CommonMarkPayloadProcessor::resetRefersToRelations() - Code Metrics - apparat/object - Measure and Improve Code Quality continuously with Scrutinizer

resetRefersToRelations() A
last analyzed 2017-01-08 19:43 UTC

↳ Parent: CommonMarkPayloadProcessor

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	4
nc	2
nop	0
dl	0
loc	9
rs	9.6666
c	0
b	0
f	0
ccs	5
cts	5
cp	1
crap	2

<?php

/**
 * apparat-object
 *
 * @category    Apparat
 * @package     Apparat\Object
 * @subpackage  Apparat\Object\Infrastructure
 * @author      Joschi Kuphal <[email protected]> / @jkphl
 * @copyright   Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
 * @license     http://opensource.org/licenses/MIT The MIT License (MIT)
 */

/***********************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
 *  this software and associated documentation files (the "Software"), to deal in
 *  the Software without restriction, including without limitation the rights to
 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 *  the Software, and to permit persons to whom the Software is furnished to do so,
 *  subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ***********************************************************************************/

namespace Apparat\Object\Infrastructure\Utilities;

use Apparat\Kernel\Ports\Kernel;
use Apparat\Object\Application\Contract\CommonMarkPayloadProcessorInterface;
use Apparat\Object\Application\Model\Object\AbstractCommonMarkObject;
use Apparat\Object\Ports\Types\Relation;
use League\CommonMark\Block\Element\Document;
use League\CommonMark\DocParser;
use League\CommonMark\DocumentProcessorInterface;
use League\CommonMark\Environment;
use League\CommonMark\Inline\Element\Image;
use League\CommonMark\Inline\Element\Link;

/**
 * CommonMark payload processor
 *
 * @package Apparat\Object
 * @subpackage Apparat\Object\Infrastructure
 */
class CommonMarkPayloadProcessor extends AbstractPayloadProcessor implements
    CommonMarkPayloadProcessorInterface,
    DocumentProcessorInterface
{
    /**
     * Mailto URL scheme
     *
     * @var string
     */
    const SCHEME_MAILTO = 'mailto';
    /**
     * List of refers-to relation URLs
     *
     * @var array
     */
    protected $refersTo;
    /**
     * List of embeds relation URLs
     *
     * @var array
     */
    protected $embeds;
    /**
     * Owning CommonMark object
     *
     * @var AbstractCommonMarkObject
     */
    protected $object;

    /**
     * Process the payload of an object
     *
     * @param string $payload Payload
     * @return string Processed payload
     */
    public function processPayload($payload)
    {
        // Reset all relevant relations
        $this->resetRefersToRelations();
        $this->resetEmbedsRelations();

        $env = Environment::createCommonMarkEnvironment();
        $env->addDocumentProcessor($this);

        // Parse and process the object payload
        /** @var DocParser $docParser */
        $docParser = Kernel::create(DocParser::class, [$env]);
        $docParser->parse($payload);

        return $payload;
    }

    /**
     * Reset the refers-to relations
     */
    protected function resetRefersToRelations()
    {
        $this->refersTo = [];

        // Run through all refers-to relations and delete them
        foreach ($this->object->findRelations([Relation::TYPE => Relation::REFERS_TO]) as $refersToRelation) {
            $this->object->deleteRelation($refersToRelation);
        }
    }

    /**
     * Reset the embeds relations
     */
    protected function resetEmbedsRelations()
    {
        $this->embeds = [];

        // Run through all refers-to relations and delete them
        foreach ($this->object->findRelations([Relation::TYPE => Relation::EMBEDS]) as $embedsRelation) {
            $this->object->deleteRelation($embedsRelation);
        }
    }

    /**
     * Process the CommonMark AST
     *
     * @param Document $document CommonMark AST
     * @return void
     */
    public function processDocument(Document $document)
    {
        $walker = $document->walker();
        while ($event = $walker->next()) {
            $node = $event->getNode();

            // Process link starts as refers-to relations
            if (($node instanceof Link) && $event->isEntering()) {
                $this->addRefersToRelation(
                    $this->stripFragment($node->getUrl()),
                    empty($node->data['title']) ? null : $node->data['title']
                );
            }

            // Process image starts as embeds relations
            if (($node instanceof Image) && $event->isEntering()) {
                $this->addEmbedsRelation(
                    $this->stripFragment($node->getUrl()),
                    empty($node->data['title']) ? null : $node->data['title']
                );
            }
        }
    }

