<?php











namespace Composer;

use Composer\Autoload\ClassLoader;
use Composer\Semver\VersionParser;






class InstalledVersions
{
private static $installed = array (
  'root' => 
  array (
    'pretty_version' => 'dev-master',
    'version' => 'dev-master',
    'aliases' => 
    array (
    ),
    'reference' => 'c2ac69c943b11ecdf9dec07487a22fa1de94d399',
    'name' => '__root__',
  ),
  'versions' => 
  array (
    '__root__' => 
    array (
      'pretty_version' => 'dev-master',
      'version' => 'dev-master',
      'aliases' => 
      array (
      ),
      'reference' => 'c2ac69c943b11ecdf9dec07487a22fa1de94d399',
    ),
    'mpdf/mpdf' => 
    array (
      'pretty_version' => 'v8.2.2',
      'version' => '8.2.2.0',
      'aliases' => 
      array (
      ),
      'reference' => '596a87b876d7793be7be060a8ac13424de120dd5',
    ),
    'mpdf/psr-http-message-shim' => 
    array (
      'pretty_version' => 'v2.0.1',
      'version' => '2.0.1.0',
      'aliases' => 
      array (
      ),
      'reference' => 'f25a0153d645e234f9db42e5433b16d9b113920f',
    ),
    'mpdf/psr-log-aware-trait' => 
    array (
      'pretty_version' => 'v2.0.0',
      'version' => '2.0.0.0',
      'aliases' => 
      array (
      ),
      'reference' => '7a077416e8f39eb626dee4246e0af99dd9ace275',
    ),
    'myclabs/deep-copy' => 
    array (
      'pretty_version' => '1.11.1',
      'version' => '1.11.1.0',
      'aliases' => 
      array (
      ),
      'reference' => '7284c22080590fb39f2ffa3e9057f10a4ddd0e0c',
    ),
    'paragonie/random_compat' => 
    array (
      'pretty_version' => 'v9.99.100',
      'version' => '9.99.100.0',
      'aliases' => 
      array (
      ),
      'reference' => '996434e5492cb4c3edcb9168db6fbb1359ef965a',
    ),
    'psr/http-message' => 
    array (
      'pretty_version' => '2.0',
      'version' => '2.0.0.0',
      'aliases' => 
      array (
      ),
      'reference' => '402d35bcb92c70c026d1a6a9883f06b2ead23d71',
    ),
    'psr/log' => 
    array (
      'pretty_version' => '1.1.4',
      'version' => '1.1.4.0',
      'aliases' => 
      array (
      ),
      'reference' => 'd49695b909c3b7628b6289db5479a1c204601f11',
    ),
    'setasign/fpdi' => 
    array (
      'pretty_version' => 'v2.6.0',
      'version' => '2.6.0.0',
      'aliases' => 
      array (
      ),
      'reference' => 'a6db878129ec6c7e141316ee71872923e7f1b7ad',
    ),
  ),
);
private static $canGetVendors;
private static $installedByVendor = array();







public static function getInstalledPackages()
{
$packages = array();
foreach (self::getInstalled() as $installed) {
$packages[] = array_keys($installed['versions']);
}


if (1 === \count($packages)) {
return $packages[0];
}

return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
}









public static function isInstalled($packageName)
{
foreach (self::getInstalled() as $installed) {
if (isset($installed['versions'][$packageName])) {
return true;
}
}

return false;
}














public static function satisfies(VersionParser $parser, $packageName, $constraint)
{
$constraint = $parser->parseConstraints($constraint);
$provided = $parser->parseConstraints(self::getVersionRanges($packageName));

return $provided->matches($constraint);
}










public static function getVersionRanges($packageName)
{
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
continue;
}

$ranges = array();
if (isset($installed['versions'][$packageName]['pretty_version'])) {
$ranges[] = $installed['versions'][$packageName]['pretty_version'];
}
if (array_key_exists('aliases', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
}
if (array_key_exists('replaced', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
}
if (array_key_exists('provided', $installed['versions'][$packageName])) {
$ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
}

return implode(' || ', $ranges);
}

throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}





public static function getVersion($packageName)
{
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
continue;
}

if (!isset($installed['versions'][$packageName]['version'])) {
return null;
}

return $installed['versions'][$packageName]['version'];
}

throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}





public static function getPrettyVersion($packageName)
{
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
continue;
}

if (!isset($installed['versions'][$packageName]['pretty_version'])) {
return null;
}

return $installed['versions'][$packageName]['pretty_version'];
}

throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}





public static function getReference($packageName)
{
foreach (self::getInstalled() as $installed) {
if (!isset($installed['versions'][$packageName])) {
continue;
}

if (!isset($installed['versions'][$packageName]['reference'])) {
return null;
}

return $installed['versions'][$packageName]['reference'];
}

throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}





public static function getRootPackage()
{
$installed = self::getInstalled();

return $installed[0]['root'];
}







public static function getRawData()
{
return self::$installed;
}



















public static function reload($data)
{
self::$installed = $data;
self::$installedByVendor = array();
}




private static function getInstalled()
{
if (null === self::$canGetVendors) {
self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
}

$installed = array();

if (self::$canGetVendors) {
foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
if (isset(self::$installedByVendor[$vendorDir])) {
$installed[] = self::$installedByVendor[$vendorDir];
} elseif (is_file($vendorDir.'/composer/installed.php')) {
$installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
}
}
}

$installed[] = self::$installed;

return $installed;
}
}
