diff options
Diffstat (limited to 'library')
| -rw-r--r-- | library/HTML5/Data.php | 120 | ||||
| -rw-r--r-- | library/HTML5/InputStream.php | 284 | ||||
| -rw-r--r-- | library/HTML5/Parser.php | 36 | ||||
| -rw-r--r-- | library/HTML5/Tokenizer.php | 2307 | ||||
| -rw-r--r-- | library/HTML5/TreeBuilder.php | 3715 | ||||
| -rw-r--r-- | library/HTML5/named-character-references.ser | 1 |
6 files changed, 6463 insertions, 0 deletions
diff --git a/library/HTML5/Data.php b/library/HTML5/Data.php new file mode 100644 index 000000000..fa97e3ee8 --- /dev/null +++ b/library/HTML5/Data.php @@ -0,0 +1,120 @@ +<?php + +// warning: this file is encoded in UTF-8! + +class HTML5_Data +{ + + // at some point this should be moved to a .ser file. Another + // possible optimization is to give UTF-8 bytes, not Unicode + // codepoints + protected static $realCodepointTable = array( + 0x0D => 0x000A, // LINE FEED (LF) + 0x80 => 0x20AC, // EURO SIGN ('€') + 0x81 => 0xFFFD, // REPLACEMENT CHARACTER + 0x82 => 0x201A, // SINGLE LOW-9 QUOTATION MARK ('‚') + 0x83 => 0x0192, // LATIN SMALL LETTER F WITH HOOK ('ƒ') + 0x84 => 0x201E, // DOUBLE LOW-9 QUOTATION MARK ('„') + 0x85 => 0x2026, // HORIZONTAL ELLIPSIS ('…') + 0x86 => 0x2020, // DAGGER ('†') + 0x87 => 0x2021, // DOUBLE DAGGER ('‡') + 0x88 => 0x02C6, // MODIFIER LETTER CIRCUMFLEX ACCENT ('ˆ') + 0x89 => 0x2030, // PER MILLE SIGN ('‰') + 0x8A => 0x0160, // LATIN CAPITAL LETTER S WITH CARON ('Š') + 0x8B => 0x2039, // SINGLE LEFT-POINTING ANGLE QUOTATION MARK ('‹') + 0x8C => 0x0152, // LATIN CAPITAL LIGATURE OE ('Œ') + 0x8D => 0xFFFD, // REPLACEMENT CHARACTER + 0x8E => 0x017D, // LATIN CAPITAL LETTER Z WITH CARON ('Ž') + 0x8F => 0xFFFD, // REPLACEMENT CHARACTER + 0x90 => 0xFFFD, // REPLACEMENT CHARACTER + 0x91 => 0x2018, // LEFT SINGLE QUOTATION MARK ('‘') + 0x92 => 0x2019, // RIGHT SINGLE QUOTATION MARK ('’') + 0x93 => 0x201C, // LEFT DOUBLE QUOTATION MARK ('“') + 0x94 => 0x201D, // RIGHT DOUBLE QUOTATION MARK ('”') + 0x95 => 0x2022, // BULLET ('•') + 0x96 => 0x2013, // EN DASH ('–') + 0x97 => 0x2014, // EM DASH ('—') + 0x98 => 0x02DC, // SMALL TILDE ('˜') + 0x99 => 0x2122, // TRADE MARK SIGN ('™') + 0x9A => 0x0161, // LATIN SMALL LETTER S WITH CARON ('š') + 0x9B => 0x203A, // SINGLE RIGHT-POINTING ANGLE QUOTATION MARK ('›') + 0x9C => 0x0153, // LATIN SMALL LIGATURE OE ('œ') + 0x9D => 0xFFFD, // REPLACEMENT CHARACTER + 0x9E => 0x017E, // LATIN SMALL LETTER Z WITH CARON ('ž') + 0x9F => 0x0178, // LATIN CAPITAL LETTER Y WITH DIAERESIS ('Ÿ') + ); + + protected static $namedCharacterReferences; + + protected static $namedCharacterReferenceMaxLength; + + /** + * Returns the "real" Unicode codepoint of a malformed character + * reference. + */ + public static function getRealCodepoint($ref) { + if (!isset(self::$realCodepointTable[$ref])) return false; + else return self::$realCodepointTable[$ref]; + } + + public static function getNamedCharacterReferences() { + if (!self::$namedCharacterReferences) { + self::$namedCharacterReferences = unserialize( + file_get_contents(dirname(__FILE__) . '/named-character-references.ser')); + } + return self::$namedCharacterReferences; + } + + public static function getNamedCharacterReferenceMaxLength() { + if (!self::$namedCharacterReferenceMaxLength) { + $namedCharacterReferences = self::getNamedCharacterReferences(); + $lengths = array_map('strlen', array_keys($namedCharacterReferences)); + self::$namedCharacterReferenceMaxLength = max($lengths); + } + return self::$namedCharacterReferenceMaxLength; + } + + + /** + * Converts a Unicode codepoint to sequence of UTF-8 bytes. + * @note Shamelessly stolen from HTML Purifier, which is also + * shamelessly stolen from Feyd (which is in public domain). + */ + public static function utf8chr($code) { + if($code > 0x10FFFF or $code < 0x0 or + ($code >= 0xD800 and $code <= 0xDFFF) ) { + // bits are set outside the "valid" range as defined + // by UNICODE 4.1.0 + return "\xEF\xBF\xBD"; + } + + $x = $y = $z = $w = 0; + if ($code < 0x80) { + // regular ASCII character + $x = $code; + } else { + // set up bits for UTF-8 + $x = ($code & 0x3F) | 0x80; + if ($code < 0x800) { + $y = (($code & 0x7FF) >> 6) | 0xC0; + } else { + $y = (($code & 0xFC0) >> 6) | 0x80; + if($code < 0x10000) { + $z = (($code >> 12) & 0x0F) | 0xE0; + } else { + $z = (($code >> 12) & 0x3F) | 0x80; + $w = (($code >> 18) & 0x07) | 0xF0; + } + } + } + // set up the actual character + $ret = ''; + if($w) $ret .= chr($w); + if($z) $ret .= chr($z); + if($y) $ret .= chr($y); + $ret .= chr($x); + + return $ret; + } + +} diff --git a/library/HTML5/InputStream.php b/library/HTML5/InputStream.php new file mode 100644 index 000000000..f98b42723 --- /dev/null +++ b/library/HTML5/InputStream.php @@ -0,0 +1,284 @@ +<?php + +/* + +Copyright 2009 Geoffrey Sneddon <http://gsnedders.com/> + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +// Some conventions: +// /* */ indicates verbatim text from the HTML 5 specification +// // indicates regular comments + +class HTML5_InputStream { + /** + * The string data we're parsing. + */ + private $data; + + /** + * The current integer byte position we are in $data + */ + private $char; + + /** + * Length of $data; when $char === $data, we are at the end-of-file. + */ + private $EOF; + + /** + * Parse errors. + */ + public $errors = array(); + + /** + * @param $data Data to parse + */ + public function __construct($data) { + + /* Given an encoding, the bytes in the input stream must be + converted to Unicode characters for the tokeniser, as + described by the rules for that encoding, except that the + leading U+FEFF BYTE ORDER MARK character, if any, must not + be stripped by the encoding layer (it is stripped by the rule below). + + Bytes or sequences of bytes in the original byte stream that + could not be converted to Unicode characters must be converted + to U+FFFD REPLACEMENT CHARACTER code points. */ + + // XXX currently assuming input data is UTF-8; once we + // build encoding detection this will no longer be the case + // + // We previously had an mbstring implementation here, but that + // implementation is heavily non-conforming, so it's been + // omitted. + if (extension_loaded('iconv')) { + // non-conforming + $data = @iconv('UTF-8', 'UTF-8//IGNORE', $data); + } else { + // we can make a conforming native implementation + throw new Exception('Not implemented, please install mbstring or iconv'); + } + + /* One leading U+FEFF BYTE ORDER MARK character must be + ignored if any are present. */ + if (substr($data, 0, 3) === "\xEF\xBB\xBF") { + $data = substr($data, 3); + } + + /* All U+0000 NULL characters in the input must be replaced + by U+FFFD REPLACEMENT CHARACTERs. Any occurrences of such + characters is a parse error. */ + for ($i = 0, $count = substr_count($data, "\0"); $i < $count; $i++) { + $this->errors[] = array( + 'type' => HTML5_Tokenizer::PARSEERROR, + 'data' => 'null-character' + ); + } + /* U+000D CARRIAGE RETURN (CR) characters and U+000A LINE FEED + (LF) characters are treated specially. Any CR characters + that are followed by LF characters must be removed, and any + CR characters not followed by LF characters must be converted + to LF characters. Thus, newlines in HTML DOMs are represented + by LF characters, and there are never any CR characters in the + input to the tokenization stage. */ + $data = str_replace( + array( + "\0", + "\r\n", + "\r" + ), + array( + "\xEF\xBF\xBD", + "\n", + "\n" + ), + $data + ); + + /* Any occurrences of any characters in the ranges U+0001 to + U+0008, U+000B, U+000E to U+001F, U+007F to U+009F, + U+D800 to U+DFFF , U+FDD0 to U+FDEF, and + characters U+FFFE, U+FFFF, U+1FFFE, U+1FFFF, U+2FFFE, U+2FFFF, + U+3FFFE, U+3FFFF, U+4FFFE, U+4FFFF, U+5FFFE, U+5FFFF, U+6FFFE, + U+6FFFF, U+7FFFE, U+7FFFF, U+8FFFE, U+8FFFF, U+9FFFE, U+9FFFF, + U+AFFFE, U+AFFFF, U+BFFFE, U+BFFFF, U+CFFFE, U+CFFFF, U+DFFFE, + U+DFFFF, U+EFFFE, U+EFFFF, U+FFFFE, U+FFFFF, U+10FFFE, and + U+10FFFF are parse errors. (These are all control characters + or permanently undefined Unicode characters.) */ + // Check PCRE is loaded. + if (extension_loaded('pcre')) { + $count = preg_match_all( + '/(?: + [\x01-\x08\x0B\x0E-\x1F\x7F] # U+0001 to U+0008, U+000B, U+000E to U+001F and U+007F + | + \xC2[\x80-\x9F] # U+0080 to U+009F + | + \xED(?:\xA0[\x80-\xFF]|[\xA1-\xBE][\x00-\xFF]|\xBF[\x00-\xBF]) # U+D800 to U+DFFFF + | + \xEF\xB7[\x90-\xAF] # U+FDD0 to U+FDEF + | + \xEF\xBF[\xBE\xBF] # U+FFFE and U+FFFF + | + [\xF0-\xF4][\x8F-\xBF]\xBF[\xBE\xBF] # U+nFFFE and U+nFFFF (1 <= n <= 10_{16}) + )/x', + $data, + $matches + ); + for ($i = 0; $i < $count; $i++) { + $this->errors[] = array( + 'type' => HTML5_Tokenizer::PARSEERROR, + 'data' => 'invalid-codepoint' + ); + } + } else { + // XXX: Need non-PCRE impl, probably using substr_count + } + + $this->data = $data; + $this->char = 0; + $this->EOF = strlen($data); + } + + /** + * Returns the current line that the tokenizer is at. + */ + public function getCurrentLine() { + // Check the string isn't empty + if($this->EOF) { + // Add one to $this->char because we want the number for the next + // byte to be processed. + return substr_count($this->data, "\n", 0, min($this->char, $this->EOF)) + 1; + } else { + // If the string is empty, we are on the first line (sorta). + return 1; + } + } + + /** + * Returns the current column of the current line that the tokenizer is at. + */ + public function getColumnOffset() { + // strrpos is weird, and the offset needs to be negative for what we + // want (i.e., the last \n before $this->char). This needs to not have + // one (to make it point to the next character, the one we want the + // position of) added to it because strrpos's behaviour includes the + // final offset byte. + $lastLine = strrpos($this->data, "\n", $this->char - 1 - strlen($this->data)); + + // However, for here we want the length up until the next byte to be + // processed, so add one to the current byte ($this->char). + if($lastLine !== false) { + $findLengthOf = substr($this->data, $lastLine + 1, $this->char - 1 - $lastLine); + } else { + $findLengthOf = substr($this->data, 0, $this->char); + } + + // Get the length for the string we need. + if(extension_loaded('iconv')) { + return iconv_strlen($findLengthOf, 'utf-8'); + } elseif(extension_loaded('mbstring')) { + return mb_strlen($findLengthOf, 'utf-8'); + } elseif(extension_loaded('xml')) { + return strlen(utf8_decode($findLengthOf)); + } else { + $count = count_chars($findLengthOf); + // 0x80 = 0x7F - 0 + 1 (one added to get inclusive range) + // 0x33 = 0xF4 - 0x2C + 1 (one added to get inclusive range) + return array_sum(array_slice($count, 0, 0x80)) + + array_sum(array_slice($count, 0xC2, 0x33)); + } + } + + /** + * Retrieve the currently consume character. + * @note This performs bounds checking + */ + public function char() { + return ($this->char++ < $this->EOF) + ? $this->data[$this->char - 1] + : false; + } + + /** + * Get all characters until EOF. + * @note This performs bounds checking + */ + public function remainingChars() { + if($this->char < $this->EOF) { + $data = substr($this->data, $this->char); + $this->char = $this->EOF; + return $data; + } else { + return false; + } + } + + /** + * Matches as far as possible until we reach a certain set of bytes + * and returns the matched substring. + * @param $bytes Bytes to match. + */ + public function charsUntil($bytes, $max = null) { + if ($this->char < $this->EOF) { + if ($max === 0 || $max) { + $len = strcspn($this->data, $bytes, $this->char, $max); + } else { + $len = strcspn($this->data, $bytes, $this->char); + } + $string = (string) substr($this->data, $this->char, $len); + $this->char += $len; + return $string; + } else { + return false; + } + } + + /** + * Matches as far as possible with a certain set of bytes + * and returns the matched substring. + * @param $bytes Bytes to match. + */ + public function charsWhile($bytes, $max = null) { + if ($this->char < $this->EOF) { + if ($max === 0 || $max) { + $len = strspn($this->data, $bytes, $this->char, $max); + } else { + $len = strspn($this->data, $bytes, $this->char); + } + $string = (string) substr($this->data, $this->char, $len); + $this->char += $len; + return $string; + } else { + return false; + } + } + + /** + * Unconsume one character. + */ + public function unget() { + if ($this->char <= $this->EOF) { + $this->char--; + } + } +} diff --git a/library/HTML5/Parser.php b/library/HTML5/Parser.php new file mode 100644 index 000000000..5f9ca560e --- /dev/null +++ b/library/HTML5/Parser.php @@ -0,0 +1,36 @@ +<?php + +require_once dirname(__FILE__) . '/Data.php'; +require_once dirname(__FILE__) . '/InputStream.php'; +require_once dirname(__FILE__) . '/TreeBuilder.php'; +require_once dirname(__FILE__) . '/Tokenizer.php'; + +/** + * Outwards facing interface for HTML5. + */ +class HTML5_Parser +{ + /** + * Parses a full HTML document. + * @param $text HTML text to parse + * @param $builder Custom builder implementation + * @return Parsed HTML as DOMDocument + */ + static public function parse($text, $builder = null) { + $tokenizer = new HTML5_Tokenizer($text, $builder); + $tokenizer->parse(); + return $tokenizer->save(); + } + /** + * Parses an HTML fragment. + * @param $text HTML text to parse + * @param $context String name of context element to pretend parsing is in. + * @param $builder Custom builder implementation + * @return Parsed HTML as DOMDocument + */ + static public function parseFragment($text, $context = null, $builder = null) { + $tokenizer = new HTML5_Tokenizer($text, $builder); + $tokenizer->parseFragment($context); + return $tokenizer->save(); + } +} diff --git a/library/HTML5/Tokenizer.php b/library/HTML5/Tokenizer.php new file mode 100644 index 000000000..06c73065f --- /dev/null +++ b/library/HTML5/Tokenizer.php @@ -0,0 +1,2307 @@ +<?php + +/* + +Copyright 2007 Jeroen van der Meer <http://jero.net/> +Copyright 2008 Edward Z. Yang <http://htmlpurifier.org/> +Copyright 2009 Geoffrey Sneddon <http://gsnedders.com/> + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +// Some conventions: +// /* */ indicates verbatim text from the HTML 5 specification +// // indicates regular comments + +// all flags are in hyphenated form + +class HTML5_Tokenizer { + /** + * Points to an InputStream object. + */ + protected $stream; + + /** + * Tree builder that the tokenizer emits token to. + */ + private $tree; + + /** + * Current content model we are parsing as. + */ + protected $content_model; + + /** + * Current token that is being built, but not yet emitted. Also + * is the last token emitted, if applicable. + */ + protected $token; + + // These are constants describing the content model + const PCDATA = 0; + const RCDATA = 1; + const CDATA = 2; + const PLAINTEXT = 3; + + // These are constants describing tokens + // XXX should probably be moved somewhere else, probably the + // HTML5 class. + const DOCTYPE = 0; + const STARTTAG = 1; + const ENDTAG = 2; + const COMMENT = 3; + const CHARACTER = 4; + const SPACECHARACTER = 5; + const EOF = 6; + const PARSEERROR = 7; + + // These are constants representing bunches of characters. + const ALPHA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; + const UPPER_ALPHA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; + const LOWER_ALPHA = 'abcdefghijklmnopqrstuvwxyz'; + const DIGIT = '0123456789'; + const HEX = '0123456789ABCDEFabcdef'; + const WHITESPACE = "\t\n\x0c "; + + /** + * @param $data Data to parse + */ + public function __construct($data, $builder = null) { + $this->stream = new HTML5_InputStream($data); + if (!$builder) $this->tree = new HTML5_TreeBuilder; + $this->content_model = self::PCDATA; + } + + public function parseFragment($context = null) { + $this->tree->setupContext($context); + if ($this->tree->content_model) { + $this->content_model = $this->tree->content_model; + $this->tree->content_model = null; + } + $this->parse(); + } + + // XXX maybe convert this into an iterator? regardless, this function + // and the save function should go into a Parser facade of some sort + /** + * Performs the actual parsing of the document. + */ + public function parse() { + // Current state + $state = 'data'; + // This is used to avoid having to have look-behind in the data state. + $lastFourChars = ''; + /** + * Escape flag as specified by the HTML5 specification: "used to + * control the behavior of the tokeniser. It is either true or + * false, and initially must be set to the false state." + */ + $escape = false; + //echo "\n\n"; + while($state !== null) { + + /*echo $state . ' '; + switch ($this->content_model) { + case self::PCDATA: echo 'PCDATA'; break; + case self::RCDATA: echo 'RCDATA'; break; + case self::CDATA: echo 'CDATA'; break; + case self::PLAINTEXT: echo 'PLAINTEXT'; break; + } + if ($escape) echo " escape"; + echo "\n";*/ + + switch($state) { + case 'data': + + /* Consume the next input character */ + $char = $this->stream->char(); + $lastFourChars .= $char; + if (strlen($lastFourChars) > 4) $lastFourChars = substr($lastFourChars, -4); + + // see below for meaning + $hyp_cond = + !$escape && + ( + $this->content_model === self::RCDATA || + $this->content_model === self::CDATA + ); + $amp_cond = + !$escape && + ( + $this->content_model === self::PCDATA || + $this->content_model === self::RCDATA + ); + $lt_cond = + $this->content_model === self::PCDATA || + ( + ( + $this->content_model === self::RCDATA || + $this->content_model === self::CDATA + ) && + !$escape + ); + $gt_cond = + $escape && + ( + $this->content_model === self::RCDATA || + $this->content_model === self::CDATA + ); + + if($char === '&' && $amp_cond) { + /* U+0026 AMPERSAND (&) + When the content model flag is set to one of the PCDATA or RCDATA + states and the escape flag is false: switch to the + character reference data state. Otherwise: treat it as per + the "anything else" entry below. */ + $state = 'characterReferenceData'; + + } elseif( + $char === '-' && + $hyp_cond && + $lastFourChars === '<!--' + ) { + /* + U+002D HYPHEN-MINUS (-) + If the content model flag is set to either the RCDATA state or + the CDATA state, and the escape flag is false, and there are at + least three characters before this one in the input stream, and the + last four characters in the input stream, including this one, are + U+003C LESS-THAN SIGN, U+0021 EXCLAMATION MARK, U+002D HYPHEN-MINUS, + and U+002D HYPHEN-MINUS ("<!--"), then set the escape flag to true. */ + $escape = true; + + /* In any case, emit the input character as a character token. Stay + in the data state. */ + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '-' + )); + // We do the "any case" part as part of "anything else". + + /* U+003C LESS-THAN SIGN (<) */ + } elseif($char === '<' && $lt_cond) { + /* When the content model flag is set to the PCDATA state: switch + to the tag open state. + + When the content model flag is set to either the RCDATA state or + the CDATA state and the escape flag is false: switch to the tag + open state. + + Otherwise: treat it as per the "anything else" entry below. */ + $state = 'tagOpen'; + + /* U+003E GREATER-THAN SIGN (>) */ + } elseif( + $char === '>' && + $gt_cond && + substr($lastFourChars, 1) === '-->' + ) { + /* If the content model flag is set to either the RCDATA state or + the CDATA state, and the escape flag is true, and the last three + characters in the input stream including this one are U+002D + HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN ("-->"), + set the escape flag to false. */ + $escape = false; + + /* In any case, emit the input character as a character token. + Stay in the data state. */ + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '>' + )); + // We do the "any case" part as part of "anything else". + + } elseif($char === false) { + /* EOF + Emit an end-of-file token. */ + $state = null; + $this->tree->emitToken(array( + 'type' => self::EOF + )); + + } elseif($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + // Directly after emitting a token you switch back to the "data + // state". At that point spaceCharacters are important so they are + // emitted separately. + $chars = $this->stream->charsWhile(self::WHITESPACE); + $this->emitToken(array( + 'type' => self::SPACECHARACTER, + 'data' => $char . $chars + )); + $lastFourChars .