AframeDOMDocument::__construct() - Code Metrics - Inspection of "Simplified AframeDOMDocument" - mkungla/aframe-php - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( abfc1a...ad5651 )

by Marko

created 2016-06-28 23:57 UTC

AframeDOMDocument::__construct() B

↳ Parent: AframeDOMDocument

Complexity

Conditions	5
Paths	4

Size

Total Lines	21
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	5

Importance

Changes

Metric	Value
dl	0
loc	21
ccs	11
cts	11
cp	1
rs	8.7624
c	0
b	0
f	0
cc	5
eloc	10
nc	4
nop	1
crap	5

<?php
/** @formatter:off
 * ******************************************************************
 * Created by   Marko Kungla on Jun 27, 2016 - 9:55:09 PM
 * Contact      [email protected]
 * @copyright   2016 Marko Kungla - https://github.com/mkungla
 * @license     The MIT License (MIT)
 * 
 * @category       AframeVR
 * @package        aframe-php
 * 
 * Lang         PHP (php version >= 7)
 * Encoding     UTF-8
 * File         AframeDOMDocument.php
 * Code format  PSR-2 and 12
 * @link        https://github.com/mkungla/aframe-php
 ^ @issues      https://github.com/mkungla/aframe-php/issues
 * ********************************************************************
 * Contributors:
 * @author Marko Kungla <[email protected]>
 * ********************************************************************
 * Comments:
 * @formatter:on */
namespace AframeVR\Core\DOM;

use \AframeVR\Core\Config;
use \DOMImplementation;
use \DOMDocumentType;
use \DOMDocument;
use \AframeVR\Core\Entity;
use \AframeVR\Interfaces\AssetsInterface;

final class AframeDOMDocument extends DOMImplementation
{

    const DEFAULT_METATAGS = array(
        array(
            'charset' => 'utf-8'
        ),
        array(
            'name' => 'viewport',
            'content' => 'width=device-width,initial-scale=1,maximum-scale=1,shrink-to-fit=no,user-scalable=no,minimal-ui'
        ),
        array(
            'name' => 'mobile-web-app-capable',
            'content' => 'yes'
        ),
        array(
            'name' => 'theme-color',
            'content' => 'black'
        )
    );

    /**
     * A-Frame DOM Document type
     *
     * @var \DOMDocumentType
     */
    protected $doctypeObj;

    /**
     * A-Frame DOM Document
     *
     * @var \DOMDocument
     */
    protected $docObj;

    /**
     * Scene meta tile
     *
     * @var string $scene_title
     */
    protected $scene_title = 'Untitled';

    /**
     * Scene meta description
     *
     * @var string $scene_description
     */
    protected $scene_description = '';

    /**
     * CDN Of aframe.js
     *
     * @var string
     */
    protected $aframe_cdn;

    /**
     * Whether to use CDN
     *
     * @var bool $use_cdn
     */
    protected $use_cdn = false;

    /**
     * <head>
     *
     * @var \DOMElement
     */
    protected $head;

    /**
     * <body>
     *
     * @var \DOMElement
     */
    protected $body;

    /**
     * <a-scene>
     *
     * @var \DOMElement
     */
    protected $scene;

    /**
     * <a-assets>
     *
     * @var \DOMElement
     */
    protected $assets;

    /**
     * Nicely formats output with indentation and extra space.
     *
     * @var bool
     */
    protected $formatOutput = false;

    /**
     * A-Frame DOM
     *
     * @param Config $config            
     */
    public function __construct(Config $config)
    {
        /* Config */
        $this->formatOutput = is_bool($config->get('formatOutput')) ? $config->get('formatOutput') : false;
        $this->use_cdn = is_bool($config->get('useCDN')) ? $config->get('useCDN') : false;
        
        /* Create HTML5 Document type */
        $this->createDocType('html');
        /* Create A-Frame DOM Document */
        $this->createAframeDocument();
        /* Create <head> element */
        $this->head = $this->docObj->createElement('head');
        /* Create <body> element */
        $this->body = $this->docObj->createElement('body', $this->formatOutput ? "\n" : '');
        /* Create <a-scene> element */
        $this->scene = $this->docObj->createElement('a-scene');
        /* Create <a-assets> element */
        $this->assets = $this->docObj->createElement('a-assets');
        /* Set CDN of aframe.js */
        $this->setCDN(is_string($config->get('CDN')) ? $config->get('CDN') : '');
    }

