1: <?php
  2: /**
  3:  * SimplePie
  4:  *
  5:  * A PHP-Based RSS and Atom Feed Framework.
  6:  * Takes the hard work out of managing a complete RSS/Atom solution.
  7:  *
  8:  * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
  9:  * All rights reserved.
 10:  *
 11:  * Redistribution and use in source and binary forms, with or without modification, are
 12:  * permitted provided that the following conditions are met:
 13:  *
 14:  *  * Redistributions of source code must retain the above copyright notice, this list of
 15:  *    conditions and the following disclaimer.
 16:  *
 17:  *  * Redistributions in binary form must reproduce the above copyright notice, this list
 18:  *    of conditions and the following disclaimer in the documentation and/or other materials
 19:  *    provided with the distribution.
 20:  *
 21:  *  * Neither the name of the SimplePie Team nor the names of its contributors may be used
 22:  *    to endorse or promote products derived from this software without specific prior
 23:  *    written permission.
 24:  *
 25:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 26:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 27:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 28:  * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 30:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 31:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 32:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 33:  * POSSIBILITY OF SUCH DAMAGE.
 34:  *
 35:  * @package SimplePie
 36:  * @version 1.3
 37:  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
 38:  * @author Ryan Parman
 39:  * @author Geoffrey Sneddon
 40:  * @author Ryan McCue
 41:  * @link http://simplepie.org/ SimplePie
 42:  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 43:  */
 44: 
 45: 
 46: /**
 47:  * Decode HTML Entities
 48:  *
 49:  * This implements HTML5 as of revision 967 (2007-06-28)
 50:  *
 51:  * @deprecated Use DOMDocument instead!
 52:  * @package SimplePie
 53:  */
 54: class SimplePie_Decode_HTML_Entities
 55: {
 56:     /**
 57:      * Data to be parsed
 58:      *
 59:      * @access private
 60:      * @var string
 61:      */
 62:     var $data = '';
 63: 
 64:     /**
 65:      * Currently consumed bytes
 66:      *
 67:      * @access private
 68:      * @var string
 69:      */
 70:     var $consumed = '';
 71: 
 72:     /**
 73:      * Position of the current byte being parsed
 74:      *
 75:      * @access private
 76:      * @var int
 77:      */
 78:     var $position = 0;
 79: 
 80:     /**
 81:      * Create an instance of the class with the input data
 82:      *
 83:      * @access public
 84:      * @param string $data Input data
 85:      */
 86:     public function __construct($data)
 87:     {
 88:         $this->data = $data;
 89:     }
 90: 
 91:     /**
 92:      * Parse the input data
 93:      *
 94:      * @access public
 95:      * @return string Output data
 96:      */
 97:     public function parse()
 98:     {
 99:         while (($this->position = strpos($this->data, '&', $this->position)) !== false)
100:         {
101:             $this->consume();
102:             $this->entity();
103:             $this->consumed = '';
104:         }
105:         return $this->data;
106:     }
107: 
108:     /**
109:      * Consume the next byte
110:      *
111:      * @access private
112:      * @return mixed The next byte, or false, if there is no more data
113:      */
114:     public function consume()
115:     {
116:         if (isset($this->data[$this->position]))
117:         {
118:             $this->consumed .= $this->data[$this->position];
119:             return $this->data[$this->position++];
120:         }
121:         else
122:         {
123:             return false;
124:         }
125:     }
126: 
127:     /**
128:      * Consume a range of characters
129:      *
130:      * @access private
131:      * @param string $chars Characters to consume
132:      * @return mixed A series of characters that match the range, or false
133:      */
134:     public function consume_range($chars)
135:     {
136:         if ($len = strspn($this->data, $chars, $this->position))
137:         {
138:             $data = substr($this->data, $this->position, $len);
139:             $this->consumed .= $data;
