PagesRender::postProcessOutput() - Code Metrics - Inspection of "Apply fixes from StyleCI (#724)" - Cecilapp/Cecil - Measure and Improve Code Quality continuously with Scrutinizer

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by Arnaud

created 2020-04-11 23:47 UTC

PagesRender::postProcessOutput() A

↳ Parent: PagesRender

Complexity

Conditions	4
Paths	6

Size

Total Lines	31
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	4
eloc	17
c	2
b	0
f	0
nc	6
nop	3
dl	0
loc	31
rs	9.7

<?php
/**
 * This file is part of the Cecil/Cecil package.
 *
 * 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\Step;

use Cecil\Builder;
use Cecil\Collection\Page\Page;
use Cecil\Collection\Page\PrefixSuffix;
use Cecil\Exception\Exception;
use Cecil\Renderer\Layout;
use Cecil\Renderer\Site;
use Cecil\Renderer\Twig;
use Cecil\Util;

/**
 * Pages rendering.
 */
class PagesRender extends AbstractStep
{
    /**
     * {@inheritdoc}
     *
     * @throws Exception
     */
    public function init($options)
    {
        if (!is_dir($this->config->getLayoutsPath()) && !$this->config->hasTheme()) {
            throw new Exception(sprintf(
                "'%s' is not a valid layouts directory",
                $this->config->getLayoutsPath()
            ));
        }

        $this->process = true;
    }

    /**
     * {@inheritdoc}
     *
     * @throws Exception
     */
    public function process()
    {
        // prepares renderer
        $this->builder->setRenderer(new Twig($this->getAllLayoutsPaths(), $this->builder));

        // adds global variables
        $this->addGlobals();

        call_user_func_array($this->builder->getMessageCb(), ['RENDER', 'Rendering pages']);

        // collects published pages
        /** @var Page $page */
        $filteredPages = $this->builder->getPages()->filter(function (Page $page) {
            return !empty($page->getVariable('published'));
        });
        $max = count($filteredPages);

        // renders each page
        $count = 0;
        /** @var Page $page */
        foreach ($filteredPages as $page) {
            $count++;
            $formats = ['html'];

            $rendered = [];

            // i18n
            $pageLang = $page->getVariable('language');
            $locale = $this->config->getLanguageProperty('locale', $pageLang);
            // the PHP Intl extension is needed to use localized date
            if (extension_loaded('intl')) {
                \Locale::setDefault($locale);
            }
            // the PHP Gettext extension is needed to use translation
            if (extension_loaded('gettext')) {
                $localePath = realpath(Util::joinFile($this->config->getSourceDir(), 'locale'));
                $domain = 'messages';
                putenv("LC_ALL=$locale");
                putenv("LANGUAGE=$locale");
                setlocale(LC_ALL, "$locale.UTF-8");
                bindtextdomain($domain, $localePath);
            }

            // global site variables
            $this->builder->getRenderer()->addGlobal('site', new Site($this->builder, $pageLang));

            // get Page's output formats
            $formats = $this->getOutputFormats($page);
            $page->setVariable('output', $formats);

            // excluded format(s)?
            foreach ($formats as $key => $format) {
                if ($exclude = $this->config->getOutputFormatProperty($format, 'exclude')) {
                    // ie:
                    //   formats:
                    //     atom:
                    //       [...]
                    //       exclude: [paginated]
                    if (!is_array($exclude)) {
                        $exclude = [$exclude];
                    }
                    foreach ($exclude as $variable) {
                        if ($page->hasVariable($variable)) {
                            unset($formats[$key]);
                        }
                    }
                }
            }

            // get and set alternates links
            $page->setVariable('alternates', $this->getAlternates($formats));

            // renders each output format
            foreach ($formats as $format) {
                // search for the template
                $layout = Layout::finder($page, $format, $this->config);
                // renders with Twig
                try {
                    $output = $this->builder->getRenderer()->render($layout['file'], ['page' => $page]);
                    $output = $this->postProcessOutput($output, $page, $format);
                    $rendered[$format]['output'] = $output;
                    $rendered[$format]['template']['scope'] = $layout['scope'];
                    $rendered[$format]['template']['file'] = $layout['file'];
                } catch (\Twig\Error\Error $e) {
                    throw new Exception(sprintf(
                        "%s\nChecks template \"%s:%s\" line %s, used by page \"%s\".",
                        $e->getMessage(),
                        $layout['scope'],
                        $layout['file'],
                        $e->getLine(),
                        $page->getId()
                    ));
                } catch (\Exception $e) {
                    throw new Exception(sprintf(
                        'Error in template "%s:%s" for page "%s"',
                        $layout['scope'],
                        $layout['file'],
                        $page->getId()
                    ));
                }
            }
            $page->setVariable('rendered', $rendered);
            $this->builder->getPages()->replace($page->getId(), $page);

