DOMIterator::__construct() - Code Metrics - jkphl/rdfa-lite-microdata - Measure and Improve Code Quality continuously with Scrutinizer

DOMIterator::__construct() A
last analyzed 2017-10-15 10:18 UTC

↳ Parent: DOMIterator

Complexity

Conditions	1
Paths	1

Size

Total Lines	10
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	10
ccs	5
cts	5
cp	1
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	7
nc	1
nop	3
crap	1

<?php

/**
 * rdfa-lite-microdata
 *
 * @category Jkphl
 * @package Jkphl\RdfaLiteMicrodata
 * @subpackage Jkphl\RdfaLiteMicrodata\Application
 * @author Joschi Kuphal <[email protected]> / @jkphl
 * @copyright Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl
 * @license http://opensource.org/licenses/MIT The MIT License (MIT)
 */

/***********************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright © 2017 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 Jkphl\RdfaLiteMicrodata\Application\Parser;

use Jkphl\RdfaLiteMicrodata\Application\Context\ContextInterface;
use Jkphl\RdfaLiteMicrodata\Application\Contract\ElementProcessorInterface;
use Jkphl\RdfaLiteMicrodata\Application\Exceptions\RuntimeException;

/**
 * Recursive DOM node iterator
 *
 * @package Jkphl\RdfaLiteMicrodata
 * @subpackage Jkphl\RdfaLiteMicrodata\Application
 */
class DOMIterator extends \ArrayIterator implements \RecursiveIterator
{
    /**
     * Registered contexts
     *
     * @var ContextInterface[]
     */
    public $contexts = [];
    /**
     * Element processor
     *
     * @var ElementProcessorInterface
     */
    protected $elementProcessor;
    /**
     * Initial parser context
     *
     * @var ContextInterface
     */
    protected $initialContext;
    /**
     * Element context map
     *
     * @var array
     */
    protected $contextMap = [];

    /**
     * Recursive DOM node iterator constructor
     *
     * @param \DOMNodeList|array $nodeList Node list
     * @param ContextInterface $initialContext Initial parser context
     * @param ElementProcessorInterface $elementProcessor Element processor
     */
    public function __construct(
        $nodeList,
        ContextInterface $initialContext,
        ElementProcessorInterface $elementProcessor
    ) {
        $this->elementProcessor = $elementProcessor;
        $this->initialContext = $initialContext;

        parent::__construct($this->registerNodes($nodeList));
    }

    /**
     * Recursive DOM node iterator constructor
     *
     * @param \DOMNodeList|array $nodeList Node list
     * @throws RuntimeException If the node list is invalid
     * @return array Nodes
     */
    protected function registerNodes($nodeList)
    {
        // If the node list is invalid
        if (!is_array($nodeList) && !($nodeList instanceof \DOMNodeList)) {
            throw new RuntimeException(RuntimeException::INVALID_NODE_LIST_STR, RuntimeException::INVALID_NODE_LIST);
        }

        $nodes = [];

        // Run through and register all nodes
        /** @var \DOMNode $node */
        foreach ($nodeList as $node) {
            $nodes[$node->getNodePath()] = $this->registerNode($node);
        }

        return $nodes;
    }

    /**
     * Register an element node
     *
     * @param \DOMNode $node Node
     * @return \DOMNode Node
     */
    protected function registerNode(\DOMNode $node)
    {
        if ($node->nodeType == XML_ELEMENT_NODE) {
            /** @var \DOMElement $node */
            $localContext = $this->elementProcessor->processElement($node, $this->initialContext);

            // Register the node context
            $localContextId = spl_object_hash($localContext);
            if (empty($this->contexts[$localContextId])) {
                $this->contexts[$localContextId] = $localContext;
            }

            $this->contextMap[$node->getNodePath()] = $localContextId;
        }

        return $node;
    }

    /**
     * Return the recursive iterator
     *
     * @return \RecursiveIteratorIterator Recursive iterator
     */
    public function getRecursiveIterator()
    {
        return new \RecursiveIteratorIterator($this, \RecursiveIteratorIterator::SELF_FIRST);
    }

    /**
     * Return whether the current node has child nodes
     *
     * This method gets called once per element and prior to the call to current(),
     * so this seems like the perfect place for the first processing steps (even
     * for elements without children).
     *
     * @return boolean Current node has child nodes
     */
    public function hasChildren()
    {
        return $this->current()->hasChildNodes();
    }

    /**
     * Return a child node iterator
     *
     * @return DOMIterator Child node iterator
     */
    public function getChildren()
    {
        $element = $this->current();
        $childContext = $this->elementProcessor->processElementChildren(
            $element,
            $this->contexts[$this->contextMap[$this->key()]]
        );
        return new static($element->childNodes, $childContext, $this->elementProcessor);
    }

    /**
     * Rewind array back to the start
     *
     * @return void
     */
    public function rewind()
    {
        parent::rewind();
    }
}


