v2.php

php-4.4.7学习linux时下载的源代码

<?php
/**
 * PEAR_PackageFile_v2, package.xml version 2.0
 *
 * PHP versions 4 and 5
 *
 * LICENSE: This source file is subject to version 3.0 of the PHP license
 * that is available through the world-wide-web at the following URI:
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
 * the PHP License and are unable to obtain it through the web, please
 * send a note to [e-mail] so we can mail you a copy immediately.
 *
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <[e-mail]>
 * @copyright  1997-2005 The PHP Group
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    CVS: $Id: v2.php,v 1.1.2.2 2006/05/22 10:19:33 cellog Exp $
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 1.4.0a1
 */
/**
 * For error handling
 */
require_once 'PEAR/ErrorStack.php';
/**
 * @category   pear
 * @package    PEAR
 * @author     Greg Beaver <[e-mail]>
 * @copyright  1997-2005 The PHP Group
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
 * @version    Release: @package_version@
 * @link       http://pear.php.net/package/PEAR
 * @since      Class available since Release 1.4.0a1
 */
class PEAR_PackageFile_v2
{

    /**
     * Parsed package information
     * @var array
     * @access private
     */
    var $_packageInfo = array();

    /**
     * path to package .tgz or false if this is a local/extracted package.xml
     * @var string|false
     * @access private
     */
    var $_archiveFile;

    /**
     * path to package .xml or false if this is an abstract parsed-from-string xml
     * @var string|false
     * @access private
     */
    var $_packageFile;

    /**
     * This is used by file analysis routines to log progress information
     * @var PEAR_Common
     * @access protected
     */
    var $_logger;

    /**
     * This is set to the highest validation level that has been validated
     *
     * If the package.xml is invalid or unknown, this is set to 0.  If
     * normal validation has occurred, this is set to PEAR_VALIDATE_NORMAL.  If
     * downloading/installation validation has occurred it is set to PEAR_VALIDATE_DOWNLOADING
     * or INSTALLING, and so on up to PEAR_VALIDATE_PACKAGING.  This allows validation
     * "caching" to occur, which is particularly important for package validation, so
     * that PHP files are not validated twice
     * @var int
     * @access private
     */
    var $_isValid = 0;

    /**
     * True if the filelist has been validated
     * @param bool
     */
    var $_filesValid = false;

    /**
     * @var PEAR_Registry
     * @access protected
     */
    var $_registry;

    /**
     * @var PEAR_Config
     * @access protected
     */
    var $_config;

    /**
     * Optional Dependency group requested for installation
     * @var string
     * @access private
     */
    var $_requestedGroup = false;

    /**
     * @var PEAR_ErrorStack
     * @access protected
     */
    var $_stack;

    /**
     * Namespace prefix used for tasks in this package.xml - use tasks: whenever possible
     */
    var $_tasksNs;

    /**
     * Determines whether this packagefile was initialized only with partial package info
     *
     * If this package file was constructed via parsing REST, it will only contain
     *
     * - package name
     * - channel name
     * - dependencies 
     * @var boolean
     * @access private
     */
    var $_incomplete = true;

    /**
     * @var PEAR_PackageFile_v2_Validator
     */
    var $_v2Validator;

    /**
     * The constructor merely sets up the private error stack
     */
    function PEAR_PackageFile_v2()
    {
        $this->_stack = new PEAR_ErrorStack('PEAR_PackageFile_v2', false, null);
        $this->_isValid = false;
    }

    /**
     * To make unit-testing easier
     * @param PEAR_Frontend_*
     * @param array options
     * @param PEAR_Config
     * @return PEAR_Downloader
     * @access protected
     */
    function &getPEARDownloader(&$i, $o, &$c)
    {
        $z = &new PEAR_Downloader($i, $o, $c);
        return $z;
    }

