Extension::toCss() - Code Metrics - Inspection of "Delete fixtures" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — feature-output-formats ( 77af1f...1f46d0 )

by Arnaud

created 2019-02-19 16:52 UTC

Extension::toCss() A

↳ Parent: Extension

Complexity

Conditions	4
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	28
rs	9.472
c	0
b	0
f	0
cc	4
nc	4
nop	1

<?php
/*
 * 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\Renderer\Twig;

use Cecil\Builder;
use Cecil\Collection\CollectionInterface;
use Cecil\Collection\Page\Collection as PagesCollection;
use Cecil\Collection\Page\Page;
use Cecil\Config;
use Cecil\Exception\Exception;
use Cocur\Slugify\Bridge\Twig\SlugifyExtension;
use Cocur\Slugify\Slugify;
use Leafo\ScssPhp\Compiler;
use MatthiasMullie\Minify;
use Symfony\Component\Filesystem\Filesystem;

/**
 * Class Twig\Extension.
 */
class Extension extends SlugifyExtension
{
    /**
     * @var Builder
     */
    protected $builder;
    /**
     * @var Config
     */
    protected $config;
    /**
     * @var string
     */
    protected $outputPath;
    /**
     * @var Filesystem
     */
    protected $fileSystem;

    /**
     * Constructor.
     *
     * @param Builder $builder
     */
    public function __construct(Builder $builder)
    {
        parent::__construct(Slugify::create([
            'regexp' => Page::SLUGIFY_PATTERN,
        ]));

        $this->builder = $builder;
        $this->config = $this->builder->getConfig();
        $this->outputPath = $this->config->getOutputPath();
        $this->fileSystem = new Filesystem();
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'cecil';
    }

    /**
     * {@inheritdoc}
     */
    public function getFilters()
    {
        return [
            new \Twig_SimpleFilter('filterBySection', [$this, 'filterBySection']),
            new \Twig_SimpleFilter('filterBy', [$this, 'filterBy']),
            new \Twig_SimpleFilter('sortByTitle', [$this, 'sortByTitle']),
            new \Twig_SimpleFilter('sortByWeight', [$this, 'sortByWeight']),
            new \Twig_SimpleFilter('sortByDate', [$this, 'sortByDate']),
            new \Twig_SimpleFilter('urlize', [$this, 'slugifyFilter']),
            new \Twig_SimpleFilter('minifyCSS', [$this, 'minifyCss']),
            new \Twig_SimpleFilter('minifyJS', [$this, 'minifyJs']),
            new \Twig_SimpleFilter('SCSStoCSS', [$this, 'scssToCss']),
            new \Twig_SimpleFilter('excerpt', [$this, 'excerpt']),
            new \Twig_SimpleFilter('excerptHtml', [$this, 'excerptHtml']),
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function getFunctions()
    {
        return [
            new \Twig_SimpleFunction('url', [$this, 'createUrl']),
            new \Twig_SimpleFunction('minify', [$this, 'minify']),
            new \Twig_SimpleFunction('readtime', [$this, 'readtime']),
            new \Twig_SimpleFunction('toCSS', [$this, 'toCss']),
            new \Twig_SimpleFunction('hash', [$this, 'hashFile']),
            new \Twig_SimpleFunction('getenv', [$this, 'getEnv']),
        ];
    }

    /**
     * Filter by section.
     *
     * @param PagesCollection $pages
     * @param string          $section
     *
     * @return CollectionInterface
     */
    public function filterBySection(PagesCollection $pages, string $section): CollectionInterface
    {
        return $this->filterBy($pages, 'section', $section);
    }

    /**
     * Filter by variable.
     *
     * @param PagesCollection $pages
     * @param string          $variable
     * @param string          $value
     *
     * @return CollectionInterface
     */
    public function filterBy(PagesCollection $pages, string $variable, string $value): CollectionInterface
    {
        $filteredPages = $pages->filter(function (Page $page) use ($variable, $value) {
            // dedicated getter?
            $method = 'get'.ucfirst($variable);
            if (method_exists($page, $method) && $page->$method() == $value) {
                return true;
            }
            if ($page->getVariable($variable) == $value) {
                return true;
            }
        });

        return $filteredPages;
    }

    /**
     * Sort by title.
     *
     * @param CollectionInterface|array $collection
     *
     * @return array
     */
    public function sortByTitle($collection): array
    {
        if ($collection instanceof CollectionInterface) {
            $collection = $collection->toArray();
        }
        if (is_array($collection)) {
            array_multisort(array_keys($collection), SORT_NATURAL | SORT_FLAG_CASE, $collection);

