예제 #1
0
파일: PlowCLI.php 프로젝트: firehed/plow
 /**
  * The main logic block for dispatching the CLI to the implementation
  * classes. Assuming it makes it all the way to the actual method cleanly,
  * its return code will be propagated up.  Otherwise, RuntimeExceptions exit
  * 1 (user error), LogicExceptions exit 2 (programmer error), and everything
  * else exits 3 (doom)
  *
  * @return int The intended exit status cide
  */
 public function run()
 {
     $trie = self::getCommandTrie();
     $class = Utilities::searchTrieFromArgv($trie, $this->argv);
     $cmd = new $class();
     $banner = $cmd->getBanner();
     try {
         $opt = new Getopt();
         $opt->addOptions($cmd->getOptions());
         $opt->addOptions(self::getDefaultOptions());
         if ($banner) {
             $opt->setBanner($banner . PHP_EOL);
         }
         $opt->parse(implode(' ', $this->argv));
     } catch (\UnexpectedValueException $e) {
         // Unexpected CLI arguments
         $this->console->exception($e);
         $this->console->writeLine($opt->getHelpText());
         return 1;
     } catch (\InvalidArgumentException $e) {
         // Command is broken - most likely duplicated arguments
         $this->console->exception($e);
         return 2;
     } catch (\Exception $e) {
         // Catch-all,
         $this->console->exception($e);
         return 3;
     }
     // Unfortunately we can't easily do this earlier. Native getopt() is
     // useless on all subcommands, and the class implementation screams
     // about unexpected values.
     $v = Utilities::parseVerbosity($opt['q'], $opt['v']);
     $this->console->setVerbosity($v);
     if ($opt['help']) {
         return $this->showHelp($cmd, $opt->getHelpText());
     }
     if ($opt['version']) {
         return $this->showVersion($cmd);
     }
     try {
         return $cmd->setOutput($this->console)->setOperands($opt->getOperands())->setOptionValues($opt->getOptions())->execute();
     } catch (\RuntimeException $e) {
         $this->console->exception($e);
         $this->console->writeLine($opt->getHelpText());
         return 1;
     } catch (\LogicException $e) {
         $this->console->exception($e);
         return 2;
     } catch (\Exception $e) {
         $this->console->exception($e);
         return 3;
     }
 }