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<?php
/**
* Commands for the PHP_Shell
*
* Extensions can register their own commands for the shell like the
* InlineHelp Extension which provides inline help for all functions
*
* It uses the pattern '? <string>' to catch the cmdline strings.
*
* registerCommand() should be called by the extensions in the register()
* method. Its parameters are
* - the regex which matches the command
* - the object and the method to call if the command is matched
* - the human readable command string and the description for the help
*/
class PHP_Shell_Commands {
/*
* instance of the current class
*
* @var PHP_Shell_Commands
*/
static protected $instance;
/**
* registered commands
*
* array('quit' => ... )
*
* @var array
* @see registerCommand
*/
protected $commands = array();
/**
* register your own command for the shell
*
* @param string $regex a regex to match against the input line
* @param string $obj a Object
* @param string $method a method in the object to call of the regex matches
* @param string $cmd the command string for the help
* @param string $help the full help description for this command
*/
public function registerCommand($regex, $obj, $method, $cmd, $help) {
$this->commands[] = array(
'regex' => $regex,
'obj' => $obj,
'method' => $method,
'command' => $cmd,
'description' => $help
);
}
/**
* return a copy of the commands array
*
* @return all commands
*/
public function getCommands() {
return $this->commands;
}
static function getInstance() {
if (is_null(self::$instance)) {
$class = __CLASS__;
self::$instance = new $class();
}
return self::$instance;
}
}
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