LibraryChanges::__construct() - Code Metrics - suralc/pvra - Measure and Improve Code Quality continuously with Scrutinizer

LibraryChanges::__construct() A
last analyzed 2016-03-29 16:55 UTC

↳ Parent: LibraryChanges

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
c	2
b	0
f	1
dl	0
loc	8
ccs	6
cts	6
cp	1
rs	9.4285
cc	2
eloc	4
nc	2
nop	3
crap	2

<?php
/**
 * LibraryChanges.php
 *
 * MIT LICENSE
 *
 * LICENSE: This source file is subject to the MIT license.
 * A copy of the licenses text was distributed alongside this
 * file (usually the repository or package root). The text can also
 * be obtained on one of the following sources:
 * * http://opensource.org/licenses/MIT
 * * https://github.com/suralc/pvra/blob/master/LICENSE
 *
 * @author     suralc <[email protected]>
 * @license    http://opensource.org/licenses/MIT  MIT
 */

namespace Pvra\Analysers;


use PhpParser\Node;
use PhpParser\Node\Name;
use Pvra\Analyser;
use Pvra\AnalyserAwareInterface;
use Pvra\InformationProvider\LibraryInformation;
use Pvra\InformationProvider\LibraryInformationAwareInterface;
use Pvra\InformationProvider\LibraryInformationInterface;
use Pvra\Result\Reason;

/**
 * Class LibraryChanges
 *
 * @package Pvra\Analysers
 */
class LibraryChanges extends LanguageFeatureAnalyser implements AnalyserAwareInterface, LibraryInformationAwareInterface
{
    /**
     * @var LibraryInformation
     */
    private $information;

    /**
     * @inheritdoc
     * @param array $options
     * @param \Pvra\Analyser $analyser
     * @param \Pvra\InformationProvider\LibraryInformation $information
     */
    public function __construct(array $options = [], Analyser $analyser = null, LibraryInformation $information = null)
    {
        parent::__construct($options, $analyser);

        if ($information !== null) {
            $this->information = $information;
        }
    }

    /**
     * @param \Pvra\InformationProvider\LibraryInformationInterface $libInfo
     * @return $this
     */
    public function setLibraryInformation(LibraryInformationInterface $libInfo)
    {
        $this->information = $libInfo;

        return $this;
    }

    /**
     * @param \Pvra\InformationProvider\LibraryInformationInterface $libInfo
     * @return $this
     */
    public function addLibraryInformation(LibraryInformationInterface $libInfo)
    {
        $this->getLibraryInformation()->mergeWith($libInfo);

        return $this;
    }

    /**
     * @return LibraryInformationInterface
     */
    public function getLibraryInformation()
    {
        if ($this->information === null) {
            if (($path = $this->getOption('libraryDataPath')) !== null) {
                return $this->information = LibraryInformation::createFromFile($path);
            }
            $this->information = LibraryInformation::createWithDefaults();
        }

        return $this->information;
    }

    /**
     * Prepare a name
     *
     * If the first argument is an instance of `PhpParser\Node\Name` its string representation
     * will be returned as first element of the result array. The value retrieved via `PhpParser\Node\Name::getLine()`
     * will be used as second element.
     * If the first parameter is not an instance of `PhpParser\Node\Name` it will be casted to string and returned alongside
     * with the value given for the second parameter as line
     *
     * @param \PhpParser\Node\Name|string $name
     * @param int $line Only used if the $name parameter is not an instance of `PhpParser\Node\Name`
     * @return array
     */
    private function prepareNameAndLine($name, $line = -1)
    {
        if ($name instanceof Node\Name) {
            $line = $name->getLine();
            $name = $name->toString();
        } else {
            $name = (string)$name;
        }

        return [$name, $line];
    }

    /**
     * @param \PhpParser\Node\Name|string $name
     * @param int $line
     */
    private function handleClassName($name, $line = -1)
    {
        list($name, $line) = $this->prepareNameAndLine($name, $line);
        $info = $this->getLibraryInformation()->getClassInfo($name);
        if ($this->mode & self::MODE_ADDITION && $info['addition'] !== null) {
            $this->getResult()->addArbitraryRequirement(
                $info['addition'],
                $line,
                null,
                Reason::LIB_CLASS_ADDITION,
                ['className' => $name]
            );
        }
        if ($this->mode & self::MODE_DEPRECATION && $info['deprecation'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['deprecation'],
                $line,
                null,
                Reason::LIB_CLASS_DEPRECATION,
                ['className' => $name]
            );
        }
        if ($this->mode & self::MODE_REMOVAL && $info['removal'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['removal'],
                $line,
                null,
                Reason::LIB_CLASS_REMOVAL,
                ['className' => $name]
            );
        }
    }

