Parsedown::inlineImage() - Code Metrics - Inspection of "Apply fixes from StyleCI" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — analysis-rr4mB9 ( 551544 )

by Arnaud

created 2022-06-12 21:34 UTC

Parsedown::inlineImage() C

↳ Parent: Parsedown

Complexity

Conditions	13
Paths	53

Size

Total Lines	68
Code Lines	33

Duplication

Lines	0
Ratio	0 %

Importance

Changes	6
Bugs	3	Features	0

Metric	Value
cc	13
eloc	33
c	6
b	3
f	0
nc	53
nop	1
dl	0
loc	68
rs	6.6166

How to fix Long Method Complexity

<?php

declare(strict_types=1);

/*
 * This file is part of Cecil.
 *
 * Copyright (c) Arnaud Ligny <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Cecil\Converter;

use Cecil\Assets\Asset;
use Cecil\Assets\Image;
use Cecil\Builder;
use Cecil\Exception\RuntimeException;
use Cecil\Util;
use Highlight\Highlighter;

class Parsedown extends \ParsedownToC
{
    /** @var Builder */
    protected $builder;

    /** {@inheritdoc} */
    protected $regexAttribute = '(?:[#.][-\w:\\\]+[ ]*|[-\w:\\\]+(?:=(?:["\'][^\n]*?["\']|[^\s]+)?)?[ ]*)';

    /** Regex used to valid block image */
    protected $MarkdownImageRegex = "~^!\[.*?\]\(.*?\)~";

    /** @var Highlighter */
    protected $highlighter;

    public function __construct(Builder $builder)
    {
        $this->builder = $builder;

        // "insert" line block: ++text++ -> <ins>text</ins>
        $this->InlineTypes['+'][] = 'Insert';
        $this->inlineMarkerList = implode('', array_keys($this->InlineTypes));
        $this->specialCharacters[] = '+';

        // add caption or WebP source to image block
        if ($this->builder->getConfig()->get('body.images.caption.enabled') || $this->builder->getConfig()->get('body.images.webp.enabled')) {
            $this->BlockTypes['!'][] = 'Image';
        }

        // "notes" block
        if ($this->builder->getConfig()->get('body.notes.enabled')) {
            $this->BlockTypes[':'][] = 'Note';
        }

        // code highlight
        $this->highlighter = new Highlighter();

        // ToC
        parent::__construct(['selectors' => $this->builder->getConfig()->get('body.toc')]);
    }

    /**
     * Insert inline.
     * e.g.: ++text++ -> <ins>text</ins>.
     */
    protected function inlineInsert($Excerpt)
    {
        if (!isset($Excerpt['text'][1])) {
            return;
        }

        if ($Excerpt['text'][1] === '+' && preg_match('/^\+\+(?=\S)(.+?)(?<=\S)\+\+/', $Excerpt['text'], $matches)) {
            return [
                'extent'  => strlen($matches[0]),
                'element' => [
                    'name'    => 'ins',
                    'text'    => $matches[1],
                    'handler' => 'line',
                ],
            ];
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function inlineImage($excerpt)
    {
        $image = parent::inlineImage($excerpt);
        if (!isset($image)) {
            return null;
        }

        // clean source path / URL
        $image['element']['attributes']['src'] = $this->cleanUrl($image['element']['attributes']['src']);

        // should be lazy loaded?
        if ($this->builder->getConfig()->get('body.images.lazy.enabled')) {
            $image['element']['attributes']['loading'] = 'lazy';
        }

        // disable remote image handling?
        if (Util\Url::isUrl($image['element']['attributes']['src']) && !$this->builder->getConfig()->get('body.images.remote.enabled') ?? true) {
            return $image;
        }

        // create asset
        $asset = new Asset($this->builder, $image['element']['attributes']['src'], ['force_slash' => false]);
        $image['element']['attributes']['src'] = $asset;
        $width = $asset->getWidth();