    /**
     * Set CDN for aframe.js or min.js
     *
     * @param string $cdn            
     * @return void
     */
    public function setCDN(string $cdn)
    {
        $this->aframe_cdn = $cdn;
    }

    /**
     * Render scene this DOM Object is attached to
     *
     * @return string
     */
    public function render(): string
    {
        $this->docObj->formatOutput = $this->formatOutput;
        $html = $this->docObj->getElementsByTagName('html')->item(0);
        /* Make sure we do not add duplicates when render is called multiple times */
        if (! $html->hasChildNodes()) {
            $this->renderHead();
            $html->appendChild($this->head);
            
            $this->renderBody();
            $html->appendChild($this->body);
        }
        return $this->formatOutput ? $this->correctOutputFormat($this->docObj->saveHTML()) : $this->docObj->saveHTML();
    }

    /**
     * Set Scene meta title
     *
     * @param string $title            
     */
    public function setTitle(string $title)
    {
        $this->scene_title = $title;
    }

    /**
     * Set Scene meta description
     *
     * @param string $description            
     */
    public function setDescription(string $description)
    {
        $this->scene_description = $description;
    }

    /**
     * Append entities
     *
     * @param array $entities            
     * @return void
     */
    public function appendEntities(array $entities)
    {
        if (! empty($entities)) {
            foreach ($entities as $entity) {
                $this->appendEntity($entity);
            }
        }
    }

    /**
     * Append assets
     *
     * @param array $assets            
     * @return void
     */
    public function appendAssets(array $assets)
    {
        if (! empty($assets)) {
            if ($this->formatOutput) {
                $com = $this->docObj->createComment('');
                $this->scene->appendChild($com);
            }
            foreach ($assets as $asset) {
                $this->appendAsset($asset);
            }
            $this->scene->appendChild($this->assets);
        }
    }

    /**
     * Append asset
     *
     * Create asset DOMElement
     *
     * @param AssetsInterface $asset            
     */
    public function appendAsset(AssetsInterface $asset)
    {
        $this->appendFormatComment('assets', "\n\t");
        $this->assets->appendChild($asset->DOMElement($this->docObj));
    }

    /**
     * Create entity DOMElement
     *
     * Created entity and append it to scene
     *
     * @param Entity $entity            
     * @return void
     */
    public function appendEntity(Entity $entity)
    {
        $this->appendFormatComment('scene', "\n");
        $this->scene->appendChild($entity->DOMElement($this->docObj));
    }

    /**
     * Get HTML of Scene only
     *
     * @return string
     */
    public function renderSceneOnly()
    {
        $html = new DOMDocument();
        $html->formatOutput = $this->formatOutput;
        $html_scene = $html->importNode($this->scene, true);
        $html->appendChild($html_scene);
        return $this->formatOutput ? $this->correctOutputFormat($html->saveHTML()) : $html->saveHTML();
    }

    /**
     * Add document comment for formatting
     *
     * @param string $element            
     * @param string $comment            
     */
    protected function appendFormatComment(string $element, string $comment)
    {
        if ($this->formatOutput) {
            $com = $this->docObj->createComment($comment);
            $this->{$element}->appendChild($com);
        }
    }

    /**
     * Correct html format for tags which are not supported by DOMDocument
     *
     * @param string $html            
     * @return string
     */
    protected function correctOutputFormat($html)
    {
        $tags = array(
            '<!--',
            '-->',
            '<a-assets>',
            '</a-assets>',
            '</a-scene>'
        );
        $values = array(
            '',
            "\t",
            "\n\t<a-assets>",
            "\n\t</a-assets>",
            "\n</a-scene>"
        );
        return str_ireplace($tags, $values, $html);
    }

    /**
     * Prepeare head
     *
     * @return void
     */
    protected function renderHead()
    {
        $title = $this->docObj->createElement('title', $this->scene_title);
        $this->head->appendChild($title);
        $this->appendDefaultMetaTags();
        $this->appendCDN();
    }

    /**
     * Append deffault metatags
     *
     * @return void
     */
    protected function appendDefaultMetaTags()
    {
        $this->appendMetaTag(array(
            'name' => 'description',
            'content' => $this->scene_description
        ));
        foreach ($this->getDefaultMetaTags() as $tag)
            $this->appendMetaTag($tag);
    }

