AbstractConfig::reduceToSubKey() - Code Metrics - Inspection of "Generate coverage with PHPUnit" - brightnucleus/config - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — main (078a91)

by Alain

created 2023-12-14 15:18 UTC

AbstractConfig::reduceToSubKey() A

↳ Parent: AbstractConfig

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
c	0
b	0
f	0
nc	1
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php
/**
 * Bright Nucleus Config Component.
 *
 * @package   BrightNucleus\Config
 * @author    Alain Schlesser <[email protected]>
 * @license   MIT
 * @link      http://www.brightnucleus.com/
 * @copyright 2016-2017 Alain Schlesser, Bright Nucleus
 */

namespace BrightNucleus\Config;

use ArrayObject;
use BrightNucleus\Config\Exception\KeyNotFoundException;
use Exception;

/**
 * Handles basic manipulation of configuration values.
 *
 * @since      0.1.0
 *
 * @package    BrightNucleus\Config
 * @author     Alain Schlesser <[email protected]>
 */
abstract class AbstractConfig extends ArrayObject implements ConfigInterface
{

    /**
     * Array of strings that are used as delimiters to parse configuration keys.
     *
     * @since 0.1.6
     *
     * @var array
     */
    protected $delimiter = ['\\', '/', '.'];

    /**
     * Instantiate the AbstractConfig object.
     *
     * @since 0.1.0
     * @since 0.1.6 Accepts a delimiter to parse configuration keys.
     *
     * @param array                $config    Array with settings.
     * @param string[]|string|null $delimiter A string or array of strings that are used as delimiters to parse
     *                                        configuration keys. Defaults to "\", "/" & ".".
     */
    public function __construct(array $config, $delimiter = null)
    {
        // Make sure the config entries can be accessed as properties.
        parent::__construct($config, ArrayObject::ARRAY_AS_PROPS);

        if (null !== $delimiter) {
            $this->delimiter = (array)$delimiter;
        }
    }

    /**
     * Get the value of a specific key.
     *
     * To get a value several levels deep, add the keys for each level as a comma-separated list.
     *
     * @since 0.1.0
     * @since 0.1.4 Accepts list of keys.
     *
     * @param string|array $_ List of keys.
     *
     * @return mixed
     * @throws KeyNotFoundException If an unknown key is requested.
     */
    public function getKey($_)
    {
        $keys = $this->validateKeys(func_get_args());

        $keys  = array_reverse($keys);
        $array = $this->getArrayCopy();
        while (count($keys) > 0) {
            $key   = array_pop($keys);
            $array = $array[$key];
        }

        return $array;
    }

    /**
     * Check whether the Config has a specific key.
     *
     * To check a value several levels deep, add the keys for each level as a comma-separated list.
     *
     * @since 0.1.0
     * @since 0.1.4 Accepts list of keys.
     *
     * @param string|array $_ List of keys.
     *
     * @return bool
     */
    public function hasKey($_)
    {
        try {
            $keys = array_reverse($this->getKeyArguments(func_get_args()));

            $array = $this->getArrayCopy();
            while (count($keys) > 0) {
                $key = array_pop($keys);
                if (! array_key_exists($key, $array)) {
                    return false;
                }
                $array = $array[$key];
            }
        } catch (Exception $exception) {
            return false;
        }

        return true;
    }

    /**
     * Get a (multi-dimensional) array of all the configuration settings.
     *
     * @since 0.1.4
     *
     * @return array
     */
    public function getAll()
    {
        return $this->getArrayCopy();
    }

    /**
     * Get the an array with all the keys
     *
     * @since 0.1.0
     * @return array
     */
    public function getKeys()
    {
        return array_keys((array)$this);
    }

    /**
     * Get a new config at a specific sub-level.
     *
     * @since 0.1.13
     *
     * @param string|array $_ List of keys.
     *
     * @return ConfigInterface
     * @throws KeyNotFoundException If an unknown key is requested.
     */
    public function getSubConfig($_)
    {
        $keys = $this->validateKeys(func_get_args());

