diff options
Diffstat (limited to 'lib/simplepie/library/SimplePie/Decode/HTML/Entities.php')
| -rw-r--r-- | lib/simplepie/library/SimplePie/Decode/HTML/Entities.php | 610 |
1 files changed, 610 insertions, 0 deletions
diff --git a/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php b/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php new file mode 100644 index 000000000..773481a8c --- /dev/null +++ b/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php @@ -0,0 +1,610 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * 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. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * 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 COPYRIGHT HOLDERS + * AND 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. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Decode HTML Entities + * + * This implements HTML5 as of revision 967 (2007-06-28) + * + * @deprecated Use DOMDocument instead! + * @package SimplePie + */ +class SimplePie_Decode_HTML_Entities +{ + /** + * Data to be parsed + * + * @access private + * @var string + */ + var $data = ''; + + /** + * Currently consumed bytes + * + * @access private + * @var string + */ + var $consumed = ''; + + /** + * Position of the current byte being parsed + * + * @access private + * @var int + */ + var $position = 0; + + /** + * Create an instance of the class with the input data + * + * @access public + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + } + + /** + * Parse the input data + * + * @access public + * @return string Output data + */ + public function parse() + { + while (($this->position = strpos($this->data, '&', $this->position)) !== false) + { + $this->consume(); + $this->entity(); + $this->consumed = ''; + } + return $this->data; + } + + /** + * Consume the next byte + * + * @access private + * @return mixed The next byte, or false, if there is no more data + */ + public function consume() + { + if (isset($this->data[$this->position])) + { + $this->consumed .= $this->data[$this->position]; + return $this->data[$this->position++]; + } + + return false; + } + + /** + * Consume a range of characters + * + * @access private + * @param string $chars Characters to consume + * @return mixed A series of characters that match the range, or false + */ + public function consume_range($chars) + { + if ($len = strspn($this->data, $chars, $this->position)) + { + $data = substr($this->data, $this->position, $len); + $this->consumed .