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Direktori : /proc/thread-self/root/opt/cloudlinux/alt-php54/root/usr/share/pear/PEAR/ |
Current File : //proc/thread-self/root/opt/cloudlinux/alt-php54/root/usr/share/pear/PEAR/Frontend.php |
<?php /** * PEAR_Frontend, the singleton-based frontend for user input/output * * 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 * @link http://pear.php.net/package/PEAR * @since File available since Release 1.4.0a1 */ /** * Include error handling */ //require_once 'PEAR.php'; /** * Which user interface class is being used. * @var string class name */ $GLOBALS['_PEAR_FRONTEND_CLASS'] = 'PEAR_Frontend_CLI'; /** * Instance of $_PEAR_Command_uiclass. * @var object */ $GLOBALS['_PEAR_FRONTEND_SINGLETON'] = null; /** * Singleton-based frontend for PEAR user input/output * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version Release: 1.10.10 * @link http://pear.php.net/package/PEAR * @since Class available since Release 1.4.0a1 */ class PEAR_Frontend extends PEAR { /** * Retrieve the frontend object * @return PEAR_Frontend_CLI|PEAR_Frontend_Web|PEAR_Frontend_Gtk */ public static function &singleton($type = null) { if ($type === null) { if (!isset($GLOBALS['_PEAR_FRONTEND_SINGLETON'])) { $a = false; return $a; } return $GLOBALS['_PEAR_FRONTEND_SINGLETON']; } $a = PEAR_Frontend::setFrontendClass($type); return $a; } /** * Set the frontend class that will be used by calls to {@link singleton()} * * Frontends are expected to conform to the PEAR naming standard of * _ => DIRECTORY_SEPARATOR (PEAR_Frontend_CLI is in PEAR/Frontend/CLI.php) * @param string $uiclass full class name * @return PEAR_Frontend */ public static function &setFrontendClass($uiclass) { if (is_object($GLOBALS['_PEAR_FRONTEND_SINGLETON']) && is_a($GLOBALS['_PEAR_FRONTEND_SINGLETON'], $uiclass)) { return $GLOBALS['_PEAR_FRONTEND_SINGLETON']; } if (!class_exists($uiclass)) { $file = str_replace('_', '/', $uiclass) . '.php'; if (PEAR_Frontend::isIncludeable($file)) { include_once $file; } } if (class_exists($uiclass)) { $obj = new $uiclass; // quick test to see if this class implements a few of the most // important frontend methods if (is_a($obj, 'PEAR_Frontend')) { $GLOBALS['_PEAR_FRONTEND_SINGLETON'] = &$obj; $GLOBALS['_PEAR_FRONTEND_CLASS'] = $uiclass; return $obj; } $err = PEAR::raiseError("not a frontend class: $uiclass"); return $err; } $err = PEAR::raiseError("no such class: $uiclass"); return $err; } /** * Set the frontend class that will be used by calls to {@link singleton()} * * Frontends are expected to be a descendant of PEAR_Frontend * @param PEAR_Frontend * @return PEAR_Frontend */ public static function &setFrontendObject($uiobject) { if (is_object($GLOBALS['_PEAR_FRONTEND_SINGLETON']) && is_a($GLOBALS['_PEAR_FRONTEND_SINGLETON'], get_class($uiobject))) { return $GLOBALS['_PEAR_FRONTEND_SINGLETON']; } if (!is_a($uiobject, 'PEAR_Frontend')) { $err = PEAR::raiseError('not a valid frontend class: (' . get_class($uiobject) . ')'); return $err; } $GLOBALS['_PEAR_FRONTEND_SINGLETON'] = &$uiobject; $GLOBALS['_PEAR_FRONTEND_CLASS'] = get_class($uiobject); return $uiobject; } /** * @param string $path relative or absolute include path * @return boolean */ public static function isIncludeable($path) { if (file_exists($path) && is_readable($path)) { return true; } $fp = @fopen($path, 'r', true); if ($fp) { fclose($fp); return true; } return false; } /** * @param PEAR_Config */ function setConfig(&$config) { } /** * This can be overridden to allow session-based temporary file management * * By default, all files are deleted at the end of a session. The web installer * needs to be able to sustain a list over many sessions in order to support * user interaction with install scripts */ static function addTempFile($file) { $GLOBALS['_PEAR_Common_tempfiles'][] = $file; } /** * Log an action * * @param string $msg the message to log * @param boolean $append_crlf * @return boolean true * @abstract */ function log($msg, $append_crlf = true) { } /** * Run a post-installation script * * @param array $scripts array of post-install scripts * @abstract */ function runPostinstallScripts(&$scripts) { } /** * Display human-friendly output formatted depending on the * $command parameter. * * This should be able to handle basic output data with no command * @param mixed $data data structure containing the information to display * @param string $command command from which this method was called * @abstract */ function outputData($data, $command = '_default') { } /** * Display a modal form dialog and return the given input * * A frontend that requires multiple requests to retrieve and process * data must take these needs into account, and implement the request * handling code. * @param string $command command from which this method was called * @param array $prompts associative array. keys are the input field names * and values are the description * @param array $types array of input field types (text, password, * etc.) keys have to be the same like in $prompts * @param array $defaults array of default values. again keys have * to be the same like in $prompts. Do not depend * on a default value being set. * @return array input sent by the user * @abstract */ function userDialog($command, $prompts, $types = array(), $defaults = array()) { } }