AppserverIo\Doppelgaenger\Entities\Assertions\InstanceAssertion

Complexity

Total Complexity

7

Size/Duplication

Total Lines	83
Duplicated Lines	13.25 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	getString()	0	9	2
A	invert()	0	18	3
A	toCode()	11	11	1

<?php

/**
 * \AppserverIo\Doppelgaenger\Entities\Assertions\InstanceAssertion
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 *
 * PHP version 5
 *
 * @author    Bernhard Wick <bw@appserver.io>
 * @copyright 2015 TechDivision GmbH - <info@appserver.io>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/appserver-io/doppelgaenger
 * @link      http://www.appserver.io/
 */

namespace AppserverIo\Doppelgaenger\Entities\Assertions;

use AppserverIo\Doppelgaenger\Dictionaries\ReservedKeywords;

/**
 * This class is used to provide an object base way to pass assertions as e.g. a precondition.
 *
 * @author    Bernhard Wick <bw@appserver.io>
 * @copyright 2015 TechDivision GmbH - <info@appserver.io>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/appserver-io/doppelgaenger
 * @link      http://www.appserver.io/
 */
class InstanceAssertion extends AbstractAssertion
{
    /**
     * @var string $operand The operand we have to check
     */
    public $operand;

    /**
     * @var string $class The name of the class we have to check for
     */
    public $class;

    /**
     * Default constructor
     *
     * @param string $operand The operand we have to check
     * @param string $class   The name of the class we have to check for
     */
    public function __construct($operand, $class)
    {
        $this->operand = $operand;
        $this->class = $class;

        parent::__construct();
    }

    /**
     * Will return a string representation of this assertion
     *
     * @return string
     */
    public function getString()
    {
        // We need to add an initial backslash if there is none
        if (strpos($this->class, '\\') > 0) {
            $this->class = '\\' . $this->class;
        }

        return (string)$this->operand . ' instanceof ' . $this->class;
    }

    /**
     * Invert the logical meaning of this assertion
     *
     * @return bool
     */
    public function invert()
    {
        if ($this->inverted !== true) {
            $this->operand = '!' . $this->operand;
            $this->inverted = true;

            return true;

Blank line found at end of control structure

        } elseif ($this->inverted === true) {
            $this->operand = ltrim($this->operand, '!');
            $this->inverted = false;

            return true;

Blank line found at end of control structure

        } else {
            return false;
        }
    }

    /**
     * Return a string representation of the classes logic as a piece of PHP code.
     * Used to transfer important logic into generated code
     *
     * @return string
     */
    public function toCode()
    {
        return 'if ('. $this->getInvertString() .') {
                    ' . ReservedKeywords::FAILURE_VARIABLE . '[] = sprintf(
                        \'%s must be an instance of %s, %s found instead.\',
                        \'' . str_replace(ReservedKeywords::RESULT, 'The returned object', $this->operand) . '\',
                        \'' . $this->class . '\',
                        ' . $this->operand . ' === null ? \'null\' : get_class(' . $this->operand . ')
                    );
                }';
    }
}