= $data; + $this->position += $len; + return $data; + } + + return false; + } + + /** + * Unconsume one byte + * + * @access private + */ + public function unconsume() + { + $this->consumed = substr($this->consumed, 0, -1); + $this->position--; + } + + /** + * Decode an entity + * + * @access private + */ + public function entity() + { + switch ($this->consume()) + { + case "\x09": + case "\x0A": + case "\x0B": + case "\x0C": + case "\x20": + case "\x3C": + case "\x26": + case false: + break; + + case "\x23": + switch ($this->consume()) + { + case "\x78": + case "\x58": + $range = '0123456789ABCDEFabcdef'; + $hex = true; + break; + + default: + $range = '0123456789'; + $hex = false; + $this->unconsume(); + break; + } + + if ($codepoint = $this->consume_range($range)) + { + static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8"); + + if ($hex) + { + $codepoint = hexdec($codepoint); + } + else + { + $codepoint = intval($codepoint); + } + + if (isset($windows_1252_specials[$codepoint])) + { + $replacement = $windows_1252_specials[$codepoint]; + } + else + { + $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint); + } + + if (!in_array($this->consume(), array(';', false), true)) + { + $this->unconsume(); + } + + $consumed_length = strlen($this->consumed); + $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length); + $this->position += strlen($replacement) - $consumed_length; + } + break; + + default: + static $entities = array( + 'Aacute' => "\xC3\x81", + 'aacute' => "\xC3\xA1", + 'Aacute;' => "\xC3\x81", + 'aacute;' => "\xC3\xA1", + 'Acirc' => "\xC3\x82", + 'acirc' => "\xC3\xA2", + 'Acirc;' => "\xC3\x82", + 'acirc;' => "\xC3\xA2", + 'acute' => "\xC2\xB4", + 'acute;' => "\xC2\xB4", + 'AElig' => "\xC3\x86", + 'aelig' => "\xC3\xA6", + 'AElig;' => "\xC3\x86", + 'aelig;' => "\xC3\xA6", + 'Agrave' => "\xC3\x80", + 'agrave' => "\xC3\xA0", + 'Agrave;' => "\xC3\x80", + 'agrave;' => "\xC3\xA0", + 'alefsym;' => "\xE2\x84\xB5", + 'Alpha;' => "\xCE\x91", + 'alpha;' => "\xCE\xB1", + 'AMP' => "\x26", + 'amp' => "\x26", + 'AMP;' => "\x26", + 'amp;' => "\x26", + 'and;' => "\xE2\x88\xA7", + 'ang;' => "\xE2\x88\xA0", + 'apos;' => "\x27", + 'Aring' => "\xC3\x85", + 'aring' => "\xC3\xA5", + 'Aring;' => "\xC3\x85", + 'aring;' => "\xC3\xA5", + 'asymp;' => "\xE2\x89\x88", + 'Atilde' => "\xC3\x83", + 'atilde' => "\xC3\xA3", + 'Atilde;' => "\xC3\x83", + 'atilde;' => "\xC3\xA3", + 'Auml' => "\xC3\x84", + 'auml' => "\xC3\xA4", + 'Auml;' => "\xC3\x84", + 'auml;' => "\xC3\xA4", + 'bdquo;' => "\xE2\x80\x9E", + 'Beta;' => "\xCE\x92", + 'beta;' => "\xCE\xB2", + 'brvbar' => "\xC2\xA6", + 'brvbar;' => "\xC2\xA6", + 'bull;' => "\xE2\x80\xA2", + 'cap;' => "\xE2\x88\xA9", + 'Ccedil' => "\xC3\x87", + 'ccedil' => "\xC3\xA7", + 'Ccedil;' => "\xC3\x87", + 'ccedil;' => "\xC3\xA7", + 'cedil' => "\xC2\xB8", + 'cedil;' => "\xC2\xB8", + 'cent' => "\xC2\xA2", + 'cent;' => "\xC2\xA2", + 'Chi;' => "\xCE\xA7", + 'chi;' => "\xCF\x87", + 'circ;' => "\xCB\x86", + 'clubs;' => "\xE2\x99\xA3", + 'cong;' => "\xE2\x89\x85", + 'COPY' => "\xC2\xA9", + 'copy' => "\xC2\xA9", + 