ReflectionFileNamespace::getClass() - Code Metrics - Inspection of "Fixing notice, when using "ReflectionClass::hasCon..." - goaop/parser-reflection - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#25)

by Alexander

created 2016-06-12 20:28 UTC

ReflectionFileNamespace::getClass() A

↳ Parent: ReflectionFileNamespace

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

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

<?php
/**
 * Parser Reflection API
 *
 * @copyright Copyright 2015, Lisachenko Alexander <[email protected]>
 *
 * This source file is subject to the license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Go\ParserReflection;

use Go\ParserReflection\ValueResolver\NodeExpressionResolver;
use PhpParser\Node\Stmt\ClassLike;
use PhpParser\Node\Stmt\Const_;
use PhpParser\Node\Stmt\Function_;
use PhpParser\Node\Stmt\Namespace_;
use PhpParser\Node\Stmt\Use_;

/**
 * AST-based reflection for the concrete namespace in the file
 */
class ReflectionFileNamespace
{
    /**
     * List of classes in the namespace
     *
     * @var array|ReflectionClass[]
     */
    protected $fileClasses;

    /**
     * List of functions in the namespace
     *
     * @var array|ReflectionFunction[]
     */
    protected $fileFunctions;

    /**
     * List of constants in the namespace
     *
     * @var array
     */
    protected $fileConstants;

    /**
     * List of imported namespaces (aliases)
     *
     * @var array
     */
    protected $fileNamespaceAliases;

    /**
     * Namespace node
     *
     * @var Namespace_
     */
    private $namespaceNode;

    /**
     * Name of the file
     *
     * @var string
     */
    private $fileName;

    /**
     * File namespace constructor
     *
     * @param string          $fileName      Name of the file
     * @param string          $namespaceName Name of the namespace
     * @param Namespace_|null $namespaceNode Optional AST-node for this namespace block
     */
    public function __construct($fileName, $namespaceName, Namespace_ $namespaceNode = null)
    {
        if (!$namespaceNode) {
            $namespaceNode = ReflectionEngine::parseFileNamespace($fileName, $namespaceName);
        }
        $this->namespaceNode = $namespaceNode;
        $this->fileName      = $fileName;
    }

    /**
     * Returns the concrete class from the file namespace or false if there is no class
     *
     * @param string $className
     *
     * @return bool|ReflectionClass
     */
    public function getClass($className)
    {
        if ($this->hasClass($className)) {
            return $this->fileClasses[$className];
        }

        return false;
    }

    /**
     * Gets list of classes in the namespace
     *
     * @return ReflectionClass[]|array
     */
    public function getClasses()
    {
        if (!isset($this->fileClasses)) {
            $this->fileClasses = $this->findClasses();
        }

        return $this->fileClasses;
    }

    /**
     * Returns a value for the constant
     *
     * @param string $constantName name of the constant to fetch
     *
     * @return bool|mixed
     */
    public function getConstant($constantName)
    {
        if ($this->hasConstant($constantName)) {
            return $this->fileConstants[$constantName];
        }

        return false;
    }

    /**
     * Returns a list of defined constants in the namespace
     *
     * @return array
     */
    public function getConstants()
    {
        if (!isset($this->fileConstants)) {
            $this->fileConstants = $this->findConstants();
        }

        return $this->fileConstants;
    }

    /**
     * Gets doc comments from a class.
     *
     * @return string|false The doc comment if it exists, otherwise "false"
     */
    public function getDocComment()
    {
        $docComment = false;
        $comments   = $this->namespaceNode->getAttribute('comments');

        if ($comments) {
            $docComment = (string) $comments[0];
        }

        return $docComment;
    }

    /**
     * Gets starting line number
     *
     * @return integer
     */
    public function getEndLine()
    {
        return $this->namespaceNode->getAttribute('endLine');
    }

    /**
     * Returns the name of file
     *
     * @return string
     */
    public function getFileName()
    {
        return $this->fileName;
    }

    /**
     * Returns the concrete function from the file namespace or false if there is no function
     *
     * @param string $functionName
     *
     * @return bool|ReflectionFunction
     */
    public function getFunction($functionName)
    {
        if ($this->hasFunction($functionName)) {
            return $this->fileFunctions[$functionName];
        }

        return false;
    }

    /**
     * Gets list of functions in the namespace
     *
     * @return ReflectionFunction[]|array
     */
    public function getFunctions()
    {
        if (!isset($this->fileFunctions)) {
            $this->fileFunctions = $this->findFunctions();
        }

        return $this->fileFunctions;
    }

    /**
     * Gets namespace name
     *
     * @return string
     */
    public function getName()
    {
        $nameNode = $this->namespaceNode->name;

        return $nameNode ? $nameNode->toString() : '';
    }

    /**
     * Returns a list of namespace aliases
     *
     * @return array
     */
    public function getNamespaceAliases()
    {
        if (!isset($this->fileNamespaceAliases)) {
            $this->fileNamespaceAliases = $this->findNamespaceAliases();
        }

        return $this->fileNamespaceAliases;
    }

    /**
     * Gets starting line number
     *
     * @return integer
     */
    public function getStartLine()
    {
        return $this->namespaceNode->getAttribute('startLine');
    }

