thephpleague / html-to-markdown

<?php

declare(strict_types=1);

namespace League\HTMLToMarkdown\Converter;

use League\HTMLToMarkdown\Configuration;

use League\HTMLToMarkdown\ConfigurationAwareInterface;

use League\HTMLToMarkdown\ElementInterface;

class DefaultConverter implements ConverterInterface, ConfigurationAwareInterface

{

    public const DEFAULT_CONVERTER = '_default';

    /** @var Configuration */

    protected $config;

    public function setConfig(Configuration $config): void

    {

        $this->config = $config;

    }

    public function convert(ElementInterface $element): string

    {

        // If strip_tags is false (the default), preserve tags that don't have Markdown equivalents,

        // such as <span> nodes on their own. C14N() canonicalizes the node to a string.

        // See: http://www.php.net/manual/en/domnode.c14n.php

        if ($this->config->getOption('strip_tags', false)) {

            return $element->getValue();

        }

        $markdown = \html_entity_decode($element->getChildrenAsString());

        // Tables are only handled here if TableConverter is not used

        if ($element->getTagName() === 'table') {

            $markdown .= "\n\n";

        }

        return $markdown;

    }

    /**

     * @return string[]

     */

    public function getSupportedTags(): array

    {

        return [self::DEFAULT_CONVERTER];

    }

}