Map::keys() - Code Metrics - Inspection of "add missing calls to trigger_error in deprecated c..." - Innmind/Immutable - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( cad621...d8b57f )

by Baptiste

created 2017-02-04 17:20 UTC

Map::keys() A

↳ Parent: Map

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0
crap	1

<?php
declare(strict_types = 1);

namespace Innmind\Immutable;

use Innmind\Immutable\{
    Exception\InvalidArgumentException,
    Exception\LogicException,
    Exception\ElementNotFoundException,
    Exception\GroupEmptyMapException
};

class Map implements MapInterface
{
    use Type;

    private $keyType;
    private $valueType;
    private $keySpec;
    private $valueSpec;
    private $keys;
    private $values;
    private $pairs;

    public function __construct(string $keyType, string $valueType)
    {
        $this->keySpec = $this->getSpecFor($keyType);
        $this->valueSpec = $this->getSpecFor($valueType);
        $this->keyType = new StringPrimitive($keyType);

        $this->valueType = new StringPrimitive($valueType);

        $this->keys = new Sequence;
        $this->values = new Sequence;
        $this->pairs = new Sequence;
    }

    /**
     * {@inheritdoc}
     */
    public function keyType(): StringPrimitive
    {
        return $this->keyType;
    }

    /**
     * {@inheritdoc}
     */
    public function valueType(): StringPrimitive
    {
        return $this->valueType;
    }

    /**
     * {@inheritdoc}
     */
    public function size(): int
    {
        return $this->keys->size();
    }

    /**
     * {@inheritdoc}
     */
    public function count(): int
    {
        return $this->keys->count();
    }

    /**
     * {@inheritdoc}
     */
    public function current()
    {
        return $this->values->current();
    }

    /**
     * {@inheritdoc}
     */
    public function key()
    {
        return $this->keys->current();
    }

    /**
     * {@inheritdoc}
     */
    public function next()
    {
        $this->keys->next();
        $this->values->next();
        $this->pairs->next();
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        $this->keys->rewind();
        $this->values->rewind();
        $this->pairs->rewind();
    }

    /**
     * {@inheritdoc}
     */
    public function valid()
    {
        return $this->keys->valid();
    }

    /**
     * {@inheritdoc}
     */
    public function offsetExists($offset): bool
    {
        return $this->keys->contains($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetGet($offset)
    {
        return $this->get($offset);
    }

    /**
     * {@inheritdoc}
     */
    public function offsetSet($offset, $value)
    {
        throw new LogicException('You can\'t modify a map');
    }

    /**
     * {@inheritdoc}
     */
    public function offsetUnset($offset)
    {
        throw new LogicException('You can\'t modify a map');
    }

    /**
     * {@inheritdoc}
     */
    public function put($key, $value): MapInterface
    {
        $this->keySpec->validate($key);
        $this->valueSpec->validate($value);

        $map = clone $this;

        if ($this->keys->contains($key)) {
            $index = $this->keys->indexOf($key);
            $map->values = (new Sequence)
                ->append($this->values->take($index))
                ->add($value)
                ->append($this->values->drop($index + 1));
            $map->pairs = (new Sequence)
                ->append($this->pairs->take($index))
                ->add(new Pair($key, $value))
                ->append($this->pairs->drop($index + 1));
        } else {
            $map->keys = $this->keys->add($key);
            $map->values = $this->values->add($value);
            $map->pairs = $this->pairs->add(new Pair($key, $value));
        }

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function get($key)
    {
        if (!$this->keys->contains($key)) {
            throw new ElementNotFoundException;
        }

        return $this->values->get(
            $this->keys->indexOf($key)
        );
    }

    /**
     * {@inheritdoc}
     */
    public function contains($key): bool
    {
        return $this->keys->contains($key);
    }

    /**
     * {@inheritdoc}
     */
    public function drop(int $size): MapInterface

    {
        $map = clone $this;
        $map->keys = $this->keys->drop($size);
        $map->values = $this->values->drop($size);
        $map->pairs = $this->pairs->drop($size);

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function dropEnd(int $size): MapInterface

    {
        $map = clone $this;
        $map->keys = $this->keys->dropEnd($size);
        $map->values = $this->values->dropEnd($size);
        $map->pairs = $this->pairs->dropEnd($size);

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function clear(): MapInterface
    {
        $map = clone $this;
        $map->keys = new Sequence;
        $map->values = new Sequence;
        $map->pairs = new Sequence;

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function equals(MapInterface $map): bool
    {
        if (!$map->keys()->equals($this->keys())) {
            return false;
        }

        return $map->values()->equals($this->values());
    }

    /**
     * {@inheritdoc}
     */
    public function filter(callable $predicate): MapInterface
    {
        $map = $this->clear();

        foreach ($this->pairs as $pair) {
            if ($predicate($pair->key(), $pair->value()) === true) {
                $map->keys = $map->keys->add($pair->key());
                $map->values = $map->values->add($pair->value());
                $map->pairs = $map->pairs->add($pair);
            }
        }

        return $map;
    }

    /**
     * {@inheritdoc}
     */
    public function foreach(callable $function): MapInterface
    {
        foreach ($this->pairs as $pair) {
            $function($pair->key(), $pair->value());
        }

        return $this;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function groupBy(callable $discriminator): MapInterface
    {
        if ($this->size() === 0) {
            throw new GroupEmptyMapException;
        }

