AbstractDomParser::__toString()

Completed

Pull Request — master (#55)

by Volodymyr

created 2020-08-05 08:09 UTC

↳ Parent: AbstractDomParser

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<?php

declare(strict_types=1);

namespace voku\helper;

abstract class AbstractDomParser implements DomParserInterface
{
    /**
     * @var string
     */
    protected static $domHtmlWrapperHelper = '____simple_html_dom__voku__html_wrapper____';

    /**
     * @var string
     */
    protected static $domHtmlBrokenHtmlHelper = '____simple_html_dom__voku__broken_html____';

    /**
     * @var string
     */
    protected static $domHtmlSpecialScriptHelper = '____simple_html_dom__voku__html_special_script____';

    /**
     * @var array
     */
    protected static $domBrokenReplaceHelper = [];

    /**
     * @var string[][]
     */
    protected static $domLinkReplaceHelper = [
        'orig' => ['[', ']', '{', '}'],
        'tmp'  => [
            '____SIMPLE_HTML_DOM__VOKU__SQUARE_BRACKET_LEFT____',
            '____SIMPLE_HTML_DOM__VOKU__SQUARE_BRACKET_RIGHT____',
            '____SIMPLE_HTML_DOM__VOKU__BRACKET_LEFT____',
            '____SIMPLE_HTML_DOM__VOKU__BRACKET_RIGHT____',
        ],
    ];

    /**
     * @var string[][]
     */
    protected static $domReplaceHelper = [
        'orig' => ['&', '|', '+', '%', '@', '<html ⚡'],
        'tmp'  => [
            '____SIMPLE_HTML_DOM__VOKU__AMP____',
            '____SIMPLE_HTML_DOM__VOKU__PIPE____',
            '____SIMPLE_HTML_DOM__VOKU__PLUS____',
            '____SIMPLE_HTML_DOM__VOKU__PERCENT____',
            '____SIMPLE_HTML_DOM__VOKU__AT____',
            '<html ____SIMPLE_HTML_DOM__VOKU__GOOGLE_AMP____="true"',
        ],
    ];

    /**
     * @var callable|null
     */
    protected static $callback;

    /**
     * @var string[]
     */
    protected static $functionAliases = [];

    /**
     * @var \DOMDocument
     */
    protected $document;

    /**
     * @var string
     */
    protected $encoding = 'UTF-8';

    /**
     * @param string $name
     * @param array  $arguments
     *
     * @return bool|mixed
     */
    public function __call($name, $arguments)
    {
        $name = \strtolower($name);

        if (isset(self::$functionAliases[$name])) {
            return \call_user_func_array([$this, self::$functionAliases[$name]], $arguments);
        }

        throw new \BadMethodCallException('Method does not exist: ' . $name);
    }

    /**
     * @param string $name
     * @param array  $arguments
     *
     * @throws \BadMethodCallException
     * @throws \RuntimeException
     *
     * @return static
     */
    abstract public static function __callStatic($name, $arguments);

    public function __clone()
    {
        $this->document = clone $this->document;
    }

    /** @noinspection MagicMethodsValidityInspection */

    /**
     * @param string $name
     *
     * @return string|null
     */
    abstract public function __get($name);

    /**
     * @return string
     */
    abstract public function __toString();

    /**
     * does nothing (only for api-compatibility-reasons)
     *
     * @return bool
     *
     * @deprecated
     */
    public function clear(): bool
    {
        return true;
    }

    /**
     * Create DOMDocument from HTML.
     *
     * @param string   $html
     * @param int|null $libXMLExtraOptions
     *
     * @return \DOMDocument
     */
    abstract protected function createDOMDocument(string $html, $libXMLExtraOptions = null): \DOMDocument;

    /**
     * @param string $content
     * @param bool   $multiDecodeNewHtmlEntity
     *
     * @return string
     */
    protected function decodeHtmlEntity(string $content, bool $multiDecodeNewHtmlEntity): string
    {
        if ($multiDecodeNewHtmlEntity) {
            if (\class_exists('\voku\helper\UTF8')) {
                /** @noinspection PhpUndefinedClassInspection */
                $content = UTF8::rawurldecode($content, true);
            } else {
                do {
                    $content_compare = $content;

                    $content = \rawurldecode(
                        \html_entity_decode(
                            $content,
                            \ENT_QUOTES | \ENT_HTML5
                        )
                    );
                } while ($content_compare !== $content);
            }
        } else {
            /** @noinspection NestedPositiveIfStatementsInspection */
            if (\class_exists('\voku\helper\UTF8')) {
                /** @noinspection PhpUndefinedClassInspection */
                $content = UTF8::rawurldecode($content, false);
            } else {
                $content = \rawurldecode(
                    \html_entity_decode(
                        $content,
                        \ENT_QUOTES | \ENT_HTML5
                    )
                );
            }
        }

        return $content;
    }

    /**
     * Find list of nodes with a CSS selector.
     *
     * @param string   $selector
     * @param int|null $idx
     */
    abstract public function find(string $selector, $idx = null);

    /**
     * Find nodes with a CSS selector.
     *
     * @param string $selector
     */
    abstract public function findMulti(string $selector);

    /**
     * Find nodes with a CSS selector or false, if no element is found.
     *
     * @param string $selector
     */
    abstract public function findMultiOrFalse(string $selector);

    /**
     * Find one node with a CSS selector.
     *
     * @param string $selector
     */
    abstract public function findOne(string $selector);

    /**
     * Find one node with a CSS selector or false, if no element is found.
     *
     * @param string $selector
     */
    abstract public function findOneOrFalse(string $selector);