    /**
     * Add a refers-to relation
     *
     * @param string $url Referred URL
     * @param string $label Label
     */
    protected function addRefersToRelation($url, $label = null)
    {
        if (strlen($url) && !array_key_exists($url, $this->refersTo)) {
            $this->refersTo[$url] = true;
            $this->object->addRelation($this->getRelationString($url, $label), Relation::REFERS_TO);
        }
    }

    /**
     * Create a relation string
     *
     * @param string $url URL
     * @param string $label Label
     * @return string relation string
     */
    protected function getRelationString($url, $label)
    {
        $relationString = (strtolower(parse_url($url, PHP_URL_SCHEME)) == self::SCHEME_MAILTO)
            ? '<'.substr($url, strlen(self::SCHEME_MAILTO) + 1).'>'
            : $url;
        if (!empty($label)) {
            $relationString .= ' '.$label;
        }
        return $relationString;
    }

    /**
     * Strip off the fragment of an URL
     *
     * @param string $url URL
     * @return string URL with fragment stripped
     */
    protected function stripFragment($url)
    {
        $fragment = parse_url($url, PHP_URL_FRAGMENT);
        if (!empty($fragment) && (substr($url, -strlen($fragment) - 1) == '#'.$fragment)) {
            $url = substr($url, 0, -strlen($fragment) - 1);
        }
        return $url;
    }

    /**
     * Add an embeds relation
     *
     * @param string $url Embedded URL
     * @param string $label Label
     */
    protected function addEmbedsRelation($url, $label = null)
    {
        if (strlen($url) && !array_key_exists($url, $this->embeds)) {
            $this->embeds[$url] = true;
            $this->object->addRelation($this->getRelationString($url, $label), Relation::EMBEDS);
        }
    }
}


