ElementConstructorTrait::parseAttributesRealSwitch() - Code Metrics - Inspection of "updated suite of dev tools; targeting php ^7.4||^8..." - spider-mane/html - Measure and Improve Code Quality continuously with Scrutinizer

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by Chris

created 2022-05-23 19:34 UTC

parseAttributesRealSwitch() C

↳ Parent: ElementConstructorTrait

Complexity

Conditions	16
Paths	12

Size

Total Lines	52
Code Lines	29

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	16
eloc	29
nc	12
nop	2
dl	0
loc	52
rs	5.5666
c	1
b	0
f	0

How to fix Long Method Complexity

<?php

namespace WebTheory\Html\Traits;

use WebTheory\Html\Contracts\HtmlAttributeInterface;
use WebTheory\Html\TagSage;

/**
 *
 */
trait ElementConstructorTrait
{
    /**
     *
     */
    protected static function parseAttributes(array $attributes): string
    {
        return static::parseAttributesRealSwitch($attributes);
    }

    /**
     *
     */
    private static function parseAttributesReal(array $attrArr, string &$attrStr = ''): string
    {
        foreach ($attrArr as $attr => $val) {

            // don't add empty strings or null values
            if ('' === $val && 'value' !== $attr || null === $val) {

                continue;
            }

            // simple attribute
            if (is_string($val) || is_numeric($val)) {
                $attrStr .= static::renderAttribute($attr, $val);
                continue;
            }

            // support interface for defining custom parsing schemes
            if ($val instanceof HtmlAttributeInterface) {
                $attrStr .= static::renderAttribute($attr, $val->parse());
                continue;
            }

            // boolean attribute
            if ($val === true) {
                $attrStr .= static::renderAttribute($attr, $attr);
                continue;
            }

            // treat numerical keys as boolean values
            if (is_int($attr)) {
                $attrStr .= static::renderAttribute($val, $val);
                continue;
            }

            // support for passing an array of boolean values
            if ('@boolean' === $attr) {
                foreach ((array) $val as $bool) {
                    $attrStr .= static::renderAttribute($bool, $bool);
                }
                continue;
            }

            // support for converting indexed array to DOMTokenList
            if (is_array($val) && isset($val[0])) {
                $val = implode(' ', array_filter($val));
                $attrStr .= static::renderAttribute($attr, $val);
                continue;
            }

            // support for converting associative array to DOMStringMap
            if (is_array($val)) {
                foreach ($val as $set => $setval) {
                    static::parseAttributesReal(["{$attr}-{$set}" => $setval], $attrStr);
                }
                continue;
            }
        }

        return $attrStr;
    }

    /**
     *
     */
    private static function parseAttributesRealSwitch(array $attrArr, string &$attrStr = ''): string
    {
        foreach ($attrArr as $attr => $val) {

            switch (true) {
                    // don't add empty strings or null values
                case ('' === $val && 'value' !== $attr || null === $val):
                    break;

                    // simple attribute
                case (is_string($val) || is_numeric($val)):
                    $attrStr .= static::renderAttribute($attr, $val);
                    break;

                    // support interface for defining custom parsing schemes
                case ($val instanceof HtmlAttributeInterface):
                    $attrStr .= static::renderAttribute($attr, $val->parse());
                    break;

                    // boolean attribute
                case ($val === true):
                    $attrStr .= static::renderAttribute($attr, $attr);
                    break;

                    // treat numerical keys as boolean values
                case (is_int($attr)):
                    $attrStr .= static::renderAttribute($val, $val);
                    break;

                    // support for passing an array of boolean values
                case ('@bool' === $attr):
                    foreach ((array) $val as $bool) {
                        $attrStr .= static::renderAttribute($bool, $bool);
                    }
                    break;

                    // support for converting indexed array to DOMTokenList
                case (is_array($val) && isset($val[0])):
                    $val = implode(' ', array_filter($val));
                    $attrStr .= static::renderAttribute($attr, $val);
                    break;

