363 lines
11 KiB
PHP
363 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* PHPCompatibility, an external standard for PHP_CodeSniffer.
|
|
*
|
|
* @package PHPCompatibility
|
|
* @copyright 2012-2019 PHPCompatibility Contributors
|
|
* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
|
|
* @link https://github.com/PHPCompatibility/PHPCompatibility
|
|
*/
|
|
|
|
namespace PHPCompatibility\Sniffs\Interfaces;
|
|
|
|
use PHPCompatibility\AbstractNewFeatureSniff;
|
|
use PHPCompatibility\PHPCSHelper;
|
|
use PHP_CodeSniffer_File as File;
|
|
|
|
/**
|
|
* Detect use of new PHP native interfaces and unsupported interface methods.
|
|
*
|
|
* PHP version 5.0+
|
|
*
|
|
* @since 7.0.3
|
|
* @since 7.1.0 Now extends the `AbstractNewFeatureSniff` instead of the base `Sniff` class..
|
|
* @since 7.1.4 Now also detects new interfaces when used as parameter type declarations.
|
|
* @since 8.2.0 Now also detects new interfaces when used as return type declarations.
|
|
*/
|
|
class NewInterfacesSniff extends AbstractNewFeatureSniff
|
|
{
|
|
|
|
/**
|
|
* A list of new interfaces, not present in older versions.
|
|
*
|
|
* The array lists : version number with false (not present) or true (present).
|
|
* If's sufficient to list the first version where the interface appears.
|
|
*
|
|
* @since 7.0.3
|
|
*
|
|
* @var array(string => array(string => bool))
|
|
*/
|
|
protected $newInterfaces = array(
|
|
'Traversable' => array(
|
|
'4.4' => false,
|
|
'5.0' => true,
|
|
),
|
|
'Reflector' => array(
|
|
'4.4' => false,
|
|
'5.0' => true,
|
|
),
|
|
|
|
'Countable' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'OuterIterator' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'RecursiveIterator' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'SeekableIterator' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'Serializable' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'SplObserver' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
'SplSubject' => array(
|
|
'5.0' => false,
|
|
'5.1' => true,
|
|
),
|
|
|
|
'JsonSerializable' => array(
|
|
'5.3' => false,
|
|
'5.4' => true,
|
|
),
|
|
'SessionHandlerInterface' => array(
|
|
'5.3' => false,
|
|
'5.4' => true,
|
|
),
|
|
|
|
'DateTimeInterface' => array(
|
|
'5.4' => false,
|
|
'5.5' => true,
|
|
),
|
|
|
|
'SessionIdInterface' => array(
|
|
'5.5.0' => false,
|
|
'5.5.1' => true,
|
|
),
|
|
|
|
'Throwable' => array(
|
|
'5.6' => false,
|
|
'7.0' => true,
|
|
),
|
|
'SessionUpdateTimestampHandlerInterface' => array(
|
|
'5.6' => false,
|
|
'7.0' => true,
|
|
),
|
|
);
|
|
|
|
/**
|
|
* A list of methods which cannot be used in combination with particular interfaces.
|
|
*
|
|
* @since 7.0.3
|
|
*
|
|
* @var array(string => array(string => string))
|
|
*/
|
|
protected $unsupportedMethods = array(
|
|
'Serializable' => array(
|
|
'__sleep' => 'https://www.php.net/serializable',
|
|
'__wakeup' => 'https://www.php.net/serializable',
|
|
),
|
|
);
|
|
|
|
/**
|
|
* Returns an array of tokens this test wants to listen for.
|
|
*
|
|
* @since 7.0.3
|
|
*
|
|
* @return array
|
|
*/
|
|
public function register()
|
|
{
|
|
// Handle case-insensitivity of interface names.
