Compiler::componentString() - Code Metrics - spatie/laravel-blade-x - Measure and Improve Code Quality continuously with Scrutinizer

Compiler::componentString() A
last analyzed 2020-03-03 07:26 UTC

↳ Parent: Compiler

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

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

<?php

namespace Spatie\BladeX;

use Illuminate\Support\Str;

class Compiler
{
    /** @var \Spatie\BladeX\BladeX */
    protected $bladeX;

    public function __construct(BladeX $bladeX)
    {
        return $this->bladeX = $bladeX;

    }

    public function compile(string $viewContents): string
    {
        return array_reduce(
            $this->bladeX->registeredComponents(),
            [$this, 'parseComponentHtml'],
            $viewContents
        );
    }

    protected function parseComponentHtml(string $viewContents, Component $component)
    {
        $viewContents = $this->parseSlots($viewContents);

        $viewContents = $this->parseSelfClosingTags($viewContents, $component);

        $viewContents = $this->parseOpeningTags($viewContents, $component);

        $viewContents = $this->parseClosingTags($viewContents, $component);

        return $viewContents;
    }

    protected function parseSelfClosingTags(string $viewContents, Component $component): string

    {
        $pattern = "/
            <
                \s*
                {$component->getTag()}
                \s*
                (?<attributes>
                    (?:
                        \s+
                        [\w\-:.\$]+
                        (
                            =
                            (?:
                                \\\"[^\\\"]+\\\"
                                |
                                \'[^\']+\'
                                |
                                [^\'\\\"=<>]+
                            )
                        )?
                    )*
                    \s*
                )
            \/>
        /x";

        return preg_replace_callback($pattern, function (array $matches) use ($component) {
            $attributes = $this->getAttributesFromAttributeString($matches['attributes']);

            return $this->componentString($component, $attributes);
        }, $viewContents);
    }

    protected function parseOpeningTags(string $viewContents, Component $component): string

    {
        $pattern = "/
            <
                \s*
                {$component->getTag()}
                (?<attributes>
                    (?:
                        \s+
                        [\w\-:.\$]+
                        (
                            =
                            (?:
                                \\\"[^\\\"]*\\\"
                                |
                                \'[^\']*\'
                                |
                                [^\'\\\"=<>]+
                            )
                        )
                    ?)*
                    \s*
                )
                (?<![\/=\-])
            >
        /x";

        return preg_replace_callback($pattern, function (array $matches) use ($component) {
            $attributes = $this->getAttributesFromAttributeString($matches['attributes']);

            return $this->componentStartString($component, $attributes);
        }, $viewContents);
    }

    protected function parseClosingTags(string $viewContents, Component $component): string
    {
        $pattern = "/<\/\s*{$component->getTag()}\s*>/";

        return preg_replace($pattern, $this->componentEndString($component), $viewContents);
    }

    protected function componentString(Component $component, array $attributes = []): string
    {
        return $this->componentStartString($component, $attributes).$this->componentEndString($component);
    }

    protected function componentStartString(Component $component, array $attributes = []): string
    {
        $attributesString = $this->attributesToString($attributes);

        if ($component->view === 'bladex::context') {
            return " @php(app(Spatie\BladeX\ContextStack::class)->push({$attributesString})) ";
        }

        if ($component->viewModel) {
            $attributesString = "
                array_merge(
                    app(Spatie\BladeX\ContextStack::class)->read(),
                    {$attributesString},
                    app(
                        '{$component->viewModel}',
                        array_merge(
                            app(Spatie\BladeX\ContextStack::class)->read(),
                            {$attributesString}
                        )
                    )->toArray()
                )";
        }

        return " @component(
           '{$component->view}',
           array_merge(app(Spatie\BladeX\ContextStack::class)->read(),
           {$attributesString})
        ) ";
    }

    protected function componentEndString(Component $component): string
    {
        if ($component->view === 'bladex::context') {
            return "@php(app(Spatie\BladeX\ContextStack::class)->pop())";
        }

        return ' @endcomponent ';
    }

    protected function getAttributesFromAttributeString(string $attributeString): array
    {
        $attributeString = $this->parseBindAttributes($attributeString);

