BladeXCompiler::getComponentAttributes() - Code Metrics - Inspection of "Merge pull request #28 from spatie/fix-attribute-p..." - spatie/laravel-blade-x - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4a310d...0cc28f )

by Freek

created 2018-10-03 09:58 UTC

BladeXCompiler::getComponentAttributes() A

↳ Parent: BladeXCompiler::getAttributesFromAttributeString()

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	14
rs	9.7998
c	0
b	0
f	0
cc	1
nc	1
nop	2

<?php

namespace Spatie\BladeX;

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

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

    }

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

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

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

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

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

        return $viewContents;
    }

    protected function parseSelfClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string
    {
        $prefix = $this->bladeX->getPrefix();

        $pattern = "/<\s*{$prefix}{$bladeXComponent->name}\s*(.*)\s*\/>/m";

        return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) {
            [$componentHtml, $attributesString] = $regexResult;


            $attributes = $this->getAttributesFromAttributeString($attributesString);

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

    protected function parseOpeningTags(string $viewContents, BladeXComponent $bladeXComponent): string
    {
        $prefix = $this->bladeX->getPrefix();

        $pattern = "/<\s*{$prefix}{$bladeXComponent->name}((?:\s+[\w\-:]*=(?:\\\"(?:.*?)\\\"|\'(?:.*)\'|[^\'\\\"=<>]*))*\s*)(?<![\/=\-])>/m";

        return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) {
            [$componentHtml, $attributesString] = $regexResult;


            $attributes = $this->getAttributesFromAttributeString($attributesString);

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

    protected function parseClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string
    {
        $prefix = $this->bladeX->getPrefix();

        $pattern = "/<\/\s*{$prefix}{$bladeXComponent->name}[^>]*>/m";

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

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

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

        $componentAttributeString = "[{$attributesString}]";

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

        if ($bladeXComponent->viewModelClass) {
            $componentAttributeString = "
                array_merge(
                    app(Spatie\BladeX\ContextStack::class)->read(),
                    {$componentAttributeString},
                    app(
                        {$bladeXComponent->viewModelClass}::class,
                        array_merge(
                            app(Spatie\BladeX\ContextStack::class)->read(),
                            {$componentAttributeString}
                        )
                    )->toArray()
                )";
        }

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

    protected function componentEndString(BladeXComponent $bladeXComponent): string
    {
        if ($bladeXComponent->bladeViewName === '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>]+)))?/';

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

        return collect($matches)->mapWithKeys(function ($match) {
            $attribute = camel_case($match['attribute']);
            $value = $match['value'] ?? null;

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

            if (starts_with($value, ['"', '\''])) {
                $value = substr($value, 1, -1);
            }

            if (! starts_with($attribute, 'bind:')) {
                $value = str_replace("'", "\\'", $value);
                $value = "'{$value}'";
            }

            if (starts_with($attribute, 'bind:')) {
                $attribute = str_after($attribute, 'bind:');
            }

            return [$attribute => $value];
        })->toArray();
    }

    protected function parseSlots(string $viewContents): string
    {
        $pattern = '/<\s*slot[^>]*name=[\'"](.*)[\'"][^>]*>((.|\n)*?)<\s*\/\s*slot>/m';

        return preg_replace_callback($pattern, function ($regexResult) {
            [$slot, $name, $contents] = $regexResult;


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

    protected function isOpeningHtmlTag(string $tagName, string $html): bool
    {
        return !ends_with($html, ["</{$tagName}>", '/>']);
    }

    protected function parseBindAttributes(string $html): string
    {
        return preg_replace("/\s+:([\w-]+)=/m", ' bind:$1=', $html);
    }

    protected function attributesToString(array $attributes): string
    {
        return collect($attributes)
            ->map(function (string $value, string $attribute) {
                return "'{$attribute}' => {$value}";
            })
            ->implode(',');
    }
}


