2070 -->
317 {"rlm", "8207"}, // right-to-left mark, U+200F NEW RFC 2070 -->
318 {"ndash", "8211"}, // en dash, U+2013 ISOpub -->
319 {"mdash", "8212"}, // em dash, U+2014 ISOpub -->
320 {"lsquo", "8216"}, // left single quotation mark,U+2018 ISOnum -->
321 {"rsquo", "8217"}, // right single quotation mark,U+2019 ISOnum -->
322 {"sbquo", "8218"}, // single low-9 quotation mark, U+201A NEW -->
323 {"ldquo", "8220"}, // left double quotation mark,U+201C ISOnum -->
324 {"rdquo", "8221"}, // right double quotation mark,U+201D ISOnum -->
325 {"bdquo", "8222"}, // double low-9 quotation mark, U+201E NEW -->
326 {"dagger", "8224"}, // dagger, U+2020 ISOpub -->
327 {"Dagger", "8225"}, // double dagger, U+2021 ISOpub -->
328 {"permil", "8240"}, // per mille sign, U+2030 ISOtech -->
329 {"lsaquo", "8249"}, // single left-pointing angle quotation mark,U+2039 ISO proposed -->
330 // <!-- lsaquo is proposed but not yet ISO standardized -->
331 {"rsaquo", "8250"}, // single right-pointing angle quotation mark,U+203A ISO proposed -->
332 // <!-- rsaquo is proposed but not yet ISO standardized -->
333 {"euro", "8364"}, // -- euro sign, U+20AC NEW -->
334 };
335
336 private static volatile Map<String, String> mapNameToValue = null;
337
338 public String unescape(String str) {
339 int firstAmp = str.indexOf('&');
340 if (firstAmp < 0)
341 return str;
342 String res = str.substring(0, firstAmp);
343 int len = str.length();
344 for (int i = firstAmp; i < len; i++) {
345 char c = str.charAt(i);
346 if (c == '&') {
347 int nextIdx = i + 1;
348 int semiColonIdx = str.indexOf(';', nextIdx);
349 if (semiColonIdx == -1) {
350 res += c;
351 continue;
352 }
353 int amphersandIdx = str.indexOf('&', i + 1);
354 if (amphersandIdx != -1 && amphersandIdx < semiColonIdx) {
355 // Then the text looks like &...&...;
356 res += c;
357 continue;
358 }
359 String entityContent = str.substring(nextIdx, semiColonIdx);
360 int entityValue = -1;
361 int entityContentLen = entityContent.length();
362 if (entityContentLen > 0) {
363 if (entityContent.charAt(0) == '#') { // escaped value content is an integer (decimal or
364 // hexidecimal)
365 if (entityContentLen > 1) {
366 char isHexChar = entityContent.charAt(1);
367 try {
368 switch (isHexChar) {
369 case 'X' :
370 case 'x' :
371 entityValue = Integer.parseInt(entityContent.substring(2), 16);
372 break;
373 default :
374 entityValue = Integer.parseInt(entityContent.substring(1), 10);
375 }
376 if (entityValue > 0xFFFF) {
377 entityValue = -1;
378 }
379 } catch (NumberFormatException e) {
380 entityValue = -1;
381 }
382 }
383 } else { // escaped value content is an entity name
384 if(mapNameToValue == null) {
385 mapNameToValue = new HashMap<>();
386 for (String[] pair : ARRAY)
387 mapNameToValue.put(pair[0], pair[1]);
388 }
389 String value = mapNameToValue.get(entityContent);
390 entityValue = (value == null ? -1 : Integer.parseInt(value));
391 }
392 }
393
394 if (entityValue == -1) {
395 res += '&' + entityContent + ';';
396 } else {
397 res += (char) entityValue;
398 }
399 i = semiColonIdx; // move index up to the semi-colon
400 } else {
401 res += c;
402 }
403 }
404 return res;
405 }
406}
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