    /**
     * @param \PhpParser\Node\Name|string $name
     * @param int $line
     */
    private function handleFunctionName($name, $line = -1)
    {
        list($name, $line) = $this->prepareNameAndLine($name, $line);
        $info = $this->getLibraryInformation()->getFunctionInfo($name);
        if ($this->mode & self::MODE_ADDITION && $info['addition'] !== null) {
            $this->getResult()->addArbitraryRequirement(
                $info['addition'],
                $line,
                null,
                Reason::LIB_FUNCTION_ADDITION,
                ['functionName' => $name]
            );
        }
        if ($this->mode & self::MODE_DEPRECATION && $info['deprecation'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['deprecation'],
                $line,
                null,
                Reason::LIB_FUNCTION_DEPRECATION,
                ['functionName' => $name]
            );
        }
        if ($this->mode & self::MODE_REMOVAL && $info['removal'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['removal'],
                $line,
                null,
                Reason::LIB_FUNCTION_REMOVAL,
                ['functionName' => $name]
            );
        }
    }

    /**
     * @param \PhpParser\Node\Name|string $name
     * @param int $line
     */
    private function handleConstantName($name, $line = -1)
    {
        list($name, $line) = $this->prepareNameAndLine($name, $line);
        $info = $this->getLibraryInformation()->getConstantInfo($name);
        if (($this->mode & self::MODE_ADDITION) && $info['addition'] !== null) {
            $this->getResult()->addArbitraryRequirement(
                $info['addition'],
                $line,
                null,
                Reason::LIB_CONSTANT_ADDITION,
                ['constantName' => $name]
            );
        }
        if (($this->mode & self::MODE_DEPRECATION) && $info['deprecation'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['deprecation'],
                $line,
                null,
                Reason::LIB_CONSTANT_DEPRECATION,
                ['constantName' => $name]
            );
        }
        if (($this->mode & self::MODE_REMOVAL) && $info['removal'] !== null) {
            $this->getResult()->addArbitraryLimit(
                $info['removal'],
                $line,
                null,
                Reason::LIB_CONSTANT_REMOVAL,
                ['constantName' => $name]
            );
        }
    }

    /**
     * @inheritdoc
     * @param \PhpParser\Node $node
     * @return null|\PhpParser\Node|void
     */
    public function enterNode(Node $node)
    {
        // direct class calls
        if ($node instanceof Node\Expr\New_ || $node instanceof Node\Expr\StaticCall
            || $node instanceof Node\Expr\ClassConstFetch || $node instanceof Node\Expr\StaticPropertyFetch
        ) {
            if ($node->class instanceof Node\Name) {
                $this->handleClassName($node->class);
            }
            if ($node instanceof Node\Expr\ClassConstFetch) {
                $this->handleConstantName($node->name, $node->getLine());
            }
        } elseif ($node instanceof Node\FunctionLike) {
            if (!empty($node->getParams())) {
                foreach ($node->getParams() as $param) {
                    if (isset($param->type) && !is_string($param->type)) {
                        $this->handleClassName($param->type);
                    }
                }
            }
        } elseif ($node instanceof Node\Stmt\Class_
            || $node instanceof Node\Stmt\Interface_
        ) {
            $names = [];
            if (!empty($node->implements)) {
                $names += $node->implements;
            }
            if (!empty($node->extends)) {
                if ($node->extends instanceof Name) {
                    $names[] = $node->extends;
                } else {
                    $names += $node->extends;
                }
            }

            foreach ($names as $name) {
                $this->handleClassName($name);
            }
        } elseif ($node instanceof Node\Expr\FuncCall && !($node->name instanceof Node\Expr)) {
            $this->handleFunctionName($node->name);
        } elseif ($node instanceof Node\Expr\ConstFetch) {
            $this->handleConstantName($node->name);
        }
    }
}


