mirror of https://github.com/friendica/friendica
47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
<?php
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namespace League\HTMLToMarkdown\Converter;
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use League\HTMLToMarkdown\ElementInterface;
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class TextConverter implements ConverterInterface
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{
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/**
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* @param ElementInterface $element
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*
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* @return string
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*/
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public function convert(ElementInterface $element)
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{
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$markdown = $element->getValue();
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// Remove leftover \n at the beginning of the line
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$markdown = ltrim($markdown, "\n");
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// Replace sequences of invisible characters with spaces
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$markdown = preg_replace('~\s+~u', ' ', $markdown);
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// Escape the following characters: '*', '_', '[', ']' and '\'
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$markdown = preg_replace('~([*_\\[\\]\\\\])~u', '\\\\$1', $markdown);
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$markdown = preg_replace('~^#~u', '\\\\#', $markdown);
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if ($markdown === ' ') {
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$next = $element->getNext();
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if (!$next || $next->isBlock()) {
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$markdown = '';
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}
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}
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return $markdown;
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}
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/**
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* @return string[]
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*/
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public function getSupportedTags()
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{
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return array('#text');
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}
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}
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