59 lines
1.0 KiB
PHP
59 lines
1.0 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 Iterator;
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/** @template-implements Iterator<array-key, string> */
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final class Lines implements Iterator
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{
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/** @var string[] */
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private $lines = [];
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/** @var int */
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private $position = 0;
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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 getPreviousLine(): string
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{
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return $this->lines[$this->position - 1] ?? '';
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}
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public function getNextLine(): string
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{
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return $this->lines[$this->position + 1] ?? '';
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}
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public function rewind(): void
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{
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$this->position = 0;
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}
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public function current(): string
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{
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return $this->lines[$this->position];
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}
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public function key(): int
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{
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return $this->position;
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}
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public function next(): void
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{
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++$this->position;
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}
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public function valid(): bool
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{
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return isset($this->lines[$this->position]);
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}
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}
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