Chain::allowEmpty() - Code Metrics - Inspection of "Enhancement: Implement IsFloat rule (#139)" - particle-php/Validator - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 7bea36...115690 )

by Rick

created 2016-08-05 12:56 UTC

Chain::allowEmpty() A

↳ Parent: Chain

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
c	3
b	0
f	0
dl	0
loc	5
ccs	3
cts	3
cp	1
rs	9.4285
cc	1
eloc	3
nc	1
nop	1
crap	1

<?php
/**
 * Particle.
 *
 * @link      http://github.com/particle-php for the canonical source repository
 * @copyright Copyright (c) 2005-2016 Particle (http://particle-php.com)
 * @license   https://github.com/particle-php/validator/blob/master/LICENSE New BSD License
 */
namespace Particle\Validator;

use Particle\Validator\Output\Structure;
use Particle\Validator\Output\Subject;
use Particle\Validator\Value\Container;

/**
 * Represents a collection of Rules which may break the chain of validation (but usually don't).
 *
 * @package Particle\Validator
 */
class Chain
{
    /**
     * The key we want to validate.
     *
     * @var string
     */
    protected $key;

    /**
     * The name that we can use in error messages.
     *
     * @var string
     */
    protected $name;

    /**
     * The array of all rules for this chain.
     *
     * @var Rule[]
     */
    protected $rules = [];

    /**
     * The message stack to append messages to.
     *
     * @var MessageStack
     */
    protected $messageStack;

    /**
     * Construct the chain.
     *
     * @param string $key
     * @param string $name
     * @param bool $required
     * @param bool $allowEmpty
     */
    public function __construct($key, $name, $required, $allowEmpty)
    {
        $this->key = $key;
        $this->name = $name;

        $this->addRule(new Rule\Required($required));
        $this->addRule(new Rule\NotEmpty($allowEmpty));
    }

    /**
     * Overwrite the default __clone behaviour to make sure the rules are cloned too.
     */
    public function __clone()
    {
        $rules = [];
        foreach ($this->rules as $rule) {
            $rules[] = clone $rule;
        }
        $this->rules = $rules;
    }

    /**
     * Validate the value to consist only out of alphanumeric characters.
     *
     * @param bool $allowWhitespace
     * @return $this
     */
    public function alnum($allowWhitespace = false)
    {
        return $this->addRule(new Rule\Alnum($allowWhitespace));
    }

    /**
     * Validate that the value only consists our of alphabetic characters.
     *
     * @param bool $allowWhitespace
     * @return $this
     */
    public function alpha($allowWhitespace = false)
    {
        return $this->addRule(new Rule\Alpha($allowWhitespace));
    }

    /**
     * Validate that the value is between $min and $max (inclusive).
     *
     * @param int $min
     * @param int $max
     * @return $this
     */
    public function between($min, $max)
    {
        return $this->addRule(new Rule\Between($min, $max));
    }

    /**
     * Validate that the value is a boolean.
     *
     * @return $this
     */
    public function bool()
    {
        return $this->addRule(new Rule\Boolean());
    }

    /**
     * Validate by executing a callback function, and returning its result.
     *
     * @param callable $callable
     * @return $this
     */
    public function callback(callable $callable)
    {
        return $this->addRule(new Rule\Callback($callable));
    }

    /**
     * Validates that the value is a valid credit card number.
     * @return $this
     */
    public function creditCard()
    {
        return $this->addRule(new Rule\CreditCard());
    }

    /**
     * Validates that the value is a date. If format is passed, it *must* be in that format.
     *
     * @param string|null $format
     * @return $this
     */
    public function datetime($format = null)
    {
        return $this->addRule(new Rule\Datetime($format));
    }

    /**
     * Validates that all characters of the value are decimal digits.
     *
     * @return $this
     */
    public function digits()
    {
        return $this->addRule(new Rule\Digits());
    }

    /**
     * Validates a value to be a nested array, which can then be validated using a new Validator instance.
     *
     * @param callable $callback
     * @return $this
     */
    public function each(callable $callback)
    {
        return $this->addRule(new Rule\Each($callback));
    }

    /**
     * Validates that the value is a valid email address (format only).
     * @return $this
     */
    public function email()
    {
        return $this->addRule(new Rule\Email());
    }

    /**
     * Validates that the value is equal to $value.
     *
     * @param string $value
     * @return $this
     */
    public function equals($value)
    {
        return $this->addRule(new Rule\Equal($value));
    }