= $chars; + if (strlen($lastFourChars) > 4) $lastFourChars = substr($lastFourChars, -4); + + } else { + /* Anything else + THIS IS AN OPTIMIZATION: Get as many character that + otherwise would also be treated as a character token and emit it + as a single character token. Stay in the data state. */ + + $mask = ''; + if ($hyp_cond) $mask .= '-'; + if ($amp_cond) $mask .= '&'; + if ($lt_cond) $mask .= '<'; + if ($gt_cond) $mask .= '>'; + + if ($mask === '') { + $chars = $this->stream->remainingChars(); + } else { + $chars = $this->stream->charsUntil($mask); + } + + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => $char . $chars + )); + + $lastFourChars .= $chars; + if (strlen($lastFourChars) > 4) $lastFourChars = substr($lastFourChars, -4); + + $state = 'data'; + } + break; + + case 'characterReferenceData': + /* (This cannot happen if the content model flag + is set to the CDATA state.) */ + + /* Attempt to consume a character reference, with no + additional allowed character. */ + $entity = $this->consumeCharacterReference(); + + /* If nothing is returned, emit a U+0026 AMPERSAND + character token. Otherwise, emit the character token that + was returned. */ + // This is all done when consuming the character reference. + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => $entity + )); + + /* Finally, switch to the data state. */ + $state = 'data'; + break; + + case 'tagOpen': + $char = $this->stream->char(); + + switch($this->content_model) { + case self::RCDATA: + case self::CDATA: + /* Consume the next input character. If it is a + U+002F SOLIDUS (/) character, switch to the close + tag open state. Otherwise, emit a U+003C LESS-THAN + SIGN character token and reconsume the current input + character in the data state. */ + // We consumed above. + + if($char === '/') { + $state = 'closeTagOpen'; + + } else { + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '<' + )); + + $this->stream->unget(); + + $state = 'data'; + } + break; + + case self::PCDATA: + /* If the content model flag is set to the PCDATA state + Consume the next input character: */ + // We consumed above. + + if($char === '!') { + /* U+0021 EXCLAMATION MARK (!) + Switch to the markup declaration open state. */ + $state = 'markupDeclarationOpen'; + + } elseif($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the close tag open state. */ + $state = 'closeTagOpen'; + + } elseif('A' <= $char && $char <= 'Z') { + /* 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.) */ + $this->token = array( + 'name' => strtolower($char), + 'type' => self::STARTTAG, + 'attr' => array() + ); + + $state = 'tagName'; + + } elseif('a' <= $char && $char <= 'z') { + /* U+0061 LATIN SMALL LETTER A through to U+007A LATIN SMALL LETTER Z + Create a new start tag token, set its tag name to the input + character, 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' => $char, + 'type' => self::STARTTAG, + 'attr' => array() + ); + + $state = 'tagName'; + + } elseif($char === '>') { + /* 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. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-tag-name-but-got-right-bracket' + )); + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '<>' + )); + + $state = 'data'; + + } elseif($char === '?') { + /* U+003F QUESTION MARK (?) + Parse error. Switch to the bogus comment state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-tag-name-but-got-question-mark' + )); + $this->token = array( + 'data' => '?', + 'type' => self::COMMENT + ); + $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( + 'type' => self::PARSEERROR, + 'data' => 'expected-tag-name' + )); + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '<' + )); + + $state = 'data'; + $this->stream->unget(); + } + break; + } + break; + + case 'closeTagOpen': + if ( + $this->content_model === self::RCDATA || + $this->content_model === self::CDATA + ) { + /* If the content model flag is set to the RCDATA or CDATA + states... */ + $name = strtolower($this->stream->charsWhile(self::ALPHA)); + $following = $this->stream->char(); + $this->stream->unget(); + if ( + !$this->token || + $this->token['name'] !== $name || + $this->token['name'] === $name && !in_array($following, array("\x09", "\x0A", "\x0C", "\x20", "\x3E", "\x2F", false)) + ) { + /* if no start tag token has ever been emitted by this instance + of the tokenizer (fragment case), or, if the next few + characters do not match the tag name of the last start tag + token emitted (compared in an ASCII case-insensitive manner), + 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+000C FORM FEED (FF) + * U+0020 SPACE + * U+003E GREATER-THAN SIGN (>) + * U+002F SOLIDUS (/) + * EOF + + ...then 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. */ + // XXX: Probably ought to replace in_array with $following === x ||... + + // We also need to emit $name now we've consumed that, as we + // know it'll just be emitted as a character token. + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '</' . $name + )); + + $state = 'data'; + } else { + // This matches what would happen if we actually did the + // otherwise below (but we can't because we've consumed too + // much). + + // Start the end tag token with the name we already have. + $this->token = array( + 'name' => $name, + 'type' => self::ENDTAG + ); + + // Change to tag name state. + $state = 'tagName'; + } + } elseif ($this->content_model === self::PCDATA) { + /* Otherwise, if the content model flag is set to the PCDATA + state [...]: */ + $char = $this->stream->char(); + + if ('A' <= $char && $char <= 'Z') { + /* 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), + 'type' => self::ENDTAG + ); + + $state = 'tagName'; + + } elseif ('a' <= $char && $char <= 'z') { + /* U+0061 LATIN SMALL LETTER A through to U+007A LATIN SMALL LETTER Z + Create a new end tag token, set its tag name to the + input character, 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' => $char, + 'type' => self::ENDTAG + ); + + $state = 'tagName'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-closing-tag-but-got-right-bracket' + )); + $state = 'data'; + + } elseif($char === false) { + /* 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::PARSEERROR, + 'data' => 'expected-closing-tag-but-got-eof' + )); + $this->emitToken(array( + 'type' => self::CHARACTER, + 'data' => '</' + )); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* Parse error. Switch to the bogus comment state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-closing-tag-but-got-char' + )); + $this->token = array( + 'data' => $char, + 'type' => self::COMMENT + ); + $state = 'bogusComment'; + } + } + break; + + case 'tagName': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the before attribute name state. */ + $state = 'beforeAttributeName'; + + } elseif($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the self-closing start tag state. */ + $state = 'selfClosingStartTag'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Append the lowercase version of the current input + character (add 0x0020 to the character's code point) to + the current tag token's tag name. Stay in the tag name state. */ + $chars = $this->stream->charsWhile(self::UPPER_ALPHA); + + $this->token['name'] .= strtolower($char . $chars); + $state = 'tagName'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-tag-name' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Append the current input character to the current tag token's tag name. + Stay in the tag name state. */ + $chars = $this->stream->charsUntil("\t\n\x0C />" . self::UPPER_ALPHA); + + $this->token['name'] .= $char . $chars; + $state = 'tagName'; + } + break; + + case 'beforeAttributeName': + /* Consume the next input character: */ + $char = $this->stream->char(); + + // this conditional is optimized, check bottom + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the before attribute name state. */ + $state = 'beforeAttributeName'; + + } elseif($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the self-closing start tag state. */ + $state = 'selfClosingStartTag'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Start a new attribute in the current tag token. Set that + attribute's name to the lowercase version of the current + input character (add 0x0020 to the character's code + point), and its value to the empty string. Switch to the + attribute name state.*/ + $this->token['attr'][] = array( + 'name' => strtolower($char), + 'value' => '' + ); + + $state = 'attributeName'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-attribute-name-but-got-eof' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* U+0022 QUOTATION MARK (") + U+0027 APOSTROPHE (') + U+003D EQUALS SIGN (=) + Parse error. Treat it as per the "anything else" entry + below. */ + if($char === '"' || $char === "'" || $char === '=') { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'invalid-character-in-attribute-name' + )); + } + + /* 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' => $char, + 'value' => '' + ); + + $state = 'attributeName'; + } + break; + + case 'attributeName': + // Consume the next input character: + $char = $this->stream->char(); + + // this conditional is optimized, check bottom + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the after attribute name state. */ + $state = 'afterAttributeName'; + + } elseif($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the self-closing start tag state. */ + $state = 'selfClosingStartTag'; + + } elseif($char === '=') { + /* U+003D EQUALS SIGN (=) + Switch to the before attribute value state. */ + $state = 'beforeAttributeValue'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Append the lowercase version of the current input + character (add 0x0020 to the character's code point) to + the current attribute's name. Stay in the attribute name + state. */ + $chars = $this->stream->charsWhile(self::UPPER_ALPHA); + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['name'] .= strtolower($char . $chars); + + $state = 'attributeName'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-attribute-name' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* U+0022 QUOTATION MARK (") + U+0027 APOSTROPHE (') + Parse error. Treat it as per the "anything else" + entry below. */ + if($char === '"' || $char === "'") { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'invalid-character-in-attribute-name' + )); + } + + /* Anything else + Append the current input character to the current attribute's name. + Stay in the attribute name state. */ + $chars = $this->stream->charsUntil("\t\n\x0C /=>\"'" . self::UPPER_ALPHA); + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['name'] .= $char . $chars; + + $state = 'attributeName'; + } + + /* When the user agent leaves the attribute name state + (and before emitting the tag token, if appropriate), the + complete attribute's name must be compared to the other + attributes on the same token; if there is already an + attribute on the token with the exact same name, then this + is a parse error and the new attribute must be dropped, along + with the value that gets associated with it (if any). */ + // this might be implemented in the emitToken method + break; + + case 'afterAttributeName': + // Consume the next input character: + $char = $this->stream->char(); + + // this is an optimized conditional, check the bottom + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the after attribute name state. */ + $state = 'afterAttributeName'; + + } elseif($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the self-closing start tag state. */ + $state = 'selfClosingStartTag'; + + } elseif($char === '=') { + /* U+003D EQUALS SIGN (=) + Switch to the before attribute value state. */ + $state = 'beforeAttributeValue'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Start a new attribute in the current tag token. Set that + attribute's name to the lowercase version of the current + input character (add 0x0020 to the character's code + point), and its value to the empty string. Switch to the + attribute name state. */ + $this->token['attr'][] = array( + 'name' => strtolower($char), + 'value' => '' + ); + + $state = 'attributeName'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-end-of-tag-but-got-eof' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* U+0022 QUOTATION MARK (") + U+0027 APOSTROPHE (') + Parse error. Treat it as per the "anything else" + entry below. */ + if($char === '"' || $char === "'") { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'invalid-character-after-attribute-name' + )); + } + + /* 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' => $char, + 'value' => '' + ); + + $state = 'attributeName'; + } + break; + + case 'beforeAttributeValue': + // Consume the next input character: + $char = $this->stream->char(); + + // this is an optimized conditional + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the before attribute value state. */ + $state = 'beforeAttributeValue'; + + } elseif($char === '"') { + /* U+0022 QUOTATION MARK (") + Switch to the attribute value (double-quoted) state. */ + $state = 'attributeValueDoubleQuoted'; + + } elseif($char === '&') { + /* U+0026 AMPERSAND (&) + Switch to the attribute value (unquoted) state and reconsume + this input character. */ + $this->stream->unget(); + $state = 'attributeValueUnquoted'; + + } elseif($char === '\'') { + /* U+0027 APOSTROPHE (') + Switch to the attribute value (single-quoted) state. */ + $state = 'attributeValueSingleQuoted'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Emit the current tag token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-attribute-value-but-got-right-bracket' + )); + $this->emitToken($this->token); + $state = 'data'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume + the character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-attribute-value-but-got-eof' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* U+003D EQUALS SIGN (=) + Parse error. Treat it as per the "anything else" entry below. */ + if($char === '=') { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'equals-in-unquoted-attribute-value' + )); + } + + /* 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; + + $state = 'attributeValueUnquoted'; + } + break; + + case 'attributeValueDoubleQuoted': + // Consume the next input character: + $char = $this->stream->char(); + + if($char === '"') { + /* U+0022 QUOTATION MARK (") + Switch to the after attribute value (quoted) state. */ + $state = 'afterAttributeValueQuoted'; + + } elseif($char === '&') { + /* U+0026 AMPERSAND (&) + Switch to the character reference in attribute value + state, with the additional allowed character + being U+0022 QUOTATION MARK ("). */ + $this->characterReferenceInAttributeValue('"'); + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the character + in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-attribute-value-double-quote' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Append the current input character to the current attribute's value. + Stay in the attribute value (double-quoted) state. */ + $chars = $this->stream->charsUntil('"&'); + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['value'] .= $char . $chars; + + $state = 'attributeValueDoubleQuoted'; + } + break; + + case 'attributeValueSingleQuoted': + // Consume the next input character: + $char = $this->stream->char(); + + if($char === "'") { + /* U+0022 QUOTATION MARK (') + Switch to the after attribute value state. */ + $state = 'afterAttributeValueQuoted'; + + } elseif($char === '&') { + /* U+0026 AMPERSAND (&) + Switch to the entity in attribute value state. */ + $this->characterReferenceInAttributeValue("'"); + + } elseif($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the character + in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-attribute-value-single-quote' + )); + $this->emitToken($this->token); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Append the current input character to the current attribute's value. + Stay in the attribute value (single-quoted) state. */ + $chars = $this->stream->charsUntil("'&"); + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['value'] .= $char . $chars; + + $state = 'attributeValueSingleQuoted'; + } + break; + + case 'attributeValueUnquoted': + // Consume the next input character: + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the before attribute name state. */ + $state = 'beforeAttributeName'; + + } elseif($char === '&') { + /* U+0026 AMPERSAND (&) + Switch to the entity in attribute value state. */ + $this->characterReferenceInAttributeValue(); + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif ($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume + the character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-attribute-value-no-quotes' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* U+0022 QUOTATION MARK (") + U+0027 APOSTROPHE (') + U+003D EQUALS SIGN (=) + Parse error. Treat it as per the "anything else" + entry below. */ + if($char === '"' || $char === "'" || $char === '=') { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-character-in-unquoted-attribute-value' + )); + } + + /* Anything else + Append the current input character to the current attribute's value. + Stay in the attribute value (unquoted) state. */ + $chars = $this->stream->charsUntil("\t\n\x0c &>\"'="); + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['value'] .= $char . $chars; + + $state = 'attributeValueUnquoted'; + } + break; + + case 'afterAttributeValueQuoted': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the before attribute name state. */ + $state = 'beforeAttributeName'; + + } elseif ($char === '/') { + /* U+002F SOLIDUS (/) + Switch to the self-closing start tag state. */ + $state = 'selfClosingStartTag'; + + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current tag token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif ($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-EOF-after-attribute-value' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Parse error. Reconsume the character in the before attribute + name state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-character-after-attribute-value' + )); + $this->stream->unget(); + $state = 'beforeAttributeName'; + } + break; + + case 'selfClosingStartTag': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Set the self-closing flag of the current tag token. + Emit the current tag token. Switch to the data state. */ + // not sure if this is the name we want + $this->token['self-closing'] = true; + /* When an end tag token is emitted with its self-closing flag set, + that is a parse error. */ + if ($this->token['type'] === self::ENDTAG) { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'self-closing-end-tag' + )); + } + $this->emitToken($this->token); + $state = 'data'; + + } elseif ($char === false) { + /* EOF + Parse error. Emit the current tag token. Reconsume the + EOF character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-eof-after-self-closing' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Parse error. Reconsume the character in the before attribute name state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-character-after-self-closing' + )); + $this->stream->unget(); + $state = 'beforeAttributeName'; + } + break; + + case 'bogusComment': + /* (This can only happen if the content model flag is set to the PCDATA state.) */ + /* 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.) */ + $this->token['data'] .= (string) $this->stream->charsUntil('>'); + $this->stream->char(); + + $this->emitToken($this->token); + + /* Switch to the data state. */ + $state = 'data'; + break; + + case 'markupDeclarationOpen': + // Consume for below + $hyphens = $this->stream->charsWhile('-', 2); + if ($hyphens === '-') { + $this->stream->unget(); + } + if ($hyphens !