        $map = null;

        foreach ($this->pairs as $pair) {
            $key = $discriminator($pair->key(), $pair->value());

            if ($map === null) {
                $type = gettype($key);
                $map = new self(
                    $type === 'object' ? get_class($key) : $type,
                    SequenceInterface::class
                );
            }

            if ($map->contains($key)) {
                $map = $map->put(
                    $key,
                    $map->get($key)->add($pair)
                );
            } else {
                $map = $map->put($key, new Sequence($pair));
            }
        }

        return $map;
    }

    /**
     * {@inheritdoc}
     */
    public function first(): Pair
    {
        return $this->pairs->first();
    }

    /**
     * {@inheritdoc}
     */
    public function last(): Pair
    {
        return $this->pairs->last();
    }

    /**
     * {@inheritdoc}
     */
    public function keys(): SequenceInterface
    {
        return $this->keys;
    }

    /**
     * {@inheritdoc}
     */
    public function values(): SequenceInterface
    {
        return $this->values;
    }

    /**
     * {@inheritdoc}
     */
    public function map(callable $function): MapInterface
    {
        $map = $this->clear();

        foreach ($this->pairs as $pair) {
            $return = $function(
                $pair->key(),
                $pair->value()
            );

            if ($return instanceof Pair) {
                $key = $return->key();
                $value = $return->value();
            } else {
                $key = $pair->key();
                $value = $return;
            }

            $map = $map->put($key, $value);
        }

        return $map;
    }

    /**
     * {@inheritdoc}
     */
    public function take(int $size): MapInterface

    {
        $map = clone $this;
        $map->keys = $this->keys->take($size);
        $map->values = $this->values->take($size);
        $map->pairs = $this->pairs->take($size);

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function takeEnd(int $size): MapInterface

    {
        $map = clone $this;
        $map->keys = $this->keys->takeEnd($size);
        $map->values = $this->values->takeEnd($size);
        $map->pairs = $this->pairs->takeEnd($size);

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function join(string $separator): StringPrimitive
    {
        return $this->values->join($separator);
    }

    /**
     * {@inheritdoc}
     */
    public function remove($key): MapInterface
    {
        if (!$this->contains($key)) {
            return $this;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
        }

        $index = $this->keys->indexOf($key);
        $map = clone $this;
        $map->keys = $this
            ->keys
            ->slice(0, $index)
            ->append($this->keys->slice($index + 1, $this->keys->size()));
        $map->values = $this
            ->values
            ->slice(0, $index)
            ->append($this->values->slice($index + 1, $this->values->size()));
        $map->pairs = $this
            ->pairs
            ->slice(0, $index)
            ->append($this->pairs->slice($index + 1, $this->pairs->size()));

        return $map;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }

    /**
     * {@inheritdoc}
     */
    public function merge(MapInterface $map): MapInterface
    {
        if (
            !$this->keyType()->equals($map->keyType()) ||
            !$this->valueType()->equals($map->valueType())
        ) {
            throw new InvalidArgumentException(
                'The 2 maps does not reference the same types'
            );
        }

        return $map->reduce(
            clone $this,
            function(self $carry, $key, $value): self {
                return $carry->put($key, $value);
            }
        );
    }

    /**
     * {@inheritdoc}
     */
    public function partition(callable $predicate): MapInterface
    {
        $truthy = $this->clear();
        $falsy = $this->clear();

        foreach ($this->pairs as $pair) {
            $return = $predicate(
                $pair->key(),
                $pair->value()
            );

            if ($return === true) {
                $truthy = $truthy->put($pair->key(), $pair->value());
            } else {
                $falsy = $falsy->put($pair->key(), $pair->value());
            }
        }

        return (new self('bool', MapInterface::class))
            ->put(true, $truthy)
            ->put(false, $falsy);
    }

    /**
     * {@inheritdoc}
     */
    public function reduce($carry, callable $reducer)
    {
        foreach ($this->pairs as $pair) {
            $carry = $reducer($carry, $pair->key(), $pair->value());
        }

        return $carry;
    }
}


1		<?php
2		declare(strict_types = 1);
3
4		namespace Innmind\Immutable;
5
6		use Innmind\Immutable\{
7		Exception\InvalidArgumentException,
8		Exception\LogicException,
9		Exception\ElementNotFoundException,
10		Exception\GroupEmptyMapException
11		};
12
13		class Map implements MapInterface
14		{
15		use Type;
16
17		private $keyType;
18		private $valueType;
19		private $keySpec;
20		private $valueSpec;
21		private $keys;
22		private $values;
23		private $pairs;
24
25	44	public function __construct(string $keyType, string $valueType)
26		{
27	44	$this->keySpec = $this->getSpecFor($keyType);
28	44	$this->valueSpec = $this->getSpecFor($valueType);
29	44	$this->keyType = new StringPrimitive($keyType);
		0 ignored issues – show Deprecated Code introduced 2017-02-04 17:24 UTC by Report Bug Copy Issue Report The class `Innmind\Immutable\StringPrimitive` has been deprecated with message: To be removed in 2.0 This class, trait or interface has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the type will be removed from the class and what other constant to use instead. Loading history...
30	44	$this->valueType = new StringPrimitive($valueType);
		0 ignored issues – show Deprecated Code introduced 2017-02-04 17:24 UTC by Report Bug Copy Issue Report The class `Innmind\Immutable\StringPrimitive` has been deprecated with message: To be removed in 2.0 This class, trait or interface has been deprecated. The supplier of the file has supplied an explanatory message. The explanatory message should give you some clue as to whether and when the type will be removed from the class and what other constant to use instead. Loading history...
31	44	$this->keys = new Sequence;
32	44	$this->values = new Sequence;
33	44	$this->pairs = new Sequence;
34	44	}
35
36		/**
37		* {@inheritdoc}
38		*/

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Map::keys() A

Complexity

Size

Duplication

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