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3889 lines
162 KiB
3889 lines
162 KiB
<?php |
|
class HTML5 |
|
{ |
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private $data; |
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private $char; |
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private $EOF; |
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private $state; |
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private $tree; |
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private $token; |
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private $content_model; |
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private $escape = false; |
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private $entities = array('AElig;','AElig','AMP;','AMP','Aacute;','Aacute', |
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'Acirc;','Acirc','Agrave;','Agrave','Alpha;','Aring;','Aring','Atilde;', |
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'Atilde','Auml;','Auml','Beta;','COPY;','COPY','Ccedil;','Ccedil','Chi;', |
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'Dagger;','Delta;','ETH;','ETH','Eacute;','Eacute','Ecirc;','Ecirc','Egrave;', |
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'Egrave','Epsilon;','Eta;','Euml;','Euml','GT;','GT','Gamma;','Iacute;', |
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'Iacute','Icirc;','Icirc','Igrave;','Igrave','Iota;','Iuml;','Iuml','Kappa;', |
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'LT;','LT','Lambda;','Mu;','Ntilde;','Ntilde','Nu;','OElig;','Oacute;', |
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'Oacute','Ocirc;','Ocirc','Ograve;','Ograve','Omega;','Omicron;','Oslash;', |
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'Oslash','Otilde;','Otilde','Ouml;','Ouml','Phi;','Pi;','Prime;','Psi;', |
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'QUOT;','QUOT','REG;','REG','Rho;','Scaron;','Sigma;','THORN;','THORN', |
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'TRADE;','Tau;','Theta;','Uacute;','Uacute','Ucirc;','Ucirc','Ugrave;', |
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'Ugrave','Upsilon;','Uuml;','Uuml','Xi;','Yacute;','Yacute','Yuml;','Zeta;', |
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'aacute;','aacute','acirc;','acirc','acute;','acute','aelig;','aelig', |
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'agrave;','agrave','alefsym;','alpha;','amp;','amp','and;','ang;','apos;', |
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'aring;','aring','asymp;','atilde;','atilde','auml;','auml','bdquo;','beta;', |
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'brvbar;','brvbar','bull;','cap;','ccedil;','ccedil','cedil;','cedil', |
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'cent;','cent','chi;','circ;','clubs;','cong;','copy;','copy','crarr;', |
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'cup;','curren;','curren','dArr;','dagger;','darr;','deg;','deg','delta;', |
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'diams;','divide;','divide','eacute;','eacute','ecirc;','ecirc','egrave;', |
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'egrave','empty;','emsp;','ensp;','epsilon;','equiv;','eta;','eth;','eth', |
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'euml;','euml','euro;','exist;','fnof;','forall;','frac12;','frac12', |
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'frac14;','frac14','frac34;','frac34','frasl;','gamma;','ge;','gt;','gt', |
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'hArr;','harr;','hearts;','hellip;','iacute;','iacute','icirc;','icirc', |
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'iexcl;','iexcl','igrave;','igrave','image;','infin;','int;','iota;', |
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'iquest;','iquest','isin;','iuml;','iuml','kappa;','lArr;','lambda;','lang;', |
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'laquo;','laquo','larr;','lceil;','ldquo;','le;','lfloor;','lowast;','loz;', |
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'lrm;','lsaquo;','lsquo;','lt;','lt','macr;','macr','mdash;','micro;','micro', |
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'middot;','middot','minus;','mu;','nabla;','nbsp;','nbsp','ndash;','ne;', |
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'ni;','not;','not','notin;','nsub;','ntilde;','ntilde','nu;','oacute;', |
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'oacute','ocirc;','ocirc','oelig;','ograve;','ograve','oline;','omega;', |
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'omicron;','oplus;','or;','ordf;','ordf','ordm;','ordm','oslash;','oslash', |
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'otilde;','otilde','otimes;','ouml;','ouml','para;','para','part;','permil;', |
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'perp;','phi;','pi;','piv;','plusmn;','plusmn','pound;','pound','prime;', |
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'prod;','prop;','psi;','quot;','quot','rArr;','radic;','rang;','raquo;', |
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'raquo','rarr;','rceil;','rdquo;','real;','reg;','reg','rfloor;','rho;', |
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'rlm;','rsaquo;','rsquo;','sbquo;','scaron;','sdot;','sect;','sect','shy;', |
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'shy','sigma;','sigmaf;','sim;','spades;','sub;','sube;','sum;','sup1;', |
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'sup1','sup2;','sup2','sup3;','sup3','sup;','supe;','szlig;','szlig','tau;', |
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'there4;','theta;','thetasym;','thinsp;','thorn;','thorn','tilde;','times;', |
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'times','trade;','uArr;','uacute;','uacute','uarr;','ucirc;','ucirc', |
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'ugrave;','ugrave','uml;','uml','upsih;','upsilon;','uuml;','uuml','weierp;', |
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'xi;','yacute;','yacute','yen;','yen','yuml;','yuml','zeta;','zwj;','zwnj;'); |
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|
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const PCDATA = 0; |
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const RCDATA = 1; |
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const CDATA = 2; |
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const PLAINTEXT = 3; |
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|
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const DOCTYPE = 0; |
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const STARTTAG = 1; |
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const ENDTAG = 2; |
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const COMMENT = 3; |
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const CHARACTR = 4; |
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const EOF = 5; |
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|
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public function __construct($data) |
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{ |
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$data = str_replace("\r\n", "\n", $data); |
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$date = str_replace("\r", null, $data); |
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|
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$this->data = $data; |
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$this->char = -1; |
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$this->EOF = strlen($data); |
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$this->tree = new HTML5TreeConstructer; |
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$this->content_model = self::PCDATA; |
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|
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$this->state = 'data'; |
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|
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while($this->state !== null) { |
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$this->{$this->state.'State'}(); |
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} |
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} |
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|
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public function save() |
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{ |
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return $this->tree->save(); |
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} |
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|
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private function char() |
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{ |
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return ($this->char < $this->EOF) |
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? $this->data[$this->char] |
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: false; |
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} |
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|
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private function character($s, $l = 0) |
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{ |
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if($s + $l < $this->EOF) { |
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if($l === 0) { |
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return $this->data[$s]; |
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} else { |
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return substr($this->data, $s, $l); |
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} |
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} |
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} |
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|
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private function characters($char_class, $start) |
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{ |
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return preg_replace('#^(['.$char_class.']+).*#s', '\\1', substr($this->data, $start)); |
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} |
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|
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private function dataState() |
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{ |
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// Consume the next input character |
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$this->char++; |
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$char = $this->char(); |
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|
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if($char === '&' && ($this->content_model === self::PCDATA || $this->content_model === self::RCDATA)) { |
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/* U+0026 AMPERSAND (&) |
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When the content model flag is set to one of the PCDATA or RCDATA |
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states: switch to the entity data state. Otherwise: treat it as per |
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the "anything else" entry below. */ |
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$this->state = 'entityData'; |
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|
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} elseif($char === '-') { |
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/* If the content model flag is set to either the RCDATA state or |
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the CDATA state, and the escape flag is false, and there are at |
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least three characters before this one in the input stream, and the |
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last four characters in the input stream, including this one, are |
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U+003C LESS-THAN SIGN, U+0021 EXCLAMATION MARK, U+002D HYPHEN-MINUS, |
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and U+002D HYPHEN-MINUS ("<!--"), then set the escape flag to true. */ |
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if(($this->content_model === self::RCDATA || $this->content_model === |
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self::CDATA) && $this->escape === false && |
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$this->char >= 3 && $this->character($this->char - 4, 4) === '<!--') { |
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$this->escape = true; |
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} |
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|
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/* In any case, emit the input character as a character token. Stay |
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in the data state. */ |
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => $char |
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)); |
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|
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/* U+003C LESS-THAN SIGN (<) */ |
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} elseif($char === '<' && ($this->content_model === self::PCDATA || |
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(($this->content_model === self::RCDATA || |
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$this->content_model === self::CDATA) && $this->escape === false))) { |
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/* When the content model flag is set to the PCDATA state: switch |
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to the tag open state. |
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|
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When the content model flag is set to either the RCDATA state or |
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the CDATA state and the escape flag is false: switch to the tag |
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open state. |
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|
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Otherwise: treat it as per the "anything else" entry below. */ |
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$this->state = 'tagOpen'; |
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|
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/* U+003E GREATER-THAN SIGN (>) */ |
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} elseif($char === '>') { |
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/* If the content model flag is set to either the RCDATA state or |
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the CDATA state, and the escape flag is true, and the last three |
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characters in the input stream including this one are U+002D |
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HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN ("-->"), |
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set the escape flag to false. */ |
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if(($this->content_model === self::RCDATA || |
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$this->content_model === self::CDATA) && $this->escape === true && |
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$this->character($this->char, 3) === '-->') { |
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$this->escape = false; |
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} |
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|
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/* In any case, emit the input character as a character token. |
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Stay in the data state. */ |
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => $char |
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)); |
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|
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} elseif($this->char === $this->EOF) { |
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/* EOF |
