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<?php/*** PEAR_Dependency2, advanced dependency validation** PHP versions 4 and 5** @category pear* @package PEAR* @author Greg Beaver <cellog@php.net>* @copyright 1997-2009 The Authors* @license http://opensource.org/licenses/bsd-license.php New BSD License* @link http://pear.php.net/package/PEAR* @since File available since Release 1.4.0a1*//*** Required for the PEAR_VALIDATE_* constants*/require_once 'PEAR/Validate.php';/*** Dependency check for PEAR packages** This class handles both version 1.0 and 2.0 dependencies* WARNING: *any* changes to this class must be duplicated in the* test_PEAR_Dependency2 class found in tests/PEAR_Dependency2/setup.php.inc,* or unit tests will not actually validate the changes* @category pear* @package PEAR* @author Greg Beaver <cellog@php.net>* @copyright 1997-2009 The Authors* @license http://opensource.org/licenses/bsd-license.php New BSD License* @version Release: 1.10.1* @link http://pear.php.net/package/PEAR* @since Class available since Release 1.4.0a1*/class PEAR_Dependency2{/*** One of the PEAR_VALIDATE_* states* @see PEAR_VALIDATE_NORMAL* @var integer*/var $_state;/*** Command-line options to install/upgrade/uninstall commands* @param array*/var $_options;/*** @var OS_Guess*/var $_os;/*** @var PEAR_Registry*/var $_registry;/*** @var PEAR_Config*/var $_config;/*** @var PEAR_DependencyDB*/var $_dependencydb;/*** Output of PEAR_Registry::parsedPackageName()* @var array*/var $_currentPackage;/*** @param PEAR_Config* @param array installation options* @param array format of PEAR_Registry::parsedPackageName()* @param int installation state (one of PEAR_VALIDATE_*)*/function __construct(&$config, $installoptions, $package,$state = PEAR_VALIDATE_INSTALLING){$this->_config = &$config;if (!class_exists('PEAR_DependencyDB')) {require_once 'PEAR/DependencyDB.php';}if (isset($installoptions['packagingroot'])) {// make sure depdb is in the right location$config->setInstallRoot($installoptions['packagingroot']);}$this->_registry = &$config->getRegistry();$this->_dependencydb = &PEAR_DependencyDB::singleton($config);if (isset($installoptions['packagingroot'])) {$config->setInstallRoot(false);}$this->_options = $installoptions;$this->_state = $state;if (!class_exists('OS_Guess')) {require_once 'OS/Guess.php';}$this->_os = new OS_Guess;$this->_currentPackage = $package;}function _getExtraString($dep){$extra = ' (';if (isset($dep['uri'])) {return '';}if (isset($dep['recommended'])) {$extra .= 'recommended version ' . $dep['recommended'];} else {if (isset($dep['min'])) {$extra .= 'version >= ' . $dep['min'];}if (isset($dep['max'])) {if ($extra != ' (') {$extra .= ', ';}$extra .= 'version <= ' . $dep['max'];}if (isset($dep['exclude'])) {if (!is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}if ($extra != ' (') {$extra .= ', ';}$extra .= 'excluded versions: ';foreach ($dep['exclude'] as $i => $exclude) {if ($i) {$extra .= ', ';}$extra .= $exclude;}}}$extra .= ')';if ($extra == ' ()') {$extra = '';}return $extra;}/*** This makes unit-testing a heck of a lot easier*/function getPHP_OS(){return PHP_OS;}/*** This makes unit-testing a heck of a lot easier*/function getsysname(){return $this->_os->getSysname();}/*** Specify a dependency on an OS. Use arch for detailed os/processor information** There are two generic OS dependencies that will be the most common, unix and windows.