    /**
     * Get default meta tags
     *
     * @return array
     */
    protected function getDefaultMetaTags(): array
    {
        return self::DEFAULT_METATAGS;
    }

    /**
     * If requested by user use aframe CDN
     *
     * @return void
     */
    protected function appendCDN()
    {
        if ($this->use_cdn) {
            $cdn_script = $this->docObj->createElement('script');
            $cdn_script->setAttribute('src', $this->aframe_cdn);
            $this->head->appendChild($cdn_script);
        }
    }

    /**
     * Prepare body
     *
     * @return void
     */
    protected function renderBody()
    {
        $this->body->appendChild($this->scene);
    }

    /**
     * Create meta tags
     *
     * @param array $attr            
     */
    protected function appendMetaTag(array $attr)
    {
        $metatag = $this->docObj->createElement('meta');
        foreach ($attr as $key => $val)
            $metatag->setAttribute($key, $val);
        $this->head->appendChild($metatag);
    }

    /**
     * Creates an empty DOMDocumentType object
     *
     * @param string $doctype            
     * @return void
     */
    protected function createDocType(string $doctype)
    {
        $this->doctypeObj = $this->createDocumentType($doctype);
    }

    /**
     * Creates a DOMDocument object of the specified type with its document element
     *
     * @return void
     */
    protected function createAframeDocument()
    {
        $this->docObj = $this->createDocument(null, 'html', $this->doctypeObj);
    }
}


