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EDIT :: tarball.php

<?php /** * File containing the ezcBaseMetaDataTarballReader class. * * @package Base * @version 1.8 * @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved. * @license http://ez.no/licenses/new_bsd New BSD License */ /** * Base class implements ways of fetching information about the installed * eZ Components when installed as tarball. * * @package Base * @version 1.8 * @mainclass */ class ezcBaseMetaDataTarballReader { /** * Contains the handler to the XML file containing the release information. * @var SimpleXmlElement */ private $xml; /** * Creates the reader object and opens the release-info file. */ public function __construct() { $filename = dirname( __FILE__ ) . '/../../../release-info.xml'; $this->xml = simplexml_load_file( $filename ); } /** * Returns the version string for the installed eZ Components bundle. * * A version string such as "2008.2.2" is returned. * * @return string */ public function getBundleVersion() { return (string) $this->xml->version; } /** * Returns a PHP version string that describes the required PHP version for * this installed eZ Components bundle. * * @return string */ public function getRequiredPhpVersion() { return (string) $this->xml->deps->php; } /** * Returns whether $componentName is installed * * Returns true for every component that exists (because all of them are * then available). * * @return bool */ public function isComponentInstalled( $componentName ) { $root = $this->xml->deps->packages->package; foreach ( $root as $package ) { if ( (string) $package['name'] == $componentName ) { return true; } } return false; } /** * Returns the version string of the available $componentName or false when * the component is not installed. * * @return string */ public function getComponentVersion( $componentName ) { $root = $this->xml->deps->packages->package; foreach ( $root as $package ) { if ( (string) $package['name'] == $componentName ) { return (string) $package['version']; } } return false; } /** * Returns a list of components that $componentName depends on. * * If $componentName is left empty, all installed components are returned. * * The returned array has as keys the component names, and as values the * version of the components. It returns null of the $componentName * is not found. * * @return array(string=>string). */ public function getComponentDependencies( $componentName = null ) { $baseVersion = false; $root = $this->xml->deps->packages; $found = $componentName === null ? true : false; // in case $componentName != null, we loop through all the components // in the file, and figure out the new root that we can list dependency // packages from. foreach ( $root->package as $package ) { if ( (string) $package['name'] == 'Base' ) { $baseVersion = $package['version']; } if ( !$found && (string) $package['name'] == $componentName ) { $root = $package->deps; $found = true; } } if ( !$found ) { return null; } // We always add the Base dependency even though it's not in the dependency file. $deps = array(); $deps['Base'] = (string) $baseVersion; if ( !isset( $root->package ) ) { return $deps; } foreach ( $root->package as $package ) { $deps[(string) $package['name']] = (string) $package['version']; } return $deps; } } ?>

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