<?php

/*

* This file is part of Bowerphp.

*

* (c) Massimiliano Arione <massimiliano.arione@bee-lab.net>

* (c) Mauro D'Alatri <mauro.dalatri@bee-lab.net>

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace Bowerphp;

use Symfony\Component\Finder\Finder;

/**

* The Compiler class compiles Bower into a phar.

*/

class Compiler

{

/**

* @var bool

*/

private $gz;

/**

* @param bool $gz

*/

public function __construct($gz = false)

{

$this->gz = $gz;

}

/**

* Compiles bower into a single phar file

*

* @throws \RuntimeException

* @param string $pharFile The full path to the file to create

*/

public function compile($pharFile = 'bowerphp.phar')

{

if (file_exists($pharFile)) {

unlink($pharFile);

}

$phar = new \Phar($pharFile, 0, 'bowerphp.phar');

$phar->setSignatureAlgorithm(\Phar::SHA1);

$phar->startBuffering();

$finder = new Finder();

$finder->files()

->ignoreVCS(true)

->name('*.php')

->notName('Compiler.php')

->notName('ClassLoader.php')

->in(__DIR__ . '/..')

;

foreach ($finder as $file) {

$this->addFile($phar, $file);

}

$finder = new Finder();

$finder->files()

->ignoreVCS(true)

->name('*.php')

->name('*.pem')

->name('*.pem.md5')

->exclude('Tests')

->in(__DIR__ . '/../../vendor/symfony/')

->in(__DIR__ . '/../../vendor/guzzle/guzzle/src/')

->in(__DIR__ . '/../../vendor/ircmaxell/password-compat/lib/')

->in(__DIR__ . '/../../vendor/paragonie/random_compat/lib/')

->in(__DIR__ . '/../../vendor/knplabs/github-api/lib/')

->in(__DIR__ . '/../../vendor/samsonasik/package-versions/src/PackageVersions/')

->in(__DIR__ . '/../../vendor/vierbergenlars/php-semver/src/vierbergenlars/LibJs/')

->in(__DIR__ . '/../../vendor/vierbergenlars/php-semver/src/vierbergenlars/SemVer/')

->in(__DIR__ . '/../../vendor/hamcrest/hamcrest-php/hamcrest/')

;

foreach ($finder as $file) {

$this->addFile($phar, $file);

}

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/autoload.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_psr4.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_files.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_namespaces.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_classmap.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_real.php'));

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/autoload_static.php'));

if (file_exists(__DIR__ . '/../../vendor/composer/include_paths.php')) {

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/include_paths.php'));

}

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../vendor/composer/ClassLoader.php'));

$this->addBin($phar);

// Stubs

$phar->setStub($this->getStub());

$phar->stopBuffering();

if ($this->gz) {

$phar->compressFiles(\Phar::GZ);

}

$this->addFile($phar, new \SplFileInfo(__DIR__ . '/../../LICENSE'), false);

unset($phar);

chmod('bowerphp.phar', 0700);

}

/**

* @param \Phar $phar

* @param \SplFileInfo $file

* @param bool $strip

*/

private function addFile(\Phar $phar, \SplFileInfo $file, $strip = true)

{

$path = strtr(str_replace(dirname(dirname(__DIR__)) . DIRECTORY_SEPARATOR, '', $file->getRealPath()), '\\', '/');

$content = file_get_contents($file);

if ($strip) {

$content = $this->stripWhitespace($content);

} elseif ('LICENSE' === basename($file)) {

$content = "\n" . $content . "\n";

}

$phar->addFromString($path, $content);

}

/**

* @param \Phar $phar

*/

private function addBin(\Phar $phar)

{

$content = file_get_contents(__DIR__ . '/../../bin/bowerphp');

$content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);

$phar->addFromString('bin/bowerphp', $content);

}

/**

* Removes whitespace from a PHP source string while preserving line numbers.

*

* @param string $source A PHP string

* @return string The PHP string with the whitespace removed

*/

private function stripWhitespace($source)

{

if (!function_exists('token_get_all')) {

return $source;

}

$output = '';

foreach (token_get_all($source) as $token) {

if (is_string($token)) {

$output .= $token;

} elseif (in_array($token[0], [T_COMMENT, T_DOC_COMMENT], true)) {

$output .= str_repeat("\n", substr_count($token[1], "\n"));

} elseif (T_WHITESPACE === $token[0]) {

// reduce wide spaces

$whitespace = preg_replace('{[ \t]+}', ' ', $token[1]);

// normalize newlines to \n

$whitespace = preg_replace('{(?:\r\n|\r|\n)}', "\n", $whitespace);

// trim leading spaces

$whitespace = preg_replace('{\n +}', "\n", $whitespace);

$output .= $whitespace;

} else {

$output .= $token[1];

}

}

return $output;

}

/**

* @return string

*/

private function getStub()

{

$stub = <<<'EOF'

#!/usr/bin/env php

<?php

/*

* This file is part of Bowerphp.

*

* (c) Massimiliano Arione <massimiliano.arione@bee-lab.net>

* Mauro D'Alatri <mauro.dalatri@bee-lab.net>

*

* For the full copyright and license information, please view

* the license that is located at the bottom of this file.

*/

Phar::mapPhar('bowerphp.phar');

EOF;

return $stub . <<<'EOF'

require 'phar://bowerphp.phar/bin/bowerphp';

__HALT_COMPILER();

EOF;

}

}