* Other options are linux, freebsd, darwin (OS X), sunos, irix, hpux, aix*/function validateOsDependency($dep){if ($this->_state != PEAR_VALIDATE_INSTALLING && $this->_state != PEAR_VALIDATE_DOWNLOADING) {return true;}if ($dep['name'] == '*') {return true;}$not = isset($dep['conflicts']) ? true : false;switch (strtolower($dep['name'])) {case 'windows' :if ($not) {if (strtolower(substr($this->getPHP_OS(), 0, 3)) == 'win') {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError("Cannot install %s on Windows");}return $this->warning("warning: Cannot install %s on Windows");}} else {if (strtolower(substr($this->getPHP_OS(), 0, 3)) != 'win') {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError("Can only install %s on Windows");}return $this->warning("warning: Can only install %s on Windows");}}break;case 'unix' :$unices = array('linux', 'freebsd', 'darwin', 'sunos', 'irix', 'hpux', 'aix');if ($not) {if (in_array($this->getSysname(), $unices)) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError("Cannot install %s on any Unix system");}return $this->warning( "warning: Cannot install %s on any Unix system");}} else {if (!in_array($this->getSysname(), $unices)) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError("Can only install %s on a Unix system");}return $this->warning("warning: Can only install %s on a Unix system");}}break;default :if ($not) {if (strtolower($dep['name']) == strtolower($this->getSysname())) {if (!isset($this->_options['nodeps']) &&!isset($this->_options['force'])) {return $this->raiseError('Cannot install %s on ' . $dep['name'] .' operating system');}return $this->warning('warning: Cannot install %s on ' .$dep['name'] . ' operating system');}} else {if (strtolower($dep['name']) != strtolower($this->getSysname())) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('Cannot install %s on ' .$this->getSysname() .' operating system, can only install on ' . $dep['name']);}return $this->warning('warning: Cannot install %s on ' .$this->getSysname() .' operating system, can only install on ' . $dep['name']);}}}return true;}/*** This makes unit-testing a heck of a lot easier*/function matchSignature($pattern){return $this->_os->matchSignature($pattern);}/*** Specify a complex dependency on an OS/processor/kernel version,* Use OS for simple operating system dependency.** This is the only dependency that accepts an eregable pattern. The pattern* will be matched against the php_uname() output parsed by OS_Guess*/function validateArchDependency($dep){if ($this->_state != PEAR_VALIDATE_INSTALLING) {return true;}$not = isset($dep['conflicts']) ? true : false;if (!$this->matchSignature($dep['pattern'])) {if (!$not) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s Architecture dependency failed, does not ' .'match "' . $dep['pattern'] . '"');}return $this->warning('warning: %s Architecture dependency failed, does ' .'not match "' . $dep['pattern'] . '"');}return true;}if ($not) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s Architecture dependency failed, required "' .$dep['pattern'] . '"');}return $this->warning('warning: %s Architecture dependency failed, ' .'required "' . $dep['pattern'] . '"');}return true;}/*** This makes unit-testing a heck of a lot easier*/function extension_loaded($name){return extension_loaded($name);}/*** This makes unit-testing a heck of a lot easier*/function phpversion($name = null){if ($name !== null) {return phpversion($name);}return phpversion();}function validateExtensionDependency($dep, $required = true){if ($this->_state != PEAR_VALIDATE_INSTALLING &&$this->_state != PEAR_VALIDATE_DOWNLOADING) {return true;}$loaded = $this->extension_loaded($dep['name']);$extra = $this->_getExtraString($dep);if (isset($dep['exclude'])) {if (!is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}}if (!isset($dep['min']) && !isset($dep['max']) &&!isset($dep['recommended']) && !isset($dep['exclude'])) {if ($loaded) {if (isset($dep['conflicts'])) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with PHP extension "' .$dep['name'] . '"' . $extra);}return $this->warning('warning: %s conflicts with PHP extension "' .$dep['name'] . '"' . $extra);}return true;}if (isset($dep['conflicts'])) {return true;}if ($required) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PHP extension "' .$dep['name'] . '"' . $extra);}return $this->warning('warning: %s requires PHP extension "' .$dep['name'] . '"' . $extra);}return $this->warning('%s can optionally use PHP extension "' .$dep['name'] . '"' . $extra);}if (!$loaded) {if (isset($dep['conflicts'])) {return true;}if (!