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src/WebimpressCodingStandard/Sniffs/Namespaces/UniqueImportSniff.php
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<?php | ||
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declare(strict_types=1); | ||
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namespace WebimpressCodingStandard\Sniffs\Namespaces; | ||
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use PHP_CodeSniffer\Files\File; | ||
use PHP_CodeSniffer\Sniffs\Sniff; | ||
use PHP_CodeSniffer\Util\Tokens; | ||
use WebimpressCodingStandard\CodingStandard; | ||
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use function explode; | ||
use function in_array; | ||
use function max; | ||
use function strtolower; | ||
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use const T_AS; | ||
use const T_COMMA; | ||
use const T_NAMESPACE; | ||
use const T_NS_SEPARATOR; | ||
use const T_OPEN_TAG; | ||
use const T_OPEN_USE_GROUP; | ||
use const T_SEMICOLON; | ||
use const T_STRING; | ||
use const T_USE; | ||
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class UniqueImportSniff implements Sniff | ||
{ | ||
/** | ||
* @return int[] | ||
*/ | ||
public function register() : array | ||
{ | ||
return [T_OPEN_TAG, T_NAMESPACE]; | ||
} | ||
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/** | ||
* @param int $stackPtr | ||
*/ | ||
public function process(File $phpcsFile, $stackPtr) : int | ||
{ | ||
$tokens = $phpcsFile->getTokens(); | ||
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if ($tokens[$stackPtr]['code'] === T_OPEN_TAG) { | ||
$namespace = $phpcsFile->findNext(T_NAMESPACE, $stackPtr + 1); | ||
if ($namespace) { | ||
return $namespace; | ||
} | ||
} | ||
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$uses = $this->getUseStatements($phpcsFile, $stackPtr); | ||
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foreach ($uses as $type => $data) { | ||
foreach ($data as $name => $ptrs) { | ||
if (isset($ptrs[1])) { | ||
$ptr = max($ptrs); | ||
if ($type === 'full') { | ||
$error = 'The same %s %s is already imported'; | ||
$data = [explode('::', $name)[0], $tokens[$ptr]['content']]; | ||
$phpcsFile->addError($error, $ptr, 'DuplicateImport', $data); | ||
} else { | ||
$error = 'The name %s is already used for another %s'; | ||
$data = [$tokens[$ptr]['content'], $type]; | ||
$phpcsFile->addError($error, $ptr, 'DuplicateAlias', $data); | ||
} | ||
} | ||
} | ||
} | ||
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return $tokens[$stackPtr]['code'] === T_OPEN_TAG | ||
? $phpcsFile->numTokens + 1 | ||
: $stackPtr + 1; | ||
} | ||
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/** | ||
* @return string[][] | ||
*/ | ||
private function getUseStatements(File $phpcsFile, int $scopePtr) : array | ||
{ | ||
$tokens = $phpcsFile->getTokens(); | ||
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$uses = []; | ||
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if (isset($tokens[$scopePtr]['scope_opener'])) { | ||
$start = $tokens[$scopePtr]['scope_opener']; | ||
$end = $tokens[$scopePtr]['scope_closer']; | ||
} else { | ||
$start = $scopePtr; | ||
$end = null; | ||
} | ||
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while ($use = $phpcsFile->findNext(T_USE, $start + 1, $end)) { | ||
if (! CodingStandard::isGlobalUse($phpcsFile, $use)) { | ||
$start = $use; | ||
continue; | ||
} | ||
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$semicolon = $phpcsFile->findNext(T_SEMICOLON, $use + 1); | ||
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$type = 'class'; | ||
$next = $phpcsFile->findNext(Tokens::$emptyTokens, $use + 1, null, true); | ||
if ($tokens[$next]['code'] === T_STRING | ||
&& in_array(strtolower($tokens[$next]['content']), ['const', 'function'], true) | ||
) { | ||
$type = strtolower($tokens[$next]['content']); | ||
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$use = $next + 1; | ||
} | ||
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$current = $semicolon; | ||
while ($namePtr = $phpcsFile->findPrevious(T_STRING, $current, $use)) { | ||
$key = $tokens[$namePtr]['content']; | ||
if ($type !== 'const') { | ||
$key = strtolower($key); | ||
} | ||
$uses[$type][$key][] = $namePtr; | ||
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$lastPtr = $namePtr; | ||
$as = $phpcsFile->findPrevious(Tokens::$emptyTokens, $namePtr - 1, null, true); | ||
if ($tokens[$as]['code'] === T_AS) { | ||
$lastPtr = $phpcsFile->findPrevious(T_STRING, $as - 1); | ||
$key = $tokens[$lastPtr]['content']; | ||
if ($type !== 'const') { | ||
$key = strtolower($key); | ||
} | ||
} | ||
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$from = $phpcsFile->findPrevious( | ||
Tokens::$emptyTokens + [ | ||
T_STRING => T_STRING, | ||
T_NS_SEPARATOR => T_NS_SEPARATOR, | ||
], | ||
$lastPtr - 1, | ||
$use, | ||
true | ||
) ?: $use; | ||
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$full = ''; | ||
for ($i = $from + 1; $i < $lastPtr; ++$i) { | ||
if ($tokens[$i]['code'] === T_STRING || $tokens[$i]['code'] === T_NS_SEPARATOR) { | ||
$full .= $tokens[$i]['content']; | ||
} | ||
} | ||
$full .= $key; | ||
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$prev = $phpcsFile->findPrevious(T_OPEN_USE_GROUP, $lastPtr - 1, $use); | ||
if ($prev) { | ||
for ($i = $prev - 1; $i > $use; --$i) { | ||
if ($tokens[$i]['code'] === T_STRING || $tokens[$i]['code'] === T_NS_SEPARATOR) { | ||
