/**
* consume option value from current argument or from the next argument
*
* @return boolean next token consumed?
*/
protected function consumeOptionToken(Option $spec, $arg, $next, &$success = false)
{
// Check options doesn't require next token before
// all options that require values.
if ($spec->isFlag()) {
if ($spec->isIncremental()) {
$spec->increaseValue();
} else {
$spec->setValue(true);
}
return 0;
} else {
if ($spec->isRequired()) {
if ($next && !$next->isEmpty() && !$next->anyOfOptions($this->specs)) {
$spec->setValue($next->arg);
return 1;
} else {
throw new RequireValueException("Option '{$arg->getOptionName()}' requires a value.");
}
} else {
if ($spec->isMultiple()) {
if ($next && !$next->isEmpty() && !$next->anyOfOptions($this->specs)) {
$this->pushOptionValue($spec, $arg, $next);
return 1;
}
} else {
if ($spec->isOptional() && $next && !$next->isEmpty() && !$next->anyOfOptions($this->specs)) {
$spec->setValue($next->arg);
return 1;
}
}
}
}
return 0;
}
public function renderOptionValueHint(Option $opt, $assign = true)
{
$n = 'value';
if ($opt->valueName) {
$n = $opt->valueName;
} elseif ($opt->isa) {
$n = $opt->isa;
}
if ($opt->isRequired()) {
return sprintf('%s<%s>', $assign ? '=' : ' ', $this->formatter->format($n, 'underline'));
} elseif ($opt->isOptional()) {
return sprintf('%s[<%s>]', $assign ? '=' : ' ', $this->formatter->format($n, 'underline'));
}
return '';
}