== '--') { + $alpha = $this->stream->charsWhile(self::ALPHA, 7); + } + + /* If the next two characters are both U+002D HYPHEN-MINUS (-) + characters, consume those two characters, create a comment token whose + data is the empty string, and switch to the comment state. */ + if($hyphens === '--') { + $state = 'commentStart'; + $this->token = array( + 'data' => '', + 'type' => self::COMMENT + ); + + /* Otherwise if the next seven characters are a case-insensitive match + for the word "DOCTYPE", then consume those characters and switch to the + DOCTYPE state. */ + } elseif(strtoupper($alpha) === 'DOCTYPE') { + $state = 'doctype'; + + // XXX not implemented + /* Otherwise, if the insertion mode is "in foreign content" + and the current node is not an element in the HTML namespace + and the next seven characters are an ASCII case-sensitive + match for the string "[CDATA[" (the five uppercase letters + "CDATA" with a U+005B LEFT SQUARE BRACKET character before + and after), then consume those characters and switch to the + CDATA section state (which is unrelated to the content model + flag's CDATA state). */ + + /* 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->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-dashes-or-doctype' + )); + $this->token = array( + 'data' => (string) $alpha, + 'type' => self::COMMENT + ); + $state = 'bogusComment'; + } + break; + + case 'commentStart': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === '-') { + /* U+002D HYPHEN-MINUS (-) + Switch to the comment start dash state. */ + $state = 'commentStartDash'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Emit the comment token. Switch to the + data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'incorrect-comment' + )); + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* EOF + Parse error. Emit the comment token. Reconsume the + EOF character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-comment' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Append the input character to the comment token's + data. Switch to the comment state. */ + $this->token['data'] .= $char; + $state = 'comment'; + } + break; + + case 'commentStartDash': + /* Consume the next input character: */ + $char = $this->stream->char(); + if ($char === '-') { + /* U+002D HYPHEN-MINUS (-) + Switch to the comment end state */ + $state = 'commentEnd'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Emit the comment token. Switch to the + data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'incorrect-comment' + )); + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* Parse error. Emit the comment token. Reconsume the + EOF character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-comment' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + $this->token['data'] .= '-' . $char; + $state = 'comment'; + } + break; + + case 'comment': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === '-') { + /* U+002D HYPHEN-MINUS (-) + Switch to the comment end dash state */ + $state = 'commentEndDash'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the comment token. Reconsume the EOF character + in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-comment' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Append the input character to the comment token's data. Stay in + the comment state. */ + $chars = $this->stream->charsUntil('-'); + + $this->token['data'] .= $char . $chars; + } + break; + + case 'commentEndDash': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === '-') { + /* U+002D HYPHEN-MINUS (-) + Switch to the comment end state */ + $state = 'commentEnd'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the comment token. Reconsume the EOF character + in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-comment-end-dash' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything 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; + $state = 'comment'; + } + break; + + case 'commentEnd': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the comment token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif($char === '-') { + /* U+002D HYPHEN-MINUS (-) + Parse error. Append a U+002D HYPHEN-MINUS (-) character + to the comment token's data. Stay in the comment end + state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-dash-after-double-dash-in-comment' + )); + $this->token['data'] .= '-'; + + } elseif($char === false) { + /* EOF + Parse error. Emit the comment token. Reconsume the + EOF character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-comment-double-dash' + )); + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Parse error. Append two U+002D HYPHEN-MINUS (-) + characters and the input character to the comment token's + data. Switch to the comment state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-comment' + )); + $this->token['data'] .= '--'.$char; + $state = 'comment'; + } + break; + + case 'doctype': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the before DOCTYPE name state. */ + $state = 'beforeDoctypeName'; + + } else { + /* Anything else + Parse error. Reconsume the current character in the + before DOCTYPE name state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'need-space-after-doctype' + )); + $this->stream->unget(); + $state = 'beforeDoctypeName'; + } + break; + + case 'beforeDoctypeName': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the before DOCTYPE name state. */ + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Create a new DOCTYPE token. Set its + force-quirks flag to on. Emit the token. Switch to the + data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-doctype-name-but-got-right-bracket' + )); + $this->emitToken(array( + 'name' => '', + 'type' => self::DOCTYPE, + 'force-quirks' => true, + 'error' => true + )); + + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Create a new DOCTYPE token. Set the token's name to the + lowercase version of the input character (add 0x0020 to + the character's code point). Switch to the DOCTYPE name + state. */ + $this->token = array( + 'name' => strtolower($char), + 'type' => self::DOCTYPE, + 'error' => true + ); + + $state = 'doctypeName'; + + } elseif($char === false) { + /* EOF + Parse error. Create a new DOCTYPE token. Set its + force-quirks flag to on. Emit the token. Reconsume the + EOF character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-doctype-name-but-got-eof' + )); + $this->emitToken(array( + 'name' => '', + 'type' => self::DOCTYPE, + 'force-quirks' => true, + 'error' => true + )); + + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Create a new DOCTYPE token. Set the token's name to the + current input character. Switch to the DOCTYPE name state. */ + $this->token = array( + 'name' => $char, + 'type' => self::DOCTYPE, + 'error' => true + ); + + $state = 'doctypeName'; + } + break; + + case 'doctypeName': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Switch to the after DOCTYPE name state. */ + $state = 'afterDoctypeName'; + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current DOCTYPE token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif('A' <= $char && $char <= 'Z') { + /* U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z + Append the lowercase version of the input character + (add 0x0020 to the character's code point) to the current + DOCTYPE token's name. Stay in the DOCTYPE name state. */ + $this->token['name'] .= strtolower($char); + + } elseif($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype-name' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Append the current input character to the current + DOCTYPE token's name. Stay in the DOCTYPE name state. */ + $this->token['name'] .= $char; + } + + // XXX this is probably some sort of quirks mode designation, + // check tree-builder to be sure. In general 'error' needs + // to be specc'ified, this probably means removing it at the end + $this->token['error'] = ($this->token['name'] === 'HTML') + ? false + : true; + break; + + case 'afterDoctypeName': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the after DOCTYPE name state. */ + + } elseif($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current DOCTYPE token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else */ + + $nextSix = strtoupper($char . $this->stream->charsWhile(self::ALPHA, 5)); + if ($nextSix === 'PUBLIC') { + /* If the next six characters are an ASCII + case-insensitive match for the word "PUBLIC", then + consume those characters and switch to the before + DOCTYPE public identifier state. */ + $state = 'beforeDoctypePublicIdentifier'; + + } elseif ($nextSix === 'SYSTEM') { + /* Otherwise, if the next six characters are an ASCII + case-insensitive match for the word "SYSTEM", then + consume those characters and switch to the before + DOCTYPE system identifier state. */ + $state = 'beforeDoctypeSystemIdentifier'; + + } else { + /* Otherwise, this is the parse error. Set the DOCTYPE + token's force-quirks flag to on. Switch to the bogus + DOCTYPE state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-space-or-right-bracket-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->token['error'] = true; + $state = 'bogusDoctype'; + } + } + break; + + case 'beforeDoctypePublicIdentifier': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the before DOCTYPE public identifier state. */ + } elseif ($char === '"') { + /* U+0022 QUOTATION MARK (") + Set the DOCTYPE token's public identifier to the empty + string (not missing), then switch to the DOCTYPE public + identifier (double-quoted) state. */ + $this->token['public'] = ''; + $state = 'doctypePublicIdentifierDoubleQuoted'; + } elseif ($char === "'") { + /* U+0027 APOSTROPHE (') + Set the DOCTYPE token's public identifier to the empty + string (not missing), then switch to the DOCTYPE public + identifier (single-quoted) state. */ + $this->token['public'] = ''; + $state = 'doctypePublicIdentifierSingleQuoted'; + } elseif ($char === '>') { + /* Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-end-of-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* Parse error. Set the DOCTYPE token's force-quirks + flag to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Parse error. Set the DOCTYPE token's force-quirks flag + to on. Switch to the bogus DOCTYPE state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-doctype' + )); + $this->token['force-quirks'] = true; + $state = 'bogusDoctype'; + } + break; + + case 'doctypePublicIdentifierDoubleQuoted': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === '"') { + /* U+0022 QUOTATION MARK (") + Switch to the after DOCTYPE public identifier state. */ + $state = 'afterDoctypePublicIdentifier'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-end-of-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Append the current input character to the current + DOCTYPE token's public identifier. Stay in the DOCTYPE + public identifier (double-quoted) state. */ + $this->token['public'] .= $char; + } + break; + + case 'doctypePublicIdentifierSingleQuoted': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === "'") { + /* U+0027 APOSTROPHE (') + Switch to the after DOCTYPE public identifier state. */ + $state = 'afterDoctypePublicIdentifier'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-end-of-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Append the current input character to the current + DOCTYPE token's public identifier. Stay in the DOCTYPE + public identifier (double-quoted) state. */ + $this->token['public'] .= $char; + } + break; + + case 'afterDoctypePublicIdentifier': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the after DOCTYPE public identifier state. */ + } elseif ($char === '"') { + /* U+0022 QUOTATION MARK (") + Set the DOCTYPE token's system identifier to the + empty string (not missing), then switch to the DOCTYPE + system identifier (double-quoted) state. */ + $this->token['system'] = ''; + $state = 'doctypeSystemIdentifierDoubleQuoted'; + } elseif ($char === "'") { + /* U+0027 APOSTROPHE (') + Set the DOCTYPE token's system identifier to the + empty string (not missing), then switch to the DOCTYPE + system identifier (single-quoted) state. */ + $this->token['system'] = ''; + $state = 'doctypeSystemIdentifierSingleQuoted'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current DOCTYPE token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* Parse error. Set the DOCTYPE token's force-quirks + flag to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Switch to the bogus DOCTYPE state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-doctype' + )); + $this->token['force-quirks'] = true; + $state = 'bogusDoctype'; + } + break; + + case 'beforeDoctypeSystemIdentifier': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the before DOCTYPE system identifier state. */ + } elseif ($char === '"') { + /* U+0022 QUOTATION MARK (") + Set the DOCTYPE token's system identifier to the empty + string (not missing), then switch to the DOCTYPE system + identifier (double-quoted) state. */ + $this->token['system'] = ''; + $state = 'doctypeSystemIdentifierDoubleQuoted'; + } elseif ($char === "'") { + /* U+0027 APOSTROPHE (') + Set the DOCTYPE token's system identifier to the empty + string (not missing), then switch to the DOCTYPE system + identifier (single-quoted) state. */ + $this->token['system'] = ''; + $state = 'doctypeSystemIdentifierSingleQuoted'; + } elseif ($char === '>') { + /* Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* Parse error. Set the DOCTYPE token's force-quirks + flag to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Parse error. Set the DOCTYPE token's force-quirks flag + to on. Switch to the bogus DOCTYPE state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-doctype' + )); + $this->token['force-quirks'] = true; + $state = 'bogusDoctype'; + } + break; + + case 'doctypeSystemIdentifierDoubleQuoted': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === '"') { + /* U+0022 QUOTATION MARK (") + Switch to the after DOCTYPE system identifier state. */ + $state = 'afterDoctypeSystemIdentifier'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-end-of-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Append the current input character to the current + DOCTYPE token's system identifier. Stay in the DOCTYPE + system identifier (double-quoted) state. */ + $this->token['system'] .= $char; + } + break; + + case 'doctypeSystemIdentifierSingleQuoted': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === "'") { + /* U+0027 APOSTROPHE (') + Switch to the after DOCTYPE system identifier state. */ + $state = 'afterDoctypeSystemIdentifier'; + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Switch to the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-end-of-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* EOF + Parse error. Set the DOCTYPE token's force-quirks flag + to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Append the current input character to the current + DOCTYPE token's system identifier. Stay in the DOCTYPE + system identifier (double-quoted) state. */ + $this->token['system'] .= $char; + } + break; + + case 'afterDoctypeSystemIdentifier': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if($char === "\t" || $char === "\n" || $char === "\x0c" || $char === ' ') { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + Stay in the after DOCTYPE system identifier state. */ + } elseif ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the current DOCTYPE token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + } elseif ($char === false) { + /* Parse error. Set the DOCTYPE token's force-quirks + flag to on. Emit that DOCTYPE token. Reconsume the EOF + character in the data state. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'eof-in-doctype' + )); + $this->token['force-quirks'] = true; + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + } else { + /* Anything else + Parse error. Switch to the bogus DOCTYPE state. + (This does not set the DOCTYPE token's force-quirks + flag to on.) */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'unexpected-char-in-doctype' + )); + $state = 'bogusDoctype'; + } + break; + + case 'bogusDoctype': + /* Consume the next input character: */ + $char = $this->stream->char(); + + if ($char === '>') { + /* U+003E GREATER-THAN SIGN (>) + Emit the DOCTYPE token. Switch to the data state. */ + $this->emitToken($this->token); + $state = 'data'; + + } elseif($char === false) { + /* EOF + Emit the DOCTYPE token. Reconsume the EOF character in + the data state. */ + $this->emitToken($this->token); + $this->stream->unget(); + $state = 'data'; + + } else { + /* Anything else + Stay in the bogus DOCTYPE state. */ + } + break; + + // case 'cdataSection': + + } + } + } + + /** + * Returns a serialized representation of the tree. + */ + public function save() { + return $this->tree->save(); + } + + /** + * Returns the input stream. + */ + public function stream() { + return $this->stream; + } + + private function consumeCharacterReference($allowed = false, $inattr = false) { + // This goes quite far against spec, and is far closer to the Python + // impl., mainly because we don't do the large unconsuming the spec + // requires. + + // All consumed characters. + $chars = $this->stream->char(); + + /* This section defines how to consume a character + reference. This definition is used when parsing character + references in text and in attributes. + + The behavior depends on the identity of the next character + (the one immediately after the U+0026 AMPERSAND character): */ + + if ( + $chars[0] === "\x09" || + $chars[0] === "\x0A" || + $chars[0] === "\x0C" || + $chars[0] === "\x20" || + $chars[0] === '<' || + $chars[0] === '&' || + $chars === false || + $chars[0] === $allowed + ) { + /* U+0009 CHARACTER TABULATION + U+000A LINE FEED (LF) + U+000C FORM FEED (FF) + U+0020 SPACE + U+003C LESS-THAN SIGN + U+0026 AMPERSAND + EOF + The additional allowed character, if there is one + Not a character reference. No characters are consumed, + and nothing is returned. (This is not an error, either.) */ + // We already consumed, so unconsume. + $this->stream->unget(); + return '&'; + } elseif ($chars[0] === '#') { + /* Consume the U+0023 NUMBER SIGN. */ + // Um, yeah, we already did that. + /* The behavior further depends on the character after + the U+0023 NUMBER SIGN: */ + $chars .= $this->stream->char(); + if (isset($chars[1]) && ($chars[1] === 'x' || $chars[1] === 'X')) { + /* U+0078 LATIN SMALL LETTER X + U+0058 LATIN CAPITAL LETTER X */ + /* Consume the X. */ + // Um, yeah, we already did that. + /* 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, 0123456789, ABCDEF, abcdef). */ + $char_class = self::HEX; + /* When it comes to interpreting the + number, interpret it as a hexadecimal number. */ + $hex = true; + } else { + /* Anything else */ + // Unconsume because we shouldn't have consumed this. + $chars = $chars[0]; + $this->stream->unget(); + /* Follow the steps below, but using the range of + characters U+0030 DIGIT ZERO through to U+0039 DIGIT + NINE (i.e. just 0123456789). */ + $char_class = self::DIGIT; + /* When it comes to interpreting the number, + interpret it as a decimal number. */ + $hex = false; + } + + /* Consume as many characters as match the range of characters given above. */ + $consumed = $this->stream->charsWhile($char_class); + if ($consumed === '' || $consumed === false) { + /* If no characters match the range, then don't consume + any characters (and unconsume the U+0023 NUMBER SIGN + character and, if appropriate, the X character). This + is a parse error; nothing is returned. */ + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-numeric-entity' + )); + return '&' . $chars; + } else { + /* Otherwise, if the next character is a U+003B SEMICOLON, + consume that too. If it isn't, there is a parse error. */ + if ($this->stream->char() !