140:             $this->position += $len;
141:             return $data;
142:         }
143:         else
144:         {
145:             return false;
146:         }
147:     }
148: 
149:     /**
150:      * Unconsume one byte
151:      *
152:      * @access private
153:      */
154:     public function unconsume()
155:     {
156:         $this->consumed = substr($this->consumed, 0, -1);
157:         $this->position--;
158:     }
159: 
160:     /**
161:      * Decode an entity
162:      *
163:      * @access private
164:      */
165:     public function entity()
166:     {
167:         switch ($this->consume())
168:         {
169:             case "\x09":
170:             case "\x0A":
171:             case "\x0B":
172:             case "\x0B":
173:             case "\x0C":
174:             case "\x20":
175:             case "\x3C":
176:             case "\x26":
177:             case false:
178:                 break;
179: 
180:             case "\x23":
181:                 switch ($this->consume())
182:                 {
183:                     case "\x78":
184:                     case "\x58":
185:                         $range = '0123456789ABCDEFabcdef';
186:                         $hex = true;
187:                         break;
188: 
189:                     default:
190:                         $range = '0123456789';
191:                         $hex = false;
192:                         $this->unconsume();
193:                         break;
194:                 }
195: 
196:                 if ($codepoint = $this->consume_range($range))
197:                 {
198:                     static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");
199: 
200:                     if ($hex)
201:                     {
202:                         $codepoint = hexdec($codepoint);
203:                     }
204:                     else
205:                     {
206:                         $codepoint = intval($codepoint);
207:                     }
208: 
209:                     if (isset($windows_1252_specials[$codepoint]))
210:                     {
211:                         $replacement = $windows_1252_specials[$codepoint];
212:                     }
213:                     else
214:                     {
215:                         $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
216:                     }
217: 
218:                     if (!in_array($this->consume(), array(';', false), true))
219:                     {
220:                         $this->unconsume();
221:                     }
222: 
223:                     $consumed_length = strlen($this->consumed);
224:                     $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
225:                     $this->position += strlen($replacement) - $consumed_length;
226:                 }
227:                 break;
228: 
229:             default:
230:                 static $entities = array(
231:                     'Aacute' => "\xC3\x81",
232:                     'aacute' => "\xC3\xA1",
233:                     'Aacute;' => "\xC3\x81",
234:                     'aacute;' => "\xC3\xA1",
235:                     'Acirc' => "\xC3\x82",
236:                     'acirc' => "\xC3\xA2",
237:                     'Acirc;' => "\xC3\x82",
238:                     'acirc;' => "\xC3\xA2",
239:                     'acute' => "\xC2\xB4",
240:                     'acute;' => "\xC2\xB4",
241:                     'AElig' => "\xC3\x86",
242:                     'aelig' => "\xC3\xA6",
243:                     'AElig;' => "\xC3\x86",
244:                     'aelig;' => "\xC3\xA6",
245:                     'Agrave' => "\xC3\x80",
246:                     'agrave' => "\xC3\xA0",
247:                     'Agrave;' => "\xC3\x80",
248:                     'agrave;' => "\xC3\xA0",
249:                     'alefsym;' => "\xE2\x84\xB5",
250:                     'Alpha;' => "\xCE\x91",
251:                     'alpha;' => "\xCE\xB1",
252:                     'AMP' => "\x26",
253:                     'amp' => "\x26",
254:                     'AMP;' => "\x26",
255:                     'amp;' => "\x26",
256:                     'and;' => "\xE2\x88\xA7",
257:                     'ang;' => "\xE2\x88\xA0",
258:                     'apos;' => "\x27",
259:                     'Aring' => "\xC3\x85",
