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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\NodeVisitor\FunctionStmt; |
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use PhpParser\Node; |
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use PhpParser\Node\Expr\FuncCall; |
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use PhpParser\Node\Name; |
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use PhpParser\Node\Scalar\String_; |
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use PhpParser\NodeVisitorAbstract; |
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final class ScopeFunctionCallArgumentsStmtNodeVisitor extends NodeVisitorAbstract |
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{ |
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private $prefix; |
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private $whitelist; |
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private $functions; |
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/** |
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* @param string $prefix |
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* @param string[] $whitelist |
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* @param string[] $functions Functions which first parameter should be prefixed. |
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*/ |
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public function __construct(string $prefix, array $whitelist, array $functions) |
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{ |
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$this->prefix = $prefix; |
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$this->whitelist = $whitelist; |
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$this->functions = $functions; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function enterNode(Node $node): Node |
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{ |
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if (!$node instanceof FuncCall || null === $node->name) { |
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return $node; |
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} |
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if (!$node->name instanceof Name) { |
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return $node; |
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} |
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if (!in_array($node->name->getFirst(), $this->functions)) { |
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return $node; |
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} |
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$value = $node->args[0]->value; |
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if (!$value instanceof String_) { |
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return $node; |
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} |
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$stringValue = ltrim($value->value, '\\'); |
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// Do not prefix whitelisted class methods |
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if (in_array($stringValue, $this->whitelist)) { |
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return $node; |
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} |
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// Do not prefix function calls belonging to the global namespace |
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if (false !== strstr($stringValue, '\\')) { |
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$value->value = ($value->value !== $stringValue ? '\\' : '').$this->prefix.'\\'.$stringValue; |
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} |
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return $node; |
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} |
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} |
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humbug /
php-scoper