    /**
     * Checks if the given class is present in this filenamespace
     *
     * @param string $className
     *
     * @return bool
     */
    public function hasClass($className)
    {
        $classes = $this->getClasses();

        return isset($classes[$className]);
    }

    /**
     * Checks if the given constant is present in this filenamespace
     *
     * @param string $constantName
     *
     * @return bool
     */
    public function hasConstant($constantName)
    {
        $constants = $this->getConstants();

        return isset($constants[$constantName]);
    }

    /**
     * Checks if the given function is present in this filenamespace
     *
     * @param string $functionName
     *
     * @return bool
     */
    public function hasFunction($functionName)
    {
        $functions = $this->getFunctions();

        return isset($functions[$functionName]);
    }

    /**
     * Searches for classes in the given AST
     *
     * @return array|ReflectionClass[]
     */
    private function findClasses()
    {
        $classes       = array();
        $namespaceName = $this->getName();
        // classes can be only top-level nodes in the namespace, so we can scan them directly
        foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
            if ($namespaceLevelNode instanceof ClassLike) {
                $classShortName = $namespaceLevelNode->name;
                $className = $namespaceName ? $namespaceName .'\\' . $classShortName : $classShortName;

                $namespaceLevelNode->setAttribute('fileName', $this->fileName);
                $classes[$className] = new ReflectionClass($className, $namespaceLevelNode);
            }
        }

        return $classes;
    }

    /**
     * Searches for functions in the given AST
     *
     * @return array
     */
    private function findFunctions()
    {
        $functions     = array();
        $namespaceName = $this->getName();

        // functions can be only top-level nodes in the namespace, so we can scan them directly
        foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
            if ($namespaceLevelNode instanceof Function_) {
                $funcShortName = $namespaceLevelNode->name;
                $functionName  = $namespaceName ? $namespaceName .'\\' . $funcShortName : $funcShortName;

                $namespaceLevelNode->setAttribute('fileName', $this->fileName);
                $functions[$funcShortName] = new ReflectionFunction($functionName, $namespaceLevelNode);
            }
        }

        return $functions;
    }

    /**
     * Searches for constants in the given AST
     *
     * @return array
     */
    private function findConstants()
    {
        $constants        = array();
        $expressionSolver = new NodeExpressionResolver($this);

        // constants can be only top-level nodes in the namespace, so we can scan them directly
        foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
            if ($namespaceLevelNode instanceof Const_) {
                $nodeConstants = $namespaceLevelNode->consts;
                if (!empty($nodeConstants)) {
                    foreach ($nodeConstants as $nodeConstant) {
                        $expressionSolver->process($nodeConstant->value);
                        $constants[$nodeConstant->name] = $expressionSolver->getValue();
                    }
                }
            }
        }

        return $constants;
    }

    /**
     * Searchse for namespace aliases for the current block
     *
     * @return array
     */
    private function findNamespaceAliases()
    {
        $namespaceAliases = [];

        // aliases can be only top-level nodes in the namespace, so we can scan them directly
        foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
            if ($namespaceLevelNode instanceof Use_) {
                $useAliases = $namespaceLevelNode->uses;
                if (!empty($useAliases)) {
                    foreach ($useAliases as $useNode) {
                        $namespaceAliases[$useNode->name->toString()] = $useNode->alias;
                    }
                }
            }
        }

