Replace Mardownify library with html-to-markdown library.

1 files changed, 0 insertions, 573 deletions

diff --git a/vendor/pixel418/markdownify/src/ConverterExtra.php b/vendor/pixel418/markdownify/src/ConverterExtra.php
deleted file mode 100644
index 733955448..000000000
--- a/vendor/pixel418/markdownify/src/ConverterExtra.php
+++ /dev/null
@@ -1,573 +0,0 @@
-<?php
-
-/* This file is part of the Markdownify project, which is under LGPL license */
-
-namespace Markdownify;
-
-class ConverterExtra extends Converter
-{
-
-    /**
-     * table data, including rows with content and the maximum width of each col
-     *
-     * @var array
-     */
-    protected $table = array();
-
-    /**
-     * current col
-     *
-     * @var int
-     */
-    protected $col = -1;
-
-    /**
-     * current row
-     *
-     * @var int
-     */
-    protected $row = 0;
-
-    /**
-     * constructor, see Markdownify::Markdownify() for more information
-     */
-    public function __construct($linksAfterEachParagraph = self::LINK_AFTER_CONTENT, $bodyWidth = MDFY_BODYWIDTH, $keepHTML = MDFY_KEEPHTML)
-    {
-        parent::__construct($linksAfterEachParagraph, $bodyWidth, $keepHTML);
-
-        // new markdownable tags & attributes
-        // header ids: # foo {bar}
-        $this->isMarkdownable['h1']['id'] = 'optional';
-        $this->isMarkdownable['h1']['class'] = 'optional';
-        $this->isMarkdownable['h2']['id'] = 'optional';
-        $this->isMarkdownable['h2']['class'] = 'optional';
-        $this->isMarkdownable['h3']['id'] = 'optional';
-        $this->isMarkdownable['h3']['class'] = 'optional';
-        $this->isMarkdownable['h4']['id'] = 'optional';
-        $this->isMarkdownable['h4']['class'] = 'optional';
-        $this->isMarkdownable['h5']['id'] = 'optional';
-        $this->isMarkdownable['h5']['class'] = 'optional';
-        $this->isMarkdownable['h6']['id'] = 'optional';
-        $this->isMarkdownable['h6']['class'] = 'optional';
-        // tables
-        $this->isMarkdownable['table'] = array();
-        $this->isMarkdownable['th'] = array(
-            'align' => 'optional',
-        );
-        $this->isMarkdownable['td'] = array(
-            'align' => 'optional',
-        );
-        $this->isMarkdownable['tr'] = array();
-        array_push($this->ignore, 'thead');
-        array_push($this->ignore, 'tbody');
-        array_push($this->ignore, 'tfoot');
-        // definition lists
-        $this->isMarkdownable['dl'] = array();
-        $this->isMarkdownable['dd'] = array();
-        $this->isMarkdownable['dt'] = array();
-        // link class
-        $this->isMarkdownable['a']['id'] = 'optional';
-        $this->isMarkdownable['a']['class'] = 'optional';
-        // footnotes
-        $this->isMarkdownable['fnref'] = array(
-            'target' => 'required',
-        );
-        $this->isMarkdownable['footnotes'] = array();
-        $this->isMarkdownable['fn'] = array(
-            'name' => 'required',
-        );
-        $this->parser->blockElements['fnref'] = false;
-        $this->parser->blockElements['fn'] = true;
-        $this->parser->blockElements['footnotes'] = true;
-        // abbr
-        $this->isMarkdownable['abbr'] = array(
-            'title' => 'required',
-        );
-        // build RegEx lookahead to decide wether table can pe parsed or not
-        $inlineTags = array_keys($this->parser->blockElements, false);
-        $colContents = '(?:[^<]|<(?:' . implode('|', $inlineTags) . '|[^a-z]))*';
-        $this->tableLookaheadHeader = '{
-    ^\s*(?:<thead\s*>)?\s*                                  # open optional thead
-      <tr\s*>\s*(?:                                         # start required row with headers
-        <th(?:\s+align=("|\')(?:left|center|right)\1)?\s*>  # header with optional align
-        \s*' . $colContents . '\s*                              # contents
-        </th>\s*                                            # close header
-      )+</tr>                                               # close row with headers
-    \s*(?:</thead>)?                                        # close optional thead
-    }sxi';
-        $this->tdSubstitute = '\s*' . $colContents . '\s*           # contents
-          </td>\s*';
-        $this->tableLookaheadBody = '{
-      \s*(?:<tbody\s*>)?\s*                                 # open optional tbody
-        (?:<tr\s*>\s*                                       # start row
-          %s                                                # cols to be substituted
