<?php

class VigiloTest extends VigiloXml implements ArrayAccess

{

    protected $name;

    protected $args;

    public function __construct($name, array $args = array())

    {

        $this->name = $name;

        $this->args = array();

        foreach ($args as $arg => $value) {

            $this[$arg] = $value;

        }

    }

    public function offsetExists($offset)

    {

        $name = is_a($offset, 'VigiloArg') ? $offset->getName() : $offset;

        return isset($this->args[$name]);

    }

    public function offsetGet($offset)

    {

        $name = is_a($offset, 'VigiloArg') ? $offset->getName() : $offset;

        return isset($this->args[$name]) ? $this->args[$name] : null;

    }

    public function offsetSet($offset, $value)

    {

        if (is_string($offset)) {

            $value = new VigiloArg($offset, $value);

        }

        if (!is_a($value, 'VigiloArg')) {

            throw new \RuntimeException();

        }

        return $this->args[$value->getName()] = $value;

    }

    public function offsetUnset($offset)

    {

        $name = is_a($offset, 'VigiloArg') ? $offset->getName() : $offset;

        unset($this->args[$name]);

    }

    public function __toString()

    {

        return self::sprintf(

            '<test name="%s">%s</test>',

            $this->name,

            $this->args

        );

    }

}