$required) {return $this->warning('%s can optionally use PHP extension "' .$dep['name'] . '"' . $extra);}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PHP extension "' . $dep['name'] .'"' . $extra);}return $this->warning('warning: %s requires PHP extension "' . $dep['name'] .'"' . $extra);}$version = (string) $this->phpversion($dep['name']);if (empty($version)) {$version = '0';}$fail = false;if (isset($dep['min']) && !version_compare($version, $dep['min'], '>=')) {$fail = true;}if (isset($dep['max']) && !version_compare($version, $dep['max'], '<=')) {$fail = true;}if ($fail && !isset($dep['conflicts'])) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PHP extension "' . $dep['name'] .'"' . $extra . ', installed version is ' . $version);}return $this->warning('warning: %s requires PHP extension "' . $dep['name'] .'"' . $extra . ', installed version is ' . $version);} elseif ((isset($dep['min']) || isset($dep['max'])) && !$fail && isset($dep['conflicts'])) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with PHP extension "' .$dep['name'] . '"' . $extra . ', installed version is ' . $version);}return $this->warning('warning: %s conflicts with PHP extension "' .$dep['name'] . '"' . $extra . ', installed version is ' . $version);}if (isset($dep['exclude'])) {foreach ($dep['exclude'] as $exclude) {if (version_compare($version, $exclude, '==')) {if (isset($dep['conflicts'])) {continue;}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s is not compatible with PHP extension "' .$dep['name'] . '" version ' .$exclude);}return $this->warning('warning: %s is not compatible with PHP extension "' .$dep['name'] . '" version ' .$exclude);} elseif (version_compare($version, $exclude, '!=') && isset($dep['conflicts'])) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with PHP extension "' .$dep['name'] . '"' . $extra . ', installed version is ' . $version);}return $this->warning('warning: %s conflicts with PHP extension "' .$dep['name'] . '"' . $extra . ', installed version is ' . $version);}}}if (isset($dep['recommended'])) {if (version_compare($version, $dep['recommended'], '==')) {return true;}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s dependency: PHP extension ' . $dep['name'] .' version "' . $version . '"' .' is not the recommended version "' . $dep['recommended'] .'", but may be compatible, use --force to install');}return $this->warning('warning: %s dependency: PHP extension ' .$dep['name'] . ' version "' . $version . '"' .' is not the recommended version "' . $dep['recommended'].'"');}return true;}function validatePhpDependency($dep){if ($this->_state != PEAR_VALIDATE_INSTALLING &&$this->_state != PEAR_VALIDATE_DOWNLOADING) {return true;}$version = $this->phpversion();$extra = $this->_getExtraString($dep);if (isset($dep['exclude'])) {if (!is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}}if (isset($dep['min'])) {if (!version_compare($version, $dep['min'], '>=')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PHP' .$extra . ', installed version is ' . $version);}return $this->warning('warning: %s requires PHP' .$extra . ', installed version is ' . $version);}}if (isset($dep['max'])) {if (!version_compare($version, $dep['max'], '<=')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PHP' .$extra . ', installed version is ' . $version);}return $this->warning('warning: %s requires PHP' .$extra . ', installed version is ' . $version);}}if (isset($dep['exclude'])) {foreach ($dep['exclude'] as $exclude) {if (version_compare($version, $exclude, '==')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s is not compatible with PHP version ' .$exclude);}return $this->warning('warning: %s is not compatible with PHP version ' .