Using Puli for PSR-4 style autoloading

autoload-puli.php

<?php

// Put this file in your vendor/ directory

// The classes needed to make the autoloader work
require_once __DIR__.'/webmozart/puli/src/Locator/ResourceNotFoundException.php';
require_once __DIR__.'/webmozart/puli/src/Locator/DataStorageInterface.php';
require_once __DIR__.'/webmozart/puli/src/Locator/ResourceLocatorInterface.php';
require_once __DIR__.'/webmozart/puli/src/Locator/AbstractResourceLocator.php';
require_once __DIR__.'/webmozart/puli/src/Locator/PhpResourceLocator.php';
require_once __DIR__.'/webmozart/puli/src/LocatorDumper/ResourceLocatorDumperInterface.php';
require_once __DIR__.'/webmozart/puli/src/LocatorDumper/PhpResourceLocatorDumper.php';
require_once __DIR__.'/webmozart/puli/src/Pattern/PatternFactoryInterface.php';
require_once __DIR__.'/webmozart/puli/src/PatternLocator/PatternLocatorInterface.php';
require_once __DIR__.'/webmozart/puli/src/PatternLocator/GlobPatternLocator.php';
require_once __DIR__.'/webmozart/puli/src/Resource/ResourceInterface.php';
require_once __DIR__.'/webmozart/puli/src/Resource/LazyFileResource.php';

$locator = require_once __DIR__.'/resource-locator.php';

spl_autoload_register(function ($class) use ($locator) {
    try {
        require $locator->get('/'.ltrim(strtr($class, array('\\' => '/')), '/').'.php')->getPath();
    } catch (\Webmozart\Puli\Locator\ResourceNotFoundException $e) {
    }
});

return $locator;

composer.json

{
    "require": {
        "webmozart/composer-puli-plugin": "~1.0@alpha"
    },
    "extra": {
        "resources": {
            "override": {
                "/Webmozart/Puli": "vendor/webmozart/puli/src",
                "/Webmozart/Puli/Tests": "vendor/webmozart/puli/tests"
            }
        }
    },
    "minimum-stability": "alpha"
}

test.php

<?php

use Webmozart\Puli\Puli;
use Webmozart\Puli\StreamWrapper\ResourceStreamWrapper;

$locator = require __DIR__.'/vendor/autoload-puli.php';

// This class is autoloaded!
echo Puli::VERSION."\n";

// Let's see where it was loaded from
echo $locator->get('/Webmozart/Puli/Puli.php')->getPath()."\n";

// This class is also autoloaded
ResourceStreamWrapper::register('namespace', $locator);

// We can access files relative to PHP namespaces
echo file_get_contents('namespace:///Webmozart/Puli/Tests/Fixtures/dir1/file1')."\n";