ArrayInput::getIterator() - Code Metrics - remorhaz/php-lexer-runtime - Measure and Improve Code Quality continuously with Scrutinizer

ArrayInput::getIterator() A
last analyzed 2020-06-30 11:02 UTC

↳ Parent: ArrayInput

Complexity

Conditions	2
Paths	2

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	2

Importance

Changes

Metric	Value
eloc	2
c	0
b	0
f	0
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
cc	2
nc	2
nop	0
crap	2

<?php

declare(strict_types=1);

namespace Remorhaz\Lexer\Runtime\IO;

use Iterator;
use IteratorAggregate;

use function count;

final class ArrayInput implements IteratorAggregate, SymbolReaderInterface
{

    /**
     * @var int[]
     * @psalm-var array<int, int>
     */
    private $data;

    /**
     * @var int
     */
    private $offset = 0;

    /**
     * @var int
     */
    private $length;

    public function __construct(int ...$data)
    {
        $this->data = $data;
        $this->length = count($data);
    }

    /**
     * {@inheritDoc}
     *
     * @return bool
     * @psalm-pure
     */
    public function isFinished(): bool
    {
        return $this->length == $this->offset;
    }

    /**
     * {@inheritDoc}
     *
     * @return SymbolInterface
     */
    public function read(): SymbolInterface
    {
        if ($this->length == $this->offset) {
            throw new Exception\UnexpectedEndOfInputException($this->offset);
        }

        return new Symbol($this->offset, $this->data[$this->offset++], new NullLexeme());
    }

    /**
     * {@inheritDoc}
     *
     * @return int
     * @psalm-pure
     */
    public function getOffset(): int
    {
        return $this->offset;
    }

    /**
     * {@inheritDoc}
     *
     * @return LexemeInterface
     * @psalm-pure
     */
    public function getEmptyLexeme(): LexemeInterface
    {
        return new EmptyLexeme($this->offset, new NullLexeme());
    }

    /**
     * @return Iterator
     * @psalm-return Iterator<int, SymbolInterface>
     */
    public function getIterator(): Iterator
    {
        while (!$this->isFinished()) {
            yield $this->offset => $this->read();
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Remorhaz\Lexer\Runtime\IO;
6
7		use Iterator;
8		use IteratorAggregate;
9
10		use function count;
11
12		final class ArrayInput implements IteratorAggregate, SymbolReaderInterface
13		{
14
15		/**
16		* @var int[]
17		* @psalm-var array<int, int>
18		*/
19		private $data;
20
21		/**
22		* @var int
23		*/
24		private $offset = 0;
25
26		/**
27		* @var int
28		*/
29		private $length;
30
31	20	public function __construct(int ...$data)
32		{
33	20	$this->data = $data;
34	20	$this->length = count($data);
35	20	}
36
37		/**
38		* {@inheritDoc}
39		*
40		* @return bool
41		* @psalm-pure
42		*/
43	6	public function isFinished(): bool
44		{
45	6	return $this->length == $this->offset;
46		}
47
48		/**
49		* {@inheritDoc}
50		*
51		* @return SymbolInterface
52		*/
53	14	public function read(): SymbolInterface
54		{
55	14	if ($this->length == $this->offset) {
56	2	throw new Exception\UnexpectedEndOfInputException($this->offset);
57		}
58
59	13	return new Symbol($this->offset, $this->data[$this->offset++], new NullLexeme());
60		}
61
62		/**
63		* {@inheritDoc}
64		*
65		* @return int
66		* @psalm-pure
67		*/
68	3	public function getOffset(): int
69		{
70	3	return $this->offset;
71		}
72
73		/**
74		* {@inheritDoc}
75		*
76		* @return LexemeInterface
77		* @psalm-pure
78		*/
79	4	public function getEmptyLexeme(): LexemeInterface
80		{
81	4	return new EmptyLexeme($this->offset, new NullLexeme());
82		}
83
84		/**
85		* @return Iterator
86		* @psalm-return Iterator<int, SymbolInterface>
87		*/
88	3	public function getIterator(): Iterator
89		{
90	3	while (!$this->isFinished()) {
91	2	yield $this->offset => $this->read();
92		}
93	3	}
94		}
95

remorhaz / php-lexer-runtime

ArrayInput::getIterator() A last analyzed 2020-06-30 11:02 UTC

Complexity

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ArrayInput::getIterator() A
last analyzed 2020-06-30 11:02 UTC