<?php

class freaParsedown extends Parsedown {
    
    function get_BlockTypes() {

        return $this->BlockTypes;
        
    }

    function deactivate_ol() {
        $ol_triggers= array(
            "0",
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
        );
        
        foreach ($ol_triggers as $key) {
            unset($this->BlockTypes[$key]);
        }
    }
    
    
    function add_language_to_link_target($href) {
        $f3 = \Base::instance();
        $data = [];
        $base = substr($href,0,strpos($href,'?') ? : strlen($href));
        parse_str(parse_url($href,PHP_URL_QUERY),$data);
        $fragment = parse_url($href,PHP_URL_FRAGMENT);
        
        if ($f3->get('LANG') != $f3->get('default_lang')) {
            if (!array_key_exists('lang',$data)) {
                $data['lang'] = $f3->get('LANG');
            }
        }
        
        $new = $base;
        if (count($data) > 0) {
            $new .= "?" . http_build_query($data);
        }
        if ($fragment) {
            $new .= "#" . $fragment;
        }
        
        return $new;
    }
    
    
    protected function inlineEmailTag($Excerpt)
    {
        $hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?';

        $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@'
            . $hostnameLabel . '(?:\.' . $hostnameLabel . ')*';

        if (strpos($Excerpt['text'], '>') !== false
            and preg_match("/^<((mailto:)?$commonMarkEmail)>/i", $Excerpt['text'], $matches)
        ){
            $url = $matches[1];

            if ( ! isset($matches[2]))
            {
                $url = 'mailto:' . $url;
            }

            return array(
                'extent' => strlen($matches[0]),
                'element' => array(
                    'name' => 'a',
                    'text' => $matches[1],
                    'attributes' => array(
                        'href' => $url,
                        'data-link-text' => $matches[1],
                    ),
                ),
            );
        }
    }
    
    protected function inlineLink($Excerpt)
    {
        $Element = array(
            'name' => 'a',
            'handler' => 'line',
            'nonNestables' => array('Url', 'Link'),
            'text' => null,
            'attributes' => array(
                'href' => null,
                'title' => null,
            ),
        );

        $extent = 0;

        $remainder = $Excerpt['text'];

        if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches))
        {
            $Element['text'] = $matches[1];

            $extent += strlen($matches[0]);

            $remainder = substr($remainder, $extent);
        }
        else
        {
            return;
        }

        if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*"|\'[^\']*\'))?\s*[)]/', $remainder, $matches))
        {
            $Element['attributes']['href'] = $matches[1];

            if (isset($matches[2]))
            {
                $Element['attributes']['title'] = substr($matches[2], 1, - 1);
            }

            $extent += strlen($matches[0]);
        }
        else
        {
            if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches))
            {
                $definition = strlen($matches[1]) ? $matches[1] : $Element['text'];
                $definition = strtolower($definition);

                $extent += strlen($matches[0]);
            }
            else
            {
                $definition = strtolower($Element['text']);
            }

            if ( ! isset($this->DefinitionData['Reference'][$definition]))
            {
                return;
            }

            $Definition = $this->DefinitionData['Reference'][$definition];

            $Element['attributes']['href'] = $Definition['url'];
            $Element['attributes']['title'] = $Definition['title'];
        }
        
        $Element['attributes']['data-link-text'] = $Element['text'];
        $url=&$Element['attributes']['href'];
        if (strpos($url,':') === FALSE) {
            $url = $this->add_language_to_link_target($url);
        }
        
        
        
        return array(
            'extent' => $extent,
            'element' => $Element,
        );
    }
    
    protected function inlineUrl($Excerpt)
    {
        if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')
        {
            return;
        }

        if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
        {
            $url = $matches[0][0];

            $Inline = array(
                'extent' => strlen($matches[0][0]),
                'position' => $matches[0][1],
                'element' => array(
                    'name' => 'a',
                    'text' => $url,
                    'attributes' => array(
                        'href' => $url,
                        'data-link-text' => $url,
                    ),
                ),
            );

            return $Inline;
        }
    }
    
    protected function inlineUrlTag($Excerpt)
    {
        if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))
        {
            $url = $matches[1];

            return array(
                'extent' => strlen($matches[0]),
                'element' => array(
                    'name' => 'a',
                    'text' => $url,
                    'attributes' => array(
                        'href' => $url,
                        'data-link-text' => $url,
                    ),
                ),
            );
        }
    }
    
    
    
}