        $pattern = '/
            (?<attribute>[\w\-:.\$]+)
            (
                =
                (?<value>
                    (
                        \"[^\"]+\"
                        |
                        \\\'[^\\\']+\\\'
                        |
                        [^\s>]+
                    )
                )
            )?
        /x';

        if (! preg_match_all($pattern, $attributeString, $matches, PREG_SET_ORDER)) {
            return [];
        }

        $namespaces = [];
        $attributes = collect($matches)->mapWithKeys(function ($match) use (&$namespaces) {
            $attribute = Str::camel($match['attribute']);
            $value = $match['value'] ?? null;

            if (is_null($value)) {
                $value = 'true';
                $attribute = Str::start($attribute, 'bind:');
            }

            $value = $this->stripQuotes($value);

            if (Str::startsWith($attribute, 'bind:')) {
                $attribute = Str::after($attribute, 'bind:');
            } else {
                $value = str_replace("'", "\\'", $value);
                $value = "'{$value}'";

                if (Str::contains($attribute, ':')) {
                    $namespace = Str::before($attribute, ':');
                    $attribute = Str::after($attribute, ':');

                    data_set($namespaces, "{$namespace}.{$attribute}", $value);

                    return [];
                }
            }

            return [$attribute => $value];
        });

        return $attributes->merge($namespaces)->toArray();
    }

    protected function parseSlots(string $viewContents): string
    {
        $openingPattern = '/<\s*slot\s+name=(?<name>(\"[^\"]+\"|\\\'[^\\\']+\\\'|[^\s>]+))\s*>/';
        $viewContents = preg_replace_callback($openingPattern, function ($matches) {
            $name = $this->stripQuotes($matches['name']);

            return " @slot('{$name}') ";
        }, $viewContents);

        $closingPattern = '/<\/\s*slot[^>]*>/';
        $viewContents = preg_replace($closingPattern, ' @endslot', $viewContents);

        return $viewContents;
    }

    /**
     * Adds the `bind:` prefix for all bound data attributes.
     * E.g. `foo=bar :name=alex` becomes `foo=bar bind:name=alex`.
     *
     * @param string $attributeString
     *
     * @return string
     */
    protected function parseBindAttributes(string $attributeString): string
    {
        $pattern = "/
            (?:^|\s+)   # start of the string or whitespace between attributes
            :           # attribute needs to start with a semicolon
            ([\w-]+)    # match the actual attribute name
            =           # only match attributes that have a value
        /xm";

        return preg_replace($pattern, ' bind:$1=', $attributeString);
    }

    protected function attributesToString(array $attributes): string
    {
        $attributes = collect($attributes);

        $string = [];

        $plainAttributes = $attributes
            ->reject(function ($value, string $attribute) {
                return Str::startsWith($attribute, '...$');
            })
            ->map(function ($value, string $attribute) {
                if (is_array($value)) {
                    $value = $this->attributesToString($value);
                }

                return "'{$attribute}' => {$value}";
            });

        $string['plain'] = '['.$plainAttributes->implode(',').']';

        $string['spread'] = $attributes
                ->filter(function ($value, string $attribute) {
                    return Str::startsWith($attribute, '...$');
                })
                ->map(function ($value, string $attribute) {
                    $attribute = Str::after($attribute, '...');

                    return "{$attribute}";
                })
                ->implode(',');

        if (empty($string['spread'])) {
            return $string['plain'];
        }

        return 'array_merge('.$string['spread'].','.$string['plain'].')';
    }

    protected function stripQuotes(string $string): string
    {
        if (Str::startsWith($string, ['"', '\''])) {
            return substr($string, 1, -1);
        }

