EmailLexer::__construct() - Code Metrics - Inspection of "Fix PHP 7.4 support for 1.x" - egulias/EmailValidator - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — 1.2 (#206)

by Michele

created 2019-07-31 06:38 UTC

EmailLexer::__construct() A

↳ Parent: EmailLexer

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	1

<?php

namespace Egulias\EmailValidator;

use Doctrine\Common\Lexer\AbstractLexer;

class EmailLexer extends AbstractLexer
{
    //ASCII values
    const C_DEL              = 127;
    const C_NUL              = 0;
    const S_AT               = 64;
    const S_BACKSLASH        = 92;
    const S_DOT              = 46;
    const S_DQUOTE           = 34;
    const S_OPENPARENTHESIS  = 49;
    const S_CLOSEPARENTHESIS = 261;
    const S_OPENBRACKET      = 262;
    const S_CLOSEBRACKET     = 263;
    const S_HYPHEN           = 264;
    const S_COLON            = 265;
    const S_DOUBLECOLON      = 266;
    const S_SP               = 267;
    const S_HTAB             = 268;
    const S_CR               = 269;
    const S_LF               = 270;
    const S_IPV6TAG          = 271;
    const S_LOWERTHAN        = 272;
    const S_GREATERTHAN      = 273;
    const S_COMMA            = 274;
    const S_SEMICOLON        = 275;
    const S_OPENQBRACKET     = 276;
    const S_CLOSEQBRACKET    = 277;
    const S_SLASH            = 278;
    const S_EMPTY            = null;
    const GENERIC            = 300;
    const CRLF               = 301;
    const INVALID            = 302;
    const ASCII_INVALID_FROM = 127;
    const ASCII_INVALID_TO   = 199;

    /**
     * US-ASCII visible characters not valid for atext (@link http://tools.ietf.org/html/rfc5322#section-3.2.3)
     *
     * @var array
     */
    protected $charValue = array(
        '('    => self::S_OPENPARENTHESIS,
        ')'    => self::S_CLOSEPARENTHESIS,
        '<'    => self::S_LOWERTHAN,
        '>'    => self::S_GREATERTHAN,
        '['    => self::S_OPENBRACKET,
        ']'    => self::S_CLOSEBRACKET,
        ':'    => self::S_COLON,
        ';'    => self::S_SEMICOLON,
        '@'    => self::S_AT,
        '\\'   => self::S_BACKSLASH,
        '/'    => self::S_SLASH,
        ','    => self::S_COMMA,
        '.'    => self::S_DOT,
        '"'    => self::S_DQUOTE,
        '-'    => self::S_HYPHEN,
        '::'   => self::S_DOUBLECOLON,
        ' '    => self::S_SP,
        "\t"   => self::S_HTAB,
        "\r"   => self::S_CR,
        "\n"   => self::S_LF,
        "\r\n" => self::CRLF,
        'IPv6' => self::S_IPV6TAG,
        '{'    => self::S_OPENQBRACKET,
        '}'    => self::S_CLOSEQBRACKET,
        ''     => self::S_EMPTY,
        '\0'   => self::C_NUL,
    );

    protected $hasInvalidTokens = false;

    protected $previous;

    private static $nullToken = [
        'value' => '',
        'type' => null,
        'position' => 0,
    ];

    public function __construct()
    {
        $this->previous = $this->token = self::$nullToken;
    }

    public function reset()
    {
        $this->hasInvalidTokens = false;
        parent::reset();
        $this->previous = $this->token = self::$nullToken;
    }

    public function hasInvalidTokens()
    {
        return $this->hasInvalidTokens;
    }

    /**
     * @param $type
     * @throws \UnexpectedValueException
     * @return boolean
     */
    public function find($type)
    {
        $search = clone $this;
        $search->skipUntil($type);

        if (!$search->lookahead) {

            throw new \UnexpectedValueException($type . ' not found');
        }
        return true;
    }

    /**
     * getPrevious
     *
     * @return array token
     */
    public function getPrevious()
    {
        return $this->previous;
    }

