rw.php

php-4.4.7学习linux时下载的源代码

<?php
/**
 * PEAR_PackageFile_v2, package.xml version 2.0, read/write version
 *
 * 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: rw.php,v 1.1.2.2 2006/05/22 10:19:34 cellog Exp $
 * @link       http://pear.php.net/package/PEAR
 * @since      File available since Release 1.4.0a8
 */
/**
 * For base class
 */
require_once 'PEAR/PackageFile/v2.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 1.4.0a8
 */
class PEAR_PackageFile_v2_rw extends PEAR_PackageFile_v2
{
    /**
     * @param string Extension name
     * @return bool success of operation
     */
    function setProvidesExtension($extension)
    {
        if (in_array($this->getPackageType(), array('extsrc', 'extbin'))) {
            if (!isset($this->_packageInfo['providesextension'])) {
                // ensure that the channel tag is set up in the right location
                $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                    array('usesrole', 'usestask', 'srcpackage', 'srcuri', 'phprelease',
                    'extsrcrelease', 'extbinrelease', 'bundle', 'changelog'),
                    $extension, 'providesextension');
            }
            $this->_packageInfo['providesextension'] = $extension;
            return true;
        }
        return false;
    }

    function setPackage($package)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['attribs'])) {
            $this->_packageInfo = array_merge(array('attribs' => array(
                                 'version' => '2.0',
                                 'xmlns' => 'http://pear.php.net/dtd/package-2.0',
                                 'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
                                 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
                                 'xsi:schemaLocation' => 'http://pear.php.net/dtd/tasks-1.0
    http://pear.php.net/dtd/tasks-1.0.xsd
    http://pear.php.net/dtd/package-2.0
    http://pear.php.net/dtd/package-2.0.xsd',
                             )), $this->_packageInfo);
        }
        if (!isset($this->_packageInfo['name'])) {
            return $this->_packageInfo = array_merge(array('name' => $package),
                $this->_packageInfo);
        }
        $this->_packageInfo['name'] = $package;
    }

    function setUri($uri)
    {
        unset($this->_packageInfo['channel']);
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['uri'])) {
            // ensure that the uri tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, 
                array('extends', 'summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $uri, 'uri');
        }
        $this->_packageInfo['uri'] = $uri;
    }

    function setChannel($channel)
    {
        unset($this->_packageInfo['uri']);
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['channel'])) {
            // ensure that the channel tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('extends', 'summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $channel, 'channel');
        }
        $this->_packageInfo['channel'] = $channel;
    }

    function setExtends($extends)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['extends'])) {
            // ensure that the extends tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('summary', 'description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $extends, 'extends');
        }
        $this->_packageInfo['extends'] = $extends;
    }

    function setSummary($summary)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['summary'])) {
            // ensure that the summary tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('description', 'lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $summary, 'summary');
        }
        $this->_packageInfo['summary'] = $summary;
    }

    function setDescription($desc)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['description'])) {
            // ensure that the description tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('lead',
                'developer', 'contributor', 'helper', 'date', 'time', 'version',
                'stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $desc, 'description');
        }
        $this->_packageInfo['description'] = $desc;
    }

    /**
     * Adds a new maintainer - no checking of duplicates is performed, use
     * updatemaintainer for that purpose.
     */
    function addMaintainer($role, $handle, $name, $email, $active = 'yes')
    {
        if (!in_array($role, array('lead', 'developer', 'contributor', 'helper'))) {
            return false;
        }
        if (isset($this->_packageInfo[$role])) {
            if (!isset($this->_packageInfo[$role][0])) {
                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
            }
            $this->_packageInfo[$role][] =
                array(
                    'name' => $name,
                    'user' => $handle,
                    'email' => $email,
                    'active' => $active,
                );
        } else {
            $testarr = array('lead',
                    'developer', 'contributor', 'helper', 'date', 'time', 'version',
                    'stability', 'license', 'notes', 'contents', 'compatible',
                    'dependencies', 'providesextension', 'usesrole', 'usestask',
                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
                    'extbinrelease', 'bundle', 'changelog');
            foreach (array('lead', 'developer', 'contributor', 'helper') as $testrole) {
                array_shift($testarr);
                if ($role == $testrole) {
                    break;
                }
            }
            if (!isset($this->_packageInfo[$role])) {
                // ensure that the extends tag is set up in the right location
                $this->_packageInfo = $this->_insertBefore($this->_packageInfo, $testarr,
                    array(), $role);
            }
            $this->_packageInfo[$role] =
                array(
                    'name' => $name,
                    'user' => $handle,
                    'email' => $email,
                    'active' => $active,
                );
        }
        $this->_isValid = 0;
    }