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Emit an end-of-file token. */ |
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$this->EOF(); |
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|
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} elseif($this->content_model === self::PLAINTEXT) { |
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/* When the content model flag is set to the PLAINTEXT state |
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THIS DIFFERS GREATLY FROM THE SPEC: Get the remaining characters of |
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the text and emit it as a character token. */ |
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => substr($this->data, $this->char) |
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)); |
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|
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$this->EOF(); |
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|
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} else { |
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/* Anything else |
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THIS DIFFERS GREATLY FROM THE SPEC: Get as many character that |
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otherwise would also be treated as a character token and emit it |
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as a single character token. Stay in the data state. */ |
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$len = strcspn($this->data, '<&', $this->char); |
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$char = substr($this->data, $this->char, $len); |
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$this->char += $len - 1; |
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|
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => $char |
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)); |
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|
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$this->state = 'data'; |
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} |
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} |
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|
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private function entityDataState() |
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{ |
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// Attempt to consume an entity. |
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$entity = $this->entity(); |
|
|
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// If nothing is returned, emit a U+0026 AMPERSAND character token. |
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// Otherwise, emit the character token that was returned. |
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$char = (!$entity) ? '&' : $entity; |
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$this->emitToken($char); |
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|
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// Finally, switch to the data state. |
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$this->state = 'data'; |
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} |
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|
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private function tagOpenState() |
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{ |
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switch($this->content_model) { |
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case self::RCDATA: |
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case self::CDATA: |
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/* If the next input character is a U+002F SOLIDUS (/) character, |
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consume it and switch to the close tag open state. If the next |
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input character is not a U+002F SOLIDUS (/) character, emit a |
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U+003C LESS-THAN SIGN character token and switch to the data |
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state to process the next input character. */ |
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if($this->character($this->char + 1) === '/') { |
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$this->char++; |
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$this->state = 'closeTagOpen'; |
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|
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} else { |
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => '<' |
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)); |
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|
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$this->state = 'data'; |
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} |
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break; |
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|
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case self::PCDATA: |
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// If the content model flag is set to the PCDATA state |
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// Consume the next input character: |
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$this->char++; |
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$char = $this->char(); |
|
|
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if($char === '!') { |
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/* U+0021 EXCLAMATION MARK (!) |
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Switch to the markup declaration open state. */ |
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$this->state = 'markupDeclarationOpen'; |
|
|
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} elseif($char === '/') { |
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/* U+002F SOLIDUS (/) |
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Switch to the close tag open state. */ |
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$this->state = 'closeTagOpen'; |
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|
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} elseif(preg_match('/^[A-Za-z]$/', $char)) { |
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/* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z |
|
Create a new start tag token, set its tag name to the lowercase |
|
version of the input character (add 0x0020 to the character's code |
|
point), then switch to the tag name state. (Don't emit the token |
|
yet; further details will be filled in before it is emitted.) */ |
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$this->token = array( |
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'name' => strtolower($char), |
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'type' => self::STARTTAG, |
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'attr' => array() |
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); |
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|
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$this->state = 'tagName'; |
|
|
|
} elseif($char === '>') { |
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/* U+003E GREATER-THAN SIGN (>) |
|
Parse error. Emit a U+003C LESS-THAN SIGN character token and a |
|
U+003E GREATER-THAN SIGN character token. Switch to the data state. */ |
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$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => '<>' |
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)); |
|
|
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$this->state = 'data'; |
|
|
|
} elseif($char === '?') { |
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/* U+003F QUESTION MARK (?) |
|
Parse error. Switch to the bogus comment state. */ |
|
$this->state = 'bogusComment'; |
|
|
|
} else { |
|
/* Anything else |
|
Parse error. Emit a U+003C LESS-THAN SIGN character token and |
|
reconsume the current input character in the data state. */ |
|
$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => '<' |
|
)); |
|
|
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$this->char--; |
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$this->state = 'data'; |
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} |
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break; |
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} |
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} |
|
|
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private function closeTagOpenState() |
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{ |
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$next_node = strtolower($this->characters('A-Za-z', $this->char + 1)); |
|
$the_same = count($this->tree->stack) > 0 && $next_node === end($this->tree->stack)->nodeName; |
|
|
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if(($this->content_model === self::RCDATA || $this->content_model === self::CDATA) && |
|
(!$the_same || ($the_same && (!preg_match('/[\t\n\x0b\x0c >\/]/', |
|
$this->character($this->char + 1 + strlen($next_node))) || $this->EOF === $this->char)))) { |
|
/* If the content model flag is set to the RCDATA or CDATA states then |
|
examine the next few characters. If they do not match the tag name of |
|
the last start tag token emitted (case insensitively), or if they do but |
|
they are not immediately followed by one of the following characters: |
|
* U+0009 CHARACTER TABULATION |
|
* U+000A LINE FEED (LF) |
|
* U+000B LINE TABULATION |
|
* U+000C FORM FEED (FF) |
|
* U+0020 SPACE |
|
* U+003E GREATER-THAN SIGN (>) |
|
* U+002F SOLIDUS (/) |
|
* EOF |
|
...then there is a parse error. Emit a U+003C LESS-THAN SIGN character |
|
token, a U+002F SOLIDUS character token, and switch to the data state |
|
to process the next input character. */ |
|
$this->emitToken(array( |
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'type' => self::CHARACTR, |
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'data' => '</' |
|
)); |
|
|
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$this->state = 'data'; |
|
|
|
} else { |
|
/* Otherwise, if the content model flag is set to the PCDATA state, |
|
or if the next few characters do match that tag name, consume the |
|
next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if(preg_match('/^[A-Za-z]$/', $char)) { |
|
/* U+0041 LATIN LETTER A through to U+005A LATIN LETTER Z |
|
Create a new end tag token, set its tag name to the lowercase version |
|
of the input character (add 0x0020 to the character's code point), then |
|
switch to the tag name state. (Don't emit the token yet; further details |
|
will be filled in before it is emitted.) */ |
|
$this->token = array( |
|
'name' => strtolower($char), |
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'type' => self::ENDTAG |
|
); |
|
|
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$this->state = 'tagName'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Parse error. Switch to the data state. */ |
|
$this->state = 'data'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit a U+003C LESS-THAN SIGN character token and a U+002F |
|
SOLIDUS character token. Reconsume the EOF character in the data state. */ |
|
$this->emitToken(array( |
|
'type' => self::CHARACTR, |
|
'data' => '</' |
|
)); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Parse error. Switch to the bogus comment state. */ |
|
$this->state = 'bogusComment'; |
|
} |
|
} |
|
} |
|
|
|
private function tagNameState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Switch to the before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the EOF |
|
character in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} elseif($char === '/') { |
|
/* U+002F SOLIDUS (/) |
|
Parse error unless this is a permitted slash. Switch to the before |
|
attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current tag token's tag name. |
|
Stay in the tag name state. */ |
|
$this->token['name'] .= strtolower($char); |
|
$this->state = 'tagName'; |
|
} |
|
} |
|
|
|
private function beforeAttributeNameState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Stay in the before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($char === '/') { |
|
/* U+002F SOLIDUS (/) |
|
Parse error unless this is a permitted slash. Stay in the before |
|
attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the EOF |
|
character in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Start a new attribute in the current tag token. Set that attribute's |
|
name to the current input character, and its value to the empty string. |
|
Switch to the attribute name state. */ |
|
$this->token['attr'][] = array( |
|
'name' => strtolower($char), |
|
'value' => null |
|
); |
|
|
|
$this->state = 'attributeName'; |
|
} |
|
} |
|
|
|
private function attributeNameState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Stay in the before attribute name state. */ |
|
$this->state = 'afterAttributeName'; |
|
|
|
} elseif($char === '=') { |
|
/* U+003D EQUALS SIGN (=) |
|
Switch to the before attribute value state. */ |
|
$this->state = 'beforeAttributeValue'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($char === '/' && $this->character($this->char + 1) !== '>') { |
|
/* U+002F SOLIDUS (/) |
|
Parse error unless this is a permitted slash. Switch to the before |
|
attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the EOF |
|
character in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current attribute's name. |
|
Stay in the attribute name state. */ |
|
$last = count($this->token['attr']) - 1; |
|
$this->token['attr'][$last]['name'] .= strtolower($char); |
|
|
|
$this->state = 'attributeName'; |
|
} |
|
} |
|
|
|
private function afterAttributeNameState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Stay in the after attribute name state. */ |
|
$this->state = 'afterAttributeName'; |
|
|
|
} elseif($char === '=') { |
|
/* U+003D EQUALS SIGN (=) |
|
Switch to the before attribute value state. */ |
|
$this->state = 'beforeAttributeValue'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($char === '/' && $this->character($this->char + 1) !== '>') { |
|
/* U+002F SOLIDUS (/) |
|
Parse error unless this is a permitted slash. Switch to the |
|
before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the EOF |
|
character in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Start a new attribute in the current tag token. Set that attribute's |
|
name to the current input character, and its value to the empty string. |
|
Switch to the attribute name state. */ |
|
$this->token['attr'][] = array( |
|
'name' => strtolower($char), |
|
'value' => null |
|
); |
|
|
|
$this->state = 'attributeName'; |
|
} |
|
} |
|
|
|
private function beforeAttributeValueState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Stay in the before attribute value state. */ |
|
$this->state = 'beforeAttributeValue'; |
|
|
|
} elseif($char === '"') { |
|
/* U+0022 QUOTATION MARK (") |
|
Switch to the attribute value (double-quoted) state. */ |
|
$this->state = 'attributeValueDoubleQuoted'; |
|
|
|
} elseif($char === '&') { |
|
/* U+0026 AMPERSAND (&) |
|
Switch to the attribute value (unquoted) state and reconsume |
|
this input character. */ |
|
$this->char--; |
|
$this->state = 'attributeValueUnquoted'; |
|
|
|
} elseif($char === '\'') { |
|
/* U+0027 APOSTROPHE (') |
|
Switch to the attribute value (single-quoted) state. */ |
|
$this->state = 'attributeValueSingleQuoted'; |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current attribute's value. |
|
Switch to the attribute value (unquoted) state. */ |
|
$last = count($this->token['attr']) - 1; |
|
$this->token['attr'][$last]['value'] .= $char; |
|
|
|
$this->state = 'attributeValueUnquoted'; |
|
} |
|
} |
|
|
|
private function attributeValueDoubleQuotedState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if($char === '"') { |
|
/* U+0022 QUOTATION MARK (") |
|
Switch to the before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($char === '&') { |
|
/* U+0026 AMPERSAND (&) |
|
Switch to the entity in attribute value state. */ |
|
