Primo Committ

vendor/league/commonmark/src/Inline/Parser/BacktickParser.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
+ *  - (c) John MacFarlane
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Inline\Parser;
+
+use League\CommonMark\Inline\Element\Code;
+use League\CommonMark\Inline\Element\Text;
+use League\CommonMark\InlineParserContext;
+
+final class BacktickParser implements InlineParserInterface
+{
+    public function getCharacters(): array
+    {
+        return ['`'];
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $cursor = $inlineContext->getCursor();
+
+        $ticks = $cursor->match('/^`+/');
+
+        $currentPosition = $cursor->getPosition();
+        $previousState = $cursor->saveState();
+
+        while ($matchingTicks = $cursor->match('/`+/m')) {
+            if ($matchingTicks === $ticks) {
+                $code = $cursor->getSubstring($currentPosition, $cursor->getPosition() - $currentPosition - \strlen($ticks));
+
+                $c = \preg_replace('/\n/m', ' ', $code);
+
+                if (
+                    !empty($c) &&
+                    $c[0] === ' ' &&
+                    \substr($c, -1, 1) === ' ' &&
+                    \preg_match('/[^ ]/', $c)
+                ) {
+                    $c = \substr($c, 1, -1);
+                }
+
+                $inlineContext->getContainer()->appendChild(new Code($c));
+
+                return true;
+            }
+        }
+
+        // If we got here, we didn't match a closing backtick sequence
+        $cursor->restoreState($previousState);
+        $inlineContext->getContainer()->appendChild(new Text($ticks));
+
+        return true;
+    }
+}