$exclude);}}}return true;}/*** This makes unit-testing a heck of a lot easier*/function getPEARVersion(){return '1.10.1';}function validatePearinstallerDependency($dep){$pearversion = $this->getPEARVersion();$extra = $this->_getExtraString($dep);if (isset($dep['exclude'])) {if (!is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}}if (version_compare($pearversion, $dep['min'], '<')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PEAR Installer' . $extra .', installed version is ' . $pearversion);}return $this->warning('warning: %s requires PEAR Installer' . $extra .', installed version is ' . $pearversion);}if (isset($dep['max'])) {if (version_compare($pearversion, $dep['max'], '>')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires PEAR Installer' . $extra .', installed version is ' . $pearversion);}return $this->warning('warning: %s requires PEAR Installer' . $extra .', installed version is ' . $pearversion);}}if (isset($dep['exclude'])) {if (!isset($dep['exclude'][0])) {$dep['exclude'] = array($dep['exclude']);}foreach ($dep['exclude'] as $exclude) {if (version_compare($exclude, $pearversion, '==')) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s is not compatible with PEAR Installer ' .'version ' . $exclude);}return $this->warning('warning: %s is not compatible with PEAR ' .'Installer version ' . $exclude);}}}return true;}function validateSubpackageDependency($dep, $required, $params){return $this->validatePackageDependency($dep, $required, $params);}/*** @param array dependency information (2.0 format)* @param boolean whether this is a required dependency* @param array a list of downloaded packages to be installed, if any* @param boolean if true, then deps on pear.php.net that fail will also check* against pecl.php.net packages to accommodate extensions that have* moved to pecl.php.net from pear.php.net*/function validatePackageDependency($dep, $required, $params, $depv1 = false){if ($this->_state != PEAR_VALIDATE_INSTALLING &&$this->_state != PEAR_VALIDATE_DOWNLOADING) {return true;}if (isset($dep['providesextension'])) {if ($this->extension_loaded($dep['providesextension'])) {$save = $dep;$subdep = $dep;$subdep['name'] = $subdep['providesextension'];PEAR::pushErrorHandling(PEAR_ERROR_RETURN);$ret = $this->validateExtensionDependency($subdep, $required);PEAR::popErrorHandling();if (!PEAR::isError($ret)) {return true;}}}if ($this->_state == PEAR_VALIDATE_INSTALLING) {return $this->_validatePackageInstall($dep, $required, $depv1);}if ($this->_state == PEAR_VALIDATE_DOWNLOADING) {return $this->_validatePackageDownload($dep, $required, $params, $depv1);}}function _validatePackageDownload($dep, $required, $params, $depv1 = false){$dep['package'] = $dep['name'];if (isset($dep['uri'])) {$dep['channel'] = '__uri';}$depname = $this->_registry->parsedPackageNameToString($dep, true);$found = false;foreach ($params as $param) {if ($param->isEqual(array('package' => $dep['name'],'channel' => $dep['channel']))) {$found = true;break;}if ($depv1 && $dep['channel'] == 'pear.php.net') {if ($param->isEqual(array('package' => $dep['name'],'channel' => 'pecl.php.net'))) {$found = true;break;}}}if (!$found && isset($dep['providesextension'])) {foreach ($params as $param) {if ($param->isExtension($dep['providesextension'])) {$found = true;break;}}}if ($found) {$version = $param->getVersion();$installed = false;$downloaded = true;} else {if ($this->_registry->packageExists($dep['name'], $dep['channel'])) {$installed = true;$downloaded = false;$version = $this->_registry->packageinfo($dep['name'], 'version',$dep['channel']);} else {if ($dep['channel'] == 'pecl.php.net' && $this->_registry->packageExists($dep['name'],'pear.php.net')) {$installed = true;$downloaded = false;$version = $this->_registry->packageinfo($dep['name'], 'version','pear.php.net');} else {$version = 'not installed or downloaded';$installed = false;$downloaded = false;}}}$extra = $this->_getExtraString($dep);if (isset($dep['exclude']) && !is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}if (!isset($dep['min']) && !isset($dep['max']) &&!isset($dep['recommended']) && !isset($dep['exclude'])) {if ($installed || $downloaded) {$installed = $installed ? 