%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare (strict_types=1);
namespace Rector\FileFormatter\ValueObject;
use RectorPrefix20211231\Nette\Utils\Strings;
use Rector\FileFormatter\Exception\InvalidIndentSizeException;
use Rector\FileFormatter\Exception\InvalidIndentStringException;
use Rector\FileFormatter\Exception\InvalidIndentStyleException;
use Rector\FileFormatter\Exception\ParseIndentException;
use Stringable;
/**
* @see \Rector\Tests\FileFormatter\ValueObject\IndentTest
*/
final class Indent
{
/**
* @var array<string, string>
*/
public const CHARACTERS = [self::SPACE => ' ', self::TAB => "\t"];
/**
* @var string
*/
private const SPACE = 'space';
/**
* @var string
*/
private const TAB = 'tab';
/**
* @see https://regex101.com/r/A2XiaF/1
* @var string
*/
private const VALID_INDENT_REGEX = '#^( *|\\t+)$#';
/**
* @var int
*/
private const MINIMUM_SIZE = 1;
/**
* @see https://regex101.com/r/3HFEjX/1
* @var string
*/
private const PARSE_INDENT_REGEX = '/^(?P<indent>( +|\\t+)).*/m';
/**
* @readonly
* @var string
*/
private $string;
private function __construct(string $string)
{
$this->string = $string;
}
public function __toString() : string
{
return $this->string;
}
public static function fromString(string $content) : self
{
$match = \RectorPrefix20211231\Nette\Utils\Strings::match($content, self::VALID_INDENT_REGEX);
if ($match === null) {
throw \Rector\FileFormatter\Exception\InvalidIndentStringException::fromString($content);
}
return new self($content);
}
public static function createSpaceWithSize(int $size) : self
{
return self::fromSizeAndStyle($size, self::SPACE);
}
public static function createTab() : self
{
return self::fromSizeAndStyle(1, self::TAB);
}
public static function fromSizeAndStyle(int $size, string $style) : self
{
if ($size < self::MINIMUM_SIZE) {
throw \Rector\FileFormatter\Exception\InvalidIndentSizeException::fromSizeAndMinimumSize($size, self::MINIMUM_SIZE);
}
if (!\array_key_exists($style, self::CHARACTERS)) {
throw \Rector\FileFormatter\Exception\InvalidIndentStyleException::fromStyleAndAllowedStyles($style, \array_keys(self::CHARACTERS));
}
$value = \str_repeat(self::CHARACTERS[$style], $size);
return new self($value);
}
public static function fromContent(string $content) : self
{
$match = \RectorPrefix20211231\Nette\Utils\Strings::match($content, self::PARSE_INDENT_REGEX);
if (isset($match['indent'])) {
return self::fromString($match['indent']);
}
throw \Rector\FileFormatter\Exception\ParseIndentException::fromString($content);
}
public function getIndentSize() : int
{
return \strlen($this->string);
}
public function getIndentStyle() : string
{
return $this->startsWithSpace() ? self::SPACE : self::TAB;
}
public function getIndentStyleCharacter() : string
{
return $this->startsWithSpace() ? self::CHARACTERS[self::SPACE] : self::CHARACTERS[self::TAB];
}
private function startsWithSpace() : bool
{
return \strncmp($this->string, ' ', \strlen(' ')) === 0;
}
}
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