Tokenizer::readToken() - Code Metrics - leaditin/annotations - Measure and Improve Code Quality continuously with Scrutinizer

Tokenizer::readToken() A
last analyzed 2017-11-24 22:00 UTC

↳ Parent: Tokenizer

Complexity

Conditions	3
Paths	3

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3

Importance

Changes

Metric	Value
dl	0
loc	11
ccs	7
cts	7
cp	1
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	6
nc	3
nop	2
crap	3

<?php

declare(strict_types = 1);

namespace Leaditin\Annotations;

/**
 * Class Tokenizer
 *
 * @package Leaditin\Annotations
 * @author Igor Vuckovic
 */
class Tokenizer
{
    /** @var \ReflectionClass */
    protected $reflectionClass;

    /** @var array */
    protected $tokens;

    /** @var array */
    protected $structure;

    /**
     * @param \ReflectionClass $reflectionClass
     */
    public function __construct(\ReflectionClass $reflectionClass)
    {
        $this->reflectionClass = $reflectionClass;
        $this->tokens = token_get_all(file_get_contents($this->reflectionClass->getFileName()));
        $this->structure = [];
    }

    /**
     * @param string $name
     * @return string
     */
    public function resolveFullyQualifiedClassName(string $name) : string
    {
        $resolvedFromUse = $this->resolveFullyQualifiedClassNameFromUse($name);
        if (false !== $resolvedFromUse) {
            return $resolvedFromUse;
        }

        $resolvedFromNamespace = $this->resolveFullyQualifiedClassNameFromNamespace($name);
        if (false !== $resolvedFromNamespace) {
            return $resolvedFromNamespace;
        }

        return $this->trimClassName($name);
    }

    /**
     * @param string $name
     * @return string
     */
    public function resolveVariableName(string $name) : string
    {
        if ($this->isScalar($name)) {
            return $name;
        }

        if ($this->isSelf($name)) {
            return $this->trimClassName($this->reflectionClass->name);
        }

        return $name;
    }

    /**
     * @return array
     */
    protected function readUse() : array
    {
        if (!array_key_exists('use', $this->structure)) {
            $numberOfTokens = count($this->tokens);
            $this->structure['use'] = [];

            for ($i = 0; $i < $numberOfTokens; ++$i) {
                $this->readToken($i, $numberOfTokens);
            }
        }

        return $this->structure['use'];
    }

    /**
     * @param int $tokenPosition
     * @param int $numberOfTokens
     */
    protected function readToken(int $tokenPosition, int $numberOfTokens)
    {
        if ($this->tokens[$tokenPosition][0] !== T_USE) {
            return;
        }

        $class = '';
        for ($j = $tokenPosition + 1; $j < $numberOfTokens; ++$j) {
            $this->useToken($j, $class);
        }
    }

    /**
     * @param int $tokenPosition
     * @param string $class
     */
    protected function useToken(int $tokenPosition, string &$class)
    {
        if ($this->tokens[$tokenPosition][0] === T_STRING) {
            $class .= '\\' . $this->tokens[$tokenPosition][1];
        } elseif ($this->tokens[$tokenPosition] === ';') {
            $this->useClass($class);
        }
    }

    /**
     * @param string $class
     */
    protected function useClass(string &$class)
    {
        $fullyQualifiedClassName = $this->deriveFullyQualifiedClassName($class);
        $this->structure['use'][$this->trimClassName($fullyQualifiedClassName)] = $this->trimClassName($class);
        $class = '';
    }

    /**
     * @param string $className
     * @return string
     */
    protected function deriveFullyQualifiedClassName(string $className) : string
    {
        while (!class_exists($className)) {
            $length = strrpos($className, '\\');
            if ($length === false) {
                return $className;
            }

            $className = substr($className, 0, $length);
        }

        return $className;
    }

    /**
     * @param string $name
     * @return bool
     */
    protected function isScalar(string $name) : bool
    {
        $scalars = [
            'int', 'integer',
            'bool', 'boolean',
            'string', 'array',
            'float', 'double', 'decimal',
        ];

        return in_array($name, $scalars, false);
    }

    /**
     * @param string $name
     * @return bool
     */
    protected function isSelf(string $name) : bool
    {
        $selves = [
            'self',
            'static',
            '$this'
        ];

        return in_array($name, $selves, false);
    }

    /**
     * @param string $class
     * @return bool|int|string
     */
    protected function resolveFullyQualifiedClassNameFromUse(string $class)
    {
        $length = strlen($class);

        foreach ($this->readUse() as $fullyQualifiedClassName => $useClassName) {
            if (substr($useClassName, -$length) === $class) {
                return $fullyQualifiedClassName;
            }
        }

        return false;
    }

    /**
     * @param string $class
     * @return bool|string
     */
    protected function resolveFullyQualifiedClassNameFromNamespace(string $class)
    {
        if (0 !== strpos($class, '\\')) {
            $fullyQualifiedClassName = "{$this->reflectionClass->getNamespaceName()}\\$class";
            if (class_exists($fullyQualifiedClassName)) {
                return $this->trimClassName($fullyQualifiedClassName);
            }
        }

        return false;
    }

    /**
     * @param string $name
     * @return string
     */
    protected function trimClassName(string $name) : string
    {
        return ltrim($name, '\\');
    }
}


