Update website

vendor/doctrine/rst-parser/lib/Parser/Buffer.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\RST\Parser;
+
+use function array_pop;
+use function count;
+use function implode;
+
+final class Buffer
+{
+    /** @var string[] */
+    private $lines = [];
+
+    /** @param string[] $lines */
+    public function __construct(array $lines = [])
+    {
+        $this->lines = $lines;
+    }
+
+    public function isEmpty(): bool
+    {
+        return $this->lines === [];
+    }
+
+    public function count(): int
+    {
+        return count($this->lines);
+    }
+
+    public function has(int $key): bool
+    {
+        return isset($this->lines[$key]);
+    }
+
+    public function get(int $key): string
+    {
+        return $this->lines[$key] ?? '';
+    }
+
+    public function push(string $line): void
+    {
+        $this->lines[] = $line;
+    }
+
+    public function set(int $key, string $line): void
+    {
+        $this->lines[$key] = $line;
+    }
+
+    /** @return string[] */
+    public function getLines(): array
+    {
+        return $this->lines;
+    }
+
+    public function getLinesString(): string
+    {
+        return implode("\n", $this->lines);
+    }
+
+    public function pop(): ?string
+    {
+        return array_pop($this->lines);
+    }
+
+    public function getLastLine(): ?string
+    {
+        $lastLineKey = count($this->lines) - 1;
+
+        if (! isset($this->lines[$lastLineKey])) {
+            return null;
+        }
+
+        return $this->lines[$lastLineKey];
+    }
+}