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