    /**
     * To make unit-testing easier
     * @param PEAR_Config
     * @param array options
     * @param array package name as returned from {@link PEAR_Registry::parsePackageName()}
     * @param int PEAR_VALIDATE_* constant
     * @return PEAR_Dependency2
     * @access protected
     */
    function &getPEARDependency2(&$c, $o, $p, $s = PEAR_VALIDATE_INSTALLING)
    {
        if (!class_exists('PEAR_Dependency2')) {
            require_once 'PEAR/Dependency2.php';
        }
        $z = &new PEAR_Dependency2($c, $o, $p, $s);
        return $z;
    }

    function getInstalledBinary()
    {
        return isset($this->_packageInfo['#binarypackage']) ? $this->_packageInfo['#binarypackage'] :
            false;
    }

    /**
     * Installation of source package has failed, attempt to download and install the
     * binary version of this package.
     * @param PEAR_Installer
     * @return array|false
     */
    function installBinary(&$installer)
    {
        if (!OS_WINDOWS) {
            $a = false;
            return $a;
        }
        if ($this->getPackageType() == 'extsrc') {
            if (!is_array($installer->getInstallPackages())) {
                $a = false;
                return $a;
            }
            foreach ($installer->getInstallPackages() as $p) {
                if ($p->isExtension($this->_packageInfo['providesextension'])) {
                    if ($p->getPackageType() != 'extsrc') {
                        $a = false;
                        return $a; // the user probably downloaded it separately
                    }
                }
            }
            if (isset($this->_packageInfo['extsrcrelease']['binarypackage'])) {
                $installer->log(0, 'Attempting to download binary version of extension "' .
                    $this->_packageInfo['providesextension'] . '"');
                $params = $this->_packageInfo['extsrcrelease']['binarypackage'];
                if (!is_array($params) || !isset($params[0])) {
                    $params = array($params);
                }
                if (isset($this->_packageInfo['channel'])) {
                    foreach ($params as $i => $param) {
                        $params[$i] = array('channel' => $this->_packageInfo['channel'],
                            'package' => $param, 'version' => $this->getVersion());
                    }
                }
                $dl = &$this->getPEARDownloader($installer->ui, $installer->getOptions(),
                    $installer->config);
                $verbose = $dl->config->get('verbose');
                $dl->config->set('verbose', -1);
                foreach ($params as $param) {
                    PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
                    $ret = $dl->download(array($param));
                    PEAR::popErrorHandling();
                    if (is_array($ret) && count($ret)) {
                        break;
                    }
                }
                $dl->config->set('verbose', $verbose);
                if (is_array($ret)) {
                    if (count($ret) == 1) {
                        $pf = $ret[0]->getPackageFile();
                        PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
                        $err = $installer->install($ret[0]);
                        PEAR::popErrorHandling();
                        if (is_array($err)) {
                            $this->_packageInfo['#binarypackage'] = $ret[0]->getPackage();
                            // "install" self, so all dependencies will work transparently
                            $this->_registry->addPackage2($this);
                            $installer->log(0, 'Download and install of binary extension "' .
                                $this->_registry->parsedPackageNameToString(
                                    array('channel' => $pf->getChannel(),
                                          'package' => $pf->getPackage()), true) . '" successful');
                            $a = array($ret[0], $err);
                            return $a;
                        }
                        $installer->log(0, 'Download and install of binary extension "' .
                            $this->_registry->parsedPackageNameToString(
                                    array('channel' => $pf->getChannel(),
                                          'package' => $pf->getPackage()), true) . '" failed');
                    }
                }
            }
        }
        $a = false;
        return $a;
    }

    /**
     * @return string|false Extension name
     */
    function getProvidesExtension()
    {
        if (in_array($this->getPackageType(), array('extsrc', 'extbin'))) {
            if (isset($this->_packageInfo['providesextension'])) {
                return $this->_packageInfo['providesextension'];
            }
        }
        return false;
    }

