DiffObject::__construct() - Code Metrics - Inspection of "Merge pull request #100 from Vivalldi/patch-1" - matteosister/GitElephant - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — develop ( 5f7df1...9cb564 )

by Matteo

created 2016-05-27 07:37 UTC

DiffObject::__construct() C

↳ Parent: DiffObject

Complexity

Conditions	7
Paths	9

Size

Total Lines	27
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	8.8142

Metric	Value
dl	0
loc	27
ccs	14
cts	21
cp	0.6667
rs	6.7272
cc	7
eloc	18
nc	9
nop	1
crap	8.8142

<?php
/**
 * GitElephant - An abstraction layer for git written in PHP
 * Copyright (C) 2013  Matteo Giachino
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/].
 */

namespace GitElephant\Objects\Diff;

use \GitElephant\Utilities;

/**
 * Represent a diff for a single object in the repository
 *
 * @author Matteo Giachino <[email protected]>
 */
class DiffObject implements \ArrayAccess, \Countable, \Iterator
{
    const MODE_INDEX        = 'index';
    const MODE_MODE         = 'mode';
    const MODE_NEW_FILE     = 'new_file';
    const MODE_DELETED_FILE = 'deleted_file';
    const MODE_RENAMED      = 'renamed_file';

    /**
     * the cursor position
     *
     * @var int
     */
    private $position;

    /**
     * the original file path for the diff object
     *
     * @var string
     */
    private $originalPath;

    /**
     * the destination path for the diff object
     *
     * @var string
     */
    private $destinationPath;

    /**
     * rename similarity index
     *
     * @var int
     */
    private $similarityIndex;

    /**
     * the diff mode
     *
     * @var string
     */
    private $mode;

    /**
     * the diff chunks
     *
     * @var array
     */
    private $chunks;

    /**
     * Class constructor
     *
     * @param array $lines output lines for the diff
     *
     * @throws \InvalidArgumentException
     */
    public function __construct($lines)
    {
        $this->position = 0;
        $this->chunks   = array();

        $this->findPath($lines[0]);

        $sliceIndex = 4;
        if ($this->hasPathChanged()) {
            $this->findSimilarityIndex($lines[1]);
            if (isset($lines[4]) && !empty($lines[4])) {
                $this->findMode($lines[4]);
                $sliceIndex = 7;
            } else {
                $this->mode = self::MODE_RENAMED;
            }
        } else {
            $this->findMode($lines[1]);
        }

        if ($this->mode == self::MODE_INDEX || $this->mode == self::MODE_NEW_FILE) {
            $lines = array_slice($lines, $sliceIndex);
            if (!empty($lines)) {
                $this->findChunks($lines);
            }
        }
    }

    /**
     * toString magic method
     *
     * @return mixed
     */
    public function __toString()
    {
        return $this->originalPath;
    }

    /**
     * Find the diff chunks
     *
     * @param array $lines output lines for the diff
     * @throws \InvalidArgumentException
     */
    private function findChunks($lines)
    {
        $arrayChunks = Utilities::pregSplitArray(
            $lines,
            '/^@@ -(\d+,\d+)|(\d+) \+(\d+,\d+)|(\d+) @@(.*)$/'
        );
        foreach ($arrayChunks as $chunkLines) {
            $this->chunks[] = new DiffChunk($chunkLines);
        }
    }

    /**
     * look for the path in the line
     *
     * @param string $line line content
     */
    private function findPath($line)
    {
        $matches = array();
        if (preg_match('/^diff --git SRC\/(.*) DST\/(.*)$/', $line, $matches)) {
            $this->originalPath    = $matches[1];
            $this->destinationPath = $matches[2];
        }
    }

    /**
     * find the line mode
     *
     * @param string $line line content
     */
    private function findMode($line)
    {
        if (preg_match('/^index (.*)\.\.(.*) (.*)$/', $line)) {
            $this->mode = self::MODE_INDEX;
        }
        if (preg_match('/^mode (.*)\.\.(.*) (.*)$/', $line)) {
            $this->mode = self::MODE_MODE;
        }
        if (preg_match('/^new file mode (.*)/', $line)) {
            $this->mode = self::MODE_NEW_FILE;
        }
        if (preg_match('/^deleted file mode (.*)/', $line)) {
            $this->mode = self::MODE_DELETED_FILE;
        }
    }

