Store::data_get() - Code Metrics - Inspection of "complex key" - Chekote/noun-store - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — 3.0 (#35)

by Rashid

created 2019-08-13 13:52 UTC

Store::data_get() B

↳ Parent: Store

Complexity

Conditions	8
Paths	8

Size

Total Lines	24
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	16
c	1
b	0
f	0
dl	0
loc	24
rs	8.4444
cc	8
nc	8
nop	3

<?php namespace Chekote\NounStore;

use ArrayAccess;
use Closure;
use InvalidArgumentException;

class Store
{
    /** @var Key */
    protected $keyService;

    /** @var array */
    protected $nouns;

    /**
     * @param Key $keyService the key service to use for parsing and building keys
     * @codeCoverageIgnore
     */
    public function __construct(Key $keyService = null)
    {
        $this->keyService = $keyService ?: Key::getInstance();
    }

    /**
     * Removes all entries from the store.
     *
     * @return void
     */
    public function reset()
    {
        $this->nouns = [];
    }

    /**
     * Retrieves a value for the specified key.
     *
     * Each key is actually a collection. If you do not specify which item in the collection you want,
     * the method will return the most recent entry. You can optionally specify the entry you want by
     * using the plain english 1st, 2nd, 3rd etc in the $key param. For example:
     *
     * Retrieve the most recent entry "Thing" collection:
     *   retrieve("Thing")
     *
     * Retrieve the 1st entry in the "Thing" collection:
     *   retrieve("1st Thing")
     *
     * Retrieve the 3rd entry in the "Thing" collection:
     *   retrieve("3rd Thing")
     *
     * @see    Key::build()
     * @see    Key::parse()
     * @param  string                   $key The key to retrieve the value for. Supports nth notation.
     * @throws InvalidArgumentException if the key syntax is invalid.
     * @return mixed                    The value, or null if no value exists for the specified key/index combination.
     */
    public function get($key)
    {
        if (!$this->keyExists($key)) {
            return;
        }

        list($key, $index) = $this->keyService->parse($key);
        if ($this->plainKeyExists($key)) {
            return $index !== null ? $this->nouns[$key][$index] : end($this->nouns[$key]);
        }

        // Complex key
        list($base_key, $child_keys) = $this->keyService->parseNested($key);
        if (!$this->plainKeyExists($base_key)) {
            return;
        }

        return $index
            ? $this->data_get($this->nouns[$base_key][$index - 1], $child_keys)
            : $this->data_get(end($this->nouns[$base_key]), $child_keys);
    }

    /**
     * Retrieves all values for the specified key.
     *
     * @param  string $key The key to retrieve the values for. Does not support nth notation.
     * @return array  The values, or an empty array if no value exists for the specified key.
     */
    public function getAll($key)
    {
        return isset($this->nouns[$key]) ? $this->nouns[$key] : [];
    }

    /**
     * Determines if a value has been stored for the specified key.
     *
     * @see    Key::build()
     * @see    Key::parse()
     * @param  string                   $key The key to check. Supports nth notation.
     * @throws InvalidArgumentException if the key syntax is invalid.
     * @return bool                     True if the a value has been stored, false if not.
     */
    public function keyExists($key)
    {
        list($key, $index) = $this->keyService->parse($key);
        list($base_key, $unused) = $this->keyService->parseNested($key);

        return $index
            ? (isset($this->nouns[$key][$index]) || isset($this->nouns[$key][$index]))
            : (isset($this->nouns[$key]) || isset($this->nouns[$base_key]));
    }

    /**
     * Determines if a value has been stored for the specified key.
     *
     * @see    Key::build()
     * @see    Key::parse()
     * @param  string                   $key The key to check. Supports nth notation.
     * @throws InvalidArgumentException if the key syntax is invalid.
     * @return bool                     True if the a value has been stored, false if not.
     */
    public function plainKeyExists($key)
    {
        list($key, $index) = $this->keyService->parse($key);

        return $index ? isset($this->nouns[$key][$index]) : isset($this->nouns[$key]);
    }