$this->entityInAttributeValueState('double'); |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the character |
|
in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current attribute's value. |
|
Stay in the attribute value (double-quoted) state. */ |
|
$last = count($this->token['attr']) - 1; |
|
$this->token['attr'][$last]['value'] .= $char; |
|
|
|
$this->state = 'attributeValueDoubleQuoted'; |
|
} |
|
} |
|
|
|
private function attributeValueSingleQuotedState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if($char === '\'') { |
|
/* U+0022 QUOTATION MARK (') |
|
Switch to the before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($char === '&') { |
|
/* U+0026 AMPERSAND (&) |
|
Switch to the entity in attribute value state. */ |
|
$this->entityInAttributeValueState('single'); |
|
|
|
} elseif($this->char === $this->EOF) { |
|
/* EOF |
|
Parse error. Emit the current tag token. Reconsume the character |
|
in the data state. */ |
|
$this->emitToken($this->token); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current attribute's value. |
|
Stay in the attribute value (single-quoted) state. */ |
|
$last = count($this->token['attr']) - 1; |
|
$this->token['attr'][$last]['value'] .= $char; |
|
|
|
$this->state = 'attributeValueSingleQuoted'; |
|
} |
|
} |
|
|
|
private function attributeValueUnquotedState() |
|
{ |
|
// Consume the next input character: |
|
$this->char++; |
|
$char = $this->character($this->char); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
/* U+0009 CHARACTER TABULATION |
|
U+000A LINE FEED (LF) |
|
U+000B LINE TABULATION |
|
U+000C FORM FEED (FF) |
|
U+0020 SPACE |
|
Switch to the before attribute name state. */ |
|
$this->state = 'beforeAttributeName'; |
|
|
|
} elseif($char === '&') { |
|
/* U+0026 AMPERSAND (&) |
|
Switch to the entity in attribute value state. */ |
|
$this->entityInAttributeValueState('non'); |
|
|
|
} elseif($char === '>') { |
|
/* U+003E GREATER-THAN SIGN (>) |
|
Emit the current tag token. Switch to the data state. */ |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} else { |
|
/* Anything else |
|
Append the current input character to the current attribute's value. |
|
Stay in the attribute value (unquoted) state. */ |
|
$last = count($this->token['attr']) - 1; |
|
$this->token['attr'][$last]['value'] .= $char; |
|
|
|
$this->state = 'attributeValueUnquoted'; |
|
} |
|
} |
|
|
|
private function entityInAttributeValueState() |
|
{ |
|
// Attempt to consume an entity. |
|
$entity = $this->entity(); |
|
|
|
// If nothing is returned, append a U+0026 AMPERSAND character to the |
|
// current attribute's value. Otherwise, emit the character token that |
|
// was returned. |
|
$char = (!$entity) |
|
? '&' |
|
: $entity; |
|
|
|
$this->emitToken($char); |
|
} |
|
|
|
private function bogusCommentState() |
|
{ |
|
/* Consume every character up to the first U+003E GREATER-THAN SIGN |
|
character (>) or the end of the file (EOF), whichever comes first. Emit |
|
a comment token whose data is the concatenation of all the characters |
|
starting from and including the character that caused the state machine |
|
to switch into the bogus comment state, up to and including the last |
|
consumed character before the U+003E character, if any, or up to the |
|
end of the file otherwise. (If the comment was started by the end of |
|
the file (EOF), the token is empty.) */ |
|
$data = $this->characters('^>', $this->char); |
|
$this->emitToken(array( |
|
'data' => $data, |
|
'type' => self::COMMENT |
|
)); |
|
|
|
$this->char += strlen($data); |
|
|
|
/* Switch to the data state. */ |
|
$this->state = 'data'; |
|
|
|
/* If the end of the file was reached, reconsume the EOF character. */ |
|
if($this->char === $this->EOF) { |
|
$this->char = $this->EOF - 1; |
|
} |
|
} |
|
|
|
private function markupDeclarationOpenState() |
|
{ |
|
/* If the next two characters are both U+002D HYPHEN-MINUS (-) |
|
characters, consume those two characters, create a comment token whose |
|
data is the empty string, and switch to the comment state. */ |
|
if($this->character($this->char + 1, 2) === '--') { |
|
$this->char += 2; |
|
$this->state = 'comment'; |
|
$this->token = array( |
|
'data' => null, |
|
'type' => self::COMMENT |
|
); |
|
|
|
/* Otherwise if the next seven chacacters are a case-insensitive match |
|
for the word "DOCTYPE", then consume those characters and switch to the |
|
DOCTYPE state. */ |
|
} elseif(strtolower($this->character($this->char + 1, 7)) === 'doctype') { |
|
$this->char += 7; |
|
$this->state = 'doctype'; |
|
|
|
/* Otherwise, is is a parse error. Switch to the bogus comment state. |
|
The next character that is consumed, if any, is the first character |
|
that will be in the comment. */ |
|
} else { |
|
$this->char++; |
|
$this->state = 'bogusComment'; |
|
} |
|
} |
|
|
|
private function commentState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
/* U+002D HYPHEN-MINUS (-) */ |
|
if($char === '-') { |
|
/* Switch to the comment dash state */ |
|
$this->state = 'commentDash'; |
|
|
|
/* EOF */ |
|
} elseif($this->char === $this->EOF) { |
|
/* Parse error. Emit the comment token. Reconsume the EOF character |
|
in the data state. */ |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Append the input character to the comment token's data. Stay in |
|
the comment state. */ |
|
$this->token['data'] .= $char; |
|
} |
|
} |
|
|
|
private function commentDashState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
/* U+002D HYPHEN-MINUS (-) */ |
|
if($char === '-') { |
|
/* Switch to the comment end state */ |
|
$this->state = 'commentEnd'; |
|
|
|
/* EOF */ |
|
} elseif($this->char === $this->EOF) { |
|
/* Parse error. Emit the comment token. Reconsume the EOF character |
|
in the data state. */ |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Append a U+002D HYPHEN-MINUS (-) character and the input |
|
character to the comment token's data. Switch to the comment state. */ |
|
$this->token['data'] .= '-'.$char; |
|
$this->state = 'comment'; |
|
} |
|
} |
|
|
|
private function commentEndState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if($char === '>') { |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($char === '-') { |
|
$this->token['data'] .= '-'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
$this->token['data'] .= '--'.$char; |
|
$this->state = 'comment'; |
|
} |
|
} |
|
|
|
private function doctypeState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
$this->state = 'beforeDoctypeName'; |
|
|
|
} else { |
|
$this->char--; |
|
$this->state = 'beforeDoctypeName'; |
|
} |
|
} |
|
|
|
private function beforeDoctypeNameState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
// Stay in the before DOCTYPE name state. |
|
|
|
} elseif(preg_match('/^[a-z]$/', $char)) { |
|
$this->token = array( |
|
'name' => strtoupper($char), |
|
'type' => self::DOCTYPE, |
|
'error' => true |
|
); |
|
|
|
$this->state = 'doctypeName'; |
|
|
|
} elseif($char === '>') { |
|
$this->emitToken(array( |
|
'name' => null, |
|
'type' => self::DOCTYPE, |
|
'error' => true |
|
)); |
|
|
|
$this->state = 'data'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
$this->emitToken(array( |
|
'name' => null, |
|
'type' => self::DOCTYPE, |
|
'error' => true |
|
)); |
|
|
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
$this->token = array( |
|
'name' => $char, |
|
'type' => self::DOCTYPE, |
|
'error' => true |
|
); |
|
|
|
$this->state = 'doctypeName'; |
|
} |
|
} |
|
|
|
private function doctypeNameState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
$this->state = 'AfterDoctypeName'; |
|
|
|
} elseif($char === '>') { |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif(preg_match('/^[a-z]$/', $char)) { |
|
$this->token['name'] .= strtoupper($char); |
|
|
|
} elseif($this->char === $this->EOF) { |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
$this->token['name'] .= $char; |
|
} |
|
|
|
$this->token['error'] = ($this->token['name'] === 'HTML') |
|
? false |
|
: true; |
|
} |
|
|
|
private function afterDoctypeNameState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if(preg_match('/^[\t\n\x0b\x0c ]$/', $char)) { |
|
// Stay in the DOCTYPE name state. |
|
|
|
} elseif($char === '>') { |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
$this->token['error'] = true; |
|
$this->state = 'bogusDoctype'; |
|
} |
|
} |
|
|
|
private function bogusDoctypeState() |
|
{ |
|
/* Consume the next input character: */ |
|
$this->char++; |
|
$char = $this->char(); |
|
|
|
if($char === '>') { |
|
$this->emitToken($this->token); |
|
$this->state = 'data'; |
|
|
|
} elseif($this->char === $this->EOF) { |
|
$this->emitToken($this->token); |
|
$this->char--; |
|
$this->state = 'data'; |
|
|
|
} else { |
|
// Stay in the bogus DOCTYPE state. |
|
} |
|
} |
|
|
|
private function entity() |
|
{ |
|
$start = $this->char; |
|
|
|
// This section defines how to consume an entity. This definition is |
|
// used when parsing entities in text and in attributes. |
|
|
|
// The behaviour depends on the identity of the next character (the |
|
// one immediately after the U+0026 AMPERSAND character): |
|
|
|
switch($this->character($this->char + 1)) { |
|
// U+0023 NUMBER SIGN (#) |
|
case '#': |
|
|
|
// The behaviour further depends on the character after the |
|
// U+0023 NUMBER SIGN: |
|
switch($this->character($this->char + 1)) { |
|
// U+0078 LATIN SMALL LETTER X |
|
// U+0058 LATIN CAPITAL LETTER X |
|
case 'x': |
|
case 'X': |
|
// Follow the steps below, but using the range of |
|
// characters U+0030 DIGIT ZERO through to U+0039 DIGIT |
|
// NINE, U+0061 LATIN SMALL LETTER A through to U+0066 |
|
// LATIN SMALL LETTER F, and U+0041 LATIN CAPITAL LETTER |
|
// A, through to U+0046 LATIN CAPITAL LETTER F (in other |
|
// words, 0-9, A-F, a-f). |
|
$char = 1; |
|
$char_class = '0-9A-Fa-f'; |
|
break; |
|
|
|
// Anything else |
|
default: |
|
// Follow the steps below, but using the range of |
|
// characters U+0030 DIGIT ZERO through to U+0039 DIGIT |
|
// NINE (i.e. just 0-9). |
|
$char = 0; |
|
$char_class = '0-9'; |
|
break; |
|
} |
|
|
|
// Consume as many characters as match the range of characters |
|
// given above. |
|
$this->char++; |
|
$e_name = $this->characters($char_class, $this->char + $char + 1); |
|
$entity = $this->character($start, $this->char); |
|
$cond = strlen($e_name) > 0; |
|
|
|
// The rest of the parsing happens below. |
|
break; |
|
|
|
// Anything else |
|
default: |
|
// Consume the maximum number of characters possible, with the |
|
// consumed characters case-sensitively matching one of the |
|
// identifiers in the first column of the entities table. |
|
$e_name = $this->characters('0-9A-Za-z;', $this->char + 1); |
|
$len = strlen($e_name); |
|
|
|
for($c = 1; $c <= $len; $c++) { |
|
$id = substr($e_name, 0, $c); |
|
$this->char++; |
|
|
|
if(in_array($id, $this->entities)) { |
|
$entity = $id; |
|
break; |
|
} |
|
} |
|
|
|
$cond = isset($entity); |
|
// The rest of the parsing happens below. |
|
break; |
|
} |
|
|
|
if(!$cond) { |
|
// If no match can be made, then this is a parse error. No |
|
// characters are consumed, and nothing is returned. |
|
$this->char = $start; |
|
return false; |
|
} |
|
|
|
// Return a character token for the character corresponding to the |
|
// entity name (as given by the second column of the entities table). |
|
return html_entity_decode('&'.$entity.';', ENT_QUOTES, 'UTF-8'); |
|
} |
|
|
|
private function emitToken($token) |
|
{ |
|
$emit = $this->tree->emitToken($token); |
|
|
|
if(is_int($emit)) { |
|
$this->content_model = $emit; |
|
|
|
} elseif($token['type'] === self::ENDTAG) { |
|
$this->content_model = self::PCDATA; |
|
} |
|
} |
|
|
|
private function EOF() |
|
{ |
|
$this->state = null; |
|
$this->tree->emitToken(array( |
|
'type' => self::EOF |
|
)); |
|
} |
|
} |
|
|
|
class HTML5TreeConstructer |
|
{ |
|
public $stack = array(); |
|
|
|
private $phase; |
|
private $mode; |
|
private $dom; |
|
private $foster_parent = null; |
|
private $a_formatting = array(); |
|
|
|
private $head_pointer = null; |
|
private $form_pointer = null; |
|
|
|
private $scoping = array('button','caption','html','marquee','object','table','td','th'); |
|
private $formatting = array('a','b','big','em','font','i','nobr','s','small','strike','strong','tt','u'); |
|
private $special = array('address','area','base','basefont','bgsound', |
|
'blockquote','body','br','center','col','colgroup','dd','dir','div','dl', |
|
'dt','embed','fieldset','form','frame','frameset','h1','h2','h3','h4','h5', |
|
'h6','head','hr','iframe','image','img','input','isindex','li','link', |
|
'listing','menu','meta','noembed','noframes','noscript','ol','optgroup', |
|
'option','p','param','plaintext','pre','script','select','spacer','style', |
|
'tbody','textarea','tfoot','thead','title','tr','ul','wbr'); |
|
|
|
// The different phases. |
|
const INIT_PHASE = 0; |
|
const ROOT_PHASE = 1; |
|
const MAIN_PHASE = 2; |
|
const END_PHASE = 3; |
|
|
|
// The different insertion modes for the main phase. |
|
const BEFOR_HEAD = 0; |
|
const IN_HEAD = 1; |
|
const AFTER_HEAD = 2; |
|
const IN_BODY = 3; |
|
const IN_TABLE = 4; |
|
const IN_CAPTION = 5; |
|
const IN_CGROUP = 6; |
|
const IN_TBODY = 7; |
|
const IN_ROW = 8; |
|
const IN_CELL = 9; |
|
const IN_SELECT = 10; |
|
const AFTER_BODY = 11; |
|
const IN_FRAME = 12; |
|
const AFTR_FRAME = 13; |
|
|
|
// The different types of elements. |
|
const SPECIAL = 0; |
|
const SCOPING = 1; |
|
const FORMATTING = 2; |
|
const PHRASING = 3; |
|
|
|
const MARKER = 0; |
|
|
|
public function __construct() |
|
{ |
|
$this->phase = self::INIT_PHASE; |
|
$this->mode = self::BEFOR_HEAD; |
|
$this->dom = new DOMDocument; |
|
|
|
$this->dom->encoding = 'UTF-8'; |
|
$this->dom->preserveWhiteSpace = true; |
|
$this->dom->substituteEntities = true; |
|
$this->dom->strictErrorChecking = false; |
|
} |
|
|
|
// Process tag tokens |
|
public function emitToken($token) |
|
{ |
|
switch($this->phase) { |
|
case self::INIT_PHASE: return $this->initPhase($token); break; |
|
case self::ROOT_PHASE: return $this->rootElementPhase($token); break; |
|
case self::MAIN_PHASE: return $this->mainPhase($token); break; |
|
case self::END_PHASE : return $this->trailingEndPhase($token); break; |
|
} |
|
} |
|
|
|
private function initPhase($token) |
|
{ |
|
/* Initially, the tree construction stage must handle each token |
|
emitted from the tokenisation stage as follows: */ |
|
|
|
/* A DOCTYPE token that is marked as being in error |
|
A comment token |
|
A start tag token |
|
An end tag token |
|
A character token that is not one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE |
|
An end-of-file token */ |
|
if((isset($token['error']) && $token['error']) || |
|
$token['type'] === HTML5::COMMENT || |
|
$token['type'] === HTML5::STARTTAG || |
|
$token['type'] === HTML5::ENDTAG || |
|
$token['type'] === HTML5::EOF || |
|
($token['type'] === HTML5::CHARACTR && isset($token['data']) && |
|
!preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data']))) { |
|
/* This specification does not define how to handle this case. In |
|
particular, user agents may ignore the entirety of this specification |
|
altogether for such documents, and instead invoke special parse modes |
|
with a greater emphasis on backwards compatibility. */ |
|
|
|
$this->phase = self::ROOT_PHASE; |
|
return $this->rootElementPhase($token); |
|
|
|
/* A DOCTYPE token marked as being correct */ |
|
} elseif(isset($token['error']) && !$token['error']) { |
|
/* Append a DocumentType node to the Document node, with the name |
|
attribute set to the name given in the DOCTYPE token (which will be |
|
"HTML"), and the other attributes specific to DocumentType objects |
|
set to null, empty lists, or the empty string as appropriate. */ |
|
$doctype = new DOMDocumentType(null, null, 'HTML'); |
|
|
|
/* Then, switch to the root element phase of the tree construction |
|
stage. */ |
|
$this->phase = self::ROOT_PHASE; |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
} elseif(isset($token['data']) && preg_match('/^[\t\n\x0b\x0c ]+$/', |
|
$token['data'])) { |
|
/* Append that character to the Document node. */ |
|
$text = $this->dom->createTextNode($token['data']); |
|
$this->dom->appendChild($text); |
|
} |
|
} |
|
|
|