        return $namespaceAliases;
    }
}


1		<?php
2		/**
3		* Parser Reflection API
4		*
5		* @copyright Copyright 2015, Lisachenko Alexander <[email protected]>
6		*
7		* This source file is subject to the license that is bundled
8		* with this source code in the file LICENSE.
9		*/
10
11		namespace Go\ParserReflection;
12
13		use Go\ParserReflection\ValueResolver\NodeExpressionResolver;
14		use PhpParser\Node\Stmt\ClassLike;
15		use PhpParser\Node\Stmt\Const_;
16		use PhpParser\Node\Stmt\Function_;
17		use PhpParser\Node\Stmt\Namespace_;
18		use PhpParser\Node\Stmt\Use_;
19
20		/**
21		* AST-based reflection for the concrete namespace in the file
22		*/
23		class ReflectionFileNamespace
24		{
25		/**
26		* List of classes in the namespace
27		*
28		* @var array\|ReflectionClass[]
29		*/
30		protected $fileClasses;
31
32		/**
33		* List of functions in the namespace
34		*
35		* @var array\|ReflectionFunction[]
36		*/
37		protected $fileFunctions;
38
39		/**
40		* List of constants in the namespace
41		*
42		* @var array
43		*/
44		protected $fileConstants;
45
46		/**
47		* List of imported namespaces (aliases)
48		*
49		* @var array
50		*/
51		protected $fileNamespaceAliases;
52
53		/**
54		* Namespace node
55		*
56		* @var Namespace_
57		*/
58		private $namespaceNode;
59
60		/**
61		* Name of the file
62		*
63		* @var string
64		*/
65		private $fileName;
66
67		/**
68		* File namespace constructor
69		*
70		* @param string $fileName Name of the file
71		* @param string $namespaceName Name of the namespace
72		* @param Namespace_\|null $namespaceNode Optional AST-node for this namespace block
73		*/
74	136	public function __construct($fileName, $namespaceName, Namespace_ $namespaceNode = null)
75		{
76	136	if (!$namespaceNode) {
77	13	$namespaceNode = ReflectionEngine::parseFileNamespace($fileName, $namespaceName);
78		}
79	136	$this->namespaceNode = $namespaceNode;
80	136	$this->fileName = $fileName;
81	136	}
82
83		/**
84		* Returns the concrete class from the file namespace or false if there is no class
85		*
86		* @param string $className
87		*
88		* @return bool\|ReflectionClass
89		*/
90	105	public function getClass($className)
91		{
92	105	if ($this->hasClass($className)) {
93	105	return $this->fileClasses[$className];
94		}
95
96	1	return false;
97		}
98
99		/**
100		* Gets list of classes in the namespace
101		*
102		* @return ReflectionClass[]\|array
103		*/
104	108	public function getClasses()
105		{
106	108	if (!isset($this->fileClasses)) {
107	108	$this->fileClasses = $this->findClasses();
108		}
109
110	108	return $this->fileClasses;
111		}
112
113		/**
114		* Returns a value for the constant
115		*
116		* @param string $constantName name of the constant to fetch
117		*
118		* @return bool\|mixed
119		*/
120	10	public function getConstant($constantName)
121		{
122	10	if ($this->hasConstant($constantName)) {
123	10	return $this->fileConstants[$constantName];
124		}
125
126	1	return false;
127		}
128
129		/**
130		* Returns a list of defined constants in the namespace
131		*
132		* @return array
133		*/
134	15	public function getConstants()
135		{
136	15	if (!isset($this->fileConstants)) {
137	15	$this->fileConstants = $this->findConstants();
138		}
139
140	15	return $this->fileConstants;
141		}
142
143		/**
144		* Gets doc comments from a class.
145		*
146		* @return string\|false The doc comment if it exists, otherwise "false"
147		*/
148	1	public function getDocComment()
149		{
150	1	$docComment = false;
151	1	$comments = $this->namespaceNode->getAttribute('comments');
152
153	1	if ($comments) {
154	1	$docComment = (string) $comments[0];
155		}
156
157	1	return $docComment;
158		}
159
160		/**
161		* Gets starting line number
162		*
163		* @return integer
164		*/
165	1	public function getEndLine()
166		{
167	1	return $this->namespaceNode->getAttribute('endLine');
168		}
169
170		/**
171		* Returns the name of file
172		*
173		* @return string
174		*/
175	3	public function getFileName()
176		{
177	3	return $this->fileName;
178		}
179
180		/**
181		* Returns the concrete function from the file namespace or false if there is no function
182		*
183		* @param string $functionName
184		*
185		* @return bool\|ReflectionFunction
186		*/
187	9	public function getFunction($functionName)
188		{
189	9	if ($this->hasFunction($functionName)) {
190	9	return $this->fileFunctions[$functionName];
191		}
192
193	1	return false;
194		}
195
196		/**
197		* Gets list of functions in the namespace
198		*
199		* @return ReflectionFunction[]\|array
200		*/
201	15	public function getFunctions()
202		{
203	15	if (!isset($this->fileFunctions)) {
204	15	$this->fileFunctions = $this->findFunctions();
205		}
206
207	15	return $this->fileFunctions;
208		}
209
210		/**
211		* Gets namespace name
212		*
213		* @return string
214		*/
215	126	public function getName()