    /**
     * @param string Extension name
     * @return bool
     */
    function isExtension($extension)
    {
        if (in_array($this->getPackageType(), array('extsrc', 'extbin'))) {
            return $this->_packageInfo['providesextension'] == $extension;
        }
        return false;
    }

    /**
     * Tests whether every part of the package.xml 1.0 is represented in
     * this package.xml 2.0
     * @param PEAR_PackageFile_v1
     * @return bool
     */
    function isEquivalent($pf1)
    {
        if (!$pf1) {
            return true;
        }
        if ($this->getPackageType() == 'bundle') {
            return false;
        }
        $this->_stack->getErrors(true);
        if (!$pf1->validate(PEAR_VALIDATE_NORMAL)) {
            return false;
        }
        $pass = true;
        if ($pf1->getPackage() != $this->getPackage()) {
            $this->_differentPackage($pf1->getPackage());
            $pass = false;
        }
        if ($pf1->getVersion() != $this->getVersion()) {
            $this->_differentVersion($pf1->getVersion());
            $pass = false;
        }
        if (trim($pf1->getSummary()) != $this->getSummary()) {
            $this->_differentSummary($pf1->getSummary());
            $pass = false;
        }
        if (preg_replace('/\s+/', '', $pf1->getDescription()) !=
              preg_replace('/\s+/', '', $this->getDescription())) {
            $this->_differentDescription($pf1->getDescription());
            $pass = false;
        }
        if ($pf1->getState() != $this->getState()) {
            $this->_differentState($pf1->getState());
            $pass = false;
        }
        if (!strstr(preg_replace('/\s+/', '', $this->getNotes()),
              preg_replace('/\s+/', '', $pf1->getNotes()))) {
            $this->_differentNotes($pf1->getNotes());
            $pass = false;
        }
        $mymaintainers = $this->getMaintainers();
        $yourmaintainers = $pf1->getMaintainers();
        for ($i1 = 0; $i1 < count($yourmaintainers); $i1++) {
            $reset = false;
            for ($i2 = 0; $i2 < count($mymaintainers); $i2++) {
                if ($mymaintainers[$i2]['handle'] == $yourmaintainers[$i1]['handle']) {
                    if ($mymaintainers[$i2]['role'] != $yourmaintainers[$i1]['role']) {
                        $this->_differentRole($mymaintainers[$i2]['handle'],
                            $yourmaintainers[$i1]['role'], $mymaintainers[$i2]['role']);
                        $pass = false;
                    }
                    if ($mymaintainers[$i2]['email'] != $yourmaintainers[$i1]['email']) {
                        $this->_differentEmail($mymaintainers[$i2]['handle'],
                            $yourmaintainers[$i1]['email'], $mymaintainers[$i2]['email']);
                        $pass = false;
                    }
                    if ($mymaintainers[$i2]['name'] != $yourmaintainers[$i1]['name']) {
                        $this->_differentName($mymaintainers[$i2]['handle'],
                            $yourmaintainers[$i1]['name'], $mymaintainers[$i2]['name']);
                        $pass = false;
                    }
                    unset($mymaintainers[$i2]);
                    $mymaintainers = array_values($mymaintainers);
                    unset($yourmaintainers[$i1]);
                    $yourmaintainers = array_values($yourmaintainers);
                    $reset = true;
                    break;
                }
            }
            if ($reset) {
                $i1 = -1;
            }
        }
        $this->_unmatchedMaintainers($mymaintainers, $yourmaintainers);
        $filelist = $this->getFilelist();
        foreach ($pf1->getFilelist() as $file => $atts) {
            if (!isset($filelist[$file])) {
                $this->_missingFile($file);
                $pass = false;
            }
        }
        return $pass;
    }

    function _differentPackage($package)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('package' => $package,
            'self' => $this->getPackage()),
            'package.xml 1.0 package "%package%" does not match "%self%"');
    }

    function _differentVersion($version)
    {
        $this->_stack->push(__FUNCTION__, 'error', array('version' => $version,