|
|
$this->newInterfaces = $this->arrayKeysToLowercase($this->newInterfaces);
|
|
$this->unsupportedMethods = $this->arrayKeysToLowercase($this->unsupportedMethods);
|
|
|
|
$targets = array(
|
|
\T_CLASS,
|
|
\T_FUNCTION,
|
|
\T_CLOSURE,
|
|
);
|
|
|
|
if (\defined('T_ANON_CLASS')) {
|
|
$targets[] = \T_ANON_CLASS;
|
|
}
|
|
|
|
if (\defined('T_RETURN_TYPE')) {
|
|
$targets[] = \T_RETURN_TYPE;
|
|
}
|
|
|
|
return $targets;
|
|
}
|
|
|
|
|
|
/**
|
|
* Processes this test, when one of its tokens is encountered.
|
|
*
|
|
* @since 7.0.3
|
|
*
|
|
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
|
* @param int $stackPtr The position of the current token in
|
|
* the stack passed in $tokens.
|
|
*
|
|
* @return void
|
|
*/
|
|
public function process(File $phpcsFile, $stackPtr)
|
|
{
|
|
$tokens = $phpcsFile->getTokens();
|
|
|
|
switch ($tokens[$stackPtr]['type']) {
|
|
case 'T_CLASS':
|
|
case 'T_ANON_CLASS':
|
|
$this->processClassToken($phpcsFile, $stackPtr);
|
|
break;
|
|
|
|
case 'T_FUNCTION':
|
|
case 'T_CLOSURE':
|
|
$this->processFunctionToken($phpcsFile, $stackPtr);
|
|
|
|
// Deal with older PHPCS versions which don't recognize return type hints
|
|
// as well as newer PHPCS versions (3.3.0+) where the tokenization has changed.
|
|
$returnTypeHint = $this->getReturnTypeHintToken($phpcsFile, $stackPtr);
|
|
if ($returnTypeHint !== false) {
|
|
$this->processReturnTypeToken($phpcsFile, $returnTypeHint);
|
|
}
|
|
break;
|
|
|
|
case 'T_RETURN_TYPE':
|
|
$this->processReturnTypeToken($phpcsFile, $stackPtr);
|
|
break;
|
|
|
|
default:
|
|
// Deliberately left empty.
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Processes this test for when a class token is encountered.
|
|
*
|
|
* - Detect classes implementing the new interfaces.
|
|
* - Detect classes implementing the new interfaces with unsupported functions.
|
|
*
|
|
* @since 7.1.4 Split off from the `process()` method.
|
|
*
|
|
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
|
* @param int $stackPtr The position of the current token in
|
|
* the stack passed in $tokens.
|
|
*
|
|
* @return void
|
|
*/
|
|
private function processClassToken(File $phpcsFile, $stackPtr)
|
|
{
|
|
$interfaces = PHPCSHelper::findImplementedInterfaceNames($phpcsFile, $stackPtr);
|
|
|
|
if (\is_array($interfaces) === false || $interfaces === array()) {
|
|
return;
|
|
}
|
|
|
|
$tokens = $phpcsFile->getTokens();
|
|
$checkMethods = false;
|
|
|
|
if (isset($tokens[$stackPtr]['scope_closer'])) {
|
|
$checkMethods = true;
|
|
$scopeCloser = $tokens[$stackPtr]['scope_closer'];
|
|
}
|
|
|
|
foreach ($interfaces as $interface) {
|
|
$interface = ltrim($interface, '\\');
|
|
$interfaceLc = strtolower($interface);
|
|
|
|
if (isset($this->newInterfaces[$interfaceLc]) === true) {
|
|
$itemInfo = array(
|
|
'name' => $interface,
|
|
'nameLc' => $interfaceLc,
|
|
);
|
|
$this->handleFeature($phpcsFile, $stackPtr, $itemInfo);
|
|
}
|
|
|
|
if ($checkMethods === true && isset($this->unsupportedMethods[$interfaceLc]) === true) {
|
|
$nextFunc = $stackPtr;
|
|
while (($nextFunc = $phpcsFile->findNext(\T_FUNCTION, ($nextFunc + 1), $scopeCloser)) !== false) {
|
|
$funcName = $phpcsFile->getDeclarationName($nextFunc);
|
|
$funcNameLc = strtolower($funcName);
|
|
if ($funcNameLc === '') {
|
|
continue;
|
|
}
|
|
|
|
if (isset($this->unsupportedMethods[$interfaceLc][$funcNameLc]) === true) {
|
|
$error = 'Classes that implement interface %s do not support the method %s(). See %s';
|
|
$errorCode = $this->stringToErrorCode($interface) . 'UnsupportedMethod';
|
|
$data = array(
|
|
$interface,
|
|
$funcName,
|
|
$this->unsupportedMethods[$interfaceLc][$funcNameLc],
|
|
);
|
|
|
|
$phpcsFile->addError($error, $nextFunc, $errorCode, $data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Processes this test for when a function token is encountered.