private function rootElementPhase($token) |
|
{ |
|
/* After the initial phase, as each token is emitted from the tokenisation |
|
stage, it must be processed as described in this section. */ |
|
|
|
/* A DOCTYPE token */ |
|
if($token['type'] === HTML5::DOCTYPE) { |
|
// Parse error. Ignore the token. |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the Document object with the data |
|
attribute set to the data given in the comment token. */ |
|
$comment = $this->dom->createComment($token['data']); |
|
$this->dom->appendChild($comment); |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
} elseif($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append that character to the Document node. */ |
|
$text = $this->dom->createTextNode($token['data']); |
|
$this->dom->appendChild($text); |
|
|
|
/* A character token that is not one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED |
|
(FF), or U+0020 SPACE |
|
A start tag token |
|
An end tag token |
|
An end-of-file token */ |
|
} elseif(($token['type'] === HTML5::CHARACTR && |
|
!preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) || |
|
$token['type'] === HTML5::STARTTAG || |
|
$token['type'] === HTML5::ENDTAG || |
|
$token['type'] === HTML5::EOF) { |
|
/* Create an HTMLElement node with the tag name html, in the HTML |
|
namespace. Append it to the Document object. Switch to the main |
|
phase and reprocess the current token. */ |
|
$html = $this->dom->createElement('html'); |
|
$this->dom->appendChild($html); |
|
$this->stack[] = $html; |
|
|
|
$this->phase = self::MAIN_PHASE; |
|
return $this->mainPhase($token); |
|
} |
|
} |
|
|
|
private function mainPhase($token) |
|
{ |
|
/* Tokens in the main phase must be handled as follows: */ |
|
|
|
/* A DOCTYPE token */ |
|
if($token['type'] === HTML5::DOCTYPE) { |
|
// Parse error. Ignore the token. |
|
|
|
/* A start tag token with the tag name "html" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'html') { |
|
/* If this start tag token was not the first start tag token, then |
|
it is a parse error. */ |
|
|
|
/* For each attribute on the token, check to see if the attribute |
|
is already present on the top element of the stack of open elements. |
|
If it is not, add the attribute and its corresponding value to that |
|
element. */ |
|
foreach($token['attr'] as $attr) { |
|
if(!$this->stack[0]->hasAttribute($attr['name'])) { |
|
$this->stack[0]->setAttribute($attr['name'], $attr['value']); |
|
} |
|
} |
|
|
|
/* An end-of-file token */ |
|
} elseif($token['type'] === HTML5::EOF) { |
|
/* Generate implied end tags. */ |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Anything else. */ |
|
} else { |
|
/* Depends on the insertion mode: */ |
|
switch($this->mode) { |
|
case self::BEFOR_HEAD: return $this->beforeHead($token); break; |
|
case self::IN_HEAD: return $this->inHead($token); break; |
|
case self::AFTER_HEAD: return $this->afterHead($token); break; |
|
case self::IN_BODY: return $this->inBody($token); break; |
|
case self::IN_TABLE: return $this->inTable($token); break; |
|
case self::IN_CAPTION: return $this->inCaption($token); break; |
|
case self::IN_CGROUP: return $this->inColumnGroup($token); break; |
|
case self::IN_TBODY: return $this->inTableBody($token); break; |
|
case self::IN_ROW: return $this->inRow($token); break; |
|
case self::IN_CELL: return $this->inCell($token); break; |
|
case self::IN_SELECT: return $this->inSelect($token); break; |
|
case self::AFTER_BODY: return $this->afterBody($token); break; |
|
case self::IN_FRAME: return $this->inFrameset($token); break; |
|
case self::AFTR_FRAME: return $this->afterFrameset($token); break; |
|
case self::END_PHASE: return $this->trailingEndPhase($token); break; |
|
} |
|
} |
|
} |
|
|
|
private function beforeHead($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data attribute |
|
set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
/* A start tag token with the tag name "head" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') { |
|
/* Create an element for the token, append the new element to the |
|
current node and push it onto the stack of open elements. */ |
|
$element = $this->insertElement($token); |
|
|
|
/* Set the head element pointer to this new element node. */ |
|
$this->head_pointer = $element; |
|
|
|
/* Change the insertion mode to "in head". */ |
|
$this->mode = self::IN_HEAD; |
|
|
|
/* A start tag token whose tag name is one of: "base", "link", "meta", |
|
"script", "style", "title". Or an end tag with the tag name "html". |
|
Or a character token that is not one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE. Or any other start tag token */ |
|
} elseif($token['type'] === HTML5::STARTTAG || |
|
($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') || |
|
($token['type'] === HTML5::CHARACTR && !preg_match('/^[\t\n\x0b\x0c ]$/', |
|
$token['data']))) { |
|
/* Act as if a start tag token with the tag name "head" and no |
|
attributes had been seen, then reprocess the current token. */ |
|
$this->beforeHead(array( |
|
'name' => 'head', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
return $this->inHead($token); |
|
|
|
/* Any other end tag */ |
|
} elseif($token['type'] === HTML5::ENDTAG) { |
|
/* Parse error. Ignore the token. */ |
|
} |
|
} |
|
|
|
private function inHead($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE. |
|
|
|
THIS DIFFERS FROM THE SPEC: If the current node is either a title, style |
|
or script element, append the character to the current node regardless |
|
of its content. */ |
|
if(($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) || ( |
|
$token['type'] === HTML5::CHARACTR && in_array(end($this->stack)->nodeName, |
|
array('title', 'style', 'script')))) { |
|
/* Append the character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data attribute |
|
set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
in_array($token['name'], array('title', 'style', 'script'))) { |
|
array_pop($this->stack); |
|
return HTML5::PCDATA; |
|
|
|
/* A start tag with the tag name "title" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'title') { |
|
/* Create an element for the token and append the new element to the |
|
node pointed to by the head element pointer, or, if that is null |
|
(innerHTML case), to the current node. */ |
|
if($this->head_pointer !== null) { |
|
$element = $this->insertElement($token, false); |
|
$this->head_pointer->appendChild($element); |
|
|
|
} else { |
|
$element = $this->insertElement($token); |
|
} |
|
|
|
/* Switch the tokeniser's content model flag to the RCDATA state. */ |
|
return HTML5::RCDATA; |
|
|
|
/* A start tag with the tag name "style" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'style') { |
|
/* Create an element for the token and append the new element to the |
|
node pointed to by the head element pointer, or, if that is null |
|
(innerHTML case), to the current node. */ |
|
if($this->head_pointer !== null) { |
|
$element = $this->insertElement($token, false); |
|
$this->head_pointer->appendChild($element); |
|
|
|
} else { |
|
$this->insertElement($token); |
|
} |
|
|
|
/* Switch the tokeniser's content model flag to the CDATA state. */ |
|
return HTML5::CDATA; |
|
|
|
/* A start tag with the tag name "script" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'script') { |
|
/* Create an element for the token. */ |
|
$element = $this->insertElement($token, false); |
|
$this->head_pointer->appendChild($element); |
|
|
|
/* Switch the tokeniser's content model flag to the CDATA state. */ |
|
return HTML5::CDATA; |
|
|
|
/* A start tag with the tag name "base", "link", or "meta" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('base', 'link', 'meta'))) { |
|
/* Create an element for the token and append the new element to the |
|
node pointed to by the head element pointer, or, if that is null |
|
(innerHTML case), to the current node. */ |
|
if($this->head_pointer !== null) { |
|
$element = $this->insertElement($token, false); |
|
$this->head_pointer->appendChild($element); |
|
array_pop($this->stack); |
|
|
|
} else { |
|
$this->insertElement($token); |
|
} |
|
|
|
/* An end tag with the tag name "head" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'head') { |
|
/* If the current node is a head element, pop the current node off |
|
the stack of open elements. */ |
|
if($this->head_pointer->isSameNode(end($this->stack))) { |
|
array_pop($this->stack); |
|
|
|
/* Otherwise, this is a parse error. */ |
|
} else { |
|
// k |
|
} |
|
|
|
/* Change the insertion mode to "after head". */ |
|
$this->mode = self::AFTER_HEAD; |
|
|
|
/* A start tag with the tag name "head" or an end tag except "html". */ |
|
} elseif(($token['type'] === HTML5::STARTTAG && $token['name'] === 'head') || |
|
($token['type'] === HTML5::ENDTAG && $token['name'] !== 'html')) { |
|
// Parse error. Ignore the token. |
|
|
|
/* Anything else */ |
|
} else { |
|
/* If the current node is a head element, act as if an end tag |
|
token with the tag name "head" had been seen. */ |
|
if($this->head_pointer->isSameNode(end($this->stack))) { |
|
$this->inHead(array( |
|
'name' => 'head', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
/* Otherwise, change the insertion mode to "after head". */ |
|
} else { |
|
$this->mode = self::AFTER_HEAD; |
|
} |
|
|
|
/* Then, reprocess the current token. */ |
|
return $this->afterHead($token); |
|
} |
|
} |
|
|
|
private function afterHead($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data attribute |
|
set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
/* A start tag token with the tag name "body" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'body') { |
|
/* Insert a body element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Change the insertion mode to "in body". */ |
|
$this->mode = self::IN_BODY; |
|
|
|
/* A start tag token with the tag name "frameset" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'frameset') { |
|
/* Insert a frameset element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Change the insertion mode to "in frameset". */ |
|
$this->mode = self::IN_FRAME; |
|
|
|
/* A start tag token whose tag name is one of: "base", "link", "meta", |
|
"script", "style", "title" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('base', 'link', 'meta', 'script', 'style', 'title'))) { |
|
/* Parse error. Switch the insertion mode back to "in head" and |
|
reprocess the token. */ |
|
$this->mode = self::IN_HEAD; |
|
return $this->inHead($token); |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Act as if a start tag token with the tag name "body" and no |
|
attributes had been seen, and then reprocess the current token. */ |
|
$this->afterHead(array( |
|
'name' => 'body', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
return $this->inBody($token); |
|
} |
|
} |
|
|
|
private function inBody($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
switch($token['type']) { |
|
/* A character token */ |
|
case HTML5::CHARACTR: |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Append the token's character to the current node. */ |
|
$this->insertText($token['data']); |
|
break; |
|
|
|
/* A comment token */ |
|
case HTML5::COMMENT: |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
break; |
|
|
|
case HTML5::STARTTAG: |
|
switch($token['name']) { |
|
/* A start tag token whose tag name is one of: "script", |
|
"style" */ |
|
case 'script': case 'style': |
|
/* Process the token as if the insertion mode had been "in |
|
head". */ |
|
return $this->inHead($token); |
|
break; |
|
|
|
/* A start tag token whose tag name is one of: "base", "link", |
|
"meta", "title" */ |
|
case 'base': case 'link': case 'meta': case 'title': |
|
/* Parse error. Process the token as if the insertion mode |
|
had been "in head". */ |
|
return $this->inHead($token); |
|
break; |
|
|
|
/* A start tag token with the tag name "body" */ |
|
case 'body': |
|
/* Parse error. If the second element on the stack of open |
|
elements is not a body element, or, if the stack of open |
|
elements has only one node on it, then ignore the token. |
|
(innerHTML case) */ |
|
if(count($this->stack) === 1 || $this->stack[1]->nodeName !== 'body') { |
|
// Ignore |
|
|
|
/* Otherwise, for each attribute on the token, check to see |
|
if the attribute is already present on the body element (the |
|
second element) on the stack of open elements. If it is not, |
|
add the attribute and its corresponding value to that |
|
element. */ |
|
} else { |
|
foreach($token['attr'] as $attr) { |
|
if(!$this->stack[1]->hasAttribute($attr['name'])) { |
|
$this->stack[1]->setAttribute($attr['name'], $attr['value']); |
|
} |
|
} |
|
} |
|
break; |
|
|
|
/* A start tag whose tag name is one of: "address", |
|
"blockquote", "center", "dir", "div", "dl", "fieldset", |
|
"listing", "menu", "ol", "p", "ul" */ |
|
case 'address': case 'blockquote': case 'center': case 'dir': |
|
case 'div': case 'dl': case 'fieldset': case 'listing': |
|
case 'menu': case 'ol': case 'p': case 'ul': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been |
|
seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
break; |
|
|
|
/* A start tag whose tag name is "form" */ |
|
case 'form': |
|
/* If the form element pointer is not null, ignore the |
|
token with a parse error. */ |
|
if($this->form_pointer !== null) { |
|
// Ignore. |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* If the stack of open elements has a p element in |
|
scope, then act as if an end tag with the tag name p |
|
had been seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token, and set the |
|
form element pointer to point to the element created. */ |
|
$element = $this->insertElement($token); |
|
$this->form_pointer = $element; |
|
} |
|
break; |
|
|
|
/* A start tag whose tag name is "li", "dd" or "dt" */ |
|
case 'li': case 'dd': case 'dt': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been |
|
seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
$stack_length = count($this->stack) - 1; |
|
|
|
for($n = $stack_length; 0 <= $n; $n--) { |
|
/* 1. Initialise node to be the current node (the |
|
bottommost node of the stack). */ |
|
$stop = false; |
|
$node = $this->stack[$n]; |
|
$cat = $this->getElementCategory($node->tagName); |
|
|
|
/* 2. If node is an li, dd or dt element, then pop all |
|
the nodes from the current node up to node, including |
|
node, then stop this algorithm. */ |
|
if($token['name'] === $node->tagName || ($token['name'] !== 'li' |
|
&& ($node->tagName === 'dd' || $node->tagName === 'dt'))) { |
|
for($x = $stack_length; $x >= $n ; $x--) { |
|
array_pop($this->stack); |
|
} |
|
|
|
break; |
|
} |
|
|
|
/* 3. If node is not in the formatting category, and is |
|
not in the phrasing category, and is not an address or |
|
div element, then stop this algorithm. */ |
|
if($cat !== self::FORMATTING && $cat !== self::PHRASING && |
|
$node->tagName !== 'address' && $node->tagName !== 'div') { |
|
break; |
|
} |
|
} |
|
|
|
/* Finally, insert an HTML element with the same tag |
|
name as the token's. */ |
|
$this->insertElement($token); |
|
break; |
|
|
|
/* A start tag token whose tag name is "plaintext" */ |
|
case 'plaintext': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been |
|
seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
return HTML5::PLAINTEXT; |
|
break; |
|
|
|
/* A start tag whose tag name is one of: "h1", "h2", "h3", "h4", |
|
"h5", "h6" */ |
|
case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* If the stack of open elements has in scope an element whose |
|
tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then |
|
this is a parse error; pop elements from the stack until an |
|
element with one of those tag names has been popped from the |
|
stack. */ |
|
while($this->elementInScope(array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'))) { |
|
array_pop($this->stack); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
break; |
|
|
|
/* A start tag whose tag name is "a" */ |
|
case 'a': |
|
/* If the list of active formatting elements contains |
|
an element whose tag name is "a" between the end of the |
|
list and the last marker on the list (or the start of |
|
the list if there is no marker on the list), then this |
|