216		{
217	126	$nameNode = $this->namespaceNode->name;
218
219	126	return $nameNode ? $nameNode->toString() : '';
220		}
221
222		/**
223		* Returns a list of namespace aliases
224		*
225		* @return array
226		*/
227	1	public function getNamespaceAliases()
228		{
229	1	if (!isset($this->fileNamespaceAliases)) {
230	1	$this->fileNamespaceAliases = $this->findNamespaceAliases();
231		}
232
233	1	return $this->fileNamespaceAliases;
234		}
235
236		/**
237		* Gets starting line number
238		*
239		* @return integer
240		*/
241	1	public function getStartLine()
242		{
243	1	return $this->namespaceNode->getAttribute('startLine');
244		}
245
246		/**
247		* Checks if the given class is present in this filenamespace
248		*
249		* @param string $className
250		*
251		* @return bool
252		*/
253	106	public function hasClass($className)
254		{
255	106	$classes = $this->getClasses();
256
257	106	return isset($classes[$className]);
258		}
259
260		/**
261		* Checks if the given constant is present in this filenamespace
262		*
263		* @param string $constantName
264		*
265		* @return bool
266		*/
267	15	public function hasConstant($constantName)
268		{
269	15	$constants = $this->getConstants();
270
271	15	return isset($constants[$constantName]);
272		}
273
274		/**
275		* Checks if the given function is present in this filenamespace
276		*
277		* @param string $functionName
278		*
279		* @return bool
280		*/
281	10	public function hasFunction($functionName)
282		{
283	10	$functions = $this->getFunctions();
284
285	10	return isset($functions[$functionName]);
286		}
287
288		/**
289		* Searches for classes in the given AST
290		*
291		* @return array\|ReflectionClass[]
292		*/
293	108	private function findClasses()
294		{
295	108	$classes = array();
296	108	$namespaceName = $this->getName();
297		// classes can be only top-level nodes in the namespace, so we can scan them directly
298	108	foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
299	108	if ($namespaceLevelNode instanceof ClassLike) {
300	108	$classShortName = $namespaceLevelNode->name;
301	108	$className = $namespaceName ? $namespaceName .'\\' . $classShortName : $classShortName;
302
303	108	$namespaceLevelNode->setAttribute('fileName', $this->fileName);
304	108	$classes[$className] = new ReflectionClass($className, $namespaceLevelNode);
305		}
306		}
307
308	108	return $classes;
309		}
310
311		/**
312		* Searches for functions in the given AST
313		*
314		* @return array
315		*/
316	15	private function findFunctions()
317		{
318	15	$functions = array();
319	15	$namespaceName = $this->getName();
320
321		// functions can be only top-level nodes in the namespace, so we can scan them directly
322	15	foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
323	15	if ($namespaceLevelNode instanceof Function_) {
324	15	$funcShortName = $namespaceLevelNode->name;
325	15	$functionName = $namespaceName ? $namespaceName .'\\' . $funcShortName : $funcShortName;
326
327	15	$namespaceLevelNode->setAttribute('fileName', $this->fileName);
328	15	$functions[$funcShortName] = new ReflectionFunction($functionName, $namespaceLevelNode);
329		}
330		}
331
332	15	return $functions;
333		}
334
335		/**
336		* Searches for constants in the given AST
337		*
338		* @return array
339		*/
340	15	private function findConstants()
341		{
342	15	$constants = array();
343	15	$expressionSolver = new NodeExpressionResolver($this);
344
345		// constants can be only top-level nodes in the namespace, so we can scan them directly
346	15	foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
347	15	if ($namespaceLevelNode instanceof Const_) {
348	13	$nodeConstants = $namespaceLevelNode->consts;
349	13	if (!empty($nodeConstants)) {
350	13	foreach ($nodeConstants as $nodeConstant) {
351	13	$expressionSolver->process($nodeConstant->value);
352	15	$constants[$nodeConstant->name] = $expressionSolver->getValue();
353		}
354		}
355		}
356		}
357
358	15	return $constants;
359		}
360
361		/**
362		* Searchse for namespace aliases for the current block
363		*
364		* @return array
365		*/
366	1	private function findNamespaceAliases()
367		{
368	1	$namespaceAliases = [];
369
370		// aliases can be only top-level nodes in the namespace, so we can scan them directly
371	1	foreach ($this->namespaceNode->stmts as $namespaceLevelNode) {
372	1	if ($namespaceLevelNode instanceof Use_) {
373	1	$useAliases = $namespaceLevelNode->uses;
374	1	if (!empty($useAliases)) {
375	1	foreach ($useAliases as $useNode) {
376	1	$namespaceAliases[$useNode->name->toString()] = $useNode->alias;
377		}
378		}
379		}
380		}
381
382	1	return $namespaceAliases;
383		}
384		}
385

goaop / parser-reflection

Pull Request — master (#25)

ReflectionFileNamespace::getClass() A

Complexity

Size

Duplication

Code Coverage

Importance

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