<?php











namespace Composer;

use Composer\Semver\VersionParser;






class InstalledVersions
{
private static $installed = array (
  'root' => 
  array (
    'pretty_version' => 'dev-master',
    'version' => 'dev-master',
    'aliases' => 
    array (
    ),
    'reference' => '96dea43300ddcfcfc20cb23402a8069e9a30d5eb',
    'name' => '__root__',
  ),
  'versions' => 
  array (
    '__root__' => 
    array (
      'pretty_version' => 'dev-master',
      'version' => 'dev-master',
      'aliases' => 
      array (
      ),
      'reference' => '96dea43300ddcfcfc20cb23402a8069e9a30d5eb',
    ),
    'guzzlehttp/guzzle' => 
    array (
      'pretty_version' => '6.3.3',
      'version' => '6.3.3.0',
      'aliases' => 
      array (
      ),
      'reference' => '407b0cb880ace85c9b63c5f9551db498cb2d50ba',
    ),
    'guzzlehttp/promises' => 
    array (
      'pretty_version' => 'v1.3.1',
      'version' => '1.3.1.0',
      'aliases' => 
      array (
      ),
      'reference' => 'a59da6cf61d80060647ff4d3eb2c03a2bc694646',
    ),
    'guzzlehttp/psr7' => 
    array (
      'pretty_version' => '1.8.5',
      'version' => '1.8.5.0',
      'aliases' => 
      array (
      ),
      'reference' => '337e3ad8e5716c15f9657bd214d16cc5e69df268',
    ),
    'psr/http-message' => 
    array (
      'pretty_version' => '1.0.1',
      'version' => '1.0.1.0',
      'aliases' => 
      array (
      ),
      'reference' => 'f6561bf28d520154e4b0ec72be95418abe6d9363',
    ),
    'psr/http-message-implementation' => 
    array (
      'provided' => 
      array (
        0 => '1.0',
      ),
    ),
    'ralouphie/getallheaders' => 
    array (
      'pretty_version' => '3.0.3',
      'version' => '3.0.3.0',
      'aliases' => 
      array (
      ),
      'reference' => '120b605dfeb996808c31b6477290a714d356e822',
    ),
  ),
);







public static function getInstalledPackages()
{
return array_keys(self::$installed['versions']);
}









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














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($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

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

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





public static function getVersion($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

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

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





public static function getPrettyVersion($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

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

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





public static function getReference($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

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

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





public static function getRootPackage()
{
return self::$installed['root'];
}







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



















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