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');
+    }
+}