    /**
     * look for similarity index in the line
     *
     * @param string $line line content
     */
    private function findSimilarityIndex($line)
    {
        $matches = array();
        if (preg_match('/^similarity index (.*)\%$/', $line, $matches)) {
            $this->similarityIndex = $matches[1];
$answer = 42;

$correct = false;

$correct = (bool) $answer;
        }
    }

    /**
     * chunks getter
     *
     * @return array
     */
    public function getChunks()
    {
        return $this->chunks;
    }

    /**
     * destinationPath getter
     *
     * @return string
     */
    public function getDestinationPath()
    {
        return $this->destinationPath;
    }

    /**
     * mode getter
     *
     * @return string
     */
    public function getMode()
    {
        return $this->mode;
    }

    /**
     * originalPath getter
     *
     * @return string
     */
    public function getOriginalPath()
    {
        return $this->originalPath;
    }

    /**
     * Check if path has changed (file was renamed)
     *
     * @return bool
     */
    public function hasPathChanged()
    {
        return ($this->originalPath !== $this->destinationPath);
    }

    /**
     * Get similarity index
     *
     * @return int
     * @throws \RuntimeException if not a rename
     */
    public function getSimilarityIndex()
    {
        if ($this->hasPathChanged()) {
            return $this->similarityIndex;
        }

        throw new \RuntimeException('Cannot get similarity index on non-renames');
    }

    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     *
     * @return bool
     */
    public function offsetExists($offset)
    {
        return isset($this->chunks[$offset]);
    }

    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     *
     * @return null
     */
    public function offsetGet($offset)
    {
        return isset($this->chunks[$offset]) ? $this->chunks[$offset] : null;
    }

    /**
     * ArrayAccess interface
     *
     * @param int   $offset offset
     * @param mixed $value  value
     */
    public function offsetSet($offset, $value)
    {
        if (is_null($offset)) {
            $this->chunks[] = $value;
        } else {
            $this->chunks[$offset] = $value;
        }
    }

    /**
     * ArrayAccess interface
     *
     * @param int $offset offset
     */
    public function offsetUnset($offset)
    {
        unset($this->chunks[$offset]);
    }

    /**
     * Countable interface
     *
     * @return int
     */
    public function count()
    {
        return count($this->chunks);
    }

    /**
     * Iterator interface
     *
     * @return mixed
     */
    public function current()
    {
        return $this->chunks[$this->position];
    }

    /**
     * Iterator interface
     */
    public function next()
    {
        ++$this->position;
    }

    /**
     * Iterator interface
     *
     * @return int
     */
    public function key()
    {
        return $this->position;
    }

    /**
     * Iterator interface
     *
     * @return bool
     */
    public function valid()
    {
        return isset($this->chunks[$this->position]);
    }

    /**
     * Iterator interface
     */
    public function rewind()
    {
        $this->position = 0;
    }
}