                    // support for converting associative array to DOMStringMap
                case (is_array($val)):
                    foreach ($val as $set => $setval) {
                        static::parseAttributesRealSwitch(["{$attr}-{$set}" => $setval], $attrStr);
                    }
                    break;
            }
        }

        return $attrStr;
    }

    /**
     *
     */
    protected static function renderAttribute($attribute, $value): string
    {
        $value = static::escapeAttribute($value);

        return " {$attribute}=\"{$value}\"";
    }

    /**
     *
     */
    protected static function escapeAttribute($attribute): string
    {
        return htmlspecialchars($attribute);
    }

    /**
     *
     */
    protected static function tag(string $tag, array $attributes = [], string $inner = ''): string
    {
        return static::open($tag, $attributes) . static::maybeClose($tag, $inner);
    }

    /**
     *
     */
    protected static function open(string $tag, array $attributes = []): string
    {
        $attributes = static::maybeParseAttributes($attributes);
        $slash = static::maybeAddSlash($tag);

        return "<{$tag}{$attributes}{$slash}>";
    }

    /**
     *
     */
    protected static function close(string $tag): string
    {
        return "</{$tag}>";
    }

    /**
     *
     */
    protected static function maybeClose(string $tag, string $inner = ''): string
    {
        return static::tagIsVoid($tag) ? '' : $inner . static::close($tag);
    }

    /**
     *
     */
    protected static function maybeParseAttributes(array $attributes): string
    {
        return empty($attributes) ? '' : static::parseAttributes($attributes);
    }

    /**
     *
     */
    protected static function maybeAddSlash(string $tag): string
    {
        return static::tagIsVoid($tag) ? ' /' : '';
    }

    /**
     *
     */
    protected static function tagIsVoid(string $tag): bool
    {
        return TagSage::isIt('self_closing', $tag);
    }

    /**
     *
     */
    protected static function indent(int $levels = 0): string
    {
        return str_repeat('&nbsp;', $levels);
    }

    /**
     *
     */
    protected static function newLine(bool $newLine = false): string
    {
        return $newLine ? "\n" : '';
    }
}