        /**
         * Should be resized?
         */
        $assetResized = null;
        if (isset($image['element']['attributes']['width'])
            && (int) $image['element']['attributes']['width'] < $width
            && $this->builder->getConfig()->get('body.images.resize.enabled')
        ) {
            $width = (int) $image['element']['attributes']['width'];

            try {
                $assetResized = $asset->resize($width);
            } catch (\Exception $e) {
                $this->builder->getLogger()->debug($e->getMessage());

                return $image;
            }
            $image['element']['attributes']['src'] = $assetResized;
        }

        // set width
        if (!isset($image['element']['attributes']['width'])) {
            $image['element']['attributes']['width'] = $width;
        }
        // set height
        if (!isset($image['element']['attributes']['height'])) {
            $image['element']['attributes']['height'] = ($assetResized ?? $asset)->getHeight();
        }

        /**
         * Should be responsive?
         */
        if ($this->builder->getConfig()->get('body.images.responsive.enabled')) {
            if ($srcset = Image::buildSrcset(
                $assetResized ?? $asset,
                $this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920]
            )) {
                $image['element']['attributes']['srcset'] = $srcset;
                $image['element']['attributes']['sizes'] = $this->builder->getConfig()->get('assets.images.responsive.sizes.default');
            }
        }

        return $image;
    }

    /**
     * {@inheritdoc}
     */
    protected function parseAttributeData($attributeString)
    {
        $attributes = preg_split('/[ ]+/', $attributeString, -1, PREG_SPLIT_NO_EMPTY);
        $Data = [];
        $HtmlAtt = [];

        foreach ($attributes as $attribute) {
            switch ($attribute[0]) {
                case '#': // ID
                    $Data['id'] = substr($attribute, 1);
                    break;
                case '.': // Classes
                    $classes[] = substr($attribute, 1);
                    break;
                default:  // Attributes
                    parse_str($attribute, $parsed);
                    $HtmlAtt = array_merge($HtmlAtt, $parsed);
            }
        }

        if (isset($classes)) {
            $Data['class'] = implode(' ', $classes);
        }
        if (!empty($HtmlAtt)) {
            foreach ($HtmlAtt as $a => $v) {
                $Data[$a] = trim($v, '"');
            }
        }

        return $Data;
    }

    /**
     * Enhances image block with <picture>/<source> and/or <figure>/<figcaption>.
     */
    protected function blockImage($Line)
    {
        if (1 !== preg_match($this->MarkdownImageRegex, $Line['text'])) {
            return;
        }

        $InlineImage = $this->inlineImage($Line);
        if (!isset($InlineImage)) {
            return;
        }

        $block = $InlineImage;

        /*
        <!-- if image has a title: a <figure> is required for <figcaption> -->
        <figure>
            <!-- if WebP: a <picture> is required for <source> -->
            <picture>
                <source type="image/webp"
                    srcset="..."
                    sizes="..."
                >
                <img src="..."
                    srcset="..."
                    sizes="..."
                >
            </picture>
            <!-- title -->
            <figcaption>...</figcaption>
        </figure>
        */

        // creates a <picture> used to add WebP <source> in addition to the image <img> element
        if ($this->builder->getConfig()->get('body.images.webp.enabled') ?? false && !Image::isAnimatedGif($InlineImage['element']['attributes']['src'])) {
            try {
                if (is_string($InlineImage['element']['attributes']['src'])) {
                    throw new RuntimeException(\sprintf('Asset "%s" can\'t be converted to WebP', $InlineImage['element']['attributes']['src']));
                }
                $assetWebp = Image::convertTopWebp($InlineImage['element']['attributes']['src'], $this->builder->getConfig()->get('assets.images.quality') ?? 75);
                $srcset = '';
                if ($this->builder->getConfig()->get('body.images.responsive.enabled')) {
                    $srcset = Image::buildSrcset(
                        $assetWebp,
                        $this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920]
                    );
                }
                if (empty($srcset)) {
                    $srcset = (string) $assetWebp;
                }
                $PictureBlock = [
                    'element' => [
                        'name'    => 'picture',
                        'handler' => 'elements',
                    ],
                ];
                $source = [
                    'element' => [
                        'name'       => 'source',
                        'attributes' => [
                            'type'   => 'image/webp',
                            'srcset' => $srcset,
                            'sizes'  => $this->builder->getConfig()->get('assets.images.responsive.sizes.default'),
                        ],
                    ],
                ];
                $PictureBlock['element']['text'][] = $source['element'];
                $PictureBlock['element']['text'][] = $InlineImage['element'];
                $block = $PictureBlock;
            } catch (\Exception $e) {
                $this->builder->getLogger()->debug($e->getMessage());
            }
        }

