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