Ouzo\Utilities\Extractor

Complexity

Total Complexity

10

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	1
Bugs	0	Features	1

<?php
class Extractor implements ArrayAccess
{
    private $_operations = array();

    public function __get($field)
    {
        $this->_operations[] = function ($input) use ($field) {
            return Objects::getValue($input, $field);
        };
        return $this;
    }

    public function __call($name, $arguments)
    {
        $this->_operations[] = function ($input) use ($name, $arguments) {
            return call_user_func_array(array($input, $name), $arguments);
        };
        return $this;
    }

    public function __invoke($input)
    {
        foreach ($this->_operations as $operation) {
            $input = $operation($input);
            if ($input === null) {
                return null;
            }
        }
        return $input;
    }

    public function offsetGet($offset)
    {
        $this->_operations[] = function ($input) use ($offset) {
            return isset($input[$offset]) ? $input[$offset] : null;
        };
        return $this;
    }

    public function offsetExists($offset)
    {
        throw new BadMethodCallException();
    }

    public function offsetSet($offset, $value)
    {
        throw new BadMethodCallException();
    }

    public function offsetUnset($offset)
    {
        throw new BadMethodCallException();
    }
}