registry.php

php-4.4.7学习linux时下载的源代码

            return false;
        }
        $fp = $this->_openPackageFile($package, 'w');
        if ($fp === null) {
            return false;
        }
        if (is_object($info)) {
            $info = $info->toArray();
        }
        $info['_lastmodified'] = time();
        $newinfo = $info;
        if ($merge) {
            $info = array_merge($oldinfo, $info);
        } else {
            $diff = $info;
        }
        fwrite($fp, serialize($info));
        $this->_closePackageFile($fp);
        if (isset($newinfo['filelist'])) {
            $this->_rebuildFileMap();
        }
        return true;
    }

    /**
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
     * @return bool
     * @access private
     */
    function _updatePackage2($info)
    {
        if (!$this->_packageExists($info->getPackage(), $info->getChannel())) {
            return false;
        }
        $fp = $this->_openPackageFile($info->getPackage(), 'w', $info->getChannel());
        if ($fp === null) {
            return false;
        }
        $save = $info;
        $info = $save->getArray(true);
        $info['_lastmodified'] = time();
        fwrite($fp, serialize($info));
        $this->_closePackageFile($fp);
        $this->_rebuildFileMap();
        return true;
    }

    /**
     * @param string Package name
     * @param string Channel name
     * @return PEAR_PackageFile_v1|PEAR_PackageFile_v2|null
     * @access private
     */
    function &_getPackage($package, $channel = 'pear.php.net')
    {
        $info = $this->_packageInfo($package, null, $channel);
        if ($info === null) {
            return $info;
        }
        $a = $this->_config;
        if (!$a) {
            $this->_config = &new PEAR_Config;
            $this->_config->set('php_dir', $this->statedir);
        }
        if (!class_exists('PEAR_PackageFile')) {
            require_once 'PEAR/PackageFile.php';
        }
        $pkg = &new PEAR_PackageFile($this->_config);
        $pf = &$pkg->fromArray($info);
        return $pf;
    }

    /**
     * @param string channel name
     * @param bool whether to strictly retrieve channel names
     * @return PEAR_ChannelFile|PEAR_Error
     * @access private
     */
    function &_getChannel($channel, $noaliases = false)
    {
        $ch = false;
        if ($this->_channelExists($channel, $noaliases)) {
            $chinfo = $this->_channelInfo($channel, $noaliases);
            if ($chinfo) {
                if (!class_exists('PEAR_ChannelFile')) {
                    require_once 'PEAR/ChannelFile.php';
                }
                $ch = &PEAR_ChannelFile::fromArrayWithErrors($chinfo);
            }
        }
        if ($ch) {
            if ($ch->validate()) {
                return $ch;
            }
            foreach ($ch->getErrors(true) as $err) {
                $message = $err['message'] . "\n";
            }
            $ch = PEAR::raiseError($message);
            return $ch;
        }
        if ($this->_getChannelFromAlias($channel) == 'pear.php.net') {
            // the registry is not properly set up, so use defaults
            if (!class_exists('PEAR_ChannelFile')) {
                require_once 'PEAR/ChannelFile.php';
            }
            $pear_channel = new PEAR_ChannelFile;
            $pear_channel->setName('pear.php.net');
            $pear_channel->setAlias('pear');
            $pear_channel->setSummary('PHP Extension and Application Repository');
            $pear_channel->setDefaultPEARProtocols();
            $pear_channel->setBaseURL('REST1.0', 'http://pear.php.net/rest/');
            $pear_channel->setBaseURL('REST1.1', 'http://pear.php.net/rest/');
            return $pear_channel;
        }
        if ($this->_getChannelFromAlias($channel) == 'pecl.php.net') {
            // the registry is not properly set up, so use defaults
            if (!class_exists('PEAR_ChannelFile')) {
                require_once 'PEAR/ChannelFile.php';
            }
            $pear_channel = new PEAR_ChannelFile;
            $pear_channel->setName('pecl.php.net');
            $pear_channel->setAlias('pecl');
            $pear_channel->setSummary('PHP Extension Community Library');
            $pear_channel->setDefaultPEARProtocols();
            $pear_channel->setBaseURL('REST1.0', 'http://pecl.php.net/rest/');
            $pear_channel->setBaseURL('REST1.1', 'http://pecl.php.net/rest/');
            $pear_channel->setValidationPackage('PEAR_Validator_PECL', '1.0');
            return $pear_channel;
        }
        if ($this->_getChannelFromAlias($channel) == '__uri') {
            // the registry is not properly set up, so use defaults
            if (!class_exists('PEAR_ChannelFile')) {
                require_once 'PEAR/ChannelFile.php';
            }
            $private = new PEAR_ChannelFile;
            $private->setName('__uri');
            $private->addFunction('xmlrpc', '1.0', '****');
            $private->setSummary('Pseudo-channel for static packages');
            return $private;
        }
        return $ch;
    }

    // {{{ packageExists()

    /**
     * @param string Package name
     * @param string Channel name
     * @return bool
     */
    function packageExists($package, $channel = 'pear.php.net')
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_packageExists($package, $channel);
        $this->_unlock();
        return $ret;
    }