260:                     'aring' => "\xC3\xA5",
261:                     'Aring;' => "\xC3\x85",
262:                     'aring;' => "\xC3\xA5",
263:                     'asymp;' => "\xE2\x89\x88",
264:                     'Atilde' => "\xC3\x83",
265:                     'atilde' => "\xC3\xA3",
266:                     'Atilde;' => "\xC3\x83",
267:                     'atilde;' => "\xC3\xA3",
268:                     'Auml' => "\xC3\x84",
269:                     'auml' => "\xC3\xA4",
270:                     'Auml;' => "\xC3\x84",
271:                     'auml;' => "\xC3\xA4",
272:                     'bdquo;' => "\xE2\x80\x9E",
273:                     'Beta;' => "\xCE\x92",
274:                     'beta;' => "\xCE\xB2",
275:                     'brvbar' => "\xC2\xA6",
276:                     'brvbar;' => "\xC2\xA6",
277:                     'bull;' => "\xE2\x80\xA2",
278:                     'cap;' => "\xE2\x88\xA9",
279:                     'Ccedil' => "\xC3\x87",
280:                     'ccedil' => "\xC3\xA7",
281:                     'Ccedil;' => "\xC3\x87",
282:                     'ccedil;' => "\xC3\xA7",
283:                     'cedil' => "\xC2\xB8",
284:                     'cedil;' => "\xC2\xB8",
285:                     'cent' => "\xC2\xA2",
286:                     'cent;' => "\xC2\xA2",
287:                     'Chi;' => "\xCE\xA7",
288:                     'chi;' => "\xCF\x87",
289:                     'circ;' => "\xCB\x86",
290:                     'clubs;' => "\xE2\x99\xA3",
291:                     'cong;' => "\xE2\x89\x85",
292:                     'COPY' => "\xC2\xA9",
293:                     'copy' => "\xC2\xA9",
294:                     'COPY;' => "\xC2\xA9",
295:                     'copy;' => "\xC2\xA9",
296:                     'crarr;' => "\xE2\x86\xB5",
297:                     'cup;' => "\xE2\x88\xAA",
298:                     'curren' => "\xC2\xA4",
299:                     'curren;' => "\xC2\xA4",
300:                     'Dagger;' => "\xE2\x80\xA1",
301:                     'dagger;' => "\xE2\x80\xA0",
302:                     'dArr;' => "\xE2\x87\x93",
303:                     'darr;' => "\xE2\x86\x93",
304:                     'deg' => "\xC2\xB0",
305:                     'deg;' => "\xC2\xB0",
306:                     'Delta;' => "\xCE\x94",
307:                     'delta;' => "\xCE\xB4",
308:                     'diams;' => "\xE2\x99\xA6",
309:                     'divide' => "\xC3\xB7",
310:                     'divide;' => "\xC3\xB7",
311:                     'Eacute' => "\xC3\x89",
312:                     'eacute' => "\xC3\xA9",
313:                     'Eacute;' => "\xC3\x89",
314:                     'eacute;' => "\xC3\xA9",
315:                     'Ecirc' => "\xC3\x8A",
316:                     'ecirc' => "\xC3\xAA",
317:                     'Ecirc;' => "\xC3\x8A",
318:                     'ecirc;' => "\xC3\xAA",
319:                     'Egrave' => "\xC3\x88",
320:                     'egrave' => "\xC3\xA8",
321:                     'Egrave;' => "\xC3\x88",
322:                     'egrave;' => "\xC3\xA8",
323:                     'empty;' => "\xE2\x88\x85",
324:                     'emsp;' => "\xE2\x80\x83",
325:                     'ensp;' => "\xE2\x80\x82",
326:                     'Epsilon;' => "\xCE\x95",
327:                     'epsilon;' => "\xCE\xB5",
328:                     'equiv;' => "\xE2\x89\xA1",
329:                     'Eta;' => "\xCE\x97",
330:                     'eta;' => "\xCE\xB7",
331:                     'ETH' => "\xC3\x90",
332:                     'eth' => "\xC3\xB0",
333:                     'ETH;' => "\xC3\x90",
334:                     'eth;' => "\xC3\xB0",
335:                     'Euml' => "\xC3\x8B",
336:                     'euml' => "\xC3\xAB",
337:                     'Euml;' => "\xC3\x8B",
338:                     'euml;' => "\xC3\xAB",
339:                     'euro;' => "\xE2\x82\xAC",
340:                     'exist;' => "\xE2\x88\x83",
341:                     'fnof;' => "\xC6\x92",
342:                     'forall;' => "\xE2\x88\x80",
343:                     'frac12' => "\xC2\xBD",
344:                     'frac12;' => "\xC2\xBD",
345:                     'frac14' => "\xC2\xBC",
346:                     'frac14;' => "\xC2\xBC",
347:                     'frac34' => "\xC2\xBE",