        }

        return $collection;
    }

    /**
     * Sort by weight.
     *
     * @param CollectionInterface|array $collection
     *
     * @return array
     */
    public function sortByWeight($collection): array
    {
        $callback = function ($a, $b) {
            if (!isset($a['weight'])) {
                return 1;
            }
            if (!isset($b['weight'])) {
                return -1;
            }
            if ($a['weight'] == $b['weight']) {
                return 0;
            }

            return ($a['weight'] < $b['weight']) ? -1 : 1;
        };

        if ($collection instanceof CollectionInterface) {
            $collection = $collection->toArray();
        }
        if (is_array($collection)) {
            usort($collection, $callback);
        }

        return $collection;
    }

    /**
     * Sort by date.
     *
     * @param CollectionInterface|array $collection
     *
     * @return mixed
     */
    public function sortByDate($collection): array
    {
        $callback = function ($a, $b) {
            if (!isset($a['date'])) {
                return -1;
            }
            if (!isset($b['date'])) {
                return 1;
            }
            if ($a['date'] == $b['date']) {
                return 0;
            }

            return ($a['date'] > $b['date']) ? -1 : 1;
        };

        if ($collection instanceof CollectionInterface) {
            $collection = $collection->toArray();
        }
        if (is_array($collection)) {
            usort($collection, $callback);
        }

        return $collection;
    }

    /**
     * Create an URL.
     *
     * $options[
     *     'canonical' => null,
     *     'addhash'   => true,
     *     'format'    => 'json',
     * ];
     *
     * @param Page|string|null $value
     * @param array|null       $options
     *
     * @return string|null
     */
    public function createUrl($value = null, $options = null): ?string
    {
        $baseurl = $this->config->get('site.baseurl');
        $hash = md5($this->config->get('site.time'));
        $base = '';
        // handle options
        $canonical = null;
        $addhash = true;
        $format = 'html';
        // backward compatibility
        if (is_bool($options)) {
            $options = [];
            $options['canonical'] = false;
            if ($options === true) {
                $options['canonical'] = true;
            }
        }
        extract($options ?: []);


        // set baseurl
        if ($this->config->get('site.canonicalurl') === true || $canonical === true) {
            $base = rtrim($baseurl, '/');
        }
        if ($canonical === false) {
            $base = '';
        }

        // Page item
        if ($value instanceof Page) {
            $url = $value->getUrl($format, $this->config);
            $url = $base.'/'.ltrim($url, '/');
        } else {
            // string
            if (preg_match('~^(?:f|ht)tps?://~i', $value)) { // external URL
                $url = $value;
            } else {
                if (false !== strpos($value, '.')) { // ressource URL (with a dot for extension)
                    $url = $value;
                    if ($addhash) {
                        $url .= '?'.$hash;
                    }
                    $url = $base.'/'.ltrim($url, '/');
                } else {
                    $url = $base.'/';
                    if (!empty($value)) { // value == page ID?
                        $pageId = $this->slugifyFilter($value);
                        if ($this->builder->getPages()->has($pageId)) {
                            $page = $this->builder->getPages()->get($pageId);
                            $url = $this->createUrl($page, $options);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                        }
                    }
                }
            }
        }

        return $url;
    }

    /**
     * Minify a CSS or a JS file.
     *
     * @param string $path
     *
     * @throws Exception
     *
     * @return string
     */
    public function minify(string $path): string
    {
        $filePath = $this->outputPath.'/'.$path;
        if (is_file($filePath)) {
            $extension = (new \SplFileInfo($filePath))->getExtension();
            switch ($extension) {
                case 'css':
                    $minifier = new Minify\CSS($filePath);
                    break;
                case 'js':
                    $minifier = new Minify\JS($filePath);
                    break;
                default:
                    throw new Exception(sprintf("File '%s' should be a '.css' or a '.js'!", $path));
            }
            $minifier->minify($filePath);

            return $path;
        }

        throw new Exception(sprintf("File '%s' doesn't exist!", $path));
    }

    /**
     * Minify CSS.
     *
     * @param string $value
     *
     * @return string
     */
    public function minifyCss(string $value): string
    {
        $minifier = new Minify\CSS($value);

        return $minifier->minify();
    }

    /**
     * Minify JS.
     *
     * @param string $value
     *
     * @return string
     */
    public function minifyJs(string $value): string
    {
        $minifier = new Minify\JS($value);