is a parse error; act as if an end tag with the tag name |
|
"a" had been seen, then remove that element from the list |
|
of active formatting elements and the stack of open |
|
elements if the end tag didn't already remove it (it |
|
might not have if the element is not in table scope). */ |
|
$leng = count($this->a_formatting); |
|
|
|
for($n = $leng - 1; $n >= 0; $n--) { |
|
if($this->a_formatting[$n] === self::MARKER) { |
|
break; |
|
|
|
} elseif($this->a_formatting[$n]->nodeName === 'a') { |
|
$this->emitToken(array( |
|
'name' => 'a', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
break; |
|
} |
|
} |
|
|
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$el = $this->insertElement($token); |
|
|
|
/* Add that element to the list of active formatting |
|
elements. */ |
|
$this->a_formatting[] = $el; |
|
break; |
|
|
|
/* A start tag whose tag name is one of: "b", "big", "em", "font", |
|
"i", "nobr", "s", "small", "strike", "strong", "tt", "u" */ |
|
case 'b': case 'big': case 'em': case 'font': case 'i': |
|
case 'nobr': case 's': case 'small': case 'strike': |
|
case 'strong': case 'tt': case 'u': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$el = $this->insertElement($token); |
|
|
|
/* Add that element to the list of active formatting |
|
elements. */ |
|
$this->a_formatting[] = $el; |
|
break; |
|
|
|
/* A start tag token whose tag name is "button" */ |
|
case 'button': |
|
/* If the stack of open elements has a button element in scope, |
|
then this is a parse error; act as if an end tag with the tag |
|
name "button" had been seen, then reprocess the token. (We don't |
|
do that. Unnecessary.) */ |
|
if($this->elementInScope('button')) { |
|
$this->inBody(array( |
|
'name' => 'button', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Insert a marker at the end of the list of active |
|
formatting elements. */ |
|
$this->a_formatting[] = self::MARKER; |
|
break; |
|
|
|
/* A start tag token whose tag name is one of: "marquee", "object" */ |
|
case 'marquee': case 'object': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Insert a marker at the end of the list of active |
|
formatting elements. */ |
|
$this->a_formatting[] = self::MARKER; |
|
break; |
|
|
|
/* A start tag token whose tag name is "xmp" */ |
|
case 'xmp': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Switch the content model flag to the CDATA state. */ |
|
return HTML5::CDATA; |
|
break; |
|
|
|
/* A start tag whose tag name is "table" */ |
|
case 'table': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Change the insertion mode to "in table". */ |
|
$this->mode = self::IN_TABLE; |
|
break; |
|
|
|
/* A start tag whose tag name is one of: "area", "basefont", |
|
"bgsound", "br", "embed", "img", "param", "spacer", "wbr" */ |
|
case 'area': case 'basefont': case 'bgsound': case 'br': |
|
case 'embed': case 'img': case 'param': case 'spacer': |
|
case 'wbr': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Immediately pop the current node off the stack of open elements. */ |
|
array_pop($this->stack); |
|
break; |
|
|
|
/* A start tag whose tag name is "hr" */ |
|
case 'hr': |
|
/* If the stack of open elements has a p element in scope, |
|
then act as if an end tag with the tag name p had been seen. */ |
|
if($this->elementInScope('p')) { |
|
$this->emitToken(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Immediately pop the current node off the stack of open elements. */ |
|
array_pop($this->stack); |
|
break; |
|
|
|
/* A start tag whose tag name is "image" */ |
|
case 'image': |
|
/* Parse error. Change the token's tag name to "img" and |
|
reprocess it. (Don't ask.) */ |
|
$token['name'] = 'img'; |
|
return $this->inBody($token); |
|
break; |
|
|
|
/* A start tag whose tag name is "input" */ |
|
case 'input': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an input element for the token. */ |
|
$element = $this->insertElement($token, false); |
|
|
|
/* If the form element pointer is not null, then associate the |
|
input element with the form element pointed to by the form |
|
element pointer. */ |
|
$this->form_pointer !== null |
|
? $this->form_pointer->appendChild($element) |
|
: end($this->stack)->appendChild($element); |
|
|
|
/* Pop that input element off the stack of open elements. */ |
|
array_pop($this->stack); |
|
break; |
|
|
|
/* A start tag whose tag name is "isindex" */ |
|
case 'isindex': |
|
/* Parse error. */ |
|
// w/e |
|
|
|
/* If the form element pointer is not null, |
|
then ignore the token. */ |
|
if($this->form_pointer === null) { |
|
/* Act as if a start tag token with the tag name "form" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'body', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
/* Act as if a start tag token with the tag name "hr" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'hr', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
/* Act as if a start tag token with the tag name "p" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'p', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
/* Act as if a start tag token with the tag name "label" |
|
had been seen. */ |
|
$this->inBody(array( |
|
'name' => 'label', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
/* Act as if a stream of character tokens had been seen. */ |
|
$this->insertText('This is a searchable index. '. |
|
'Insert your search keywords here: '); |
|
|
|
/* Act as if a start tag token with the tag name "input" |
|
had been seen, with all the attributes from the "isindex" |
|
token, except with the "name" attribute set to the value |
|
"isindex" (ignoring any explicit "name" attribute). */ |
|
$attr = $token['attr']; |
|
$attr[] = array('name' => 'name', 'value' => 'isindex'); |
|
|
|
$this->inBody(array( |
|
'name' => 'input', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => $attr |
|
)); |
|
|
|
/* Act as if a stream of character tokens had been seen |
|
(see below for what they should say). */ |
|
$this->insertText('This is a searchable index. '. |
|
'Insert your search keywords here: '); |
|
|
|
/* Act as if an end tag token with the tag name "label" |
|
had been seen. */ |
|
$this->inBody(array( |
|
'name' => 'label', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
/* Act as if an end tag token with the tag name "p" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'p', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
/* Act as if a start tag token with the tag name "hr" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'hr', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
/* Act as if an end tag token with the tag name "form" had |
|
been seen. */ |
|
$this->inBody(array( |
|
'name' => 'form', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
break; |
|
|
|
/* A start tag whose tag name is "textarea" */ |
|
case 'textarea': |
|
$this->insertElement($token); |
|
|
|
/* Switch the tokeniser's content model flag to the |
|
RCDATA state. */ |
|
return HTML5::RCDATA; |
|
break; |
|
|
|
/* A start tag whose tag name is one of: "iframe", "noembed", |
|
"noframes" */ |
|
case 'iframe': case 'noembed': case 'noframes': |
|
$this->insertElement($token); |
|
|
|
/* Switch the tokeniser's content model flag to the CDATA state. */ |
|
return HTML5::CDATA; |
|
break; |
|
|
|
/* A start tag whose tag name is "select" */ |
|
case 'select': |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Change the insertion mode to "in select". */ |
|
$this->mode = self::IN_SELECT; |
|
break; |
|
|
|
/* A start or end tag whose tag name is one of: "caption", "col", |
|
"colgroup", "frame", "frameset", "head", "option", "optgroup", |
|
"tbody", "td", "tfoot", "th", "thead", "tr". */ |
|
case 'caption': case 'col': case 'colgroup': case 'frame': |
|
case 'frameset': case 'head': case 'option': case 'optgroup': |
|
case 'tbody': case 'td': case 'tfoot': case 'th': case 'thead': |
|
case 'tr': |
|
// Parse error. Ignore the token. |
|
break; |
|
|
|
/* A start or end tag whose tag name is one of: "event-source", |
|
"section", "nav", "article", "aside", "header", "footer", |
|
"datagrid", "command" */ |
|
case 'event-source': case 'section': case 'nav': case 'article': |
|
case 'aside': case 'header': case 'footer': case 'datagrid': |
|
case 'command': |
|
// Work in progress! |
|
break; |
|
|
|
/* A start tag token not covered by the previous entries */ |
|
default: |
|
/* Reconstruct the active formatting elements, if any. */ |
|
$this->reconstructActiveFormattingElements(); |
|
|
|
$this->insertElement($token); |
|
break; |
|
} |
|
break; |
|
|
|
case HTML5::ENDTAG: |
|
switch($token['name']) { |
|
/* An end tag with the tag name "body" */ |
|
case 'body': |
|
/* If the second element in the stack of open elements is |
|
not a body element, this is a parse error. Ignore the token. |
|
(innerHTML case) */ |
|
if(count($this->stack) < 2 || $this->stack[1]->nodeName !== 'body') { |
|
// Ignore. |
|
|
|
/* If the current node is not the body element, then this |
|
is a parse error. */ |
|
} elseif(end($this->stack)->nodeName !== 'body') { |
|
// Parse error. |
|
} |
|
|
|
/* Change the insertion mode to "after body". */ |
|
$this->mode = self::AFTER_BODY; |
|
break; |
|
|
|
/* An end tag with the tag name "html" */ |
|
case 'html': |
|
/* Act as if an end tag with tag name "body" had been seen, |
|
then, if that token wasn't ignored, reprocess the current |
|
token. */ |
|
$this->inBody(array( |
|
'name' => 'body', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->afterBody($token); |
|
break; |
|
|
|
/* An end tag whose tag name is one of: "address", "blockquote", |
|
"center", "dir", "div", "dl", "fieldset", "listing", "menu", |
|
"ol", "pre", "ul" */ |
|
case 'address': case 'blockquote': case 'center': case 'dir': |
|
case 'div': case 'dl': case 'fieldset': case 'listing': |
|
case 'menu': case 'ol': case 'pre': case 'ul': |
|
/* If the stack of open elements has an element in scope |
|
with the same tag name as that of the token, then generate |
|
implied end tags. */ |
|
if($this->elementInScope($token['name'])) { |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Now, if the current node is not an element with |
|
the same tag name as that of the token, then this |
|
is a parse error. */ |
|
// w/e |
|
|
|
/* If the stack of open elements has an element in |
|
scope with the same tag name as that of the token, |
|
then pop elements from this stack until an element |
|
with that tag name has been popped from the stack. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->stack[$n]->nodeName === $token['name']) { |
|
$n = -1; |
|
} |
|
|
|
array_pop($this->stack); |
|
} |
|
} |
|
break; |
|
|
|
/* An end tag whose tag name is "form" */ |
|
case 'form': |
|
/* If the stack of open elements has an element in scope |
|
with the same tag name as that of the token, then generate |
|
implied end tags. */ |
|
if($this->elementInScope($token['name'])) { |
|
$this->generateImpliedEndTags(); |
|
|
|
} |
|
|
|
if(end($this->stack)->nodeName !== $token['name']) { |
|
/* Now, if the current node is not an element with the |
|
same tag name as that of the token, then this is a parse |
|
error. */ |
|
// w/e |
|
|
|
} else { |
|
/* Otherwise, if the current node is an element with |
|
the same tag name as that of the token pop that element |
|
from the stack. */ |
|
array_pop($this->stack); |
|
} |
|
|
|
/* In any case, set the form element pointer to null. */ |
|
$this->form_pointer = null; |
|
break; |
|
|
|
/* An end tag whose tag name is "p" */ |
|
case 'p': |
|
/* If the stack of open elements has a p element in scope, |
|
then generate implied end tags, except for p elements. */ |
|
if($this->elementInScope('p')) { |
|
$this->generateImpliedEndTags(array('p')); |
|
|
|
/* If the current node is not a p element, then this is |
|
a parse error. */ |
|
// k |
|
|
|
/* If the stack of open elements has a p element in |
|
scope, then pop elements from this stack until the stack |
|
no longer has a p element in scope. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->elementInScope('p')) { |
|
array_pop($this->stack); |
|
|
|
} else { |
|
break; |
|
} |
|
} |
|
} |
|
break; |
|
|
|
/* An end tag whose tag name is "dd", "dt", or "li" */ |
|
case 'dd': case 'dt': case 'li': |
|
/* If the stack of open elements has an element in scope |
|
whose tag name matches the tag name of the token, then |
|
generate implied end tags, except for elements with the |
|
same tag name as the token. */ |
|
if($this->elementInScope($token['name'])) { |
|
$this->generateImpliedEndTags(array($token['name'])); |
|
|
|
/* If the current node is not an element with the same |
|
tag name as the token, then this is a parse error. */ |
|
// w/e |
|
|
|
/* If the stack of open elements has an element in scope |
|
whose tag name matches the tag name of the token, then |
|
pop elements from this stack until an element with that |
|
tag name has been popped from the stack. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->stack[$n]->nodeName === $token['name']) { |
|
$n = -1; |
|
} |
|
|
|
array_pop($this->stack); |
|
} |
|
} |
|
break; |
|
|
|
/* An end tag whose tag name is one of: "h1", "h2", "h3", "h4", |
|
"h5", "h6" */ |
|
case 'h1': case 'h2': case 'h3': case 'h4': case 'h5': case 'h6': |
|
$elements = array('h1', 'h2', 'h3', 'h4', 'h5', 'h6'); |
|
|
|
/* If the stack of open elements has in scope an element whose |
|
tag name is one of "h1", "h2", "h3", "h4", "h5", or "h6", then |
|
generate implied end tags. */ |
|
if($this->elementInScope($elements)) { |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Now, if the current node is not an element with the same |
|
tag name as that of the token, then this is a parse error. */ |
|
// w/e |
|
|
|
/* If the stack of open elements has in scope an element |
|
whose tag name is one of "h1", "h2", "h3", "h4", "h5", or |
|
"h6", then pop elements from the stack until an element |
|
with one of those tag names has been popped from the stack. */ |
|
while($this->elementInScope($elements)) { |
|
array_pop($this->stack); |
|
} |
|
} |
|
break; |
|
|
|
/* An end tag whose tag name is one of: "a", "b", "big", "em", |
|
"font", "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */ |
|
case 'a': case 'b': case 'big': case 'em': case 'font': |
|
case 'i': case 'nobr': case 's': case 'small': case 'strike': |
|
case 'strong': case 'tt': case 'u': |
|
/* 1. Let the formatting element be the last element in |
|
the list of active formatting elements that: |
|
* is between the end of the list and the last scope |
|
marker in the list, if any, or the start of the list |
|
otherwise, and |
|
* has the same tag name as the token. |
|
*/ |
|
while(true) { |
|
for($a = count($this->a_formatting) - 1; $a >= 0; $a--) { |
|
if($this->a_formatting[$a] === self::MARKER) { |
|
break; |
|
|
|
} elseif($this->a_formatting[$a]->tagName === $token['name']) { |
|
$formatting_element = $this->a_formatting[$a]; |
|
$in_stack = in_array($formatting_element, $this->stack, true); |
|
$fe_af_pos = $a; |
|
break; |
|
} |
|
} |
|
|
|
/* If there is no such node, or, if that node is |
|
also in the stack of open elements but the element |
|
is not in scope, then this is a parse error. Abort |
|
these steps. The token is ignored. */ |
|
if(!isset($formatting_element) || ($in_stack && |
|
!$this->elementInScope($token['name']))) { |
|
break; |
|
|
|
/* Otherwise, if there is such a node, but that node |
|
is not in the stack of open elements, then this is a |
|
parse error; remove the element from the list, and |
|
abort these steps. */ |
|
} elseif(isset($formatting_element) && !$in_stack) { |
|
unset($this->a_formatting[$fe_af_pos]); |
|
$this->a_formatting = array_merge($this->a_formatting); |
|
break; |
|
} |
|
|
|
/* 2. Let the furthest block be the topmost node in the |
|
stack of open elements that is lower in the stack |
|
than the formatting element, and is not an element in |
|
the phrasing or formatting categories. There might |
|
not be one. */ |
|
$fe_s_pos = array_search($formatting_element, $this->stack, true); |
|
$length = count($this->stack); |
|
|
|
for($s = $fe_s_pos + 1; $s < $length; $s++) { |
|
$category = $this->getElementCategory($this->stack[$s]->nodeName); |
|
|
|
if($category !== self::PHRASING && $category !== self::FORMATTING) { |
|
