133 lines
3.8 KiB
PHP
133 lines
3.8 KiB
PHP
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<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\ParameterValues;
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use PHPCompatibility\AbstractFunctionCallParameterSniff;
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use PHP_CodeSniffer_File as File;
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/**
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* Check for valid values for the `$format` passed to `pack()`.
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*
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* PHP version 5.4+
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*
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* @link https://www.php.net/manual/en/function.pack.php#refsect1-function.pack-changelog
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*
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* @since 9.0.0
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*/
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class NewPackFormatSniff extends AbstractFunctionCallParameterSniff
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{
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/**
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* Functions to check for.
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*
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* @since 9.0.0
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*
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* @var array
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*/
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protected $targetFunctions = array(
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'pack' => true,
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);
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/**
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* List of new format character codes added to pack().
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*
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* @since 9.0.0
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*
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* @var array Regex pattern => Version array.
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*/
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protected $newFormats = array(
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'`([Z])`' => array(
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'5.4' => false,
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'5.5' => true,
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),
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'`([qQJP])`' => array(
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'5.6.2' => false,
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'5.6.3' => true,
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),
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'`([eEgG])`' => array(
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'7.0.14' => false,
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'7.0.15' => true, // And 7.1.1.
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),
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);
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/**
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* Do a version check to determine if this sniff needs to run at all.
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*
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* @since 9.0.0
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*
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* @return bool
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*/
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protected function bowOutEarly()
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{
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return ($this->supportsBelow('7.1') === false);
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}
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/**
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* Process the parameters of a matched function.
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*
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* @since 9.0.0
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token in the stack.
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* @param string $functionName The token content (function name) which was matched.
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* @param array $parameters Array with information about the parameters.
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*
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* @return int|void Integer stack pointer to skip forward or void to continue
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* normal file processing.
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*/
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public function processParameters(File $phpcsFile, $stackPtr, $functionName, $parameters)
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{
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if (isset($parameters[1]) === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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$targetParam = $parameters[1];
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for ($i = $targetParam['start']; $i <= $targetParam['end']; $i++) {
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if ($tokens[$i]['code'] !== \T_CONSTANT_ENCAPSED_STRING
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&& $tokens[$i]['code'] !== \T_DOUBLE_QUOTED_STRING
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) {
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continue;
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}
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$content = $tokens[$i]['content'];
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if ($tokens[$i]['code'] === \T_DOUBLE_QUOTED_STRING) {
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$content = $this->stripVariables($content);
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}
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foreach ($this->newFormats as $pattern => $versionArray) {
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if (preg_match($pattern, $content, $matches) !== 1) {
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continue;
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}
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foreach ($versionArray as $version => $present) {
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if ($present === false && $this->supportsBelow($version) === true) {
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$phpcsFile->addError(
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'Passing the $format(s) "%s" to pack() is not supported in PHP %s or lower. Found %s',
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$targetParam['start'],
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'NewFormatFound',
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array(
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$matches[1],
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$version,
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$targetParam['raw'],
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)
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);
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continue 2;
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}
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}
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}
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}
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}
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}
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