    /**
     * Validates that the value represents a float.
     *
     * @return $this
     */
    public function float()
    {
        return $this->addRule(new Rule\IsFloat());
    }

    /**
     * Validates that the value is greater than $value.
     *
     * @param int $value
     * @return $this
     */
    public function greaterThan($value)
    {
        return $this->addRule(new Rule\GreaterThan($value));
    }

    /**
     * Validates that the value is in the array with optional "loose" checking.
     *
     * @param array $array
     * @param bool $strict
     * @return $this
     */
    public function inArray(array $array, $strict = true)
    {
        return $this->addRule(new Rule\InArray($array, $strict));
    }

    /**
     * Validates the value represents a valid integer
     *
     * @param bool $strict
     * @return $this
     * @see \Particle\Validator\Rule\Integer
     */
    public function integer($strict = false)
    {
        return $this->addRule(new Rule\Integer($strict));
    }

    /**
     * Validates the value is an array
     *
     * @return $this
     * @see \Particle\Validator\Rule\IsArray
     */
    public function isArray()
    {
        return $this->addRule(new Rule\IsArray());
    }

    /**
     * Validates that the value represents a valid JSON string
     *
     * @return $this
     * @see \Particle\Validator\Rule\Json
     */
    public function json()
    {
        return $this->addRule(new Rule\Json());
    }

    /**
     * Validate the value to be of precisely length $length.
     *
     * @param int $length
     * @return $this
     */
    public function length($length)
    {
        return $this->addRule(new Rule\Length($length));
    }

    /**
     * Validates that the length of the value is between $min and $max.
     *
     * If $max is null, it has no upper limit. The default is inclusive.
     *
     * @param int $min
     * @param int|null $max
     * @return $this
     */
    public function lengthBetween($min, $max)
    {
        return $this->addRule(new Rule\LengthBetween($min, $max));
    }

    /**
     * Validates that the value is less than $value.
     *
     * @param int $value
     * @return $this
     */
    public function lessThan($value)
    {
        return $this->addRule(new Rule\LessThan($value));
    }

    /**
     * Mount a rule object onto this chain.
     *
     * @param Rule $rule
     * @return $this
     */
    public function mount(Rule $rule)
    {
        return $this->addRule($rule);
    }

    /**
     * Validates that the value is either a integer or a float.
     *
     * @return $this
     */
    public function numeric()
    {
        return $this->addRule(new Rule\Numeric());
    }

    /**
     * Validates that the value is a valid phone number for $countryCode.
     *
     * @param string $countryCode
     * @see \Particle\Validator\Rule\Phone
     * @return $this
     */
    public function phone($countryCode)
    {
        return $this->addRule(new Rule\Phone($countryCode));
    }

    /**
     * Validates that the value matches the regular expression $regex.
     *
     * @param string $regex
     * @return $this
     */
    public function regex($regex)
    {
        return $this->addRule(new Rule\Regex($regex));
    }

    /**
     * Validates that the value represents a string.
     *
     * @return $this
     */
    public function string()
    {
        return $this->addRule(new Rule\IsString());
    }

    /**
     * Validates that the value is a valid URL. The schemes array is to selectively whitelist URL schemes.
     *
     * @param array $schemes
     * @return $this
     */
    public function url(array $schemes = [])
    {
        return $this->addRule(new Rule\Url($schemes));
    }

    /**
     * Validates that the value is a valid UUID
     *
     * @param int $version
     * @return $this
     */
    public function uuid($version = Rule\Uuid::UUID_V4)
    {
        return $this->addRule(new Rule\Uuid($version));
    }

    /**
     * Set a callable or boolean value which may be used to alter the required requirement on validation time.
     *
     * This may be incredibly helpful when doing conditional validation.
     *
     * @param callable|bool $required
     * @return $this
     */
    public function required($required)
    {
        $this->getRequiredRule()->setRequired($required);
        return $this;
    }

    /**
     * Set a callable or boolean value which may be used to alter the allow empty requirement on validation time.
     *
     * This may be incredibly helpful when doing conditional validation.
     *
     * @param callable|bool $allowEmpty
     * @return $this
     */
    public function allowEmpty($allowEmpty)
    {
        $this->getNotEmptyRule()->setAllowEmpty($allowEmpty);
        return $this;
    }

    /**
     * Attach a representation of this Chain to the Output\Structure $structure.
     *
     * @internal
     * @param Structure $structure
     * @param MessageStack $messageStack
     * @return Structure
     */
    public function output(Structure $structure, MessageStack $messageStack)
    {
        $subject = new Subject($this->key, $this->name);

        foreach ($this->rules as $rule) {
            $rule->output($subject, $messageStack);
        }

