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PATH: opt / cpanel / ea-wappspector / vendor / slevomat / coding-standard / SlevomatCodingStandard / Helpers

<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Helpers;

use PHP_CodeSniffer\Files\File;
use function array_key_exists;
use function in_array;
use const T_CLOSE_CURLY_BRACKET;
use const T_CLOSE_PARENTHESIS;
use const T_CLOSE_SQUARE_BRACKET;
use const T_DOLLAR;
use const T_DOUBLE_COLON;
use const T_NULLSAFE_OBJECT_OPERATOR;
use const T_OBJECT_OPERATOR;
use const T_OPEN_CURLY_BRACKET;
use const T_OPEN_SQUARE_BRACKET;
use const T_PARENT;
use const T_SELF;
use const T_STATIC;
use const T_VARIABLE;

/**
 * @internal
 */
class IdentificatorHelper
{

public static function getContent(File $phpcsFile, int $startPointer, int $endPointer): string
	{
		$tokens = $phpcsFile->getTokens();

$variableContent = '';
		for ($i = $startPointer; $i <= $endPointer; $i++) {
			if (in_array($tokens[$i]['code'], TokenHelper::INEFFECTIVE_TOKEN_CODES, true)) {
				continue;
			}

$variableContent .= $tokens[$i]['content'];
		}

return $variableContent;
	}

public static function findStartPointer(File $phpcsFile, int $endPointer): ?int
	{
		$tokens = $phpcsFile->getTokens();

if (in_array($tokens[$endPointer]['code'], TokenHelper::NAME_TOKEN_CODES, true)) {
			/** @var int $previousPointer */
			$previousPointer = TokenHelper::findPreviousEffective($phpcsFile, $endPointer - 1);
			if (in_array($tokens[$previousPointer]['code'], [T_OBJECT_OPERATOR, T_NULLSAFE_OBJECT_OPERATOR, T_DOUBLE_COLON], true)) {
				$pointerBeforeOperator = TokenHelper::findPreviousEffective($phpcsFile, $previousPointer - 1);
				if ($tokens[$pointerBeforeOperator]['code'] !== T_CLOSE_PARENTHESIS) {
					return self::getStartPointerBeforeOperator($phpcsFile, $previousPointer);
				}
			}

return $endPointer;
		}

if (in_array($tokens[$endPointer]['code'], [T_CLOSE_CURLY_BRACKET, T_CLOSE_SQUARE_BRACKET], true)) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $tokens[$endPointer]['bracket_opener']);
		}

if ($tokens[$endPointer]['code'] === T_VARIABLE) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $endPointer);
		}

return null;
	}

public static function findEndPointer(File $phpcsFile, int $startPointer): ?int
	{
		$tokens = $phpcsFile->getTokens();

if (in_array($tokens[$startPointer]['code'], TokenHelper::NAME_TOKEN_CODES, true)) {
			$startPointer = TokenHelper::findNextExcluding($phpcsFile, TokenHelper::NAME_TOKEN_CODES, $startPointer + 1) - 1;
		} elseif ($tokens[$startPointer]['code'] === T_DOLLAR) {
			$startPointer = TokenHelper::findNextEffective($phpcsFile, $startPointer + 1);
		}

/** @var int $nextPointer */
		$nextPointer = TokenHelper::findNextEffective($phpcsFile, $startPointer + 1);

if (
			in_array($tokens[$startPointer]['code'], [T_SELF, T_STATIC, T_PARENT, ...TokenHelper::NAME_TOKEN_CODES], true)
			&& $tokens[$nextPointer]['code'] === T_DOUBLE_COLON
		) {
			return self::getEndPointerAfterOperator($phpcsFile, $nextPointer);
		}

if ($tokens[$startPointer]['code'] === T_VARIABLE) {
			if (in_array($tokens[$nextPointer]['code'], [T_DOUBLE_COLON, T_OBJECT_OPERATOR, T_NULLSAFE_OBJECT_OPERATOR], true)) {
				return self::getEndPointerAfterOperator($phpcsFile, $nextPointer);
			}

if ($tokens[$nextPointer]['code'] === T_OPEN_SQUARE_BRACKET) {
				return self::getEndPointerAfterVariablePart($phpcsFile, $startPointer);
			}

return $startPointer;
		}

return null;
	}

private static function getStartPointerBeforeOperator(File $phpcsFile, int $operatorPointer): int
	{
		$tokens = $phpcsFile->getTokens();

/** @var int $previousPointer */
		$previousPointer = TokenHelper::findPreviousEffective($phpcsFile, $operatorPointer - 1);

if (in_array($tokens[$previousPointer]['code'], TokenHelper::NAME_TOKEN_CODES, true)) {
			$previousPointer = TokenHelper::findPreviousExcluding($phpcsFile, TokenHelper::NAME_TOKEN_CODES, $previousPointer - 1) + 1;
		}

if (
			$tokens[$operatorPointer]['code'] === T_DOUBLE_COLON
			&& in_array($tokens[$previousPointer]['code'], [T_SELF, T_STATIC, T_PARENT, ...TokenHelper::NAME_TOKEN_CODES], true)
		) {
			return $previousPointer;
		}

if (in_array($tokens[$previousPointer]['code'], TokenHelper::NAME_TOKEN_CODES, true)) {
			/** @var int $possibleOperatorPointer */
			$possibleOperatorPointer = TokenHelper::findPreviousEffective($phpcsFile, $previousPointer - 1);
			if (in_array($tokens[$possibleOperatorPointer]['code'], [T_OBJECT_OPERATOR, T_NULLSAFE_OBJECT_OPERATOR], true)) {
				return self::getStartPointerBeforeOperator($phpcsFile, $possibleOperatorPointer);
			}
		}

if (in_array($tokens[$previousPointer]['code'], [T_CLOSE_CURLY_BRACKET, T_CLOSE_SQUARE_BRACKET], true)) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $tokens[$previousPointer]['bracket_opener']);
		}

return self::getStartPointerBeforeVariablePart($phpcsFile, $previousPointer);
	}

private static function getStartPointerBeforeVariablePart(File $phpcsFile, int $variablePartPointer): int
	{
		$tokens = $phpcsFile->getTokens();

