Maslosoft Gazebo API

Namespaces

• Maslosoft
  • Gazebo
    • Exceptions
    • Storage

Classes

• ConfigContainer
• Gazebo
• PluginFactory
• PluginsContainer

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<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace Maslosoft\Gazebo;

use ArrayAccess;
use Countable;
use Iterator;
use Maslosoft\Addendum\Utilities\ClassChecker;
use Maslosoft\EmbeDi\EmbeDi;
use Maslosoft\Gazebo\Exceptions\GazeboException;

/**
 * PluginsContainer
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
class PluginsContainer implements ArrayAccess, Countable, Iterator
{

    /**
     * Values holder
     * @var mixed[]
     */
    private $_values = [];

    /**
     * DI container
     * @var EmbeDi
     */
    private $_di = null;

    /**
     * Create instance with optional configuration.
     * This also prevents setting bogus configuration keys.
     * This will unset all public properties and pass them thru get/set and allow array access.
     * @param mixed[] $config
     */
    public function __construct($config = [])
    {
        $this->_di = new EmbeDi();
        $this->apply($config);
    }

    /**
     * Apply configuration
     * @param mixed[] $config
     */
    public function apply($config)
    {
        foreach ((array)$config as $name => $value)
        {
            $this->offsetSet($name, $value);
        }
    }

    public function toArray()
    {
        return $this->_values;
    }

    public function has($name)
    {
        return ClassChecker::exists($name);
    }

// <editor-fold defaultstate="collapsed" desc="__* magic implementation">

    /**
     * This will be called instead of public getting properties.
     * @param string $name
     * @return mixed
     */
    public function __get($name)
    {
        return $this->offsetGet($name);
    }

    /**
     * This will be called instead of public setting properties.
     * @param string $name Configuration key value
     * @param mixed $value Configuration value
     * @return mixed
     */
    public function __set($name, $value)
    {
        $this->offsetSet($name, $value);
    }

    /**
     * Unset
     * @param string $name
     */
    public function __unset($name)
    {
        $this->offsetUnset($name);
    }

    /**
     * Isset
     * @param string $name
     * @return bool
     */
    public function __isset($name)
    {
        return $this->offsetExists($name);
    }

// </editor-fold>
// <editor-fold defaultstate="collapsed" desc="ArrayAccess implementation">

    public function offsetExists($name)
    {
        return array_key_exists($name, $this->_values);
    }

    public function offsetGet($name)
    {
        if (!$this->has($name))
        {
            throw new GazeboException("Class `$name` used as key does not exists. Tried to get value.");
        }
        return $this->_values[$name];
    }

    public function offsetSet($name, $value)
    {
        if (!$this->has($name))
        {
            throw new GazeboException("Class `$name` used as key does not exists. Tried to set value.");
        }
        foreach($value as $cfg)
        {
            if(is_array($cfg))
            {
                $className = $cfg[$this->_di->classField];
            }
            else
            {
                $className = $cfg;
            }
            if (!$this->has($className))
            {
                throw new GazeboException("Class `$className` used as value does not exists. Tried to set value.");
            }
        }
        return $this->_values[$name] = $value;
    }

    public function offsetUnset($name)
    {
        if (!$this->has($name))
        {
            throw new GazeboException("Configuration property `$name` does not exists. Tried to unset value.");
        }
        unset($this->_values[$name]);
    }

// </editor-fold>
// <editor-fold defaultstate="collapsed" desc="Countable implementation">

    public function count($mode = COUNT_NORMAL)
    {
        return count($this->_values, $mode);
    }

// </editor-fold>
// <editor-fold defaultstate="collapsed" desc="Iterator implementation">

    public function current()
    {
        return current($this->_values);
    }

    public function key()
    {
        return key($this->_values);
    }

    public function next()
    {
        return next($this->_values);
    }

    public function rewind()
    {
        return reset($this->_values);
    }

    public function valid()
    {
        return $this->has($this->key()) && $this->offsetExists($this->key());
    }

// </editor-fold>
}