Replace Mardownify library with html-to-markdown library.

1 files changed, 0 insertions, 564 deletions

diff --git a/vendor/pixel418/markdownify/src/Parser.php b/vendor/pixel418/markdownify/src/Parser.php
deleted file mode 100644
index 90fcdf9f8..000000000
--- a/vendor/pixel418/markdownify/src/Parser.php
+++ /dev/null
@@ -1,564 +0,0 @@
-<?php
-
-/* This file is part of the Markdownify project, which is under LGPL license */
-
-namespace Markdownify;
-
-class Parser
-{
-    public static $skipWhitespace = true;
-    public static $a_ord;
-    public static $z_ord;
-    public static $special_ords;
-
-    /**
-     * tags which are always empty (<br /> etc.)
-     *
-     * @var array<string>
-     */
-    public $emptyTags = array(
-        'br',
-        'hr',
-        'input',
-        'img',
-        'area',
-        'link',
-        'meta',
-        'param',
-    );
-
-    /**
-     * tags with preformatted text
-     * whitespaces wont be touched in them
-     *
-     * @var array<string>
-     */
-    public $preformattedTags = array(
-        'script',
-        'style',
-        'pre',
-        'code',
-    );
-
-    /**
-     * supress HTML tags inside preformatted tags (see above)
-     *
-     * @var bool
-     */
-    public $noTagsInCode = false;
-
-    /**
-     * html to be parsed
-     *
-     * @var string
-     */
-    public $html = '';
-
-    /**
-     * node type:
-     *
-     * - tag (see isStartTag)
-     * - text (includes cdata)
-     * - comment
-     * - doctype
-     * - pi (processing instruction)
-     *
-     * @var string
-     */
-    public $nodeType = '';
-
-    /**
-     * current node content, i.e. either a
-     * simple string (text node), or something like
-     * <tag attrib="value"...>
-     *
-     * @var string
-     */
-    public $node = '';
-
-    /**
-     * wether current node is an opening tag (<a>) or not (</a>)
-     * set to NULL if current node is not a tag
-     * NOTE: empty tags (<br />) set this to true as well!
-     *
-     * @var bool | null
-     */
-    public $isStartTag = null;
-
-    /**
-     * wether current node is an empty tag (<br />) or not (<a></a>)
-     *
-     * @var bool | null
-     */
-    public $isEmptyTag = null;
-
-    /**
-     * tag name
-     *
-     * @var string | null
-     */
-    public $tagName = '';
-
-    /**
-     * attributes of current tag
-     *
-     * @var array (attribName=>value) | null
-     */
-    public $tagAttributes = null;
-
-    /**
-     * whether or not the actual context is a inline context
-     *
-     * @var bool | null
-     */
-    public $isInlineContext = null;
-
-    /**
-     * whether the current tag is a block element
-     *
-     * @var bool | null
-     */
-    public $isBlockElement = null;
-
-    /**
-     * whether the previous tag (browser) is a block element
-     *
-     * @var bool | null
-     */
-    public $isNextToInlineContext = null;
-
-    /**
-     * keep whitespace
-     *
-     * @var int
-     */
-    public $keepWhitespace = 0;
-
-    /**
-     * list of open tags
-     * count this to get current depth
-     *
-     * @var array
-     */
-    public $openTags = array();
-
-    /**
-     * list of block elements
-     *
-     * @var array
-     * TODO: what shall we do with <del> and <ins> ?!
-     */
-    public $blockElements = array(
-        // tag name => <bool> is block
-        // block elements
-        'address' => true,
-        'blockquote' => true,
-        'center' => true,
-        'del' => true,
-        'dir' => true,
-        'div' => true,
-        'dl' => true,
-        'fieldset' => true,
-        'form' => true,
-        'h1' => true,
-        'h2' => true,
-        'h3' => true,
-        'h4' => true,
-        'h5' => true,
-        'h6' => true,
-        'hr' => true,
-        'ins' => true,
-        'isindex' => true,
-        'menu' => true,
-        'noframes' => true,
-        'noscript' => true,
-        'ol' => true,
-        'p' => true,
-        'pre' => true,
-        'table' => true,
-        'ul' => true,
-        // set table elements and list items to block as well
-        'thead' => true,
-        'tbody' => true,
-        'tfoot' => true,
-        'td' => true,
-        'tr' => true,
-        'th' => true,
-        'li' => true,
-        'dd' => true,
-        'dt' => true,
-        // header items and html / body as well
-        'html' => true,
-        'body' => true,
-        'head' => true,
-        'meta' => true,
-        'link' => true,
-        'style' => true,
-        'title' => true,
-        // unfancy media tags, when indented should be rendered as block
-        'map' => true,
-        'object' => true,
-        'param' => true,
-        'embed' => true,
-        'area' => true,
-        // inline elements
-        'a' => false,
-        'abbr' => false,
-        'acronym' => false,
-        'applet' => false,
-        'b' => false,
-        'basefont' => false,
-        'bdo' => false,
-        'big' => false,
-        'br' => false,
-        'button' => false,
-        'cite' => false,
-        'code' => false,
-        'del' => false,
-        'dfn' => false,
-        'em' => false,
-        'font' => false,
-        'i' => false,
-        'img' => false,
-        'ins' => false,
-        'input' => false,
-        'iframe' => false,
-        'kbd' => false,
-        'label' => false,
-        'q' => false,
-        'samp' => false,
-        'script' => false,
-        'select' => false,
-        'small' => false,
-        'span' => false,
-        'strong' => false,
-        'sub' => false,
-        'sup' => false,
-        'textarea' => false,
-        'tt' => false,
-        'var' => false,
-    );
-
-    /**
-     * get next node, set $this->html prior!
