<?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' => '9b92d41d3f74ef6b7eb4511cebdc02bf904838f9',
    'name' => 'creativeitem/learny',
  ),
  'versions' => 
  array (
    'creativeitem/learny' => 
    array (
      'pretty_version' => 'dev-master',
      'version' => 'dev-master',
      'aliases' => 
      array (
      ),
      'reference' => '9b92d41d3f74ef6b7eb4511cebdc02bf904838f9',
    ),
    'dompdf/dompdf' => 
    array (
      'pretty_version' => 'dev-master',
      'version' => 'dev-master',
      'aliases' => 
      array (
        0 => '9999999-dev',
      ),
      'reference' => 'b6241c3434adc699006aa61fee85e6a6da9ac566',
    ),
    'paypal/rest-api-sdk-php' => 
    array (
      'pretty_version' => 'dev-master',
      'version' => 'dev-master',
      'aliases' => 
      array (
        0 => '9999999-dev',
      ),
      'reference' => '1a2ed767bb09374a8a222069930e94fccf99009e',
    ),
    'phenx/php-font-lib' => 
    array (
      'pretty_version' => '0.5.2',
      'version' => '0.5.2.0',
      'aliases' => 
      array (
      ),
      'reference' => 'ca6ad461f032145fff5971b5985e5af9e7fa88d8',
    ),
    'phenx/php-svg-lib' => 
    array (
      'pretty_version' => '0.3.4',
      'version' => '0.3.4.0',
      'aliases' => 
      array (
      ),
      'reference' => 'f627771eb854aa7f45f80add0f23c6c4d67ea0f2',
    ),
    'psr/log' => 
    array (
      'pretty_version' => '1.1.4',
      'version' => '1.1.4.0',
      'aliases' => 
      array (
      ),
      'reference' => 'd49695b909c3b7628b6289db5479a1c204601f11',
    ),
    'sabberworm/php-css-parser' => 
    array (
      'pretty_version' => '8.3.1',
      'version' => '8.3.1.0',
      'aliases' => 
      array (
      ),
      'reference' => 'd217848e1396ef962fb1997cf3e2421acba7f796',
    ),
  ),
);
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;
}
}