    /**
     * moveNext
     *
     * @return boolean
     */
    public function moveNext()
    {
        $this->previous = $this->token;
        $hasNext = parent::moveNext();
        $this->token = $this->token ?: self::$nullToken;

        return $hasNext;
    }

    /**
     * Lexical catchable patterns.
     *
     * @return string[]
     */
    protected function getCatchablePatterns()
    {
        return array(
            '[a-zA-Z_]+[46]?', //ASCII and domain literal
            '[^\x00-\x7F]',  //UTF-8
            '[0-9]+',
            '\r\n',
            '::',
            '\s+?',
            '.',
            );
    }

    /**
     * Lexical non-catchable patterns.
     *
     * @return string[]
     */
    protected function getNonCatchablePatterns()
    {
        return array('[\xA0-\xff]+');
    }

    /**
     * Retrieve token type. Also processes the token value if necessary.
     *
     * @param string $value
     * @throws \InvalidArgumentException
     * @return integer
     */
    protected function getType(&$value)
    {
        if ($this->isNullType($value)) {
            return self::C_NUL;
        }

        if ($this->isValid($value)) {
            return $this->charValue[$value];
        }

        if ($this->isUTF8Invalid($value)) {
            $this->hasInvalidTokens = true;
            return self::INVALID;
        }

        return  self::GENERIC;
    }

    protected function isValid($value)
    {
        if (isset($this->charValue[$value])) {
            return true;
        }

        return false;
    }

    /**
     * @param $value
     * @return bool
     */
    protected function isNullType($value)
    {
        if ($value === "\0") {
            return true;
        }

        return false;
    }

    /**
     * @param $value
     * @return bool
     */
    protected function isUTF8Invalid($value)
    {
        if (preg_match('/\p{Cc}+/u', $value)) {
            return true;
        }

