/**
* Parse command line into config options and commands with its parameters
*
* $param array $args List of arguments provided from command line
*/
static function parseCommandLineArgs($args)
{
$parsed_args = array('options' => array(), 'command' => array('name' => null, 'args' => array()));
array_shift($args);
$opts = GetOpt::extractLeft($args, self::$config_tpl);
if ($opts === false) {
Output::error('mmp: ' . reset(GetOpt::errors()));
exit(1);
} else {
$parsed_args['options'] = $opts;
}
//if we didn't traverse the full array just now, move on to command parsing
if (!empty($args)) {
$parsed_args['command']['name'] = array_shift($args);
}
//consider any remaining arguments as command arguments
$parsed_args['command']['args'] = $args;
return $parsed_args;
}
/**
* Parse and extract left-most options up to the first non-option argument
*
* @param array $args List of arguments to search through
* @param array $opts Option templates. Defines rules for the options we need to parse
* @return array Extracted options
*/
static function extractLeft(&$args, $opts)
{
$result = array();
self::$errors = array();
$opts = self::normalizeTpl($opts);
$short_opts = self::mapShortOpts($opts);
while (!empty($args)) {
$arg = array_shift($args);
if (preg_match('/^--([a-z][a-z\\-]*)/i', $arg, $matches)) {
$matches[1] = strtolower($matches[1]);
if (isset($opts[$matches[1]])) {
try {
$result[$matches[1]] = self::parseValue($args, $arg, $opts[$matches[1]]);
} catch (Exception $e) {
self::$errors[] = $e->getMessage();
return false;
}
} else {
self::$errors[] = 'Invalid option \'' . $matches[1] . '\'';
return false;
}
} elseif (preg_match('/^-([a-z])/', $arg, $matches)) {
foreach (str_split($matches[1]) as $o) {
if (isset($short_opts[$o])) {
try {
$result[$short_opts[$o]] = self::parseValue($args, $arg, $opts[$short_opts[$o]]);
} catch (Exception $e) {
self::$errors[] = $e->getMessage();
return false;
}
} else {
self::$errors[] = 'Invalid option \'' . $matches[1] . '\'';
return false;
}
}
} else {
array_unshift($args, $arg);
break;
}
}
return $result;
}