-     *
-     * @param void
-     * @return bool
-     */
-    public function nextNode()
-    {
-        if (empty($this->html)) {
-            // we are done with parsing the html string
-
-            return false;
-        }
-
-        if ($this->isStartTag && !$this->isEmptyTag) {
-            array_push($this->openTags, $this->tagName);
-            if (in_array($this->tagName, $this->preformattedTags)) {
-                // dont truncate whitespaces for <code> or <pre> contents
-                $this->keepWhitespace++;
-            }
-        }
-
-        if ($this->html[0] == '<') {
-            $token = substr($this->html, 0, 9);
-            if (substr($token, 0, 2) == '<?') {
-                // xml prolog or other pi's
-                /** TODO **/
-                // trigger_error('this might need some work', E_USER_NOTICE);
-                $pos = strpos($this->html, '>');
-                $this->setNode('pi', $pos + 1);
-
-                return true;
-            }
-            if (substr($token, 0, 4) == '<!--') {
-                // comment
-                $pos = strpos($this->html, '-->');
-                if ($pos === false) {
-                    // could not find a closing -->, use next gt instead
-                    // this is firefox' behaviour
-                    $pos = strpos($this->html, '>') + 1;
-                } else {
-                    $pos += 3;
-                }
-                $this->setNode('comment', $pos);
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($token == '<!DOCTYPE') {
-                // doctype
-                $this->setNode('doctype', strpos($this->html, '>') + 1);
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($token == '<![CDATA[') {
-                // cdata, use text node
-
-                // remove leading <![CDATA[
-                $this->html = substr($this->html, 9);
-
-                $this->setNode('text', strpos($this->html, ']]>') + 3);
-
-                // remove trailing ]]> and trim
-                $this->node = substr($this->node, 0, -3);
-                $this->handleWhitespaces();
-
-                static::$skipWhitespace = true;
-
-                return true;
-            }
-            if ($this->parseTag()) {
-                // seems to be a tag
-                // handle whitespaces
-                if ($this->isBlockElement) {
-                    static::$skipWhitespace = true;
-                } else {
-                    static::$skipWhitespace = false;
-                }
-
-                return true;
-            }
-        }
-        if ($this->keepWhitespace) {
-            static::$skipWhitespace = false;
-        }
-        // when we get here it seems to be a text node
-        $pos = strpos($this->html, '<');
-        if ($pos === false) {
-            $pos = strlen($this->html);
-        }
-        $this->setNode('text', $pos);
-        $this->handleWhitespaces();
-        if (static::$skipWhitespace && $this->node == ' ') {
-            return $this->nextNode();
-        }
-        $this->isInlineContext = true;
-        static::$skipWhitespace = false;
-
-        return true;
-    }
-
-    /**
-     * parse tag, set tag name and attributes, see if it's a closing tag and so forth...