'COPY;' => "\xC2\xA9", + 'copy;' => "\xC2\xA9", + 'crarr;' => "\xE2\x86\xB5", + 'cup;' => "\xE2\x88\xAA", + 'curren' => "\xC2\xA4", + 'curren;' => "\xC2\xA4", + 'Dagger;' => "\xE2\x80\xA1", + 'dagger;' => "\xE2\x80\xA0", + 'dArr;' => "\xE2\x87\x93", + 'darr;' => "\xE2\x86\x93", + 'deg' => "\xC2\xB0", + 'deg;' => "\xC2\xB0", + 'Delta;' => "\xCE\x94", + 'delta;' => "\xCE\xB4", + 'diams;' => "\xE2\x99\xA6", + 'divide' => "\xC3\xB7", + 'divide;' => "\xC3\xB7", + 'Eacute' => "\xC3\x89", + 'eacute' => "\xC3\xA9", + 'Eacute;' => "\xC3\x89", + 'eacute;' => "\xC3\xA9", + 'Ecirc' => "\xC3\x8A", + 'ecirc' => "\xC3\xAA", + 'Ecirc;' => "\xC3\x8A", + 'ecirc;' => "\xC3\xAA", + 'Egrave' => "\xC3\x88", + 'egrave' => "\xC3\xA8", + 'Egrave;' => "\xC3\x88", + 'egrave;' => "\xC3\xA8", + 'empty;' => "\xE2\x88\x85", + 'emsp;' => "\xE2\x80\x83", + 'ensp;' => "\xE2\x80\x82", + 'Epsilon;' => "\xCE\x95", + 'epsilon;' => "\xCE\xB5", + 'equiv;' => "\xE2\x89\xA1", + 'Eta;' => "\xCE\x97", + 'eta;' => "\xCE\xB7", + 'ETH' => "\xC3\x90", + 'eth' => "\xC3\xB0", + 'ETH;' => "\xC3\x90", + 'eth;' => "\xC3\xB0", + 'Euml' => "\xC3\x8B", + 'euml' => "\xC3\xAB", + 'Euml;' => "\xC3\x8B", + 'euml;' => "\xC3\xAB", + 'euro;' => "\xE2\x82\xAC", + 'exist;' => "\xE2\x88\x83", + 'fnof;' => "\xC6\x92", + 'forall;' => "\xE2\x88\x80", + 'frac12' => "\xC2\xBD", + 'frac12;' => "\xC2\xBD", + 'frac14' => "\xC2\xBC", + 'frac14;' => "\xC2\xBC", + 'frac34' => "\xC2\xBE", + 'frac34;' => "\xC2\xBE", + 'frasl;' => "\xE2\x81\x84", + 'Gamma;' => "\xCE\x93", + 'gamma;' => "\xCE\xB3", + 'ge;' => "\xE2\x89\xA5", + 'GT' => "\x3E", + 'gt' => "\x3E", + 'GT;' => "\x3E", + 'gt;' => "\x3E", + 'hArr;' => "\xE2\x87\x94", + 'harr;' => "\xE2\x86\x94", + 'hearts;' => "\xE2\x99\xA5", + 'hellip;' => "\xE2\x80\xA6", + 'Iacute' => "\xC3\x8D", + 'iacute' => "\xC3\xAD", + 'Iacute;' => "\xC3\x8D", + 'iacute;' => "\xC3\xAD", + 'Icirc' => "\xC3\x8E", + 'icirc' => "\xC3\xAE", + 'Icirc;' => "\xC3\x8E", + 'icirc;' => "\xC3\xAE", + 'iexcl' => "\xC2\xA1", + 'iexcl;' => "\xC2\xA1", + 'Igrave' => "\xC3\x8C", + 'igrave' => "\xC3\xAC", + 'Igrave;' => "\xC3\x8C", + 'igrave;' => "\xC3\xAC", + 'image;' => "\xE2\x84\x91", + 'infin;' => "\xE2\x88\x9E", + 'int;' => "\xE2\x88\xAB", + 'Iota;' => "\xCE\x99", + 'iota;' => "\xCE\xB9", + 'iquest' => "\xC2\xBF", + 'iquest;' => "\xC2\xBF", + 'isin;' => "\xE2\x88\x88", + 'Iuml' => "\xC3\x8F", + 'iuml' => "\xC3\xAF", + 'Iuml;' => "\xC3\x8F", + 'iuml;' => "\xC3\xAF", + 'Kappa;' => "\xCE\x9A", + 'kappa;' => "\xCE\xBA", + 'Lambda;' => "\xCE\x9B", + 'lambda;' => "\xCE\xBB", + 'lang;' => "\xE3\x80\x88", + 'laquo' => "\xC2\xAB", + 'laquo;' => "\xC2\xAB", + 'lArr;' => "\xE2\x87\x90", + 'larr;' => "\xE2\x86\x90", + 'lceil;' => "\xE2\x8C\x88", + 'ldquo;' => "\xE2\x80\x9C", + 'le;' => "\xE2\x89\xA4", + 