        // if there is a title: put the <img> (or <picture>) in a <figure> element to use the <figcaption>
        if (!empty($InlineImage['element']['attributes']['title'])) {
            $FigureBlock = [
                'element' => [
                    'name'    => 'figure',
                    'handler' => 'elements',
                    'text'    => [
                        $block['element'],
                    ],
                ],
            ];
            $InlineFigcaption = [
                'element' => [
                    'name' => 'figcaption',
                    'text' => $InlineImage['element']['attributes']['title'],
                ],
            ];
            $FigureBlock['element']['text'][] = $InlineFigcaption['element'];

            return $FigureBlock;
        }

        return $block;
    }

    /**
     * Note block-level markup.
     *
     * :::tip
     * **Tip:** This is an advice.
     * :::
     *
     * Code inspired by https://github.com/sixlive/parsedown-alert from TJ Miller (@sixlive).
     */
    protected function blockNote($block)
    {
        if (preg_match('/:::(.*)/', $block['text'], $matches)) {
            return [
                'char'    => ':',
                'element' => [
                    'name'       => 'aside',
                    'text'       => '',
                    'attributes' => [
                        'class' => "note note-{$matches[1]}",
                    ],
                ],
            ];
        }
    }

    protected function blockNoteContinue($line, $block)
    {
        if (isset($block['complete'])) {
            return;
        }
        if (preg_match('/:::/', $line['text'])) {
            $block['complete'] = true;

            return $block;
        }
        $block['element']['text'] .= $line['text']."\n";

        return $block;
    }

    protected function blockNoteComplete($block)
    {
        $block['element']['rawHtml'] = $this->text($block['element']['text']);
        unset($block['element']['text']);

        return $block;
    }

    /**
     * Apply Highlight to code blocks.
     */
    protected function blockFencedCodeComplete($block)
    {
        if (!$this->builder->getConfig()->get('body.highlight.enabled')) {
            return $block;
        }
        if (!isset($block['element']['text']['attributes'])) {
            return $block;
        }

        $code = $block['element']['text']['text'];
        unset($block['element']['text']['text']);
        $languageClass = $block['element']['text']['attributes']['class'];
        $language = explode('-', $languageClass);
        $highlighted = $this->highlighter->highlight($language[1], $code);
        $block['element']['text']['attributes']['class'] = vsprintf('%s hljs %s', [
            $languageClass,
            $highlighted->language,
        ]);
        $block['element']['text']['rawHtml'] = $highlighted->value;
        $block['element']['text']['allowRawHtmlInSafeMode'] = true;