'installed' : 'downloaded';if (isset($dep['conflicts'])) {$rest = '';if ($version) {$rest = ", $installed version is " . $version;}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with package "' . $depname . '"' . $extra . $rest);}return $this->warning('warning: %s conflicts with package "' . $depname . '"' . $extra . $rest);}return true;}if (isset($dep['conflicts'])) {return true;}if ($required) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires package "' . $depname . '"' . $extra);}return $this->warning('warning: %s requires package "' . $depname . '"' . $extra);}return $this->warning('%s can optionally use package "' . $depname . '"' . $extra);}if (!$installed && !$downloaded) {if (isset($dep['conflicts'])) {return true;}if ($required) {if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires package "' . $depname . '"' . $extra);}return $this->warning('warning: %s requires package "' . $depname . '"' . $extra);}return $this->warning('%s can optionally use package "' . $depname . '"' . $extra);}$fail = false;if (isset($dep['min']) && version_compare($version, $dep['min'], '<')) {$fail = true;}if (isset($dep['max']) && version_compare($version, $dep['max'], '>')) {$fail = true;}if ($fail && !isset($dep['conflicts'])) {$installed = $installed ? 'installed' : 'downloaded';$dep['package'] = $dep['name'];$dep = $this->_registry->parsedPackageNameToString($dep, true);if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s requires package "' . $depname . '"' .$extra . ", $installed version is " . $version);}return $this->warning('warning: %s requires package "' . $depname . '"' .$extra . ", $installed version is " . $version);} elseif ((isset($dep['min']) || isset($dep['max'])) && !$fail &&isset($dep['conflicts']) && !isset($dep['exclude'])) {$installed = $installed ? 'installed' : 'downloaded';if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with package "' . $depname . '"' . $extra .", $installed version is " . $version);}return $this->warning('warning: %s conflicts with package "' . $depname . '"' .$extra . ", $installed version is " . $version);}if (isset($dep['exclude'])) {$installed = $installed ? 'installed' : 'downloaded';foreach ($dep['exclude'] as $exclude) {if (version_compare($version, $exclude, '==') && !isset($dep['conflicts'])) {if (!isset($this->_options['nodeps']) &&!isset($this->_options['force'])) {return $this->raiseError('%s is not compatible with ' .$installed . ' package "' .$depname . '" version ' .$exclude);}return $this->warning('warning: %s is not compatible with ' .$installed . ' package "' .$depname . '" version ' .$exclude);} elseif (version_compare($version, $exclude, '!=') && isset($dep['conflicts'])) {$installed = $installed ? 'installed' : 'downloaded';if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('%s conflicts with package "' . $depname . '"' .$extra . ", $installed version is " . $version);}return $this->warning('warning: %s conflicts with package "' . $depname . '"' .$extra . ", $installed version is " . $version);}}}if (isset($dep['recommended'])) {$installed = $installed ? 'installed' : 'downloaded';if (version_compare($version, $dep['recommended'], '==')) {return true;}if (!$found && $installed) {$param = $this->_registry->getPackage($dep['name'], $dep['channel']);}if ($param) {$found = false;foreach ($params as $parent) {if ($parent->isEqual($this->_currentPackage)) {$found = true;break;}}if ($found) {if ($param->isCompatible($parent)) {return true;}} else { // this is for validPackage() calls$parent = $this->_registry->getPackage($this->_currentPackage['package'],$this->_currentPackage['channel']);if ($parent !== null && $param->isCompatible($parent)) {return true;}}}if (!isset($this->_options['nodeps']) && !isset($this->_options['force']) &&!isset($this->_options['loose'])) {return $this->raiseError('%s dependency package "' . $depname .'" ' . $installed . ' version ' . $version .' is not the recommended version ' . $dep['recommended'] .', but may be compatible, use --force to install');}return $this->warning('warning: %s dependency package "' . $depname .'" ' . $installed . ' version ' . $version .' is not the recommended version ' . $dep['recommended']);}return true;}function _validatePackageInstall($dep, $required, $depv1 = false){return $this->_validatePackageDownload($dep, $required, array(), $depv1);}/*** Verify that uninstalling packages passed in to command line is OK.