From 8ea537123d1cef38f25f9fbe92e3a9c0f89de55a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Tue, 13 Dec 2022 20:08:43 +0300
Subject: move af_readability out of master tree

---
 .../masterminds/html5/src/HTML5/Parser/Scanner.php | 416 ---------------------
 1 file changed, 416 deletions(-)
 delete mode 100644 plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php

(limited to 'plugins/af_readability/vendor/masterminds/html5/src/HTML5/Parser/Scanner.php')

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;
-    }
-}
-- 
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