private function processArgs()
{
if ($this->result) {
return;
}
$argv = $this->argv;
// Remove until the script itself.
if (@$_SERVER['PHP_SELF'] && in_array($_SERVER['PHP_SELF'], $argv)) {
$argv = array_slice($argv, array_search($_SERVER['PHP_SELF'], $argv) + 1);
}
$args = array();
$currentNode =& $args['_'];
foreach ($argv as $value) {
// Match flag style, then assign initial value.
if (preg_match('/^\\-\\-?([\\w\\.]+)(?:=(.*))?$/', $value, $matches)) {
$nodePath = explode('.', $matches[1]);
$currentNode =& $args[array_shift($nodePath)];
while ($nodePath) {
$currentNode =& $currentNode[array_shift($nodePath)];
}
$value = isset($matches[3]) ? $matches[3] : TRUE;
// Value exists
if ($currentNode) {
if (!is_array($currentNode)) {
$currentNode = array($currentNode);
}
$currentNode[] = $value;
} else {
$currentNode = $value;
}
unset($matches, $nodePath);
} else {
if (isset($currentNode)) {
if ($currentNode === TRUE) {
$currentNode = $value;
} else {
array_pop($currentNode);
$currentNode[] = $value;
}
} else {
@($args['_'][] = $value);
}
unset($currentNode);
}
}
unset($value);
if (!$args['_']) {
unset($args['_']);
}
//------------------------------
// Alias
//------------------------------
foreach ($this->alias as $key => $alias) {
// Alias: type
if (isset($this->types[$key])) {
$this->types += array_fill_keys($alias, $this->types[$key]);
}
// Alias: defaults
if (isset($this->defaults[$key])) {
$this->defaults += array_fill_keys($alias, $this->defaults[$key]);
}
}
unset($key, $alias);
// Alias: value
foreach ($args as $option => $value) {
$target = (array) @$this->alias[$option];
foreach ($target as $alias) {
$args[$alias] = $value;
}
unset($alias);
}
unset($option, $value, $target);
if (@$args['_']) {
foreach ($args['_'] as $value) {
$target = (array) @$this->alias[$value];
foreach ($target as $alias) {
$args['_'][] = $alias;
}
unset($alias);
}
$args['_'] = array_unique($args['_']);
}
unset($value, $target);
//------------------------------
// Demands
//------------------------------
if (is_numeric($this->demand)) {
if (count((array) @$args['_']) < $this->demand) {
$this->showError("It requires at least {$this->demand} args to run.");
die;
}
} else {
$missingKeys = array();
foreach ($this->demand as $key => $value) {
if (!isset($args[$key])) {
$missingKeys[] = $key;
}
}
if ($missingKeys) {
$this->showError("Missing required options: " . implode(', ', $missingKeys));
die;
}
}
//------------------------------
// Type-casting
//------------------------------
$args = Utility::flattenArray($args);
array_walk($args, function (&$value, $key) {
if (isset($this->types[$key])) {
if (!settype($value, $this->types[$key])) {
$this->showError("Unable to cast {$key} into type {$type}.");
die;
}
} elseif (is_numeric($value)) {
$value = doubleval($value);
}
});
$args += (array) $this->defaults;
return $this->result = Utility::unflattenArray($args);
}