        return $block;
    }

    /**
     * Returns URL without query string.
     */
    private function cleanUrl(string $path): string
    {
        return strtok(trim($path), '?') ?: trim($path);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* This file is part of Cecil.
7			*
8			* Copyright (c) Arnaud Ligny <[email protected]>
9			*
10			* For the full copyright and license information, please view the LICENSE
11			* file that was distributed with this source code.
12			*/
13
14			namespace Cecil\Converter;
15
16			use Cecil\Assets\Asset;
17			use Cecil\Assets\Image;
18			use Cecil\Builder;
19			use Cecil\Exception\RuntimeException;
20			use Cecil\Util;
21			use Highlight\Highlighter;
22
23			class Parsedown extends \ParsedownToC
24			{
25			/** @var Builder */
26			protected $builder;
27
28			/** {@inheritdoc} */
29			protected $regexAttribute = '(?:[#.][-\w:\\\]+[ ]\|[-\w:\\\]+(?:=(?:["\'][^\n]?["\']\|[^\s]+)?)?[ ]*)';
30
31			/** Regex used to valid block image */
32			protected $MarkdownImageRegex = "~^!\[.?\]\(.?\)~";
33
34			/** @var Highlighter */
35			protected $highlighter;
36
37			public function __construct(Builder $builder)
38			{
39			$this->builder = $builder;
40
41			// "insert" line block: ++text++ -> <ins>text</ins>
42			$this->InlineTypes['+'][] = 'Insert';
43			$this->inlineMarkerList = implode('', array_keys($this->InlineTypes));
44			$this->specialCharacters[] = '+';
45
46			// add caption or WebP source to image block
47			if ($this->builder->getConfig()->get('body.images.caption.enabled') \|\| $this->builder->getConfig()->get('body.images.webp.enabled')) {
48			$this->BlockTypes['!'][] = 'Image';
49			}
50
51			// "notes" block
52			if ($this->builder->getConfig()->get('body.notes.enabled')) {
53			$this->BlockTypes[':'][] = 'Note';
54			}
55
56			// code highlight
57			$this->highlighter = new Highlighter();
58
59			// ToC
60			parent::__construct(['selectors' => $this->builder->getConfig()->get('body.toc')]);
61			}
62
63			/**
64			* Insert inline.
65			* e.g.: ++text++ -> <ins>text</ins>.
66			*/
67			protected function inlineInsert($Excerpt)
68			{
69			if (!isset($Excerpt['text'][1])) {
70			return;
71			}
72
73			if ($Excerpt['text'][1] === '+' && preg_match('/^\+\+(?=\S)(.+?)(?<=\S)\+\+/', $Excerpt['text'], $matches)) {
74			return [
75			'extent' => strlen($matches[0]),
76			'element' => [
77			'name' => 'ins',
78			'text' => $matches[1],
79			'handler' => 'line',
80			],
81			];
82			}
83			}
84
85			/**
86			* {@inheritdoc}
87			*/
88			protected function inlineImage($excerpt)
89			{
90			$image = parent::inlineImage($excerpt);
91			if (!isset($image)) {
92			return null;
93			}
94
95			// clean source path / URL
96			$image['element']['attributes']['src'] = $this->cleanUrl($image['element']['attributes']['src']);
97
98			// should be lazy loaded?
99			if ($this->builder->getConfig()->get('body.images.lazy.enabled')) {
100			$image['element']['attributes']['loading'] = 'lazy';
101			}
102
103			// disable remote image handling?
104			if (Util\Url::isUrl($image['element']['attributes']['src']) && !$this->builder->getConfig()->get('body.images.remote.enabled') ?? true) {
105			return $image;
106			}
107
108			// create asset
109			$asset = new Asset($this->builder, $image['element']['attributes']['src'], ['force_slash' => false]);
110			$image['element']['attributes']['src'] = $asset;
111			$width = $asset->getWidth();
112
113			/**
114			* Should be resized?
115			*/
116			$assetResized = null;
117			if (isset($image['element']['attributes']['width'])
118			&& (int) $image['element']['attributes']['width'] < $width
119			&& $this->builder->getConfig()->get('body.images.resize.enabled')
120			) {
121			$width = (int) $image['element']['attributes']['width'];