$furthest_block = $this->stack[$s]; |
|
} |
|
} |
|
|
|
/* 3. If there is no furthest block, then the UA must |
|
skip the subsequent steps and instead just pop all |
|
the nodes from the bottom of the stack of open |
|
elements, from the current node up to the formatting |
|
element, and remove the formatting element from the |
|
list of active formatting elements. */ |
|
if(!isset($furthest_block)) { |
|
for($n = $length - 1; $n >= $fe_s_pos; $n--) { |
|
array_pop($this->stack); |
|
} |
|
|
|
unset($this->a_formatting[$fe_af_pos]); |
|
$this->a_formatting = array_merge($this->a_formatting); |
|
break; |
|
} |
|
|
|
/* 4. Let the common ancestor be the element |
|
immediately above the formatting element in the stack |
|
of open elements. */ |
|
$common_ancestor = $this->stack[$fe_s_pos - 1]; |
|
|
|
/* 5. If the furthest block has a parent node, then |
|
remove the furthest block from its parent node. */ |
|
if($furthest_block->parentNode !== null) { |
|
$furthest_block->parentNode->removeChild($furthest_block); |
|
} |
|
|
|
/* 6. Let a bookmark note the position of the |
|
formatting element in the list of active formatting |
|
elements relative to the elements on either side |
|
of it in the list. */ |
|
$bookmark = $fe_af_pos; |
|
|
|
/* 7. Let node and last node be the furthest block. |
|
Follow these steps: */ |
|
$node = $furthest_block; |
|
$last_node = $furthest_block; |
|
|
|
while(true) { |
|
for($n = array_search($node, $this->stack, true) - 1; $n >= 0; $n--) { |
|
/* 7.1 Let node be the element immediately |
|
prior to node in the stack of open elements. */ |
|
$node = $this->stack[$n]; |
|
|
|
/* 7.2 If node is not in the list of active |
|
formatting elements, then remove node from |
|
the stack of open elements and then go back |
|
to step 1. */ |
|
if(!in_array($node, $this->a_formatting, true)) { |
|
unset($this->stack[$n]); |
|
$this->stack = array_merge($this->stack); |
|
|
|
} else { |
|
break; |
|
} |
|
} |
|
|
|
/* 7.3 Otherwise, if node is the formatting |
|
element, then go to the next step in the overall |
|
algorithm. */ |
|
if($node === $formatting_element) { |
|
break; |
|
|
|
/* 7.4 Otherwise, if last node is the furthest |
|
block, then move the aforementioned bookmark to |
|
be immediately after the node in the list of |
|
active formatting elements. */ |
|
} elseif($last_node === $furthest_block) { |
|
$bookmark = array_search($node, $this->a_formatting, true) + 1; |
|
} |
|
|
|
/* 7.5 If node has any children, perform a |
|
shallow clone of node, replace the entry for |
|
node in the list of active formatting elements |
|
with an entry for the clone, replace the entry |
|
for node in the stack of open elements with an |
|
entry for the clone, and let node be the clone. */ |
|
if($node->hasChildNodes()) { |
|
$clone = $node->cloneNode(); |
|
$s_pos = array_search($node, $this->stack, true); |
|
$a_pos = array_search($node, $this->a_formatting, true); |
|
|
|
$this->stack[$s_pos] = $clone; |
|
$this->a_formatting[$a_pos] = $clone; |
|
$node = $clone; |
|
} |
|
|
|
/* 7.6 Insert last node into node, first removing |
|
it from its previous parent node if any. */ |
|
if($last_node->parentNode !== null) { |
|
$last_node->parentNode->removeChild($last_node); |
|
} |
|
|
|
$node->appendChild($last_node); |
|
|
|
/* 7.7 Let last node be node. */ |
|
$last_node = $node; |
|
} |
|
|
|
/* 8. Insert whatever last node ended up being in |
|
the previous step into the common ancestor node, |
|
first removing it from its previous parent node if |
|
any. */ |
|
if($last_node->parentNode !== null) { |
|
$last_node->parentNode->removeChild($last_node); |
|
} |
|
|
|
$common_ancestor->appendChild($last_node); |
|
|
|
/* 9. Perform a shallow clone of the formatting |
|
element. */ |
|
$clone = $formatting_element->cloneNode(); |
|
|
|
/* 10. Take all of the child nodes of the furthest |
|
block and append them to the clone created in the |
|
last step. */ |
|
while($furthest_block->hasChildNodes()) { |
|
$child = $furthest_block->firstChild; |
|
$furthest_block->removeChild($child); |
|
$clone->appendChild($child); |
|
} |
|
|
|
/* 11. Append that clone to the furthest block. */ |
|
$furthest_block->appendChild($clone); |
|
|
|
/* 12. Remove the formatting element from the list |
|
of active formatting elements, and insert the clone |
|
into the list of active formatting elements at the |
|
position of the aforementioned bookmark. */ |
|
$fe_af_pos = array_search($formatting_element, $this->a_formatting, true); |
|
unset($this->a_formatting[$fe_af_pos]); |
|
$this->a_formatting = array_merge($this->a_formatting); |
|
|
|
$af_part1 = array_slice($this->a_formatting, 0, $bookmark - 1); |
|
$af_part2 = array_slice($this->a_formatting, $bookmark, count($this->a_formatting)); |
|
$this->a_formatting = array_merge($af_part1, array($clone), $af_part2); |
|
|
|
/* 13. Remove the formatting element from the stack |
|
of open elements, and insert the clone into the stack |
|
of open elements immediately after (i.e. in a more |
|
deeply nested position than) the position of the |
|
furthest block in that stack. */ |
|
$fe_s_pos = array_search($formatting_element, $this->stack, true); |
|
$fb_s_pos = array_search($furthest_block, $this->stack, true); |
|
unset($this->stack[$fe_s_pos]); |
|
|
|
$s_part1 = array_slice($this->stack, 0, $fb_s_pos); |
|
$s_part2 = array_slice($this->stack, $fb_s_pos + 1, count($this->stack)); |
|
$this->stack = array_merge($s_part1, array($clone), $s_part2); |
|
|
|
/* 14. Jump back to step 1 in this series of steps. */ |
|
unset($formatting_element, $fe_af_pos, $fe_s_pos, $furthest_block); |
|
} |
|
break; |
|
|
|
/* An end tag token whose tag name is one of: "button", |
|
"marquee", "object" */ |
|
case 'button': case 'marquee': case 'object': |
|
/* If the stack of open elements has an element in scope whose |
|
tag name matches the tag name of the token, then generate implied |
|
tags. */ |
|
if($this->elementInScope($token['name'])) { |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Now, if the current node is not an element with the same |
|
tag name as the token, then this is a parse error. */ |
|
// k |
|
|
|
/* Now, if the stack of open elements has an element in scope |
|
whose tag name matches the tag name of the token, then pop |
|
elements from the stack until that element has been popped from |
|
the stack, and clear the list of active formatting elements up |
|
to the last marker. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->stack[$n]->nodeName === $token['name']) { |
|
$n = -1; |
|
} |
|
|
|
array_pop($this->stack); |
|
} |
|
|
|
$marker = end(array_keys($this->a_formatting, self::MARKER, true)); |
|
|
|
for($n = count($this->a_formatting) - 1; $n > $marker; $n--) { |
|
array_pop($this->a_formatting); |
|
} |
|
} |
|
break; |
|
|
|
/* Or an end tag whose tag name is one of: "area", "basefont", |
|
"bgsound", "br", "embed", "hr", "iframe", "image", "img", |
|
"input", "isindex", "noembed", "noframes", "param", "select", |
|
"spacer", "table", "textarea", "wbr" */ |
|
case 'area': case 'basefont': case 'bgsound': case 'br': |
|
case 'embed': case 'hr': case 'iframe': case 'image': |
|
case 'img': case 'input': case 'isindex': case 'noembed': |
|
case 'noframes': case 'param': case 'select': case 'spacer': |
|
case 'table': case 'textarea': case 'wbr': |
|
// Parse error. Ignore the token. |
|
break; |
|
|
|
/* An end tag token not covered by the previous entries */ |
|
default: |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
/* Initialise node to be the current node (the bottommost |
|
node of the stack). */ |
|
$node = end($this->stack); |
|
|
|
/* If node has the same tag name as the end tag token, |
|
then: */ |
|
if($token['name'] === $node->nodeName) { |
|
/* Generate implied end tags. */ |
|
$this->generateImpliedEndTags(); |
|
|
|
/* If the tag name of the end tag token does not |
|
match the tag name of the current node, this is a |
|
parse error. */ |
|
// k |
|
|
|
/* Pop all the nodes from the current node up to |
|
node, including node, then stop this algorithm. */ |
|
for($x = count($this->stack) - $n; $x >= $n; $x--) { |
|
array_pop($this->stack); |
|
} |
|
|
|
} else { |
|
$category = $this->getElementCategory($node); |
|
|
|
if($category !== self::SPECIAL && $category !== self::SCOPING) { |
|
/* Otherwise, if node is in neither the formatting |
|
category nor the phrasing category, then this is a |
|
parse error. Stop this algorithm. The end tag token |
|
is ignored. */ |
|
return false; |
|
} |
|
} |
|
} |
|
break; |
|
} |
|
break; |
|
} |
|
} |
|
|
|
private function inTable($token) |
|
{ |
|
$clear = array('html', 'table'); |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$text = $this->dom->createTextNode($token['data']); |
|
end($this->stack)->appendChild($text); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$comment = $this->dom->createComment($token['data']); |
|
end($this->stack)->appendChild($comment); |
|
|
|
/* A start tag whose tag name is "caption" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'caption') { |
|
/* Clear the stack back to a table context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Insert a marker at the end of the list of active |
|
formatting elements. */ |
|
$this->a_formatting[] = self::MARKER; |
|
|
|
/* Insert an HTML element for the token, then switch the |
|
insertion mode to "in caption". */ |
|
$this->insertElement($token); |
|
$this->mode = self::IN_CAPTION; |
|
|
|
/* A start tag whose tag name is "colgroup" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'colgroup') { |
|
/* Clear the stack back to a table context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Insert an HTML element for the token, then switch the |
|
insertion mode to "in column group". */ |
|
$this->insertElement($token); |
|
$this->mode = self::IN_CGROUP; |
|
|
|
/* A start tag whose tag name is "col" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'col') { |
|
$this->inTable(array( |
|
'name' => 'colgroup', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
$this->inColumnGroup($token); |
|
|
|
/* A start tag whose tag name is one of: "tbody", "tfoot", "thead" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('tbody', 'tfoot', 'thead'))) { |
|
/* Clear the stack back to a table context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Insert an HTML element for the token, then switch the insertion |
|
mode to "in table body". */ |
|
$this->insertElement($token); |
|
$this->mode = self::IN_TBODY; |
|
|
|
/* A start tag whose tag name is one of: "td", "th", "tr" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
in_array($token['name'], array('td', 'th', 'tr'))) { |
|
/* Act as if a start tag token with the tag name "tbody" had been |
|
seen, then reprocess the current token. */ |
|
$this->inTable(array( |
|
'name' => 'tbody', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
return $this->inTableBody($token); |
|
|
|
/* A start tag whose tag name is "table" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'table') { |
|
/* Parse error. Act as if an end tag token with the tag name "table" |
|
had been seen, then, if that token wasn't ignored, reprocess the |
|
current token. */ |
|
$this->inTable(array( |
|
'name' => 'table', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->mainPhase($token); |
|
|
|
/* An end tag whose tag name is "table" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'table') { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. (innerHTML case) */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
return false; |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Generate implied end tags. */ |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Now, if the current node is not a table element, then this |
|
is a parse error. */ |
|
// w/e |
|
|
|
/* Pop elements from this stack until a table element has been |
|
popped from the stack. */ |
|
while(true) { |
|
$current = end($this->stack)->nodeName; |
|
array_pop($this->stack); |
|
|
|
if($current === 'table') { |
|
break; |
|
} |
|
} |
|
|
|
/* Reset the insertion mode appropriately. */ |
|
$this->resetInsertionMode(); |
|
} |
|
|
|
/* An end tag whose tag name is one of: "body", "caption", "col", |
|
"colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('body', 'caption', 'col', 'colgroup', 'html', 'tbody', 'td', |
|
'tfoot', 'th', 'thead', 'tr'))) { |
|
// Parse error. Ignore the token. |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Parse error. Process the token as if the insertion mode was "in |
|
body", with the following exception: */ |
|
|
|
/* If the current node is a table, tbody, tfoot, thead, or tr |
|
element, then, whenever a node would be inserted into the current |
|
node, it must instead be inserted into the foster parent element. */ |
|
if(in_array(end($this->stack)->nodeName, |
|
array('table', 'tbody', 'tfoot', 'thead', 'tr'))) { |
|
/* The foster parent element is the parent element of the last |
|
table element in the stack of open elements, if there is a |
|
table element and it has such a parent element. If there is no |
|
table element in the stack of open elements (innerHTML case), |
|
then the foster parent element is the first element in the |
|
stack of open elements (the html element). Otherwise, if there |
|
is a table element in the stack of open elements, but the last |
|
table element in the stack of open elements has no parent, or |
|
its parent node is not an element, then the foster parent |
|
element is the element before the last table element in the |
|
stack of open elements. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->stack[$n]->nodeName === 'table') { |
|
$table = $this->stack[$n]; |
|
break; |
|
} |
|
} |
|
|
|
if(isset($table) && $table->parentNode !== null) { |
|
$this->foster_parent = $table->parentNode; |
|
|
|
} elseif(!isset($table)) { |
|
$this->foster_parent = $this->stack[0]; |
|
|
|
} elseif(isset($table) && ($table->parentNode === null || |
|
$table->parentNode->nodeType !== XML_ELEMENT_NODE)) { |
|
$this->foster_parent = $this->stack[$n - 1]; |
|
} |
|
} |
|
|
|
$this->inBody($token); |
|
} |
|
} |
|
|
|
private function inCaption($token) |
|
{ |
|
/* An end tag whose tag name is "caption" */ |
|
if($token['type'] === HTML5::ENDTAG && $token['name'] === 'caption') { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. (innerHTML case) */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Generate implied end tags. */ |
|
$this->generateImpliedEndTags(); |
|
|
|
/* Now, if the current node is not a caption element, then this |
|
is a parse error. */ |
|
// w/e |
|
|
|
/* Pop elements from this stack until a caption element has |
|
been popped from the stack. */ |
|
while(true) { |
|
$node = end($this->stack)->nodeName; |
|
array_pop($this->stack); |
|
|
|
if($node === 'caption') { |
|
break; |
|
} |
|
} |
|
|
|
/* Clear the list of active formatting elements up to the last |
|
marker. */ |
|
$this->clearTheActiveFormattingElementsUpToTheLastMarker(); |
|
|
|
/* Switch the insertion mode to "in table". */ |
|
$this->mode = self::IN_TABLE; |
|
} |
|
|
|
/* A start tag whose tag name is one of: "caption", "col", "colgroup", |
|
"tbody", "td", "tfoot", "th", "thead", "tr", or an end tag whose tag |
|
name is "table" */ |
|
} elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th', |
|
'thead', 'tr'))) || ($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'table')) { |
|
/* Parse error. Act as if an end tag with the tag name "caption" |
|
had been seen, then, if that token wasn't ignored, reprocess the |
|
current token. */ |
|
$this->inCaption(array( |
|
'name' => 'caption', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->inTable($token); |
|
|
|
/* An end tag whose tag name is one of: "body", "col", "colgroup", |
|
"html", "tbody", "td", "tfoot", "th", "thead", "tr" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('body', 'col', 'colgroup', 'html', 'tbody', 'tfoot', 'th', |
|
'thead', 'tr'))) { |
|
// Parse error. Ignore the token. |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Process the token as if the insertion mode was "in body". */ |
|
$this->inBody($token); |
|
} |
|
} |
|
|
|
private function inColumnGroup($token) |
|
{ |
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$text = $this->dom->createTextNode($token['data']); |