    /**
     * Asserts that the key's value contains the specified string.
     *
     * @see    Key::build()
     * @see    Key::parse()
     * @param  string                   $key   The key to check.
     * @param  string                   $value The value expected to be contained within the key's value.
     * @throws InvalidArgumentException if the key syntax is invalid.
     * @return bool                     True if the key's value contains the specified string, false if not.
     */
    public function keyValueContains($key, $value)
    {
        $actual = $this->get($key);

        return is_string($actual) && strpos($actual, $value) !== false;
    }

    /**
     * Stores a value for the specified key.
     *
     * The specified value is added to the top of the "stack" for the specified key.
     *
     * @param string $key   The key to store the value under. Does not support nth notation.
     * @param mixed  $value The value to store.
     */
    public function set($key, $value)
    {
        $this->nouns[$key][] = $value;
    }

    /**
     * Retrieves a value from a nested array or object using array list.
     * (Modified version of data_get() laravel > 5.6).
     *
     * @param  mixed    $target    The target element
     * @param  string[] $key_parts List of nested values
     * @param  mixed    $default   If value doesn't exists
     * @return mixed
     */
    public function data_get($target, array $key_parts, $default = null)
    {
        foreach ($key_parts as $segment) {
            if (is_array($target)) {
                if (!array_key_exists($segment, $target)) {
                    return $this->closureValue($default);
                }
                $target = $target[$segment];
            } elseif ($target instanceof ArrayAccess) {
                if (!isset($target[$segment])) {
                    return $this->closureValue($default);
                }
                $target = $target[$segment];
            } elseif (is_object($target)) {
                if (!isset($target->{$segment})) {
                    return $this->closureValue($default);
                }
                $target = $target->{$segment};
            } else {
                return $this->closureValue($default);
            }
        }

        return $target;
    }

    /**
     * Returns value itself or Closure will be executed and return result.
     *
     * @param  string $value Closure to be evaluated
     * @return mixed  Result of the Closure function or $value itself
     */
    public function closureValue($value)
    {
        return $value instanceof Closure ? $value() : $value;