348:                     'frac34;' => "\xC2\xBE",
349:                     'frasl;' => "\xE2\x81\x84",
350:                     'Gamma;' => "\xCE\x93",
351:                     'gamma;' => "\xCE\xB3",
352:                     'ge;' => "\xE2\x89\xA5",
353:                     'GT' => "\x3E",
354:                     'gt' => "\x3E",
355:                     'GT;' => "\x3E",
356:                     'gt;' => "\x3E",
357:                     'hArr;' => "\xE2\x87\x94",
358:                     'harr;' => "\xE2\x86\x94",
359:                     'hearts;' => "\xE2\x99\xA5",
360:                     'hellip;' => "\xE2\x80\xA6",
361:                     'Iacute' => "\xC3\x8D",
362:                     'iacute' => "\xC3\xAD",
363:                     'Iacute;' => "\xC3\x8D",
364:                     'iacute;' => "\xC3\xAD",
365:                     'Icirc' => "\xC3\x8E",
366:                     'icirc' => "\xC3\xAE",
367:                     'Icirc;' => "\xC3\x8E",
368:                     'icirc;' => "\xC3\xAE",
369:                     'iexcl' => "\xC2\xA1",
370:                     'iexcl;' => "\xC2\xA1",
371:                     'Igrave' => "\xC3\x8C",
372:                     'igrave' => "\xC3\xAC",
373:                     'Igrave;' => "\xC3\x8C",
374:                     'igrave;' => "\xC3\xAC",
375:                     'image;' => "\xE2\x84\x91",
376:                     'infin;' => "\xE2\x88\x9E",
377:                     'int;' => "\xE2\x88\xAB",
378:                     'Iota;' => "\xCE\x99",
379:                     'iota;' => "\xCE\xB9",
380:                     'iquest' => "\xC2\xBF",
381:                     'iquest;' => "\xC2\xBF",
382:                     'isin;' => "\xE2\x88\x88",
383:                     'Iuml' => "\xC3\x8F",
384:                     'iuml' => "\xC3\xAF",
385:                     'Iuml;' => "\xC3\x8F",
386:                     'iuml;' => "\xC3\xAF",
387:                     'Kappa;' => "\xCE\x9A",
388:                     'kappa;' => "\xCE\xBA",
389:                     'Lambda;' => "\xCE\x9B",
390:                     'lambda;' => "\xCE\xBB",
391:                     'lang;' => "\xE3\x80\x88",
392:                     'laquo' => "\xC2\xAB",
393:                     'laquo;' => "\xC2\xAB",
394:                     'lArr;' => "\xE2\x87\x90",
395:                     'larr;' => "\xE2\x86\x90",
396:                     'lceil;' => "\xE2\x8C\x88",
397:                     'ldquo;' => "\xE2\x80\x9C",
398:                     'le;' => "\xE2\x89\xA4",
399:                     'lfloor;' => "\xE2\x8C\x8A",
400:                     'lowast;' => "\xE2\x88\x97",
401:                     'loz;' => "\xE2\x97\x8A",
402:                     'lrm;' => "\xE2\x80\x8E",
403:                     'lsaquo;' => "\xE2\x80\xB9",
404:                     'lsquo;' => "\xE2\x80\x98",
405:                     'LT' => "\x3C",
406:                     'lt' => "\x3C",
407:                     'LT;' => "\x3C",
408:                     'lt;' => "\x3C",
409:                     'macr' => "\xC2\xAF",
410:                     'macr;' => "\xC2\xAF",
411:                     'mdash;' => "\xE2\x80\x94",
412:                     'micro' => "\xC2\xB5",
413:                     'micro;' => "\xC2\xB5",
414:                     'middot' => "\xC2\xB7",
415:                     'middot;' => "\xC2\xB7",
416:                     'minus;' => "\xE2\x88\x92",
417:                     'Mu;' => "\xCE\x9C",
418:                     'mu;' => "\xCE\xBC",
419:                     'nabla;' => "\xE2\x88\x87",
420:                     'nbsp' => "\xC2\xA0",
421:                     'nbsp;' => "\xC2\xA0",
422:                     'ndash;' => "\xE2\x80\x93",
423:                     'ne;' => "\xE2\x89\xA0",
424:                     'ni;' => "\xE2\x88\x8B",
425:                     'not' => "\xC2\xAC",
426:                     'not;' => "\xC2\xAC",
427:                     'notin;' => "\xE2\x88\x89",
428:                     'nsub;' => "\xE2\x8A\x84",
429:                     'Ntilde' => "\xC3\x91",
430:                     'ntilde' => "\xC3\xB1",
431:                     'Ntilde;' => "\xC3\x91",
432:                     'ntilde;' => "\xC3\xB1",
433:                     'Nu;' => "\xCE\x9D",
434:                     'nu;' => "\xCE\xBD",
435:                     'Oacute' => "\xC3\x93",