1			<?php
2			/**
3			* LibraryChanges.php
4			*
5			* MIT LICENSE
6			*
7			* LICENSE: This source file is subject to the MIT license.
8			* A copy of the licenses text was distributed alongside this
9			* file (usually the repository or package root). The text can also
10			* be obtained on one of the following sources:
11			* * http://opensource.org/licenses/MIT
12			* * https://github.com/suralc/pvra/blob/master/LICENSE
13			*
14			* @author suralc <[email protected]>
15			* @license http://opensource.org/licenses/MIT MIT
16			*/
17
18			namespace Pvra\Analysers;
19
20
21			use PhpParser\Node;
22			use PhpParser\Node\Name;
23			use Pvra\Analyser;
24			use Pvra\AnalyserAwareInterface;
25			use Pvra\InformationProvider\LibraryInformation;
26			use Pvra\InformationProvider\LibraryInformationAwareInterface;
27			use Pvra\InformationProvider\LibraryInformationInterface;
28			use Pvra\Result\Reason;
29
30			/**
31			* Class LibraryChanges
32			*
33			* @package Pvra\Analysers
34			*/
35			class LibraryChanges extends LanguageFeatureAnalyser implements AnalyserAwareInterface, LibraryInformationAwareInterface
36			{
37			/**
38			* @var LibraryInformation
39			*/
40			private $information;
41
42			/**
43			* @inheritdoc
44			* @param array $options
45			* @param \Pvra\Analyser $analyser
46			* @param \Pvra\InformationProvider\LibraryInformation $information
47			*/
48	72		public function __construct(array $options = [], Analyser $analyser = null, LibraryInformation $information = null)
49			{
50	72		parent::__construct($options, $analyser);
51
52	72		if ($information !== null) {
53	24		$this->information = $information;
54	12		}
55	72		}
56
57			/**
58			* @param \Pvra\InformationProvider\LibraryInformationInterface $libInfo
59			* @return $this
60			*/
61	40		public function setLibraryInformation(LibraryInformationInterface $libInfo)
62			{
63	40		$this->information = $libInfo;
64
65	40		return $this;
66			}
67
68			/**
69			* @param \Pvra\InformationProvider\LibraryInformationInterface $libInfo
70			* @return $this
71			*/
72	2		public function addLibraryInformation(LibraryInformationInterface $libInfo)
73			{
74	2		$this->getLibraryInformation()->mergeWith($libInfo);
75
76	2		return $this;
77			}
78
79			/**
80			* @return LibraryInformationInterface
81			*/
82	54		public function getLibraryInformation()
83			{
84	54		if ($this->information === null) {
85	4		if (($path = $this->getOption('libraryDataPath')) !== null) {
86	2		return $this->information = LibraryInformation::createFromFile($path);
87			}
88	2		$this->information = LibraryInformation::createWithDefaults();
89	1		}
90
91	54		return $this->information;
92			}
93
94			/**
95			* Prepare a name
96			*
97			* If the first argument is an instance of `PhpParser\Node\Name` its string representation
98			* will be returned as first element of the result array. The value retrieved via `PhpParser\Node\Name::getLine()`
99			* will be used as second element.
100			* If the first parameter is not an instance of `PhpParser\Node\Name` it will be casted to string and returned alongside
101			* with the value given for the second parameter as line
102			*
103			* @param \PhpParser\Node\Name\|string $name
104			* @param int $line Only used if the $name parameter is not an instance of `PhpParser\Node\Name`
105			* @return array
106			*/
107	50		private function prepareNameAndLine($name, $line = -1)
108			{
109	50		if ($name instanceof Node\Name) {
110	46		$line = $name->getLine();
111	46		$name = $name->toString();
112	23		} else {
113	22		$name = (string)$name;
114			}
115
116	50		return [$name, $line];
117			}
118
119			/**
120			* @param \PhpParser\Node\Name\|string $name
121			* @param int $line
122			*/
123	34	View Code Duplication	private function handleClassName($name, $line = -1)
124			{
125	34		list($name, $line) = $this->prepareNameAndLine($name, $line);
126	34		$info = $this->getLibraryInformation()->getClassInfo($name);
127	34		if ($this->mode & self::MODE_ADDITION && $info['addition'] !== null) {
128	20		$this->getResult()->addArbitraryRequirement(
129	20		$info['addition'],
130	10		$line,
131	20		null,
132	20		Reason::LIB_CLASS_ADDITION,
133	20		['className' => $name]
134	10		);
135	10		}
136	34		if ($this->mode & self::MODE_DEPRECATION && $info['deprecation'] !== null) {
137	4		$this->getResult()->addArbitraryLimit(
138	4		$info['deprecation'],
139	2		$line,
140	4		null,
141	4		Reason::LIB_CLASS_DEPRECATION,
142	4		['className' => $name]
143	2		);
144	2		}