        $structure->addSubject($subject);

        return $structure;
    }

    /**
     * Validates the values in the $values array and appends messages to $messageStack. Returns the result as a bool.
     *
     * @param MessageStack $messageStack
     * @param Container $input
     * @param Container $output
     * @return bool
     */
    public function validate(MessageStack $messageStack, Container $input, Container $output)
    {
        $valid = true;
        foreach ($this->rules as $rule) {
            $rule->setMessageStack($messageStack);
            $rule->setParameters($this->key, $this->name);

            $valid = $rule->isValid($this->key, $input) && $valid;

            if ($rule->shouldBreakChain()) {
                break;
            }
        }

        if ($valid && $input->has($this->key)) {
            $output->set($this->key, $input->get($this->key));
        }
        return $valid;
    }

    /**
     * Shortcut method for storing a rule on this chain, and returning the chain.
     *
     * @param Rule $rule
     * @return $this
     */
    protected function addRule(Rule $rule)
    {
        $this->rules[] = $rule;

        return $this;
    }

    /**
     * Returns the first rule, which is always the required rule.
     *
     * @return Rule\Required
     */
    protected function getRequiredRule()
    {
        return $this->rules[0];
    }

    /**
     * Returns the second rule, which is always the allow empty rule.
     *
     * @return Rule\NotEmpty
     */
    protected function getNotEmptyRule()
    {
        return $this->rules[1];
    }
}