1		<?php
2		/**
3		* GitElephant - An abstraction layer for git written in PHP
4		* Copyright (C) 2013 Matteo Giachino
5		*
6		* This program is free software: you can redistribute it and/or modify
7		* it under the terms of the GNU General Public License as published by
8		* the Free Software Foundation, either version 3 of the License, or
9		* (at your option) any later version.
10		*
11		* This program is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14		* GNU General Public License for more details.
15		*
16		* You should have received a copy of the GNU General Public License
17		* along with this program. If not, see [http://www.gnu.org/licenses/].
18		*/
19
20		namespace GitElephant\Objects\Diff;
21
22		use \GitElephant\Utilities;
23
24		/**
25		* Represent a diff for a single object in the repository
26		*
27		* @author Matteo Giachino <[email protected]>
28		*/
29		class DiffObject implements \ArrayAccess, \Countable, \Iterator
30		{
31		const MODE_INDEX = 'index';
32		const MODE_MODE = 'mode';
33		const MODE_NEW_FILE = 'new_file';
34		const MODE_DELETED_FILE = 'deleted_file';
35		const MODE_RENAMED = 'renamed_file';
36
37		/**
38		* the cursor position
39		*
40		* @var int
41		*/
42		private $position;
43
44		/**
45		* the original file path for the diff object
46		*
47		* @var string
48		*/
49		private $originalPath;
50
51		/**
52		* the destination path for the diff object
53		*
54		* @var string
55		*/
56		private $destinationPath;
57
58		/**
59		* rename similarity index
60		*
61		* @var int
62		*/
63		private $similarityIndex;
64
65		/**
66		* the diff mode
67		*
68		* @var string
69		*/
70		private $mode;
71
72		/**
73		* the diff chunks
74		*
75		* @var array
76		*/
77		private $chunks;
78
79		/**
80		* Class constructor
81		*
82		* @param array $lines output lines for the diff
83		*
84		* @throws \InvalidArgumentException
85		*/
86	2	public function __construct($lines)
87		{
88	2	$this->position = 0;
89	2	$this->chunks = array();
90
91	2	$this->findPath($lines[0]);
92
93	2	$sliceIndex = 4;
94	2	if ($this->hasPathChanged()) {
95		$this->findSimilarityIndex($lines[1]);
96		if (isset($lines[4]) && !empty($lines[4])) {
97		$this->findMode($lines[4]);
98		$sliceIndex = 7;
99		} else {
100		$this->mode = self::MODE_RENAMED;
101		}
102		} else {
103	2	$this->findMode($lines[1]);
104		}
105
106	2	if ($this->mode == self::MODE_INDEX \|\| $this->mode == self::MODE_NEW_FILE) {
107	2	$lines = array_slice($lines, $sliceIndex);
108	2	if (!empty($lines)) {
109	2	$this->findChunks($lines);
110	2	}
111	2	}
112	2	}
113
114		/**
115		* toString magic method
116		*
117		* @return mixed
118		*/
119		public function __toString()
120		{
121		return $this->originalPath;
122		}
123
124		/**
125		* Find the diff chunks
126		*
127		* @param array $lines output lines for the diff
128		* @throws \InvalidArgumentException
129		*/
130	2	private function findChunks($lines)
131		{
132	2	$arrayChunks = Utilities::pregSplitArray(
133	2	$lines,
134		'/^@@ -(\d+,\d+)\|(\d+) \+(\d+,\d+)\|(\d+) @@(.*)$/'
135	2	);
136	2	foreach ($arrayChunks as $chunkLines) {
137	2	$this->chunks[] = new DiffChunk($chunkLines);
138	2	}
139	2	}
140
141		/**
142		* look for the path in the line
143		*
144		* @param string $line line content
145		*/
146	2	private function findPath($line)
147		{
148	2	$matches = array();
149	2	if (preg_match('/^diff --git SRC\/(.) DST\/(.)$/', $line, $matches)) {
150	2	$this->originalPath = $matches[1];
151	2	$this->destinationPath = $matches[2];
152	2	}
153	2	}
154
155		/**
156		* find the line mode
157		*
158		* @param string $line line content
159		*/
160	2	private function findMode($line)
161		{
162	2	if (preg_match('/^index (.)\.\.(.) (.*)$/', $line)) {
163	1	$this->mode = self::MODE_INDEX;
164	1	}
165	2	if (preg_match('/^mode (.)\.\.(.) (.*)$/', $line)) {
166		$this->mode = self::MODE_MODE;
167		}
168	2	if (preg_match('/^new file mode (.*)/', $line)) {
169	1	$this->mode = self::MODE_NEW_FILE;
170	1	}
171	2	if (preg_match('/^deleted file mode (.*)/', $line)) {