== ';') { + $this->stream->unget(); + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'numeric-entity-without-semicolon' + )); + } + + /* If one or more characters match the range, then take + them all and interpret the string of characters as a number + (either hexadecimal or decimal as appropriate). */ + $codepoint = $hex ? hexdec($consumed) : (int) $consumed; + + /* If that number is one of the numbers in the first column + of the following table, then this is a parse error. Find the + row with that number in the first column, and return a + character token for the Unicode character given in the + second column of that row. */ + $new_codepoint = HTML5_Data::getRealCodepoint($codepoint); + if ($new_codepoint) { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'illegal-windows-1252-entity' + )); + $codepoint = $new_codepoint; + } else { + /* Otherwise, if the number is in the range 0x0000 to 0x0008, + U+000B, U+000E to 0x001F, 0x007F to 0x009F, 0xD800 to 0xDFFF , + 0xFDD0 to 0xFDEF, or is one of 0xFFFE, 0xFFFF, 0x1FFFE, 0x1FFFF, + 0x2FFFE, 0x2FFFF, 0x3FFFE, 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, + 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, 0x8FFFF, + 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, 0xBFFFF, 0xCFFFE, + 0xCFFFF, 0xDFFFE, 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, + 0x10FFFE, or 0x10FFFF, or is higher than 0x10FFFF, then this + is a parse error; return a character token for the U+FFFD + REPLACEMENT CHARACTER character instead. */ + // && has higher precedence than || + if ( + $codepoint >= 0x0000 && $codepoint <= 0x0008 || + $codepoint === 0x000B || + $codepoint >= 0x000E && $codepoint <= 0x001F || + $codepoint >= 0x007F && $codepoint <= 0x009F || + $codepoint >= 0xD800 && $codepoint <= 0xDFFF || + $codepoint >= 0xFDD0 && $codepoint <= 0xFDEF || + ($codepoint & 0xFFFE) === 0xFFFE || + $codepoint > 0x10FFFF + ) { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'illegal-codepoint-for-numeric-entity' + )); + $codepoint = 0xFFFD; + } + } + + /* Otherwise, return a character token for the Unicode + character whose code point is that number. */ + return HTML5_Data::utf8chr($codepoint); + } + + } else { + /* Anything else */ + + /* Consume the maximum number of characters possible, + with the consumed characters matching one of the + identifiers in the first column of the named character + references table (in a case-sensitive manner). */ + + // we will implement this by matching the longest + // alphanumeric + semicolon string, and then working + // our way backwards + $chars .= $this->stream->charsWhile(self::DIGIT . self::ALPHA . ';', HTML5_Data::getNamedCharacterReferenceMaxLength() - 1); + $len = strlen($chars); + + $refs = HTML5_Data::getNamedCharacterReferences(); + $codepoint = false; + for($c = $len; $c > 0; $c--) { + $id = substr($chars, 0, $c); + if(isset($refs[$id])) { + $codepoint = $refs[$id]; + break; + } + } + + /* If no match can be made, then this is a parse error. + No characters are consumed, and nothing is returned. */ + if (!$codepoint) { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'expected-named-entity' + )); + return '&' . $chars; + } + + /* If the last character matched is not a U+003B SEMICOLON + (;), there is a parse error. */ + $semicolon = true; + if (substr($id, -1) !== ';') { + $this->emitToken(array( + 'type' => self::PARSEERROR, + 'data' => 'named-entity-without-semicolon' + )); + $semicolon = false; + } + + + /* If the character reference is being consumed as part of + an attribute, and the last character matched is not a + U+003B SEMICOLON (;), and the next character is in the + range U+0030 DIGIT ZERO to U+0039 DIGIT NINE, U+0041 + LATIN CAPITAL LETTER A to U+005A LATIN CAPITAL LETTER Z, + or U+0061 LATIN SMALL LETTER A to U+007A LATIN SMALL LETTER Z, + then, for historical reasons, all the characters that were + matched after the U+0026 AMPERSAND (&) must be unconsumed, + and nothing is returned. */ + if ( + $inattr && !$semicolon && + strspn(substr($chars, $c, 1), self::ALPHA . self::DIGIT) + ) { + return '&' . $chars; + } + + /* Otherwise, return a character token for the character + corresponding to the character reference name (as given + by the second column of the named character references table). */ + return HTML5_Data::utf8chr($codepoint) . substr($chars, $c); + } + } + + private function characterReferenceInAttributeValue($allowed = false) { + /* Attempt to consume a character reference. */ + $entity = $this->consumeCharacterReference($allowed, true); + + /* If nothing is returned, append a U+0026 AMPERSAND + character to the current attribute's value. + + Otherwise, append the returned character token to the + current attribute's value. */ + $char = (!$entity) + ? '&' + : $entity; + + $last = count($this->token['attr']) - 1; + $this->token['attr'][$last]['value'] .= $char; + + /* Finally, switch back to the attribute value state that you + were in when were switched into this state. */ + } + + /** + * Emits a token, passing it on to the tree builder. + */ + protected function emitToken($token, $checkStream = true) { + if ($checkStream) { + // Emit errors from input stream. + while ($this->stream->errors) { + $this->emitToken(array_shift($this->stream->errors), false); + } + } + + // the current structure of attributes is not a terribly good one + $this->tree->emitToken($token); + + if(is_int($this->tree->content_model)) { + $this->content_model = $this->tree->content_model; + $this->tree->content_model = null; + + } elseif($token['type'] === self::ENDTAG) { + $this->content_model = self::PCDATA; + } + } +} + diff --git a/library/HTML5/TreeBuilder.php b/library/HTML5/TreeBuilder.php new file mode 100644 index 000000000..03e2ee77f --- /dev/null +++ b/library/HTML5/TreeBuilder.php @@ -0,0 +1,3715 @@ +<?php + +/* + +Copyright 2007 Jeroen van der Meer <http://jero.net/> +Copyright 2009 Edward Z. Yang <edwardzyang@thewritingpot.com> + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +// Tags for FIX ME!!!: (in order of priority) +// XXX - should be fixed NAO! +// XERROR - with regards to parse errors +// XSCRIPT - with regards to scripting mode +// XENCODING - with regards to encoding (for reparsing tests) + +class HTML5_TreeBuilder { + public $stack = array(); + public $content_model; + + private $mode; + private $original_mode; + private $secondary_mode; + private $dom; + // Whether or not normal insertion of nodes should actually foster + // parent (used in one case in spec) + private $foster_parent = false; + private $a_formatting = array(); + + private $head_pointer = null; + private $form_pointer = null; + + private $flag_frameset_ok = true; + private $flag_force_quirks = false; + private $ignored = false; + private $quirks_mode = null; + // this gets to 2 when we want to ignore the next lf character, and + // is decrement at the beginning of each processed token (this way, + // code can check for (bool)$ignore_lf_token, but it phases out + // appropriately) + private $ignore_lf_token = 0; + private $fragment = false; + private $root; + + private $scoping = array('applet','button','caption','html','marquee','object','table','td','th', 'svg:foreignObject'); + private $formatting = array('a','b','big','code','em','font','i','nobr','s','small','strike','strong','tt','u'); + private $special = array('address','area','article','aside','base','basefont','bgsound', + 'blockquote','body','br','center','col','colgroup','command','dd','details','dialog','dir','div','dl', + 'dt','embed','fieldset','figure','footer','form','frame','frameset','h1','h2','h3','h4','h5', + 'h6','head','header','hgroup','hr','iframe','img','input','isindex','li','link', + 'listing','menu','meta','nav','noembed','noframes','noscript','ol', + 'p','param','plaintext','pre','script','select','spacer','style', + 'tbody','textarea','tfoot','thead','title','tr','ul','wbr'); + + // Tree construction modes + const INITIAL = 0; + const BEFORE_HTML = 1; + const BEFORE_HEAD = 2; + const IN_HEAD = 3; + const IN_HEAD_NOSCRIPT = 4; + const AFTER_HEAD = 5; + const IN_BODY = 6; + const IN_CDATA_RCDATA = 7; + const IN_TABLE = 8; + const IN_CAPTION = 9; + const IN_COLUMN_GROUP = 10; + const IN_TABLE_BODY = 11; + const IN_ROW = 12; + const IN_CELL = 13; + const IN_SELECT = 14; + const IN_SELECT_IN_TABLE= 15; + const IN_FOREIGN_CONTENT= 16; + const AFTER_BODY = 17; + const IN_FRAMESET = 18; + const AFTER_FRAMESET = 19; + const AFTER_AFTER_BODY = 20; + const AFTER_AFTER_FRAMESET = 21; + + /** + * Converts a magic number to a readable name. Use for debugging. + */ + private function strConst($number) { + static $lookup; + if (!$lookup) { + $r = new ReflectionClass('HTML5_TreeBuilder'); + $lookup = array_flip($r->getConstants()); + } + return $lookup[$number]; + } + + // The different types of elements. + const SPECIAL = 100; + const SCOPING = 101; + const FORMATTING = 102; + const PHRASING = 103; + + // Quirks modes in $quirks_mode + const NO_QUIRKS = 200; + const QUIRKS_MODE = 201; + const LIMITED_QUIRKS_MODE = 202; + + // Marker to be placed in $a_formatting + const MARKER = 300; + + // Namespaces for foreign content + const NS_HTML = null; // to prevent DOM from requiring NS on everything + const NS_MATHML = 'http://www.w3.org/1998/Math/MathML'; + const NS_SVG = 'http://www.w3.org/2000/svg'; + const NS_XLINK = 'http://www.w3.org/1999/xlink'; + const NS_XML = 'http://www.w3.org/XML/1998/namespace'; + const NS_XMLNS = 'http://www.w3.org/2000/xmlns/'; + + public function __construct() { + $this->mode = self::INITIAL; + $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, $mode = null) { + // XXX: ignore parse errors... why are we emitting them, again? + if ($token['type'] === HTML5_Tokenizer::PARSEERROR) return; + if ($mode === null) $mode = $this->mode; + + /* + $backtrace = debug_backtrace(); + if ($backtrace[1]['class'] !== 'HTML5_TreeBuilder') echo "--\n"; + echo $this->strConst($mode); + if ($this->original_mode) echo " (originally ".$this->strConst($this->original_mode).")"; + echo "\n "; + token_dump($token); + $this->printStack(); + $this->printActiveFormattingElements(); + if ($this->foster_parent) echo " -> this is a foster parent mode\n"; + */ + + if ($this->ignore_lf_token) $this->ignore_lf_token--; + $this->ignored = false; + // indenting is a little wonky, this can be changed later on + switch ($mode) { + + case self::INITIAL: + + /* A character token that is one of U+0009 CHARACTER TABULATION, + * U+000A LINE FEED (LF), U+000C FORM FEED (FF), or U+0020 SPACE */ + if ($token['type'] === HTML5_Tokenizer::SPACECHARACTER) { + /* Ignore the token. */ + $this->ignored = true; + } elseif ($token['type'] === HTML5_Tokenizer::DOCTYPE) { + if ( + $token['name'] !== 'html' || !empty($token['public']) || + !empty($token['system']) || $token !== 'about:legacy-compat' + ) { + /* If the DOCTYPE token's name is not a case-sensitive match + * for the string "html", or if the token's public identifier + * is not missing, or if the token's system identifier is + * neither missing nor a case-sensitive match for the string + * "about:legacy-compat", then there is a parse error (this + * is the DOCTYPE parse error). */ + // DOCTYPE parse error + } + /* Append a DocumentType node to the Document node, with the name + * attribute set to the name given in the DOCTYPE token, or the + * empty string if the name was missing; the publicId attribute + * set to the public identifier given in the DOCTYPE token, or + * the empty string if the public identifier was missing; the + * systemId attribute set to the system identifier given in the + * DOCTYPE token, or the empty string if the system identifier + * was missing; and the other attributes specific to + * DocumentType objects set to null and empty lists as + * appropriate. Associate the DocumentType node with the + * Document object so that it is returned as the value of the + * doctype attribute of the Document object. */ + if (!isset($token['public'])) $token['public'] = null; + if (!isset($token['system'])) $token['system'] = null; + // Yes this is hacky. I'm kind of annoyed that I can't appendChild + // a doctype to DOMDocument. Maybe I haven't chanted the right + // syllables. + $impl = new DOMImplementation(); + // This call can fail for particularly pathological cases (namely, + // the qualifiedName parameter ($token['name']) could be missing. + if ($token['name']) { + $doctype = $impl->createDocumentType($token['name'], $token['public'], $token['system']); + $this->dom->appendChild($doctype); + } else { + // It looks like libxml's not actually *able* to express this case. + // So... don't. + $this->dom->emptyDoctype = true; + } + $public = is_null($token['public']) ? false : strtolower($token['public']); + $system = is_null($token['system']) ? false : strtolower($token['system']); + $publicStartsWithForQuirks = array( + "+//silmaril//dtd html pro v0r11 19970101//", + "-//advasoft ltd//dtd html 3.0 aswedit + extensions//", + "-//as//dtd html 3.0 aswedit + extensions//", + "-//ietf//dtd html 2.0 level 1//", + "-//ietf//dtd html 2.0 level 2//", + "-//ietf//dtd html 2.0 strict level 1//", + "-//ietf//dtd html 2.0 strict level 2//", + "-//ietf//dtd html 2.0 strict//", + "-//ietf//dtd html 2.0//", + "-//ietf//dtd html 2.1e//", + "-//ietf//dtd html 3.0//", + "-//ietf//dtd html 3.2 final//", + "-//ietf//dtd html 3.2//", + "-//ietf//dtd html 3//", + "-//ietf//dtd html level 0//", + "-//ietf//dtd html level 1//", + "-//ietf//dtd html level 2//", + "-//ietf//dtd html level 3//", + "-//ietf//dtd html strict level 0//", + "-//ietf//dtd html strict level 1//", + "-//ietf//dtd html strict level 2//", + "-//ietf//dtd html strict level 3//", + "-//ietf//dtd html strict//", + "-//ietf//dtd html//", + "-//metrius//dtd metrius presentational//", + "-//microsoft//dtd internet explorer 2.0 html strict//", + "-//microsoft//dtd internet explorer 2.0 html//", + "-//microsoft//dtd internet explorer 2.0 tables//", + "-//microsoft//dtd internet explorer 3.0 html strict//", + "-//microsoft//dtd internet explorer 3.0 html//", + "-//microsoft//dtd internet explorer 3.0 tables//", + "-//netscape comm. corp.//dtd html//", + "-//netscape comm. corp.//dtd strict html//", + "-//o'reilly and associates//dtd html 2.0//", + "-//o'reilly and associates//dtd html extended 1.0//", + "-//o'reilly and associates//dtd html extended relaxed 1.0//", + "-//spyglass//dtd html 2.0 extended//", + "-//sq//dtd html 2.0 hotmetal + extensions//", + "-//sun microsystems corp.//dtd hotjava html//", + "-//sun microsystems corp.//dtd hotjava strict html//", + "-//w3c//dtd html 3 1995-03-24//", + "-//w3c//dtd html 3.2 draft//", + "-//w3c//dtd html 3.2 final//", + "-//w3c//dtd html 3.2//", + "-//w3c//dtd html 3.2s draft//", + "-//w3c//dtd html 4.0 frameset//", + "-//w3c//dtd html 4.0 transitional//", + "-//w3c//dtd html experimental 19960712//", + "-//w3c//dtd html experimental 970421//", + "-//w3c//dtd w3 html//", + "-//w3o//dtd w3 html 3.0//", + "-//webtechs//dtd mozilla html 2.0//", + "-//webtechs//dtd mozilla html//", + ); + $publicSetToForQuirks = array( + "-//w3o//dtd w3 html strict 3.0//", + "-/w3c/dtd html 4.0 transitional/en", + "html", + ); + $publicStartsWithAndSystemForQuirks = array( + "-//w3c//dtd html 4.01 frameset//", + "-//w3c//dtd html 4.01 transitional//", + ); + $publicStartsWithForLimitedQuirks = array( + "-//w3c//dtd xhtml 1.0 frameset//", + "-//w3c//dtd xhtml 1.0 transitional//", + ); + $publicStartsWithAndSystemForLimitedQuirks = array( + "-//w3c//dtd html 4.01 frameset//", + "-//w3c//dtd html 4.01 transitional//", + ); + // first, do easy checks + if ( + !empty($token['force-quirks']) || + strtolower($token['name']) !== 'html' + ) { + $this->quirks_mode = self::QUIRKS_MODE; + } else { + do { + if ($system) { + foreach ($publicStartsWithAndSystemForQuirks as $x) { + if (strncmp($public, $x, strlen($x)) === 0) { + $this->quirks_mode = self::QUIRKS_MODE; + break; + } + } + if (!is_null($this->quirks_mode)) break; + foreach ($publicStartsWithAndSystemForLimitedQuirks as $x) { + if (strncmp($public, $x, strlen($x)) === 0) { + $this->quirks_mode = self::LIMITED_QUIRKS_MODE; + break; + } + } + if (!is_null($this->quirks_mode)) break; + } + foreach ($publicSetToForQuirks as $x) { + if ($public === $x) { + $this->quirks_mode = self::QUIRKS_MODE; + break; + } + } + if (!is_null($this->quirks_mode)) break; + foreach ($publicStartsWithForLimitedQuirks as $x) { + if (strncmp($public, $x, strlen($x)) === 0) { + $this->quirks_mode = self::LIMITED_QUIRKS_MODE; + } + } + if (!is_null($this->quirks_mode)) break; + if ($system === "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd") { + $this->quirks_mode = self::QUIRKS_MODE; + break; + } + foreach ($publicStartsWithForQuirks as $x) { + if (strncmp($public, $x, strlen($x)) === 0) { + $this->quirks_mode = self::QUIRKS_MODE; + break; + } + } + if (is_null($this->quirks_mode)) { + $this->quirks_mode = self::NO_QUIRKS; + } + } while (false); + } + $this->mode = self::BEFORE_HTML; + } else { + // parse error + /* Switch the insertion mode to "before html", then reprocess the + * current token. */ + $this->mode = self::BEFORE_HTML; + $this->quirks_mode = self::QUIRKS_MODE; + $this->emitToken($token); + } + break; + + case self::BEFORE_HTML: + + /* A DOCTYPE token */ + if($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // Parse error. Ignore the token. + $this->ignored = true; + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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_Tokenizer::SPACECHARACTER) { + /* Ignore the token. */ + $this->ignored = true; + + /* A start tag whose tag name is "html" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] == 'html') { + /* Create an element for the token in the HTML namespace. Append it + * to the Document object. Put this element in the stack of open + * elements. */ + $html = $this->insertElement($token, false); + $this->dom->appendChild($html); + $this->stack[] = $html; + + $this->mode = self::BEFORE_HEAD; + + } else { + /* Create an html element. Append it to the Document object. Put + * this element in the stack of open elements. */ + $html = $this->dom->createElementNS(self::NS_HTML, 'html'); + $this->dom->appendChild($html); + $this->stack[] = $html; + + /* Switch the insertion mode to "before head", then reprocess the + * current token. */ + $this->mode = self::BEFORE_HEAD; + $this->emitToken($token); + } + break; + + case self::BEFORE_HEAD: + + /* 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_Tokenizer::SPACECHARACTER) { + /* Ignore the token. */ + $this->ignored = true; + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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 DOCTYPE token */ + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE) { + /* Parse error. Ignore the token */ + $this->ignored = true; + // parse error + + /* A start tag token with the tag name "html" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + /* Process the token using the rules for the "in body" + * insertion mode. */ + $this->processWithRulesFor($token, self::IN_BODY); + + /* A start tag token with the tag name "head" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'head') { + /* Insert an HTML element for the token. */ + $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; + + /* An end tag whose tag name is one of: "head", "body", "html", "br" */ + } elseif( + $token['type'] === HTML5_Tokenizer::ENDTAG && ( + $token['name'] === 'head' || $token['name'] === 'body' || + $token['name'] === 'html' || $token['name'] === 'br' + )) { + /* Act as if a start tag token with the tag name "head" and no + * attributes had been seen, then reprocess the current token. */ + $this->emitToken(array( + 'name' => 'head', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + $this->emitToken($token); + + /* Any other end tag */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG) { + /* Parse error. Ignore the token. */ + $this->ignored = true; + + } else { + /* Act as if a start tag token with the tag name "head" and no + * attributes had been seen, then reprocess the current token. + * Note: This will result in an empty head element being + * generated, with the current token being reprocessed in the + * "after head" insertion mode. */ + $this->emitToken(array( + 'name' => 'head', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + $this->emitToken($token); + } + break; + + case self::IN_HEAD: + + /* 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_Tokenizer::SPACECHARACTER) { + /* Insert the character into the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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 DOCTYPE token */ + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE) { + /* Parse error. Ignore the token. */ + $this->ignored = true; + // parse error + + /* A start tag whose tag name is "html" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + + /* A start tag whose tag name is one of: "base", "command", "link" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + ($token['name'] === 'base' || $token['name'] === 'command' || + $token['name'] === 'link')) { + /* Insert an HTML element for the token. Immediately pop the + * current node off the stack of open elements. */ + $this->insertElement($token); + array_pop($this->stack); + + // YYY: Acknowledge the token's self-closing flag, if it is set. + + /* A start tag whose tag name is "meta" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'meta') { + /* Insert an HTML element for the token. Immediately pop the + * current node off the stack of open elements. */ + $this->insertElement($token); + array_pop($this->stack); + + // XERROR: Acknowledge the token's self-closing flag, if it is set. + + // XENCODING: If the element has a charset attribute, and its value is a + // supported encoding, and the confidence is currently tentative, + // then change the encoding to the encoding given by the value of + // the charset attribute. + // + // Otherwise, if the element has a content attribute, and applying + // the algorithm for extracting an encoding from a Content-Type to + // its value returns a supported encoding encoding, and the + // confidence is currently tentative, then change the encoding to + // the encoding encoding. + + /* A start tag with the tag name "title" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'title') { + $this->insertRCDATAElement($token); + + /* A start tag whose tag name is "noscript", if the scripting flag is enabled, or + * A start tag whose tag name is one of: "noframes", "style" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + ($token['name'] === 'noscript' || $token['name'] === 'noframes' || $token['name'] === 'style')) { + // XSCRIPT: Scripting flag not respected + $this->insertCDATAElement($token); + + // XSCRIPT: Scripting flag disable not implemented + + /* A start tag with the tag name "script" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'script') { + /* 1. Create an element for the token in the HTML namespace. */ + $node = $this->insertElement($token, false); + + /* 2. Mark the element as being "parser-inserted" */ + // Uhhh... XSCRIPT + + /* 3. If the parser was originally created for the HTML + * fragment parsing algorithm, then mark the script element as + * "already executed". (fragment case) */ + // ditto... XSCRIPT + + /* 4. Append the new element to the current node and push it onto + * the stack of open elements. */ + end($this->stack)->appendChild($node); + $this->stack[] = $node; + // I guess we could squash these together + + /* 6. Let the original insertion mode be the current insertion mode. */ + $this->original_mode = $this->mode; + /* 7. Switch the insertion mode to "in CDATA/RCDATA" */ + $this->mode = self::IN_CDATA_RCDATA; + /* 5. Switch the tokeniser's content model flag to the CDATA state. */ + $this->content_model = HTML5_Tokenizer::CDATA; + + /* An end tag with the tag name "head" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'head') { + /* Pop the current node (which will be the head element) off the stack of open elements. */ + array_pop($this->stack); + + /* Change the insertion mode to "after head". */ + $this->mode = self::AFTER_HEAD; + + // Slight logic inversion here to minimize duplication + /* A start tag with the tag name "head". */ + /* An end tag whose tag name is not one of: "body", "html", "br" */ + } elseif(($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'head') || + ($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] !