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<?php
/**
* PEAR_Installer_Role
*
* PHP versions 4 and 5
*
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/PEAR
* @since File available since Release 1.4.0a1
*/
/**
* base class for installer roles
*/
require_once 'PEAR/Installer/Role/Common.php';
require_once 'PEAR/XMLParser.php';
/**
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 1.9.5
* @link http://pear.php.net/package/PEAR
* @since Class available since Release 1.4.0a1
*/
class PEAR_Installer_Role
{
/**
* Set up any additional configuration variables that file roles require
*
* Never call this directly, it is called by the PEAR_Config constructor
* @param PEAR_Config
* @access private
* @static
*/
function initializeConfig(&$config)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $class => $info) {
if (!$info['config_vars']) {
continue;
}
$config->_addConfigVars($class, $info['config_vars']);
}
}
/**
* @param PEAR_PackageFile_v2
* @param string role name
* @param PEAR_Config
* @return PEAR_Installer_Role_Common
* @static
*/
function &factory($pkg, $role, &$config)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
if (!in_array($role, PEAR_Installer_Role::getValidRoles($pkg->getPackageType()))) {
$a = false;
return $a;
}
$a = 'PEAR_Installer_Role_' . ucfirst($role);
if (!class_exists($a)) {
require_once str_replace('_', '/', $a) . '.php';
}
$b = new $a($config);
return $b;
}
/**
* Get a list of file roles that are valid for the particular release type.
*
* For instance, src files serve no purpose in regular php releases.
* @param string
* @param bool clear cache
* @return array
* @static
*/
function getValidRoles($release, $clear = false)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
static $ret = array();
if ($clear) {
$ret = array();
}
if (isset($ret[$release])) {
return $ret[$release];
}
$ret[$release] = array();
foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
if (in_array($release, $okreleases['releasetypes'])) {
$ret[$release][] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
}
}
return $ret[$release];
}
/**
* Get a list of roles that require their files to be installed
*
* Most roles must be installed, but src and package roles, for instance
* are pseudo-roles. src files are compiled into a new extension. Package
* roles are actually fully bundled releases of a package
* @param bool clear cache
* @return array
* @static
*/
function getInstallableRoles($clear = false)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
static $ret;
if ($clear) {
unset($ret);
}
if (isset($ret)) {
return $ret;
}
$ret = array();
foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
if ($okreleases['installable']) {
$ret[] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
}
}
return $ret;
}
/**
* Return an array of roles that are affected by the baseinstalldir attribute
*
* Most roles ignore this attribute, and instead install directly into:
* PackageName/filepath
* so a tests file tests/file.phpt is installed into PackageName/tests/filepath.php
* @param bool clear cache
* @return array
* @static
*/
function getBaseinstallRoles($clear = false)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
static $ret;
if ($clear) {
unset($ret);
}
if (isset($ret)) {
return $ret;
}
$ret = array();
foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
if ($okreleases['honorsbaseinstall']) {
$ret[] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
}
}
return $ret;
}
/**
* Return an array of file roles that should be analyzed for PHP content at package time,
* like the "php" role.
* @param bool clear cache
* @return array
* @static
*/
function getPhpRoles($clear = false)
{
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'])) {
PEAR_Installer_Role::registerRoles();
}
static $ret;
if ($clear) {
unset($ret);
}
if (isset($ret)) {
return $ret;
}
$ret = array();
foreach ($GLOBALS['_PEAR_INSTALLER_ROLES'] as $role => $okreleases) {
if ($okreleases['phpfile']) {
$ret[] = strtolower(str_replace('PEAR_Installer_Role_', '', $role));
}
}
return $ret;
}
/**
* Scan through the Command directory looking for classes
* and see what commands they implement.
* @param string which directory to look for classes, defaults to
* the Installer/Roles subdirectory of
* the directory from where this file (__FILE__) is
* included.
*
* @return bool TRUE on success, a PEAR error on failure
* @access public
* @static
*/
function registerRoles($dir = null)
{
$GLOBALS['_PEAR_INSTALLER_ROLES'] = array();
$parser = new PEAR_XMLParser;
if ($dir === null) {
$dir = dirname(__FILE__) . '/Role';
}
if (!file_exists($dir) || !is_dir($dir)) {
return PEAR::raiseError("registerRoles: opendir($dir) failed: does not exist/is not directory");
}
$dp = @opendir($dir);
if (empty($dp)) {
return PEAR::raiseError("registerRoles: opendir($dir) failed: $php_errmsg");
}
while ($entry = readdir($dp)) {
if ($entry{0} == '.' || substr($entry, -4) != '.xml') {
continue;
}
$class = "PEAR_Installer_Role_".substr($entry, 0, -4);
// List of roles
if (!isset($GLOBALS['_PEAR_INSTALLER_ROLES'][$class])) {
$file = "$dir/$entry";
$parser->parse(file_get_contents($file));
$data = $parser->getData();
if (!is_array($data['releasetypes'])) {
$data['releasetypes'] = array($data['releasetypes']);
}
$GLOBALS['_PEAR_INSTALLER_ROLES'][$class] = $data;
}
}
closedir($dp);
ksort($GLOBALS['_PEAR_INSTALLER_ROLES']);
PEAR_Installer_Role::getBaseinstallRoles(true);
PEAR_Installer_Role::getInstallableRoles(true);
PEAR_Installer_Role::getPhpRoles(true);
PEAR_Installer_Role::getValidRoles('****', true);
return true;
}
}
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