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-rw-r--r--plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php416
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diff --git a/plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php b/plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php
deleted file mode 100644
index 1b52983e7..000000000
--- a/plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php
+++ /dev/null
@@ -1,416 +0,0 @@
-<?php
-
-namespace Masterminds\HTML5\Parser;
-
-use Masterminds\HTML5\Exception;
-
-/**
- * The scanner scans over a given data input to react appropriately to characters.
- */
-class Scanner
-{
- const CHARS_HEX = 'abcdefABCDEF01234567890';
- const CHARS_ALNUM = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890';
- const CHARS_ALPHA = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
-
- /**
- * 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();
-
- /**
- * Create a new Scanner.
- *
- * @param string $data Data to parse.
- * @param string $encoding The encoding to use for the data.
- *
- * @throws Exception If the given data cannot be encoded to UTF-8.
- */
- public function __construct($data, $encoding = 'UTF-8')
- {
- if ($data instanceof InputStream) {
- @trigger_error('InputStream objects are deprecated since version 2.4 and will be removed in 3.0. Use strings instead.', E_USER_DEPRECATED);
- $data = (string) $data;
- }
-
- $data = UTF8Utils::convertToUTF8($data, $encoding);
-
- // There is good reason to question whether it makes sense to
- // do this here, since most of these checks are done during
- // parsing, and since this check doesn't actually *do* anything.
- $this->errors = UTF8Utils::checkForIllegalCodepoints($data);
-
- $data = $this->replaceLinefeeds($data);
-
- $this->data = $data;
- $this->char = 0;
- $this->EOF = strlen($data);
- }
-
- /**
- * Check if upcomming chars match the given sequence.
- *
- * This will read the stream for the $sequence. If it's
- * found, this will return true. If not, return false.
- * Since this unconsumes any chars it reads, the caller
- * will still need to read the next sequence, even if
- * this returns true.
- *
- * Example: $this->scanner->sequenceMatches('</script>') will
- * see if the input stream is at the start of a
- * '</script>' string.
- *
- * @param string $sequence
- * @param bool $caseSensitive
- *
- * @return bool
- */
- public function sequenceMatches($sequence, $caseSensitive = true)
- {
- $portion = substr($this->data, $this->char, strlen($sequence));
-
- return $caseSensitive ? $portion === $sequence : 0 === strcasecmp($portion, $sequence);
- }
-
- /**
- * Get the current position.
- *
- * @return int The current intiger byte position.
- */
- public function position()
- {
- return $this->char;
- }
-
- /**
- * Take a peek at the next character in the data.
- *
- * @return string The next character.
- */
- public function peek()
- {
- if (($this->char + 1) <= $this->EOF) {
- return $this->data[$this->char + 1];
- }
-
- return false;
- }
-
- /**
- * Get the next character.
- * Note: This advances the pointer.
- *
- * @return string The next character.
- */
- public function next()
- {
- ++$this->char;
-
- if ($this->char < $this->EOF) {
- return $this->data[$this->char];
- }
-
- return false;
- }
-
- /**
- * Get the current character.
- * Note, this does not advance the pointer.
- *
- * @return string The current character.
- */
- public function current()
- {
- if ($this->char < $this->EOF) {
- return $this->data[$this->char];
- }
-
- return false;
- }
-
- /**
- * Silently consume N chars.
- *
- * @param int $count
- */
- public function consume($count = 1)
- {
- $this->char += $count;
- }
-
- /**
- * Unconsume some of the data.
- * This moves the data pointer backwards.
- *
- * @param int $howMany The number of characters to move the pointer back.
- */
- public function unconsume($howMany = 1)
- {
- if (($this->char - $howMany) >= 0) {
- $this->char -= $howMany;
- }
- }
-
- /**
- * Get the next group of that contains hex characters.
- * Note, along with getting the characters the pointer in the data will be
- * moved as well.
- *
- * @return string The next group that is hex characters.
- */
- public function getHex()
- {
- return $this->doCharsWhile(static::CHARS_HEX);
- }
-
- /**
- * Get the next group of characters that are ASCII Alpha characters.
- * Note, along with getting the characters the pointer in the data will be
- * moved as well.
- *
- * @return string The next group of ASCII alpha characters.
- */
- public function getAsciiAlpha()
- {
- return $this->doCharsWhile(static::CHARS_ALPHA);
- }
-
- /**
- * Get the next group of characters that are ASCII Alpha characters and numbers.