'lfloor;' => "\xE2\x8C\x8A", + 'lowast;' => "\xE2\x88\x97", + 'loz;' => "\xE2\x97\x8A", + 'lrm;' => "\xE2\x80\x8E", + 'lsaquo;' => "\xE2\x80\xB9", + 'lsquo;' => "\xE2\x80\x98", + 'LT' => "\x3C", + 'lt' => "\x3C", + 'LT;' => "\x3C", + 'lt;' => "\x3C", + 'macr' => "\xC2\xAF", + 'macr;' => "\xC2\xAF", + 'mdash;' => "\xE2\x80\x94", + 'micro' => "\xC2\xB5", + 'micro;' => "\xC2\xB5", + 'middot' => "\xC2\xB7", + 'middot;' => "\xC2\xB7", + 'minus;' => "\xE2\x88\x92", + 'Mu;' => "\xCE\x9C", + 'mu;' => "\xCE\xBC", + 'nabla;' => "\xE2\x88\x87", + 'nbsp' => "\xC2\xA0", + 'nbsp;' => "\xC2\xA0", + 'ndash;' => "\xE2\x80\x93", + 'ne;' => "\xE2\x89\xA0", + 'ni;' => "\xE2\x88\x8B", + 'not' => "\xC2\xAC", + 'not;' => "\xC2\xAC", + 'notin;' => "\xE2\x88\x89", + 'nsub;' => "\xE2\x8A\x84", + 'Ntilde' => "\xC3\x91", + 'ntilde' => "\xC3\xB1", + 'Ntilde;' => "\xC3\x91", + 'ntilde;' => "\xC3\xB1", + 'Nu;' => "\xCE\x9D", + 'nu;' => "\xCE\xBD", + 'Oacute' => "\xC3\x93", + 'oacute' => "\xC3\xB3", + 'Oacute;' => "\xC3\x93", + 'oacute;' => "\xC3\xB3", + 'Ocirc' => "\xC3\x94", + 'ocirc' => "\xC3\xB4", + 'Ocirc;' => "\xC3\x94", + 'ocirc;' => "\xC3\xB4", + 'OElig;' => "\xC5\x92", + 'oelig;' => "\xC5\x93", + 'Ograve' => "\xC3\x92", + 'ograve' => "\xC3\xB2", + 'Ograve;' => "\xC3\x92", + 'ograve;' => "\xC3\xB2", + 'oline;' => "\xE2\x80\xBE", + 'Omega;' => "\xCE\xA9", + 'omega;' => "\xCF\x89", + 'Omicron;' => "\xCE\x9F", + 'omicron;' => "\xCE\xBF", + 'oplus;' => "\xE2\x8A\x95", + 'or;' => "\xE2\x88\xA8", + 'ordf' => "\xC2\xAA", + 'ordf;' => "\xC2\xAA", + 'ordm' => "\xC2\xBA", + 'ordm;' => "\xC2\xBA", + 'Oslash' => "\xC3\x98", + 'oslash' => "\xC3\xB8", + 'Oslash;' => "\xC3\x98", + 'oslash;' => "\xC3\xB8", + 'Otilde' => "\xC3\x95", + 'otilde' => "\xC3\xB5", + 'Otilde;' => "\xC3\x95", + 'otilde;' => "\xC3\xB5", + 'otimes;' => "\xE2\x8A\x97", + 'Ouml' => "\xC3\x96", + 'ouml' => "\xC3\xB6", + 'Ouml;' => "\xC3\x96", + 'ouml;' => "\xC3\xB6", + 'para' => "\xC2\xB6", + 'para;' => "\xC2\xB6", + 'part;' => "\xE2\x88\x82", + 'permil;' => "\xE2\x80\xB0", + 'perp;' => "\xE2\x8A\xA5", + 'Phi;' => "\xCE\xA6", + 'phi;' => "\xCF\x86", + 'Pi;' => "\xCE\xA0", + 'pi;' => "\xCF\x80", + 'piv;' => "\xCF\x96", + 'plusmn' => "\xC2\xB1", + 'plusmn;' => "\xC2\xB1", + 'pound' => "\xC2\xA3", + 'pound;' => "\xC2\xA3", + 'Prime;' => "\xE2\x80\xB3", + 'prime;' => "\xE2\x80\xB2", + 'prod;' => "\xE2\x88\x8F", + 'prop;' => "\xE2\x88\x9D", + 'Psi;' => "\xCE\xA8", + 'psi;' => "\xCF\x88", + 'QUOT' => "\x22", + 'quot' => "\x22", + 'QUOT;' => "\x22", + 'quot;' => "\x22", + 'radic;' => "\xE2\x88\x9A", + 'rang;' => "\xE3\x80\x89", + 'raquo' => "\xC2\xBB", + 'raquo;' => "\xC2\xBB", + 'rArr;' => "\xE2\x87\x92", + 'rarr;' => "\xE2\x86\x92", + 'rceil;' => "\xE2\x8C\x89", + 'rdquo;' => "\xE2\x80\x9D", + 