1		<?php
2
3		/**
4		* rdfa-lite-microdata
5		*
6		* @category Jkphl
7		* @package Jkphl\RdfaLiteMicrodata
8		* @subpackage Jkphl\RdfaLiteMicrodata\Application
9		* @author Joschi Kuphal <[email protected]> / @jkphl
10		* @copyright Copyright © 2017 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 © 2017 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 Jkphl\RdfaLiteMicrodata\Application\Parser;
38
39		use Jkphl\RdfaLiteMicrodata\Application\Context\ContextInterface;
40		use Jkphl\RdfaLiteMicrodata\Application\Contract\ElementProcessorInterface;
41		use Jkphl\RdfaLiteMicrodata\Application\Exceptions\RuntimeException;
42
43		/**
44		* Recursive DOM node iterator
45		*
46		* @package Jkphl\RdfaLiteMicrodata
47		* @subpackage Jkphl\RdfaLiteMicrodata\Application
48		*/
49		class DOMIterator extends \ArrayIterator implements \RecursiveIterator
50		{
51		/**
52		* Registered contexts
53		*
54		* @var ContextInterface[]
55		*/
56		public $contexts = [];
57		/**
58		* Element processor
59		*
60		* @var ElementProcessorInterface
61		*/
62		protected $elementProcessor;
63		/**
64		* Initial parser context
65		*
66		* @var ContextInterface
67		*/
68		protected $initialContext;
69		/**
70		* Element context map
71		*
72		* @var array
73		*/
74		protected $contextMap = [];
75
76		/**
77		* Recursive DOM node iterator constructor
78		*
79		* @param \DOMNodeList\|array $nodeList Node list
80		* @param ContextInterface $initialContext Initial parser context
81		* @param ElementProcessorInterface $elementProcessor Element processor
82		*/
83	19	public function __construct(
84		$nodeList,
85		ContextInterface $initialContext,
86		ElementProcessorInterface $elementProcessor
87		) {
88	19	$this->elementProcessor = $elementProcessor;
89	19	$this->initialContext = $initialContext;
90
91	19	parent::__construct($this->registerNodes($nodeList));
92	18	}
93
94		/**
95		* Recursive DOM node iterator constructor
96		*
97		* @param \DOMNodeList\|array $nodeList Node list
98		* @throws RuntimeException If the node list is invalid
99		* @return array Nodes
100		*/
101	19	protected function registerNodes($nodeList)
102		{
103		// If the node list is invalid
104	19	if (!is_array($nodeList) && !($nodeList instanceof \DOMNodeList)) {
105	1	throw new RuntimeException(RuntimeException::INVALID_NODE_LIST_STR, RuntimeException::INVALID_NODE_LIST);
106		}
107
108	18	$nodes = [];
109
110		// Run through and register all nodes
111		/** @var \DOMNode $node */
112	18	foreach ($nodeList as $node) {
113	18	$nodes[$node->getNodePath()] = $this->registerNode($node);
114	18	}
115
116	18	return $nodes;
117		}
118
119		/**
120		* Register an element node
121		*
122		* @param \DOMNode $node Node
123		* @return \DOMNode Node
124		*/
125	18	protected function registerNode(\DOMNode $node)
126		{
127	18	if ($node->nodeType == XML_ELEMENT_NODE) {
128		/** @var \DOMElement $node */
129	18	$localContext = $this->elementProcessor->processElement($node, $this->initialContext);
130
131		// Register the node context
132	18	$localContextId = spl_object_hash($localContext);
133	18	if (empty($this->contexts[$localContextId])) {
134	18	$this->contexts[$localContextId] = $localContext;
135	18	}
136
137	18	$this->contextMap[$node->getNodePath()] = $localContextId;
138	18	}
139
140	18	return $node;
141		}
142
143		/**
144		* Return the recursive iterator
145		*
146		* @return \RecursiveIteratorIterator Recursive iterator
147		*/
148	18	public function getRecursiveIterator()
149		{
150	18	return new \RecursiveIteratorIterator($this, \RecursiveIteratorIterator::SELF_FIRST);
151		}
152
153		/**
154		* Return whether the current node has child nodes
155		*
156		* This method gets called once per element and prior to the call to current(),
157		* so this seems like the perfect place for the first processing steps (even
158		* for elements without children).
159		*
160		* @return boolean Current node has child nodes
161		*/
162	18	public function hasChildren()
163		{
164	18	return $this->current()->hasChildNodes();
165		}
166
167		/**
168		* Return a child node iterator
169		*
170		* @return DOMIterator Child node iterator
171		*/
172	18	public function getChildren()
173		{
174	18	$element = $this->current();
175	18	$childContext = $this->elementProcessor->processElementChildren(
176	18	$element,
177	18	$this->contexts[$this->contextMap[$this->key()]]
178	18	);
179	18	return new static($element->childNodes, $childContext, $this->elementProcessor);
180		}
181
182		/**
183		* Rewind array back to the start
184		*
185		* @return void
186		*/
187	18	public function rewind()
188		{
189	18	parent::rewind();
190	18	}
191		}
192

jkphl / rdfa-lite-microdata

DOMIterator::__construct() A last analyzed 2017-10-15 10:18 UTC

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DOMIterator::__construct() A
last analyzed 2017-10-15 10:18 UTC