Thomas Müller
11 years ago
parent
08f1db4451
commit
770f987659
@ -0,0 +1,210 @@ |
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<?php |
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namespace OC\App; |
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/** |
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* Class PlatformRepository |
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* |
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* Inspired by the composer project - licensed under MIT |
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* https://github.com/composer/composer/blob/master/src/Composer/Repository/PlatformRepository.php#L82 |
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* |
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* @package OC\App |
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*/ |
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class PlatformRepository { |
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public function __construct() { |
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$this->packages = $this->initialize(); |
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} |
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protected function initialize() { |
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$loadedExtensions = get_loaded_extensions(); |
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$packages = array(); |
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// Extensions scanning |
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foreach ($loadedExtensions as $name) { |
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if (in_array($name, array('standard', 'Core'))) { |
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continue; |
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} |
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$ext = new \ReflectionExtension($name); |
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try { |
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$prettyVersion = $ext->getVersion(); |
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} catch (\UnexpectedValueException $e) { |
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$prettyVersion = '0'; |
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} |
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try { |
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$prettyVersion = $this->normalizeVersion($prettyVersion); |
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} catch (\UnexpectedValueException $e) { |
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continue; |
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} |
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$packages[$this->buildPackageName($name)] = $prettyVersion; |
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} |
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foreach ($loadedExtensions as $name) { |
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$prettyVersion = null; |
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switch ($name) { |
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case 'curl': |
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$curlVersion = curl_version(); |
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$prettyVersion = $curlVersion['version']; |
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break; |
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case 'iconv': |
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$prettyVersion = ICONV_VERSION; |
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break; |
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case 'intl': |
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$name = 'ICU'; |
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if (defined('INTL_ICU_VERSION')) { |
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$prettyVersion = INTL_ICU_VERSION; |
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} else { |
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$reflector = new \ReflectionExtension('intl'); |
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ob_start(); |
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$reflector->info(); |
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$output = ob_get_clean(); |
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preg_match('/^ICU version => (.*)$/m', $output, $matches); |
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$prettyVersion = $matches[1]; |
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} |
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break; |
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case 'libxml': |
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$prettyVersion = LIBXML_DOTTED_VERSION; |
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break; |
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case 'openssl': |
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$prettyVersion = preg_replace_callback('{^(?:OpenSSL\s*)?([0-9.]+)([a-z]?).*}', function ($match) { |
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return $match[1] . (empty($match[2]) ? '' : '.' . (ord($match[2]) - 96)); |
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}, OPENSSL_VERSION_TEXT); |
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break; |
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case 'pcre': |
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$prettyVersion = preg_replace('{^(\S+).*}', '$1', PCRE_VERSION); |
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break; |
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case 'uuid': |
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$prettyVersion = phpversion('uuid'); |
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break; |
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case 'xsl': |
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$prettyVersion = LIBXSLT_DOTTED_VERSION; |
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break; |
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default: |
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// None handled extensions have no special cases, skip |
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continue 2; |
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} |
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try { |
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$prettyVersion = $this->normalizeVersion($prettyVersion); |
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} catch (\UnexpectedValueException $e) { |
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continue; |
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} |
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$packages[$this->buildPackageName($name)] = $prettyVersion; |
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} |
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return $packages; |
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} |
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private function buildPackageName($name) { |
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return str_replace(' ', '-', $name); |
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} |
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/** |
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* @param $name |
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* @return string |
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*/ |
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public function findLibrary($name) { |
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$extName = $this->buildPackageName($name); |
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if (isset($this->packages[$extName])) { |
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return $this->packages[$extName]; |
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} |
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return null; |
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} |
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private static $modifierRegex = '[._-]?(?:(stable|beta|b|RC|alpha|a|patch|pl|p)(?:[.-]?(\d+))?)?([.-]?dev)?'; |
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/** |
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* Normalizes a version string to be able to perform comparisons on it |
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* |
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* https://github.com/composer/composer/blob/master/src/Composer/Package/Version/VersionParser.php#L94 |
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* |
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* @param string $version |
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* @param string $fullVersion optional complete version string to give more context |
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* @throws \UnexpectedValueException |
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* @return string |
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*/ |
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public function normalizeVersion($version, $fullVersion = null) { |
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$version = trim($version); |
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if (null === $fullVersion) { |
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$fullVersion = $version; |
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} |
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// ignore aliases and just assume the alias is required instead of the source |
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if (preg_match('{^([^,\s]+) +as +([^,\s]+)$}', $version, $match)) { |
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$version = $match[1]; |
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} |
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// match master-like branches |
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if (preg_match('{^(?:dev-)?(?:master|trunk|default)$}i', $version)) { |
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return '9999999-dev'; |
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} |
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if ('dev-' === strtolower(substr($version, 0, 4))) { |
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return 'dev-' . substr($version, 4); |
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} |
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// match classical versioning |
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if (preg_match('{^v?(\d{1,3})(\.\d+)?(\.\d+)?(\.\d+)?' . self::$modifierRegex . '$}i', $version, $matches)) { |
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$version = $matches[1] |
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. (!empty($matches[2]) ? $matches[2] : '.0') |
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. (!empty($matches[3]) ? $matches[3] : '.0') |
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. (!empty($matches[4]) ? $matches[4] : '.0'); |
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$index = 5; |
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} elseif (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3})?)' . self::$modifierRegex . '$}i', $version, $matches)) { // match date-based versioning |
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$version = preg_replace('{\D}', '-', $matches[1]); |
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$index = 2; |
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} elseif (preg_match('{^v?(\d{4,})(\.\d+)?(\.\d+)?(\.\d+)?' . self::$modifierRegex . '$}i', $version, $matches)) { |
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$version = $matches[1] |
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. (!empty($matches[2]) ? $matches[2] : '.0') |
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. (!empty($matches[3]) ? $matches[3] : '.0') |
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. (!empty($matches[4]) ? $matches[4] : '.0'); |
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$index = 5; |
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} |
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// add version modifiers if a version was matched |
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if (isset($index)) { |
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if (!empty($matches[$index])) { |
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if ('stable' === $matches[$index]) { |
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return $version; |
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} |
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$version .= '-' . $this->expandStability($matches[$index]) . (!empty($matches[$index + 1]) ? $matches[$index + 1] : ''); |
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} |
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if (!empty($matches[$index + 2])) { |
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$version .= '-dev'; |
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} |
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return $version; |
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} |
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$extraMessage = ''; |
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if (preg_match('{ +as +' . preg_quote($version) . '$}', $fullVersion)) { |
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$extraMessage = ' in "' . $fullVersion . '", the alias must be an exact version'; |
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} elseif (preg_match('{^' . preg_quote($version) . ' +as +}', $fullVersion)) { |
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$extraMessage = ' in "' . $fullVersion . '", the alias source must be an exact version, if it is a branch name you should prefix it with dev-'; |
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} |
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throw new \UnexpectedValueException('Invalid version string "' . $version . '"' . $extraMessage); |
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} |
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private function expandStability($stability) { |
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$stability = strtolower($stability); |
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switch ($stability) { |
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case 'a': |
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return 'alpha'; |
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case 'b': |
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return 'beta'; |
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case 'p': |
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case 'pl': |
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return 'patch'; |
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case 'rc': |
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return 'RC'; |
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default: |
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return $stability; |
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} |
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} |
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} |
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