:arrow_up: :hammer: Upgrade Markdownify library.

The current version 2.0.0 (alpha) throws deprecated warning with
PHP7.1 and PHPUnit.
Upgrade the HTML to Markdown converter for PHP to the current
Markdownify 2.2.1.
Used composer to manage this library.

1 files changed, 0 insertions, 618 deletions

diff --git a/library/markdownify/parsehtml/parsehtml.php b/library/markdownify/parsehtml/parsehtml.php
deleted file mode 100644
index 1a8ecacda..000000000
--- a/library/markdownify/parsehtml/parsehtml.php
+++ /dev/null
@@ -1,618 +0,0 @@
-<?php
-/**
- * parseHTML is a HTML parser which works with PHP 4 and above.
- * It tries to handle invalid HTML to some degree.
- *
- * @version 1.0 beta
- * @author Milian Wolff (mail@milianw.de, http://milianw.de)
- * @license LGPL, see LICENSE_LGPL.txt and the summary below
- * @copyright (C) 2007  Milian Wolff
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-class parseHTML {
-  /**
-   * tags which are always empty (<br /> etc.)
-   *
-   * @var array<string>
-   */
-  var $emptyTags = array(
-    'br',
-    'hr',
-    'input',
-    'img',
-    'area',
-    'link',
-    'meta',
-    'param',
-  );
-  /**
-   * tags with preformatted text
-   * whitespaces wont be touched in them
-   *
-   * @var array<string>
-   */
-  var $preformattedTags = array(
-    'script',
-    'style',
-    'pre',
-    'code',
-  );
-  /**
-   * supress HTML tags inside preformatted tags (see above)
-   *
-   * @var bool
-   */
-  var $noTagsInCode = false;
-  /**
-   * html to be parsed
-   *
-   * @var string
-   */
-  var $html = '';
-  /**
-   * node type:
-   *
-   * - tag (see isStartTag)
-   * - text (includes cdata)
-   * - comment
-   * - doctype
-   * - pi (processing instruction)
-   *
-   * @var string
-   */
-  var $nodeType = '';
-  /**
-   * current node content, i.e. either a
-   * simple string (text node), or something like
-   * <tag attrib="value"...>
-   *
-   * @var string
-   */
-  var $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
-   */
-  var $isStartTag = null;
-  /**
-   * wether current node is an empty tag (<br />) or not (<a></a>)
-   *
-   * @var bool | null
-   */
-  var $isEmptyTag = null;
-  /**
-   * tag name
-   *
-   * @var string | null
-   */
-  var $tagName = '';
-  /**
-   * attributes of current tag
-   *
-   * @var array (attribName=>value) | null
-   */
-  var $tagAttributes = null;
-  /**
-   * wether the current tag is a block element
-   *
-   * @var bool | null
-   */
-  var $isBlockElement = null;
-
-  /**
-   * keep whitespace
-   *
-   * @var int
-   */
-  var $keepWhitespace = 0;
-  /**
-   * list of open tags
-   * count this to get current depth
-   *
-   * @var array
-   */
-  var $openTags = array();
-  /**
-   * list of block elements
-   *
-   * @var array
-   * TODO: what shall we do with <del> and <ins> ?!
-   */
-  var $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 $this->html prior!
-   *
-   * @param void
-   * @return bool
-   */
-  function nextNode() {
-    if (empty($this->html)) {
-      # we are done with parsing the html string
-      return false;
-    }
-    static $skipWhitespace = true;
-    if ($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);
-
-        $skipWhitespace = true;
-        return true;
-      }
-      if ($token == '<!DOCTYPE') {
-        # doctype
-        $this->setNode('doctype', strpos($this->html, '>')+1);
-
-        $skipWhitespace = true;
-        return true;
-      }
-      if ($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();
-
-        $skipWhitespace = true;
-        return true;
-      }
-      if ($this->parseTag()) {
-        # seems to be a tag
-        # handle whitespaces
-        if ($this->isBlockElement) {
-          $skipWhitespace = true;