            $templates = array_column($rendered, 'template');
            $message = sprintf(
                '%s [%s]',
                ($page->getId() ?: 'index'),
                Util::combineArrayToString($templates, 'scope', 'file')
            );
            call_user_func_array($this->builder->getMessageCb(), ['RENDER_PROGRESS', $message, $count, $max]);
        }
    }

    /**
     * Returns an array of layouts directories.
     *
     * @return array
     */
    protected function getAllLayoutsPaths(): array
    {
        $paths = [];

        // layouts/
        if (is_dir($this->config->getLayoutsPath())) {
            $paths[] = $this->config->getLayoutsPath();
        }
        // <theme>/layouts/
        if ($this->config->hasTheme()) {
            $themes = $this->config->getTheme();
            foreach ($themes as $theme) {
                $paths[] = $this->config->getThemeDirPath($theme);
            }
        }
        // res/layouts/
        if (is_dir($this->config->getInternalLayoutsPath())) {
            $paths[] = $this->config->getInternalLayoutsPath();
        }

        return $paths;
    }

    /**
     * Adds global variables.
     */
    protected function addGlobals()
    {
        $this->builder->getRenderer()->addGlobal('cecil', [
            'url'       => sprintf('https://cecil.app/#%s', Builder::getVersion()),
            'version'   => Builder::getVersion(),
            'poweredby' => sprintf('Cecil v%s', Builder::getVersion()),
        ]);
    }

    /**
     * Get available output formats.
     *
     * @param Page $page
     *
     * @return array
     */
    protected function getOutputFormats(Page $page): array
    {
        // Get available output formats for the page type.
        // ie:
        //   page: [html, json]
        $formats = $this->config->get('output.pagetypeformats.'.$page->getType());

        if (empty($formats)) {
            throw new Exception('Configuration key "pagetypeformats" can\'t be empty.');
        }

        if (!\is_array($formats)) {
            $formats = [$formats];
        }

        // Get page output format(s).
        // ie:
        //   output: txt
        if ($page->getVariable('output')) {
            $formats = $page->getVariable('output');
            if (!\is_array($formats)) {
                $formats = [$formats];
            }
        }

        return $formats;
    }

    /**
     * Get alternates.
     *
     * @param array $formats
     *
     * @return array
     */
    protected function getAlternates(array $formats): array
    {
        $alternates = [];

        if (count($formats) > 1 || in_array('html', $formats)) {
            foreach ($formats as $format) {
                $format == 'html' ? $rel = 'canonical' : $rel = 'alternate';
                $alternates[] = [
                    'rel'    => $rel,
                    'type'   => $this->config->getOutputFormatProperty($format, 'mediatype'),
                    'title'  => strtoupper($format),
                    'format' => $format,
                ];
            }
        }

        return $alternates;
    }

    /**
     * Apply post rendering on output.
     *
     * @param string $rendered
     * @param Page   $page
     * @param string $format
     *
     * @return string
     */
    private function postProcessOutput(string $rendered, Page $page, string $format): string
    {
        switch ($format) {
            case 'html':
                // add generator meta
                if (!preg_match('/<meta name="generator".*/i', $rendered)) {
                    $meta = \sprintf('<meta name="generator" content="Cecil %s" />', Builder::getVersion());
                    $rendered = preg_replace('/(<\/head>)/i', "\t$meta\n  $1", $rendered);
                }
                // replace excerpt or break tag by HTML anchor
                // https://regex101.com/r/Xl7d5I/3
                $pattern = '(.*)(<!--[[:blank:]]?(excerpt|break)[[:blank:]]?-->)(.*)';
                $replacement = '$1<span id="more"></span>$4';
                $rendered = preg_replace('/'.$pattern.'/is', $replacement, $rendered);
        }

        // replace internal link to *.md files with the right URL
        // https://regex101.com/r/dZ02zO/5
        $replace = 'href="../%s/%s"';
        if (empty($page->getFolder())) {
            $replace = 'href="%s/%s"';
        }
        $rendered = preg_replace_callback(
            '/href="([A-Za-z0-9_\.\-\/]+)\.md(\#[A-Za-z0-9\-]+)?"/is',
            function ($matches) use ($replace) {
                return \sprintf($replace, Page::slugify(PrefixSuffix::sub($matches[1])), $matches[2] ?? '');
            },
            $rendered
        );

