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Mike Macgirvin 2010-07-01 16:48:07 -07:00
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120
library/HTML5/Data.php Normal file
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<?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;
}
}

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<?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--;
}
}
}

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<?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();
}
}

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<?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;
}
}
}

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library/HTML5/TreeBuilder.php Normal file
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<?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;
}
}
}
}

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