|
end($this->stack)->appendChild($text); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$comment = $this->dom->createComment($token['data']); |
|
end($this->stack)->appendChild($comment); |
|
|
|
/* A start tag whose tag name is "col" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && $token['name'] === 'col') { |
|
/* Insert a col element for the token. Immediately pop the current |
|
node off the stack of open elements. */ |
|
$this->insertElement($token); |
|
array_pop($this->stack); |
|
|
|
/* An end tag whose tag name is "colgroup" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'colgroup') { |
|
/* If the current node is the root html element, then this is a |
|
parse error, ignore the token. (innerHTML case) */ |
|
if(end($this->stack)->nodeName === 'html') { |
|
// Ignore |
|
|
|
/* Otherwise, pop the current node (which will be a colgroup |
|
element) from the stack of open elements. Switch the insertion |
|
mode to "in table". */ |
|
} else { |
|
array_pop($this->stack); |
|
$this->mode = self::IN_TABLE; |
|
} |
|
|
|
/* An end tag whose tag name is "col" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'col') { |
|
/* Parse error. Ignore the token. */ |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Act as if an end tag with the tag name "colgroup" had been seen, |
|
and then, if that token wasn't ignored, reprocess the current token. */ |
|
$this->inColumnGroup(array( |
|
'name' => 'colgroup', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->inTable($token); |
|
} |
|
} |
|
|
|
private function inTableBody($token) |
|
{ |
|
$clear = array('tbody', 'tfoot', 'thead', 'html'); |
|
|
|
/* A start tag whose tag name is "tr" */ |
|
if($token['type'] === HTML5::STARTTAG && $token['name'] === 'tr') { |
|
/* Clear the stack back to a table body context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Insert a tr element for the token, then switch the insertion |
|
mode to "in row". */ |
|
$this->insertElement($token); |
|
$this->mode = self::IN_ROW; |
|
|
|
/* A start tag whose tag name is one of: "th", "td" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
($token['name'] === 'th' || $token['name'] === 'td')) { |
|
/* Parse error. Act as if a start tag with the tag name "tr" had |
|
been seen, then reprocess the current token. */ |
|
$this->inTableBody(array( |
|
'name' => 'tr', |
|
'type' => HTML5::STARTTAG, |
|
'attr' => array() |
|
)); |
|
|
|
return $this->inRow($token); |
|
|
|
/* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
in_array($token['name'], array('tbody', 'tfoot', 'thead'))) { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Clear the stack back to a table body context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Pop the current node from the stack of open elements. Switch |
|
the insertion mode to "in table". */ |
|
array_pop($this->stack); |
|
$this->mode = self::IN_TABLE; |
|
} |
|
|
|
/* A start tag whose tag name is one of: "caption", "col", "colgroup", |
|
"tbody", "tfoot", "thead", or an end tag whose tag name is "table" */ |
|
} elseif(($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('caption', 'col', 'colgroup', 'tbody', 'tfoor', 'thead'))) || |
|
($token['type'] === HTML5::STARTTAG && $token['name'] === 'table')) { |
|
/* If the stack of open elements does not have a tbody, thead, or |
|
tfoot element in table scope, this is a parse error. Ignore the |
|
token. (innerHTML case) */ |
|
if(!$this->elementInScope(array('tbody', 'thead', 'tfoot'), true)) { |
|
// Ignore. |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Clear the stack back to a table body context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Act as if an end tag with the same tag name as the current |
|
node ("tbody", "tfoot", or "thead") had been seen, then |
|
reprocess the current token. */ |
|
$this->inTableBody(array( |
|
'name' => end($this->stack)->nodeName, |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->mainPhase($token); |
|
} |
|
|
|
/* An end tag whose tag name is one of: "body", "caption", "col", |
|
"colgroup", "html", "td", "th", "tr" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) { |
|
/* Parse error. Ignore the token. */ |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Process the token as if the insertion mode was "in table". */ |
|
$this->inTable($token); |
|
} |
|
} |
|
|
|
private function inRow($token) |
|
{ |
|
$clear = array('tr', 'html'); |
|
|
|
/* A start tag whose tag name is one of: "th", "td" */ |
|
if($token['type'] === HTML5::STARTTAG && |
|
($token['name'] === 'th' || $token['name'] === 'td')) { |
|
/* Clear the stack back to a table row context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Insert an HTML element for the token, then switch the insertion |
|
mode to "in cell". */ |
|
$this->insertElement($token); |
|
$this->mode = self::IN_CELL; |
|
|
|
/* Insert a marker at the end of the list of active formatting |
|
elements. */ |
|
$this->a_formatting[] = self::MARKER; |
|
|
|
/* An end tag whose tag name is "tr" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'tr') { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. (innerHTML case) */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore. |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Clear the stack back to a table row context. */ |
|
$this->clearStackToTableContext($clear); |
|
|
|
/* Pop the current node (which will be a tr element) from the |
|
stack of open elements. Switch the insertion mode to "in table |
|
body". */ |
|
array_pop($this->stack); |
|
$this->mode = self::IN_TBODY; |
|
} |
|
|
|
/* A start tag whose tag name is one of: "caption", "col", "colgroup", |
|
"tbody", "tfoot", "thead", "tr" or an end tag whose tag name is "table" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('caption', 'col', 'colgroup', 'tbody', 'tfoot', 'thead', 'tr'))) { |
|
/* Act as if an end tag with the tag name "tr" had been seen, then, |
|
if that token wasn't ignored, reprocess the current token. */ |
|
$this->inRow(array( |
|
'name' => 'tr', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->inCell($token); |
|
|
|
/* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
in_array($token['name'], array('tbody', 'tfoot', 'thead'))) { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore. |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Otherwise, act as if an end tag with the tag name "tr" had |
|
been seen, then reprocess the current token. */ |
|
$this->inRow(array( |
|
'name' => 'tr', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
return $this->inCell($token); |
|
} |
|
|
|
/* An end tag whose tag name is one of: "body", "caption", "col", |
|
"colgroup", "html", "td", "th" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) { |
|
/* Parse error. Ignore the token. */ |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Process the token as if the insertion mode was "in table". */ |
|
$this->inTable($token); |
|
} |
|
} |
|
|
|
private function inCell($token) |
|
{ |
|
/* An end tag whose tag name is one of: "td", "th" */ |
|
if($token['type'] === HTML5::ENDTAG && |
|
($token['name'] === 'td' || $token['name'] === 'th')) { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as that of the token, then this is a |
|
parse error and the token must be ignored. */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore. |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Generate implied end tags, except for elements with the same |
|
tag name as the token. */ |
|
$this->generateImpliedEndTags(array($token['name'])); |
|
|
|
/* Now, if the current node is not an element with the same tag |
|
name as the token, then this is a parse error. */ |
|
// k |
|
|
|
/* Pop elements from this stack until an element with the same |
|
tag name as the token has been popped from the stack. */ |
|
while(true) { |
|
$node = end($this->stack)->nodeName; |
|
array_pop($this->stack); |
|
|
|
if($node === $token['name']) { |
|
break; |
|
} |
|
} |
|
|
|
/* Clear the list of active formatting elements up to the last |
|
marker. */ |
|
$this->clearTheActiveFormattingElementsUpToTheLastMarker(); |
|
|
|
/* Switch the insertion mode to "in row". (The current node |
|
will be a tr element at this point.) */ |
|
$this->mode = self::IN_ROW; |
|
} |
|
|
|
/* A start tag whose tag name is one of: "caption", "col", "colgroup", |
|
"tbody", "td", "tfoot", "th", "thead", "tr" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th', |
|
'thead', 'tr'))) { |
|
/* If the stack of open elements does not have a td or th element |
|
in table scope, then this is a parse error; ignore the token. |
|
(innerHTML case) */ |
|
if(!$this->elementInScope(array('td', 'th'), true)) { |
|
// Ignore. |
|
|
|
/* Otherwise, close the cell (see below) and reprocess the current |
|
token. */ |
|
} else { |
|
$this->closeCell(); |
|
return $this->inRow($token); |
|
} |
|
|
|
/* A start tag whose tag name is one of: "caption", "col", "colgroup", |
|
"tbody", "td", "tfoot", "th", "thead", "tr" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && in_array($token['name'], |
|
array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th', |
|
'thead', 'tr'))) { |
|
/* If the stack of open elements does not have a td or th element |
|
in table scope, then this is a parse error; ignore the token. |
|
(innerHTML case) */ |
|
if(!$this->elementInScope(array('td', 'th'), true)) { |
|
// Ignore. |
|
|
|
/* Otherwise, close the cell (see below) and reprocess the current |
|
token. */ |
|
} else { |
|
$this->closeCell(); |
|
return $this->inRow($token); |
|
} |
|
|
|
/* An end tag whose tag name is one of: "body", "caption", "col", |
|
"colgroup", "html" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('body', 'caption', 'col', 'colgroup', 'html'))) { |
|
/* Parse error. Ignore the token. */ |
|
|
|
/* An end tag whose tag name is one of: "table", "tbody", "tfoot", |
|
"thead", "tr" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && in_array($token['name'], |
|
array('table', 'tbody', 'tfoot', 'thead', 'tr'))) { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as that of the token (which can only |
|
happen for "tbody", "tfoot" and "thead", or, in the innerHTML case), |
|
then this is a parse error and the token must be ignored. */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// Ignore. |
|
|
|
/* Otherwise, close the cell (see below) and reprocess the current |
|
token. */ |
|
} else { |
|
$this->closeCell(); |
|
return $this->inRow($token); |
|
} |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Process the token as if the insertion mode was "in body". */ |
|
$this->inBody($token); |
|
} |
|
} |
|
|
|
private function inSelect($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token */ |
|
if($token['type'] === HTML5::CHARACTR) { |
|
/* Append the token's character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
/* A start tag token whose tag name is "option" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'option') { |
|
/* If the current node is an option element, act as if an end tag |
|
with the tag name "option" had been seen. */ |
|
if(end($this->stack)->nodeName === 'option') { |
|
$this->inSelect(array( |
|
'name' => 'option', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* A start tag token whose tag name is "optgroup" */ |
|
} elseif($token['type'] === HTML5::STARTTAG && |
|
$token['name'] === 'optgroup') { |
|
/* If the current node is an option element, act as if an end tag |
|
with the tag name "option" had been seen. */ |
|
if(end($this->stack)->nodeName === 'option') { |
|
$this->inSelect(array( |
|
'name' => 'option', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* If the current node is an optgroup element, act as if an end tag |
|
with the tag name "optgroup" had been seen. */ |
|
if(end($this->stack)->nodeName === 'optgroup') { |
|
$this->inSelect(array( |
|
'name' => 'optgroup', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* An end tag token whose tag name is "optgroup" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'optgroup') { |
|
/* First, if the current node is an option element, and the node |
|
immediately before it in the stack of open elements is an optgroup |
|
element, then act as if an end tag with the tag name "option" had |
|
been seen. */ |
|
$elements_in_stack = count($this->stack); |
|
|
|
if($this->stack[$elements_in_stack - 1]->nodeName === 'option' && |
|
$this->stack[$elements_in_stack - 2]->nodeName === 'optgroup') { |
|
$this->inSelect(array( |
|
'name' => 'option', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
} |
|
|
|
/* If the current node is an optgroup element, then pop that node |
|
from the stack of open elements. Otherwise, this is a parse error, |
|
ignore the token. */ |
|
if($this->stack[$elements_in_stack - 1] === 'optgroup') { |
|
array_pop($this->stack); |
|
} |
|
|
|
/* An end tag token whose tag name is "option" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'option') { |
|
/* If the current node is an option element, then pop that node |
|
from the stack of open elements. Otherwise, this is a parse error, |
|
ignore the token. */ |
|
if(end($this->stack)->nodeName === 'option') { |
|
array_pop($this->stack); |
|
} |
|
|
|
/* An end tag whose tag name is "select" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && |
|
$token['name'] === 'select') { |
|
/* If the stack of open elements does not have an element in table |
|
scope with the same tag name as the token, this is a parse error. |
|
Ignore the token. (innerHTML case) */ |
|
if(!$this->elementInScope($token['name'], true)) { |
|
// w/e |
|
|
|
/* Otherwise: */ |
|
} else { |
|
/* Pop elements from the stack of open elements until a select |
|
element has been popped from the stack. */ |
|
while(true) { |
|
$current = end($this->stack)->nodeName; |
|
array_pop($this->stack); |
|
|
|
if($current === 'select') { |
|
break; |
|
} |
|
} |
|
|
|
/* Reset the insertion mode appropriately. */ |
|
$this->resetInsertionMode(); |
|
} |
|
|
|
/* A start tag whose tag name is "select" */ |
|
} elseif($token['name'] === 'select' && |
|
$token['type'] === HTML5::STARTTAG) { |
|
/* Parse error. Act as if the token had been an end tag with the |
|
tag name "select" instead. */ |
|
$this->inSelect(array( |
|
'name' => 'select', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
/* An end tag whose tag name is one of: "caption", "table", "tbody", |
|
"tfoot", "thead", "tr", "td", "th" */ |
|
} elseif(in_array($token['name'], array('caption', 'table', 'tbody', |
|
'tfoot', 'thead', 'tr', 'td', 'th')) && $token['type'] === HTML5::ENDTAG) { |
|
/* Parse error. */ |
|
// w/e |
|
|
|
/* If the stack of open elements has an element in table scope with |
|
the same tag name as that of the token, then act as if an end tag |
|
with the tag name "select" had been seen, and reprocess the token. |
|
Otherwise, ignore the token. */ |
|
if($this->elementInScope($token['name'], true)) { |
|
$this->inSelect(array( |
|
'name' => 'select', |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
$this->mainPhase($token); |
|
} |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Parse error. Ignore the token. */ |
|
} |
|
} |
|
|
|
private function afterBody($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Process the token as it would be processed if the insertion mode |
|
was "in body". */ |
|
$this->inBody($token); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the first element in the stack of open |
|
elements (the html element), with the data attribute set to the |
|
data given in the comment token. */ |
|
$comment = $this->dom->createComment($token['data']); |
|
$this->stack[0]->appendChild($comment); |
|
|
|
/* An end tag with the tag name "html" */ |
|
} elseif($token['type'] === HTML5::ENDTAG && $token['name'] === 'html') { |
|
/* If the parser was originally created in order to handle the |
|
setting of an element's innerHTML attribute, this is a parse error; |
|
ignore the token. (The element will be an html element in this |
|
case.) (innerHTML case) */ |
|
|
|
/* Otherwise, switch to the trailing end phase. */ |
|
$this->phase = self::END_PHASE; |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Parse error. Set the insertion mode to "in body" and reprocess |
