Metadata::exists() - Code Metrics - Inspection of "Separate ID3 readers and writers" - GravityMedia/Metadata - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — id3-metadata-objects ( e55453...161f4c )

by Daniel

created 2016-03-28 15:39 UTC

Metadata::exists() A

↳ Parent: Metadata

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	10
Ratio	100 %

Importance

Changes	5
Bugs	0	Features	1

Metric	Value
c	5
b	0
f	1
dl	10
loc	10
rs	9.4285
cc	2
eloc	5
nc	2
nop	0

<?php
/**
 * This file is part of the Metadata package.
 *
 * @author Daniel Schröder <[email protected]>
 */

namespace GravityMedia\Metadata\ID3v1;

use GravityMedia\Metadata\ID3v1\Reader\TagReader;
use GravityMedia\Metadata\ID3v1\Writer\TagWriter;
use GravityMedia\Metadata\Metadata\MetadataInterface;
use GravityMedia\Metadata\Metadata\TagInterface;
use GravityMedia\Stream\StreamInterface;

/**
 * ID3v1 metadata.
 *
 * @package GravityMedia\Metadata\ID3v1
 */
class Metadata implements MetadataInterface
{
    /**
     * @var StreamInterface
     */
    protected $stream;

    /**
     * @var TagReader
     */
    protected $tagReader;

    /**
     * @var TagWriter
     */
    protected $tagWriter;

    /**
     * Create ID3v1 metadata.
     *
     * @param StreamInterface $stream
     */
    public function __construct(StreamInterface $stream)
    {
        $this->stream = $stream;
    }

    /**
     * Get tag reader.
     *
     * @return TagReader
     */
    public function getTagReader()
    {
        if (null === $this->tagReader) {
            $this->tagReader = new TagReader($this, $this->stream);
        }

        return $this->tagReader;
    }

    /**
     * Get tag writer.
     *
     * @return TagWriter
     */
    public function getTagWriter()
    {
        if (null === $this->tagWriter) {
            $this->tagWriter = new TagWriter($this, $this->stream);
        }

        return $this->tagWriter;
    }

    /**
     * {@inheritdoc}
     */
    public function exists()

    {
        if ($this->stream->getSize() < 128) {
            return false;
        }

        $this->stream->seek(-128, SEEK_END);

        return 'TAG' === $this->stream->read(3);
    }

    /**
     * {@inheritdoc}
     */
    public function strip()
    {
        if (!$this->exists()) {
            return $this;
        }

        $this->stream->seek(0);
        $this->stream->truncate($this->stream->getSize() - 128);

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function read()
    {
        return $this->getTagReader()->read();
    }

    /**
     * {@inheritdoc}
     */
    public function write(TagInterface $tag)
    {
        $this->getTagWriter()->write($tag);

        return $this;
    }
}


1		<?php
2		/**
3		* This file is part of the Metadata package.
4		*
5		* @author Daniel Schröder <[email protected]>
6		*/
7
8		namespace GravityMedia\Metadata\ID3v1;
9
10		use GravityMedia\Metadata\ID3v1\Reader\TagReader;
11		use GravityMedia\Metadata\ID3v1\Writer\TagWriter;
12		use GravityMedia\Metadata\Metadata\MetadataInterface;
13		use GravityMedia\Metadata\Metadata\TagInterface;
14		use GravityMedia\Stream\StreamInterface;
15
16		/**
17		* ID3v1 metadata.
18		*
19		* @package GravityMedia\Metadata\ID3v1
20		*/
21		class Metadata implements MetadataInterface
22		{
23		/**
24		* @var StreamInterface
25		*/
26		protected $stream;
27
28		/**
29		* @var TagReader
30		*/
31		protected $tagReader;
32
33		/**
34		* @var TagWriter
35		*/
36		protected $tagWriter;
37
38		/**
39		* Create ID3v1 metadata.
40		*
41		* @param StreamInterface $stream
42		*/
43		public function __construct(StreamInterface $stream)
44		{
45		$this->stream = $stream;
46		}
47
48		/**
49		* Get tag reader.
50		*
51		* @return TagReader
52		*/
53		public function getTagReader()
54		{
55		if (null === $this->tagReader) {
56		$this->tagReader = new TagReader($this, $this->stream);
57		}
58
59		return $this->tagReader;
60		}
61
62		/**
63		* Get tag writer.
64		*
65		* @return TagWriter
66		*/
67		public function getTagWriter()
68		{
69		if (null === $this->tagWriter) {
70		$this->tagWriter = new TagWriter($this, $this->stream);
71		}
72
73		return $this->tagWriter;
74		}
75
76		/**
77		* {@inheritdoc}
78		*/
79	View Code Duplication	public function exists()
		0 ignored issues – show Duplication introduced 2016-03-21 17:10 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
80		{
81		if ($this->stream->getSize() < 128) {
82		return false;
83		}
84
85		$this->stream->seek(-128, SEEK_END);
86
87		return 'TAG' === $this->stream->read(3);
88		}
89
90		/**
91		* {@inheritdoc}
92		*/
93		public function strip()
94		{
95		if (!$this->exists()) {
96		return $this;
97		}
98
99		$this->stream->seek(0);
100		$this->stream->truncate($this->stream->getSize() - 128);
101
102		return $this;
103		}
104
105		/**
106		* {@inheritdoc}
107		*/
108		public function read()
109		{
110		return $this->getTagReader()->read();
111		}
112
113		/**
114		* {@inheritdoc}
115		*/
116		public function write(TagInterface $tag)
117		{
118		$this->getTagWriter()->write($tag);
119
120		return $this;
121		}
122		}
123

GravityMedia / Metadata

Push — id3-metadata-objects ( e55453...161f4c )

Metadata::exists() A

Complexity

Size

Duplication

Importance

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