436:                     'oacute' => "\xC3\xB3",
437:                     'Oacute;' => "\xC3\x93",
438:                     'oacute;' => "\xC3\xB3",
439:                     'Ocirc' => "\xC3\x94",
440:                     'ocirc' => "\xC3\xB4",
441:                     'Ocirc;' => "\xC3\x94",
442:                     'ocirc;' => "\xC3\xB4",
443:                     'OElig;' => "\xC5\x92",
444:                     'oelig;' => "\xC5\x93",
445:                     'Ograve' => "\xC3\x92",
446:                     'ograve' => "\xC3\xB2",
447:                     'Ograve;' => "\xC3\x92",
448:                     'ograve;' => "\xC3\xB2",
449:                     'oline;' => "\xE2\x80\xBE",
450:                     'Omega;' => "\xCE\xA9",
451:                     'omega;' => "\xCF\x89",
452:                     'Omicron;' => "\xCE\x9F",
453:                     'omicron;' => "\xCE\xBF",
454:                     'oplus;' => "\xE2\x8A\x95",
455:                     'or;' => "\xE2\x88\xA8",
456:                     'ordf' => "\xC2\xAA",
457:                     'ordf;' => "\xC2\xAA",
458:                     'ordm' => "\xC2\xBA",
459:                     'ordm;' => "\xC2\xBA",
460:                     'Oslash' => "\xC3\x98",
461:                     'oslash' => "\xC3\xB8",
462:                     'Oslash;' => "\xC3\x98",
463:                     'oslash;' => "\xC3\xB8",
464:                     'Otilde' => "\xC3\x95",
465:                     'otilde' => "\xC3\xB5",
466:                     'Otilde;' => "\xC3\x95",
467:                     'otilde;' => "\xC3\xB5",
468:                     'otimes;' => "\xE2\x8A\x97",
469:                     'Ouml' => "\xC3\x96",
470:                     'ouml' => "\xC3\xB6",
471:                     'Ouml;' => "\xC3\x96",
472:                     'ouml;' => "\xC3\xB6",
473:                     'para' => "\xC2\xB6",
474:                     'para;' => "\xC2\xB6",
475:                     'part;' => "\xE2\x88\x82",
476:                     'permil;' => "\xE2\x80\xB0",
477:                     'perp;' => "\xE2\x8A\xA5",
478:                     'Phi;' => "\xCE\xA6",
479:                     'phi;' => "\xCF\x86",
480:                     'Pi;' => "\xCE\xA0",
481:                     'pi;' => "\xCF\x80",
482:                     'piv;' => "\xCF\x96",
483:                     'plusmn' => "\xC2\xB1",
484:                     'plusmn;' => "\xC2\xB1",
485:                     'pound' => "\xC2\xA3",
486:                     'pound;' => "\xC2\xA3",
487:                     'Prime;' => "\xE2\x80\xB3",
488:                     'prime;' => "\xE2\x80\xB2",
489:                     'prod;' => "\xE2\x88\x8F",
490:                     'prop;' => "\xE2\x88\x9D",
491:                     'Psi;' => "\xCE\xA8",
492:                     'psi;' => "\xCF\x88",
493:                     'QUOT' => "\x22",
494:                     'quot' => "\x22",
495:                     'QUOT;' => "\x22",
496:                     'quot;' => "\x22",
497:                     'radic;' => "\xE2\x88\x9A",
498:                     'rang;' => "\xE3\x80\x89",
499:                     'raquo' => "\xC2\xBB",
500:                     'raquo;' => "\xC2\xBB",
501:                     'rArr;' => "\xE2\x87\x92",
502:                     'rarr;' => "\xE2\x86\x92",
503:                     'rceil;' => "\xE2\x8C\x89",
504:                     'rdquo;' => "\xE2\x80\x9D",
505:                     'real;' => "\xE2\x84\x9C",
506:                     'REG' => "\xC2\xAE",
507:                     'reg' => "\xC2\xAE",
508:                     'REG;' => "\xC2\xAE",
509:                     'reg;' => "\xC2\xAE",
510:                     'rfloor;' => "\xE2\x8C\x8B",
511:                     'Rho;' => "\xCE\xA1",
512:                     'rho;' => "\xCF\x81",
513:                     'rlm;' => "\xE2\x80\x8F",
514:                     'rsaquo;' => "\xE2\x80\xBA",
515:                     'rsquo;' => "\xE2\x80\x99",
516:                     'sbquo;' => "\xE2\x80\x9A",
517:                     'Scaron;' => "\xC5\xA0",
518:                     'scaron;' => "\xC5\xA1",
519:                     'sdot;' => "\xE2\x8B\x85",
520:                     'sect' => "\xC2\xA7",
521:                     'sect;' => "\xC2\xA7",
522:                     'shy' => "\xC2\xAD",
523:                     'shy;' => "\xC2\xAD",