    // }}}

    // {{{ channelExists()

    /**
     * @param string channel name
     * @param bool if true, then aliases will be ignored
     * @return bool
     */
    function channelExists($channel, $noaliases = false)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_channelExists($channel, $noaliases);
        $this->_unlock();
        return $ret;
    }

    // }}}

    // {{{ isAlias()

    /**
     * Determines whether the parameter is an alias of a channel
     * @param string
     * @return bool
     */
    function isAlias($alias)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_isChannelAlias($alias);
        $this->_unlock();
        return $ret;
    }

    // }}}
    // {{{ packageInfo()

    /**
     * @param string|null
     * @param string|null
     * @param string
     * @return array|null
     */
    function packageInfo($package = null, $key = null, $channel = 'pear.php.net')
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_packageInfo($package, $key, $channel);
        $this->_unlock();
        return $ret;
    }

    // }}}
    // {{{ channelInfo()

    /**
     * Retrieve a raw array of channel data.
     *
     * Do not use this, instead use {@link getChannel()} for normal
     * operations.  Array structure is undefined in this method
     * @param string channel name
     * @param bool whether to strictly retrieve information only on non-aliases
     * @return array|null|PEAR_Error
     */
    function channelInfo($channel = null, $noaliases = false)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_channelInfo($channel, $noaliases);
        $this->_unlock();
        return $ret;
    }

    // }}}

    /**
     * @param string
     */
    function channelName($channel)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_getChannelFromAlias($channel);
        $this->_unlock();
        return $ret;
    }

    /**
     * @param string
     */
    function channelAlias($channel)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_getAlias($channel);
        $this->_unlock();
        return $ret;
    }
    // {{{ listPackages()

    function listPackages($channel = false)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_listPackages($channel);
        $this->_unlock();
        return $ret;
    }

    // }}}
    // {{{ listAllPackages()

    function listAllPackages()
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_listAllPackages();
        $this->_unlock();
        return $ret;
    }

    // }}}
    // {{{ listChannel()

    function listChannels()
    {
        if (PEAR::isError($e = $this->_lock(LOCK_SH))) {
            return $e;
        }
        $ret = $this->_listChannels();
        $this->_unlock();
        return $ret;
    }

    // }}}
    // {{{ addPackage()

    /**
     * Add an installed package to the registry
     * @param string|PEAR_PackageFile_v1|PEAR_PackageFile_v2 package name or object
     *               that will be passed to {@link addPackage2()}
     * @param array package info (parsed by PEAR_Common::infoFrom*() methods)
     * @return bool success of saving
     */
    function addPackage($package, $info)
    {
        if (is_object($info)) {
            return $this->addPackage2($info);
        }
        if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
            return $e;
        }
        $ret = $this->_addPackage($package, $info);
        $this->_unlock();
        if ($ret) {
            if (!class_exists('PEAR_PackageFile_v1')) {
                require_once 'PEAR/PackageFile/v1.php';
            }
            $pf = new PEAR_PackageFile_v1;
            $pf->setConfig($this->_config);
            $pf->fromArray($info);
            $this->_dependencyDB->uninstallPackage($pf);
            $this->_dependencyDB->installPackage($pf);
        }
        return $ret;
    }

    // }}}
    // {{{ addPackage2()

    function addPackage2($info)
    {
        if (!is_object($info)) {
            return $this->addPackage($info['package'], $info);
        }
        if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
            return $e;
        }
        $ret = $this->_addPackage2($info);
        $this->_unlock();
        if ($ret) {
            $this->_dependencyDB->uninstallPackage($info);
            $this->_dependencyDB->installPackage($info);
        }
        return $ret;
    }

    // }}}
    // {{{ updateChannel()

    /**
     * For future expandibility purposes, separate this
     * @param PEAR_ChannelFile
     */
    function updateChannel($channel, $lastmodified = null)
    {
        if ($channel->getName() == '__uri') {
            return false;
        }
        return $this->addChannel($channel, $lastmodified, true);
    }

    // }}}
    // {{{ deleteChannel()

    /**
     * Deletion fails if there are any packages installed from the channel
     * @param string|PEAR_ChannelFile channel name
     * @return boolean|PEAR_Error True on deletion, false if it doesn't exist
     */
    function deleteChannel($channel)
    {
        if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
            return $e;
        }
        $ret = $this->_deleteChannel($channel);
        $this->_unlock();
        if ($ret && is_a($this->_config, 'PEAR_Config')) {
            $this->_config->setChannels($this->listChannels());
        }
        return $ret;
    }

    // }}}
    // {{{ addChannel()

    /**
     * @param PEAR_ChannelFile Channel object
     * @param string Last-Modified header from HTTP for caching
     * @return boolean|PEAR_Error True on creation, false if it already exists
     */
    function addChannel($channel, $lastmodified = false, $update = false)
    {
        if (!is_a($channel, 'PEAR_ChannelFile')) {
            return false;
        }
        if (!$channel->validate()) {