        return $rendered;
    }
}


1			<?php
2			/**
3			* This file is part of the Cecil/Cecil package.
4			*
5			* Copyright (c) Arnaud Ligny <[email protected]>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			namespace Cecil\Step;
12
13			use Cecil\Builder;
14			use Cecil\Collection\Page\Page;
15			use Cecil\Collection\Page\PrefixSuffix;
16			use Cecil\Exception\Exception;
17			use Cecil\Renderer\Layout;
18			use Cecil\Renderer\Site;
19			use Cecil\Renderer\Twig;
20			use Cecil\Util;
21
22			/**
23			* Pages rendering.
24			*/
25			class PagesRender extends AbstractStep
26			{
27			/**
28			* {@inheritdoc}
29			*
30			* @throws Exception
31			*/
32			public function init($options)
33			{
34			if (!is_dir($this->config->getLayoutsPath()) && !$this->config->hasTheme()) {
35			throw new Exception(sprintf(
36			"'%s' is not a valid layouts directory",
37			$this->config->getLayoutsPath()
38			));
39			}
40
41			$this->process = true;
42			}
43
44			/**
45			* {@inheritdoc}
46			*
47			* @throws Exception
48			*/
49			public function process()
50			{
51			// prepares renderer
52			$this->builder->setRenderer(new Twig($this->getAllLayoutsPaths(), $this->builder));
53
54			// adds global variables
55			$this->addGlobals();
56
57			call_user_func_array($this->builder->getMessageCb(), ['RENDER', 'Rendering pages']);
58
59			// collects published pages
60			/** @var Page $page */
61			$filteredPages = $this->builder->getPages()->filter(function (Page $page) {
62			return !empty($page->getVariable('published'));
63			});
64			$max = count($filteredPages);
65
66			// renders each page
67			$count = 0;
68			/** @var Page $page */
69			foreach ($filteredPages as $page) {
70			$count++;
71			$formats = ['html'];
			0 ignored issues – show Unused Code introduced 2020-02-25 11:12 UTC by Report Bug Copy Issue Report The assignment to `$formats` is dead and can be removed. Loading history...
72			$rendered = [];
73
74			// i18n
75			$pageLang = $page->getVariable('language');
76			$locale = $this->config->getLanguageProperty('locale', $pageLang);
77			// the PHP Intl extension is needed to use localized date
78			if (extension_loaded('intl')) {
79			\Locale::setDefault($locale);
80			}
81			// the PHP Gettext extension is needed to use translation
82			if (extension_loaded('gettext')) {
83			$localePath = realpath(Util::joinFile($this->config->getSourceDir(), 'locale'));
84			$domain = 'messages';
85			putenv("LC_ALL=$locale");
86			putenv("LANGUAGE=$locale");
87			setlocale(LC_ALL, "$locale.UTF-8");
88			bindtextdomain($domain, $localePath);
89			}
90
91			// global site variables
92			$this->builder->getRenderer()->addGlobal('site', new Site($this->builder, $pageLang));
93
94			// get Page's output formats
95			$formats = $this->getOutputFormats($page);
96			$page->setVariable('output', $formats);
97
98			// excluded format(s)?
99			foreach ($formats as $key => $format) {
100			if ($exclude = $this->config->getOutputFormatProperty($format, 'exclude')) {
101			// ie:
102			// formats:
103			// atom:
104			// [...]
105			// exclude: [paginated]
106			if (!is_array($exclude)) {
107			$exclude = [$exclude];
108			}
109			foreach ($exclude as $variable) {
110			if ($page->hasVariable($variable)) {
111			unset($formats[$key]);
112			}
113			}
114			}
115			}
116
117			// get and set alternates links
118			$page->setVariable('alternates', $this->getAlternates($formats));
119
120			// renders each output format
121			foreach ($formats as $format) {
122			// search for the template
123			$layout = Layout::finder($page, $format, $this->config);
124			// renders with Twig
125			try {
126			$output = $this->builder->getRenderer()->render($layout['file'], ['page' => $page]);
127			$output = $this->postProcessOutput($output, $page, $format);
128			$rendered[$format]['output'] = $output;
129			$rendered[$format]['template']['scope'] = $layout['scope'];
130			$rendered[$format]['template']['file'] = $layout['file'];
131			} catch (\Twig\Error\Error $e) {
132			throw new Exception(sprintf(
133			"%s\nChecks template \"%s:%s\" line %s, used by page \"%s\".",
134			$e->getMessage(),
135			$layout['scope'],
136			$layout['file'],
137			$e->getLine(),
138			$page->getId()
139			));
140			} catch (\Exception $e) {
141			throw new Exception(sprintf(
142			'Error in template "%s:%s" for page "%s"',
143			$layout['scope'],
144			$layout['file'],
145			$page->getId()
146			));
147			}
148			}
149			$page->setVariable('rendered', $rendered);
150			$this->builder->getPages()->replace($page->getId(), $page);
