HeaderStrategy::__construct() - Code Metrics - Inspection of "Develop" - subjective-php/csv - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#31)

by Chad

created 2018-06-09 16:04 UTC

HeaderStrategy::__construct() A

↳ Parent: HeaderStrategy

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes

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

<?php

namespace SubjectivePHP\Csv;

use SplFileObject;

final class HeaderStrategy implements HeaderStrategyInterface
{
    /**
     * @var callable
     */
    private $getHeadersCallable;

    private function __construct(callable $getHeadersCallable)
    {
        $this->getHeadersCallable = $getHeadersCallable;
    }

    /**
     * Create header strategy which derives the headers from the first line of the file.
     *
     * @return HeaderstrategyInterface
     */
    public static function derive() : HeaderStrategyInterface
    {
        return new DeriveHeaderStrategy();
    }

    /**
     * Create header strategy which uses the provided headers array.
     *
     * @return HeaderstrategyInterface
     */
    public static function provide(array $headers) : HeaderStrategyInterface
    {
        return new self(
            function () use ($headers) : array {
                return $headers;
            }
        );
    }

    /**
     * Create header strategy which generates a numeric array whose size is the number of columns in the given file.
     *
     * @return HeaderstrategyInterface
     */
    public static function none() : HeaderStrategyInterface
    {
        return new self(
            function (SplFileObject $fileObject) : array {
                $firstRow = $fileObject->fgetcsv();
                $headers = array_keys($firstRow);
                $fileObject->rewind();
                return $headers;
            }
        );
    }

    /**
     * Extracts headers from the given SplFileObject.
     *
     * @param SplFileObject $fileObject The delimited file containing the headers.
     *
     * @return array
     */
    public function getHeaders(SplFileObject $fileObject) : array
    {
        return ($this->getHeadersCallable)($fileObject);
    }
}


1			<?php
2
3			namespace SubjectivePHP\Csv;
4
5			use SplFileObject;
6
7			final class HeaderStrategy implements HeaderStrategyInterface
8			{
9			/**
10			* @var callable
11			*/
12			private $getHeadersCallable;
13
14			private function __construct(callable $getHeadersCallable)
15			{
16			$this->getHeadersCallable = $getHeadersCallable;
17			}
18
19			/**
20			* Create header strategy which derives the headers from the first line of the file.
21			*
22			* @return HeaderstrategyInterface
23			*/
24			public static function derive() : HeaderStrategyInterface
25			{
26			return new DeriveHeaderStrategy();
27			}
28
29			/**
30			* Create header strategy which uses the provided headers array.
31			*
32			* @return HeaderstrategyInterface
33			*/
34			public static function provide(array $headers) : HeaderStrategyInterface
35			{
36			return new self(
37			function () use ($headers) : array {
38			return $headers;
39			}
40			);
41			}
42
43			/**
44			* Create header strategy which generates a numeric array whose size is the number of columns in the given file.
45			*
46			* @return HeaderstrategyInterface
47			*/
48			public static function none() : HeaderStrategyInterface
49			{
50			return new self(
51			function (SplFileObject $fileObject) : array {
52			$firstRow = $fileObject->fgetcsv();
53			$headers = array_keys($firstRow);
54			$fileObject->rewind();
55			return $headers;
56			}
57			);
58			}
59
60			/**
61			* Extracts headers from the given SplFileObject.
62			*
63			* @param SplFileObject $fileObject The delimited file containing the headers.
64			*
65			* @return array
66			*/
67			public function getHeaders(SplFileObject $fileObject) : array
68			{
69			return ($this->getHeadersCallable)($fileObject);
70			}
71			}
72

subjective-php / csv

Pull Request — master (#31)

HeaderStrategy::__construct() A

Complexity

Size

Duplication

Importance

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