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<?php
/*
* This file is part of Class Preloader.
*
* (c) Graham Campbell <graham@alt-three.com>
* (c) Michael Dowling <mtdowling@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ClassPreloader;
use ClassPreloader\Parser\DirVisitor;
use ClassPreloader\Parser\FileVisitor;
use ClassPreloader\Parser\NodeTraverser;
use ClassPreloader\Parser\StrictTypesVisitor;
use PhpParser\Lexer;
use PhpParser\Parser;
use PhpParser\ParserFactory;
use PhpParser\PrettyPrinter\Standard as PrettyPrinter;
/**
* This is the class preloader factory class.
*
* This class is a simple way to create a class preloader instance.
*/
class Factory
{
/**
* Create a new class preloader instance.
*
* Any options provided determine how the node traverser is setup.
*
* @param bool[] $options
*
* @return \ClassPreloader\ClassPreloader
*/
public function create(array $options = [])
{
$printer = new PrettyPrinter();
$parser = $this->getParser();
$options = array_merge(['dir' => true, 'file' => true, 'skip' => false, 'strict' => false], $options);
$traverser = $this->getTraverser($options['dir'], $options['file'], $options['skip'], $options['strict']);
return new ClassPreloader($printer, $parser, $traverser);
}
/**
* Get the parser to use.
*
* @return \PhpParser\Parser
*/
protected function getParser()
{
if (class_exists(ParserFactory::class)) {
return (new ParserFactory())->create(ParserFactory::PREFER_PHP7);
}
return new Parser(new Lexer());
}
/**
* Get the node traverser to use.
*
* @param bool $dir
* @param bool $file
* @param bool $skip
* @param bool $strict
*
* @return \ClassPreloader\Parser\NodeTraverser
*/
protected function getTraverser($dir, $file, $skip, $strict)
{
$traverser = new NodeTraverser();
if ($dir) {
$traverser->addVisitor(new DirVisitor($skip));
}
if ($file) {
$traverser->addVisitor(new FileVisitor($skip));
}
if (!$strict) {
$traverser->addVisitor(new StrictTypesVisitor());
}
return $traverser;
}
}
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