        return $string;
    }
}


1		<?php
2
3		namespace Spatie\BladeX;
4
5		use Illuminate\Support\Str;
6
7		class Compiler
8		{
9		/** @var \Spatie\BladeX\BladeX */
10		protected $bladeX;
11
12		public function __construct(BladeX $bladeX)
13		{
14		return $this->bladeX = $bladeX;
		0 ignored issues – show Bug introduced 2018-09-28 20:26 UTC by Report Bug Copy Issue Report Constructors do not have meaningful return values, anything that is returned from here is discarded. Are you sure this is correct? Loading history...
15		}
16
17		public function compile(string $viewContents): string
18		{
19		return array_reduce(
20		$this->bladeX->registeredComponents(),
21		[$this, 'parseComponentHtml'],
22		$viewContents
23		);
24		}
25
26		protected function parseComponentHtml(string $viewContents, Component $component)
27		{
28		$viewContents = $this->parseSlots($viewContents);
29
30		$viewContents = $this->parseSelfClosingTags($viewContents, $component);
31
32		$viewContents = $this->parseOpeningTags($viewContents, $component);
33
34		$viewContents = $this->parseClosingTags($viewContents, $component);
35
36		return $viewContents;
37		}
38
39	View Code Duplication	protected function parseSelfClosingTags(string $viewContents, Component $component): string
		0 ignored issues – show Duplication introduced 2018-10-08 07:21 UTC by Report Bug Copy Issue Report This method seems to be duplicated in 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...
40		{
41		$pattern = "/
42		<
43		\s*
44		{$component->getTag()}
45		\s*
46		(?<attributes>
47		(?:
48		\s+
49		[\w\-:.\$]+
50		(
51		=
52		(?:
53		\\\"[^\\\"]+\\\"
54		\|
55		\'[^\']+\'
56		\|
57		[^\'\\\"=<>]+
58		)
59		)?
60		)*
61		\s*
62		)
63		\/>
64		/x";
65
66		return preg_replace_callback($pattern, function (array $matches) use ($component) {
67		$attributes = $this->getAttributesFromAttributeString($matches['attributes']);
68
69		return $this->componentString($component, $attributes);
70		}, $viewContents);
71		}
72
73	View Code Duplication	protected function parseOpeningTags(string $viewContents, Component $component): string
		0 ignored issues – show Duplication introduced 2018-10-08 07:21 UTC by Report Bug Copy Issue Report This method seems to be duplicated in 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...
74		{
75		$pattern = "/
76		<
77		\s*
78		{$component->getTag()}
79		(?<attributes>
80		(?:
81		\s+
82		[\w\-:.\$]+
83		(
84		=
85		(?:
86		\\\"[^\\\"]*\\\"
87		\|
88		\'[^\']*\'
89		\|
90		[^\'\\\"=<>]+
91		)
92		)
93		?)*
94		\s*
95		)
96		(?<![\/=\-])
97		>
98		/x";
99
100		return preg_replace_callback($pattern, function (array $matches) use ($component) {
101		$attributes = $this->getAttributesFromAttributeString($matches['attributes']);
102
103		return $this->componentStartString($component, $attributes);
104		}, $viewContents);
105		}
106
107		protected function parseClosingTags(string $viewContents, Component $component): string
108		{
109		$pattern = "/<\/\s{$component->getTag()}\s>/";
110
111		return preg_replace($pattern, $this->componentEndString($component), $viewContents);
112		}
113
114		protected function componentString(Component $component, array $attributes = []): string
115		{
116		return $this->componentStartString($component, $attributes).$this->componentEndString($component);
117		}
118
119		protected function componentStartString(Component $component, array $attributes = []): string
120		{
121		$attributesString = $this->attributesToString($attributes);
122
123		if ($component->view === 'bladex::context') {
124		return " @php(app(Spatie\BladeX\ContextStack::class)->push({$attributesString})) ";
125		}
126
127		if ($component->viewModel) {
128		$attributesString = "
129		array_merge(
130		app(Spatie\BladeX\ContextStack::class)->read(),
131		{$attributesString},
132		app(
133		'{$component->viewModel}',
134		array_merge(
135		app(Spatie\BladeX\ContextStack::class)->read(),
136		{$attributesString}
137		)
138		)->toArray()
139		)";
140		}
141
142		return " @component(
143		'{$component->view}',
144		array_merge(app(Spatie\BladeX\ContextStack::class)->read(),
145		{$attributesString})
146		) ";
147		}
148
149		protected function componentEndString(Component $component): string
