Файл: mp3/MP3/PEAR/Installer/Role/Common.php
Строк: 217
<?php
/**
* Base class for all installation roles.
*
* PHP versions 4 and 5
*
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id: Common.php 313023 2011-07-06 19:17:11Z dufuz $
* @link http://pear.php.net/package/PEAR
* @since File available since Release 1.4.0a1
*/
/**
* Base class for all installation roles.
*
* This class allows extensibility of file roles. Packages with complex
* customization can now provide custom file roles along with the possibility of
* adding configuration values to match.
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 1.9.4
* @link http://pear.php.net/package/PEAR
* @since Class available since Release 1.4.0a1
*/
class PEAR_Installer_Role_Common
{
/**
* @var PEAR_Config
* @access protected
*/
var $config;
/**
* @param PEAR_Config
*/
function PEAR_Installer_Role_Common(&$config)
{
$this->config = $config;
}
/**
* Retrieve configuration information about a file role from its XML info
*
* @param string $role Role Classname, as in "PEAR_Installer_Role_Data"
* @return array
*/
function getInfo($role)
{
if (empty($GLOBALS['_PEAR_INSTALLER_ROLES'][$role])) {
return PEAR::raiseError('Unknown Role class: "' . $role . '"');
}
return $GLOBALS['_PEAR_INSTALLER_ROLES'][$role];
}
/**
* This is called for each file to set up the directories and files
* @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
* @param array attributes from the <file> tag
* @param string file name
* @return array an array consisting of:
*
* 1 the original, pre-baseinstalldir installation directory
* 2 the final installation directory
* 3 the full path to the final location of the file
* 4 the location of the pre-installation file
*/
function processInstallation($pkg, $atts, $file, $tmp_path, $layer = null)
{
$roleInfo = PEAR_Installer_Role_Common::getInfo('PEAR_Installer_Role_' .
ucfirst(str_replace('pear_installer_role_', '', strtolower(get_class($this)))));
if (PEAR::isError($roleInfo)) {
return $roleInfo;
}
if (!$roleInfo['locationconfig']) {
return false;
}
if ($roleInfo['honorsbaseinstall']) {
$dest_dir = $save_destdir = $this->config->get($roleInfo['locationconfig'], $layer,
$pkg->getChannel());
if (!empty($atts['baseinstalldir'])) {
$dest_dir .= DIRECTORY_SEPARATOR . $atts['baseinstalldir'];
}
} elseif ($roleInfo['unusualbaseinstall']) {
$dest_dir = $save_destdir = $this->config->get($roleInfo['locationconfig'],
$layer, $pkg->getChannel()) . DIRECTORY_SEPARATOR . $pkg->getPackage();
if (!empty($atts['baseinstalldir'])) {
$dest_dir .= DIRECTORY_SEPARATOR . $atts['baseinstalldir'];
}
} else {
$dest_dir = $save_destdir = $this->config->get($roleInfo['locationconfig'],
$layer, $pkg->getChannel()) . DIRECTORY_SEPARATOR . $pkg->getPackage();
}
if (dirname($file) != '.' && empty($atts['install-as'])) {
$dest_dir .= DIRECTORY_SEPARATOR . dirname($file);
}
if (empty($atts['install-as'])) {
$dest_file = $dest_dir . DIRECTORY_SEPARATOR . basename($file);
} else {
$dest_file = $dest_dir . DIRECTORY_SEPARATOR . $atts['install-as'];
}
$orig_file = $tmp_path . DIRECTORY_SEPARATOR . $file;
// Clean up the DIRECTORY_SEPARATOR mess
$ds2 = DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR;
list($dest_dir, $dest_file, $orig_file) = preg_replace(array('!\\+!', '!/!', "!$ds2+!"),
array(DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR,
DIRECTORY_SEPARATOR),
array($dest_dir, $dest_file, $orig_file));
return array($save_destdir, $dest_dir, $dest_file, $orig_file);
}
/**
* Get the name of the configuration variable that specifies the location of this file
* @return string|false
*/
function getLocationConfig()
{
$roleInfo = PEAR_Installer_Role_Common::getInfo('PEAR_Installer_Role_' .
ucfirst(str_replace('pear_installer_role_', '', strtolower(get_class($this)))));
if (PEAR::isError($roleInfo)) {
return $roleInfo;
}
return $roleInfo['locationconfig'];
}
/**
* Do any unusual setup here
* @param PEAR_Installer
* @param PEAR_PackageFile_v2
* @param array file attributes
* @param string file name
*/
function setup(&$installer, $pkg, $atts, $file)
{
}
function isExecutable()
{
$roleInfo = PEAR_Installer_Role_Common::getInfo('PEAR_Installer_Role_' .
ucfirst(str_replace('pear_installer_role_', '', strtolower(get_class($this)))));
if (PEAR::isError($roleInfo)) {
return $roleInfo;
}
return $roleInfo['executable'];
}
function isInstallable()
{
$roleInfo = PEAR_Installer_Role_Common::getInfo('PEAR_Installer_Role_' .
ucfirst(str_replace('pear_installer_role_', '', strtolower(get_class($this)))));
if (PEAR::isError($roleInfo)) {
return $roleInfo;
}
return $roleInfo['installable'];
}
function isExtension()
{
$roleInfo = PEAR_Installer_Role_Common::getInfo('PEAR_Installer_Role_' .
ucfirst(str_replace('pear_installer_role_', '', strtolower(get_class($this)))));
if (PEAR::isError($roleInfo)) {
return $roleInfo;
}
return $roleInfo['phpextension'];
}
}
?>