JsFunctionsScanner::prepareArgument() - Code Metrics - Inspection of "Fix stripping backslash from new line characters i..." - oscarotero/Gettext - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#201)

unknown

created 2019-03-21 15:13 UTC

JsFunctionsScanner::prepareArgument() A

↳ Parent: JsFunctionsScanner

Complexity

Conditions	4
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
nc	2
nop	1
dl	0
loc	6
rs	10
c	0
b	0
f	0

<?php

namespace Gettext\Utils;

class JsFunctionsScanner extends FunctionsScanner
{
    protected $code;
    protected $status = [];

    /**
     * Constructor.
     *
     * @param string $code The php code to scan
     */
    public function __construct($code)
    {
        // Normalize newline characters
        $this->code = str_replace(["\r\n", "\n\r", "\r"], "\n", $code);
    }

    /**
     * {@inheritdoc}
     */
    public function getFunctions(array $constants = [])
    {
        $length = strlen($this->code);
        $line = 1;
        $buffer = '';
        $functions = [];
        $bufferFunctions = [];
        $char = null;

        for ($pos = 0; $pos < $length; ++$pos) {
            $prev = $char;
            $char = $this->code[$pos];
            $next = isset($this->code[$pos + 1]) ? $this->code[$pos + 1] : null;

            switch ($char) {
                case '\\':
                    $pos++;

                    if ($next !== 'n') {
                        $prev = $char;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                        $char = $next;
                        $next = isset($this->code[$pos]) ? $this->code[$pos] : null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

                        break;
                    }

                    $char = "\n";
                    $next = isset($this->code[$pos]) ? $this->code[$pos] : null;
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

                case "\n":
                    ++$line;

                    if ($this->status('line-comment')) {
                        $this->upStatus();
                    }
                    break;

                case '/':
                    switch ($this->status()) {
                        case 'simple-quote':
                        case 'double-quote':
                        case 'line-comment':
                            break;

                        case 'block-comment':
                            if ($prev === '*') {
                                $this->upStatus();
                            }
                            break;

                        default:
                            if ($next === '/') {
                                $this->downStatus('line-comment');
                            } elseif ($next === '*') {
                                $this->downStatus('block-comment');
                            }
                            break;
                    }
                    break;

                case "'":

                    switch ($this->status()) {
                        case 'simple-quote':
                            $this->upStatus();
                            break;

                        case 'line-comment':
                        case 'block-comment':
                        case 'double-quote':
                            break;

                        default:
                            $this->downStatus('simple-quote');
                            break;
                    }
                    break;

                case '"':

                    switch ($this->status()) {
                        case 'double-quote':
                            $this->upStatus();
                            break;

                        case 'line-comment':
                        case 'block-comment':
                        case 'simple-quote':
                            break;

                        default:
                            $this->downStatus('double-quote');
                            break;
                    }
                    break;

                case '(':
                    switch ($this->status()) {
                        case 'simple-quote':
                        case 'double-quote':
                        case 'line-comment':
                        case 'block-comment':
                        case 'line-comment':
                            break;

                        default:
                            if ($buffer && preg_match('/(\w+)$/', $buffer, $matches)) {
                                $this->downStatus('function');
                                array_unshift($bufferFunctions, [$matches[1], $line, []]);
                                $buffer = '';
                                continue 3;
                            }
                            break;
                    }
                    break;

                case ')':
                    switch ($this->status()) {
                        case 'function':
                            if (($argument = self::prepareArgument($buffer))) {
                                $bufferFunctions[0][2][] = $argument;
                            }

                            if (!empty($bufferFunctions)) {
                                $functions[] = array_shift($bufferFunctions);
                            }

                            $this->upStatus();
                            $buffer = '';
                            continue 3;
                    }
                    break;

                case ',':
                    switch ($this->status()) {
                        case 'function':
                            if (($argument = self::prepareArgument($buffer))) {
                                $bufferFunctions[0][2][] = $argument;
                            }