/** @var int $previousPointer */
		$previousPointer = TokenHelper::findPreviousEffective($phpcsFile, $variablePartPointer - 1);

if ($tokens[$previousPointer]['code'] === T_DOLLAR) {
			/** @var int $previousPointer */
			$previousPointer = TokenHelper::findPreviousEffective($phpcsFile, $previousPointer - 1);
		}

if (in_array($tokens[$previousPointer]['code'], [T_OBJECT_OPERATOR, T_NULLSAFE_OBJECT_OPERATOR, T_DOUBLE_COLON], true)) {
			return self::getStartPointerBeforeOperator($phpcsFile, $previousPointer);
		}

if ($tokens[$previousPointer]['code'] === T_CLOSE_SQUARE_BRACKET) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $tokens[$previousPointer]['bracket_opener']);
		}

if (
			$tokens[$previousPointer]['code'] === T_CLOSE_CURLY_BRACKET
			&& !array_key_exists('scope_condition', $tokens[$previousPointer])
		) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $tokens[$previousPointer]['bracket_opener']);
		}

if (in_array($tokens[$previousPointer]['code'], [T_VARIABLE, ...TokenHelper::NAME_TOKEN_CODES], true)) {
			return self::getStartPointerBeforeVariablePart($phpcsFile, $previousPointer);
		}

return $variablePartPointer;
	}

private static function getEndPointerAfterOperator(File $phpcsFile, int $operatorPointer): int
	{
		$tokens = $phpcsFile->getTokens();

/** @var int $nextPointer */
		$nextPointer = TokenHelper::findNextEffective($phpcsFile, $operatorPointer + 1);

if ($tokens[$nextPointer]['code'] === T_DOLLAR) {
			/** @var int $nextPointer */
			$nextPointer = TokenHelper::findNextEffective($phpcsFile, $nextPointer + 1);
		}

if ($tokens[$nextPointer]['code'] === T_OPEN_CURLY_BRACKET) {
			return self::getEndPointerAfterVariablePart($phpcsFile, $tokens[$nextPointer]['bracket_closer']);
		}

return self::getEndPointerAfterVariablePart($phpcsFile, $nextPointer);
	}

private static function getEndPointerAfterVariablePart(File $phpcsFile, int $variablePartPointer): int
	{
		$tokens = $phpcsFile->getTokens();

/** @var int $nextPointer */
		$nextPointer = TokenHelper::findNextEffective($phpcsFile, $variablePartPointer + 1);

if (in_array($tokens[$nextPointer]['code'], [T_OBJECT_OPERATOR, T_NULLSAFE_OBJECT_OPERATOR, T_DOUBLE_COLON], true)) {
			return self::getEndPointerAfterOperator($phpcsFile, $nextPointer);
		}

if ($tokens[$nextPointer]['code'] === T_OPEN_SQUARE_BRACKET) {
			return self::getEndPointerAfterVariablePart($phpcsFile, $tokens[$nextPointer]['bracket_closer']);
		}

return $variablePartPointer;
	}

}

[-] Attribute.php [edit]
[-] ArrayHelper.php [edit]
[-] TernaryOperatorHelper.php [edit]
[-] ConstantHelper.php [edit]
[-] CatchHelper.php [edit]
[+] ..
[-] TypeHint.php [edit]
[-] ConditionHelper.php [edit]
[-] IndentationHelper.php [edit]
[-] SuppressHelper.php [edit]
[-] TokenPointerOutOfBoundsException.php [edit]
[-] VariableHelper.php [edit]
[-] StringHelper.php [edit]
[-] TypeHintHelper.php [edit]
[-] AnnotationHelper.php [edit]
[-] SniffLocalCache.php [edit]
[-] ReferencedNameHelper.php [edit]
[-] NamespaceHelper.php [edit]
[-] ScopeHelper.php [edit]
[-] ParameterHelper.php [edit]
[-] AnnotationTypeHelper.php [edit]
[-] TokenHelper.php [edit]
[-] DocCommentHelper.php [edit]
[-] AttributeHelper.php [edit]
[-] Comment.php [edit]
[-] SniffSettingsHelper.php [edit]
[-] UseStatement.php [edit]
[-] FunctionHelper.php [edit]
[-] YodaHelper.php [edit]
[-] IdentificatorHelper.php [edit]
[-] PropertyHelper.php [edit]
[-] UseStatementHelper.php [edit]
[-] FixerHelper.php [edit]
[-] PhpDocParserHelper.php [edit]
[-] CommentHelper.php [edit]
[-] Annotation.php [edit]
[-] ArrayKeyValue.php [edit]
[-] TypeHelper.php [edit]
[-] ClassHelper.php [edit]
[-] ParsedDocComment.php [edit]
[-] EmptyFileException.php [edit]
[-] ReferencedName.php [edit]