122
123			try {
124			$assetResized = $asset->resize($width);
125			} catch (\Exception $e) {
126			$this->builder->getLogger()->debug($e->getMessage());
127
128			return $image;
129			}
130			$image['element']['attributes']['src'] = $assetResized;
131			}
132
133			// set width
134			if (!isset($image['element']['attributes']['width'])) {
135			$image['element']['attributes']['width'] = $width;
136			}
137			// set height
138			if (!isset($image['element']['attributes']['height'])) {
139			$image['element']['attributes']['height'] = ($assetResized ?? $asset)->getHeight();
140			}
141
142			/**
143			* Should be responsive?
144			*/
145			if ($this->builder->getConfig()->get('body.images.responsive.enabled')) {
146			if ($srcset = Image::buildSrcset(
147			$assetResized ?? $asset,
148			$this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920]
149			)) {
150			$image['element']['attributes']['srcset'] = $srcset;
151			$image['element']['attributes']['sizes'] = $this->builder->getConfig()->get('assets.images.responsive.sizes.default');
152			}
153			}
154
155			return $image;
156			}
157
158			/**
159			* {@inheritdoc}
160			*/
161			protected function parseAttributeData($attributeString)
162			{
163			$attributes = preg_split('/[ ]+/', $attributeString, -1, PREG_SPLIT_NO_EMPTY);
164			$Data = [];
165			$HtmlAtt = [];
166
167			foreach ($attributes as $attribute) {
168			switch ($attribute[0]) {
169			case '#': // ID
170			$Data['id'] = substr($attribute, 1);
171			break;
172			case '.': // Classes
173			$classes[] = substr($attribute, 1);
174			break;
175			default: // Attributes
176			parse_str($attribute, $parsed);
177			$HtmlAtt = array_merge($HtmlAtt, $parsed);
178			}
179			}
180
181			if (isset($classes)) {
182			$Data['class'] = implode(' ', $classes);
183			}
184			if (!empty($HtmlAtt)) {
185			foreach ($HtmlAtt as $a => $v) {
186			$Data[$a] = trim($v, '"');
187			}
188			}
189
190			return $Data;
191			}
192
193			/**
194			* Enhances image block with <picture>/<source> and/or <figure>/<figcaption>.
195			*/
196			protected function blockImage($Line)
197			{
198			if (1 !== preg_match($this->MarkdownImageRegex, $Line['text'])) {
199			return;
200			}
201
202			$InlineImage = $this->inlineImage($Line);
203			if (!isset($InlineImage)) {
204			return;
205			}
206
207			$block = $InlineImage;
208
209			/*
210			<!-- if image has a title: a <figure> is required for <figcaption> -->
211			<figure>
212			<!-- if WebP: a <picture> is required for <source> -->
213			<picture>
214			<source type="image/webp"
215			srcset="..."
216			sizes="..."
217			>
218			<img src="..."
219			srcset="..."
220			sizes="..."
221			>
222			</picture>
223			<!-- title -->
224			<figcaption>...</figcaption>
225			</figure>
226			*/
227
228			// creates a <picture> used to add WebP <source> in addition to the image <img> element
229			if ($this->builder->getConfig()->get('body.images.webp.enabled') ?? false && !Image::isAnimatedGif($InlineImage['element']['attributes']['src'])) {
230			try {
231			if (is_string($InlineImage['element']['attributes']['src'])) {
232			throw new RuntimeException(\sprintf('Asset "%s" can\'t be converted to WebP', $InlineImage['element']['attributes']['src']));
233			}
234			$assetWebp = Image::convertTopWebp($InlineImage['element']['attributes']['src'], $this->builder->getConfig()->get('assets.images.quality') ?? 75);
235			$srcset = '';
236			if ($this->builder->getConfig()->get('body.images.responsive.enabled')) {
237			$srcset = Image::buildSrcset(
238			$assetWebp,
239			$this->builder->getConfig()->get('assets.images.responsive.widths') ?? [480, 640, 768, 1024, 1366, 1600, 1920]
240			);
241			}
242			if (empty($srcset)) {