-        </tr>)+                                             # close row
-      \s*(?:</tbody>)?                                      # close optional tbody
-    \s*</table>                                             # close table
-    }sxi';
-    }
-
-    /**
-     * handle header tags (<h1> - <h6>)
-     *
-     * @param int $level 1-6
-     * @return void
-     */
-    protected function handleHeader($level)
-    {
-        if ($this->parser->isStartTag) {
-            $this->parser->tagAttributes['cssSelector'] = $this->getCurrentCssSelector();
-            $this->stack();
-        } else {
-            $tag = $this->unstack();
-            if (!empty($tag['cssSelector'])) {
-                // {#id.class}
-                $this->out(' {' . $tag['cssSelector'] . '}');
-            }
-        }
-        parent::handleHeader($level);
-    }
-
-    /**
-     * handle <a> tags parsing
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_a_parser()
-    {
-        parent::handleTag_a_parser();
-        $this->parser->tagAttributes['cssSelector'] = $this->getCurrentCssSelector();
-    }
-
-    /**
-     * handle <a> tags conversion
-     *
-     * @param array $tag
-     * @param string $buffer
-     * @return string The markdownified link
-     */
-    protected function handleTag_a_converter($tag, $buffer)
-    {
-        $output = parent::handleTag_a_converter($tag, $buffer);
-        if (!empty($tag['cssSelector'])) {
-            // [This link][id]{#id.class}
-            $output .= '{' . $tag['cssSelector'] . '}';
-        }
-
-        return $output;
-    }
-
-    /**
-     * handle <abbr> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_abbr()
-    {
-        if ($this->parser->isStartTag) {
-            $this->stack();
-            $this->buffer();
-        } else {
-            $tag = $this->unstack();
-            $tag['text'] = $this->unbuffer();
-            $add = true;
-            foreach ($this->stack['abbr'] as $stacked) {
-                if ($stacked['text'] == $tag['text']) {
-                    /** TODO: differing abbr definitions, i.e. different titles for same text **/
-                    $add = false;
-                    break;
-                }
-            }
-            $this->out($tag['text']);
-            if ($add) {
-                array_push($this->stack['abbr'], $tag);
-            }
-        }
-    }
-
-    /**
-     * flush stacked abbr tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function flushStacked_abbr()
-    {
-        $out = array();
-        foreach ($this->stack['abbr'] as $k => $tag) {
-            if (!isset($tag['unstacked'])) {
-                array_push($out, ' *[' . $tag['text'] . ']: ' . $tag['title']);
-                $tag['unstacked'] = true;
-                $this->stack['abbr'][$k] = $tag;
-            }
-        }
-        if (!empty($out)) {
-            $this->out("\n\n" . implode("\n", $out));
-        }
-    }
-
-    /**
-     * handle <table> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_table()
-    {
-        if ($this->parser->isStartTag) {
-            // check if upcoming table can be converted
-            if ($this->keepHTML) {
-                if (preg_match($this->tableLookaheadHeader, $this->parser->html, $matches)) {
-                    // header seems good, now check body
-                    // get align & number of cols
-                    preg_match_all('#<th(?:\s+align=("|\')(left|right|center)\1)?\s*>#si', $matches[0], $cols);
-                    $regEx = '';
-                    $i = 1;
-                    $aligns = array();
-                    foreach ($cols[2] as $align) {
-                        $align = strtolower($align);
-                        array_push($aligns, $align);
-                        if (empty($align)) {
-                            $align = 'left'; // default value
-                        }
-                        $td = '\s+align=("|\')' . $align . '\\' . $i;
-                        $i++;
-                        if ($align == 'left') {
-                            // look for empty align or left
-                            $td = '(?:' . $td . ')?';
-                        }
-                        $td = '<td' . $td . '\s*>';
-                        $regEx .= $td . $this->tdSubstitute;
-                    }
-                    $regEx = sprintf($this->tableLookaheadBody, $regEx);
-                    if (preg_match($regEx, $this->parser->html, $matches, null, strlen($matches[0]))) {
-                        // this is a markdownable table tag!