|
the token. */ |
|
$this->mode = self::IN_BODY; |
|
return $this->inBody($token); |
|
} |
|
} |
|
|
|
private function inFrameset($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
/* A start tag with the tag name "frameset" */ |
|
} elseif($token['name'] === 'frameset' && |
|
$token['type'] === HTML5::STARTTAG) { |
|
$this->insertElement($token); |
|
|
|
/* An end tag with the tag name "frameset" */ |
|
} elseif($token['name'] === 'frameset' && |
|
$token['type'] === HTML5::ENDTAG) { |
|
/* If the current node is the root html element, then this is a |
|
parse error; ignore the token. (innerHTML case) */ |
|
if(end($this->stack)->nodeName === 'html') { |
|
// Ignore |
|
|
|
} else { |
|
/* Otherwise, pop the current node from the stack of open |
|
elements. */ |
|
array_pop($this->stack); |
|
|
|
/* If the parser was not originally created in order to handle |
|
the setting of an element's innerHTML attribute (innerHTML case), |
|
and the current node is no longer a frameset element, then change |
|
the insertion mode to "after frameset". */ |
|
$this->mode = self::AFTR_FRAME; |
|
} |
|
|
|
/* A start tag with the tag name "frame" */ |
|
} elseif($token['name'] === 'frame' && |
|
$token['type'] === HTML5::STARTTAG) { |
|
/* Insert an HTML element for the token. */ |
|
$this->insertElement($token); |
|
|
|
/* Immediately pop the current node off the stack of open elements. */ |
|
array_pop($this->stack); |
|
|
|
/* A start tag with the tag name "noframes" */ |
|
} elseif($token['name'] === 'noframes' && |
|
$token['type'] === HTML5::STARTTAG) { |
|
/* Process the token as if the insertion mode had been "in body". */ |
|
$this->inBody($token); |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Parse error. Ignore the token. */ |
|
} |
|
} |
|
|
|
private function afterFrameset($token) |
|
{ |
|
/* Handle the token as follows: */ |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ |
|
if($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Append the character to the current node. */ |
|
$this->insertText($token['data']); |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the current node with the data |
|
attribute set to the data given in the comment token. */ |
|
$this->insertComment($token['data']); |
|
|
|
/* An end tag with the tag name "html" */ |
|
} elseif($token['name'] === 'html' && |
|
$token['type'] === HTML5::ENDTAG) { |
|
/* Switch to the trailing end phase. */ |
|
$this->phase = self::END_PHASE; |
|
|
|
/* A start tag with the tag name "noframes" */ |
|
} elseif($token['name'] === 'noframes' && |
|
$token['type'] === HTML5::STARTTAG) { |
|
/* Process the token as if the insertion mode had been "in body". */ |
|
$this->inBody($token); |
|
|
|
/* Anything else */ |
|
} else { |
|
/* Parse error. Ignore the token. */ |
|
} |
|
} |
|
|
|
private function trailingEndPhase($token) |
|
{ |
|
/* After the main phase, as each token is emitted from the tokenisation |
|
stage, it must be processed as described in this section. */ |
|
|
|
/* A DOCTYPE token */ |
|
if($token['type'] === HTML5::DOCTYPE) { |
|
// Parse error. Ignore the token. |
|
|
|
/* A comment token */ |
|
} elseif($token['type'] === HTML5::COMMENT) { |
|
/* Append a Comment node to the Document object with the data |
|
attribute set to the data given in the comment token. */ |
|
$comment = $this->dom->createComment($token['data']); |
|
$this->dom->appendChild($comment); |
|
|
|
/* A character token that is one of one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE */ |
|
} elseif($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) { |
|
/* Process the token as it would be processed in the main phase. */ |
|
$this->mainPhase($token); |
|
|
|
/* A character token that is not one of U+0009 CHARACTER TABULATION, |
|
U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), |
|
or U+0020 SPACE. Or a start tag token. Or an end tag token. */ |
|
} elseif(($token['type'] === HTML5::CHARACTR && |
|
preg_match('/^[\t\n\x0b\x0c ]+$/', $token['data'])) || |
|
$token['type'] === HTML5::STARTTAG || $token['type'] === HTML5::ENDTAG) { |
|
/* Parse error. Switch back to the main phase and reprocess the |
|
token. */ |
|
$this->phase = self::MAIN_PHASE; |
|
return $this->mainPhase($token); |
|
|
|
/* An end-of-file token */ |
|
} elseif($token['type'] === HTML5::EOF) { |
|
/* OMG DONE!! */ |
|
} |
|
} |
|
|
|
private function insertElement($token, $append = true) |
|
{ |
|
$el = $this->dom->createElement($token['name']); |
|
|
|
foreach($token['attr'] as $attr) { |
|
if(!$el->hasAttribute($attr['name'])) { |
|
$el->setAttribute($attr['name'], $attr['value']); |
|
} |
|
} |
|
|
|
$this->appendToRealParent($el); |
|
$this->stack[] = $el; |
|
|
|
return $el; |
|
} |
|
|
|
private function insertText($data) |
|
{ |
|
$text = $this->dom->createTextNode($data); |
|
$this->appendToRealParent($text); |
|
} |
|
|
|
private function insertComment($data) |
|
{ |
|
$comment = $this->dom->createComment($data); |
|
$this->appendToRealParent($comment); |
|
} |
|
|
|
private function appendToRealParent($node) |
|
{ |
|
if($this->foster_parent === null) { |
|
end($this->stack)->appendChild($node); |
|
|
|
} elseif($this->foster_parent !== null) { |
|
/* If the foster parent element is the parent element of the |
|
last table element in the stack of open elements, then the new |
|
node must be inserted immediately before the last table element |
|
in the stack of open elements in the foster parent element; |
|
otherwise, the new node must be appended to the foster parent |
|
element. */ |
|
for($n = count($this->stack) - 1; $n >= 0; $n--) { |
|
if($this->stack[$n]->nodeName === 'table' && |
|
$this->stack[$n]->parentNode !== null) { |
|
$table = $this->stack[$n]; |
|
break; |
|
} |
|
} |
|
|
|
if(isset($table) && $this->foster_parent->isSameNode($table->parentNode)) |
|
$this->foster_parent->insertBefore($node, $table); |
|
else |
|
$this->foster_parent->appendChild($node); |
|
|
|
$this->foster_parent = null; |
|
} |
|
} |
|
|
|
private function elementInScope($el, $table = false) |
|
{ |
|
if(is_array($el)) { |
|
foreach($el as $element) { |
|
if($this->elementInScope($element, $table)) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
$leng = count($this->stack); |
|
|
|
for($n = 0; $n < $leng; $n++) { |
|
/* 1. Initialise node to be the current node (the bottommost node of |
|
the stack). */ |
|
$node = $this->stack[$leng - 1 - $n]; |
|
|
|
if($node->tagName === $el) { |
|
/* 2. If node is the target node, terminate in a match state. */ |
|
return true; |
|
|
|
} elseif($node->tagName === 'table') { |
|
/* 3. Otherwise, if node is a table element, terminate in a failure |
|
state. */ |
|
return false; |
|
|
|
} elseif($table === true && in_array($node->tagName, array('caption', 'td', |
|
'th', 'button', 'marquee', 'object'))) { |
|
/* 4. Otherwise, if the algorithm is the "has an element in scope" |
|
variant (rather than the "has an element in table scope" variant), |
|
and node is one of the following, terminate in a failure state. */ |
|
return false; |
|
|
|
} elseif($node === $node->ownerDocument->documentElement) { |
|
/* 5. Otherwise, if node is an html element (root element), terminate |
|
in a failure state. (This can only happen if the node is the topmost |
|
node of the stack of open elements, and prevents the next step from |
|
being invoked if there are no more elements in the stack.) */ |
|
return false; |
|
} |
|
|
|
/* Otherwise, set node to the previous entry in the stack of open |
|
elements and return to step 2. (This will never fail, since the loop |
|
will always terminate in the previous step if the top of the stack |
|
is reached.) */ |
|
} |
|
} |
|
|
|
private function reconstructActiveFormattingElements() |
|
{ |
|
/* 1. If there are no entries in the list of active formatting elements, |
|
then there is nothing to reconstruct; stop this algorithm. */ |
|
$formatting_elements = count($this->a_formatting); |
|
|
|
if($formatting_elements === 0) { |
|
return false; |
|
} |
|
|
|
/* 3. Let entry be the last (most recently added) element in the list |
|
of active formatting elements. */ |
|
$entry = end($this->a_formatting); |
|
|
|
/* 2. If the last (most recently added) entry in the list of active |
|
formatting elements is a marker, or if it is an element that is in the |
|
stack of open elements, then there is nothing to reconstruct; stop this |
|
algorithm. */ |
|
if($entry === self::MARKER || in_array($entry, $this->stack, true)) { |
|
return false; |
|
} |
|
|
|
for($a = $formatting_elements - 1; $a >= 0; true) { |
|
/* 4. If there are no entries before entry in the list of active |
|
formatting elements, then jump to step 8. */ |
|
if($a === 0) { |
|
$step_seven = false; |
|
break; |
|
} |
|
|
|
/* 5. Let entry be the entry one earlier than entry in the list of |
|
active formatting elements. */ |
|
$a--; |
|
$entry = $this->a_formatting[$a]; |
|
|
|
/* 6. If entry is neither a marker nor an element that is also in |
|
thetack of open elements, go to step 4. */ |
|
if($entry === self::MARKER || in_array($entry, $this->stack, true)) { |
|
break; |
|
} |
|
} |
|
|
|
while(true) { |
|
/* 7. Let entry be the element one later than entry in the list of |
|
active formatting elements. */ |
|
if(isset($step_seven) && $step_seven === true) { |
|
$a++; |
|
$entry = $this->a_formatting[$a]; |
|
} |
|
|
|
/* 8. Perform a shallow clone of the element entry to obtain clone. */ |
|
$clone = $entry->cloneNode(); |
|
|
|
/* 9. Append clone to the current node and push it onto the stack |
|
of open elements so that it is the new current node. */ |
|
end($this->stack)->appendChild($clone); |
|
$this->stack[] = $clone; |
|
|
|
/* 10. Replace the entry for entry in the list with an entry for |
|
clone. */ |
|
$this->a_formatting[$a] = $clone; |
|
|
|
/* 11. If the entry for clone in the list of active formatting |
|
elements is not the last entry in the list, return to step 7. */ |
|
if(end($this->a_formatting) !== $clone) { |
|
$step_seven = true; |
|
} else { |
|
break; |
|
} |
|
} |
|
} |
|
|
|
private function clearTheActiveFormattingElementsUpToTheLastMarker() |
|
{ |
|
/* When the steps below require the UA to clear the list of active |
|
formatting elements up to the last marker, the UA must perform the |
|
following steps: */ |
|
|
|
while(true) { |
|
/* 1. Let entry be the last (most recently added) entry in the list |
|
of active formatting elements. */ |
|
$entry = end($this->a_formatting); |
|
|
|
/* 2. Remove entry from the list of active formatting elements. */ |
|
array_pop($this->a_formatting); |
|
|
|
/* 3. If entry was a marker, then stop the algorithm at this point. |
|
The list has been cleared up to the last marker. */ |
|
if($entry === self::MARKER) { |
|
break; |
|
} |
|
} |
|
} |
|
|
|
private function generateImpliedEndTags(array $exclude = array()) |
|
{ |
|
/* When the steps below require the UA to generate implied end tags, |
|
then, if the current node is a dd element, a dt element, an li element, |
|
a p element, a td element, a th element, or a tr element, the UA must |
|
act as if an end tag with the respective tag name had been seen and |
|
then generate implied end tags again. */ |
|
$node = end($this->stack); |
|
$elements = array_diff(array('dd', 'dt', 'li', 'p', 'td', 'th', 'tr'), $exclude); |
|
|
|
while(in_array(end($this->stack)->nodeName, $elements)) { |
|
array_pop($this->stack); |
|
} |
|
} |
|
|
|
private function getElementCategory($name) |
|
{ |
|
if(in_array($name, $this->special)) |
|
return self::SPECIAL; |
|
|
|
elseif(in_array($name, $this->scoping)) |
|
return self::SCOPING; |
|
|
|
elseif(in_array($name, $this->formatting)) |
|
return self::FORMATTING; |
|
|
|
else |
|
return self::PHRASING; |
|
} |
|
|
|
private function clearStackToTableContext($elements) |
|
{ |
|
/* When the steps above require the UA to clear the stack back to a |
|
table context, it means that the UA must, while the current node is not |
|
a table element or an html element, pop elements from the stack of open |
|
elements. If this causes any elements to be popped from the stack, then |
|
this is a parse error. */ |
|
while(true) { |
|
$node = end($this->stack)->nodeName; |
|
|
|
if(in_array($node, $elements)) { |
|
break; |
|
} else { |
|
array_pop($this->stack); |
|
} |
|
} |
|
} |
|
|
|
private function resetInsertionMode() |
|
{ |
|
/* 1. Let last be false. */ |
|
$last = false; |
|
$leng = count($this->stack); |
|
|
|
for($n = $leng - 1; $n >= 0; $n--) { |
|
/* 2. Let node be the last node in the stack of open elements. */ |
|
$node = $this->stack[$n]; |
|
|
|
/* 3. If node is the first node in the stack of open elements, then |
|
set last to true. If the element whose innerHTML attribute is being |
|
set is neither a td element nor a th element, then set node to the |
|
element whose innerHTML attribute is being set. (innerHTML case) */ |
|
if($this->stack[0]->isSameNode($node)) { |
|
$last = true; |
|
} |
|
|
|
/* 4. If node is a select element, then switch the insertion mode to |
|
"in select" and abort these steps. (innerHTML case) */ |
|
if($node->nodeName === 'select') { |
|
$this->mode = self::IN_SELECT; |
|
break; |
|
|
|
/* 5. If node is a td or th element, then switch the insertion mode |
|
to "in cell" and abort these steps. */ |
|
} elseif($node->nodeName === 'td' || $node->nodeName === 'th') { |
|
$this->mode = self::IN_CELL; |
|
break; |
|
|
|
/* 6. If node is a tr element, then switch the insertion mode to |
|
"in row" and abort these steps. */ |
|
} elseif($node->nodeName === 'tr') { |
|
$this->mode = self::IN_ROW; |
|
break; |
|
|
|
/* 7. If node is a tbody, thead, or tfoot element, then switch the |
|
insertion mode to "in table body" and abort these steps. */ |
|
} elseif(in_array($node->nodeName, array('tbody', 'thead', 'tfoot'))) { |
|
$this->mode = self::IN_TBODY; |
|
break; |
|
|
|
/* 8. If node is a caption element, then switch the insertion mode |
|
to "in caption" and abort these steps. */ |
|
} elseif($node->nodeName === 'caption') { |
|
$this->mode = self::IN_CAPTION; |
|
break; |
|
|
|
/* 9. If node is a colgroup element, then switch the insertion mode |
|
to "in column group" and abort these steps. (innerHTML case) */ |
|
} elseif($node->nodeName === 'colgroup') { |
|
$this->mode = self::IN_CGROUP; |
|
break; |
|
|
|
/* 10. If node is a table element, then switch the insertion mode |
|
to "in table" and abort these steps. */ |
|
} elseif($node->nodeName === 'table') { |
|
$this->mode = self::IN_TABLE; |
|
break; |
|
|
|
/* 11. If node is a head element, then switch the insertion mode |
|
to "in body" ("in body"! not "in head"!) and abort these steps. |
|
(innerHTML case) */ |
|
} elseif($node->nodeName === 'head') { |
|
$this->mode = self::IN_BODY; |
|
break; |
|
|
|
/* 12. If node is a body element, then switch the insertion mode to |
|
"in body" and abort these steps. */ |
|
} elseif($node->nodeName === 'body') { |
|
$this->mode = self::IN_BODY; |
|
break; |
|
|
|
/* 13. If node is a frameset element, then switch the insertion |
|
mode to "in frameset" and abort these steps. (innerHTML case) */ |
|
} elseif($node->nodeName === 'frameset') { |
|
$this->mode = self::IN_FRAME; |
|
break; |
|
|
|
/* 14. If node is an html element, then: if the head element |
|
pointer is null, switch the insertion mode to "before head", |
|
otherwise, switch the insertion mode to "after head". In either |
|
case, abort these steps. (innerHTML case) */ |
|
} elseif($node->nodeName === 'html') { |
|
$this->mode = ($this->head_pointer === null) |
|
? self::BEFOR_HEAD |
|
: self::AFTER_HEAD; |
|
|
|
break; |
|
|
|
/* 15. If last is true, then set the insertion mode to "in body" |
|
and abort these steps. (innerHTML case) */ |
|
} elseif($last) { |
|
$this->mode = self::IN_BODY; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
private function closeCell() |
|
{ |
|
/* If the stack of open elements has a td or th element in table scope, |
|
then act as if an end tag token with that tag name had been seen. */ |
|
foreach(array('td', 'th') as $cell) { |
|
if($this->elementInScope($cell, true)) { |
|
$this->inCell(array( |
|
'name' => $cell, |
|
'type' => HTML5::ENDTAG |
|
)); |
|
|
|
break; |
|
} |
|
} |
|
} |
|
|
|
public function save() |
|
{ |
|
return $this->dom; |
|
} |
|
}
|
|
|