** @param PEAR_Installer $dl* @return PEAR_Error|true*/function validatePackageUninstall(&$dl){if (PEAR::isError($this->_dependencydb)) {return $this->_dependencydb;}$params = array();// construct an array of "downloaded" packages to fool the package dependency checker// into using these to validate uninstalls of circular dependencies$downloaded = &$dl->getUninstallPackages();foreach ($downloaded as $i => $pf) {if (!class_exists('PEAR_Downloader_Package')) {require_once 'PEAR/Downloader/Package.php';}$dp = new PEAR_Downloader_Package($dl);$dp->setPackageFile($downloaded[$i]);$params[$i] = $dp;}// check cache$memyselfandI = strtolower($this->_currentPackage['channel']) . '/' .strtolower($this->_currentPackage['package']);if (isset($dl->___uninstall_package_cache)) {$badpackages = $dl->___uninstall_package_cache;if (isset($badpackages[$memyselfandI]['warnings'])) {foreach ($badpackages[$memyselfandI]['warnings'] as $warning) {$dl->log(0, $warning[0]);}}if (isset($badpackages[$memyselfandI]['errors'])) {foreach ($badpackages[$memyselfandI]['errors'] as $error) {if (is_array($error)) {$dl->log(0, $error[0]);} else {$dl->log(0, $error->getMessage());}}if (isset($this->_options['nodeps']) || isset($this->_options['force'])) {return $this->warning('warning: %s should not be uninstalled, other installed packages depend ' .'on this package');}return $this->raiseError('%s cannot be uninstalled, other installed packages depend on this package');}return true;}// first, list the immediate parents of each package to be uninstalled$perpackagelist = array();$allparents = array();foreach ($params as $i => $param) {$a = array('channel' => strtolower($param->getChannel()),'package' => strtolower($param->getPackage()));$deps = $this->_dependencydb->getDependentPackages($a);if ($deps) {foreach ($deps as $d) {$pardeps = $this->_dependencydb->getDependencies($d);foreach ($pardeps as $dep) {if (strtolower($dep['dep']['channel']) == $a['channel'] &&strtolower($dep['dep']['name']) == $a['package']) {if (!isset($perpackagelist[$a['channel'] . '/' . $a['package']])) {$perpackagelist[$a['channel'] . '/' . $a['package']] = array();}$perpackagelist[$a['channel'] . '/' . $a['package']][]= array($d['channel'] . '/' . $d['package'], $dep);if (!isset($allparents[$d['channel'] . '/' . $d['package']])) {$allparents[$d['channel'] . '/' . $d['package']] = array();}if (!isset($allparents[$d['channel'] . '/' . $d['package']][$a['channel'] . '/' . $a['package']])) {$allparents[$d['channel'] . '/' . $d['package']][$a['channel'] . '/' . $a['package']] = array();}$allparents[$d['channel'] . '/' . $d['package']][$a['channel'] . '/' . $a['package']][]= array($d, $dep);}}}}}// next, remove any packages from the parents list that are not installed$remove = array();foreach ($allparents as $parent => $d1) {foreach ($d1 as $d) {if ($this->_registry->packageExists($d[0][0]['package'], $d[0][0]['channel'])) {continue;}$remove[$parent] = true;}}// next remove any packages from the parents list that are not passed in for// uninstallationforeach ($allparents as $parent => $d1) {foreach ($d1 as $d) {foreach ($params as $param) {if (strtolower($param->getChannel()) == $d[0][0]['channel'] &&strtolower($param->getPackage()) == $d[0][0]['package']) {// found itcontinue 3;}}$remove[$parent] = true;}}// remove all packages whose dependencies fail// save which ones failed for error reporting$badchildren = array();do {$fail = false;foreach ($remove as $package => $unused) {if (!isset($allparents[$package])) {continue;}foreach ($allparents[$package] as $kid => $d1) {foreach ($d1 as $depinfo) {if ($depinfo[1]['type'] != 'optional') {if (isset($badchildren[$kid])) {continue;}$badchildren[$kid] = true;$remove[$kid] = true;$fail = true;continue 