        return $minifier->minify();
    }

    /**
     * Compile style file to CSS.
     *
     * @param string $path
     *
     * @throws Exception
     *
     * @return string
     */
    public function toCss(string $path): string
    {
        $filePath = $this->outputPath.'/'.$path;
        $subPath = substr($path, 0, strrpos($path, '/'));

        if (is_file($filePath)) {
            $extension = (new \SplFileInfo($filePath))->getExtension();
            switch ($extension) {
                case 'scss':
                    $scssPhp = new Compiler();
                    $scssPhp->setImportPaths($this->outputPath.'/'.$subPath);
                    $targetPath = preg_replace('/scss/m', 'css', $path);

                    // compile if target file doesn't exists
                    if (!$this->fileSystem->exists($this->outputPath.'/'.$targetPath)) {
                        $scss = file_get_contents($filePath);
                        $css = $scssPhp->compile($scss);
                        $this->fileSystem->dumpFile($this->outputPath.'/'.$targetPath, $css);
                    }

                    return $targetPath;
                default:
                    throw new Exception(sprintf("File '%s' should be a '.scss'!", $path));
            }
        }

        throw new Exception(sprintf("File '%s' doesn't exist!", $path));
    }

    /**
     * Compile SCSS string to CSS.
     *
     * @param string $value
     *
     * @return string
     */
    public function scssToCss(string $value): string
    {
        $scss = new Compiler();

        return $scss->compile($value);
    }

    /**
     * Read $lenght first characters of a string and add a suffix.
     *
     * @param string $string
     * @param int    $length
     * @param string $suffix
     *
     * @return string
     */
    public function excerpt(string $string, int $length = 450, string $suffix = ' …'): string
    {
        $string = str_replace('</p>', '<br /><br />', $string);
        $string = trim(strip_tags($string, '<br>'), '<br />');
        if (mb_strlen($string) > $length) {
            $string = mb_substr($string, 0, $length);
            $string .= $suffix;
        }

        return $string;
    }

    /**
     * Read characters before '<!-- excerpt -->'.
     *
     * @param string $string
     *
     * @return string
     */
    public function excerptHtml(string $string): string
    {
        // https://regex101.com/r/mA2mG0/3
        $pattern = '^(.*)[\n\r\s]*<!-- excerpt -->[\n\r\s]*(.*)$';
        preg_match(
            '/'.$pattern.'/s',
            $string,
            $matches
        );
        if (empty($matches)) {
            return $string;
        }

        return trim($matches[1]);
    }

    /**
     * Calculate estimated time to read a text.
     *
     * @param string $text
     *
     * @return string
     */
    public function readtime(string $text): string
    {
        $words = str_word_count(strip_tags($text));
        $min = floor($words / 200);
        if ($min === 0) {
            return '1';
        }

        return (string) $min;
    }

    /**
     * Hash file with sha384.
     *
     * @param string $path
     *
     * @return string|null
     */
    public function hashFile(string $path): ?string
    {
        if (is_file($filePath = $this->outputPath.'/'.$path)) {
            return sprintf('sha384-%s', base64_encode(hash_file('sha384', $filePath, true)));
        }
    }

    /**
     * Gets the value of an environment variable.
     *
     * @param string $var
     *
     * @return string|null
     */
    public function getEnv(string $var): ?string
    {
        return getenv($var) ?: null;
    }
}


