Beispiel #1
0
 /**
  * 添加一个参数
  * @param Argument $argument 参数
  * @throws \LogicException
  */
 public function addArgument(Argument $argument)
 {
     if (isset($this->arguments[$argument->getName()])) {
         throw new \LogicException(sprintf('An argument with name "%s" already exists.', $argument->getName()));
     }
     if ($this->hasAnArrayArgument) {
         throw new \LogicException('Cannot add an argument after an array argument.');
     }
     if ($argument->isRequired() && $this->hasOptional) {
         throw new \LogicException('Cannot add a required argument after an optional one.');
     }
     if ($argument->isArray()) {
         $this->hasAnArrayArgument = true;
     }
     if ($argument->isRequired()) {
         ++$this->requiredCount;
     } else {
         $this->hasOptional = true;
     }
     $this->arguments[$argument->getName()] = $argument;
 }