fae6352bf2
Removed PHP_Compat, and references to it. Removed ionCube/Zend/mmCache compatibility checks in test.php script. Changed minimum PHP requirement to 5.0 in test.php script.
223 lines
6.9 KiB
PHP
223 lines
6.9 KiB
PHP
<?php
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/**
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* PEAR_Frontend, the singleton-based frontend for user input/output
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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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 1997-2008 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Frontend.php,v 1.13 2008/01/03 20:26:35 cellog Exp $
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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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* Which user interface class is being used.
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* @var string class name
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*/
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$GLOBALS['_PEAR_FRONTEND_CLASS'] = 'PEAR_Frontend_CLI';
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/**
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* Instance of $_PEAR_Command_uiclass.
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* @var object
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*/
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$GLOBALS['_PEAR_FRONTEND_SINGLETON'] = null;
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/**
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* Singleton-based frontend for PEAR user input/output
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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 1997-2008 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.7.2
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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_Frontend extends PEAR
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{
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/**
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* Retrieve the frontend object
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* @return PEAR_Frontend_CLI|PEAR_Frontend_Web|PEAR_Frontend_Gtk
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* @static
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*/
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function &singleton($type = null)
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{
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if ($type === null) {
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if (!isset($GLOBALS['_PEAR_FRONTEND_SINGLETON'])) {
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$a = false;
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return $a;
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}
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return $GLOBALS['_PEAR_FRONTEND_SINGLETON'];
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} else {
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$a = PEAR_Frontend::setFrontendClass($type);
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return $a;
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}
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}
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/**
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* Set the frontend class that will be used by calls to {@link singleton()}
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*
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* Frontends are expected to conform to the PEAR naming standard of
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* _ => DIRECTORY_SEPARATOR (PEAR_Frontend_CLI is in PEAR/Frontend/CLI.php)
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* @param string $uiclass full class name
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* @return PEAR_Frontend
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* @static
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*/
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function &setFrontendClass($uiclass)
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{
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if (is_object($GLOBALS['_PEAR_FRONTEND_SINGLETON']) &&
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is_a($GLOBALS['_PEAR_FRONTEND_SINGLETON'], $uiclass)) {
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return $GLOBALS['_PEAR_FRONTEND_SINGLETON'];
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}
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if (!class_exists($uiclass)) {
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$file = str_replace('_', '/', $uiclass) . '.php';
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if (PEAR_Frontend::isIncludeable($file)) {
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include_once $file;
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}
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}
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if (class_exists($uiclass)) {
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$obj = &new $uiclass;
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// quick test to see if this class implements a few of the most
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// important frontend methods
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if (is_a($obj, 'PEAR_Frontend')) {
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$GLOBALS['_PEAR_FRONTEND_SINGLETON'] = &$obj;
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$GLOBALS['_PEAR_FRONTEND_CLASS'] = $uiclass;
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return $obj;
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} else {
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$err = PEAR::raiseError("not a frontend class: $uiclass");
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return $err;
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}
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}
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$err = PEAR::raiseError("no such class: $uiclass");
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return $err;
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}
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/**
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* Set the frontend class that will be used by calls to {@link singleton()}
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*
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* Frontends are expected to be a descendant of PEAR_Frontend
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* @param PEAR_Frontend
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* @return PEAR_Frontend
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* @static
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*/
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function &setFrontendObject($uiobject)
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{
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if (is_object($GLOBALS['_PEAR_FRONTEND_SINGLETON']) &&
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is_a($GLOBALS['_PEAR_FRONTEND_SINGLETON'], get_class($uiobject))) {
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return $GLOBALS['_PEAR_FRONTEND_SINGLETON'];
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}
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if (!is_a($uiobject, 'PEAR_Frontend')) {
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$err = PEAR::raiseError('not a valid frontend class: (' .
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get_class($uiobject) . ')');
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return $err;
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}
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$GLOBALS['_PEAR_FRONTEND_SINGLETON'] = &$uiobject;
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$GLOBALS['_PEAR_FRONTEND_CLASS'] = get_class($uiobject);
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return $uiobject;
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}
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/**
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* @param string $path relative or absolute include path
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* @return boolean
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* @static
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*/
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function isIncludeable($path)
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{
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if (file_exists($path) && is_readable($path)) {
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return true;
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}
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$fp = @fopen($path, 'r', true);
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if ($fp) {
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fclose($fp);
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return true;
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}
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return false;
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}
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/**
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* @param PEAR_Config
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*/
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function setConfig(&$config)
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{
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}
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/**
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* This can be overridden to allow session-based temporary file management
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*
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* By default, all files are deleted at the end of a session. The web installer
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* needs to be able to sustain a list over many sessions in order to support
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* user interaction with install scripts
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*/
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function addTempFile($file)
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{
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$GLOBALS['_PEAR_Common_tempfiles'][] = $file;
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}
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/**
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* Log an action
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*
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* @param string $msg the message to log
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* @param boolean $append_crlf
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* @return boolean true
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* @abstract
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*/
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function log($msg, $append_crlf = true)
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{
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}
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/**
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* Run a post-installation script
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*
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* @param array $scripts array of post-install scripts
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* @abstract
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*/
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function runPostinstallScripts(&$scripts)
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{
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}
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/**
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* Display human-friendly output formatted depending on the
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* $command parameter.
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*
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* This should be able to handle basic output data with no command
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* @param mixed $data data structure containing the information to display
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* @param string $command command from which this method was called
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* @abstract
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*/
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function outputData($data, $command = '_default')
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{
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}
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/**
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* Display a modal form dialog and return the given input
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*
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* A frontend that requires multiple requests to retrieve and process
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* data must take these needs into account, and implement the request
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* handling code.
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* @param string $command command from which this method was called
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* @param array $prompts associative array. keys are the input field names
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* and values are the description
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* @param array $types array of input field types (text, password,
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* etc.) keys have to be the same like in $prompts
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* @param array $defaults array of default values. again keys have
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* to be the same like in $prompts. Do not depend
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* on a default value being set.
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* @return array input sent by the user
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* @abstract
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*/
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function userDialog($command, $prompts, $types = array(), $defaults = array())
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{
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}
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}
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?>
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