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Container::create()   A

Complexity

Conditions 2
Paths 2

Duplication

Lines 0
Ratio 0 %

Size

Total Lines 7
Code Lines 5

Code Coverage

Tests 4
CRAP Score 2.032

Importance

Changes 0
Metric Value
cc 2
eloc 5
nc 2
nop 1
dl 0
loc 7
ccs 4
cts 5
cp 0.8
crap 2.032
rs 9.4285
c 0
b 0
f 0
1
<?php
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namespace League\Plates\Util;
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final class Container
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{
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    private $boxes = [];
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    private $cached = [];
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    public static function create(array $defs) {
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        $c = new self();
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        foreach ($defs as $key => $val) {
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            $c->add($key, $val);
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        }
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        return $c;
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    }
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    public function add($id, $value) {
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        if (array_key_exists($id, $this->cached)) {
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            throw new \LogicException('Cannot add service after it has been frozen.');
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        }
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        $this->boxes[$id] = [$value, $value instanceof \Closure ? true : false];
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    }
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    public function addComposed($id, callable $define_composers) {
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        $this->add($id, function($c) use ($id) {
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            return compose(...array_values($c->get($id . '.composers')));
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        });
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        $this->add($id . '.composers', $define_composers);
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    }
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    public function wrapComposed($id, callable $wrapped) {
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        $this->wrap($id . '.composers', $wrapped);
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    }
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    public function addStack($id, callable $define_stack) {
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        $this->add($id, function($c) use ($id) {
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            return stack($c->get($id . '.stack'));
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        });
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        $this->add($id . '.stack', $define_stack);
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    }
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    public function wrapStack($id, callable $wrapped) {
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        $this->wrap($id . '.stack', $wrapped);
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    }
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    public function merge($id, array $values) {
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        $old = $this->get($id);
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        $this->add($id, array_merge($old, $values));
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    }
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    public function wrap($id, $wrapper) {
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        if (!$this->has($id)) {
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            throw new \LogicException('Cannot wrap service ' . $id . ' that does not exist.');
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        }
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        $box = $this->boxes[$id];
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        $this->boxes[$id] = [function($c) use ($box, $wrapper) {
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            return $wrapper($this->unbox($box, $c), $c);
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        }, true];
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    }
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    public function get($id) {
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        if (array_key_exists($id, $this->cached)) {
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            return $this->cached[$id];
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        }
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        if (!$this->has($id)) {
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            throw new \LogicException('Cannot retrieve service ' . $id . ' that does exist.');
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        }
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        $result = $this->unbox($this->boxes[$id], $this);
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        if ($this->boxes[$id][1]) { // only cache services
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            $this->cached[$id] = $result;
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        }
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        return $result;
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    }
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    public function has($id) {
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        return array_key_exists($id, $this->boxes);
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    }
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    private function unbox($box, Container $c) {
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        list($value, $is_factory) = $box;
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        if (!$is_factory) {
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            return $value;
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        }
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        return $value($c);
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    }
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}
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