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-rw-r--r--pear/PEAR/DependencyDB.php348
1 files changed, 0 insertions, 348 deletions
diff --git a/pear/PEAR/DependencyDB.php b/pear/PEAR/DependencyDB.php
deleted file mode 100644
index ce76350a71..0000000000
--- a/pear/PEAR/DependencyDB.php
+++ /dev/null
@@ -1,348 +0,0 @@
-<?php
-//
-// +----------------------------------------------------------------------+
-// | PHP Version 5 |
-// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2004 The PHP Group |
-// +----------------------------------------------------------------------+
-// | This source file is subject to version 3.0 of the PHP license, |
-// | that is bundled with this package in the file LICENSE, and is |
-// | available through the world-wide-web at the following url: |
-// | 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 world-wide-web, please send a note to |
-// | license@php.net so we can mail you a copy immediately. |
-// +----------------------------------------------------------------------+
-// | Authors: Tomas V.V.Cox <cox@idecnet.com> |
-// | |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-
-/**
-Experimental dependencies database handling functions (not yet in production)
-
-<?php
-include './DependencyDB.php';
-PEAR::setErrorHandling(PEAR_ERROR_DIE);
-$dep = PEAR_DependencyDB::singleton('./test.deps', '/home/cox/www/include/pear');
-//$dep->rebuildDB();
-$a = $dep->checkAction('uninstall', 'net_socket');
-print_r($a);
-?>
-
-**/
-
-require_once 'PEAR.php';
-require_once 'PEAR/Registry.php';
-require_once 'PEAR/Dependency.php';
-
-class PEAR_DependencyDB extends PEAR
-{
- // {{{ properties
-
- var $pear_reg = false;
- var $pear_dep = false;
- var $depdb_file = false;
- var $lockfile = false;
- var $lock_fp = false;
- var $depdb_version = '1.0';
-
- // }}}
- // {{{ & singleton()
-
- function &singleton($depdb_file, $reg_file)
- {
- $obj = new PEAR_DependencyDB;
- $reg = &new PEAR_Registry($reg_file);
- $obj->pear_reg = $reg;
- $obj->lockfile = $reg->lockfile;
- $obj->pear_dep = new PEAR_Dependency($reg);
- $obj->depdb_file = $depdb_file;
- $obj->assertDepsDB();
- return $obj;
- }
-
- // }}}
- // {{{ assertDepsDB()
-
- function assertDepsDB()
- {
- if (!is_file($this->depdb_file)) {
- $this->rebuildDB();
- } else {
- $depdb = $this->_getDepDB();
- // Datatype format has been changed, rebuild the Deps DB
- if ($depdb['depdb_version'] != $this->depdb_version) {
- $this->rebuildDB();
- }
- }
- }
-
- // }}}
- // {{{ _lock()
-
- function _lock($mode = LOCK_EX)
- {
- if (!eregi('Windows 9', php_uname())) {
- if ($mode != LOCK_UN && is_resource($this->lock_fp)) {
- // XXX does not check type of lock (LOCK_SH/LOCK_EX)
- return true;
- }
- $open_mode = 'w';
- // XXX People reported problems with LOCK_SH and 'w'
- if ($mode === LOCK_SH) {
- if (@!is_file($this->lockfile)) {
- touch($this->lockfile);
- }
- $open_mode = 'r';
- }
-
- $this->lock_fp = @fopen($this->lockfile, $open_mode);
-
- if (!is_resource($this->lock_fp)) {
- return $this->raiseError("could not create lock file" .
- (isset($php_errormsg) ? ": " . $php_errormsg : ""));
- }
- if (!(int)flock($this->lock_fp, $mode)) {
- switch ($mode) {
- case LOCK_SH: $str = 'shared'; break;
- case LOCK_EX: $str = 'exclusive'; break;
- case LOCK_UN: $str = 'unlock'; break;
- default: $str = 'unknown'; break;
- }
- return $this->raiseError("could not acquire $str lock ($this->lockfile)");
- }
- }
- return true;
- }
-
- // }}}
- // {{{ _unlock()
-
- function _unlock()
- {
- $ret = $this->_lock(LOCK_UN);
- $this->lock_fp = null;
- return $ret;
- }
-
- // }}}
- // {{{ rebuildDepsFile()
-
- function rebuildDB()
- {
- $depdb = array('depdb_version' => $this->depdb_version);
- $packages = $this->pear_reg->listPackages();
- foreach ($packages as $package) {
- $deps = $this->pear_reg->packageInfo($package, 'release_deps');
- $this->setPackageDep($depdb, $package, $deps);
- }
- print_r($depdb);
- $error = $this->_writeDepDB($depdb);
- if (PEAR::isError($error)) {
- return $error;
- }
- return true;
- }
-
- // }}}
- // {{{ & _getDepDB()
-
- function &_getDepDB()
- {
- if (!$fp = fopen($this->depdb_file, 'r')) {
- $err = $this->raiseError("Could not open dependencies file `".$this->depdb_file."'");
- return $err;
- }
- $data = unserialize(fread($fp, filesize($this->depdb_file)));
- fclose($fp);
- return $data;
- }
-
- // }}}
- // {{{ _writeDepDB()
-
- function _writeDepDB(&$deps)
- {
- if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
- return $e;
- }
- if (!$fp = fopen($this->depdb_file, 'wb')) {
- $this->_unlock();
- return $this->raiseError("Could not open dependencies file `".$this->depfile."' for writting");