524:                     'Sigma;' => "\xCE\xA3",
525:                     'sigma;' => "\xCF\x83",
526:                     'sigmaf;' => "\xCF\x82",
527:                     'sim;' => "\xE2\x88\xBC",
528:                     'spades;' => "\xE2\x99\xA0",
529:                     'sub;' => "\xE2\x8A\x82",
530:                     'sube;' => "\xE2\x8A\x86",
531:                     'sum;' => "\xE2\x88\x91",
532:                     'sup;' => "\xE2\x8A\x83",
533:                     'sup1' => "\xC2\xB9",
534:                     'sup1;' => "\xC2\xB9",
535:                     'sup2' => "\xC2\xB2",
536:                     'sup2;' => "\xC2\xB2",
537:                     'sup3' => "\xC2\xB3",
538:                     'sup3;' => "\xC2\xB3",
539:                     'supe;' => "\xE2\x8A\x87",
540:                     'szlig' => "\xC3\x9F",
541:                     'szlig;' => "\xC3\x9F",
542:                     'Tau;' => "\xCE\xA4",
543:                     'tau;' => "\xCF\x84",
544:                     'there4;' => "\xE2\x88\xB4",
545:                     'Theta;' => "\xCE\x98",
546:                     'theta;' => "\xCE\xB8",
547:                     'thetasym;' => "\xCF\x91",
548:                     'thinsp;' => "\xE2\x80\x89",
549:                     'THORN' => "\xC3\x9E",
550:                     'thorn' => "\xC3\xBE",
551:                     'THORN;' => "\xC3\x9E",
552:                     'thorn;' => "\xC3\xBE",
553:                     'tilde;' => "\xCB\x9C",
554:                     'times' => "\xC3\x97",
555:                     'times;' => "\xC3\x97",
556:                     'TRADE;' => "\xE2\x84\xA2",
557:                     'trade;' => "\xE2\x84\xA2",
558:                     'Uacute' => "\xC3\x9A",
559:                     'uacute' => "\xC3\xBA",
560:                     'Uacute;' => "\xC3\x9A",
561:                     'uacute;' => "\xC3\xBA",
562:                     'uArr;' => "\xE2\x87\x91",
563:                     'uarr;' => "\xE2\x86\x91",
564:                     'Ucirc' => "\xC3\x9B",
565:                     'ucirc' => "\xC3\xBB",
566:                     'Ucirc;' => "\xC3\x9B",
567:                     'ucirc;' => "\xC3\xBB",
568:                     'Ugrave' => "\xC3\x99",
569:                     'ugrave' => "\xC3\xB9",
570:                     'Ugrave;' => "\xC3\x99",
571:                     'ugrave;' => "\xC3\xB9",
572:                     'uml' => "\xC2\xA8",
573:                     'uml;' => "\xC2\xA8",
574:                     'upsih;' => "\xCF\x92",
575:                     'Upsilon;' => "\xCE\xA5",
576:                     'upsilon;' => "\xCF\x85",
577:                     'Uuml' => "\xC3\x9C",
578:                     'uuml' => "\xC3\xBC",
579:                     'Uuml;' => "\xC3\x9C",
580:                     'uuml;' => "\xC3\xBC",
581:                     'weierp;' => "\xE2\x84\x98",
582:                     'Xi;' => "\xCE\x9E",
583:                     'xi;' => "\xCE\xBE",
584:                     'Yacute' => "\xC3\x9D",
585:                     'yacute' => "\xC3\xBD",
586:                     'Yacute;' => "\xC3\x9D",
587:                     'yacute;' => "\xC3\xBD",
588:                     'yen' => "\xC2\xA5",
589:                     'yen;' => "\xC2\xA5",
590:                     'yuml' => "\xC3\xBF",
591:                     'Yuml;' => "\xC5\xB8",
592:                     'yuml;' => "\xC3\xBF",
593:                     'Zeta;' => "\xCE\x96",
594:                     'zeta;' => "\xCE\xB6",
595:                     'zwj;' => "\xE2\x80\x8D",
596:                     'zwnj;' => "\xE2\x80\x8C"
597:                 );
598: 
599:                 for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
600:                 {
601:                     $consumed = substr($this->consumed, 1);
602:                     if (isset($entities[$consumed]))
603:                     {
604:                         $match = $consumed;
605:                     }
606:                 }
607: 
608:                 if ($match !== null)
609:                 {
610:                     $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
611:                     $this->position += strlen($entities[$match]) - strlen($consumed) - 1;
612:                 }
613:                 break;
614:         }
615:     }
616: }
617: 
618: