Element::getSelector() - Code Metrics - Inspection of "Extending the methods of an Element: getNode, getS..." - thephpleague/html-to-markdown - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#262)

unknown

created 2025-06-05 14:31 UTC

Element::getSelector() A

↳ Parent: Element

Complexity

Conditions	5
Paths	4

Size

Total Lines	16
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	5

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	5
eloc	12
nc	4
nop	0
dl	0
loc	16
ccs	9
cts	9
cp	1
crap	5
rs	9.5555
c	1
b	0
f	0

<?php

declare(strict_types=1);

namespace League\HTMLToMarkdown;

class Element implements ElementInterface
{
    /** @var \DOMNode */
    protected $node;

    /** @var ElementInterface|null */
    private $nextCached;

    /** @var \DOMNode|null */
    private $previousSiblingCached;

    public function __construct(\DOMNode $node)
    {
        $this->node = $node;

        $this->previousSiblingCached = $this->node->previousSibling;
    }

    public function isBlock(): bool
    {
        switch ($this->getTagName()) {
            case 'blockquote':
            case 'body':
            case 'div':
            case 'h1':
            case 'h2':
            case 'h3':
            case 'h4':
            case 'h5':
            case 'h6':
            case 'hr':
            case 'html':
            case 'li':
            case 'p':
            case 'ol':
            case 'ul':
                return true;
            default:
                return false;
        }
    }

    public function isText(): bool
    {
        return $this->getTagName() === '#text';
    }

    public function isWhitespace(): bool
    {
        return $this->getTagName() === '#text' && \trim($this->getValue()) === '';
    }

    public function getNode(): ?\DOMNode
    {
        return $this->node;
    }
    
    public function getTagName(): string
    {
        return $this->node->nodeName;
    }

    public function getValue(): string
    {
        return $this->node->nodeValue ?? '';
    }

    public function hasParent(): bool
    {
        return $this->node->parentNode !== null;
    }

    public function getParent(): ?ElementInterface
    {
        return $this->node->parentNode ? new self($this->node->parentNode) : null;
    }

    public function getNextSibling(): ?ElementInterface
    {
        return $this->node->nextSibling !== null ? new self($this->node->nextSibling) : null;
    }

    public function getPreviousSibling(): ?ElementInterface
    {
        return $this->previousSiblingCached !== null ? new self($this->previousSiblingCached) : null;
    }

    public function hasChildren(): bool
    {
        return $this->node->hasChildNodes();
    }

    /**
     * @return ElementInterface[]
     */
    public function getChildren(): array
    {
        $ret = [];
        foreach ($this->node->childNodes as $node) {
            /** @psalm-suppress RedundantCondition */
            \assert($node instanceof \DOMNode);
            $ret[] = new self($node);
        }

        return $ret;
    }

    public function getNext(): ?ElementInterface
    {
        if ($this->nextCached === null) {
            $nextNode = $this->getNextNode($this->node);
            if ($nextNode !== null) {
                $this->nextCached = new self($nextNode);
            }
        }

        return $this->nextCached;
    }

    private function getNextNode(\DOMNode $node, bool $checkChildren = true): ?\DOMNode
    {
        if ($checkChildren && $node->firstChild) {
            return $node->firstChild;
        }

        if ($node->nextSibling) {
            return $node->nextSibling;
        }

        if ($node->parentNode) {
            return $this->getNextNode($node->parentNode, false);
        }

        return null;
    }

    /**
     * @param string[]|string $tagNames
     */
    public function isDescendantOf($tagNames): bool
    {
        if (! \is_array($tagNames)) {
            $tagNames = [$tagNames];
        }

        for ($p = $this->node->parentNode; $p !== null; $p = $p->parentNode) {
            if (\in_array($p->nodeName, $tagNames, true)) {
                return true;
            }
        }

        return false;
    }

    public function setFinalMarkdown(string $markdown): void
    {
        if ($this->node->ownerDocument === null) {
            throw new \RuntimeException('Unowned node');
        }

        if ($this->node->parentNode === null) {
            throw new \RuntimeException('Cannot setFinalMarkdown() on a node without a parent');
        }

        $markdownNode = $this->node->ownerDocument->createTextNode($markdown);
        $this->node->parentNode->replaceChild($markdownNode, $this->node);
    }

    public function getChildrenAsString(): string
    {
        return $this->node->C14N();
    }

    public function getSiblingPosition(): int
    {
        $position = 0;

        $parent = $this->getParent();
        if ($parent === null) {
            return $position;
        }

        // Loop through all nodes and find the given $node
        foreach ($parent->getChildren() as $currentNode) {
            if (! $currentNode->isWhitespace()) {
                $position++;
            }

            // TODO: Need a less-buggy way of comparing these
            // Perhaps we can somehow ensure that we always have the exact same object and use === instead?
            if ($this->equals($currentNode)) {
                break;
            }
        }

        return $position;
    }

    public function getListItemLevel(): int
    {
        $level  = 0;
        $parent = $this->getParent();

        while ($parent !== null && $parent->hasParent()) {
            if ($parent->getTagName() === 'li') {
                $level++;
            }

            $parent = $parent->getParent();
        }

        return $level;
    }

    public function getAttribute(string $name): string
    {
        if ($this->node instanceof \DOMElement) {
            return $this->node->getAttribute($name);
        }

        return '';
    }
    
    public function getSelector(): string {
        $element = $this;
        if (!empty($element->getAttribute('id'))) {
            return '#' . $element->getAttribute('id');
        }
        $path = [];
        while ($element && $element->getTagName() !== 'body') {
            $part = $element->getTagName();
            $index = $element->getSiblingPosition();
            if ($index > 0) {
                $part .= ':nth-child(' . $index . ')';
            }
            array_unshift($path, $part);
            $element = $element->getParent();
        }
        return implode(' > ', $path);
    }

    public function equals(ElementInterface $element): bool
    {
        if ($element instanceof self) {
            return $element->node === $this->node;
        }

