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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the humbug/php-scoper package. |
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* |
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* Copyright (c) 2017 Théo FIDRY <[email protected]>, |
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* Pádraic Brady <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Humbug\PhpScoper\Scoper\Symfony; |
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use Humbug\PhpScoper\Scoper; |
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use Humbug\PhpScoper\Whitelist; |
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use PhpParser\Node\Name\FullyQualified; |
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use function func_get_args; |
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use function preg_match_all; |
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use function str_replace; |
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use function strlen; |
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use function strpos; |
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use function substr; |
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/** |
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* Scopes the Symfony XML configuration files. |
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*/ |
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final class XmlScoper implements Scoper |
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{ |
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private const FILE_PATH_PATTERN = '/.*\.xml$/i'; |
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private $decoratedScoper; |
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public function __construct(Scoper $decoratedScoper) |
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{ |
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$this->decoratedScoper = $decoratedScoper; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function scope(string $filePath, string $contents, string $prefix, array $patchers, Whitelist $whitelist): string |
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{ |
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if (1 !== preg_match(self::FILE_PATH_PATTERN, $filePath)) { |
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return $this->decoratedScoper->scope(...func_get_args()); |
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} |
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$contents = $this->scopeClasses($contents, $prefix, $whitelist); |
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$contents = $this->scopeNamespaces($contents, $prefix, $whitelist); |
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return $contents; |
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} |
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private function scopeClasses(string $contents, string $prefix, Whitelist $whitelist): string |
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{ |
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if (1 > preg_match_all('/(?:(?<singleClass>(?:[\p{L}_\d]+(?<singleSeparator>\\\\(?:\\\\)?){1})):)|(?<class>(?:[\p{L}_\d]+(?<separator>\\\\(?:\\\\)?)+)+[\p{L}_\d]+)/u', $contents, $matches)) { |
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return $contents; |
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} |
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$contents = $this->replaceClasses( |
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array_filter($matches['singleClass']), |
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array_filter($matches['singleSeparator']), |
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$prefix, |
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$contents, |
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$whitelist |
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); |
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$contents = $this->replaceClasses( |
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array_filter($matches['class']), |
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array_filter($matches['separator']), |
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$prefix, |
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$contents, |
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$whitelist |
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); |
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return $contents; |
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} |
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private function scopeNamespaces(string $contents, string $prefix, Whitelist $whitelist): string |
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{ |
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if (1 > preg_match_all('/\<prototype.*\snamespace="(?:(?<namespace>(?:[^\\\\]+(?<separator>\\\\(?:\\\\)?){1})))"/', $contents, $matches)) { |
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return $contents; |
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} |
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return $this->replaceClasses( |
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array_filter($matches['namespace']), |
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array_filter($matches['separator']), |
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$prefix, |
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$contents, |
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$whitelist |
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); |
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} |
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/** |
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* @param string[] $classes |
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* @param string[] $separators |
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*/ |
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private function replaceClasses( |
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array $classes, |
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array $separators, |
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string $prefix, |
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string $contents, |
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Whitelist $whitelist |
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): string { |
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if ([] === $classes) { |
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return $contents; |
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} |
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$scopedContents = ''; |
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foreach ($classes as $index => $class) { |
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$offset = strpos($contents, $class) + strlen($class); |
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$stringToScope = substr($contents, 0, $offset); |
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$contents = substr($contents, $offset); |
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$prefixedClass = $prefix.$separators[$index].$class; |
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$scopedContents .= $whitelist->belongsToWhitelistedNamespace($class) |
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? $stringToScope |
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: str_replace($class, $prefixedClass, $stringToScope) |
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; |
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if ($whitelist->isSymbolWhitelisted($class) || $whitelist->isGlobalWhitelistedClass($class)) { |
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$whitelist->recordWhitelistedClass( |
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new FullyQualified($class), |
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new FullyQualified($prefixedClass) |
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); |
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} |
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} |
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$scopedContents .= $contents; |
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return $scopedContents; |
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} |
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} |
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humbug /
php-scoper
