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author | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-05-23 00:32:11 +0200 |
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committer | Klaus Weidenbach <Klaus.Weidenbach@gmx.net> | 2017-05-23 00:32:11 +0200 |
commit | 547df2219ab4b870256f2ed90e36b97d8bf200bf (patch) | |
tree | 3e990b35eb939911bb7949c2f5d633fa3d788faf /vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php | |
parent | 50e9d024581ddf57f37a6302bc089a88237657bb (diff) | |
download | volse-hubzilla-547df2219ab4b870256f2ed90e36b97d8bf200bf.tar.gz volse-hubzilla-547df2219ab4b870256f2ed90e36b97d8bf200bf.tar.bz2 volse-hubzilla-547df2219ab4b870256f2ed90e36b97d8bf200bf.zip |
Replace Mardownify library with html-to-markdown library.
Diffstat (limited to 'vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php')
-rw-r--r-- | vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php b/vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php new file mode 100644 index 000000000..7a4ec3357 --- /dev/null +++ b/vendor/league/html-to-markdown/src/Converter/PreformattedConverter.php @@ -0,0 +1,59 @@ +<?php + +namespace League\HTMLToMarkdown\Converter; + +use League\HTMLToMarkdown\ElementInterface; + +class PreformattedConverter implements ConverterInterface +{ + /** + * @param ElementInterface $element + * + * @return string + */ + public function convert(ElementInterface $element) + { + $markdown = ''; + + $pre_content = html_entity_decode($element->getChildrenAsString()); + $pre_content = str_replace(array('<pre>', '</pre>'), '', $pre_content); + + /* + * Checking for the code tag. + * Usually pre tags are used along with code tags. This conditional will check for already converted code tags, + * which use backticks, and if those backticks are at the beginning and at the end of the string it means + * there's no more information to convert. + */ + + $firstBacktick = strpos(trim($pre_content), '`'); + $lastBacktick = strrpos(trim($pre_content), '`'); + if ($firstBacktick === 0 && $lastBacktick === strlen(trim($pre_content)) - 1) { + return $pre_content; + } + + // If the execution reaches this point it means it's just a pre tag, with no code tag nested + + // Normalizing new lines + $pre_content = preg_replace('/\r\n|\r|\n/', PHP_EOL, $pre_content); + + // Checking if the string has multiple lines + $lines = preg_split('/\r\n|\r|\n/', $pre_content); + if (count($lines) > 1) { + // Multiple lines detected, adding three backticks and newlines + $markdown .= '```' . "\n" . $pre_content . "\n" . '```'; + } else { + // One line of code, wrapping it on one backtick. + $markdown .= '`' . $pre_content . '`'; + } + + return $markdown; + } + + /** + * @return string[] + */ + public function getSupportedTags() + { + return array('pre'); + } +} |