        return false;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace League\HTMLToMarkdown;
6
7		class Element implements ElementInterface
8		{
9		/** @var \DOMNode */
10		protected $node;
11
12		/** @var ElementInterface\|null */
13		private $nextCached;
14
15		/** @var \DOMNode\|null */
16		private $previousSiblingCached;
17
18		public function __construct(\DOMNode $node)
19		{
20		$this->node = $node;
21
22	96	$this->previousSiblingCached = $this->node->previousSibling;
23		}
24	96
25	96	public function isBlock(): bool
26	96	{
27		switch ($this->getTagName()) {
28		case 'blockquote':
29		case 'body':
30		case 'div':
31	18	case 'h1':
32		case 'h2':
33	18	case 'h3':
34	18	case 'h4':
35	18	case 'h5':
36	18	case 'h6':
37	18	case 'hr':
38	18	case 'html':
39	18	case 'li':
40	18	case 'p':
41	18	case 'ol':
42	18	case 'ul':
43	18	return true;
44	18	default:
45	18	return false;
46	17	}
47	17	}
48	17
49	3	public function isText(): bool
50	10	{
51	15	return $this->getTagName() === '#text';
52	10	}
53
54		public function isWhitespace(): bool
55		{
56		return $this->getTagName() === '#text' && \trim($this->getValue()) === '';
57		}
58	18
59		public function getNode(): ?\DOMNode
60	18	{
61		return $this->node;
62		}
63
64		public function getTagName(): string
65		{
66	9	return $this->node->nodeName;
67		}
68	9
69		public function getValue(): string
70		{
71		return $this->node->nodeValue ?? '';
72		}
73
74	96	public function hasParent(): bool
75		{
76	96	return $this->node->parentNode !== null;
77		}
78
79		public function getParent(): ?ElementInterface
80		{
81		return $this->node->parentNode ? new self($this->node->parentNode) : null;
82	84	}
83
84	84	public function getNextSibling(): ?ElementInterface
85		{
86		return $this->node->nextSibling !== null ? new self($this->node->nextSibling) : null;
87		}
88
89		public function getPreviousSibling(): ?ElementInterface
90	81	{
91		return $this->previousSiblingCached !== null ? new self($this->previousSiblingCached) : null;
92	81	}
93
94		public function hasChildren(): bool
95		{
96		return $this->node->hasChildNodes();
97		}
98	18
99		/**
100	18	* @return ElementInterface[]
101		*/
102		public function getChildren(): array
103		{
104		$ret = [];
105		foreach ($this->node->childNodes as $node) {
106	18	/** @psalm-suppress RedundantCondition */
107		\assert($node instanceof \DOMNode);
108	18	$ret[] = new self($node);
109		}
110
111		return $ret;
112		}
113
114	96	public function getNext(): ?ElementInterface
115		{
116	96	if ($this->nextCached === null) {
117		$nextNode = $this->getNextNode($this->node);
118		if ($nextNode !== null) {
119		$this->nextCached = new self($nextNode);
120		}
121		}
122	96
123		return $this->nextCached;
124	96	}
125
126	96	private function getNextNode(\DOMNode $node, bool $checkChildren = true): ?\DOMNode
127	96	{
128	64	if ($checkChildren && $node->firstChild) {
129		return $node->firstChild;
130	96	}
131
132		if ($node->nextSibling) {
133		return $node->nextSibling;
134		}
135
136	24	if ($node->parentNode) {
137		return $this->getNextNode($node->parentNode, false);
138	24	}
139	24
140	24	return null;
141	24	}
142	16
143	16	/**
144		* @param string[]\|string $tagNames
145	24	*/
146		public function isDescendantOf($tagNames): bool
147		{
148		if (! \is_array($tagNames)) {
149		$tagNames = [$tagNames];
150		}
151
152		for ($p = $this->node->parentNode; $p !== null; $p = $p->parentNode) {
153		if (\in_array($p->nodeName, $tagNames, true)) {
154	24	return true;
155		}
156	24	}
157
158		return false;
159		}
160	24
161	24	public function setFinalMarkdown(string $markdown): void
162		{
163		if ($this->node->ownerDocument === null) {
164	6	throw new \RuntimeException('Unowned node');
165	6	}
166
167		if ($this->node->parentNode === null) {
168		throw new \RuntimeException('Cannot setFinalMarkdown() on a node without a parent');
169		}
170
171		$markdownNode = $this->node->ownerDocument->createTextNode($markdown);
172		$this->node->parentNode->replaceChild($markdownNode, $this->node);
173		}
174	96
175		public function getChildrenAsString(): string
176	96	{
177	6	return $this->node->C14N();
178	4	}
179
180	96	public function getSiblingPosition(): int
181	96	{
182	96	$position = 0;
183
184		$parent = $this->getParent();
185	96	if ($parent === null) {
186	24	return $position;
187		}
188	64
189		// Loop through all nodes and find the given $node
190		foreach ($parent->getChildren() as $currentNode) {
191		if (! $currentNode->isWhitespace()) {
192		$position++;
193		}
194
195		// TODO: Need a less-buggy way of comparing these
196	96	// Perhaps we can somehow ensure that we always have the exact same object and use === instead?
197		if ($this->equals($currentNode)) {
198	96	break;
199	96	}
200	96	}
201
202		return $position;
203		}
204
205	87	public function getListItemLevel(): int
206		{
207	87	$level = 0;
208		$parent = $this->getParent();
209
210		while ($parent !== null && $parent->hasParent()) {
211		if ($parent->getTagName() === 'li') {
212		$level++;
213	9	}
214
215	9	$parent = $parent->getParent();
216		}
217
218	9	return $level;
219	9	}
220	9
221	6	public function getAttribute(string $name): string
222		{
223		if ($this->node instanceof \DOMElement) {
224		return $this->node->getAttribute($name);
225	9	}
226	9
227		return '';
228	6	}
229
230	9	public function getSelector(): string {
231		$element = $this;
232		if (!empty($element->getAttribute('id'))) {
233		return '#' . $element->getAttribute('id');
234		}
235		$path = [];
236	12	while ($element && $element->getTagName() !== 'body') {
237		$part = $element->getTagName();
238	12	$index = $element->getSiblingPosition();
239	12	if ($index > 0) {
240		$part .= ':nth-child(' . $index . ')';
241	12	}
242	12	array_unshift($path, $part);
243	6	$element = $element->getParent();
244	4	}
245	12	return implode(' > ', $path);
246	8	}
247
248	12	public function equals(ElementInterface $element): bool
249		{
250		if ($element instanceof self) {
251		return $element->node === $this->node;
252		}
253
254		return false;
255		}
256		}
257

thephpleague / html-to-markdown

Pull Request — master (#262)

Element::getSelector() A

Complexity

Size

Duplication

Code Coverage

Importance

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