1		<?php
2		/** @formatter:off
3		* ******************************************************************
4		* Created by Marko Kungla on Jun 27, 2016 - 9:55:09 PM
5		* Contact [email protected]
6		* @copyright 2016 Marko Kungla - https://github.com/mkungla
7		* @license The MIT License (MIT)
8		*
9		* @category AframeVR
10		* @package aframe-php
11		*
12		* Lang PHP (php version >= 7)
13		* Encoding UTF-8
14		* File AframeDOMDocument.php
15		* Code format PSR-2 and 12
16		* @link https://github.com/mkungla/aframe-php
17		^ @issues https://github.com/mkungla/aframe-php/issues
18		* ********************************************************************
19		* Contributors:
20		* @author Marko Kungla <[email protected]>
21		* ********************************************************************
22		* Comments:
23		* @formatter:on */
24		namespace AframeVR\Core\DOM;
25
26		use \AframeVR\Core\Config;
27		use \DOMImplementation;
28		use \DOMDocumentType;
29		use \DOMDocument;
30		use \AframeVR\Core\Entity;
31		use \AframeVR\Interfaces\AssetsInterface;
32
33		final class AframeDOMDocument extends DOMImplementation
34		{
35
36		const DEFAULT_METATAGS = array(
37		array(
38		'charset' => 'utf-8'
39		),
40		array(
41		'name' => 'viewport',
42		'content' => 'width=device-width,initial-scale=1,maximum-scale=1,shrink-to-fit=no,user-scalable=no,minimal-ui'
43		),
44		array(
45		'name' => 'mobile-web-app-capable',
46		'content' => 'yes'
47		),
48		array(
49		'name' => 'theme-color',
50		'content' => 'black'
51		)
52		);
53
54		/**
55		* A-Frame DOM Document type
56		*
57		* @var \DOMDocumentType
58		*/
59		protected $doctypeObj;
60
61		/**
62		* A-Frame DOM Document
63		*
64		* @var \DOMDocument
65		*/
66		protected $docObj;
67
68		/**
69		* Scene meta tile
70		*
71		* @var string $scene_title
72		*/
73		protected $scene_title = 'Untitled';
74
75		/**
76		* Scene meta description
77		*
78		* @var string $scene_description
79		*/
80		protected $scene_description = '';
81
82		/**
83		* CDN Of aframe.js
84		*
85		* @var string
86		*/
87		protected $aframe_cdn;
88
89		/**
90		* Whether to use CDN
91		*
92		* @var bool $use_cdn
93		*/
94		protected $use_cdn = false;
95
96		/**
97		* <head>
98		*
99		* @var \DOMElement
100		*/
101		protected $head;
102
103		/**
104		* <body>
105		*
106		* @var \DOMElement
107		*/
108		protected $body;
109
110		/**
111		* <a-scene>
112		*
113		* @var \DOMElement
114		*/
115		protected $scene;
116
117		/**
118		* <a-assets>
119		*
120		* @var \DOMElement
121		*/
122		protected $assets;
123
124		/**
125		* Nicely formats output with indentation and extra space.
126		*
127		* @var bool
128		*/
129		protected $formatOutput = false;
130
131		/**
132		* A-Frame DOM
133		*
134		* @param Config $config
135		*/
136	70	public function __construct(Config $config)
137		{
138		/* Config */
139	70	$this->formatOutput = is_bool($config->get('formatOutput')) ? $config->get('formatOutput') : false;
140	70	$this->use_cdn = is_bool($config->get('useCDN')) ? $config->get('useCDN') : false;
141
142		/* Create HTML5 Document type */
143	70	$this->createDocType('html');
144		/* Create A-Frame DOM Document */
145	70	$this->createAframeDocument();
146		/* Create <head> element */
147	70	$this->head = $this->docObj->createElement('head');
148		/* Create <body> element */
149	70	$this->body = $this->docObj->createElement('body', $this->formatOutput ? "\n" : '');
150		/* Create <a-scene> element */
151	70	$this->scene = $this->docObj->createElement('a-scene');
152		/* Create <a-assets> element */
153	70	$this->assets = $this->docObj->createElement('a-assets');
154		/* Set CDN of aframe.js */
155	70	$this->setCDN(is_string($config->get('CDN')) ? $config->get('CDN') : '');
156	70	}
157
158		/**
159		* Set CDN for aframe.js or min.js
160		*
161		* @param string $cdn
162		* @return void
163		*/
164	70	public function setCDN(string $cdn)
165		{
166	70	$this->aframe_cdn = $cdn;
167	70	}
168
169		/**
170		* Render scene this DOM Object is attached to
171		*
172		* @return string
173		*/
174	5	public function render(): string
175		{
176	5	$this->docObj->formatOutput = $this->formatOutput;
177	5	$html = $this->docObj->getElementsByTagName('html')->item(0);
178		/* Make sure we do not add duplicates when render is called multiple times */
179	5	if (! $html->hasChildNodes()) {
180	5	$this->renderHead();
181	5	$html->appendChild($this->head);
182
183	5	$this->renderBody();
184	5	$html->appendChild($this->body);
185		}
186	5	return $this->formatOutput ? $this->correctOutputFormat($this->docObj->saveHTML()) : $this->docObj->saveHTML();
187		}
188
189		/**
190		* Set Scene meta title
191		*
192		* @param string $title
193		*/
194	7	public function setTitle(string $title)
195		{
196	7	$this->scene_title = $title;
197	7	}
198
199		/**
200		* Set Scene meta description
201		*
202		* @param string $description
203		*/
204	7	public function setDescription(string $description)
205		{
206	7	$this->scene_description = $description;