                            $buffer = '';
                            continue 3;
                    }
                    break;

                case ' ':
                case '\t':
                    switch ($this->status()) {
                        case 'double-quote':
                        case 'simple-quote':
                            break;

                        default:
                            $buffer = '';
                            continue 3;
                    }
                    break;
            }

            switch ($this->status()) {
                case 'line-comment':
                case 'block-comment':
                    break;

                default:
                    $buffer .= $char;
                    break;
            }
        }

        return $functions;
    }

    /**
     * Get the current context of the scan.
     *
     * @param null|string $match To check whether the current status is this value
     *
     * @return string|bool
     */
    protected function status($match = null)
    {
        $status = isset($this->status[0]) ? $this->status[0] : null;

        if ($match !== null) {
            return $status === $match;
        }

        return $status;
    }

    /**
     * Add a new status to the stack.
     *
     * @param string $status
     */
    protected function downStatus($status)
    {
        array_unshift($this->status, $status);
    }

    /**
     * Removes and return the current status.
     *
     * @return string|null
     */
    protected function upStatus()
    {
        return array_shift($this->status);
    }

    /**
     * Prepares the arguments found in functions.
     *
     * @param string $argument
     *
     * @return string
     */
    protected static function prepareArgument($argument)
    {
        if ($argument && ($argument[0] === '"' || $argument[0] === "'")) {
            return substr($argument, 1, -1);
        }
    }
}