        return false;
    }

    protected function getModifiers()
    {
        return 'iu';
    }
}


1		<?php
2
3		namespace Egulias\EmailValidator;
4
5		use Doctrine\Common\Lexer\AbstractLexer;
6
7		class EmailLexer extends AbstractLexer
8		{
9		//ASCII values
10		const C_DEL = 127;
11		const C_NUL = 0;
12		const S_AT = 64;
13		const S_BACKSLASH = 92;
14		const S_DOT = 46;
15		const S_DQUOTE = 34;
16		const S_OPENPARENTHESIS = 49;
17		const S_CLOSEPARENTHESIS = 261;
18		const S_OPENBRACKET = 262;
19		const S_CLOSEBRACKET = 263;
20		const S_HYPHEN = 264;
21		const S_COLON = 265;
22		const S_DOUBLECOLON = 266;
23		const S_SP = 267;
24		const S_HTAB = 268;
25		const S_CR = 269;
26		const S_LF = 270;
27		const S_IPV6TAG = 271;
28		const S_LOWERTHAN = 272;
29		const S_GREATERTHAN = 273;
30		const S_COMMA = 274;
31		const S_SEMICOLON = 275;
32		const S_OPENQBRACKET = 276;
33		const S_CLOSEQBRACKET = 277;
34		const S_SLASH = 278;
35		const S_EMPTY = null;
36		const GENERIC = 300;
37		const CRLF = 301;
38		const INVALID = 302;
39		const ASCII_INVALID_FROM = 127;
40		const ASCII_INVALID_TO = 199;
41
42		/**
43		* US-ASCII visible characters not valid for atext (@link http://tools.ietf.org/html/rfc5322#section-3.2.3)
44		*
45		* @var array
46		*/
47		protected $charValue = array(
48		'(' => self::S_OPENPARENTHESIS,
49		')' => self::S_CLOSEPARENTHESIS,
50		'<' => self::S_LOWERTHAN,
51		'>' => self::S_GREATERTHAN,
52		'[' => self::S_OPENBRACKET,
53		']' => self::S_CLOSEBRACKET,
54		':' => self::S_COLON,
55		';' => self::S_SEMICOLON,
56		'@' => self::S_AT,
57		'\\' => self::S_BACKSLASH,
58		'/' => self::S_SLASH,
59		',' => self::S_COMMA,
60		'.' => self::S_DOT,
61		'"' => self::S_DQUOTE,
62		'-' => self::S_HYPHEN,
63		'::' => self::S_DOUBLECOLON,
64		' ' => self::S_SP,
65		"\t" => self::S_HTAB,
66		"\r" => self::S_CR,
67		"\n" => self::S_LF,
68		"\r\n" => self::CRLF,
69		'IPv6' => self::S_IPV6TAG,
70		'{' => self::S_OPENQBRACKET,
71		'}' => self::S_CLOSEQBRACKET,
72		'' => self::S_EMPTY,
73		'\0' => self::C_NUL,
74		);
75
76		protected $hasInvalidTokens = false;
77
78		protected $previous;
79
80		private static $nullToken = [
81		'value' => '',
82		'type' => null,
83		'position' => 0,
84		];
85
86	248	public function __construct()
87		{
88	248	$this->previous = $this->token = self::$nullToken;
89	248	}
90
91	247	public function reset()
92		{
93	247	$this->hasInvalidTokens = false;
94	247	parent::reset();
95	247	$this->previous = $this->token = self::$nullToken;
96	247	}
97
98	75	public function hasInvalidTokens()
99		{
100	75	return $this->hasInvalidTokens;
101		}
102
103		/**
104		* @param $type
105		* @throws \UnexpectedValueException
106		* @return boolean
107		*/
108	64	public function find($type)
109		{
110	64	$search = clone $this;
111	64	$search->skipUntil($type);
112
113	64	if (!$search->lookahead) {
		0 ignored issues – show Bug Best Practice introduced 2016-04-28 23:00 UTC by Report Bug Copy Issue Report The expression `$search->lookahead` of type `array` is implicitly converted to a boolean; are you sure this is intended? If so, consider using `empty($expr)` instead to make it clear that you intend to check for an array without elements. This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent. Consider making the comparison explicit by using `empty(..)` or `! empty(...)` instead. Loading history...
114	6	throw new \UnexpectedValueException($type . ' not found');
115		}
116	60	return true;
117		}
118
119		/**
120		* getPrevious
121		*
122		* @return array token
123		*/
124	143	public function getPrevious()
125		{
126	143	return $this->previous;
127		}
128
129		/**
130		* moveNext
131		*
132		* @return boolean
133		*/
134	247	public function moveNext()
135		{
136	247	$this->previous = $this->token;
137	247	$hasNext = parent::moveNext();
138	247	$this->token = $this->token ?: self::$nullToken;
139
140	247	return $hasNext;
141		}
142
143		/**
144		* Lexical catchable patterns.
145		*
146		* @return string[]
147		*/
148	1	protected function getCatchablePatterns()
149		{
150		return array(
151	1	'[a-zA-Z_]+[46]?', //ASCII and domain literal
152	1	'[^\x00-\x7F]', //UTF-8
153	1	'[0-9]+',
154	1	'\r\n',
155	1	'::',
156	1	'\s+?',
157	1	'.',
158	1	);
159		}
160
161		/**
162		* Lexical non-catchable patterns.
163		*
164		* @return string[]
165		*/
166	1	protected function getNonCatchablePatterns()
167		{
168	1	return array('[\xA0-\xff]+');
169		}
170
171		/**
172		* Retrieve token type. Also processes the token value if necessary.
173		*
174		* @param string $value
175		* @throws \InvalidArgumentException
176		* @return integer
177		*/
178	246	protected function getType(&$value)
179		{
180	246	if ($this->isNullType($value)) {
181	2	return self::C_NUL;
182		}
183
184	245	if ($this->isValid($value)) {
185	178	return $this->charValue[$value];
186		}
187
188	218	if ($this->isUTF8Invalid($value)) {
189	62	$this->hasInvalidTokens = true;
190	62	return self::INVALID;
191		}
192
193	156	return self::GENERIC;
194		}
195
196	245	protected function isValid($value)
197		{
198	245	if (isset($this->charValue[$value])) {
199	178	return true;
200		}
201
202	218	return false;
203		}
204
205		/**
206		* @param $value
207		* @return bool
208		*/
209	246	protected function isNullType($value)
210		{
211	246	if ($value === "\0") {
212	2	return true;
213		}
214
215	245	return false;
216		}
217
218		/**
219		* @param $value
220		* @return bool
221		*/
222	218	protected function isUTF8Invalid($value)
223		{
224	218	if (preg_match('/\p{Cc}+/u', $value)) {
225	62	return true;
226		}
227
228	156	return false;
229		}
230
231	1	protected function getModifiers()
232		{
233	1	return 'iu';
234		}
235		}
236

egulias / EmailValidator

Pull Request — 1.2 (#206)

EmailLexer::__construct() A

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