== 'html' && + $token['name'] !== 'body' && $token['name'] !== 'br')) { + // Parse error. Ignore the token. + $this->ignored = true; + + /* Anything else */ + } else { + /* Act as if an end tag token with the tag name "head" had been + * seen, and reprocess the current token. */ + $this->emitToken(array( + 'name' => 'head', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + /* Then, reprocess the current token. */ + $this->emitToken($token); + } + break; + + case self::IN_HEAD_NOSCRIPT: + if ($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + } elseif ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + } elseif ($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'noscript') { + /* Pop the current node (which will be a noscript element) from the + * stack of open elements; the new current node will be a head + * element. */ + array_pop($this->stack); + $this->mode = self::IN_HEAD; + } elseif ( + ($token['type'] === HTML5_Tokenizer::SPACECHARACTER) || + ($token['type'] === HTML5_Tokenizer::COMMENT) || + ($token['type'] === HTML5_Tokenizer::STARTTAG && ( + $token['name'] === 'link' || $token['name'] === 'meta' || + $token['name'] === 'noframes' || $token['name'] === 'style'))) { + $this->processWithRulesFor($token, self::IN_HEAD); + // inverted logic + } elseif ( + ($token['type'] === HTML5_Tokenizer::STARTTAG && ( + $token['name'] === 'head' || $token['name'] === 'noscript')) || + ($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] !== 'br')) { + // parse error + } else { + // parse error + $this->emitToken(array( + 'type' => HTML5_Tokenizer::ENDTAG, + 'name' => 'noscript', + )); + $this->emitToken($token); + } + break; + + case self::AFTER_HEAD: + /* 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_Tokenizer::SPACECHARACTER) { + /* Append the character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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 ($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + } elseif ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + + /* A start tag token with the tag name "body" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'body') { + $this->insertElement($token); + + /* Set the frameset-ok flag to "not ok". */ + $this->flag_frameset_ok = false; + + /* 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_Tokenizer::STARTTAG && $token['name'] === 'frameset') { + /* Insert a frameset element for the token. */ + $this->insertElement($token); + + /* Change the insertion mode to "in frameset". */ + $this->mode = self::IN_FRAMESET; + + /* A start tag token whose tag name is one of: "base", "link", "meta", + "script", "style", "title" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && in_array($token['name'], + array('base', 'link', 'meta', 'noframes', 'script', 'style', 'title'))) { + // parse error + /* Push the node pointed to by the head element pointer onto the + * stack of open elements. */ + $this->stack[] = $this->head_pointer; + $this->processWithRulesFor($token, self::IN_HEAD); + array_splice($this->stack, array_search($this->head_pointer, $this->stack, true), 1); + + // inversion of specification + } elseif( + ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'head') || + ($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] !== 'body' && $token['name'] !== 'html' && + $token['name'] !== 'br')) { + // parse error + + /* Anything else */ + } else { + $this->emitToken(array( + 'name' => 'body', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + $this->flag_frameset_ok = true; + $this->emitToken($token); + } + break; + + case self::IN_BODY: + /* Handle the token as follows: */ + + switch($token['type']) { + /* A character token */ + case HTML5_Tokenizer::CHARACTER: + case HTML5_Tokenizer::SPACECHARACTER: + /* Reconstruct the active formatting elements, if any. */ + $this->reconstructActiveFormattingElements(); + + /* Append the token's character to the current node. */ + $this->insertText($token['data']); + + /* If the token is not one of U+0009 CHARACTER TABULATION, + * U+000A LINE FEED (LF), U+000C FORM FEED (FF), or U+0020 + * SPACE, then set the frameset-ok flag to "not ok". */ + // i.e., if any of the characters is not whitespace + if (strlen($token['data']) !== strspn($token['data'], HTML5_Tokenizer::WHITESPACE)) { + $this->flag_frameset_ok = false; + } + break; + + /* A comment token */ + case HTML5_Tokenizer::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_Tokenizer::DOCTYPE: + // parse error + break; + + case HTML5_Tokenizer::STARTTAG: + switch($token['name']) { + case 'html': + // parse error + /* For each attribute on the token, check to see if the + * attribute is already present on the top element of the + * stack of open elements. If it is not, add the attribute + * and its corresponding value to that element. */ + foreach($token['attr'] as $attr) { + if(!$this->stack[0]->hasAttribute($attr['name'])) { + $this->stack[0]->setAttribute($attr['name'], $attr['value']); + } + } + break; + + case 'base': case 'command': case 'link': case 'meta': case 'noframes': + case 'script': case 'style': case 'title': + /* Process the token as if the insertion mode had been "in + head". */ + $this->processWithRulesFor($token, self::IN_HEAD); + 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. + (fragment case) */ + if(count($this->stack) === 1 || $this->stack[1]->tagName !== 'body') { + $this->ignored = true; + // Ignore + + /* Otherwise, for each attribute on the token, check to see + if the attribute is already present on the body element (the + second element) on the stack of open elements. If it is not, + add the attribute and its corresponding value to that + element. */ + } else { + foreach($token['attr'] as $attr) { + if(!$this->stack[1]->hasAttribute($attr['name'])) { + $this->stack[1]->setAttribute($attr['name'], $attr['value']); + } + } + } + break; + + case 'frameset': + // parse error + /* If the second element on the stack of open elements is + * not a body element, or, if the stack of open elements + * has only one node on it, then ignore the token. + * (fragment case) */ + if(count($this->stack) === 1 || $this->stack[1]->tagName !== 'body') { + $this->ignored = true; + // Ignore + } elseif (!$this->flag_frameset_ok) { + $this->ignored = true; + // Ignore + } else { + /* 1. Remove the second element on the stack of open + * elements from its parent node, if it has one. */ + if($this->stack[1]->parentNode) { + $this->stack[1]->parentNode->removeChild($this->stack[1]); + } + + /* 2. Pop all the nodes from the bottom of the stack of + * open elements, from the current node up to the root + * html element. */ + array_splice($this->stack, 1); + + $this->insertElement($token); + $this->mode = self::IN_FRAMESET; + } + break; + + // in spec, there is a diversion here + + case 'address': case 'article': case 'aside': case 'blockquote': + case 'center': case 'datagrid': case 'details': case 'dialog': case 'dir': + case 'div': case 'dl': case 'fieldset': case 'figure': case 'footer': + case 'header': case 'hgroup': case 'menu': case 'nav': + case 'ol': case 'p': case 'section': case 'ul': + /* If the stack of open elements has a p element in scope, + then act as if an end tag with the tag name p had been + seen. */ + if($this->elementInScope('p')) { + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + 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_Tokenizer::ENDTAG + )); + } + + /* If the current node is an element whose tag name is one + * of "h1", "h2", "h3", "h4", "h5", or "h6", then this is a + * parse error; pop the current node off the stack of open + * elements. */ + $peek = array_pop($this->stack); + if (in_array($peek->tagName, array("h1", "h2", "h3", "h4", "h5", "h6"))) { + // parse error + } else { + $this->stack[] = $peek; + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + break; + + case 'pre': case 'listing': + /* 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_Tokenizer::ENDTAG + )); + } + $this->insertElement($token); + /* If the next token is a U+000A LINE FEED (LF) character + * token, then ignore that token and move on to the next + * one. (Newlines at the start of pre blocks are ignored as + * an authoring convenience.) */ + $this->ignore_lf_token = 2; + $this->flag_frameset_ok = false; + break; + + /* A start tag whose tag name is "form" */ + case 'form': + /* If the form element pointer is not null, ignore the + token with a parse error. */ + if($this->form_pointer !== null) { + $this->ignored = true; + // Ignore. + + /* Otherwise: */ + } else { + /* If the stack of open elements has a p element in + scope, then act as if an end tag with the tag name p + had been seen. */ + if($this->elementInScope('p')) { + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::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; + + // condensed specification + case 'li': case 'dd': case 'dt': + /* 1. Set the frameset-ok flag to "not ok". */ + $this->flag_frameset_ok = false; + + $stack_length = count($this->stack) - 1; + for($n = $stack_length; 0 <= $n; $n--) { + /* 2. Initialise node to be the current node (the + bottommost node of the stack). */ + $stop = false; + $node = $this->stack[$n]; + $cat = $this->getElementCategory($node); + + // for case 'li': + /* 3. If node is an li element, then act as if an end + * tag with the tag name "li" had been seen, then jump + * to the last step. */ + // for case 'dd': case 'dt': + /* If node is a dd or dt element, then act as if an end + * tag with the same tag name as node had been seen, then + * jump to the last step. */ + if(($token['name'] === 'li' && $node->tagName === 'li') || + ($token['name'] !== 'li' && ($node->tagName === 'dd' || $node->tagName === 'dt'))) { // limited conditional + $this->emitToken(array( + 'type' => HTML5_Tokenizer::ENDTAG, + 'name' => $node->tagName, + )); + break; + } + + /* 4. If node is not in the formatting category, and is + not in the phrasing category, and is not an address, + div or p element, then stop this algorithm. */ + if($cat !== self::FORMATTING && $cat !== self::PHRASING && + $node->tagName !== 'address' && $node->tagName !== 'div' && + $node->tagName !== 'p') { + break; + } + + /* 5. Otherwise, set node to the previous entry in the + * stack of open elements and return to step 2. */ + } + + /* 6. This is the last step. */ + + /* If the stack of open elements has a p element in scope, + then act as if an end tag with the tag name p had been + seen. */ + if($this->elementInScope('p')) { + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* 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_Tokenizer::ENDTAG + )); + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + $this->content_model = HTML5_Tokenizer::PLAINTEXT; + break; + + // more diversions + + /* 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]->tagName === 'a') { + $a = $this->a_formatting[$n]; + $this->emitToken(array( + 'name' => 'a', + 'type' => HTML5_Tokenizer::ENDTAG + )); + if (in_array($a, $this->a_formatting)) { + $a_i = array_search($a, $this->a_formatting, true); + if($a_i !== false) array_splice($this->a_formatting, $a_i, 1); + } + if (in_array($a, $this->stack)) { + $a_i = array_search($a, $this->stack, true); + if ($a_i !== false) array_splice($this->stack, $a_i, 1); + } + 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; + + case 'b': case 'big': case 'code': case 'em': case 'font': case 'i': + 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; + + case 'nobr': + /* Reconstruct the active formatting elements, if any. */ + $this->reconstructActiveFormattingElements(); + + /* If the stack of open elements has a nobr element in + * scope, then this is a parse error; act as if an end tag + * with the tag name "nobr" had been seen, then once again + * reconstruct the active formatting elements, if any. */ + if ($this->elementInScope('nobr')) { + $this->emitToken(array( + 'name' => 'nobr', + 'type' => HTML5_Tokenizer::ENDTAG, + )); + $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[] = $el; + break; + + // another diversion + + /* A start tag token whose tag name is "button" */ + case 'button': + /* If the stack of open elements has a button element in scope, + then this is a parse error; act as if an end tag with the tag + name "button" had been seen, then reprocess the token. (We don't + do that. Unnecessary.) (I hope you're right! -- ezyang) */ + if($this->elementInScope('button')) { + $this->emitToken(array( + 'name' => 'button', + 'type' => HTML5_Tokenizer::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; + + $this->flag_frameset_ok = false; + break; + + case 'applet': 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; + + $this->flag_frameset_ok = false; + break; + + // spec diversion + + /* A start tag whose tag name is "table" */ + case 'table': + /* If the stack of open elements has a p element in scope, + then act as if an end tag with the tag name p had been seen. */ + if($this->quirks_mode !== self::QUIRKS_MODE && + $this->elementInScope('p')) { + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + $this->flag_frameset_ok = false; + + /* 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 'input': case 'keygen': 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); + + // YYY: Acknowledge the token's self-closing flag, if it is set. + + $this->flag_frameset_ok = false; + break; + + case 'param': case 'source': + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + /* Immediately pop the current node off the stack of open elements. */ + array_pop($this->stack); + + // YYY: Acknowledge the token's self-closing flag, if it is set. + break; + + /* A start tag whose tag name is "hr" */ + case 'hr': + /* If the stack of open elements has a p element in scope, + then act as if an end tag with the tag name p had been seen. */ + if($this->elementInScope('p')) { + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::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); + + // YYY: Acknowledge the token's self-closing flag, if it is set. + + $this->flag_frameset_ok = false; + 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'; + $this->emitToken($token); + break; + + /* A start tag whose tag name is "isindex" */ + case 'isindex': + /* Parse error. */ + + /* 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. */ + /* If the token has an attribute called "action", set + * the action attribute on the resulting form + * element to the value of the "action" attribute of + * the token. */ + $attr = array(); + $action = $this->getAttr($token, 'action'); + if ($action !== false) { + $attr[] = array('name' => 'action', 'value' => $action); + } + $this->emitToken(array( + 'name' => 'form', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => $attr + )); + + /* Act as if a start tag token with the tag name "hr" had + been seen. */ + $this->emitToken(array( + 'name' => 'hr', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + /* Act as if a start tag token with the tag name "p" had + been seen. */ + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + /* Act as if a start tag token with the tag name "label" + had been seen. */ + $this->emitToken(array( + 'name' => 'label', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + /* Act as if a stream of character tokens had been seen. */ + $prompt = $this->getAttr($token, 'prompt'); + if ($prompt === false) { + $prompt = 'This is a searchable index. '. + 'Insert your search keywords here: '; + } + $this->emitToken(array( + 'data' => $prompt, + 'type' => HTML5_Tokenizer::CHARACTER, + )); + + /* 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). */ + $attr = array(); + foreach ($token['attr'] as $keypair) { + if ($keypair['name'] === 'name' || $keypair['name'] === 'action' || + $keypair['name'] === 'prompt') continue; + $attr[] = $keypair; + } + $attr[] = array('name' => 'name', 'value' => 'isindex'); + + $this->emitToken(array( + 'name' => 'input', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => $attr + )); + + /* Act as if an end tag token with the tag name "label" + had been seen. */ + $this->emitToken(array( + 'name' => 'label', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + /* Act as if an end tag token with the tag name "p" had + been seen. */ + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + /* Act as if a start tag token with the tag name "hr" had + been seen. */ + $this->emitToken(array( + 'name' => 'hr', + 'type' => HTML5_Tokenizer::STARTTAG + )); + + /* Act as if an end tag token with the tag name "form" had + been seen. */ + $this->emitToken(array( + 'name' => 'form', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } else { + $this->ignored = true; + } + break; + + /* A start tag whose tag name is "textarea" */ + case 'textarea': + $this->insertElement($token); + + /* If the next token is a U+000A LINE FEED (LF) + * character token, then ignore that token and move on to + * the next one. (Newlines at the start of textarea + * elements are ignored as an authoring convenience.) + * need flag, see also <pre> */ + $this->ignore_lf_token = 2; + + $this->original_mode = $this->mode; + $this->flag_frameset_ok = false; + $this->mode = self::IN_CDATA_RCDATA; + + /* Switch the tokeniser's content model flag to the + RCDATA state. */ + $this->content_model = HTML5_Tokenizer::RCDATA; + break; + + /* A start tag token whose tag name is "xmp" */ + case 'xmp': + /* Reconstruct the active formatting elements, if any. */ + $this->reconstructActiveFormattingElements(); + + $this->flag_frameset_ok = false; + + $this->insertCDATAElement($token); + break; + + case 'iframe': + $this->flag_frameset_ok = false; + $this->insertCDATAElement($token); + break; + + case 'noembed': case 'noscript': + // XSCRIPT: should check scripting flag + $this->insertCDATAElement($token); + 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); + + $this->flag_frameset_ok = false; + + /* If the insertion mode is one of in table", "in caption", + * "in column group", "in table body", "in row", or "in + * cell", then switch the insertion mode to "in select in + * table". Otherwise, switch the insertion mode to "in + * select". */ + if ( + $this->mode === self::IN_TABLE || $this->mode === self::IN_CAPTION || + $this->mode === self::IN_COLUMN_GROUP || $this->mode ==+self::IN_TABLE_BODY || + $this->mode === self::IN_ROW || $this->mode === self::IN_CELL + ) { + $this->mode = self::IN_SELECT_IN_TABLE; + } else { + $this->mode = self::IN_SELECT; + } + break; + + case 'option': case 'optgroup': + if ($this->elementInScope('option')) { + $this->emitToken(array( + 'name' => 'option', + 'type' => HTML5_Tokenizer::ENDTAG, + )); + } + $this->reconstructActiveFormattingElements(); + $this->insertElement($token); + break; + + case 'rp': case 'rt': + /* If the stack of open elements has a ruby element in scope, then generate + * implied end tags. If the current node is not then a ruby element, this is + * a parse error; pop all the nodes from the current node up to the node + * immediately before the bottommost ruby element on the stack of open elements. + */ + if ($this->elementInScope('ruby')) { + $this->generateImpliedEndTags(); + } + $peek = false; + do { + if ($peek) { + // parse error + } + $peek = array_pop($this->stack); + } while ($peek->tagName !