'real;' => "\xE2\x84\x9C", + 'REG' => "\xC2\xAE", + 'reg' => "\xC2\xAE", + 'REG;' => "\xC2\xAE", + 'reg;' => "\xC2\xAE", + 'rfloor;' => "\xE2\x8C\x8B", + 'Rho;' => "\xCE\xA1", + 'rho;' => "\xCF\x81", + 'rlm;' => "\xE2\x80\x8F", + 'rsaquo;' => "\xE2\x80\xBA", + 'rsquo;' => "\xE2\x80\x99", + 'sbquo;' => "\xE2\x80\x9A", + 'Scaron;' => "\xC5\xA0", + 'scaron;' => "\xC5\xA1", + 'sdot;' => "\xE2\x8B\x85", + 'sect' => "\xC2\xA7", + 'sect;' => "\xC2\xA7", + 'shy' => "\xC2\xAD", + 'shy;' => "\xC2\xAD", + 'Sigma;' => "\xCE\xA3", + 'sigma;' => "\xCF\x83", + 'sigmaf;' => "\xCF\x82", + 'sim;' => "\xE2\x88\xBC", + 'spades;' => "\xE2\x99\xA0", + 'sub;' => "\xE2\x8A\x82", + 'sube;' => "\xE2\x8A\x86", + 'sum;' => "\xE2\x88\x91", + 'sup;' => "\xE2\x8A\x83", + 'sup1' => "\xC2\xB9", + 'sup1;' => "\xC2\xB9", + 'sup2' => "\xC2\xB2", + 'sup2;' => "\xC2\xB2", + 'sup3' => "\xC2\xB3", + 'sup3;' => "\xC2\xB3", + 'supe;' => "\xE2\x8A\x87", + 'szlig' => "\xC3\x9F", + 'szlig;' => "\xC3\x9F", + 'Tau;' => "\xCE\xA4", + 'tau;' => "\xCF\x84", + 'there4;' => "\xE2\x88\xB4", + 'Theta;' => "\xCE\x98", + 'theta;' => "\xCE\xB8", + 'thetasym;' => "\xCF\x91", + 'thinsp;' => "\xE2\x80\x89", + 'THORN' => "\xC3\x9E", + 'thorn' => "\xC3\xBE", + 'THORN;' => "\xC3\x9E", + 'thorn;' => "\xC3\xBE", + 'tilde;' => "\xCB\x9C", + 'times' => "\xC3\x97", + 'times;' => "\xC3\x97", + 'TRADE;' => "\xE2\x84\xA2", + 'trade;' => "\xE2\x84\xA2", + 'Uacute' => "\xC3\x9A", + 'uacute' => "\xC3\xBA", + 'Uacute;' => "\xC3\x9A", + 'uacute;' => "\xC3\xBA", + 'uArr;' => "\xE2\x87\x91", + 'uarr;' => "\xE2\x86\x91", + 'Ucirc' => "\xC3\x9B", + 'ucirc' => "\xC3\xBB", + 'Ucirc;' => "\xC3\x9B", + 'ucirc;' => "\xC3\xBB", + 'Ugrave' => "\xC3\x99", + 'ugrave' => "\xC3\xB9", + 'Ugrave;' => "\xC3\x99", + 'ugrave;' => "\xC3\xB9", + 'uml' => "\xC2\xA8", + 'uml;' => "\xC2\xA8", + 'upsih;' => "\xCF\x92", + 'Upsilon;' => "\xCE\xA5", + 'upsilon;' => "\xCF\x85", + 'Uuml' => "\xC3\x9C", + 'uuml' => "\xC3\xBC", + 'Uuml;' => "\xC3\x9C", + 'uuml;' => "\xC3\xBC", + 'weierp;' => "\xE2\x84\x98", + 'Xi;' => "\xCE\x9E", + 'xi;' => "\xCE\xBE", + 'Yacute' => "\xC3\x9D", + 'yacute' => "\xC3\xBD", + 'Yacute;' => "\xC3\x9D", + 'yacute;' => "\xC3\xBD", + 'yen' => "\xC2\xA5", + 'yen;' => "\xC2\xA5", + 'yuml' => "\xC3\xBF", + 'Yuml;' => "\xC5\xB8", + 'yuml;' => "\xC3\xBF", + 'Zeta;' => "\xCE\x96", + 'zeta;' => "\xCE\xB6", + 'zwj;' => "\xE2\x80\x8D", + 'zwnj;' => "\xE2\x80\x8C" + ); + + for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++) + { + $consumed = substr($this->consumed, 1); + if (isset($entities[$consumed])) + { + $match = $consumed; + } + } + + if ($match !== null) + { + $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1); + $this->position += strlen($entities[$match]) - strlen($consumed) - 1; + } + break; + } + } +} |