1		<?php
2		/**
3		* Particle.
4		*
5		* @link http://github.com/particle-php for the canonical source repository
6		* @copyright Copyright (c) 2005-2016 Particle (http://particle-php.com)
7		* @license https://github.com/particle-php/validator/blob/master/LICENSE New BSD License
8		*/
9		namespace Particle\Validator;
10
11		use Particle\Validator\Output\Structure;
12		use Particle\Validator\Output\Subject;
13		use Particle\Validator\Value\Container;
14
15		/**
16		* Represents a collection of Rules which may break the chain of validation (but usually don't).
17		*
18		* @package Particle\Validator
19		*/
20		class Chain
21		{
22		/**
23		* The key we want to validate.
24		*
25		* @var string
26		*/
27		protected $key;
28
29		/**
30		* The name that we can use in error messages.
31		*
32		* @var string
33		*/
34		protected $name;
35
36		/**
37		* The array of all rules for this chain.
38		*
39		* @var Rule[]
40		*/
41		protected $rules = [];
42
43		/**
44		* The message stack to append messages to.
45		*
46		* @var MessageStack
47		*/
48		protected $messageStack;
49
50		/**
51		* Construct the chain.
52		*
53		* @param string $key
54		* @param string $name
55		* @param bool $required
56		* @param bool $allowEmpty
57		*/
58	207	public function __construct($key, $name, $required, $allowEmpty)
59		{
60	207	$this->key = $key;
61	207	$this->name = $name;
62
63	207	$this->addRule(new Rule\Required($required));
64	207	$this->addRule(new Rule\NotEmpty($allowEmpty));
65	207	}
66
67		/**
68		* Overwrite the default __clone behaviour to make sure the rules are cloned too.
69		*/
70	3	public function __clone()
71		{
72	3	$rules = [];
73	3	foreach ($this->rules as $rule) {
74	3	$rules[] = clone $rule;
75	3	}
76	3	$this->rules = $rules;
77	3	}
78
79		/**
80		* Validate the value to consist only out of alphanumeric characters.
81		*
82		* @param bool $allowWhitespace
83		* @return $this
84		*/
85	7	public function alnum($allowWhitespace = false)
86		{
87	7	return $this->addRule(new Rule\Alnum($allowWhitespace));
88		}
89
90		/**
91		* Validate that the value only consists our of alphabetic characters.
92		*
93		* @param bool $allowWhitespace
94		* @return $this
95		*/
96	7	public function alpha($allowWhitespace = false)
97		{
98	7	return $this->addRule(new Rule\Alpha($allowWhitespace));
99		}
100
101		/**
102		* Validate that the value is between $min and $max (inclusive).
103		*
104		* @param int $min
105		* @param int $max
106		* @return $this
107		*/
108	6	public function between($min, $max)
109		{
110	6	return $this->addRule(new Rule\Between($min, $max));
111		}
112
113		/**
114		* Validate that the value is a boolean.
115		*
116		* @return $this
117		*/
118	9	public function bool()
119		{
120	9	return $this->addRule(new Rule\Boolean());
121		}
122
123		/**
124		* Validate by executing a callback function, and returning its result.
125		*
126		* @param callable $callable
127		* @return $this
128		*/
129	5	public function callback(callable $callable)
130		{
131	5	return $this->addRule(new Rule\Callback($callable));
132		}
133
134		/**
135		* Validates that the value is a valid credit card number.
136		* @return $this
137		*/
138	15	public function creditCard()
139		{
140	15	return $this->addRule(new Rule\CreditCard());
141		}
142
143		/**
144		* Validates that the value is a date. If format is passed, it must be in that format.
145		*
146		* @param string\|null $format
147		* @return $this
148		*/
149	8	public function datetime($format = null)
150		{
151	8	return $this->addRule(new Rule\Datetime($format));
152		}
153
154		/**
155		* Validates that all characters of the value are decimal digits.
156		*
157		* @return $this
158		*/
159	4	public function digits()
160		{
161	4	return $this->addRule(new Rule\Digits());
162		}
163
164		/**
165		* Validates a value to be a nested array, which can then be validated using a new Validator instance.
166		*
167		* @param callable $callback
168		* @return $this
169		*/
170	5	public function each(callable $callback)
171		{
172	5	return $this->addRule(new Rule\Each($callback));
173		}
174
175		/**
176		* Validates that the value is a valid email address (format only).
177		* @return $this
178		*/
179	6	public function email()
180		{
181	6	return $this->addRule(new Rule\Email());
182		}
183
184		/**
185		* Validates that the value is equal to $value.
186		*
187		* @param string $value
188		* @return $this
189		*/
190	2	public function equals($value)
191		{
192	2	return $this->addRule(new Rule\Equal($value));
193		}
194
195		/**
196		* Validates that the value represents a float.
197		*
198		* @return $this
199		*/
200	6	public function float()
201		{
202	6	return $this->addRule(new Rule\IsFloat());
203		}
204
205		/**
206		* Validates that the value is greater than $value.
207		*
208		* @param int $value
209		* @return $this
210		*/
211	3	public function greaterThan($value)
212		{
213	3	return $this->addRule(new Rule\GreaterThan($value));
214		}
215
216		/**
217		* Validates that the value is in the array with optional "loose" checking.
218		*
219		* @param array $array
220		* @param bool $strict
221		* @return $this
222		*/
223	4	public function inArray(array $array, $strict = true)
224		{
225	4	return $this->addRule(new Rule\InArray($array, $strict));
226		}
227
228		/**
229		* Validates the value represents a valid integer
230		*
231		* @param bool $strict
232		* @return $this
233		* @see \Particle\Validator\Rule\Integer
234		*/
235	18	public function integer($strict = false)
236		{
237	18	return $this->addRule(new Rule\Integer($strict));
238		}
239
240		/**
241		* Validates the value is an array
242		*
243		* @return $this
244		* @see \Particle\Validator\Rule\IsArray
245		*/
246	7	public function isArray()
247		{
248	7	return $this->addRule(new Rule\IsArray());
249		}
250
251		/**
252		* Validates that the value represents a valid JSON string