    }
}


1			<?php namespace Chekote\NounStore;
2
3			use ArrayAccess;
4			use Closure;
5			use InvalidArgumentException;
6
7			class Store
8			{
9			/** @var Key */
10			protected $keyService;
11
12			/** @var array */
13			protected $nouns;
14
15			/**
16			* @param Key $keyService the key service to use for parsing and building keys
17			* @codeCoverageIgnore
18			*/
19			public function __construct(Key $keyService = null)
20			{
21			$this->keyService = $keyService ?: Key::getInstance();
22			}
23
24			/**
25			* Removes all entries from the store.
26			*
27			* @return void
28			*/
29			public function reset()
30			{
31			$this->nouns = [];
32			}
33
34			/**
35			* Retrieves a value for the specified key.
36			*
37			* Each key is actually a collection. If you do not specify which item in the collection you want,
38			* the method will return the most recent entry. You can optionally specify the entry you want by
39			* using the plain english 1st, 2nd, 3rd etc in the $key param. For example:
40			*
41			* Retrieve the most recent entry "Thing" collection:
42			* retrieve("Thing")
43			*
44			* Retrieve the 1st entry in the "Thing" collection:
45			* retrieve("1st Thing")
46			*
47			* Retrieve the 3rd entry in the "Thing" collection:
48			* retrieve("3rd Thing")
49			*
50			* @see Key::build()
51			* @see Key::parse()
52			* @param string $key The key to retrieve the value for. Supports nth notation.
53			* @throws InvalidArgumentException if the key syntax is invalid.
54			* @return mixed The value, or null if no value exists for the specified key/index combination.
55			*/
56			public function get($key)
57			{
58			if (!$this->keyExists($key)) {
59			return;
60			}
61
62			list($key, $index) = $this->keyService->parse($key);
63			if ($this->plainKeyExists($key)) {
64			return $index !== null ? $this->nouns[$key][$index] : end($this->nouns[$key]);
65			}
66
67			// Complex key
68			list($base_key, $child_keys) = $this->keyService->parseNested($key);
69			if (!$this->plainKeyExists($base_key)) {
70			return;
71			}
72
73			return $index
74			? $this->data_get($this->nouns[$base_key][$index - 1], $child_keys)
75			: $this->data_get(end($this->nouns[$base_key]), $child_keys);
76			}
77
78			/**
79			* Retrieves all values for the specified key.
80			*
81			* @param string $key The key to retrieve the values for. Does not support nth notation.
82			* @return array The values, or an empty array if no value exists for the specified key.
83			*/
84			public function getAll($key)
85			{
86			return isset($this->nouns[$key]) ? $this->nouns[$key] : [];
87			}
88
89			/**
90			* Determines if a value has been stored for the specified key.
91			*
92			* @see Key::build()
93			* @see Key::parse()
94			* @param string $key The key to check. Supports nth notation.
95			* @throws InvalidArgumentException if the key syntax is invalid.
96			* @return bool True if the a value has been stored, false if not.
97			*/
98			public function keyExists($key)
99			{
100			list($key, $index) = $this->keyService->parse($key);
101			list($base_key, $unused) = $this->keyService->parseNested($key);
102
103			return $index
104			? (isset($this->nouns[$key][$index]) \|\| isset($this->nouns[$key][$index]))
105			: (isset($this->nouns[$key]) \|\| isset($this->nouns[$base_key]));
106			}
107
108			/**
109			* Determines if a value has been stored for the specified key.
110			*
111			* @see Key::build()
112			* @see Key::parse()
113			* @param string $key The key to check. Supports nth notation.
114			* @throws InvalidArgumentException if the key syntax is invalid.
115			* @return bool True if the a value has been stored, false if not.
116			*/
117			public function plainKeyExists($key)
118			{
119			list($key, $index) = $this->keyService->parse($key);
120
121			return $index ? isset($this->nouns[$key][$index]) : isset($this->nouns[$key]);
122			}
123
124			/**
125			* Asserts that the key's value contains the specified string.
126			*
127			* @see Key::build()
128			* @see Key::parse()
129			* @param string $key The key to check.
130			* @param string $value The value expected to be contained within the key's value.
131			* @throws InvalidArgumentException if the key syntax is invalid.
132			* @return bool True if the key's value contains the specified string, false if not.
133			*/
134			public function keyValueContains($key, $value)
135			{
136			$actual = $this->get($key);
137
138			return is_string($actual) && strpos($actual, $value) !== false;
139			}
140
141			/**
142			* Stores a value for the specified key.
143			*
144			* The specified value is added to the top of the "stack" for the specified key.
145			*
146			* @param string $key The key to store the value under. Does not support nth notation.
147			* @param mixed $value The value to store.
148			*/
149			public function set($key, $value)
150			{
151			$this->nouns[$key][] = $value;
152			}
153
154			/**
155			* Retrieves a value from a nested array or object using array list.
156			* (Modified version of data_get() laravel > 5.6).
157			*
158			* @param mixed $target The target element
159			* @param string[] $key_parts List of nested values
160			* @param mixed $default If value doesn't exists
161			* @return mixed
162			*/
163			public function data_get($target, array $key_parts, $default = null)
164			{
165			foreach ($key_parts as $segment) {
166			if (is_array($target)) {
167			if (!array_key_exists($segment, $target)) {
168			return $this->closureValue($default);
169			}
170			$target = $target[$segment];
171			} elseif ($target instanceof ArrayAccess) {
172			if (!isset($target[$segment])) {
173			return $this->closureValue($default);
174			}
175			$target = $target[$segment];
176			} elseif (is_object($target)) {
177			if (!isset($target->{$segment})) {
178			return $this->closureValue($default);
179			}
180			$target = $target->{$segment};
181			} else {
182			return $this->closureValue($default);
183			}
184			}
185
186			return $target;
187			}
188
189			/**
190			* Returns value itself or Closure will be executed and return result.
191			*
192			* @param string $value Closure to be evaluated
193			* @return mixed Result of the Closure function or $value itself
194			*/
195			public function closureValue($value)
196			{
197			return $value instanceof Closure ? $value() : $value;
			0 ignored issues – show introduced 2019-08-13 13:54 UTC by Report Bug Copy Issue Report `$value` is never a sub-type of `Closure`. Loading history...
198			}
199			}
200

Chekote / noun-store

Pull Request — 3.0 (#35)

Store::data_get() B

Complexity

Size

Duplication

Importance

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