1			<?php
2			/*
3			* Copyright (c) Arnaud Ligny <[email protected]>
4			*
5			* For the full copyright and license information, please view the LICENSE
6			* file that was distributed with this source code.
7			*/
8
9			namespace Cecil\Renderer\Twig;
10
11			use Cecil\Builder;
12			use Cecil\Collection\CollectionInterface;
13			use Cecil\Collection\Page\Collection as PagesCollection;
14			use Cecil\Collection\Page\Page;
15			use Cecil\Config;
16			use Cecil\Exception\Exception;
17			use Cocur\Slugify\Bridge\Twig\SlugifyExtension;
18			use Cocur\Slugify\Slugify;
19			use Leafo\ScssPhp\Compiler;
20			use MatthiasMullie\Minify;
21			use Symfony\Component\Filesystem\Filesystem;
22
23			/**
24			* Class Twig\Extension.
25			*/
26			class Extension extends SlugifyExtension
27			{
28			/**
29			* @var Builder
30			*/
31			protected $builder;
32			/**
33			* @var Config
34			*/
35			protected $config;
36			/**
37			* @var string
38			*/
39			protected $outputPath;
40			/**
41			* @var Filesystem
42			*/
43			protected $fileSystem;
44
45			/**
46			* Constructor.
47			*
48			* @param Builder $builder
49			*/
50			public function __construct(Builder $builder)
51			{
52			parent::__construct(Slugify::create([
53			'regexp' => Page::SLUGIFY_PATTERN,
54			]));
55
56			$this->builder = $builder;
57			$this->config = $this->builder->getConfig();
58			$this->outputPath = $this->config->getOutputPath();
59			$this->fileSystem = new Filesystem();
60			}
61
62			/**
63			* {@inheritdoc}
64			*/
65			public function getName()
66			{
67			return 'cecil';
68			}
69
70			/**
71			* {@inheritdoc}
72			*/
73			public function getFilters()
74			{
75			return [
76			new \Twig_SimpleFilter('filterBySection', [$this, 'filterBySection']),
77			new \Twig_SimpleFilter('filterBy', [$this, 'filterBy']),
78			new \Twig_SimpleFilter('sortByTitle', [$this, 'sortByTitle']),
79			new \Twig_SimpleFilter('sortByWeight', [$this, 'sortByWeight']),
80			new \Twig_SimpleFilter('sortByDate', [$this, 'sortByDate']),
81			new \Twig_SimpleFilter('urlize', [$this, 'slugifyFilter']),
82			new \Twig_SimpleFilter('minifyCSS', [$this, 'minifyCss']),
83			new \Twig_SimpleFilter('minifyJS', [$this, 'minifyJs']),
84			new \Twig_SimpleFilter('SCSStoCSS', [$this, 'scssToCss']),
85			new \Twig_SimpleFilter('excerpt', [$this, 'excerpt']),
86			new \Twig_SimpleFilter('excerptHtml', [$this, 'excerptHtml']),
87			];
88			}
89
90			/**
91			* {@inheritdoc}
92			*/
93			public function getFunctions()
94			{
95			return [
96			new \Twig_SimpleFunction('url', [$this, 'createUrl']),
97			new \Twig_SimpleFunction('minify', [$this, 'minify']),
98			new \Twig_SimpleFunction('readtime', [$this, 'readtime']),
99			new \Twig_SimpleFunction('toCSS', [$this, 'toCss']),
100			new \Twig_SimpleFunction('hash', [$this, 'hashFile']),
101			new \Twig_SimpleFunction('getenv', [$this, 'getEnv']),
102			];
103			}
104
105			/**
106			* Filter by section.
107			*
108			* @param PagesCollection $pages
109			* @param string $section
110			*
111			* @return CollectionInterface
112			*/
113			public function filterBySection(PagesCollection $pages, string $section): CollectionInterface
114			{
115			return $this->filterBy($pages, 'section', $section);
116			}
117
118			/**
119			* Filter by variable.
120			*
121			* @param PagesCollection $pages
122			* @param string $variable
123			* @param string $value
124			*
125			* @return CollectionInterface
126			*/
127			public function filterBy(PagesCollection $pages, string $variable, string $value): CollectionInterface
128			{
129			$filteredPages = $pages->filter(function (Page $page) use ($variable, $value) {
130			// dedicated getter?
131			$method = 'get'.ucfirst($variable);
132			if (method_exists($page, $method) && $page->$method() == $value) {
133			return true;
134			}
135			if ($page->getVariable($variable) == $value) {
136			return true;
137			}
138			});
139
140			return $filteredPages;
141			}
142
143			/**
144			* Sort by title.
145			*
146			* @param CollectionInterface\|array $collection
147			*
148			* @return array
149			*/
150			public function sortByTitle($collection): array
151			{
152			if ($collection instanceof CollectionInterface) {
153			$collection = $collection->toArray();
154			}
155			if (is_array($collection)) {
156			array_multisort(array_keys($collection), SORT_NATURAL \| SORT_FLAG_CASE, $collection);
			0 ignored issues – show Bug introduced 2019-02-15 21:54 UTC by Report Bug Copy Issue Report `array_keys($collection)` cannot be passed to `array_multisort()` as the parameter `$arr` expects a reference. Loading history...