253		*
254		* @return $this
255		* @see \Particle\Validator\Rule\Json
256		*/
257	11	public function json()
258		{
259	11	return $this->addRule(new Rule\Json());
260		}
261
262		/**
263		* Validate the value to be of precisely length $length.
264		*
265		* @param int $length
266		* @return $this
267		*/
268	13	public function length($length)
269		{
270	13	return $this->addRule(new Rule\Length($length));
271		}
272
273		/**
274		* Validates that the length of the value is between $min and $max.
275		*
276		* If $max is null, it has no upper limit. The default is inclusive.
277		*
278		* @param int $min
279		* @param int\|null $max
280		* @return $this
281		*/
282	7	public function lengthBetween($min, $max)
283		{
284	7	return $this->addRule(new Rule\LengthBetween($min, $max));
285		}
286
287		/**
288		* Validates that the value is less than $value.
289		*
290		* @param int $value
291		* @return $this
292		*/
293	3	public function lessThan($value)
294		{
295	3	return $this->addRule(new Rule\LessThan($value));
296		}
297
298		/**
299		* Mount a rule object onto this chain.
300		*
301		* @param Rule $rule
302		* @return $this
303		*/
304	1	public function mount(Rule $rule)
305		{
306	1	return $this->addRule($rule);
307		}
308
309		/**
310		* Validates that the value is either a integer or a float.
311		*
312		* @return $this
313		*/
314	11	public function numeric()
315		{
316	11	return $this->addRule(new Rule\Numeric());
317		}
318
319		/**
320		* Validates that the value is a valid phone number for $countryCode.
321		*
322		* @param string $countryCode
323		* @see \Particle\Validator\Rule\Phone
324		* @return $this
325		*/
326	13	public function phone($countryCode)
327		{
328	13	return $this->addRule(new Rule\Phone($countryCode));
329		}
330
331		/**
332		* Validates that the value matches the regular expression $regex.
333		*
334		* @param string $regex
335		* @return $this
336		*/
337	2	public function regex($regex)
338		{
339	2	return $this->addRule(new Rule\Regex($regex));
340		}
341
342		/**
343		* Validates that the value represents a string.
344		*
345		* @return $this
346		*/
347	5	public function string()
348		{
349	5	return $this->addRule(new Rule\IsString());
350		}
351
352		/**
353		* Validates that the value is a valid URL. The schemes array is to selectively whitelist URL schemes.
354		*
355		* @param array $schemes
356		* @return $this
357		*/
358	7	public function url(array $schemes = [])
359		{
360	7	return $this->addRule(new Rule\Url($schemes));
361		}
362
363		/**
364		* Validates that the value is a valid UUID
365		*
366		* @param int $version
367		* @return $this
368		*/
369	12	public function uuid($version = Rule\Uuid::UUID_V4)
370		{
371	12	return $this->addRule(new Rule\Uuid($version));
372		}
373
374		/**
375		* Set a callable or boolean value which may be used to alter the required requirement on validation time.
376		*
377		* This may be incredibly helpful when doing conditional validation.
378		*
379		* @param callable\|bool $required
380		* @return $this
381		*/
382	5	public function required($required)
383		{
384	5	$this->getRequiredRule()->setRequired($required);
385	5	return $this;
386		}
387
388		/**
389		* Set a callable or boolean value which may be used to alter the allow empty requirement on validation time.
390		*
391		* This may be incredibly helpful when doing conditional validation.
392		*
393		* @param callable\|bool $allowEmpty
394		* @return $this
395		*/
396	11	public function allowEmpty($allowEmpty)
397		{
398	11	$this->getNotEmptyRule()->setAllowEmpty($allowEmpty);
399	11	return $this;
400		}
401
402		/**
403		* Attach a representation of this Chain to the Output\Structure $structure.
404		*
405		* @internal
406		* @param Structure $structure
407		* @param MessageStack $messageStack
408		* @return Structure
409		*/
410	2	public function output(Structure $structure, MessageStack $messageStack)
411		{
412	2	$subject = new Subject($this->key, $this->name);
413
414	2	foreach ($this->rules as $rule) {
415	2	$rule->output($subject, $messageStack);
416	2	}
417
418	2	$structure->addSubject($subject);
419
420	2	return $structure;
421		}
422
423		/**
424		* Validates the values in the $values array and appends messages to $messageStack. Returns the result as a bool.
425		*
426		* @param MessageStack $messageStack
427		* @param Container $input
428		* @param Container $output
429		* @return bool
430		*/
431	204	public function validate(MessageStack $messageStack, Container $input, Container $output)
432		{
433	204	$valid = true;
434	204	foreach ($this->rules as $rule) {
435	204	$rule->setMessageStack($messageStack);
436	204	$rule->setParameters($this->key, $this->name);
437
438	204	$valid = $rule->isValid($this->key, $input) && $valid;
439
440	204	if ($rule->shouldBreakChain()) {
441	17	break;
442		}
443	204	}
444
445	204	if ($valid && $input->has($this->key)) {
446	104	$output->set($this->key, $input->get($this->key));
447	104	}
448	204	return $valid;
449		}
450
451		/**
452		* Shortcut method for storing a rule on this chain, and returning the chain.
453		*
454		* @param Rule $rule
455		* @return $this
456		*/
457	207	protected function addRule(Rule $rule)
458		{
459	207	$this->rules[] = $rule;
460
461	207	return $this;
462		}
463
464		/**
465		* Returns the first rule, which is always the required rule.
466		*
467		* @return Rule\Required
468		*/
469	5	protected function getRequiredRule()
470		{
471	5	return $this->rules[0];
472		}
473
474		/**
475		* Returns the second rule, which is always the allow empty rule.
476		*
477		* @return Rule\NotEmpty
478		*/
479	11	protected function getNotEmptyRule()
480		{
481	11	return $this->rules[1];
482		}
483		}
484

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Chain::allowEmpty() A

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