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<?php
    /**
     * Cz CLI Console
     * @author Jan Pecha, <janpecha@email.cz>
     */

    namespace Cz\Cli\Parameters;
    use Cz\Cli\ParametersParseException;

    class DefaultParametersParser extends BaseParser
    {
        protected function parse(array $raw = NULL)
        {
            $parameters = NULL;

            // parsing
            $lastName = NULL;

            if(isset($raw[1]))      // count($raw) > 1
            {
                // remove argv[0]
                array_shift($raw);

                // parsing
                foreach($raw as $argument)
                {
                    if($argument{0} === '-')
                    {
                        $name = trim($argument, '-');
                        $lastName = $name;

                        if(!isset($parameters[$name]))
                        {
                            $parameters[$name] = TRUE;
                        }
                    }
                    elseif($lastName === NULL)
                    {
                        $parameters[] = $argument;
                        #throw new ParametersParseException("Bad argument '$argument'");
                    }
                    else
                    {
                        if($parameters[$lastName] === TRUE)
                        {
                            $parameters[$lastName] = $argument;
                        }
                        else    // string || array
                        {
                            if(is_string($parameters[$lastName]))
                            {
                                $parameters[$lastName] = array(
                                    $parameters[$lastName],
                                    $argument,
                                );
                            }
                            else
                            {
                                $parameters[$lastName][] = $argument;
                            }
                        }

                        $lastName = NULL;
                    }
                }
            }

            // after parsing
            $this->setParameters($parameters);
        }
    }