157			}
158
159			return $collection;
160			}
161
162			/**
163			* Sort by weight.
164			*
165			* @param CollectionInterface\|array $collection
166			*
167			* @return array
168			*/
169			public function sortByWeight($collection): array
170			{
171			$callback = function ($a, $b) {
172			if (!isset($a['weight'])) {
173			return 1;
174			}
175			if (!isset($b['weight'])) {
176			return -1;
177			}
178			if ($a['weight'] == $b['weight']) {
179			return 0;
180			}
181
182			return ($a['weight'] < $b['weight']) ? -1 : 1;
183			};
184
185			if ($collection instanceof CollectionInterface) {
186			$collection = $collection->toArray();
187			}
188			if (is_array($collection)) {
189			usort($collection, $callback);
190			}
191
192			return $collection;
193			}
194
195			/**
196			* Sort by date.
197			*
198			* @param CollectionInterface\|array $collection
199			*
200			* @return mixed
201			*/
202			public function sortByDate($collection): array
203			{
204			$callback = function ($a, $b) {
205			if (!isset($a['date'])) {
206			return -1;
207			}
208			if (!isset($b['date'])) {
209			return 1;
210			}
211			if ($a['date'] == $b['date']) {
212			return 0;
213			}
214
215			return ($a['date'] > $b['date']) ? -1 : 1;
216			};
217
218			if ($collection instanceof CollectionInterface) {
219			$collection = $collection->toArray();
220			}
221			if (is_array($collection)) {
222			usort($collection, $callback);
223			}
224
225			return $collection;
226			}
227
228			/**
229			* Create an URL.
230			*
231			* $options[
232			* 'canonical' => null,
233			* 'addhash' => true,
234			* 'format' => 'json',
235			* ];
236			*
237			* @param Page\|string\|null $value
238			* @param array\|null $options
239			*
240			* @return string\|null
241			*/
242			public function createUrl($value = null, $options = null): ?string
243			{
244			$baseurl = $this->config->get('site.baseurl');
245			$hash = md5($this->config->get('site.time'));
246			$base = '';
247			// handle options
248			$canonical = null;
249			$addhash = true;
250			$format = 'html';
251			// backward compatibility
252			if (is_bool($options)) {
253			$options = [];
254			$options['canonical'] = false;
255			if ($options === true) {
256			$options['canonical'] = true;
257			}
258			}
259			extract($options ?: []);
			0 ignored issues – show Bug introduced 2019-02-19 16:55 UTC by Report Bug Copy Issue Report `$options ?: array()` cannot be passed to `extract()` as the parameter `$var_array` expects a reference. Loading history...
260
261			// set baseurl
262			if ($this->config->get('site.canonicalurl') === true \|\| $canonical === true) {
263			$base = rtrim($baseurl, '/');
264			}
265			if ($canonical === false) {
266			$base = '';
267			}
268
269			// Page item
270			if ($value instanceof Page) {
271			$url = $value->getUrl($format, $this->config);
272			$url = $base.'/'.ltrim($url, '/');
273			} else {
274			// string
275			if (preg_match('~^(?:f\|ht)tps?://~i', $value)) { // external URL
276			$url = $value;
277			} else {
278			if (false !== strpos($value, '.')) { // ressource URL (with a dot for extension)
279			$url = $value;
280			if ($addhash) {
281			$url .= '?'.$hash;
282			}
283			$url = $base.'/'.ltrim($url, '/');
284			} else {
285			$url = $base.'/';
286			if (!empty($value)) { // value == page ID?
287			$pageId = $this->slugifyFilter($value);
288			if ($this->builder->getPages()->has($pageId)) {
289			$page = $this->builder->getPages()->get($pageId);
290			$url = $this->createUrl($page, $options);
			0 ignored issues – show Documentation introduced 2019-02-19 00:10 UTC by Report Bug Copy Issue Report `$page` is of type `object<Cecil\Collection\ItemInterface>\|boolean`, but the function expects a `object<Cecil\Collection\Page\Page>\|string\|null`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
291			}
292			}
293			}
294			}
295			}
296
297			return $url;
298			}
299
300			/**
301			* Minify a CSS or a JS file.
302			*
303			* @param string $path
304			*
305			* @throws Exception
306			*
307			* @return string
308			*/
309			public function minify(string $path): string
310			{
311			$filePath = $this->outputPath.'/'.$path;
312			if (is_file($filePath)) {
313			$extension = (new \SplFileInfo($filePath))->getExtension();
314			switch ($extension) {
315			case 'css':
316			$minifier = new Minify\CSS($filePath);
317			break;
318			case 'js':