-        } else {
-          $skipWhitespace = false;
-        }
-        return true;
-      }
-    }
-    if ($this->keepWhitespace) {
-      $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);
-    $this->handleWhitespaces();
-    if ($skipWhitespace && $this->node == ' ') {
-      return $this->nextNode();
-    }
-    $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
-   */
-  function parseTag() {
-    static $a_ord, $z_ord, $special_ords;
-    if (!isset($a_ord)) {
-      $a_ord = ord('a');
-      $z_ord = ord('z');
-      $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 >= $a_ord && $pos_ord <= $z_ord) || (!empty($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 >= $a_ord && $pos_ord <= $z_ord) || in_array($pos_ord, $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];
-    return true;
-  }
-  /**
-   * handle invalid tags
-   *
-   * @param void
-   * @return void
-   */
-  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 $pos to which position shall we cut?
-   * @return void
-   */
-  function setNode($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 $str
-   * @return bool
-   */
-  function match($str) {
-    return substr($this->html, 0, strlen($str)) == $str;
-  }
-  /**
-   * truncate whitespaces
-   *
-   * @param void
-   * @return void
-   */
-  function handleWhitespaces() {
-    if ($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
-   */
-  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 .= '>';
-  }
-}
-
-/**
- * indent a HTML string properly
- *
- * @param string $html
- * @param string $indent optional
- * @return string
- */
-function indentHTML($html, $indent = "  ", $noTagsInCode = false) {
-  $parser = new parseHTML;
-  $parser->noTagsInCode = $noTagsInCode;
-  $parser->html = $html;
-  $html = '';
-  $last = true; # last tag was block elem
-  $indent_a = array();
-  while($parser->nextNode()) {
-    if ($parser->nodeType == 'tag') {
-      $parser->normalizeNode();
-    }
-    if ($parser->nodeType == 'tag' && $parser->isBlockElement) {
-      $isPreOrCode = in_array($parser->tagName, array('code', 'pre'));
-      if (!$parser->keepWhitespace && !$last && !$isPreOrCode) {
-        $html = rtrim($html)."\n";
-      }
-      if ($parser->isStartTag) {
-        $html .= implode($indent_a);
-        if (!$parser->isEmptyTag) {
-          array_push($indent_a, $indent);
-        }
-      } else {
-        array_pop($indent_a);
-        if (!$isPreOrCode) {
-          $html .= implode($indent_a);
-        }
-      }
-      $html .= $parser->node;
-      if (!$parser->keepWhitespace && !($isPreOrCode && $parser->isStartTag)) {
-        $html .= "\n";
-      }
-      $last = true;
-    } else {
-      if ($parser->nodeType == 'tag' && $parser->tagName == 'br') {
-        $html .= $parser->node."\n";
-        $last = true;
-        continue;
-      } elseif ($last && !$parser->keepWhitespace) {
-        $html .= implode($indent_a);
-        $parser->node = ltrim($parser->node);
-      }
-      $html .= $parser->node;
-
-      if (in_array($parser->nodeType, array('comment', 'pi', 'doctype'))) {
-        $html .= "\n";
-      } else {
-        $last = false;
-      }
-    }
-  }
-  return $html;
-}
-/*
-# testcase / example
-error_reporting(E_ALL);
-
-$html = '<p>Simple block on one line:</p>
-
-<div>foo</div>
-
-<p>And nested without indentation:</p>
-
-<div>
-<div>
-<div>
-foo
-</div>
-<div style=">"/>
-</div>
-<div>bar</div>
-</div>
-
-<p>And with attributes:</p>
-
-<div>
-    <div id="foo">
-    </div>
-</div>
-
-<p>This was broken in 1.0.2b7:</p>
-
-<div class="inlinepage">
-<div class="toggleableend">
-foo
-</div>
-</div>';
-#$html = '<a href="asdfasdf"       title=\'asdf\' foo="bar">asdf</a>';
-echo indentHTML($html);
-die();
-*/