2;}}}if ($fail) {// start over, we removed some childrencontinue 2;}}} while ($fail);// next, construct the list of packages that can't be uninstalled$badpackages = array();$save = $this->_currentPackage;foreach ($perpackagelist as $package => $packagedeps) {foreach ($packagedeps as $parent) {if (!isset($remove[$parent[0]])) {continue;}$packagename = $this->_registry->parsePackageName($parent[0]);$packagename['channel'] = $this->_registry->channelAlias($packagename['channel']);$pa = $this->_registry->getPackage($packagename['package'], $packagename['channel']);$packagename['package'] = $pa->getPackage();$this->_currentPackage = $packagename;// parent is not present in uninstall list, make sure we can actually// uninstall it (parent dep is optional)$parentname['channel'] = $this->_registry->channelAlias($parent[1]['dep']['channel']);$pa = $this->_registry->getPackage($parent[1]['dep']['name'], $parent[1]['dep']['channel']);$parentname['package'] = $pa->getPackage();$parent[1]['dep']['package'] = $parentname['package'];$parent[1]['dep']['channel'] = $parentname['channel'];if ($parent[1]['type'] == 'optional') {$test = $this->_validatePackageUninstall($parent[1]['dep'], false, $dl);if ($test !== true) {$badpackages[$package]['warnings'][] = $test;}} else {$test = $this->_validatePackageUninstall($parent[1]['dep'], true, $dl);if ($test !== true) {$badpackages[$package]['errors'][] = $test;}}}}$this->_currentPackage = $save;$dl->___uninstall_package_cache = $badpackages;if (isset($badpackages[$memyselfandI])) {if (isset($badpackages[$memyselfandI]['warnings'])) {foreach ($badpackages[$memyselfandI]['warnings'] as $warning) {$dl->log(0, $warning[0]);}}if (isset($badpackages[$memyselfandI]['errors'])) {foreach ($badpackages[$memyselfandI]['errors'] as $error) {if (is_array($error)) {$dl->log(0, $error[0]);} else {$dl->log(0, $error->getMessage());}}if (isset($this->_options['nodeps']) || isset($this->_options['force'])) {return $this->warning('warning: %s should not be uninstalled, other installed packages depend ' .'on this package');}return $this->raiseError('%s cannot be uninstalled, other installed packages depend on this package');}}return true;}function _validatePackageUninstall($dep, $required, $dl){$depname = $this->_registry->parsedPackageNameToString($dep, true);$version = $this->_registry->packageinfo($dep['package'], 'version', $dep['channel']);if (!$version) {return true;}$extra = $this->_getExtraString($dep);if (isset($dep['exclude']) && !is_array($dep['exclude'])) {$dep['exclude'] = array($dep['exclude']);}if (isset($dep['conflicts'])) {return true; // uninstall OK - these packages conflict (probably installed with --force)}if (!isset($dep['min']) && !isset($dep['max'])) {if (!$required) {return $this->warning('"' . $depname . '" can be optionally used by ' .'installed package %s' . $extra);}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError('"' . $depname . '" is required by ' .'installed package %s' . $extra);}return $this->warning('warning: "' . $depname . '" is required by ' .'installed package %s' . $extra);}$fail = false;if (isset($dep['min']) && version_compare($version, $dep['min'], '>=')) {$fail = true;}if (isset($dep['max']) && version_compare($version, $dep['max'], '<=')) {$fail = true;}// we re-use this variable, preserve the original value$saverequired = $required;if (!$required) {return $this->warning($depname . $extra . ' can be optionally used by installed package' .' "%s"');}if (!isset($this->_options['nodeps']) && !isset($this->_options['force'])) {return $this->raiseError($depname . $extra . ' is required by installed package' .' "%s"');}return $this->raiseError('warning: ' . $depname . $extra .' is required by installed package "%s"');}/*** validate a downloaded package against installed packages** As of PEAR 1.4.3, this will only validate** @param array|PEAR_Downloader_Package|PEAR_PackageFile_v1|PEAR_PackageFile_v2* $pkg package identifier (either* array('package' => blah, 'channel' => blah) or an