145	34		if ($this->mode & self::MODE_REMOVAL && $info['removal'] !== null) {
146	4		$this->getResult()->addArbitraryLimit(
147	4		$info['removal'],
148	2		$line,
149	4		null,
150	4		Reason::LIB_CLASS_REMOVAL,
151	4		['className' => $name]
152	2		);
153	2		}
154	34		}
155
156			/**
157			* @param \PhpParser\Node\Name\|string $name
158			* @param int $line
159			*/
160	36	View Code Duplication	private function handleFunctionName($name, $line = -1)
161			{
162	36		list($name, $line) = $this->prepareNameAndLine($name, $line);
163	36		$info = $this->getLibraryInformation()->getFunctionInfo($name);
164	36		if ($this->mode & self::MODE_ADDITION && $info['addition'] !== null) {
165	16		$this->getResult()->addArbitraryRequirement(
166	16		$info['addition'],
167	8		$line,
168	16		null,
169	16		Reason::LIB_FUNCTION_ADDITION,
170	16		['functionName' => $name]
171	8		);
172	8		}
173	36		if ($this->mode & self::MODE_DEPRECATION && $info['deprecation'] !== null) {
174	4		$this->getResult()->addArbitraryLimit(
175	4		$info['deprecation'],
176	2		$line,
177	4		null,
178	4		Reason::LIB_FUNCTION_DEPRECATION,
179	4		['functionName' => $name]
180	2		);
181	2		}
182	36		if ($this->mode & self::MODE_REMOVAL && $info['removal'] !== null) {
183	2		$this->getResult()->addArbitraryLimit(
184	2		$info['removal'],
185	1		$line,
186	2		null,
187	2		Reason::LIB_FUNCTION_REMOVAL,
188	2		['functionName' => $name]
189	1		);
190	1		}
191	36		}
192
193			/**
194			* @param \PhpParser\Node\Name\|string $name
195			* @param int $line
196			*/
197	24	View Code Duplication	private function handleConstantName($name, $line = -1)
198			{
199	24		list($name, $line) = $this->prepareNameAndLine($name, $line);
200	24		$info = $this->getLibraryInformation()->getConstantInfo($name);
201	24		if (($this->mode & self::MODE_ADDITION) && $info['addition'] !== null) {
202	4		$this->getResult()->addArbitraryRequirement(
203	4		$info['addition'],
204	2		$line,
205	4		null,
206	4		Reason::LIB_CONSTANT_ADDITION,
207	4		['constantName' => $name]
208	2		);
209	2		}
210	24		if (($this->mode & self::MODE_DEPRECATION) && $info['deprecation'] !== null) {
211	4		$this->getResult()->addArbitraryLimit(
212	4		$info['deprecation'],
213	2		$line,
214	4		null,
215	4		Reason::LIB_CONSTANT_DEPRECATION,
216	4		['constantName' => $name]
217	2		);
218	2		}
219	24		if (($this->mode & self::MODE_REMOVAL) && $info['removal'] !== null) {
220	2		$this->getResult()->addArbitraryLimit(
221	2		$info['removal'],
222	1		$line,
223	2		null,
224	2		Reason::LIB_CONSTANT_REMOVAL,
225	2		['constantName' => $name]
226	1		);
227	1		}
228	24		}
229
230			/**
231			* @inheritdoc
232			* @param \PhpParser\Node $node
233			* @return null\|\PhpParser\Node\|void
234			*/
235	62		public function enterNode(Node $node)
236			{
237			// direct class calls
238	62		if ($node instanceof Node\Expr\New_ \|\| $node instanceof Node\Expr\StaticCall
239	61		\|\| $node instanceof Node\Expr\ClassConstFetch \|\| $node instanceof Node\Expr\StaticPropertyFetch
240	31		) {
241	34		if ($node->class instanceof Node\Name) {
242	32		$this->handleClassName($node->class);
243	16		}
244	34		if ($node instanceof Node\Expr\ClassConstFetch) {
245	26		$this->handleConstantName($node->name, $node->getLine());
246	9		}
247	33		} elseif ($node instanceof Node\FunctionLike) {
248	28		if (!empty($node->getParams())) {
249	28		foreach ($node->getParams() as $param) {
250	28		if (isset($param->type) && !is_string($param->type)) {
251	18		$this->handleClassName($param->type);
252	4		}
253	14		}
254	14		}
255	14		} elseif ($node instanceof Node\Stmt\Class_
256	56		\|\| $node instanceof Node\Stmt\Interface_
257	28		) {
258	26		$names = [];
259	26		if (!empty($node->implements)) {
260	10		$names += $node->implements;
261	5		}
262	26		if (!empty($node->extends)) {
263	10		if ($node->extends instanceof Name) {
264	10		$names[] = $node->extends;
265	5		} else {
266	8		$names += $node->extends;
267			}
268	5		}
269
270	26		foreach ($names as $name) {
271	18		$this->handleClassName($name);
272	13		}
273	55		} elseif ($node instanceof Node\Expr\FuncCall && !($node->name instanceof Node\Expr)) {
274	36		$this->handleFunctionName($node->name);
275	29		} elseif ($node instanceof Node\Expr\ConstFetch) {
276	14		$this->handleConstantName($node->name);
277	7		}
278	62		}
279			}
280

suralc / pvra

LibraryChanges::__construct() A last analyzed 2016-03-29 16:55 UTC

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LibraryChanges::__construct() A
last analyzed 2016-03-29 16:55 UTC