        $subConfig = clone $this;
        $subConfig->reduceToSubKey($keys);

        return $subConfig;
    }

    /**
     * Validate a set of keys to make sure they exist.
     *
     * @since 0.1.13
     *
     * @param string|array $_ List of keys.
     *
     * @return array List of keys.
     * @throws KeyNotFoundException If an unknown key is requested.
     */
    public function validateKeys($_)
    {
        $keys = $this->getKeyArguments(func_get_args());

        if (! $this->hasKey($keys)) {
            throw new KeyNotFoundException(
                sprintf(
                    _('The configuration key %1$s does not exist.'),
                    implode('->', $keys)
                )
            );
        }

        return $keys;
    }

    /**
     * Reduce the currently stored config array to a subarray at a specific level.
     *
     * @since 0.1.13
     *
     * @param array $keys Array of keys that point to a key down in the hierarchy.
     */
    protected function reduceToSubKey(array $keys)
    {
        $this->exchangeArray($this->getKey($keys));
    }

    /**
     * Recursively extract the configuration key arguments from an arbitrary array.
     *
     * @since 0.1.6
     *
     * @param array $arguments Array as fetched through get_func_args().
     *
     * @return array Array of strings.
     */
    protected function getKeyArguments($arguments)
    {
        $keys = [];
        foreach ($arguments as $argument) {
            if (is_array($argument)) {
                $keys = array_merge($keys, $this->getKeyArguments($argument));
            }
            if (is_string($argument)) {
                $keys = array_merge($keys, $this->parseKeysString($argument));
            }
        }

        return $keys;
    }

    /**
     * Extract individual keys from a delimited string.
     *
     * @since 0.1.6
     *
     * @param string $keyString Delimited string of keys.
     *
     * @return array Array of key strings.
     */
    protected function parseKeysString($keyString)
    {
        // Replace all of the configured delimiters by the first one, so that we can then use explode().
        $normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);

        return (array)explode($this->delimiter[0], $normalizedString);
    }

    /**
     * Validate the Config file.
     *
     * @since  0.1.0
     * @return boolean
     */
    abstract public function isValid();
}