1		<?php
2
3		namespace Gettext\Utils;
4
5		class JsFunctionsScanner extends FunctionsScanner
6		{
7		protected $code;
8		protected $status = [];
9
10		/**
11		* Constructor.
12		*
13		* @param string $code The php code to scan
14		*/
15		public function __construct($code)
16		{
17		// Normalize newline characters
18		$this->code = str_replace(["\r\n", "\n\r", "\r"], "\n", $code);
19		}
20
21		/**
22		* {@inheritdoc}
23		*/
24		public function getFunctions(array $constants = [])
25		{
26		$length = strlen($this->code);
27		$line = 1;
28		$buffer = '';
29		$functions = [];
30		$bufferFunctions = [];
31		$char = null;
32
33		for ($pos = 0; $pos < $length; ++$pos) {
34		$prev = $char;
35		$char = $this->code[$pos];
36		$next = isset($this->code[$pos + 1]) ? $this->code[$pos + 1] : null;
37
38		switch ($char) {
39		case '\\':
40		$pos++;
41
42		if ($next !== 'n') {
43		$prev = $char;
		0 ignored issues – show Unused Code introduced 2019-03-21 15:25 UTC by Report Bug Copy Issue Report `$prev` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
44		$char = $next;
45		$next = isset($this->code[$pos]) ? $this->code[$pos] : null;
		0 ignored issues – show Unused Code introduced 2019-03-21 15:25 UTC by Report Bug Copy Issue Report `$next` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
46
47		break;
48		}
49
50		$char = "\n";
51		$next = isset($this->code[$pos]) ? $this->code[$pos] : null;
		0 ignored issues – show Unused Code introduced 2017-07-27 12:48 UTC by Report Bug Copy Issue Report `$next` is not used, you could remove the assignment. This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value'; $higher = false; if (rand(1, 6) > 3) { $higher = true; } else { $higher = false; } Both the `$myVar` assignment in line 1 and the `$higher` assignment in line 2 are dead. The first because `$myVar` is never used and the second because `$higher` is always overwritten for every possible time line. Loading history...
52
53		case "\n":
54		++$line;
55
56		if ($this->status('line-comment')) {
57		$this->upStatus();
58		}
59		break;
60
61		case '/':
62		switch ($this->status()) {
63		case 'simple-quote':
64		case 'double-quote':
65		case 'line-comment':
66		break;
67
68		case 'block-comment':
69		if ($prev === '*') {
70		$this->upStatus();
71		}
72		break;
73
74		default:
75		if ($next === '/') {
76		$this->downStatus('line-comment');
77		} elseif ($next === '*') {
78		$this->downStatus('block-comment');
79		}
80		break;
81		}
82		break;
83
84	View Code Duplication	case "'":
		0 ignored issues – show Duplication introduced 2015-11-24 13:28 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
85		switch ($this->status()) {
86		case 'simple-quote':
87		$this->upStatus();
88		break;
89
90		case 'line-comment':
91		case 'block-comment':
92		case 'double-quote':
93		break;
94
95		default:
96		$this->downStatus('simple-quote');
97		break;
98		}
99		break;
100
101	View Code Duplication	case '"':
		0 ignored issues – show Duplication introduced 2015-11-24 13:28 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
102		switch ($this->status()) {
103		case 'double-quote':
104		$this->upStatus();
105		break;
106
107		case 'line-comment':
108		case 'block-comment':
109		case 'simple-quote':
110		break;
111
112		default:
113		$this->downStatus('double-quote');
114		break;
115		}
116		break;
117
118		case '(':
119		switch ($this->status()) {
120		case 'simple-quote':
121		case 'double-quote':
122		case 'line-comment':
123		case 'block-comment':
124		case 'line-comment':
125		break;
126
127		default:
128		if ($buffer && preg_match('/(\w+)$/', $buffer, $matches)) {
129		$this->downStatus('function');
130		array_unshift($bufferFunctions, [$matches[1], $line, []]);
131		$buffer = '';
132		continue 3;
133		}
134		break;
135		}
136		break;
137
138		case ')':
139		switch ($this->status()) {
140		case 'function':
141		if (($argument = self::prepareArgument($buffer))) {
142		$bufferFunctions[0][2][] = $argument;
143		}
144
145		if (!empty($bufferFunctions)) {
146		$functions[] = array_shift($bufferFunctions);
147		}
148
149		$this->upStatus();
150		$buffer = '';
151		continue 3;
152		}
153		break;
154
155		case ',':
156		switch ($this->status()) {
157		case 'function':
158		if (($argument = self::prepareArgument($buffer))) {
159		$bufferFunctions[0][2][] = $argument;
160		}
161
162		$buffer = '';
163		continue 3;
164		}
165		break;
166
167		case ' ':
168		case '\t':
169		switch ($this->status()) {
170		case 'double-quote':
171		case 'simple-quote':
172		break;
173
174		default:
175		$buffer = '';
176		continue 3;
177		}
178		break;
179		}
180
181		switch ($this->status()) {
182		case 'line-comment':
183		case 'block-comment':
184		break;
185
186		default:
187		$buffer .= $char;
188		break;
189		}
190		}
191
192		return $functions;
193		}
194
195		/**
196		* Get the current context of the scan.
197		*
198		* @param null\|string $match To check whether the current status is this value
199		*
200		* @return string\|bool
201		*/
202		protected function status($match = null)
203		{
204		$status = isset($this->status[0]) ? $this->status[0] : null;
205
206		if ($match !== null) {
207		return $status === $match;
208		}
209
210		return $status;
211		}
212
213		/**
214		* Add a new status to the stack.
215		*
216		* @param string $status
217		*/
218		protected function downStatus($status)
219		{
220		array_unshift($this->status, $status);
221		}
222
223		/**
224		* Removes and return the current status.
225		*
226		* @return string\|null
227		*/
228		protected function upStatus()
229		{
230		return array_shift($this->status);
231		}
232
233		/**
234		* Prepares the arguments found in functions.
235		*
236		* @param string $argument
237		*
238		* @return string
239		*/
240		protected static function prepareArgument($argument)
241		{
242		if ($argument && ($argument[0] === '"' \|\| $argument[0] === "'")) {
243		return substr($argument, 1, -1);
244		}
245		}
246		}
247

oscarotero / Gettext

Pull Request — master (#201)

JsFunctionsScanner::prepareArgument() A

Complexity

Size

Duplication

Importance

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