151
152			$templates = array_column($rendered, 'template');
153			$message = sprintf(
154			'%s [%s]',
155			($page->getId() ?: 'index'),
156			Util::combineArrayToString($templates, 'scope', 'file')
157			);
158			call_user_func_array($this->builder->getMessageCb(), ['RENDER_PROGRESS', $message, $count, $max]);
159			}
160			}
161
162			/**
163			* Returns an array of layouts directories.
164			*
165			* @return array
166			*/
167			protected function getAllLayoutsPaths(): array
168			{
169			$paths = [];
170
171			// layouts/
172			if (is_dir($this->config->getLayoutsPath())) {
173			$paths[] = $this->config->getLayoutsPath();
174			}
175			// <theme>/layouts/
176			if ($this->config->hasTheme()) {
177			$themes = $this->config->getTheme();
178			foreach ($themes as $theme) {
179			$paths[] = $this->config->getThemeDirPath($theme);
180			}
181			}
182			// res/layouts/
183			if (is_dir($this->config->getInternalLayoutsPath())) {
184			$paths[] = $this->config->getInternalLayoutsPath();
185			}
186
187			return $paths;
188			}
189
190			/**
191			* Adds global variables.
192			*/
193			protected function addGlobals()
194			{
195			$this->builder->getRenderer()->addGlobal('cecil', [
196			'url' => sprintf('https://cecil.app/#%s', Builder::getVersion()),
197			'version' => Builder::getVersion(),
198			'poweredby' => sprintf('Cecil v%s', Builder::getVersion()),
199			]);
200			}
201
202			/**
203			* Get available output formats.
204			*
205			* @param Page $page
206			*
207			* @return array
208			*/
209			protected function getOutputFormats(Page $page): array
210			{
211			// Get available output formats for the page type.
212			// ie:
213			// page: [html, json]
214			$formats = $this->config->get('output.pagetypeformats.'.$page->getType());
215
216			if (empty($formats)) {
217			throw new Exception('Configuration key "pagetypeformats" can\'t be empty.');
218			}
219
220			if (!\is_array($formats)) {
221			$formats = [$formats];
222			}
223
224			// Get page output format(s).
225			// ie:
226			// output: txt
227			if ($page->getVariable('output')) {
228			$formats = $page->getVariable('output');
229			if (!\is_array($formats)) {
230			$formats = [$formats];
231			}
232			}
233
234			return $formats;
235			}
236
237			/**
238			* Get alternates.
239			*
240			* @param array $formats
241			*
242			* @return array
243			*/
244			protected function getAlternates(array $formats): array
245			{
246			$alternates = [];
247
248			if (count($formats) > 1 \|\| in_array('html', $formats)) {
249			foreach ($formats as $format) {
250			$format == 'html' ? $rel = 'canonical' : $rel = 'alternate';
251			$alternates[] = [
252			'rel' => $rel,
253			'type' => $this->config->getOutputFormatProperty($format, 'mediatype'),
254			'title' => strtoupper($format),
255			'format' => $format,
256			];
257			}
258			}
259
260			return $alternates;
261			}
262
263			/**
264			* Apply post rendering on output.
265			*
266			* @param string $rendered
267			* @param Page $page
268			* @param string $format
269			*
270			* @return string
271			*/
272			private function postProcessOutput(string $rendered, Page $page, string $format): string
273			{
274			switch ($format) {
275			case 'html':
276			// add generator meta
277			if (!preg_match('/<meta name="generator".*/i', $rendered)) {
278			$meta = \sprintf('<meta name="generator" content="Cecil %s" />', Builder::getVersion());
279			$rendered = preg_replace('/(<\/head>)/i', "\t$meta\n $1", $rendered);
280			}
281			// replace excerpt or break tag by HTML anchor
282			// https://regex101.com/r/Xl7d5I/3
283			$pattern = '(.)(<!--[[:blank:]]?(excerpt\|break)[[:blank:]]?-->)(.)';
284			$replacement = '$1<span id="more"></span>$4';
285			$rendered = preg_replace('/'.$pattern.'/is', $replacement, $rendered);
286			}
287
288			// replace internal link to *.md files with the right URL
289			// https://regex101.com/r/dZ02zO/5
290			$replace = 'href="../%s/%s"';
291			if (empty($page->getFolder())) {
292			$replace = 'href="%s/%s"';
293			}
294			$rendered = preg_replace_callback(
295			'/href="([A-Za-z0-9_\.\-\/]+)\.md(\#[A-Za-z0-9\-]+)?"/is',
296			function ($matches) use ($replace) {
297			return \sprintf($replace, Page::slugify(PrefixSuffix::sub($matches[1])), $matches[2] ?? '');
298			},
299			$rendered
300			);
301
302			return $rendered;
303			}
304			}
305

Cecilapp / Cecil

Push — assets ( 82f473...4367fa )

PagesRender::postProcessOutput() A

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