    function updateMaintainer($newrole, $handle, $name, $email, $active = 'yes')
    {
        $found = false;
        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
            if (!isset($this->_packageInfo[$role])) {
                continue;
            }
            $info = $this->_packageInfo[$role];
            if (!isset($info[0])) {
                if ($info['user'] == $handle) {
                    $found = true;
                    break;
                }
            }
            foreach ($info as $i => $maintainer) {
                if ($maintainer['user'] == $handle) {
                    $found = $i;
                    break 2;
                }
            }
        }
        if ($found === false) {
            return $this->addMaintainer($newrole, $handle, $name, $email, $active);
        }
        if ($found !== false) {
            if ($found === true) {
                unset($this->_packageInfo[$role]);
            } else {
                unset($this->_packageInfo[$role][$found]);
                $this->_packageInfo[$role] = array_values($this->_packageInfo[$role]);
            }
        }
        $this->addMaintainer($newrole, $handle, $name, $email, $active);
        $this->_isValid = 0;
    }

    function deleteMaintainer($handle)
    {
        $found = false;
        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
            if (!isset($this->_packageInfo[$role])) {
                continue;
            }
            if (!isset($this->_packageInfo[$role][0])) {
                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
            }
            foreach ($this->_packageInfo[$role] as $i => $maintainer) {
                if ($maintainer['user'] == $handle) {
                    $found = $i;
                    break;
                }
            }
            if ($found !== false) {
                unset($this->_packageInfo[$role][$found]);
                if (!count($this->_packageInfo[$role]) && $role == 'lead') {
                    $this->_isValid = 0;
                }
                if (!count($this->_packageInfo[$role])) {
                    unset($this->_packageInfo[$role]);
                    return true;
                }
                $this->_packageInfo[$role] =
                    array_values($this->_packageInfo[$role]);
                if (count($this->_packageInfo[$role]) == 1) {
                    $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
                }
                return true;
            }
            if (count($this->_packageInfo[$role]) == 1) {
                $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
            }
        }
        return false;
    }

    function setReleaseVersion($version)
    {
        if (isset($this->_packageInfo['version']) &&
              isset($this->_packageInfo['version']['release'])) {
            unset($this->_packageInfo['version']['release']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'release' => array('api')));
        $this->_isValid = 0;
    }

    function setAPIVersion($version)
    {
        if (isset($this->_packageInfo['version']) &&
              isset($this->_packageInfo['version']['api'])) {
            unset($this->_packageInfo['version']['api']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'api' => array()));
        $this->_isValid = 0;
    }

    /**
     * snapshot|devel|alpha|beta|stable
     */
    function setReleaseStability($state)
    {
        if (isset($this->_packageInfo['stability']) &&
              isset($this->_packageInfo['stability']['release'])) {
            unset($this->_packageInfo['stability']['release']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
            'stability' => array('license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'release' => array('api')));
        $this->_isValid = 0;
    }

    /**
     * @param devel|alpha|beta|stable
     */
    function setAPIStability($state)
    {
        if (isset($this->_packageInfo['stability']) &&
              isset($this->_packageInfo['stability']['api'])) {
            unset($this->_packageInfo['stability']['api']);
        }
        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
            'stability' => array('license', 'notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'),
            'api' => array()));
        $this->_isValid = 0;
    }

    function setLicense($license, $uri = false, $filesource = false)
    {
        if (!isset($this->_packageInfo['license'])) {
            // ensure that the license tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('notes', 'contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), 0, 'license');
        }
        if ($uri || $filesource) {
            $attribs = array();
            if ($uri) {
                $attribs['uri'] = $uri;
            }
            $uri = true; // for test below
            if ($filesource) {
                $attribs['filesource'] = $filesource;
            }
        }
        $license = $uri ? array('attribs' => $attribs, '_content' => $license) : $license;
        $this->_packageInfo['license'] = $license;
        $this->_isValid = 0;
    }

    function setNotes($notes)
    {
        $this->_isValid = 0;
        if (!isset($this->_packageInfo['notes'])) {
            // ensure that the notes tag is set up in the right location
            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
                array('contents', 'compatible',
                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
                'phprelease', 'extsrcrelease',
                'extbinrelease', 'bundle', 'changelog'), $notes, 'notes');
        }
        $this->_packageInfo['notes'] = $notes;
    }