mirror of https://github.com/rectorphp/rector.git
91 lines
2.6 KiB
PHP
91 lines
2.6 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\FileFormatter\ValueObject;
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use RectorPrefix20210808\Nette\Utils\Strings;
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use const PHP_EOL;
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use Rector\FileFormatter\Exception\InvalidNewLineStringException;
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use Stringable;
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/**
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* @see \Rector\Tests\FileFormatter\ValueObject\NewLineTest
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*/
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final class NewLine
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{
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/**
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* @var string
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*/
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public const LINE_FEED = 'lf';
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/**
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* @var string
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*/
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public const CARRIAGE_RETURN = 'cr';
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/**
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* @var string
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*/
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public const CARRIAGE_RETURN_LINE_FEED = 'crlf';
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/**
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* @var array<string, string>
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*/
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private const ALLOWED_END_OF_LINE = [self::LINE_FEED => "\n", self::CARRIAGE_RETURN => "\r", self::CARRIAGE_RETURN_LINE_FEED => "\r\n"];
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/**
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* @see https://regex101.com/r/icaBBp/1
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* @var string
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*/
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private const NEWLINE_REGEX = '#(?P<newLine>\\r\\n|\\n|\\r)#';
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/**
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* @see https://regex101.com/r/WrY9ZW/1/
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* @var string
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*/
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private const VALID_NEWLINE_REGEX = '#^(?>\\r\\n|\\n|\\r)$#';
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/**
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* @var string
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*/
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private $string;
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private function __construct(string $string)
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{
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$this->string = $string;
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}
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public function __toString() : string
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{
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return $this->string;
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}
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/**
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* @return $this
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* @param string $content
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*/
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public static function fromSingleCharacter($content)
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{
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$matches = \RectorPrefix20210808\Nette\Utils\Strings::match($content, self::VALID_NEWLINE_REGEX);
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if ($matches === null) {
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throw \Rector\FileFormatter\Exception\InvalidNewLineStringException::fromString($content);
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}
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return new self($content);
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}
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/**
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* @return $this
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* @param string $content
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*/
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public static function fromContent($content)
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{
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$match = \RectorPrefix20210808\Nette\Utils\Strings::match($content, self::NEWLINE_REGEX);
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if (isset($match['newLine'])) {
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return self::fromSingleCharacter($match['newLine']);
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}
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return self::fromSingleCharacter(\PHP_EOL);
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}
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/**
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* @return $this
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* @param string $endOfLine
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*/
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public static function fromEditorConfig($endOfLine)
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{
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if (!\array_key_exists($endOfLine, self::ALLOWED_END_OF_LINE)) {
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$allowedEndOfLineValues = \array_keys(self::ALLOWED_END_OF_LINE);
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$message = \sprintf('The endOfLine "%s" is not allowed. Allowed are "%s"', $endOfLine, \implode(',', $allowedEndOfLineValues));
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throw \Rector\FileFormatter\Exception\InvalidNewLineStringException::create($message);
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}
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return self::fromSingleCharacter(self::ALLOWED_END_OF_LINE[$endOfLine]);
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}
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}
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