1			<?php
2
3			namespace Spatie\BladeX;
4
5			class BladeXCompiler
6			{
7			/** @var \Spatie\BladeX\BladeX */
8			protected $bladeX;
9
10			public function __construct(BladeX $bladeX)
11			{
12			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...
13			}
14
15			public function compile(string $viewContents): string
16			{
17			return array_reduce(
18			$this->bladeX->getRegisteredComponents(),
19			[$this, 'parseComponentHtml'],
20			$viewContents
21			);
22			}
23
24			protected function parseComponentHtml(string $viewContents, BladeXComponent $bladeXComponent)
25			{
26			$viewContents = $this->parseSlots($viewContents);
27
28			$viewContents = $this->parseSelfClosingTags($viewContents, $bladeXComponent);
29
30			$viewContents = $this->parseOpeningTags($viewContents, $bladeXComponent);
31
32			$viewContents = $this->parseClosingTags($viewContents, $bladeXComponent);
33
34			return $viewContents;
35			}
36
37			protected function parseSelfClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string
38			{
39			$prefix = $this->bladeX->getPrefix();
40
41			$pattern = "/<\s{$prefix}{$bladeXComponent->name}\s(.)\s\/>/m";
42
43			return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) {
44			[$componentHtml, $attributesString] = $regexResult;
			0 ignored issues – show Bug introduced 2018-10-02 12:27 UTC by Report Bug Copy Issue Report The variable `$componentHtml` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history... Bug introduced 2018-10-02 12:27 UTC by Report Bug Copy Issue Report The variable `$attributesString` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
45
46			$attributes = $this->getAttributesFromAttributeString($attributesString);
47
48			return $this->componentString($bladeXComponent, $attributes);
49			}, $viewContents);
50			}
51
52			protected function parseOpeningTags(string $viewContents, BladeXComponent $bladeXComponent): string
53			{
54			$prefix = $this->bladeX->getPrefix();
55
56			$pattern = "/<\s{$prefix}{$bladeXComponent->name}((?:\s+[\w\-:]=(?:\\\"(?:.?)\\\"\|\'(?:.)\'\|[^\'\\\"=<>]))\s*)(?<![\/=\-])>/m";
57
58			return preg_replace_callback($pattern, function (array $regexResult) use ($bladeXComponent) {
59			[$componentHtml, $attributesString] = $regexResult;
			0 ignored issues – show Bug introduced 2018-10-02 12:27 UTC by Report Bug Copy Issue Report The variable `$componentHtml` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history... Bug introduced 2018-10-02 12:27 UTC by Report Bug Copy Issue Report The variable `$attributesString` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
60
61			$attributes = $this->getAttributesFromAttributeString($attributesString);
62
63			return $this->componentStartString($bladeXComponent, $attributes);
64			}, $viewContents);
65			}
66
67			protected function parseClosingTags(string $viewContents, BladeXComponent $bladeXComponent): string
68			{
69			$prefix = $this->bladeX->getPrefix();
70
71			$pattern = "/<\/\s{$prefix}{$bladeXComponent->name}[^>]>/m";
72
73			return preg_replace($pattern, $this->componentEndString($bladeXComponent), $viewContents);
74			}
75
76			protected function componentString(BladeXComponent $bladeXComponent, array $attributes = []): string
77			{
78			return $this->componentStartString($bladeXComponent, $attributes) . $this->componentEndString($bladeXComponent);
79			}
80
81			protected function componentStartString(BladeXComponent $bladeXComponent, array $attributes = []): string
82			{
83			$attributesString = $this->attributesToString($attributes);
84
85			$componentAttributeString = "[{$attributesString}]";
86
87			if ($bladeXComponent->bladeViewName === 'bladex::context') {
88			return "@php(app(Spatie\BladeX\ContextStack::class)->push({$componentAttributeString}))";
89			}
90
91			if ($bladeXComponent->viewModelClass) {
92			$componentAttributeString = "
93			array_merge(
94			app(Spatie\BladeX\ContextStack::class)->read(),
95			{$componentAttributeString},
96			app(
97			{$bladeXComponent->viewModelClass}::class,
98			array_merge(
99			app(Spatie\BladeX\ContextStack::class)->read(),
100			{$componentAttributeString}
101			)
102			)->toArray()
103			)";
104			}
105
106			return "@component(
107			'{$bladeXComponent->bladeViewName}',
108			array_merge(app(Spatie\BladeX\ContextStack::class)->read(), {$componentAttributeString}))";
109			}
110
111			protected function componentEndString(BladeXComponent $bladeXComponent): string
112			{
113			if ($bladeXComponent->bladeViewName === 'bladex::context') {
114			return "@php(app(Spatie\BladeX\ContextStack::class)->pop())";
115			}
116
117			return '@endcomponent';
118			}
119
120			protected function getAttributesFromAttributeString(string $attributeString): array
121			{
122			$attributeString = $this->parseBindAttributes($attributeString);
123
124			$pattern = '/(?<attribute>[\w:-]+)(=(?<value>(\"[^\"]+\"\|\\\'[^\\\']+\\\'\|[^\s>]+)))?/';
125
126			if (! preg_match_all($pattern, $attributeString, $matches, PREG_SET_ORDER)) {
127			return [];
128			}
129
130			return collect($matches)->mapWithKeys(function ($match) {
131			$attribute = camel_case($match['attribute']);
132			$value = $match['value'] ?? null;
133
134			if (is_null($value)) {
135			$value = 'true';
136			$attribute = str_start($attribute, 'bind:');
137			}
138
139			if (starts_with($value, ['"', '\''])) {
140			$value = substr($value, 1, -1);
141			}
142
143			if (! starts_with($attribute, 'bind:')) {
144			$value = str_replace("'", "\\'", $value);
145			$value = "'{$value}'";
146			}
147
148			if (starts_with($attribute, 'bind:')) {
149			$attribute = str_after($attribute, 'bind:');
150			}
151
152			return [$attribute => $value];
153			})->toArray();
154			}
155
156			protected function parseSlots(string $viewContents): string
157			{
158			$pattern = '/<\sslot[^>]name=[\'"](.)[\'"][^>]>((.\|\n)?)<\s\/\s*slot>/m';
159
160			return preg_replace_callback($pattern, function ($regexResult) {
161			[$slot, $name, $contents] = $regexResult;
			0 ignored issues – show Bug introduced 2018-09-28 20:15 UTC by Report Bug Copy Issue Report The variable `$slot` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history... Bug introduced 2018-09-28 20:15 UTC by Report Bug Copy Issue Report The variable `$name` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history... Bug introduced 2018-09-28 20:15 UTC by Report Bug Copy Issue Report The variable `$contents` does not exist. Did you forget to declare it? This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug. Loading history...
162
163			return "@slot('{$name}'){$contents}@endslot";
164			}, $viewContents);
165			}
166
167			protected function isOpeningHtmlTag(string $tagName, string $html): bool
168			{
169			return !ends_with($html, ["</{$tagName}>", '/>']);
170			}
171
172			protected function parseBindAttributes(string $html): string
173			{
174			return preg_replace("/\s+:([\w-]+)=/m", ' bind:$1=', $html);
175			}
176
177			protected function attributesToString(array $attributes): string
178			{
179			return collect($attributes)
180			->map(function (string $value, string $attribute) {
181			return "'{$attribute}' => {$value}";
182			})
183			->implode(',');
184			}
185			}
186

spatie / laravel-blade-x

Push — master ( 4a310d...0cc28f )

BladeXCompiler::getComponentAttributes() A

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