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<?php
namespace League\HTMLToMarkdown\Converter;
use League\HTMLToMarkdown\Configuration;
use League\HTMLToMarkdown\ConfigurationAwareInterface;
use League\HTMLToMarkdown\ElementInterface;
class EmphasisConverter implements ConverterInterface, ConfigurationAwareInterface
{
/**
* @var Configuration
*/
protected $config;
/**
* @param Configuration $config
*/
public function setConfig(Configuration $config)
{
$this->config = $config;
}
/**
* @param ElementInterface $element
*
* @return string
*/
public function convert(ElementInterface $element)
{
$tag = $element->getTagName();
$value = $element->getValue();
if (!trim($value)) {
return $value;
}
if ($tag === 'i' || $tag === 'em') {
$style = $this->config->getOption('italic_style');
} else {
$style = $this->config->getOption('bold_style');
}
$prefix = ltrim($value) !== $value ? ' ' : '';
$suffix = rtrim($value) !== $value ? ' ' : '';
return $prefix . $style . trim($value) . $style . $suffix;
}
/**
* @return string[]
*/
public function getSupportedTags()
{
return array('em', 'i', 'strong', 'b');
}
}
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