== 'ruby'); + $this->stack[] = $peek; // we popped one too many + $this->insertElement($token); + break; + + // spec diversion + + case 'math': + $this->reconstructActiveFormattingElements(); + $token = $this->adjustMathMLAttributes($token); + $token = $this->adjustForeignAttributes($token); + $this->insertForeignElement($token, self::NS_MATHML); + if (isset($token['self-closing'])) { + // XERROR: acknowledge the token's self-closing flag + array_pop($this->stack); + } + if ($this->mode !== self::IN_FOREIGN_CONTENT) { + $this->secondary_mode = $this->mode; + $this->mode = self::IN_FOREIGN_CONTENT; + } + break; + + case 'svg': + $this->reconstructActiveFormattingElements(); + $token = $this->adjustSVGAttributes($token); + $token = $this->adjustForeignAttributes($token); + $this->insertForeignElement($token, self::NS_SVG); + if (isset($token['self-closing'])) { + // XERROR: acknowledge the token's self-closing flag + array_pop($this->stack); + } + if ($this->mode !== self::IN_FOREIGN_CONTENT) { + $this->secondary_mode = $this->mode; + $this->mode = self::IN_FOREIGN_CONTENT; + } + break; + + case 'caption': case 'col': case 'colgroup': case 'frame': case 'head': + case 'tbody': case 'td': case 'tfoot': case 'th': case 'thead': case 'tr': + // parse error + break; + + /* A start tag token not covered by the previous entries */ + default: + /* Reconstruct the active formatting elements, if any. */ + $this->reconstructActiveFormattingElements(); + + $this->insertElement($token); + /* This element will be a phrasing element. */ + break; + } + break; + + case HTML5_Tokenizer::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]->tagName !== 'body') { + $this->ignored = true; + + /* Otherwise, if there is a node in the stack of open + * elements that is not either a dd element, a dt + * element, an li element, an optgroup element, an + * option element, a p element, an rp element, an rt + * element, a tbody element, a td element, a tfoot + * element, a th element, a thead element, a tr element, + * the body element, or the html element, then this is a + * parse error. */ + } else { + // XERROR: implement this check for 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. */ + $this->emitToken(array( + 'name' => 'body', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + if (!$this->ignored) $this->emitToken($token); + break; + + case 'address': case 'article': case 'aside': case 'blockquote': + case 'center': case 'datagrid': case 'details': case 'dir': + case 'div': case 'dl': case 'fieldset': case 'figure': case 'footer': + case 'header': case 'hgroup': case 'listing': case 'menu': + case 'nav': case 'ol': case 'pre': case 'section': 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. */ + // XERROR: implement parse error logic + + /* 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. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== $token['name']); + } else { + // parse error + } + break; + + /* An end tag whose tag name is "form" */ + case 'form': + /* Let node be the element that the form element pointer is set to. */ + $node = $this->form_pointer; + /* Set the form element pointer to null. */ + $this->form_pointer = null; + /* If node is null or the stack of open elements does not + * have node in scope, then this is a parse error; ignore the token. */ + if ($node === null || !in_array($node, $this->stack)) { + // parse error + $this->ignored = true; + } else { + /* 1. Generate implied end tags. */ + $this->generateImpliedEndTags(); + /* 2. If the current node is not node, then this is a parse error. */ + if (end($this->stack) !== $node) { + // parse error + } + /* 3. Remove node from the stack of open elements. */ + array_splice($this->stack, array_search($node, $this->stack, true), 1); + } + + break; + + /* An end tag whose tag name is "p" */ + case 'p': + /* If the stack of open elements has a p element in scope, + then generate implied end tags, except for p elements. */ + if($this->elementInScope('p')) { + /* Generate implied end tags, except for elements with + * the same tag name as the token. */ + $this->generateImpliedEndTags(array('p')); + + /* If the current node is not a p element, then this is + a parse error. */ + // XERROR: implement + + /* Pop elements from the stack of open elements until + * an element with the same tag name as the token has + * been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== 'p'); + + } else { + // parse error + $this->emitToken(array( + 'name' => 'p', + 'type' => HTML5_Tokenizer::STARTTAG, + )); + $this->emitToken($token); + } + break; + + /* An end tag whose tag name is "dd", "dt", or "li" */ + case 'dd': case 'dt': case 'li': + 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. */ + // XERROR: implement parse error + + /* Pop elements from the stack of open elements until + * an element with the same tag name as the token has + * been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== $token['name']); + + } else { + // parse error + } + 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. */ + // XERROR: implement parse error + + /* 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. */ + do { + $node = array_pop($this->stack); + } while (!in_array($node->tagName, $elements)); + } else { + // parse error + } + break; + + /* An end tag whose tag name is one of: "a", "b", "big", "em", + "font", "i", "nobr", "s", "small", "strike", "strong", "tt", "u" */ + case 'a': case 'b': case 'big': case 'code': case 'em': case 'font': + case 'i': case 'nobr': case 's': case 'small': case 'strike': + case 'strong': case 'tt': case 'u': + // XERROR: generally speaking this needs parse error logic + /* 1. Let the formatting element be the last element in + the list of active formatting elements that: + * is between the end of the list and the last scope + marker in the list, if any, or the start of the list + otherwise, and + * has the same tag name as the token. + */ + while(true) { + for($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']))) { + $this->ignored = true; + break; + + /* Otherwise, if there is such a node, but that node + is not in the stack of open elements, then this is a + parse error; remove the element from the list, and + abort these steps. */ + } elseif(isset($formatting_element) && !$in_stack) { + unset($this->a_formatting[$fe_af_pos]); + $this->a_formatting = array_merge($this->a_formatting); + break; + } + + /* Otherwise, there is a formatting element and that + * element is in the stack and is in scope. If the + * element is not the current node, this is a parse + * error. In any case, proceed with the algorithm as + * written in the following steps. */ + // XERROR: implement me + + /* 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[$s]); + + if($category !== self::PHRASING && $category !== self::FORMATTING) { + $furthest_block = $this->stack[$s]; + break; + } + } + + /* 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. 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; + + /* 6. 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--) { + /* 6.1 Let node be the element immediately + prior to node in the stack of open elements. */ + $node = $this->stack[$n]; + + /* 6.2 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, $this->a_formatting, true)) { + array_splice($this->stack, $n, 1); + + } else { + break; + } + } + + /* 6.3 Otherwise, if node is the formatting + element, then go to the next step in the overall + algorithm. */ + if($node === $formatting_element) { + break; + + /* 6.4 Otherwise, if last node is the furthest + block, then move the aforementioned bookmark to + be immediately after the node in the list of + active formatting elements. */ + } elseif($last_node === $furthest_block) { + $bookmark = array_search($node, $this->a_formatting, true) + 1; + } + + /* 6.5 Create an element for the token for which + * the element node was created, replace the entry + * for node in the list of active formatting + * elements with an entry for the new element, + * replace the entry for node in the stack of open + * elements with an entry for the new element, and + * let node be the new element. */ + // we don't know what the token is anymore + $clone = $node->cloneNode(); + $a_pos = array_search($node, $this->a_formatting, true); + $s_pos = array_search($node, $this->stack, true); + $this->a_formatting[$a_pos] = $clone; + $this->stack[$s_pos] = $clone; + $node = $clone; + + /* 6.6 Insert last node into node, first removing + it from its previous parent node if any. */ + if($last_node->parentNode !== null) { + $last_node->parentNode->removeChild($last_node); + } + + $node->appendChild($last_node); + + /* 6.7 Let last node be node. */ + $last_node = $node; + + /* 6.8 Return to step 1 of this inner set of steps. */ + } + + /* 7. If the common ancestor node is a table, tbody, + * tfoot, thead, or tr element, then, foster parent + * whatever last node ended up being in the previous + * step, first removing it from its previous parent + * node if any. */ + if ($last_node->parentNode) { // common step + $last_node->parentNode->removeChild($last_node); + } + if (in_array($common_ancestor->tagName, array('table', 'tbody', 'tfoot', 'thead', 'tr'))) { + $this->fosterParent($last_node); + /* Otherwise, append whatever last node ended up being + * in the previous step to the common ancestor node, + * first removing it from its previous parent node if + * any. */ + } else { + $common_ancestor->appendChild($last_node); + } + + /* 8. Create an element for the token for which the + * formatting element was created. */ + $clone = $formatting_element->cloneNode(); + + /* 9. Take all of the child nodes of the furthest + block and append them to the element created in the + last step. */ + while($furthest_block->hasChildNodes()) { + $child = $furthest_block->firstChild; + $furthest_block->removeChild($child); + $clone->appendChild($child); + } + + /* 10. Append that clone to the furthest block. */ + $furthest_block->appendChild($clone); + + /* 11. Remove the formatting element from the list + of active formatting elements, and insert the new element + into the list of active formatting elements at the + position of the aforementioned bookmark. */ + $fe_af_pos = array_search($formatting_element, $this->a_formatting, true); + array_splice($this->a_formatting, $fe_af_pos, 1); + + $af_part1 = array_slice($this->a_formatting, 0, $bookmark - 1); + $af_part2 = array_slice($this->a_formatting, $bookmark); + $this->a_formatting = array_merge($af_part1, array($clone), $af_part2); + + /* 12. Remove the formatting element from the stack + of open elements, and insert the new element into the stack + of open elements immediately below the position of the + furthest block in that stack. */ + $fe_s_pos = array_search($formatting_element, $this->stack, true); + array_splice($this->stack, $fe_s_pos, 1); + + $fb_s_pos = array_search($furthest_block, $this->stack, true); + $s_part1 = array_slice($this->stack, 0, $fb_s_pos + 1); + $s_part2 = array_slice($this->stack, $fb_s_pos + 1); + $this->stack = array_merge($s_part1, array($clone), $s_part2); + + /* 13. Jump back to step 1 in this series of steps. */ + unset($formatting_element, $fe_af_pos, $fe_s_pos, $furthest_block); + } + break; + + case 'applet': case 'button': case 'marquee': case 'object': + /* If the stack of open elements has an element in scope whose + tag name matches the tag name of the token, then generate implied + tags. */ + if($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. */ + // XERROR: implement logic + + /* Pop elements from the stack of open elements until + * an element with the same tag name as the token has + * been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== $token['name']); + + /* Clear the list of active formatting elements up to the + * last marker. */ + $keys = array_keys($this->a_formatting, self::MARKER, true); + $marker = end($keys); + + for($n = count($this->a_formatting) - 1; $n > $marker; $n--) { + array_pop($this->a_formatting); + } + } else { + // parse error + } + break; + + case 'br': + // Parse error + $this->emitToken(array( + 'name' => 'br', + 'type' => HTML5_Tokenizer::STARTTAG, + )); + break; + + /* An end tag token not covered by the previous entries */ + default: + for($n = count($this->stack) - 1; $n >= 0; $n--) { + /* Initialise node to be the current node (the bottommost + node of the stack). */ + $node = $this->stack[$n]; + + /* If node has the same tag name as the end tag token, + then: */ + if($token['name'] === $node->tagName) { + /* 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. */ + // XERROR: implement this + + /* Pop all the nodes from the current node up to + node, including node, then stop these steps. */ + // XSKETCHY + do { + $pop = array_pop($this->stack); + } while ($pop !== $node); + break; + + } else { + $category = $this->getElementCategory($node); + + if($category !== self::FORMATTING && $category !== self::PHRASING) { + /* 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. */ + $this->ignored = true; + break; + // parse error + } + } + /* Set node to the previous entry in the stack of open elements. Loop. */ + } + break; + } + break; + } + break; + + case self::IN_CDATA_RCDATA: + if ( + $token['type'] === HTML5_Tokenizer::CHARACTER || + $token['type'] === HTML5_Tokenizer::SPACECHARACTER + ) { + $this->insertText($token['data']); + } elseif ($token['type'] === HTML5_Tokenizer::EOF) { + // parse error + /* If the current node is a script element, mark the script + * element as "already executed". */ + // probably not necessary + array_pop($this->stack); + $this->mode = $this->original_mode; + $this->emitToken($token); + } elseif ($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'script') { + array_pop($this->stack); + $this->mode = $this->original_mode; + // we're ignoring all of the execution stuff + } elseif ($token['type'] === HTML5_Tokenizer::ENDTAG) { + array_pop($this->stack); + $this->mode = $this->original_mode; + } + break; + + case self::IN_TABLE: + $clear = array('html', 'table'); + + /* A character token that is one of one of U+0009 CHARACTER TABULATION, + U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), + or U+0020 SPACE */ + if($token['type'] === HTML5_Tokenizer::SPACECHARACTER && + /* If the current table is tainted, then act as described in + * the "anything else" entry below. */ + // Note: hsivonen has a test that fails due to this line + // because he wants to convince Hixie not to do taint + !$this->currentTableIsTainted()) { + /* Append the character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + /* A start tag whose tag name is "caption" */ + } elseif($token['type'] === HTML5_Tokenizer::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_Tokenizer::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); + $this->mode = self::IN_COLUMN_GROUP; + + /* A start tag whose tag name is "col" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'col') { + $this->emitToken(array( + 'name' => 'colgroup', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + $this->emitToken($token); + + /* A start tag whose tag name is one of: "tbody", "tfoot", "thead" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && in_array($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); + $this->mode = self::IN_TABLE_BODY; + + /* A start tag whose tag name is one of: "td", "th", "tr" */ + } elseif($token['type'] === HTML5_Tokenizer::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->emitToken(array( + 'name' => 'tbody', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + $this->emitToken($token); + + /* A start tag whose tag name is "table" */ + } elseif($token['type'] === HTML5_Tokenizer::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. */ + $this->emitToken(array( + 'name' => 'table', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + if (!$this->ignored) $this->emitToken($token); + + /* An end tag whose tag name is "table" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'table') { + /* If the stack of open elements does not have an element in table + scope with the same tag name as the token, this is a parse error. + Ignore the token. (fragment case) */ + if(!$this->elementInScope($token['name'], true)) { + $this->ignored = true; + + /* Otherwise: */ + } else { + do { + $node = array_pop($this->stack); + } while ($node->tagName !== 'table'); + + /* 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_Tokenizer::ENDTAG && in_array($token['name'], + array('body', 'caption', 'col', 'colgroup', 'html', 'tbody', 'td', + 'tfoot', 'th', 'thead', 'tr'))) { + // Parse error. Ignore the token. + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + ($token['name'] === 'style' || $token['name'] === 'script')) { + $this->processWithRulesFor($token, self::IN_HEAD); + + } elseif ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'input' && + // assignment is intentional + /* If the token does not have an attribute with the name "type", or + * if it does, but that attribute's value is not an ASCII + * case-insensitive match for the string "hidden", then: act as + * described in the "anything else" entry below. */ + ($type = $this->getAttr($token, 'type')) && strtolower($type) === 'hidden') { + // I.e., if its an input with the type attribute == 'hidden' + /* Otherwise */ + // parse error + $this->insertElement($token); + array_pop($this->stack); + } elseif ($token['type'] === HTML5_Tokenizer::EOF) { + /* If the current node is not the root html element, then this is a parse error. */ + if (end($this->stack)->tagName !== 'html') { + // Note: It can only be the current node in the fragment case. + // parse error + } + /* Stop parsing. */ + /* Anything else */ + } else { + /* Parse error. Process the token as if the insertion mode was "in + body", with the following exception: */ + + $old = $this->foster_parent; + $this->foster_parent = true; + $this->processWithRulesFor($token, self::IN_BODY); + $this->foster_parent = $old; + } + break; + + case self::IN_CAPTION: + /* An end tag whose tag name is "caption" */ + if($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'caption') { + /* If the stack of open elements does not have an element in table + scope with the same tag name as the token, this is a parse error. + Ignore the token. (fragment case) */ + if(!