- * Note, along with getting the characters the pointer in the data will be
- * moved as well.
- *
- * @return string The next group of ASCII alpha characters and numbers.
- */
- public function getAsciiAlphaNum()
- {
- return $this->doCharsWhile(static::CHARS_ALNUM);
- }
-
- /**
- * Get the next group of numbers.
- * Note, along with getting the characters the pointer in the data will be
- * moved as well.
- *
- * @return string The next group of numbers.
- */
- public function getNumeric()
- {
- return $this->doCharsWhile('0123456789');
- }
-
- /**
- * Consume whitespace.
- * Whitespace in HTML5 is: formfeed, tab, newline, space.
- *
- * @return int The length of the matched whitespaces.
- */
- public function whitespace()
- {
- if ($this->char >= $this->EOF) {
- return false;
- }
-
- $len = strspn($this->data, "\n\t\f ", $this->char);
-
- $this->char += $len;
-
- return $len;
- }
-
- /**
- * Returns the current line that is being consumed.
- *
- * @return int The current line number.
- */
- public function currentLine()
- {
- if (empty($this->EOF) || 0 === $this->char) {
- return 1;
- }
-
- // 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;
- }
-
- /**
- * Read chars until something in the mask is encountered.
- *
- * @param string $mask
- *
- * @return mixed
- */
- public function charsUntil($mask)
- {
- return $this->doCharsUntil($mask);
- }
-
- /**
- * Read chars as long as the mask matches.
- *
- * @param string $mask
- *
- * @return int
- */
- public function charsWhile($mask)
- {
- return $this->doCharsWhile($mask);
- }
-
- /**
- * Returns the current column of the current line that the tokenizer is at.
- *
- * Newlines are column 0. The first char after a newline is column 1.
- *
- * @return int The column number.
- */
- public function columnOffset()
- {
- // Short circuit for the first char.
- if (0 === $this->char) {
- return 0;
- }
-
- // 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.
- $backwardFrom = $this->char - 1 - strlen($this->data);
- $lastLine = strrpos($this->data, "\n", $backwardFrom);
-
- // However, for here we want the length up until the next byte to be
- // processed, so add one to the current byte ($this->char).
- if (false !== $lastLine) {
- $findLengthOf = substr($this->data, $lastLine + 1, $this->char - 1 - $lastLine);
- } else {
- // After a newline.
- $findLengthOf = substr($this->data, 0, $this->char);
- }
-
- return UTF8Utils::countChars($findLengthOf);
- }
-
- /**
- * Get all characters until EOF.
- *
- * This consumes characters until the EOF.
- *
- * @return int The number of characters remaining.
- */
- public function remainingChars()
- {
- if ($this->char < $this->EOF) {
- $data = substr($this->data, $this->char);
- $this->char = $this->EOF;
-
- return $data;
- }
-
- return ''; // false;
- }
-
- /**
- * Replace linefeed characters according to the spec.
- *
- * @param $data
- *
- * @return string
- */
- private function replaceLinefeeds($data)
- {
- /*
- * 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.
- */
- $crlfTable = array(
- "\0" => "\xEF\xBF\xBD",
- "\r\n" => "\n",
- "\r" => "\n",
- );
-
- return strtr($data, $crlfTable);
- }
-
- /**
- * Read to a particular match (or until $max bytes are consumed).
- *
- * This operates on byte sequences, not characters.
- *
- * Matches as far as possible until we reach a certain set of bytes
- * and returns the matched substring.
- *
- * @param string $bytes Bytes to match.
- * @param int $max Maximum number of bytes to scan.
- *
- * @return mixed Index or false if no match is found. You should use strong
- * equality when checking the result, since index could be 0.
- */
- private function doCharsUntil($bytes, $max = null)
- {
- if ($this->char >= $this->EOF) {
- return false;
- }
-
- if (0 === $max || $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;
- }
-
- /**
- * Returns the string so long as $bytes matches.
- *
- * Matches as far as possible with a certain set of bytes
- * and returns the matched substring.
- *
- * @param string $bytes A mask of bytes to match. If ANY byte in this mask matches the
- * current char, the pointer advances and the char is part of the
- * substring.
- * @param int $max The max number of chars to read.
- *
- * @return string
- */
- private function doCharsWhile($bytes, $max = null)
- {
- if ($this->char >= $this->EOF) {
- return false;
- }
-
- if (0 === $max || $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;
- }
-}