home *** CD-ROM | disk | FTP | other *** search
- <?php
- //
- // +----------------------------------------------------------------------+
- // | PHP version 4.0 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997-2001 The PHP Group |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 2.02 of the PHP license, |
- // | that is bundled with this package in the file LICENSE, and is |
- // | available at through the world-wide-web at |
- // | http://www.php.net/license/2_02.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- // | Authors: Stig Bakken <ssb@fast.no> |
- // | |
- // +----------------------------------------------------------------------+
- //
- // $Id: Registry.php,v 1.9.2.1 2001/11/13 01:26:49 ssb Exp $
-
- require_once "System.php";
-
- /**
- * Administration class used to maintain the installed package database.
- */
- class PEAR_Registry
- {
- // {{{ properties
-
- var $statedir;
-
- // }}}
-
- // {{{ PEAR_Registry
-
- function PEAR_Registry()
- {
- $this->statedir = PEAR_INSTALL_DIR . "/.registry";
- }
-
- // }}}
-
- // {{{ _assertStateDir()
-
- function _assertStateDir()
- {
- if (!@is_dir($this->statedir)) {
- System::mkdir("-p {$this->statedir}");
- }
- }
-
- // }}}
- // {{{ _packageFileName()
-
- function _packageFileName($package)
- {
- return "{$this->statedir}/{$package}.reg";
- }
-
- // }}}
- // {{{ _openPackageFile()
-
- function _openPackageFile($package, $mode)
- {
- $this->_assertStateDir();
- $file = $this->_packageFileName($package);
- $fp = @fopen($file, $mode);
- if (!$fp) {
- return null;
- }
- return $fp;
- }
-
- // }}}
- // {{{ _closePackageFile()
-
- function _closePackageFile($fp)
- {
- fclose($fp);
- }
-
- // }}}
-
- // {{{ packageExists()
-
- function packageExists($package)
- {
- return file_exists($this->_packageFileName($package));
- }
-
- // }}}
- // {{{ addPackage()
-
- function addPackage($package, $info)
- {
- if ($this->packageExists($package)) {
- return false;
- }
- $fp = $this->_openPackageFile($package, "w");
- if ($fp === null) {
- return false;
- }
- fwrite($fp, serialize($info));
- $this->_closePackageFile($fp);
- return true;
- }
-
- // }}}
- // {{{ packageInfo()
-
- function packageInfo($package = null)
- {
- if ($package === null) {
- return array_map(array($this, "packageInfo"),
- $this->listPackages());
- }
- $fp = $this->_openPackageFile($package, "r");
- if ($fp === null) {
- return null;
- }
- $data = fread($fp, filesize($this->_packageFileName($package)));
- $this->_closePackageFile($fp);
- return unserialize($data);
- }
-
- // }}}
- // {{{ deletePackage()
-
- function deletePackage($package)
- {
- $file = $this->_packageFileName($package);
- return @unlink($file);
- }
-
- // }}}
- // {{{ updatePackage()
-
- function updatePackage($package, $info)
- {
- $oldinfo = $this->packageInfo($package);
- if (empty($oldinfo)) {
- return false;
- }
- $fp = $this->_openPackageFile($package, "w");
- if ($fp === null) {
- return false;
- }
- fwrite($fp, serialize(array_merge($oldinfo, $info)));
- $this->_closePackageFile($fp);
- return true;
- }
-
- // }}}
- // {{{ listPackages()
-
- function listPackages()
- {
- $pkglist = array();
- $dp = @opendir($this->statedir);
- if (!$dp) {
- return $pkglist;
- }
- while ($ent = readdir($dp)) {
- if ($ent{0} == "." || substr($ent, -4) != ".reg") {
- continue;
- }
- $pkglist[] = substr($ent, 0, -4);
- }
- return $pkglist;
- }
-
- // }}}
- }
-
- ?>