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Mini Shell
<?php
/**
* PEAR_Command_Common base class
*
* PHP versions 4 and 5
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @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 0.1
*/
/**
* base class
*/
require_once 'PEAR.php';
/**
* PEAR commands base class
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @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 0.1
*/
class PEAR_Command_Common extends PEAR
{
/**
* PEAR_Config object used to pass user system and configuration
* on when executing commands
*
* @var PEAR_Config
*/
var $config;
/**
* @var PEAR_Registry
* @access protected
*/
var $_registry;
/**
* User Interface object, for all interaction with the user.
* @var object
*/
var $ui;
var $_deps_rel_trans = array(
'lt' => '<',
'le' => '<=',
'eq' => '=',
'ne' => '!=',
'gt' => '>',
'ge' => '>=',
'has' => '=='
);
var $_deps_type_trans = array(
'pkg' => 'package',
'ext' => 'extension',
'php' => 'PHP',
'prog' => 'external program',
'ldlib' => 'external library for linking',
'rtlib' => 'external runtime library',
'os' => 'operating system',
'websrv' => 'web server',
'sapi' => 'SAPI backend'
);
/**
* PEAR_Command_Common constructor.
*
* @access public
*/
function __construct(&$ui, &$config)
{
parent::__construct();
$this->config = &$config;
$this->ui = &$ui;
}
/**
* Return a list of all the commands defined by this class.
* @return array list of commands
* @access public
*/
function getCommands()
{
$ret = array();
foreach (array_keys($this->commands) as $command) {
$ret[$command] = $this->commands[$command]['summary'];
}
return $ret;
}
/**
* Return a list of all the command shortcuts defined by this class.
* @return array shortcut => command
* @access public
*/
function getShortcuts()
{
$ret = array();
foreach (array_keys($this->commands) as $command) {
if (isset($this->commands[$command]['shortcut'])) {
$ret[$this->commands[$command]['shortcut']] = $command;
}
}
return $ret;
}
function getOptions($command)
{
$shortcuts = $this->getShortcuts();
if (isset($shortcuts[$command])) {
$command = $shortcuts[$command];
}
if (isset($this->commands[$command]) &&
isset($this->commands[$command]['options'])) {
return $this->commands[$command]['options'];
}
return null;
}
function getGetoptArgs($command, &$short_args, &$long_args)
{
$short_args = '';
$long_args = array();
if (empty($this->commands[$command]) || empty($this->commands[$command]['options'])) {
return;
}
reset($this->commands[$command]['options']);
foreach ($this->commands[$command]['options'] as $option => $info) {
$larg = $sarg = '';
if (isset($info['arg'])) {
if ($info['arg'][0] == '(') {
$larg = '==';
$sarg = '::';
$arg = substr($info['arg'], 1, -1);
} else {
$larg = '=';
$sarg = ':';
$arg = $info['arg'];
}
}
if (isset($info['shortopt'])) {
$short_args .= $info['shortopt'] . $sarg;
}
$long_args[] = $option . $larg;
}
}
/**
* Returns the help message for the given command
*
* @param string $command The command
* @return mixed A fail string if the command does not have help or
* a two elements array containing [0]=>help string,
* [1]=> help string for the accepted cmd args
*/
function getHelp($command)
{
$config = &PEAR_Config::singleton();
if (!isset($this->commands[$command])) {
return "No such command \"$command\"";
}
$help = null;
if (isset($this->commands[$command]['doc'])) {
$help = $this->commands[$command]['doc'];
}
if (empty($help)) {
// XXX (cox) Fallback to summary if there is no doc (show both?)
if (!isset($this->commands[$command]['summary'])) {
return "No help for command \"$command\"";
}
$help = $this->commands[$command]['summary'];
}
if (preg_match_all('/{config\s+([^\}]+)}/', $help, $matches)) {
foreach($matches[0] as $k => $v) {
$help = preg_replace("/$v/", $config->get($matches[1][$k]), $help);
}
}
return array($help, $this->getHelpArgs($command));
}
/**
* Returns the help for the accepted arguments of a command
*
* @param string $command
* @return string The help string
*/
function getHelpArgs($command)
{
if (isset($this->commands[$command]['options']) &&
count($this->commands[$command]['options']))
{
$help = "Options:\n";
foreach ($this->commands[$command]['options'] as $k => $v) {
if (isset($v['arg'])) {
if ($v['arg'][0] == '(') {
$arg = substr($v['arg'], 1, -1);
$sapp = " [$arg]";
$lapp = "[=$arg]";
} else {
$sapp = " $v[arg]";
$lapp = "=$v[arg]";
}
} else {
$sapp = $lapp = "";
}
if (isset($v['shortopt'])) {
$s = $v['shortopt'];
$help .= " -$s$sapp, --$k$lapp\n";
} else {
$help .= " --$k$lapp\n";
}
$p = " ";
$doc = rtrim(str_replace("\n", "\n$p", $v['doc']));
$help .= " $doc\n";
}
return $help;
}
return null;
}
function run($command, $options, $params)
{
if (empty($this->commands[$command]['function'])) {
// look for shortcuts
foreach (array_keys($this->commands) as $cmd) {
if (isset($this->commands[$cmd]['shortcut']) && $this->commands[$cmd]['shortcut'] == $command) {
if (empty($this->commands[$cmd]['function'])) {
return $this->raiseError("unknown command `$command'");
} else {
$func = $this->commands[$cmd]['function'];
}
$command = $cmd;
//$command = $this->commands[$cmd]['function'];
break;
}
}
} else {
$func = $this->commands[$command]['function'];
}
return $this->$func($command, $options, $params);
}
}
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