243			$srcset = (string) $assetWebp;
244			}
245			$PictureBlock = [
246			'element' => [
247			'name' => 'picture',
248			'handler' => 'elements',
249			],
250			];
251			$source = [
252			'element' => [
253			'name' => 'source',
254			'attributes' => [
255			'type' => 'image/webp',
256			'srcset' => $srcset,
257			'sizes' => $this->builder->getConfig()->get('assets.images.responsive.sizes.default'),
258			],
259			],
260			];
261			$PictureBlock['element']['text'][] = $source['element'];
262			$PictureBlock['element']['text'][] = $InlineImage['element'];
263			$block = $PictureBlock;
264			} catch (\Exception $e) {
265			$this->builder->getLogger()->debug($e->getMessage());
266			}
267			}
268
269			// if there is a title: put the <img> (or <picture>) in a <figure> element to use the <figcaption>
270			if (!empty($InlineImage['element']['attributes']['title'])) {
271			$FigureBlock = [
272			'element' => [
273			'name' => 'figure',
274			'handler' => 'elements',
275			'text' => [
276			$block['element'],
277			],
278			],
279			];
280			$InlineFigcaption = [
281			'element' => [
282			'name' => 'figcaption',
283			'text' => $InlineImage['element']['attributes']['title'],
284			],
285			];
286			$FigureBlock['element']['text'][] = $InlineFigcaption['element'];
287
288			return $FigureBlock;
289			}
290
291			return $block;
292			}
293
294			/**
295			* Note block-level markup.
296			*
297			* :::tip
298			* Tip: This is an advice.
299			* :::
300			*
301			* Code inspired by https://github.com/sixlive/parsedown-alert from TJ Miller (@sixlive).
302			*/
303			protected function blockNote($block)
304			{
305			if (preg_match('/:::(.*)/', $block['text'], $matches)) {
306			return [
307			'char' => ':',
308			'element' => [
309			'name' => 'aside',
310			'text' => '',
311			'attributes' => [
312			'class' => "note note-{$matches[1]}",
313			],
314			],
315			];
316			}
317			}
318
319			protected function blockNoteContinue($line, $block)
320			{
321			if (isset($block['complete'])) {
322			return;
323			}
324			if (preg_match('/:::/', $line['text'])) {
325			$block['complete'] = true;
326
327			return $block;
328			}
329			$block['element']['text'] .= $line['text']."\n";
330
331			return $block;
332			}
333
334			protected function blockNoteComplete($block)
335			{
336			$block['element']['rawHtml'] = $this->text($block['element']['text']);
337			unset($block['element']['text']);
338
339			return $block;
340			}
341
342			/**
343			* Apply Highlight to code blocks.
344			*/
345			protected function blockFencedCodeComplete($block)
346			{
347			if (!$this->builder->getConfig()->get('body.highlight.enabled')) {
348			return $block;
349			}
350			if (!isset($block['element']['text']['attributes'])) {
351			return $block;
352			}
353
354			$code = $block['element']['text']['text'];
355			unset($block['element']['text']['text']);
356			$languageClass = $block['element']['text']['attributes']['class'];
357			$language = explode('-', $languageClass);
358			$highlighted = $this->highlighter->highlight($language[1], $code);
359			$block['element']['text']['attributes']['class'] = vsprintf('%s hljs %s', [
360			$languageClass,
361			$highlighted->language,
362			]);
363			$block['element']['text']['rawHtml'] = $highlighted->value;
364			$block['element']['text']['allowRawHtmlInSafeMode'] = true;
365
366			return $block;
367			}
368
369			/**
370			* Returns URL without query string.
371			*/
372			private function cleanUrl(string $path): string
373			{
374			return strtok(trim($path), '?') ?: trim($path);
375			}
376			}
377

Cecilapp / Cecil

Push — analysis-rr4mB9 ( 551544 )

Parsedown::inlineImage() C

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Duplication Side-by-Side

Filter issues like