1			<?php
2
3			namespace WebTheory\Html\Traits;
4
5			use WebTheory\Html\Contracts\HtmlAttributeInterface;
6			use WebTheory\Html\TagSage;
7
8			/**
9			*
10			*/
11			trait ElementConstructorTrait
12			{
13			/**
14			*
15			*/
16			protected static function parseAttributes(array $attributes): string
17			{
18			return static::parseAttributesRealSwitch($attributes);
19			}
20
21			/**
22			*
23			*/
24			private static function parseAttributesReal(array $attrArr, string &$attrStr = ''): string
25			{
26			foreach ($attrArr as $attr => $val) {
27
28			// don't add empty strings or null values
29			if ('' === $val && 'value' !== $attr \|\| null === $val) {
			0 ignored issues – show introduced 2022-05-23 20:03 UTC by Report Bug Copy Issue Report Consider adding parentheses for clarity. Current Interpretation: `('' === $val && 'value' ...$attr) \|\| null === $val`, Probably Intended Meaning: `'' === $val && ('value' ...$attr \|\| null === $val)` Loading history...
30			continue;
31			}
32
33			// simple attribute
34			if (is_string($val) \|\| is_numeric($val)) {
35			$attrStr .= static::renderAttribute($attr, $val);
36			continue;
37			}
38
39			// support interface for defining custom parsing schemes
40			if ($val instanceof HtmlAttributeInterface) {
41			$attrStr .= static::renderAttribute($attr, $val->parse());
42			continue;
43			}
44
45			// boolean attribute
46			if ($val === true) {
47			$attrStr .= static::renderAttribute($attr, $attr);
48			continue;
49			}
50
51			// treat numerical keys as boolean values
52			if (is_int($attr)) {
53			$attrStr .= static::renderAttribute($val, $val);
54			continue;
55			}
56
57			// support for passing an array of boolean values
58			if ('@boolean' === $attr) {
59			foreach ((array) $val as $bool) {
60			$attrStr .= static::renderAttribute($bool, $bool);
61			}
62			continue;
63			}
64
65			// support for converting indexed array to DOMTokenList
66			if (is_array($val) && isset($val[0])) {
67			$val = implode(' ', array_filter($val));
68			$attrStr .= static::renderAttribute($attr, $val);
69			continue;
70			}
71
72			// support for converting associative array to DOMStringMap
73			if (is_array($val)) {
74			foreach ($val as $set => $setval) {
75			static::parseAttributesReal(["{$attr}-{$set}" => $setval], $attrStr);
76			}
77			continue;
78			}
79			}
80
81			return $attrStr;
82			}
83
84			/**
85			*
86			*/
87			private static function parseAttributesRealSwitch(array $attrArr, string &$attrStr = ''): string
88			{
89			foreach ($attrArr as $attr => $val) {
90
91			switch (true) {
92			// don't add empty strings or null values
93			case ('' === $val && 'value' !== $attr \|\| null === $val):
94			break;
95
96			// simple attribute
97			case (is_string($val) \|\| is_numeric($val)):
98			$attrStr .= static::renderAttribute($attr, $val);
99			break;
100
101			// support interface for defining custom parsing schemes
102			case ($val instanceof HtmlAttributeInterface):
103			$attrStr .= static::renderAttribute($attr, $val->parse());
104			break;
105
106			// boolean attribute
107			case ($val === true):
108			$attrStr .= static::renderAttribute($attr, $attr);
109			break;
110
111			// treat numerical keys as boolean values
112			case (is_int($attr)):
113			$attrStr .= static::renderAttribute($val, $val);
114			break;
115
116			// support for passing an array of boolean values
117			case ('@bool' === $attr):
118			foreach ((array) $val as $bool) {
119			$attrStr .= static::renderAttribute($bool, $bool);
120			}
121			break;
122
123			// support for converting indexed array to DOMTokenList
124			case (is_array($val) && isset($val[0])):
125			$val = implode(' ', array_filter($val));
126			$attrStr .= static::renderAttribute($attr, $val);
127			break;
128
129			// support for converting associative array to DOMStringMap
130			case (is_array($val)):
131			foreach ($val as $set => $setval) {
132			static::parseAttributesRealSwitch(["{$attr}-{$set}" => $setval], $attrStr);
133			}
134			break;
135			}
136			}
137
138			return $attrStr;
139			}
140
141			/**
142			*
143			*/
144			protected static function renderAttribute($attribute, $value): string
145			{
146			$value = static::escapeAttribute($value);
147
148			return " {$attribute}=\"{$value}\"";
149			}
150
151			/**
152			*
153			*/
154			protected static function escapeAttribute($attribute): string
155			{
156			return htmlspecialchars($attribute);
157			}
158
159			/**
160			*
161			*/
162			protected static function tag(string $tag, array $attributes = [], string $inner = ''): string
163			{
164			return static::open($tag, $attributes) . static::maybeClose($tag, $inner);
165			}
166
167			/**
168			*
169			*/
170			protected static function open(string $tag, array $attributes = []): string
171			{
172			$attributes = static::maybeParseAttributes($attributes);
173			$slash = static::maybeAddSlash($tag);
174
175			return "<{$tag}{$attributes}{$slash}>";
176			}
177
178			/**
179			*
180			*/
181			protected static function close(string $tag): string
182			{
183			return "</{$tag}>";
184			}
185
186			/**
187			*
188			*/
189			protected static function maybeClose(string $tag, string $inner = ''): string
190			{
191			return static::tagIsVoid($tag) ? '' : $inner . static::close($tag);
192			}
193
194			/**
195			*
196			*/
197			protected static function maybeParseAttributes(array $attributes): string
198			{
199			return empty($attributes) ? '' : static::parseAttributes($attributes);
200			}
201
202			/**
203			*
204			*/
205			protected static function maybeAddSlash(string $tag): string
206			{
207			return static::tagIsVoid($tag) ? ' /' : '';
208			}
209
210			/**
211			*
212			*/
213			protected static function tagIsVoid(string $tag): bool
214			{
215			return TagSage::isIt('self_closing', $tag);
216			}
217
218			/**
219			*
220			*/
221			protected static function indent(int $levels = 0): string
222			{
223			return str_repeat(' ', $levels);
224			}
225
226			/**
227			*
228			*/
229			protected static function newLine(bool $newLine = false): string
230			{
231			return $newLine ? "\n" : '';
232			}
233			}
234

spider-mane / html

Push — master ( f2bdc0...e2cac0 )

parseAttributesRealSwitch() C

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