-                        $this->table = array(
-                            'rows' => array(),
-                            'col_widths' => array(),
-                            'aligns' => $aligns,
-                        );
-                        $this->row = 0;
-                    } else {
-                        // non markdownable table
-                        $this->handleTagToText();
-                    }
-                } else {
-                    // non markdownable table
-                    $this->handleTagToText();
-                }
-            } else {
-                $this->table = array(
-                    'rows' => array(),
-                    'col_widths' => array(),
-                    'aligns' => array(),
-                );
-                $this->row = 0;
-            }
-        } else {
-            // finally build the table in Markdown Extra syntax
-            $separator = array();
-            if (!isset($this->table['aligns'])) {
-                $this->table['aligns'] = array();
-            }
-            // seperator with correct align identifiers
-            foreach ($this->table['aligns'] as $col => $align) {
-                if (!$this->keepHTML && !isset($this->table['col_widths'][$col])) {
-                    break;
-                }
-                $left = ' ';
-                $right = ' ';
-                switch ($align) {
-                    case 'left':
-                        $left = ':';
-                        break;
-                    case 'center':
-                        $right = ':';
-                        $left = ':';
-                    case 'right':
-                        $right = ':';
-                        break;
-                }
-                array_push($separator, $left . str_repeat('-', $this->table['col_widths'][$col]) . $right);
-            }
-            $separator = '|' . implode('|', $separator) . '|';
-
-            $rows = array();
-            // add padding
-            array_walk_recursive($this->table['rows'], array(&$this, 'alignTdContent'));
-            $header = array_shift($this->table['rows']);
-            array_push($rows, '| ' . implode(' | ', $header) . ' |');
-            array_push($rows, $separator);
-            foreach ($this->table['rows'] as $row) {
-                array_push($rows, '| ' . implode(' | ', $row) . ' |');
-            }
-            $this->out(implode("\n" . $this->indent, $rows));
-            $this->table = array();
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * properly pad content so it is aligned as whished
-     * should be used with array_walk_recursive on $this->table['rows']
-     *
-     * @param string &$content
-     * @param int $col
-     * @return void
-     */
-    protected function alignTdContent(&$content, $col)
-    {
-        if (!isset($this->table['aligns'][$col])) {
-            $this->table['aligns'][$col] = 'left';
-        }
-        switch ($this->table['aligns'][$col]) {
-            default:
-            case 'left':
-                $content .= str_repeat(' ', $this->table['col_widths'][$col] - $this->strlen($content));
-                break;
-            case 'right':
-                $content = str_repeat(' ', $this->table['col_widths'][$col] - $this->strlen($content)) . $content;
-                break;
-            case 'center':
-                $paddingNeeded = $this->table['col_widths'][$col] - $this->strlen($content);
-                $left = floor($paddingNeeded / 2);
-                $right = $paddingNeeded - $left;
-                $content = str_repeat(' ', $left) . $content . str_repeat(' ', $right);
-                break;
-        }
-    }
-
-    /**
-     * handle <tr> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_tr()
-    {
-        if ($this->parser->isStartTag) {
-            $this->col = -1;
-        } else {
-            $this->row++;
-        }
-    }
-
-    /**
-     * handle <td> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_td()
-    {
-        if ($this->parser->isStartTag) {
-            $this->col++;
-            if (!isset($this->table['col_widths'][$this->col])) {
-                $this->table['col_widths'][$this->col] = 0;
-            }
-            $this->buffer();
-        } else {
-            $buffer = trim($this->unbuffer());
-            if (!isset($this->table['col_widths'][$this->col])) {
-                $this->table['col_widths'][$this->col] = 0;
-            }
-            $this->table['col_widths'][$this->col] = max($this->table['col_widths'][$this->col], $this->strlen($buffer));
-            $this->table['rows'][$this->row][$this->col] = $buffer;
-        }
-    }
-
-    /**
-     * handle <th> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_th()
-    {
-        if (!$this->keepHTML && !isset($this->table['rows'][1]) && !isset($this->table['aligns'][$this->col + 1])) {
-            if (isset($this->parser->tagAttributes['align'])) {
-                $this->table['aligns'][$this->col + 1] = $this->parser->tagAttributes['align'];
-            } else {