- }
- fwrite($fp, serialize($deps));
- fclose($fp);
- $this->_unlock();
- return true;
- }
-
- // }}}
- /*
- // {{{ removePackageDep()
- function removePackageDep($package)
- {
- $data = &$this->_depGetDepDB();
- if (PEAR::isError($data)) {
- return $data;
- }
- // Other packages depends on this package, can't be removed
- if (isset($data['deps'][$package])) {
- return $data['deps'][$package];
- }
- // The package depends on others, remove those dependencies
- if (isset($data['pkgs'][$package])) {
- foreach ($data['pkgs'][$package] as $pkg => $key) {
- // remove the dependency
- unset($data['deps'][$pkg][$key]);
- // if no more dependencies, remove the subject too
- if (!count($data['deps'][$pkg])) {
- unset($data['deps'][$pkg]);
- }
- }
- // remove the package from the index list
- unset($data['pkgs'][$package]);
- }
- return $this->_depWriteDepDB();
- }
- // }}}
- */
-
- // {{{ checkAction()
-
- function checkAction($action, $package, $new_version = null)
- {
- $depdb = &$this->_getDepDB();
- if (PEAR::isError($depdb)) {
- return $depdb;
- }
- $fails = '';
- switch($action) {
- case 'uninstall':
- // Other packages depends on this package, can't be removed
- if (isset($depdb['deps'][$package])) {
- foreach ($depdb['deps'][$package] as $dep) {
- if (!$dep['optional']) {
- $fails .= "Package '" . $dep['depend'] . "' depends on '$package'\n";
- }
- }
- return $fails;
- }
- return true;
- case 'install':
- case 'upgrade':
- // Other packages depend on this package, check deps. Ex:
- // <dep type='pkg' rel='lt' version='1.0'>Foo</dep> and we are trying to
- // update Foo to version 2.0
- if (isset($depdb['deps'][$package])) {
- foreach ($depdb['deps'][$package] as $dep) {
- $relation = $dep['rel'];
- if ($relation == 'not') {
- $fails .= "Package '" . $dep['depend'] . "' conflicts with '$package'\n";
- } elseif ($relation != 'has' && $new_version !== null) {
- if (!version_compare("$new_version", "{$dep['version']}", $relation) &&
- !$dep['optional']) {
- $fails .= "Package '" . $dep['depend'] . "' requires ".
- "$package " . $this->pear_dep->signOperator($relation) .
- " " . $dep['version'];
- }
- }
- }
- if (isset($fails)) {
- return $fails;
- }
- }
- return true;
- }
- }
-
- // }}}
- // {{{ commitAction()
-
- function commitAction($action, $package)
- {
-
- }
-
- // }}}
- // {{{ setPackageDep()
-
- /**
- * Update or insert a the dependencies of a package, prechecking
- * that the package won't break any dependency in the process
-
- The data structure is as follows:
- $dep_db = array(
- // Other packages depends on this packages
- 'deps' => array(
- 'Package Name' => array(
- 0 => array(
- // This package depends on 'Package Name'
- 'depend' => 'Package',
- // Which version 'Package' needs of 'Package Name'
- 'version' => '1.0',
- // The requirement (version_compare() operator)
- 'rel' => 'ge',
- // whether the dependency is optional
- 'optional' => true/false
- ),
- ),
- )
- // This packages are dependant on other packages
- 'pkgs' => array(
- 'Package Dependant' => array(
- // This is a index list with paths over the 'deps' array for quick
- // searching things like "what dependecies has this package?"
- // $dep_db['deps']['Package Name'][3]
- 'Package Name' => 3 // key in array ['deps']['Package Name']
- ),
- )
- )
-
- Note: It only supports package dependencies no other type
- */
-
- function setPackageDep(&$data, $package, $rel_deps = array())
- {
- // This package has no dependencies
- if (!is_array($rel_deps) || !count($rel_deps)) {
- return true;
- }
-
- // The package depends on others, register that
- foreach ($rel_deps as $dep) {
- // We only support deps of type 'pkg's
- if ($dep && $dep['type'] == 'pkg' && isset($dep['name'])) {
- $dep_name = strtolower($dep['name']);
- $write = array('depend' => $package,
- 'rel' => $dep['rel']);
- if ($dep['rel'] != 'has') {
- $write['version'] = $dep['version'];
- }
- if (isset($dep['optional']) && $dep['optional'] == 'yes') {
- $write['optional'] = true;
- } else {
- $write['optional'] = false;
- }
- settype($data['deps'][$dep_name], 'array');
-
- // The dependency already exists, update it
- if (isset($data['pkgs'][$package][$dep_name])) {
- $key = $data['pkgs'][$package][$dep_name];
- $data['deps'][$dep_name][$key] = $write;
-
- // New dependency, insert it
- } else {
- $key = count($data['deps'][$dep_name]);
- $data['deps'][$dep_name][$key] = $write;
- settype($data['pkgs'][$package], 'array');
- $data['pkgs'][$package][$dep_name] = $key;
- }
- }
- }
- return true;
- }
- // }}}
-}
-?>
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