1		<?php
2
3		declare(strict_types = 1);
4
5		namespace Leaditin\Annotations;
6
7		/**
8		* Class Tokenizer
9		*
10		* @package Leaditin\Annotations
11		* @author Igor Vuckovic
12		*/
13		class Tokenizer
14		{
15		/** @var \ReflectionClass */
16		protected $reflectionClass;
17
18		/** @var array */
19		protected $tokens;
20
21		/** @var array */
22		protected $structure;
23
24		/**
25		* @param \ReflectionClass $reflectionClass
26		*/
27	12	public function __construct(\ReflectionClass $reflectionClass)
28		{
29	12	$this->reflectionClass = $reflectionClass;
30	12	$this->tokens = token_get_all(file_get_contents($this->reflectionClass->getFileName()));
31	12	$this->structure = [];
32	12	}
33
34		/**
35		* @param string $name
36		* @return string
37		*/
38	11	public function resolveFullyQualifiedClassName(string $name) : string
39		{
40	11	$resolvedFromUse = $this->resolveFullyQualifiedClassNameFromUse($name);
41	11	if (false !== $resolvedFromUse) {
42	9	return $resolvedFromUse;
43		}
44
45	9	$resolvedFromNamespace = $this->resolveFullyQualifiedClassNameFromNamespace($name);
46	9	if (false !== $resolvedFromNamespace) {
47	8	return $resolvedFromNamespace;
48		}
49
50	8	return $this->trimClassName($name);
51		}
52
53		/**
54		* @param string $name
55		* @return string
56		*/
57	8	public function resolveVariableName(string $name) : string
58		{
59	8	if ($this->isScalar($name)) {
60	1	return $name;
61		}
62
63	7	if ($this->isSelf($name)) {
64	7	return $this->trimClassName($this->reflectionClass->name);
65		}
66
67	7	return $name;
68		}
69
70		/**
71		* @return array
72		*/
73	11	protected function readUse() : array
74		{
75	11	if (!array_key_exists('use', $this->structure)) {
76	11	$numberOfTokens = count($this->tokens);
77	11	$this->structure['use'] = [];
78
79	11	for ($i = 0; $i < $numberOfTokens; ++$i) {
80	11	$this->readToken($i, $numberOfTokens);
81		}
82		}
83
84	11	return $this->structure['use'];
85		}
86
87		/**
88		* @param int $tokenPosition
89		* @param int $numberOfTokens
90		*/
91	11	protected function readToken(int $tokenPosition, int $numberOfTokens)
92		{
93	11	if ($this->tokens[$tokenPosition][0] !== T_USE) {
94	11	return;
95		}
96
97	11	$class = '';
98	11	for ($j = $tokenPosition + 1; $j < $numberOfTokens; ++$j) {
99	11	$this->useToken($j, $class);
100		}
101	11	}
102
103		/**
104		* @param int $tokenPosition
105		* @param string $class
106		*/
107	11	protected function useToken(int $tokenPosition, string &$class)
108		{
109	11	if ($this->tokens[$tokenPosition][0] === T_STRING) {
110	11	$class .= '\\' . $this->tokens[$tokenPosition][1];
111	11	} elseif ($this->tokens[$tokenPosition] === ';') {
112	11	$this->useClass($class);
113		}
114	11	}
115
116		/**
117		* @param string $class
118		*/
119	11	protected function useClass(string &$class)
120		{
121	11	$fullyQualifiedClassName = $this->deriveFullyQualifiedClassName($class);
122	11	$this->structure['use'][$this->trimClassName($fullyQualifiedClassName)] = $this->trimClassName($class);
123	11	$class = '';
124	11	}
125
126		/**
127		* @param string $className
128		* @return string
129		*/
130	11	protected function deriveFullyQualifiedClassName(string $className) : string
131		{
132	11	while (!class_exists($className)) {
133	11	$length = strrpos($className, '\\');
134	11	if ($length === false) {
135	11	return $className;
136		}
137
138	11	$className = substr($className, 0, $length);
139		}
140
141	11	return $className;
142		}
143
144		/**
145		* @param string $name
146		* @return bool
147		*/
148	8	protected function isScalar(string $name) : bool
149		{
150		$scalars = [
151	8	'int', 'integer',
152		'bool', 'boolean',
153		'string', 'array',
154		'float', 'double', 'decimal',
155		];
156
157	8	return in_array($name, $scalars, false);
158		}
159
160		/**
161		* @param string $name
162		* @return bool
163		*/
164	7	protected function isSelf(string $name) : bool
165		{
166		$selves = [
167	7	'self',
168		'static',
169		'$this'
170		];
171
172	7	return in_array($name, $selves, false);
173		}
174
175		/**
176		* @param string $class
177		* @return bool\|int\|string
178		*/
179	11	protected function resolveFullyQualifiedClassNameFromUse(string $class)
180		{
181	11	$length = strlen($class);
182
183	11	foreach ($this->readUse() as $fullyQualifiedClassName => $useClassName) {
184	11	if (substr($useClassName, -$length) === $class) {
185	11	return $fullyQualifiedClassName;
186		}
187		}
188
189	9	return false;
190		}
191
192		/**
193		* @param string $class
194		* @return bool\|string
195		*/
196	9	protected function resolveFullyQualifiedClassNameFromNamespace(string $class)
197		{
198	9	if (0 !== strpos($class, '\\')) {
199	9	$fullyQualifiedClassName = "{$this->reflectionClass->getNamespaceName()}\\$class";
200	9	if (class_exists($fullyQualifiedClassName)) {
201	8	return $this->trimClassName($fullyQualifiedClassName);
202		}
203		}
204
205	8	return false;
206		}
207
208		/**
209		* @param string $name
210		* @return string
211		*/
212	11	protected function trimClassName(string $name) : string
213		{
214	11	return ltrim($name, '\\');
215		}
216		}
217

leaditin / annotations

Tokenizer::readToken() A last analyzed 2017-11-24 22:00 UTC

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Tokenizer::readToken() A
last analyzed 2017-11-24 22:00 UTC