207	7	}
208
209		/**
210		* Append entities
211		*
212		* @param array $entities
213		* @return void
214		*/
215	7	public function appendEntities(array $entities)
216		{
217	7	if (! empty($entities)) {
218	2	foreach ($entities as $entity) {
219	2	$this->appendEntity($entity);
220		}
221		}
222	7	}
223
224		/**
225		* Append assets
226		*
227		* @param array $assets
228		* @return void
229		*/
230	2	public function appendAssets(array $assets)
231		{
232	2	if (! empty($assets)) {
233	2	if ($this->formatOutput) {
234	2	$com = $this->docObj->createComment('');
235	2	$this->scene->appendChild($com);
236		}
237	2	foreach ($assets as $asset) {
238	2	$this->appendAsset($asset);
239		}
240	2	$this->scene->appendChild($this->assets);
241		}
242	2	}
243
244		/**
245		* Append asset
246		*
247		* Create asset DOMElement
248		*
249		* @param AssetsInterface $asset
250		*/
251	2	public function appendAsset(AssetsInterface $asset)
252		{
253	2	$this->appendFormatComment('assets', "\n\t");
254	2	$this->assets->appendChild($asset->DOMElement($this->docObj));
255	2	}
256
257		/**
258		* Create entity DOMElement
259		*
260		* Created entity and append it to scene
261		*
262		* @param Entity $entity
263		* @return void
264		*/
265	2	public function appendEntity(Entity $entity)
266		{
267	2	$this->appendFormatComment('scene', "\n");
268	2	$this->scene->appendChild($entity->DOMElement($this->docObj));
269	2	}
270
271		/**
272		* Get HTML of Scene only
273		*
274		* @return string
275		*/
276	3	public function renderSceneOnly()
277		{
278	3	$html = new DOMDocument();
279	3	$html->formatOutput = $this->formatOutput;
280	3	$html_scene = $html->importNode($this->scene, true);
281	3	$html->appendChild($html_scene);
282	3	return $this->formatOutput ? $this->correctOutputFormat($html->saveHTML()) : $html->saveHTML();
283		}
284
285		/**
286		* Add document comment for formatting
287		*
288		* @param string $element
289		* @param string $comment
290		*/
291	4	protected function appendFormatComment(string $element, string $comment)
292		{
293	4	if ($this->formatOutput) {
294	4	$com = $this->docObj->createComment($comment);
295	4	$this->{$element}->appendChild($com);
296		}
297	4	}
298
299		/**
300		* Correct html format for tags which are not supported by DOMDocument
301		*
302		* @param string $html
303		* @return string
304		*/
305	4	protected function correctOutputFormat($html)
306		{
307		$tags = array(
308	4	'<!--',
309		'-->',
310		'<a-assets>',
311		'</a-assets>',
312		'</a-scene>'
313		);
314		$values = array(
315	4	'',
316		"\t",
317		"\n\t<a-assets>",
318		"\n\t</a-assets>",
319		"\n</a-scene>"
320		);
321	4	return str_ireplace($tags, $values, $html);
322		}
323
324		/**
325		* Prepeare head
326		*
327		* @return void
328		*/
329	5	protected function renderHead()
330		{
331	5	$title = $this->docObj->createElement('title', $this->scene_title);
332	5	$this->head->appendChild($title);
333	5	$this->appendDefaultMetaTags();
334	5	$this->appendCDN();
335	5	}
336
337		/**
338		* Append deffault metatags
339		*
340		* @return void
341		*/
342	5	protected function appendDefaultMetaTags()
343		{
344	5	$this->appendMetaTag(array(
345	5	'name' => 'description',
346	5	'content' => $this->scene_description
347		));
348	5	foreach ($this->getDefaultMetaTags() as $tag)
349	5	$this->appendMetaTag($tag);
350	5	}
351
352		/**
353		* Get default meta tags
354		*
355		* @return array
356		*/
357	5	protected function getDefaultMetaTags(): array
358		{
359	5	return self::DEFAULT_METATAGS;
360		}
361
362		/**
363		* If requested by user use aframe CDN
364		*
365		* @return void
366		*/
367	5	protected function appendCDN()
368		{
369	5	if ($this->use_cdn) {
370	3	$cdn_script = $this->docObj->createElement('script');
371	3	$cdn_script->setAttribute('src', $this->aframe_cdn);
372	3	$this->head->appendChild($cdn_script);
373		}
374	5	}
375
376		/**
377		* Prepare body
378		*
379		* @return void
380		*/
381	5	protected function renderBody()
382		{
383	5	$this->body->appendChild($this->scene);
384	5	}
385
386		/**
387		* Create meta tags
388		*
389		* @param array $attr
390		*/
391	5	protected function appendMetaTag(array $attr)
392		{
393	5	$metatag = $this->docObj->createElement('meta');
394	5	foreach ($attr as $key => $val)
395	5	$metatag->setAttribute($key, $val);
396	5	$this->head->appendChild($metatag);
397	5	}
398
399		/**
400		* Creates an empty DOMDocumentType object
401		*
402		* @param string $doctype
403		* @return void
404		*/
405	70	protected function createDocType(string $doctype)
406		{
407	70	$this->doctypeObj = $this->createDocumentType($doctype);
408	70	}
409
410		/**
411		* Creates a DOMDocument object of the specified type with its document element
412		*
413		* @return void
414		*/
415	70	protected function createAframeDocument()
416		{
417	70	$this->docObj = $this->createDocument(null, 'html', $this->doctypeObj);
418	70	}
419		}
420

mkungla / aframe-php

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