array with* index 'info' referencing an object)* @param PEAR_Downloader $dl* @param array $params full list of packages to install* @return true|PEAR_Error*/function validatePackage($pkg, &$dl, $params = array()){if (is_array($pkg) && isset($pkg['info'])) {$deps = $this->_dependencydb->getDependentPackageDependencies($pkg['info']);} else {$deps = $this->_dependencydb->getDependentPackageDependencies($pkg);}$fail = false;if ($deps) {if (!class_exists('PEAR_Downloader_Package')) {require_once 'PEAR/Downloader/Package.php';}$dp = new PEAR_Downloader_Package($dl);if (is_object($pkg)) {$dp->setPackageFile($pkg);} else {$dp->setDownloadURL($pkg);}PEAR::pushErrorHandling(PEAR_ERROR_RETURN);foreach ($deps as $channel => $info) {foreach ($info as $package => $ds) {foreach ($params as $packd) {if (strtolower($packd->getPackage()) == strtolower($package) &&$packd->getChannel() == $channel) {$dl->log(3, 'skipping installed package check of "' .$this->_registry->parsedPackageNameToString(array('channel' => $channel, 'package' => $package),true) .'", version "' . $packd->getVersion() . '" will be ' .'downloaded and installed');continue 2; // jump to next package}}foreach ($ds as $d) {$checker = new PEAR_Dependency2($this->_config, $this->_options,array('channel' => $channel, 'package' => $package), $this->_state);$dep = $d['dep'];$required = $d['type'] == 'required';$ret = $checker->_validatePackageDownload($dep, $required, array(&$dp));if (is_array($ret)) {$dl->log(0, $ret[0]);} elseif (PEAR::isError($ret)) {$dl->log(0, $ret->getMessage());$fail = true;}}}}PEAR::popErrorHandling();}if ($fail) {return $this->raiseError('%s cannot be installed, conflicts with installed packages');}return true;}/*** validate a package.xml 1.0 dependency*/function validateDependency1($dep, $params = array()){if (!isset($dep['optional'])) {$dep['optional'] = 'no';}list($newdep, $type) = $this->normalizeDep($dep);if (!$newdep) {return $this->raiseError("Invalid Dependency");}if (method_exists($this, "validate{$type}Dependency")) {return $this->{"validate{$type}Dependency"}($newdep, $dep['optional'] == 'no',$params, true);}}/*** Convert a 1.0 dep into a 2.0 dep*/function normalizeDep($dep){$types = array('pkg' => 'Package','ext' => 'Extension','os' => 'Os','php' => 'Php');if (!isset($types[$dep['type']])) {return array(false, false);}$type = $types[$dep['type']];$newdep = array();switch ($type) {case 'Package' :$newdep['channel'] = 'pear.php.net';case 'Extension' :case 'Os' :$newdep['name'] = $dep['name'];break;}$dep['rel'] = PEAR_Dependency2::signOperator($dep['rel']);switch ($dep['rel']) {case 'has' :return array($newdep, $type);break;case 'not' :$newdep['conflicts'] = true;break;case '>=' :case '>' :$newdep['min'] = $dep['version'];if ($dep['rel'] == '>') {$newdep['exclude'] = $dep['version'];}break;case '<=' :case '<' :$newdep['max'] = $dep['version'];if ($dep['rel'] == '<') {$newdep['exclude'] = $dep['version'];}break;case 'ne' :case '!=' :$newdep['min'] = '0';$newdep['max'] = '100000';$newdep['exclude'] = $dep['version'];break;case '==' :$newdep['min'] = $dep['version'];$newdep['max'] = $dep['version'];break;}if ($type == 'Php') {if (!isset($newdep['min'])) {$newdep['min'] = '4.4.0';}if (!isset($newdep['max'])) {$newdep['max'] = '6.0.0';}}return array($newdep, $type);}/*** Converts text comparing operators to them sign equivalents** Example: 'ge' to '>='** @access public* @param string Operator* @return string Sign equivalent*/function signOperator($operator){switch($operator) {case 'lt': return '<';case 'le': return '<=';case 'gt': return '>';case 'ge': return '>=';case 'eq': return '==';case 'ne': return '!=';default:return $operator;}}function raiseError($msg){if (isset($this->_options['ignore-errors'])) {return $this->warning($msg);}return PEAR::raiseError(sprintf($msg, $this->_registry->parsedPackageNameToString($this->_currentPackage, true)));}function warning($msg){return array(sprintf($msg, $this->_registry->parsedPackageNameToString($this->_currentPackage, true)));}}