$this->elementInScope($token['name'], true)) { + $this->ignored = 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. */ + // XERROR: implement + + /* Pop elements from this stack until a caption element has + been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== 'caption'); + + /* 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_Tokenizer::STARTTAG && in_array($token['name'], + array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th', + 'thead', 'tr'))) || ($token['type'] === HTML5_Tokenizer::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. */ + $this->emitToken(array( + 'name' => 'caption', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + if (!$this->ignored) $this->emitToken($token); + + /* An end tag whose tag name is one of: "body", "col", "colgroup", + "html", "tbody", "td", "tfoot", "th", "thead", "tr" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && in_array($token['name'], + array('body', 'col', 'colgroup', 'html', 'tbody', 'tfoot', 'th', + 'thead', 'tr'))) { + // Parse error. Ignore the token. + $this->ignored = true; + + /* Anything else */ + } else { + /* Process the token as if the insertion mode was "in body". */ + $this->processWithRulesFor($token, self::IN_BODY); + } + break; + + case self::IN_COLUMN_GROUP: + /* 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_Tokenizer::SPACECHARACTER) { + /* Append the character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::COMMENT) { + /* Append a Comment node to the current node with the data + attribute set to the data given in the comment token. */ + $this->insertToken($token['data']); + + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + + /* A start tag whose tag name is "col" */ + } elseif($token['type'] === HTML5_Tokenizer::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($this->stack); + // XERROR: Acknowledge the token's self-closing flag, if it is set. + + /* An end tag whose tag name is "colgroup" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'colgroup') { + /* If the current node is the root html element, then this is a + parse error, ignore the token. (fragment case) */ + if(end($this->stack)->tagName === 'html') { + $this->ignored = true; + + /* Otherwise, pop the current node (which will be a colgroup + element) from the stack of open elements. Switch the insertion + mode to "in table". */ + } else { + array_pop($this->stack); + $this->mode = self::IN_TABLE; + } + + /* An end tag whose tag name is "col" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'col') { + /* Parse error. Ignore the token. */ + $this->ignored = true; + + /* An end-of-file token */ + /* If the current node is the root html element */ + } elseif($token['type'] === HTML5_Tokenizer::EOF && end($this->stack)->tagName === 'html') { + /* Stop parsing */ + + /* 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. */ + $this->emitToken(array( + 'name' => 'colgroup', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + if (!$this->ignored) $this->emitToken($token); + } + break; + + case self::IN_TABLE_BODY: + $clear = array('tbody', 'tfoot', 'thead', 'html'); + + /* A start tag whose tag name is "tr" */ + if($token['type'] === HTML5_Tokenizer::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_Tokenizer::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->emitToken(array( + 'name' => 'tr', + 'type' => HTML5_Tokenizer::STARTTAG, + 'attr' => array() + )); + + $this->emitToken($token); + + /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + in_array($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)) { + // Parse error + $this->ignored = true; + + /* 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_Tokenizer::STARTTAG && in_array($token['name'], + array('caption', 'col', 'colgroup', 'tbody', 'tfoot', 'thead'))) || + ($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'table')) { + /* If the stack of open elements does not have a tbody, thead, or + tfoot element in table scope, this is a parse error. Ignore the + token. (fragment case) */ + if(!$this->elementInScope(array('tbody', 'thead', 'tfoot'), true)) { + // parse error + $this->ignored = true; + + /* 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. */ + $this->emitToken(array( + 'name' => end($this->stack)->tagName, + 'type' => HTML5_Tokenizer::ENDTAG + )); + + $this->emitToken($token); + } + + /* An end tag whose tag name is one of: "body", "caption", "col", + "colgroup", "html", "td", "th", "tr" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && in_array($token['name'], + array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th', 'tr'))) { + /* Parse error. Ignore the token. */ + $this->ignored = true; + + /* Anything else */ + } else { + /* Process the token as if the insertion mode was "in table". */ + $this->processWithRulesFor($token, self::IN_TABLE); + } + break; + + case self::IN_ROW: + $clear = array('tr', 'html'); + + /* A start tag whose tag name is one of: "th", "td" */ + if($token['type'] === HTML5_Tokenizer::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_Tokenizer::ENDTAG && $token['name'] === 'tr') { + /* If the stack of open elements does not have an element in table + scope with the same tag name as the token, this is a parse error. + Ignore the token. (fragment case) */ + if(!$this->elementInScope($token['name'], true)) { + // Ignore. + $this->ignored = true; + + /* 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); + $this->mode = self::IN_TABLE_BODY; + } + + /* A start tag whose tag name is one of: "caption", "col", "colgroup", + "tbody", "tfoot", "thead", "tr" or an end tag whose tag name is "table" */ + } elseif(($token['type'] === HTML5_Tokenizer::STARTTAG && in_array($token['name'], + array('caption', 'col', 'colgroup', 'tbody', 'tfoot', 'thead', 'tr'))) || + ($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'table')) { + /* 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. */ + $this->emitToken(array( + 'name' => 'tr', + 'type' => HTML5_Tokenizer::ENDTAG + )); + if (!$this->ignored) $this->emitToken($token); + + /* An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + in_array($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)) { + $this->ignored = true; + + /* Otherwise: */ + } else { + /* Otherwise, act as if an end tag with the tag name "tr" had + been seen, then reprocess the current token. */ + $this->emitToken(array( + 'name' => 'tr', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + $this->emitToken($token); + } + + /* An end tag whose tag name is one of: "body", "caption", "col", + "colgroup", "html", "td", "th" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && in_array($token['name'], + array('body', 'caption', 'col', 'colgroup', 'html', 'td', 'th'))) { + /* Parse error. Ignore the token. */ + $this->ignored = true; + + /* Anything else */ + } else { + /* Process the token as if the insertion mode was "in table". */ + $this->processWithRulesFor($token, self::IN_TABLE); + } + break; + + case self::IN_CELL: + /* An end tag whose tag name is one of: "td", "th" */ + if($token['type'] === HTML5_Tokenizer::ENDTAG && + ($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)) { + $this->ignored = true; + + /* 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. */ + // XERROR: Implement parse error code + + /* Pop elements from this stack until an element with the same + tag name as the token has been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== $token['name']); + + /* 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_Tokenizer::STARTTAG && in_array($token['name'], + array('caption', 'col', 'colgroup', 'tbody', 'td', 'tfoot', 'th', + 'thead', 'tr'))) { + /* If the stack of open elements does not have a td or th element + in table scope, then this is a parse error; ignore the token. + (fragment case) */ + if(!$this->elementInScope(array('td', 'th'), true)) { + // parse error + $this->ignored = true; + + /* Otherwise, close the cell (see below) and reprocess the current + token. */ + } else { + $this->closeCell(); + $this->emitToken($token); + } + + /* An end tag whose tag name is one of: "body", "caption", "col", + "colgroup", "html" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && in_array($token['name'], + array('body', 'caption', 'col', 'colgroup', 'html'))) { + /* Parse error. Ignore the token. */ + $this->ignored = true; + + /* An end tag whose tag name is one of: "table", "tbody", "tfoot", + "thead", "tr" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && in_array($token['name'], + array('table', 'tbody', 'tfoot', 'thead', 'tr'))) { + /* If the stack of open elements does not have a td or th element + in table scope, then this is a parse error; ignore the token. + (innerHTML case) */ + if(!$this->elementInScope(array('td', 'th'), true)) { + // Parse error + $this->ignored = true; + + /* Otherwise, close the cell (see below) and reprocess the current + token. */ + } else { + $this->closeCell(); + $this->emitToken($token); + } + + /* Anything else */ + } else { + /* Process the token as if the insertion mode was "in body". */ + $this->processWithRulesFor($token, self::IN_BODY); + } + break; + + case self::IN_SELECT: + /* Handle the token as follows: */ + + /* A character token */ + if( + $token['type'] === HTML5_Tokenizer::CHARACTER || + $token['type'] === HTML5_Tokenizer::SPACECHARACTER + ) { + /* Append the token's character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::INBODY); + + /* A start tag token whose tag name is "option" */ + } elseif($token['type'] === HTML5_Tokenizer::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)->tagName === 'option') { + $this->emitToken(array( + 'name' => 'option', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + /* A start tag token whose tag name is "optgroup" */ + } elseif($token['type'] === HTML5_Tokenizer::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)->tagName === 'option') { + $this->emitToken(array( + 'name' => 'option', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* If the current node is an optgroup element, act as if an end tag + with the tag name "optgroup" had been seen. */ + if(end($this->stack)->tagName === 'optgroup') { + $this->emitToken(array( + 'name' => 'optgroup', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + /* An end tag token whose tag name is "optgroup" */ + } elseif($token['type'] === HTML5_Tokenizer::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]->tagName === 'option' && + $this->stack[$elements_in_stack - 2]->tagName === 'optgroup') { + $this->emitToken(array( + 'name' => 'option', + 'type' => HTML5_Tokenizer::ENDTAG + )); + } + + /* If the current node is an optgroup element, then pop that node + from the stack of open elements. Otherwise, this is a parse error, + ignore the token. */ + if(end($this->stack)->tagName === 'optgroup') { + array_pop($this->stack); + } else { + // parse error + $this->ignored = true; + } + + /* An end tag token whose tag name is "option" */ + } elseif($token['type'] === HTML5_Tokenizer::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)->tagName === 'option') { + array_pop($this->stack); + } else { + // parse error + $this->ignored = true; + } + + /* An end tag whose tag name is "select" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'select') { + /* If the stack of open elements does not have an element in table + scope with the same tag name as the token, this is a parse error. + Ignore the token. (fragment case) */ + if(!$this->elementInScope($token['name'], true)) { + $this->ignored = true; + // parse error + + /* Otherwise: */ + } else { + /* Pop elements from the stack of open elements until a select + element has been popped from the stack. */ + do { + $node = array_pop($this->stack); + } while ($node->tagName !== 'select'); + + /* Reset the insertion mode appropriately. */ + $this->resetInsertionMode(); + } + + /* A start tag whose tag name is "select" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'select') { + /* Parse error. Act as if the token had been an end tag with the + tag name "select" instead. */ + $this->emitToken(array( + 'name' => 'select', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + ($token['name'] === 'input' || $token['name'] === 'textarea')) { + // parse error + $this->emitToken(array( + 'name' => 'select', + 'type' => HTML5_Tokenizer::ENDTAG + )); + $this->emitToken($token); + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'script') { + $this->processWithRulesFor($token, self::IN_HEAD); + + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + // XERROR: If the current node is not the root html element, then this is a parse error. + /* Stop parsing */ + + /* Anything else */ + } else { + /* Parse error. Ignore the token. */ + $this->ignored = true; + } + break; + + case self::IN_SELECT_IN_TABLE: + + if($token['type'] === HTML5_Tokenizer::STARTTAG && + in_array($token['name'], array('caption', 'table', 'tbody', + 'tfoot', 'thead', 'tr', 'td', 'th'))) { + // parse error + $this->emitToken(array( + 'name' => 'select', + 'type' => HTML5_Tokenizer::ENDTAG, + )); + $this->emitToken($token); + + /* An end tag whose tag name is one of: "caption", "table", "tbody", + "tfoot", "thead", "tr", "td", "th" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + in_array($token['name'], array('caption', 'table', 'tbody', 'tfoot', 'thead', 'tr', 'td', 'th'))) { + /* Parse error. */ + // parse error + + /* 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->emitToken(array( + 'name' => 'select', + 'type' => HTML5_Tokenizer::ENDTAG + )); + + $this->emitToken($token); + } else { + $this->ignored = true; + } + } else { + $this->processWithRulesFor($token, self::IN_SELECT); + } + break; + + case self::IN_FOREIGN_CONTENT: + if ($token['type'] === HTML5_Tokenizer::CHARACTER || + $token['type'] === HTML5_Tokenizer::SPACECHARACTER) { + $this->insertText($token['data']); + } elseif ($token['type'] === HTML5_Tokenizer::COMMENT) { + $this->insertComment($token['data']); + } elseif ($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // XERROR: parse error + } elseif ($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'script' && end($this->stack)->tagName === 'script' && + end($this->stack)->namespaceURI === self::NS_SVG) { + array_pop($this->stack); + // a bunch of script running mumbo jumbo + } elseif ( + ($token['type'] === HTML5_Tokenizer::STARTTAG && + (( + $token['name'] !== 'mglyph' && + $token['name'] !== 'malignmark' && + end($this->stack)->namespaceURI === self::NS_MATHML && + in_array(end($this->stack)->tagName, array('mi', 'mo', 'mn', 'ms', 'mtext')) + ) || + ( + $token['name'] === 'svg' && + end($this->stack)->namespaceURI === self::NS_MATHML && + end($this->stack)->tagName === 'annotation-xml' + ) || + ( + end($this->stack)->namespaceURI === self::NS_SVG && + in_array(end($this->stack)->tagName, array('foreignObject', 'desc', 'title')) + ) || + ( + // XSKETCHY + end($this->stack)->namespaceURI === self::NS_HTML + )) + ) || $token['type'] === HTML5_Tokenizer::ENDTAG + ) { + $this->processWithRulesFor($token, $this->secondary_mode); + /* If, after doing so, the insertion mode is still "in foreign + * content", but there is no element in scope that has a namespace + * other than the HTML namespace, switch the insertion mode to the + * secondary insertion mode. */ + if ($this->mode === self::IN_FOREIGN_CONTENT) { + $found = false; + // this basically duplicates elementInScope() + for ($i = count($this->stack) - 1; $i >= 0; $i--) { + $node = $this->stack[$i]; + if ($node->namespaceURI !== self::NS_HTML) { + $found = true; + break; + } elseif (in_array($node->tagName, array('table', 'html', + 'applet', 'caption', 'td', 'th', 'button', 'marquee', + 'object')) || ($node->tagName === 'foreignObject' && + $node->namespaceURI === self::NS_SVG)) { + break; + } + } + if (!$found) { + $this->mode = $this->secondary_mode; + } + } + } elseif ($token['type'] === HTML5_Tokenizer::EOF || ( + $token['type'] === HTML5_Tokenizer::STARTTAG && + (in_array($token['name'], array('b', "big", "blockquote", "body", "br", + "center", "code", "dd", "div", "dl", "dt", "em", "embed", "h1", "h2", + "h3", "h4", "h5", "h6", "head", "hr", "i", "img", "li", "listing", + "menu", "meta", "nobr", "ol", "p", "pre", "ruby", "s", "small", + "span", "strong", "strike", "sub", "sup", "table", "tt", "u", "ul", + "var")) || ($token['name'] === 'font' && ($this->getAttr($token, 'color') || + $this->getAttr($token, 'face') || $this->getAttr($token, 'size')))))) { + // XERROR: parse error + do { + $node = array_pop($this->stack); + } while ($node->namespaceURI !== self::NS_HTML); + $this->stack[] = $node; + $this->mode = $this->secondary_mode; + $this->emitToken($token); + } elseif ($token['type'] === HTML5_Tokenizer::STARTTAG) { + static $svg_lookup = array( + 'altglyph' => 'altGlyph', + 'altglyphdef' => 'altGlyphDef', + 'altglyphitem' => 'altGlyphItem', + 'animatecolor' => 'animateColor', + 'animatemotion' => 'animateMotion', + 'animatetransform' => 'animateTransform', + 'clippath' => 'clipPath', + 'feblend' => 'feBlend', + 'fecolormatrix' => 'feColorMatrix', + 'fecomponenttransfer' => 'feComponentTransfer', + 'fecomposite' => 'feComposite', + 'feconvolvematrix' => 'feConvolveMatrix', + 'fediffuselighting' => 'feDiffuseLighting', + 'fedisplacementmap' => 'feDisplacementMap', + 'fedistantlight' => 'feDistantLight', + 'feflood' => 'feFlood', + 'fefunca' => 'feFuncA', + 'fefuncb' => 'feFuncB', + 'fefuncg' => 'feFuncG', + 'fefuncr' => 'feFuncR', + 'fegaussianblur' => 'feGaussianBlur', + 'feimage' => 'feImage', + 'femerge' => 'feMerge', + 'femergenode' => 'feMergeNode', + 'femorphology' => 'feMorphology', + 'feoffset' => 'feOffset', + 'fepointlight' => 'fePointLight', + 'fespecularlighting' => 'feSpecularLighting', + 'fespotlight' => 'feSpotLight', + 'fetile' => 'feTile', + 'feturbulence' => 'feTurbulence', + 'foreignobject' => 'foreignObject', + 'glyphref' => 'glyphRef', + 'lineargradient' => 'linearGradient', + 'radialgradient' => 'radialGradient', + 'textpath' => 'textPath', + ); + $current = end($this->stack); + if ($current->namespaceURI === self::NS_MATHML) { + $token = $this->adjustMathMLAttributes($token); + } + if ($current->namespaceURI === self::NS_SVG && + isset($svg_lookup[$token['name']])) { + $token['name'] = $svg_lookup[$token['name']]; + } + if ($current->namespaceURI === self::NS_SVG) { + $token = $this->adjustSVGAttributes($token); + } + $token = $this->adjustForeignAttributes($token); + $this->insertForeignElement($token, $current->namespaceURI); + if (isset($token['self-closing'])) { + array_pop($this->stack); + // XERROR: acknowledge self-closing flag + } + } + break; + + case self::AFTER_BODY: + /* Handle the token as follows: */ + + /* A character token that is one of one of U+0009 CHARACTER TABULATION, + U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), + or U+0020 SPACE */ + if($token['type'] === HTML5_Tokenizer::SPACECHARACTER) { + /* Process the token as it would be processed if the insertion mode + was "in body". */ + $this->processWithRulesFor($token, self::IN_BODY); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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); + + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + + /* An end tag with the tag name "html" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && $token['name'] === 'html') { + /* If the parser was originally created as part of the HTML + * fragment parsing algorithm, this is a parse error; ignore + * the token. (fragment case) */ + $this->ignored = true; + // XERROR: implement this + + $this->mode = self::AFTER_AFTER_BODY; + + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + /* Stop parsing */ + + /* Anything else */ + } else { + /* Parse error. Set the insertion mode to "in body" and reprocess + the token. */ + $this->mode = self::IN_BODY; + $this->emitToken($token); + } + break; + + case self::IN_FRAMESET: + /* 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_Tokenizer::SPACECHARACTER) { + /* Append the character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + /* A start tag with the tag name "frameset" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'frameset') { + $this->insertElement($token); + + /* An end tag with the tag name "frameset" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'frameset') { + /* If the current node is the root html element, then this is a + parse error; ignore the token. (fragment case) */ + if(end($this->stack)->tagName === 'html') { + $this->ignored = true; + // Parse error + + } else { + /* Otherwise, pop the current node from the stack of open + elements. */ + array_pop($this->stack); + + /* If the parser was not originally created as part of the HTML + * fragment parsing algorithm (fragment case), and