1		<?php
2
3		/**
4		* apparat-object
5		*
6		* @category Apparat
7		* @package Apparat\Object
8		* @subpackage Apparat\Object\Infrastructure
9		* @author Joschi Kuphal <[email protected]> / @jkphl
10		* @copyright Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
11		* @license http://opensource.org/licenses/MIT The MIT License (MIT)
12		*/
13
14		/***********************************************************************************
15		* The MIT License (MIT)
16		*
17		* Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl
18		*
19		* Permission is hereby granted, free of charge, to any person obtaining a copy of
20		* this software and associated documentation files (the "Software"), to deal in
21		* the Software without restriction, including without limitation the rights to
22		* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
23		* the Software, and to permit persons to whom the Software is furnished to do so,
24		* subject to the following conditions:
25		*
26		* The above copyright notice and this permission notice shall be included in all
27		* copies or substantial portions of the Software.
28		*
29		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
30		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
31		* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
32		* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
33		* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
34		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35		***********************************************************************************/
36
37		namespace Apparat\Object\Infrastructure\Utilities;
38
39		use Apparat\Kernel\Ports\Kernel;
40		use Apparat\Object\Application\Contract\CommonMarkPayloadProcessorInterface;
41		use Apparat\Object\Application\Model\Object\AbstractCommonMarkObject;
42		use Apparat\Object\Ports\Types\Relation;
43		use League\CommonMark\Block\Element\Document;
44		use League\CommonMark\DocParser;
45		use League\CommonMark\DocumentProcessorInterface;
46		use League\CommonMark\Environment;
47		use League\CommonMark\Inline\Element\Image;
48		use League\CommonMark\Inline\Element\Link;
49
50		/**
51		* CommonMark payload processor
52		*
53		* @package Apparat\Object
54		* @subpackage Apparat\Object\Infrastructure
55		*/
56		class CommonMarkPayloadProcessor extends AbstractPayloadProcessor implements
57		CommonMarkPayloadProcessorInterface,
58		DocumentProcessorInterface
59		{
60		/**
61		* Mailto URL scheme
62		*
63		* @var string
64		*/
65		const SCHEME_MAILTO = 'mailto';
66		/**
67		* List of refers-to relation URLs
68		*
69		* @var array
70		*/
71		protected $refersTo;
72		/**
73		* List of embeds relation URLs
74		*
75		* @var array
76		*/
77		protected $embeds;
78		/**
79		* Owning CommonMark object
80		*
81		* @var AbstractCommonMarkObject
82		*/
83		protected $object;
84
85		/**
86		* Process the payload of an object
87		*
88		* @param string $payload Payload
89		* @return string Processed payload
90		*/
91	5	public function processPayload($payload)
92		{
93		// Reset all relevant relations
94	5	$this->resetRefersToRelations();
95	5	$this->resetEmbedsRelations();
96
97	5	$env = Environment::createCommonMarkEnvironment();
98	5	$env->addDocumentProcessor($this);
99
100		// Parse and process the object payload
101		/** @var DocParser $docParser */
102	5	$docParser = Kernel::create(DocParser::class, [$env]);
103	5	$docParser->parse($payload);
104
105	5	return $payload;
106		}
107
108		/**
109		* Reset the refers-to relations
110		*/
111	5	protected function resetRefersToRelations()
112		{
113	5	$this->refersTo = [];
114
115		// Run through all refers-to relations and delete them
116	5	foreach ($this->object->findRelations([Relation::TYPE => Relation::REFERS_TO]) as $refersToRelation) {
117	1	$this->object->deleteRelation($refersToRelation);
118		}
119	5	}
120
121		/**
122		* Reset the embeds relations
123		*/
124	5	protected function resetEmbedsRelations()
125		{
126	5	$this->embeds = [];
127
128		// Run through all refers-to relations and delete them
129	5	foreach ($this->object->findRelations([Relation::TYPE => Relation::EMBEDS]) as $embedsRelation) {
130	1	$this->object->deleteRelation($embedsRelation);
131		}
132	5	}
133
134		/**
135		* Process the CommonMark AST
136		*
137		* @param Document $document CommonMark AST
138		* @return void
139		*/
140	5	public function processDocument(Document $document)
141		{
142	5	$walker = $document->walker();
143	5	while ($event = $walker->next()) {
144	5	$node = $event->getNode();
145
146		// Process link starts as refers-to relations
147	5	if (($node instanceof Link) && $event->isEntering()) {
148	1	$this->addRefersToRelation(
149	1	$this->stripFragment($node->getUrl()),
150	1	empty($node->data['title']) ? null : $node->data['title']
151		);
152		}
153
154		// Process image starts as embeds relations
155	5	if (($node instanceof Image) && $event->isEntering()) {
156	1	$this->addEmbedsRelation(
157	1	$this->stripFragment($node->getUrl()),
158	1	empty($node->data['title']) ? null : $node->data['title']
159		);
160		}
161		}
162	5	}
163
164		/**
165		* Add a refers-to relation
166		*
167		* @param string $url Referred URL
168		* @param string $label Label
169		*/
170	1	protected function addRefersToRelation($url, $label = null)
171		{
172	1	if (strlen($url) && !array_key_exists($url, $this->refersTo)) {
173	1	$this->refersTo[$url] = true;
174	1	$this->object->addRelation($this->getRelationString($url, $label), Relation::REFERS_TO);
175		}
176	1	}
177
178		/**
179		* Create a relation string
180		*
181		* @param string $url URL
182		* @param string $label Label
183		* @return string relation string
184		*/
185	1	protected function getRelationString($url, $label)
186		{
187	1	$relationString = (strtolower(parse_url($url, PHP_URL_SCHEME)) == self::SCHEME_MAILTO)
188	1	? '<'.substr($url, strlen(self::SCHEME_MAILTO) + 1).'>'
189	1	: $url;
190	1	if (!empty($label)) {
191	1	$relationString .= ' '.$label;
192		}
193	1	return $relationString;
194		}
195
196		/**
197		* Strip off the fragment of an URL
198		*
199		* @param string $url URL
200		* @return string URL with fragment stripped
201		*/
202	1	protected function stripFragment($url)
203		{
204	1	$fragment = parse_url($url, PHP_URL_FRAGMENT);
205	1	if (!empty($fragment) && (substr($url, -strlen($fragment) - 1) == '#'.$fragment)) {
206	1	$url = substr($url, 0, -strlen($fragment) - 1);
207		}
208	1	return $url;
209		}
210
211		/**
212		* Add an embeds relation
213		*
214		* @param string $url Embedded URL
215		* @param string $label Label
216		*/
217	1	protected function addEmbedsRelation($url, $label = null)
218		{
219	1	if (strlen($url) && !array_key_exists($url, $this->embeds)) {
220	1	$this->embeds[$url] = true;
221	1	$this->object->addRelation($this->getRelationString($url, $label), Relation::EMBEDS);
222		}
223	1	}
224		}
225

apparat / object

resetRefersToRelations() A last analyzed 2017-01-08 19:43 UTC

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resetRefersToRelations() A
last analyzed 2017-01-08 19:43 UTC