1		<?php
2		/**
3		* Bright Nucleus Config Component.
4		*
5		* @package BrightNucleus\Config
6		* @author Alain Schlesser <[email protected]>
7		* @license MIT
8		* @link http://www.brightnucleus.com/
9		* @copyright 2016-2017 Alain Schlesser, Bright Nucleus
10		*/
11
12		namespace BrightNucleus\Config;
13
14		use ArrayObject;
15		use BrightNucleus\Config\Exception\KeyNotFoundException;
16		use Exception;
17
18		/**
19		* Handles basic manipulation of configuration values.
20		*
21		* @since 0.1.0
22		*
23		* @package BrightNucleus\Config
24		* @author Alain Schlesser <[email protected]>
25		*/
26		abstract class AbstractConfig extends ArrayObject implements ConfigInterface
27		{
28
29		/**
30		* Array of strings that are used as delimiters to parse configuration keys.
31		*
32		* @since 0.1.6
33		*
34		* @var array
35		*/
36		protected $delimiter = ['\\', '/', '.'];
37
38		/**
39		* Instantiate the AbstractConfig object.
40		*
41		* @since 0.1.0
42		* @since 0.1.6 Accepts a delimiter to parse configuration keys.
43		*
44		* @param array $config Array with settings.
45		* @param string[]\|string\|null $delimiter A string or array of strings that are used as delimiters to parse
46		* configuration keys. Defaults to "\", "/" & ".".
47		*/
48	5	public function __construct(array $config, $delimiter = null)
49		{
50		// Make sure the config entries can be accessed as properties.
51	5	parent::__construct($config, ArrayObject::ARRAY_AS_PROPS);
52
53	5	if (null !== $delimiter) {
54	1	$this->delimiter = (array)$delimiter;
55		}
56	5	}
57
58		/**
59		* Get the value of a specific key.
60		*
61		* To get a value several levels deep, add the keys for each level as a comma-separated list.
62		*
63		* @since 0.1.0
64		* @since 0.1.4 Accepts list of keys.
65		*
66		* @param string\|array $_ List of keys.
67		*
68		* @return mixed
69		* @throws KeyNotFoundException If an unknown key is requested.
70		*/
71	4	public function getKey($_)
72		{
73	4	$keys = $this->validateKeys(func_get_args());
74
75	4	$keys = array_reverse($keys);
76	4	$array = $this->getArrayCopy();
77	4	while (count($keys) > 0) {
78	4	$key = array_pop($keys);
79	4	$array = $array[$key];
80		}
81
82	4	return $array;
83		}
84
85		/**
86		* Check whether the Config has a specific key.
87		*
88		* To check a value several levels deep, add the keys for each level as a comma-separated list.
89		*
90		* @since 0.1.0
91		* @since 0.1.4 Accepts list of keys.
92		*
93		* @param string\|array $_ List of keys.
94		*
95		* @return bool
96		*/
97	5	public function hasKey($_)
98		{
99		try {
100	5	$keys = array_reverse($this->getKeyArguments(func_get_args()));
101
102	5	$array = $this->getArrayCopy();
103	5	while (count($keys) > 0) {
104	5	$key = array_pop($keys);
105	5	if (! array_key_exists($key, $array)) {
106	3	return false;
107		}
108	5	$array = $array[$key];
109		}
110		} catch (Exception $exception) {
111		return false;
112		}
113
114	5	return true;
115		}
116
117		/**
118		* Get a (multi-dimensional) array of all the configuration settings.
119		*
120		* @since 0.1.4
121		*
122		* @return array
123		*/
124	1	public function getAll()
125		{
126	1	return $this->getArrayCopy();
127		}
128
129		/**
130		* Get the an array with all the keys
131		*
132		* @since 0.1.0
133		* @return array
134		*/
135	1	public function getKeys()
136		{
137	1	return array_keys((array)$this);
138		}
139
140		/**
141		* Get a new config at a specific sub-level.
142		*
143		* @since 0.1.13
144		*
145		* @param string\|array $_ List of keys.
146		*
147		* @return ConfigInterface
148		* @throws KeyNotFoundException If an unknown key is requested.
149		*/
150	1	public function getSubConfig($_)
151		{
152	1	$keys = $this->validateKeys(func_get_args());
153
154	1	$subConfig = clone $this;
155	1	$subConfig->reduceToSubKey($keys);
156
157	1	return $subConfig;
158		}
159
160		/**
161		* Validate a set of keys to make sure they exist.
162		*
163		* @since 0.1.13
164		*
165		* @param string\|array $_ List of keys.
166		*
167		* @return array List of keys.
168		* @throws KeyNotFoundException If an unknown key is requested.
169		*/
170	2	public function validateKeys($_)
171		{
172	2	$keys = $this->getKeyArguments(func_get_args());
173
174	2	if (! $this->hasKey($keys)) {
175	1	throw new KeyNotFoundException(
176		sprintf(
177	1	_('The configuration key %1$s does not exist.'),
178	1	implode('->', $keys)
179		)
180		);
181		}
182
183	2	return $keys;
184		}
185
186		/**
187		* Reduce the currently stored config array to a subarray at a specific level.
188		*
189		* @since 0.1.13
190		*
191		* @param array $keys Array of keys that point to a key down in the hierarchy.
192		*/
193	1	protected function reduceToSubKey(array $keys)
194		{
195	1	$this->exchangeArray($this->getKey($keys));
196	1	}
197
198		/**
199		* Recursively extract the configuration key arguments from an arbitrary array.
200		*
201		* @since 0.1.6
202		*
203		* @param array $arguments Array as fetched through get_func_args().
204		*
205		* @return array Array of strings.
206		*/
207	6	protected function getKeyArguments($arguments)
208		{
209	6	$keys = [];
210	6	foreach ($arguments as $argument) {
211	6	if (is_array($argument)) {
212	5	$keys = array_merge($keys, $this->getKeyArguments($argument));
213		}
214	6	if (is_string($argument)) {
215	6	$keys = array_merge($keys, $this->parseKeysString($argument));
216		}
217		}
218
219	6	return $keys;
220		}
221
222		/**
223		* Extract individual keys from a delimited string.
224		*
225		* @since 0.1.6
226		*
227		* @param string $keyString Delimited string of keys.
228		*
229		* @return array Array of key strings.
230		*/
231	4	protected function parseKeysString($keyString)
232		{
233		// Replace all of the configured delimiters by the first one, so that we can then use explode().
234	4	$normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);
235
236	4	return (array)explode($this->delimiter[0], $normalizedString);
237		}
238
239		/**
240		* Validate the Config file.
241		*
242		* @since 0.1.0
243		* @return boolean
244		*/
245		abstract public function isValid();
246		}
247

brightnucleus / config

Branch — main (078a91)

AbstractConfig::reduceToSubKey() A

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