150		{
151		if ($component->view === 'bladex::context') {
152		return "@php(app(Spatie\BladeX\ContextStack::class)->pop())";
153		}
154
155		return ' @endcomponent ';
156		}
157
158		protected function getAttributesFromAttributeString(string $attributeString): array
159		{
160		$attributeString = $this->parseBindAttributes($attributeString);
161
162		$pattern = '/
163		(?<attribute>[\w\-:.\$]+)
164		(
165		=
166		(?<value>
167		(
168		\"[^\"]+\"
169		\|
170		\\\'[^\\\']+\\\'
171		\|
172		[^\s>]+
173		)
174		)
175		)?
176		/x';
177
178		if (! preg_match_all($pattern, $attributeString, $matches, PREG_SET_ORDER)) {
179		return [];
180		}
181
182		$namespaces = [];
183		$attributes = collect($matches)->mapWithKeys(function ($match) use (&$namespaces) {
184		$attribute = Str::camel($match['attribute']);
185		$value = $match['value'] ?? null;
186
187		if (is_null($value)) {
188		$value = 'true';
189		$attribute = Str::start($attribute, 'bind:');
190		}
191
192		$value = $this->stripQuotes($value);
193
194		if (Str::startsWith($attribute, 'bind:')) {
195		$attribute = Str::after($attribute, 'bind:');
196		} else {
197		$value = str_replace("'", "\\'", $value);
198		$value = "'{$value}'";
199
200		if (Str::contains($attribute, ':')) {
201		$namespace = Str::before($attribute, ':');
202		$attribute = Str::after($attribute, ':');
203
204		data_set($namespaces, "{$namespace}.{$attribute}", $value);
205
206		return [];
207		}
208		}
209
210		return [$attribute => $value];
211		});
212
213		return $attributes->merge($namespaces)->toArray();
214		}
215
216		protected function parseSlots(string $viewContents): string
217		{
218		$openingPattern = '/<\sslot\s+name=(?<name>(\"[^\"]+\"\|\\\'[^\\\']+\\\'\|[^\s>]+))\s>/';
219		$viewContents = preg_replace_callback($openingPattern, function ($matches) {
220		$name = $this->stripQuotes($matches['name']);
221
222		return " @slot('{$name}') ";
223		}, $viewContents);
224
225		$closingPattern = '/<\/\sslot[^>]>/';
226		$viewContents = preg_replace($closingPattern, ' @endslot', $viewContents);
227
228		return $viewContents;
229		}
230
231		/**
232		* Adds the `bind:` prefix for all bound data attributes.
233		* E.g. `foo=bar :name=alex` becomes `foo=bar bind:name=alex`.
234		*
235		* @param string $attributeString
236		*
237		* @return string
238		*/
239		protected function parseBindAttributes(string $attributeString): string
240		{
241		$pattern = "/
242		(?:^\|\s+) # start of the string or whitespace between attributes
243		: # attribute needs to start with a semicolon
244		([\w-]+) # match the actual attribute name
245		= # only match attributes that have a value
246		/xm";
247
248		return preg_replace($pattern, ' bind:$1=', $attributeString);
249		}
250
251		protected function attributesToString(array $attributes): string
252		{
253		$attributes = collect($attributes);
254
255		$string = [];
256
257		$plainAttributes = $attributes
258		->reject(function ($value, string $attribute) {
259		return Str::startsWith($attribute, '...$');
260		})
261		->map(function ($value, string $attribute) {
262		if (is_array($value)) {
263		$value = $this->attributesToString($value);
264		}
265
266		return "'{$attribute}' => {$value}";
267		});
268
269		$string['plain'] = '['.$plainAttributes->implode(',').']';
270
271		$string['spread'] = $attributes
272		->filter(function ($value, string $attribute) {
273		return Str::startsWith($attribute, '...$');
274		})
275		->map(function ($value, string $attribute) {
276		$attribute = Str::after($attribute, '...');
277
278		return "{$attribute}";
279		})
280		->implode(',');
281
282		if (empty($string['spread'])) {
283		return $string['plain'];
284		}
285
286		return 'array_merge('.$string['spread'].','.$string['plain'].')';
287		}
288
289		protected function stripQuotes(string $string): string
290		{
291		if (Str::startsWith($string, ['"', '\''])) {
292		return substr($string, 1, -1);
293		}
294
295		return $string;
296		}
297		}
298

spatie / laravel-blade-x

Compiler::componentString() A last analyzed 2020-03-03 07:26 UTC

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Compiler::componentString() A
last analyzed 2020-03-03 07:26 UTC