319			$minifier = new Minify\JS($filePath);
320			break;
321			default:
322			throw new Exception(sprintf("File '%s' should be a '.css' or a '.js'!", $path));
323			}
324			$minifier->minify($filePath);
325
326			return $path;
327			}
328
329			throw new Exception(sprintf("File '%s' doesn't exist!", $path));
330			}
331
332			/**
333			* Minify CSS.
334			*
335			* @param string $value
336			*
337			* @return string
338			*/
339			public function minifyCss(string $value): string
340			{
341			$minifier = new Minify\CSS($value);
342
343			return $minifier->minify();
344			}
345
346			/**
347			* Minify JS.
348			*
349			* @param string $value
350			*
351			* @return string
352			*/
353			public function minifyJs(string $value): string
354			{
355			$minifier = new Minify\JS($value);
356
357			return $minifier->minify();
358			}
359
360			/**
361			* Compile style file to CSS.
362			*
363			* @param string $path
364			*
365			* @throws Exception
366			*
367			* @return string
368			*/
369			public function toCss(string $path): string
370			{
371			$filePath = $this->outputPath.'/'.$path;
372			$subPath = substr($path, 0, strrpos($path, '/'));
373
374			if (is_file($filePath)) {
375			$extension = (new \SplFileInfo($filePath))->getExtension();
376			switch ($extension) {
377			case 'scss':
378			$scssPhp = new Compiler();
379			$scssPhp->setImportPaths($this->outputPath.'/'.$subPath);
380			$targetPath = preg_replace('/scss/m', 'css', $path);
381
382			// compile if target file doesn't exists
383			if (!$this->fileSystem->exists($this->outputPath.'/'.$targetPath)) {
384			$scss = file_get_contents($filePath);
385			$css = $scssPhp->compile($scss);
386			$this->fileSystem->dumpFile($this->outputPath.'/'.$targetPath, $css);
387			}
388
389			return $targetPath;
390			default:
391			throw new Exception(sprintf("File '%s' should be a '.scss'!", $path));
392			}
393			}
394
395			throw new Exception(sprintf("File '%s' doesn't exist!", $path));
396			}
397
398			/**
399			* Compile SCSS string to CSS.
400			*
401			* @param string $value
402			*
403			* @return string
404			*/
405			public function scssToCss(string $value): string
406			{
407			$scss = new Compiler();
408
409			return $scss->compile($value);
410			}
411
412			/**
413			* Read $lenght first characters of a string and add a suffix.
414			*
415			* @param string $string
416			* @param int $length
417			* @param string $suffix
418			*
419			* @return string
420			*/
421			public function excerpt(string $string, int $length = 450, string $suffix = ' …'): string
422			{
423			$string = str_replace('</p>', '<br /><br />', $string);
424			$string = trim(strip_tags($string, '<br>'), '<br />');
425			if (mb_strlen($string) > $length) {
426			$string = mb_substr($string, 0, $length);
427			$string .= $suffix;
428			}
429
430			return $string;
431			}
432
433			/**
434			* Read characters before '<!-- excerpt -->'.
435			*
436			* @param string $string
437			*
438			* @return string
439			*/
440			public function excerptHtml(string $string): string
441			{
442			// https://regex101.com/r/mA2mG0/3
443			$pattern = '^(.)[\n\r\s]<!-- excerpt -->[\n\r\s](.)$';
444			preg_match(
445			'/'.$pattern.'/s',
446			$string,
447			$matches
448			);
449			if (empty($matches)) {
450			return $string;
451			}
452
453			return trim($matches[1]);
454			}
455
456			/**
457			* Calculate estimated time to read a text.
458			*
459			* @param string $text
460			*
461			* @return string
462			*/
463			public function readtime(string $text): string
464			{
465			$words = str_word_count(strip_tags($text));
466			$min = floor($words / 200);
467			if ($min === 0) {
468			return '1';
469			}
470
471			return (string) $min;
472			}
473
474			/**
475			* Hash file with sha384.
476			*
477			* @param string $path
478			*
479			* @return string\|null
480			*/
481			public function hashFile(string $path): ?string
482			{
483			if (is_file($filePath = $this->outputPath.'/'.$path)) {
484			return sprintf('sha384-%s', base64_encode(hash_file('sha384', $filePath, true)));
485			}
486			}
487
488			/**
489			* Gets the value of an environment variable.
490			*
491			* @param string $var
492			*
493			* @return string\|null
494			*/
495			public function getEnv(string $var): ?string
496			{
497			return getenv($var) ?: null;
498			}
499			}
500

Cecilapp / Cecil

Push — feature-output-formats ( 77af1f...1f46d0 )

Extension::toCss() A

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