|
|
*
|
|
* - Detect new interfaces when used as a type hint.
|
|
*
|
|
* @since 7.1.4
|
|
*
|
|
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
|
* @param int $stackPtr The position of the current token in
|
|
* the stack passed in $tokens.
|
|
*
|
|
* @return void
|
|
*/
|
|
private function processFunctionToken(File $phpcsFile, $stackPtr)
|
|
{
|
|
$typeHints = $this->getTypeHintsFromFunctionDeclaration($phpcsFile, $stackPtr);
|
|
if (empty($typeHints) || \is_array($typeHints) === false) {
|
|
return;
|
|
}
|
|
|
|
foreach ($typeHints as $hint) {
|
|
|
|
$typeHintLc = strtolower($hint);
|
|
|
|
if (isset($this->newInterfaces[$typeHintLc]) === true) {
|
|
$itemInfo = array(
|
|
'name' => $hint,
|
|
'nameLc' => $typeHintLc,
|
|
);
|
|
$this->handleFeature($phpcsFile, $stackPtr, $itemInfo);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Processes this test for when a return type token is encountered.
|
|
*
|
|
* - Detect new interfaces when used as a return type declaration.
|
|
*
|
|
* @since 8.2.0
|
|
*
|
|
* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
|
|
* @param int $stackPtr The position of the current token in
|
|
* the stack passed in $tokens.
|
|
*
|
|
* @return void
|
|
*/
|
|
private function processReturnTypeToken(File $phpcsFile, $stackPtr)
|
|
{
|
|
$returnTypeHint = $this->getReturnTypeHintName($phpcsFile, $stackPtr);
|
|
if (empty($returnTypeHint)) {
|
|
return;
|
|
}
|
|
|
|
$returnTypeHint = ltrim($returnTypeHint, '\\');
|
|
$returnTypeHintLc = strtolower($returnTypeHint);
|
|
|
|
if (isset($this->newInterfaces[$returnTypeHintLc]) === false) {
|
|
return;
|
|
}
|
|
|
|
// Still here ? Then this is a return type declaration using a new interface.
|
|
$itemInfo = array(
|
|
'name' => $returnTypeHint,
|
|
'nameLc' => $returnTypeHintLc,
|
|
);
|
|
$this->handleFeature($phpcsFile, $stackPtr, $itemInfo);
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the relevant sub-array for a specific item from a multi-dimensional array.
|
|
*
|
|
* @since 7.1.0
|
|
*
|
|
* @param array $itemInfo Base information about the item.
|
|
*
|
|
* @return array Version and other information about the item.
|
|
*/
|
|
public function getItemArray(array $itemInfo)
|
|
{
|
|
return $this->newInterfaces[$itemInfo['nameLc']];
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the error message template for this sniff.
|
|
*
|
|
* @since 7.1.0
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function getErrorMsgTemplate()
|
|
{
|
|
return 'The built-in interface ' . parent::getErrorMsgTemplate();
|
|
}
|
|
}
|