the current + * node is no longer a frameset element, then switch the + * insertion mode to "after frameset". */ + $this->mode = self::AFTER_FRAMESET; + } + + /* A start tag with the tag name "frame" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'frame') { + /* Insert an HTML element for the token. */ + $this->insertElement($token); + + /* Immediately pop the current node off the stack of open elements. */ + array_pop($this->stack); + + // XERROR: Acknowledge the token's self-closing flag, if it is set. + + /* A start tag with the tag name "noframes" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'noframes') { + /* Process the token using the rules for the "in head" insertion mode. */ + $this->processwithRulesFor($token, self::IN_HEAD); + + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + // XERROR: If the current node is not the root html element, then this is a parse error. + /* Stop parsing */ + /* Anything else */ + } else { + /* Parse error. Ignore the token. */ + $this->ignored = true; + } + break; + + case self::AFTER_FRAMESET: + /* Handle the token as follows: */ + + /* A character token that is one of one of U+0009 CHARACTER TABULATION, + U+000A LINE FEED (LF), U+000B LINE TABULATION, U+000C FORM FEED (FF), + U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ + if($token['type'] === HTML5_Tokenizer::SPACECHARACTER) { + /* Append the character to the current node. */ + $this->insertText($token['data']); + + /* A comment token */ + } elseif($token['type'] === HTML5_Tokenizer::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($token['type'] === HTML5_Tokenizer::DOCTYPE) { + // parse error + + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html') { + $this->processWithRulesFor($token, self::IN_BODY); + + /* An end tag with the tag name "html" */ + } elseif($token['type'] === HTML5_Tokenizer::ENDTAG && + $token['name'] === 'html') { + $this->mode = self::AFTER_AFTER_FRAMESET; + + /* A start tag with the tag name "noframes" */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && + $token['name'] === 'noframes') { + $this->processWithRulesFor($token, self::IN_HEAD); + + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + /* Stop parsing */ + + /* Anything else */ + } else { + /* Parse error. Ignore the token. */ + $this->ignored = true; + } + break; + + case self::AFTER_AFTER_BODY: + /* A comment token */ + if($token['type'] === HTML5_Tokenizer::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); + + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE || + $token['type'] === HTML5_Tokenizer::SPACECHARACTER || + ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html')) { + $this->processWithRulesFor($token, self::IN_BODY); + + /* An end-of-file token */ + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + /* OMG DONE!! */ + } else { + // parse error + $this->mode = self::IN_BODY; + $this->emitToken($token); + } + break; + + case self::AFTER_AFTER_FRAMESET: + /* A comment token */ + if($token['type'] === HTML5_Tokenizer::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); + + } elseif($token['type'] === HTML5_Tokenizer::DOCTYPE || + $token['type'] === HTML5_Tokenizer::SPACECHARACTER || + ($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'html')) { + $this->processWithRulesFor($token, self::IN_BODY); + + /* An end-of-file token */ + } elseif($token['type'] === HTML5_Tokenizer::EOF) { + /* OMG DONE!! */ + } elseif($token['type'] === HTML5_Tokenizer::STARTTAG && $token['name'] === 'nofrmaes') { + $this->processWithRulesFor($token, self::IN_HEAD); + } else { + // parse error + } + break; + } + // end funky indenting + } + + private function insertElement($token, $append = true) { + $el = $this->dom->createElementNS(self::NS_HTML, $token['name']); + + if (!empty($token['attr'])) { + foreach($token['attr'] as $attr) { + if(!$el->hasAttribute($attr['name'])) { + $el->setAttribute($attr['name'], $attr['value']); + } + } + } + if ($append) { + $this->appendToRealParent($el); + $this->stack[] = $el; + } + + return $el; + } + + private function insertText($data) { + if ($data === '') return; + if ($this->ignore_lf_token) { + if ($data[0] === "\n") { + $data = substr($data, 1); + if ($data === false) return; + } + } + $text = $this->dom->createTextNode($data); + $this->appendToRealParent($text); + } + + private function insertComment($data) { + $comment = $this->dom->createComment($data); + $this->appendToRealParent($comment); + } + + private function appendToRealParent($node) { + // this is only for the foster_parent case + /* If the current node is a table, tbody, tfoot, thead, or tr + element, then, whenever a node would be inserted into the current + node, it must instead be inserted into the foster parent element. */ + if(!$this->foster_parent || !in_array(end($this->stack)->tagName, + array('table', 'tbody', 'tfoot', 'thead', 'tr'))) { + end($this->stack)->appendChild($node); + } else { + $this->fosterParent($node); + } + } + + 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 === $el) { + /* 2. If node is the target node, terminate in a match state. */ + return true; + + // these are the common states for "in scope" and "in table scope" + } elseif($node->tagName === 'table' || $node->tagName === 'html') { + return false; + + // these are only valid for "in scope" + } elseif(!$table && + (in_array($node->tagName, array('applet', 'caption', 'td', + 'th', 'button', 'marquee', 'object')) || + $node->tagName === 'foreignObject' && $node->namespaceURI === self::NS_SVG)) { + 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. */ + $this->appendToRealParent($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($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)->tagName, $elements)) { + array_pop($this->stack); + } + } + + private function getElementCategory($node) { + if (!is_object($node)) debug_print_backtrace(); + $name = $node->tagName; + if(in_array($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. */ + while(true) { + $name = end($this->stack)->tagName; + + if(in_array($name, $elements)) { + break; + } else { + array_pop($this->stack); + } + } + } + + private function resetInsertionMode($context = null) { + /* 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 and set node to the context element. (fragment + * case) */ + if($this->stack[0]->isSameNode($node)) { + $last = true; + $node = $context; + } + + /* 4. If node is a select element, then switch the insertion mode to + "in select" and abort these steps. (fragment case) */ + if($node->tagName === '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->tagName === '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->tagName === '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->tagName, array('tbody', 'thead', 'tfoot'))) { + $this->mode = self::IN_TABLE_BODY; + break; + + /* 8. If node is a caption element, then switch the insertion mode + to "in caption" and abort these steps. */ + } elseif($node->tagName === '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->tagName === 'colgroup') { + $this->mode = self::IN_COLUMN_GROUP; + break; + + /* 10. If node is a table element, then switch the insertion mode + to "in table" and abort these steps. */ + } elseif($node->tagName === 'table') { + $this->mode = self::IN_TABLE; + break; + + /* 11. If node is an element from the MathML namespace or the SVG + * namespace, then switch the insertion mode to "in foreign + * content", let the secondary insertion mode be "in body", and + * abort these steps. */ + } elseif($node->namespaceURI === self::NS_SVG || + $node->namespaceURI === self::NS_MATHML) { + $this->mode = self::IN_FOREIGN_CONTENT; + $this->secondary_mode = self::IN_BODY; + break; + + /* 12. If node is a head element, then switch the insertion mode + to "in body" ("in body"! not "in head"!) and abort these steps. + (fragment case) */ + } elseif($node->tagName === 'head') { + $this->mode = self::IN_BODY; + break; + + /* 13. If node is a body element, then switch the insertion mode to + "in body" and abort these steps. */ + } elseif($node->tagName === 'body') { + $this->mode = self::IN_BODY; + break; + + /* 14. If node is a frameset element, then switch the insertion + mode to "in frameset" and abort these steps. (fragment case) */ + } elseif($node->tagName === 'frameset') { + $this->mode = self::IN_FRAMESET; + break; + + /* 15. If node is an html element, then: if the head element + pointer is null, switch the insertion mode to "before head", + otherwise, switch the insertion mode to "after head". In either + case, abort these steps. (fragment case) */ + } elseif($node->tagName === 'html') { + $this->mode = ($this->head_pointer === null) + ? self::BEFORE_HEAD + : self::AFTER_HEAD; + + break; + + /* 16. If last is true, then set the insertion mode to "in body" + and abort these steps. (fragment 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->emitToken(array( + 'name' => $cell, + 'type' => HTML5_Tokenizer::ENDTAG + )); + + break; + } + } + } + + private function processWithRulesFor($token, $mode) { + /* "using the rules for the m insertion mode", where m is one of these + * modes, the user agent must use the rules described under the m + * insertion mode's section, but must leave the insertion mode + * unchanged unless the rules in m themselves switch the insertion mode + * to a new value. */ + return $this->emitToken($token, $mode); + } + + private function insertCDATAElement($token) { + $this->insertElement($token); + $this->original_mode = $this->mode; + $this->mode = self::IN_CDATA_RCDATA; + $this->content_model = HTML5_Tokenizer::CDATA; + } + + private function insertRCDATAElement($token) { + $this->insertElement($token); + $this->original_mode = $this->mode; + $this->mode = self::IN_CDATA_RCDATA; + $this->content_model = HTML5_Tokenizer::RCDATA; + } + + private function getAttr($token, $key) { + if (!isset($token['attr'])) return false; + $ret = false; + foreach ($token['attr'] as $keypair) { + if ($keypair['name'] === $key) $ret = $keypair['value']; + } + return $ret; + } + + private function getCurrentTable() { + /* The current table is the last table element in the stack of open + * elements, if there is one. If there is no table element in the stack + * of open elements (fragment case), then the current table is the + * first element in the stack of open elements (the html element). */ + for ($i = count($this->stack) - 1; $i >= 0; $i--) { + if ($this->stack[$i]->tagName === 'table') { + return $this->stack[$i]; + } + } + return $this->stack[0]; + } + + private function getFosterParent() { + /* The foster parent element is the parent element of the last + table element in the stack of open elements, if there is a + table element and it has such a parent element. If there is no + table element in the stack of open elements (innerHTML case), + then the foster parent element is the first element in the + stack of open elements (the html element). Otherwise, if there + is a table element in the stack of open elements, but the last + table element in the stack of open elements has no parent, or + its parent node is not an element, then the foster parent + element is the element before the last table element in the + stack of open elements. */ + for($n = count($this->stack) - 1; $n >= 0; $n--) { + if($this->stack[$n]->tagName === 'table') { + $table = $this->stack[$n]; + break; + } + } + + if(isset($table) && $table->parentNode !== null) { + return $table->parentNode; + + } elseif(!isset($table)) { + return $this->stack[0]; + + } elseif(isset($table) && ($table->parentNode === null || + $table->parentNode->nodeType !== XML_ELEMENT_NODE)) { + return $this->stack[$n - 1]; + } + } + + public function fosterParent($node) { + $foster_parent = $this->getFosterParent(); + $table = $this->getCurrentTable(); // almost equivalent to last table element, except it can be html + /* When a node node is to be foster parented, the node node must be + * inserted into the foster parent element, and the current table must + * be marked as tainted. (Once the current table has been tainted, + * whitespace characters are inserted into the foster parent element + * instead of the current node.) */ + $table->tainted = true; + /* If the foster parent element is the parent element of the last table + * element in the stack of open elements, then node must be inserted + * immediately before the last table element in the stack of open + * elements in the foster parent element; otherwise, node must be + * appended to the foster parent element. */ + if ($table->tagName === 'table' && $table->parentNode->isSameNode($foster_parent)) { + $foster_parent->insertBefore($node, $table); + } else { + $foster_parent->appendChild($node); + } + } + + /** + * For debugging, prints the stack + */ + private function printStack() { + $names = array(); + foreach ($this->stack as $i => $element) { + $names[] = $element->tagName; + } + echo " -> stack [" . implode(', ', $names) . "]\n"; + } + + /** + * For debugging, prints active formatting elements + */ + private function printActiveFormattingElements() { + if (!$this->a_formatting) return; + $names = array(); + foreach ($this->a_formatting as $node) { + if ($node === self::MARKER) $names[] = 'MARKER'; + else $names[] = $node->tagName; + } + echo " -> active formatting [" . implode(', ', $names) . "]\n"; + } + + public function currentTableIsTainted() { + return !empty($this->getCurrentTable()->tainted); + } + + /** + * Sets up the tree constructor for building a fragment. + */ + public function setupContext($context = null) { + $this->fragment = true; + if ($context) { + $context = $this->dom->createElementNS(self::NS_HTML, $context); + /* 4.1. Set the HTML parser's tokenization stage's content model + * flag according to the context element, as follows: */ + switch ($context->tagName) { + case 'title': case 'textarea': + $this->content_model = HTML5_Tokenizer::RCDATA; + break; + case 'style': case 'script': case 'xmp': case 'iframe': + case 'noembed': case 'noframes': + $this->content_model = HTML5_Tokenizer::CDATA; + break; + case 'noscript': + // XSCRIPT: assuming scripting is enabled + $this->content_model = HTML5_Tokenizer::CDATA; + break; + case 'plaintext': + $this->content_model = HTML5_Tokenizer::PLAINTEXT; + break; + } + /* 4.2. Let root be a new html element with no attributes. */ + $root = $this->dom->createElementNS(self::NS_HTML, 'html'); + $this->root = $root; + /* 4.3 Append the element root to the Document node created above. */ + $this->dom->appendChild($root); + /* 4.4 Set up the parser's stack of open elements so that it + * contains just the single element root. */ + $this->stack = array($root); + /* 4.5 Reset the parser's insertion mode appropriately. */ + $this->resetInsertionMode($context); + /* 4.6 Set the parser's form element pointer to the nearest node + * to the context element that is a form element (going straight up + * the ancestor chain, and including the element itself, if it is a + * form element), or, if there is no such form element, to null. */ + $node = $context; + do { + if ($node->tagName === 'form') { + $this->form_pointer = $node; + break; + } + } while ($node = $node->parentNode); + } + } + + public function adjustMathMLAttributes($token) { + foreach ($token['attr'] as &$kp) { + if ($kp['name'] === 'definitionurl') { + $kp['name'] = 'definitionURL'; + } + } + return $token; + } + + public function adjustSVGAttributes($token) { + static $lookup = array( + 'attributename' => 'attributeName', + 'attributetype' => 'attributeType', + 'basefrequency' => 'baseFrequency', + 'baseprofile' => 'baseProfile', + 'calcmode' => 'calcMode', + 'clippathunits' => 'clipPathUnits', + 'contentscripttype' => 'contentScriptType', + 'contentstyletype' => 'contentStyleType', + 'diffuseconstant' => 'diffuseConstant', + 'edgemode' => 'edgeMode', + 'externalresourcesrequired' => 'externalResourcesRequired', + 'filterres' => 'filterRes', + 'filterunits' => 'filterUnits', + 'glyphref' => 'glyphRef', + 'gradienttransform' => 'gradientTransform', + 'gradientunits' => 'gradientUnits', + 'kernelmatrix' => 'kernelMatrix', + 'kernelunitlength' => 'kernelUnitLength', + 'keypoints' => 'keyPoints', + 'keysplines' => 'keySplines', + 'keytimes' => 'keyTimes', + 'lengthadjust' => 'lengthAdjust', + 'limitingconeangle' => 'limitingConeAngle', + 'markerheight' => 'markerHeight', + 'markerunits' => 'markerUnits', + 'markerwidth' => 'markerWidth', + 'maskcontentunits' => 'maskContentUnits', + 'maskunits' => 'maskUnits', + 'numoctaves' => 'numOctaves', + 'pathlength' => 'pathLength', + 'patterncontentunits' => 'patternContentUnits', + 'patterntransform' => 'patternTransform', + 'patternunits' => 'patternUnits', + 'pointsatx' => 'pointsAtX', + 'pointsaty' => 'pointsAtY', + 'pointsatz' => 'pointsAtZ', + 'preservealpha' => 'preserveAlpha', + 'preserveaspectratio' => 'preserveAspectRatio', + 'primitiveunits' => 'primitiveUnits', + 'refx' => 'refX', + 'refy' => 'refY', + 'repeatcount' => 'repeatCount', + 'repeatdur' => 'repeatDur', + 'requiredextensions' => 'requiredExtensions', + 'requiredfeatures' => 'requiredFeatures', + 'specularconstant' => 'specularConstant', + 'specularexponent' => 'specularExponent', + 'spreadmethod' => 'spreadMethod', + 'startoffset' => 'startOffset', + 'stddeviation' => 'stdDeviation', + 'stitchtiles' => 'stitchTiles', + 'surfacescale' => 'surfaceScale', + 'systemlanguage' => 'systemLanguage', + 'tablevalues' => 'tableValues', + 'targetx' => 'targetX', + 'targety' => 'targetY', + 'textlength' => 'textLength', + 'viewbox' => 'viewBox', + 'viewtarget' => 'viewTarget', + 'xchannelselector' => 'xChannelSelector', + 'ychannelselector' => 'yChannelSelector', + 'zoomandpan' => 'zoomAndPan', + ); + foreach ($token['attr'] as &$kp) { + if (isset($lookup[$kp['name']])) { + $kp['name'] = $lookup[$kp['name']]; + } + } + return $token; + } + + public function adjustForeignAttributes($token) { + static $lookup = array( + 'xlink:actuate' => array('xlink', 'actuate', self::NS_XLINK), + 'xlink:arcrole' => array('xlink', 'arcrole', self::NS_XLINK), + 'xlink:href' => array('xlink', 'href', self::NS_XLINK), + 'xlink:role' => array('xlink', 'role', self::NS_XLINK), + 'xlink:show' => array('xlink', 'show', self::NS_XLINK), + 'xlink:title' => array('xlink', 'title', self::NS_XLINK), + 'xlink:type' => array('xlink', 'type', self::NS_XLINK), + 'xml:base' => array('xml', 'base', self::NS_XML), + 'xml:lang' => array('xml', 'lang', self::NS_XML), + 'xml:space' => array('xml', 'space', self::NS_XML), + 'xmlns' => array(null, 'xmlns', self::NS_XMLNS), + 'xmlns:xlink' => array('xmlns', 'xlink', self::NS_XMLNS), + ); + foreach ($token['attr'] as &$kp) { + if (isset($lookup[$kp['name']])) { + $kp['name'] = $lookup[$kp['name']]; + } + } + return $token; + } + + public function insertForeignElement($token, $namespaceURI) { + $el = $this->dom->createElementNS($namespaceURI, $token['name']); + if (!empty($token['attr'])) { + foreach ($token['attr'] as $kp) { + $attr = $kp['name']; + if (is_array($attr)) { + $ns = $attr[2]; + $attr = $attr[1]; + } else { + $ns = self::NS_HTML; + } + if (!$el->hasAttributeNS($ns, $attr)) { + // XSKETCHY: work around godawful libxml bug + if ($ns === self::NS_XLINK) { + $el->setAttribute('xlink:'.$attr, $kp['value']); + } elseif ($ns === self::NS_HTML) { + // Another godawful libxml bug + $el->setAttribute($attr, $kp['value']); + } else { + $el->setAttributeNS($ns, $attr, $kp['value']); + } + } + } + } + $this->appendToRealParent($el); + $this->stack[] = $el; + // XERROR: see below + /* If the newly created element has an xmlns attribute in the XMLNS + * namespace whose value is not exactly the same as the element's + * namespace, that is a parse error. Similarly, if the newly created + * element has an xmlns:xlink attribute in the XMLNS namespace whose + * value is not the XLink Namespace, that is a parse error. */ + } + + public function save() { + $this->dom->normalize(); + if (!$this->fragment) { + return $this->dom; + } else { + if ($this->root) { + return $this->root->childNodes; + } else { + return $this->dom->childNodes; + } + } + } +} + diff --git a/library/HTML5/named-character-references.ser b/library/HTML5/named-character-references.ser new file mode 100644 index 000000000..3004c4b91 --- /dev/null +++ b/library/HTML5/named-character-references.ser @@ -0,0 +1 @@ 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\ No newline at end of file |