$full = $tokens[$i]['content'] . $full; | ||
} | ||
} | ||
} | ||
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$uses['full'][$type . '::' . $full][] = $lastPtr; | ||
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$current = $phpcsFile->findPrevious(T_COMMA, $namePtr - 1, $use); | ||
if ($current === false) { | ||
break; | ||
} | ||
} | ||
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$start = $semicolon; | ||
} | ||
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return $uses; | ||
} | ||
} |
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<?php | ||
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namespace OneNamespace; | ||
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use MyNamespace\MyClass; | ||
use MyNamespace\General; | ||
use OtherNamespace\MyClass as General; | ||
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use function MyFunctions\general; | ||
use function array_merge as f1; | ||
use function array_diff as f1; | ||
use function array_diff as f2; | ||
use function | ||
array_filter, | ||
array_merge; | ||
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use const MyConsts\GENERAL; | ||
use const MyConsts\OTHER as A; | ||
use const MyConsts\FOO as A; | ||
use const Other\{ | ||
CONST1, | ||
CONST2 as General, | ||
CONST3 as GENERAL | ||
}; | ||
use const Myconsts\OTHER; | ||
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class One | ||
{ | ||
use MyTrait; | ||
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private $closure; | ||
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public function __construct(MyClass $a) | ||
{ | ||
$this->closure = function() use($a) {}; | ||
} | ||
} |
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<?php | ||
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namespace First { | ||
use MyNamespace\MyClass; | ||
use MyNamespace\General; | ||
use OtherNamespace\MyClass as General; | ||
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use function MyFunctions\general; | ||
use function array_merge as f1; | ||
use function array_diff as f1; | ||
use function array_diff as f2; | ||
use function | ||
array_filter, | ||
array_merge; | ||
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use const MyConsts\GENERAL; | ||
use const MyConsts\OTHER as A; | ||
use const MyConsts\FOO as A; | ||
use const Other\{ | ||
CONST1, | ||
CONST2 as General, | ||
CONST3 as GENERAL | ||
}; | ||
use const Myconsts\OTHER; | ||
} | ||
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namespace Second { | ||
use MyNamespace\MyClass; | ||
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use function array_merge; | ||
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use const A; | ||
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class Two { | ||
use MyTrait; | ||
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private $closure; | ||
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public function __construct(MyClass $a) { | ||
$this->closure = function() use($a) {}; | ||
} | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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<?php | ||
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use MyNamespace\MyClass; | ||
use MyNamespace\General; | ||
use OtherNamespace\MyClass as General; | ||
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use function MyFunctions\general; | ||
use function array_merge as f1; | ||
use function array_diff as f1; | ||
use function array_diff as f2; | ||
use function | ||
array_filter, | ||
array_merge; | ||
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use const MyConsts\GENERAL; | ||
use const MyConsts\OTHER as A; | ||
use const MyConsts\FOO as A; | ||
use const Other\{ | ||
CONST1, | ||
CONST2 as General, | ||
CONST3 as GENERAL | ||
}; | ||
use const Myconsts\OTHER; | ||
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class None { | ||
use MyTrait; | ||
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private $closure; | ||
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public function __construct(MyClass $a) { | ||
$this->closure = function() use($a) {}; | ||
} | ||
} |
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<?php | ||
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declare(strict_types=1); | ||
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namespace WebimpressCodingStandardTest\Sniffs\Namespaces; | ||
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use WebimpressCodingStandardTest\Sniffs\AbstractTestCase; | ||
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class UniqueImportUnitTest extends AbstractTestCase | ||
{ | ||
protected function getErrorList(string $testFile = '') : array | ||
{ | ||
switch ($testFile) { | ||
case 'UniqueImportUnitTest.1.inc': | ||
return [ | ||
7 => 1, | ||
11 => 1, | ||
12 => 1, | ||
15 => 1, | ||
19 => 1, | ||
23 => 1, | ||
]; | ||
case 'UniqueImportUnitTest.2.inc': | ||
return [ | ||
6 => 1, | ||
10 => 1, | ||
11 => 1, | ||
14 => 1, | ||
18 => 1, | ||
22 => 1, | ||
]; | ||
} | ||
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return [ | ||
5 => 1, | ||
9 => 1, | ||
10 => 1, | ||
13 => 1, | ||
17 => 1, | ||
21 => 1, | ||
]; | ||
} | ||
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protected function getWarningList(string $testFile = '') : array | ||
{ | ||
return []; | ||
} | ||
} |