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authorKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-05-23 00:32:11 +0200
committerKlaus Weidenbach <Klaus.Weidenbach@gmx.net>2017-05-23 00:32:11 +0200
commit547df2219ab4b870256f2ed90e36b97d8bf200bf (patch)
tree3e990b35eb939911bb7949c2f5d633fa3d788faf /vendor/league/html-to-markdown/src/Converter/CodeConverter.php
parent50e9d024581ddf57f37a6302bc089a88237657bb (diff)
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Replace Mardownify library with html-to-markdown library.
Diffstat (limited to 'vendor/league/html-to-markdown/src/Converter/CodeConverter.php')
-rw-r--r--vendor/league/html-to-markdown/src/Converter/CodeConverter.php62
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/league/html-to-markdown/src/Converter/CodeConverter.php b/vendor/league/html-to-markdown/src/Converter/CodeConverter.php
new file mode 100644
index 000000000..c8ec2c005
--- /dev/null
+++ b/vendor/league/html-to-markdown/src/Converter/CodeConverter.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace League\HTMLToMarkdown\Converter;
+
+use League\HTMLToMarkdown\ElementInterface;
+
+class CodeConverter implements ConverterInterface
+{
+ /**
+ * @param ElementInterface $element
+ *
+ * @return string
+ */
+ public function convert(ElementInterface $element)
+ {
+ $language = null;
+
+ // Checking for language class on the code block
+ $classes = $element->getAttribute('class');
+
+ if ($classes) {
+ // Since tags can have more than one class, we need to find the one that starts with 'language-'
+ $classes = explode(' ', $classes);
+ foreach ($classes as $class) {
+ if (strpos($class, 'language-') !== false) {
+ // Found one, save it as the selected language and stop looping over the classes.
+ // The space after the language avoids gluing the actual code with the language tag
+ $language = str_replace('language-', '', $class) . ' ';
+ break;
+ }
+ }
+ }
+
+ $markdown = '';
+ $code = html_entity_decode($element->getChildrenAsString());
+
+ // In order to remove the code tags we need to search for them and, in the case of the opening tag
+ // use a regular expression to find the tag and the other attributes it might have
+ $code = preg_replace('/<code\b[^>]*>/', '', $code);
+ $code = str_replace('</code>', '', $code);
+
+ // Checking if the code has multiple lines
+ $lines = preg_split('/\r\n|\r|\n/', $code);
+ if (count($lines) > 1) {
+ // Multiple lines detected, adding three backticks and newlines
+ $markdown .= '```' . $language . "\n" . $code . "\n" . '```';
+ } else {
+ // One line of code, wrapping it on one backtick.
+ $markdown .= '`' . $language . $code . '`';
+ }
+
+ return $markdown;
+ }
+
+ /**
+ * @return string[]
+ */
+ public function getSupportedTags()
+ {
+ return array('code');
+ }
+}