172		$this->mode = self::MODE_DELETED_FILE;
173		}
174	2	}
175
176		/**
177		* look for similarity index in the line
178		*
179		* @param string $line line content
180		*/
181		private function findSimilarityIndex($line)
182		{
183		$matches = array();
184		if (preg_match('/^similarity index (.*)\%$/', $line, $matches)) {
185		$this->similarityIndex = $matches[1];
		0 ignored issues – show Documentation Bug introduced 2015-12-20 10:24 UTC by Report Bug Copy Issue Report The property `$similarityIndex` was declared of type `integer`, but `$matches[1]` is of type `string`. Maybe add a type cast? This check looks for assignments to scalar types that may be of the wrong type. To ensure the code behaves as expected, it may be a good idea to add an explicit type cast. $answer = 42; $correct = false; $correct = (bool) $answer; Loading history...
186		}
187		}
188
189		/**
190		* chunks getter
191		*
192		* @return array
193		*/
194		public function getChunks()
195		{
196		return $this->chunks;
197		}
198
199		/**
200		* destinationPath getter
201		*
202		* @return string
203		*/
204		public function getDestinationPath()
205		{
206		return $this->destinationPath;
207		}
208
209		/**
210		* mode getter
211		*
212		* @return string
213		*/
214		public function getMode()
215		{
216		return $this->mode;
217		}
218
219		/**
220		* originalPath getter
221		*
222		* @return string
223		*/
224		public function getOriginalPath()
225		{
226		return $this->originalPath;
227		}
228
229		/**
230		* Check if path has changed (file was renamed)
231		*
232		* @return bool
233		*/
234	2	public function hasPathChanged()
235		{
236	2	return ($this->originalPath !== $this->destinationPath);
237		}
238
239		/**
240		* Get similarity index
241		*
242		* @return int
243		* @throws \RuntimeException if not a rename
244		*/
245		public function getSimilarityIndex()
246		{
247		if ($this->hasPathChanged()) {
248		return $this->similarityIndex;
249		}
250
251		throw new \RuntimeException('Cannot get similarity index on non-renames');
252		}
253
254		/**
255		* ArrayAccess interface
256		*
257		* @param int $offset offset
258		*
259		* @return bool
260		*/
261		public function offsetExists($offset)
262		{
263		return isset($this->chunks[$offset]);
264		}
265
266		/**
267		* ArrayAccess interface
268		*
269		* @param int $offset offset
270		*
271		* @return null
272		*/
273	1	public function offsetGet($offset)
274		{
275	1	return isset($this->chunks[$offset]) ? $this->chunks[$offset] : null;
276		}
277
278		/**
279		* ArrayAccess interface
280		*
281		* @param int $offset offset
282		* @param mixed $value value
283		*/
284		public function offsetSet($offset, $value)
285		{
286		if (is_null($offset)) {
287		$this->chunks[] = $value;
288		} else {
289		$this->chunks[$offset] = $value;
290		}
291		}
292
293		/**
294		* ArrayAccess interface
295		*
296		* @param int $offset offset
297		*/
298		public function offsetUnset($offset)
299		{
300		unset($this->chunks[$offset]);
301		}
302
303		/**
304		* Countable interface
305		*
306		* @return int
307		*/
308	1	public function count()
309		{
310	1	return count($this->chunks);
311		}
312
313		/**
314		* Iterator interface
315		*
316		* @return mixed
317		*/
318		public function current()
319		{
320		return $this->chunks[$this->position];
321		}
322
323		/**
324		* Iterator interface
325		*/
326		public function next()
327		{
328		++$this->position;
329		}
330
331		/**
332		* Iterator interface
333		*
334		* @return int
335		*/
336		public function key()
337		{
338		return $this->position;
339		}
340
341		/**
342		* Iterator interface
343		*
344		* @return bool
345		*/
346		public function valid()
347		{
348		return isset($this->chunks[$this->position]);
349		}
350
351		/**
352		* Iterator interface
353		*/
354		public function rewind()
355		{
356		$this->position = 0;
357		}
358		}
359

matteosister / GitElephant

Push — develop ( 5f7df1...9cb564 )

DiffObject::__construct() C

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