-                $this->table['aligns'][$this->col + 1] = '';
-            }
-        }
-        $this->handleTag_td();
-    }
-
-    /**
-     * handle <dl> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_dl()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * handle <dt> tags
-     *
-     * @param void
-     * @return void
-     **/
-    protected function handleTag_dt()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(1);
-        }
-    }
-
-    /**
-     * handle <dd> tags
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_dd()
-    {
-        if ($this->parser->isStartTag) {
-            if (substr(ltrim($this->parser->html), 0, 3) == '<p>') {
-                // next comes a paragraph, so we'll need an extra line
-                $this->out("\n" . $this->indent);
-            } elseif (substr($this->output, -2) == "\n\n") {
-                $this->output = substr($this->output, 0, -1);
-            }
-            $this->out(':   ');
-            $this->indent('    ', false);
-        } else {
-            // lookahead for next dt
-            if (substr(ltrim($this->parser->html), 0, 4) == '<dt>') {
-                $this->setLineBreaks(2);
-            } else {
-                $this->setLineBreaks(1);
-            }
-            $this->indent('    ');
-        }
-    }
-
-    /**
-     * handle <fnref /> tags (custom footnote references, see markdownify_extra::parseString())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_fnref()
-    {
-        $this->out('[^' . $this->parser->tagAttributes['target'] . ']');
-    }
-
-    /**
-     * handle <fn> tags (custom footnotes, see markdownify_extra::parseString()
-     * and markdownify_extra::_makeFootnotes())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_fn()
-    {
-        if ($this->parser->isStartTag) {
-            $this->out('[^' . $this->parser->tagAttributes['name'] . ']:');
-            $this->setLineBreaks(1);
-        } else {
-            $this->setLineBreaks(2);
-        }
-        $this->indent('    ');
-    }
-
-    /**
-     * handle <footnotes> tag (custom footnotes, see markdownify_extra::parseString()
-     *  and markdownify_extra::_makeFootnotes())
-     *
-     * @param void
-     * @return void
-     */
-    protected function handleTag_footnotes()
-    {
-        if (!$this->parser->isStartTag) {
-            $this->setLineBreaks(2);
-        }
-    }
-
-    /**
-     * parse a HTML string, clean up footnotes prior
-     *
-     * @param string $HTML input
-     * @return string Markdown formatted output
-     */
-    public function parseString($html)
-    {
-        /** TODO: custom markdown-extra options, e.g. titles & classes **/
-        // <sup id="fnref:..."><a href"#fn..." rel="footnote">...</a></sup>
-        // => <fnref target="..." />
-        $html = preg_replace('@<sup id="fnref:([^"]+)">\s*<a href="#fn:\1" rel="footnote">\s*\d+\s*</a>\s*</sup>@Us', '<fnref target="$1" />', $html);
-        // <div class="footnotes">
-        // <hr />
-        // <ol>
-        //
-        // <li id="fn:...">...</li>
-        // ...
-        //
-        // </ol>
-        // </div>
-        // =>
-        // <footnotes>
-        //   <fn name="...">...</fn>
-        //   ...
-        // </footnotes>
-        $html = preg_replace_callback('#<div class="footnotes">\s*<hr />\s*<ol>\s*(.+)\s*</ol>\s*</div>#Us', array(&$this, '_makeFootnotes'), $html);
-
-        return parent::parseString($html);
-    }
-
-    /**
-     * replace HTML representation of footnotes with something more easily parsable
-     *
-     * @note this is a callback to be used in parseString()
-     *
-     * @param array $matches
-     * @return string
-     */
-    protected function _makeFootnotes($matches)
-    {
-        // <li id="fn:1">
-        //   ...
-        //   <a href="#fnref:block" rev="footnote">&#8617;</a></p>
-        // </li>
-        // => <fn name="1">...</fn>
-        // remove footnote link
-        $fns = preg_replace('@\s*(&#160;\s*)?<a href="#fnref:[^"]+" rev="footnote"[^>]*>&#8617;</a>\s*@s', '', $matches[1]);
-        // remove empty paragraph
-        $fns = preg_replace('@<p>\s*</p>@s', '', $fns);
-        // <li id="fn:1">...</li> -> <footnote nr="1">...</footnote>
-        $fns = str_replace('<li id="fn:', '<fn name="', $fns);
-
-        $fns = '<footnotes>' . $fns . '</footnotes>';
-
-        return preg_replace('#</li>\s*(?=(?:<fn|</footnotes>))#s', '</fn>$1', $fns);
-    }
-
-    /**
-     * handle <a> tags parsing
-     *
-     * @param void
-     * @return void
-     */
-    protected function getCurrentCssSelector()
-    {
-        $cssSelector = '';
-        if (isset($this->parser->tagAttributes['id'])) {
-            $cssSelector .= '#' . $this->decode($this->parser->tagAttributes['id']);
-        }
-        if (isset($this->parser->tagAttributes['class'])) {
-            $classes = explode(' ', $this->decode($this->parser->tagAttributes['class']));
-            $classes = array_filter($classes);
-            $cssSelector .= '.' . join('.', $classes);
-        }
-        return $cssSelector;
-    }
-}