-     *
-     * @param void
-     * @return bool
-     */
-    protected function parseTag()
-    {
-        if (!isset(static::$a_ord)) {
-            static::$a_ord = ord('a');
-            static::$z_ord = ord('z');
-            static::$special_ords = array(
-                ord(':'), // for xml:lang
-                ord('-'), // for http-equiv
-            );
-        }
-
-        $tagName = '';
-
-        $pos = 1;
-        $isStartTag = $this->html[$pos] != '/';
-        if (!$isStartTag) {
-            $pos++;
-        }
-        // get tagName
-        while (isset($this->html[$pos])) {
-            $pos_ord = ord(strtolower($this->html[$pos]));
-            if (($pos_ord >= static::$a_ord && $pos_ord <= static::$z_ord) || (!empty($tagName) && is_numeric($this->html[$pos]))) {
-                $tagName .= $this->html[$pos];
-                $pos++;
-            } else {
-                $pos--;
-                break;
-            }
-        }
-
-        $tagName = strtolower($tagName);
-        if (empty($tagName) || !isset($this->blockElements[$tagName])) {
-            // something went wrong => invalid tag
-            $this->invalidTag();
-
-            return false;
-        }
-        if ($this->noTagsInCode && end($this->openTags) == 'code' && !($tagName == 'code' && !$isStartTag)) {
-            // we supress all HTML tags inside code tags
-            $this->invalidTag();
-
-            return false;
-        }
-
-        // get tag attributes
-        /** TODO: in html 4 attributes do not need to be quoted **/
-        $isEmptyTag = false;
-        $attributes = array();
-        $currAttrib = '';
-        while (isset($this->html[$pos + 1])) {
-            $pos++;
-            // close tag
-            if ($this->html[$pos] == '>' || $this->html[$pos] . $this->html[$pos + 1] == '/>') {
-                if ($this->html[$pos] == '/') {
-                    $isEmptyTag = true;
-                    $pos++;
-                }
-                break;
-            }
-
-            $pos_ord = ord(strtolower($this->html[$pos]));
-            if (($pos_ord >= static::$a_ord && $pos_ord <= static::$z_ord) || in_array($pos_ord, static::$special_ords)) {
-                // attribute name
-                $currAttrib .= $this->html[$pos];
-            } elseif (in_array($this->html[$pos], array(' ', "\t", "\n"))) {
-                // drop whitespace
-            } elseif (in_array($this->html[$pos] . $this->html[$pos + 1], array('="', "='"))) {
-                // get attribute value
-                $pos++;
-                $await = $this->html[$pos]; // single or double quote
-                $pos++;
-                $value = '';
-                while (isset($this->html[$pos]) && $this->html[$pos] != $await) {
-                    $value .= $this->html[$pos];
-                    $pos++;
-                }
-                $attributes[$currAttrib] = $value;
-                $currAttrib = '';
-            } else {
-                $this->invalidTag();
-
-                return false;
-            }
-        }
-        if ($this->html[$pos] != '>') {
-            $this->invalidTag();
-
-            return false;
-        }
-
-        if (!empty($currAttrib)) {
-            // html 4 allows something like <option selected> instead of <option selected="selected">
-            $attributes[$currAttrib] = $currAttrib;
-        }
-        if (!$isStartTag) {
-            if (!empty($attributes) || $tagName != end($this->openTags)) {
-                // end tags must not contain any attributes
-                // or maybe we did not expect a different tag to be closed
-                $this->invalidTag();
-
-                return false;
-            }
-            array_pop($this->openTags);
-            if (in_array($tagName, $this->preformattedTags)) {
-                $this->keepWhitespace--;
-            }
-        }
-        $pos++;
-        $this->node = substr($this->html, 0, $pos);
-        $this->html = substr($this->html, $pos);
-        $this->tagName = $tagName;
-        $this->tagAttributes = $attributes;
-        $this->isStartTag = $isStartTag;
-        $this->isEmptyTag = $isEmptyTag || in_array($tagName, $this->emptyTags);
-        if ($this->isEmptyTag) {
-            // might be not well formed
-            $this->node = preg_replace('# */? *>$#', ' />', $this->node);
-        }
-        $this->nodeType = 'tag';
-        $this->isBlockElement = $this->blockElements[$tagName];
-        $this->isNextToInlineContext = $isStartTag && $this->isInlineContext;
-        $this->isInlineContext = !$this->isBlockElement;
-        return true;
-    }
-
-    /**
-     * handle invalid tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function invalidTag()
-    {
-        $this->html = substr_replace($this->html, '&lt;', 0, 1);
-    }
-
-    /**
-     * update all vars and make $this->html shorter
-     *
-     * @param string $type see description for $this->nodeType
-     * @param int $pos to which position shall we cut?
-     * @return void
-     */
-    protected function setNode($type, $pos)
-    {
-        if ($this->nodeType == 'tag') {
-            // set tag specific vars to null
-            // $type == tag should not be called here
-            // see this::parseTag() for more
-            $this->tagName = null;
-            $this->tagAttributes = null;
-            $this->isStartTag = null;
-            $this->isEmptyTag = null;
-            $this->isBlockElement = null;
-
-        }
-        $this->nodeType = $type;
-        $this->node = substr($this->html, 0, $pos);
-        $this->html = substr($this->html, $pos);
-    }
-
-    /**
-     * check if $this->html begins with $str
-     *
-     * @param string $str
-     * @return bool
-     */
-    protected function match($str)
-    {
-        return substr($this->html, 0, strlen($str)) == $str;
-    }
-
-    /**
-     * truncate whitespaces
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleWhitespaces()
-    {
-        if ($this->keepWhitespace) {
-            // <pre> or <code> before...
-
-            return;
-        }
-        // truncate multiple whitespaces to a single one
-        $this->node = preg_replace('#\s+#s', ' ', $this->node);
-    }
-
-    /**
-     * normalize self::node
-     *
-     * @param void
-     * @return void
-     */
-    protected function normalizeNode()
-    {
-        $this->node = '<';
-        if (!$this->isStartTag) {
-            $this->node .= '/' . $this->tagName . '>';
-
-            return;
-        }
-        $this->node .= $this->tagName;
-        foreach ($this->tagAttributes as $name => $value) {
-            $this->node .= ' ' . $name . '="' . str_replace('"', '&quot;', $value) . '"';
-        }
-        if ($this->isEmptyTag) {
-            $this->node .= ' /';
-        }
-        $this->node .= '>';
-    }
-}