diff --git a/src/Converter/PreformattedConverter.php b/src/Converter/PreformattedConverter.php new file mode 100644 index 0000000..af6dd10 --- /dev/null +++ b/src/Converter/PreformattedConverter.php @@ -0,0 +1,58 @@ +getChildrenAsString()); + $preContent = \preg_replace('/
]*>/', '', $preContent);
+ \assert($preContent !== null);
+ $preContent = \str_replace('', '', $preContent);
+
+ /*
+ * 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.
+ */
+
+ $firstBacktick = \strpos(\trim($preContent), '`');
+ $lastBacktick = \strrpos(\trim($preContent), '`');
+ if ($firstBacktick === 0 && $lastBacktick === \strlen(\trim($preContent)) - 1) {
+ return $preContent . "\n\n";
+ }
+
+ // If the execution reaches this point it means it's just a pre tag, with no code tag nested
+
+ // Empty lines are a special case
+ if ($preContent === '') {
+ return "```\n```\n\n";
+ }
+
+ // Normalizing new lines
+ $preContent = \preg_replace('/\r\n|\r|\n/', "\n", $preContent);
+ \assert(\is_string($preContent));
+
+ // Ensure there's a newline at the end
+ if (\strrpos($preContent, "\n") !== \strlen($preContent) - \strlen("\n")) {
+ $preContent .= "\n";
+ }
+
+ // Use three backticks
+ return "```\n" . $preContent . "```\n\n";
+ }
+
+ /**
+ * @return string[]
+ */
+ public function getSupportedTags(): array
+ {
+ return ['pre'];
+ }
+}