    /**
     * @return \DOMDocument
     */
    public function getDocument(): \DOMDocument
    {
        return $this->document;
    }

    /**
     * Get dom node's outer html.
     *
     * @param bool $multiDecodeNewHtmlEntity
     *
     * @return string
     */
    abstract public function html(bool $multiDecodeNewHtmlEntity = false): string;

    /**
     * Get dom node's inner html.
     *
     * @param bool $multiDecodeNewHtmlEntity
     *
     * @return string
     */
    public function innerHtml(bool $multiDecodeNewHtmlEntity = false): string

    {
        // init
        $text = '';

        if ($this->document->documentElement) {
            foreach ($this->document->documentElement->childNodes as $node) {
                $text .= $this->document->saveHTML($node);
            }
        }

        return $this->fixHtmlOutput($text, $multiDecodeNewHtmlEntity);
    }

    /**
     * Get dom node's inner html.
     *
     * @param bool $multiDecodeNewHtmlEntity
     *
     * @return string
     */
    public function innerXml(bool $multiDecodeNewHtmlEntity = false): string

    {
        // init
        $text = '';

        if ($this->document->documentElement) {
            foreach ($this->document->documentElement->childNodes as $node) {
                $text .= $this->document->saveXML($node);
            }
        }

        return $this->fixHtmlOutput($text, $multiDecodeNewHtmlEntity);
    }

    /**
     * Load HTML from string.
     *
     * @param string   $html
     * @param int|null $libXMLExtraOptions
     *
     * @return DomParserInterface
     */
    abstract public function loadHtml(string $html, $libXMLExtraOptions = null): DomParserInterface;

    /**
     * Load HTML from file.
     *
     * @param string   $filePath
     * @param int|null $libXMLExtraOptions
     *
     * @throws \RuntimeException
     *
     * @return DomParserInterface
     */
    abstract public function loadHtmlFile(string $filePath, $libXMLExtraOptions = null): DomParserInterface;

    /**
     * Save the html-dom as string.
     *
     * @param string $filepath
     *
     * @return string
     */
    public function save(string $filepath = ''): string
    {
        $string = $this->html();
        if ($filepath !== '') {
            \file_put_contents($filepath, $string, \LOCK_EX);
        }

        return $string;
    }

    /**
     * @param callable $functionName
     */
    public function set_callback($functionName)
    {
        static::$callback = $functionName;
    }

    /**
     * Get dom node's plain text.
     *
     * @param bool $multiDecodeNewHtmlEntity
     *
     * @return string
     */
    public function text(bool $multiDecodeNewHtmlEntity = false): string
    {
        return $this->fixHtmlOutput($this->document->textContent, $multiDecodeNewHtmlEntity);
    }

    /**
     * Get the HTML as XML or plain XML if needed.
     *
     * @param bool $multiDecodeNewHtmlEntity
     * @param bool $htmlToXml
     * @param bool $removeXmlHeader
     * @param int  $options
     *
     * @return string
     */
    public function xml(

        bool $multiDecodeNewHtmlEntity = false,
        bool $htmlToXml = true,
        bool $removeXmlHeader = true,
        int $options = \LIBXML_NOEMPTYTAG
    ): string {
        $xml = $this->document->saveXML(null, $options);
        if ($xml === false) {
            return '';
        }

        if ($removeXmlHeader) {
            $xml = \ltrim((string) \preg_replace('/<\?xml.*\?>/', '', $xml));
        }

        if ($htmlToXml) {
            $return = $this->fixHtmlOutput($xml, $multiDecodeNewHtmlEntity);
        } else {
            $xml = $this->decodeHtmlEntity($xml, $multiDecodeNewHtmlEntity);

            $return = self::putReplacedBackToPreserveHtmlEntities($xml);
        }

        return $return;
    }

    /**
     * Get the encoding to use.
     *
     * @return string
     */
    protected function getEncoding(): string
    {
        return $this->encoding;
    }

    /**
     * workaround for bug: https://bugs.php.net/bug.php?id=74628
     *
     * @param string $html
     */
    protected function html5FallbackForScriptTags(string &$html)
    {
        // regEx for e.g.: [<script id="elements-image-2">...<script>]
        /** @noinspection HtmlDeprecatedTag */
        $regExSpecialScript = '/<(script)(?<attr>[^>]*)>(?<content>.*)<\/\1>/isU';
        $htmlTmp = \preg_replace_callback(
            $regExSpecialScript,
            static function ($scripts) {
                if (empty($scripts['content'])) {
                    return $scripts[0];
                }

                return '<script' . $scripts['attr'] . '>' . \str_replace('</', '<\/', $scripts['content']) . '</script>';
            },
            $html
        );

        if ($htmlTmp !== null) {
            $html = $htmlTmp;
        }
    }

    /**
     * @param string $html
     *
     * @return string
     */
    public static function putReplacedBackToPreserveHtmlEntities(string $html): string
    {
        static $DOM_REPLACE__HELPER_CACHE = null;

        if ($DOM_REPLACE__HELPER_CACHE === null) {
            $DOM_REPLACE__HELPER_CACHE['tmp'] = \array_merge(
                self::$domLinkReplaceHelper['tmp'],
                self::$domReplaceHelper['tmp']
            );
            $DOM_REPLACE__HELPER_CACHE['orig'] = \array_merge(
                self::$domLinkReplaceHelper['orig'],
                self::$domReplaceHelper['orig']
            );

            $DOM_REPLACE__HELPER_CACHE['tmp']['html_wrapper__start'] = '<' . self::$domHtmlWrapperHelper . '>';
            $DOM_REPLACE__HELPER_CACHE['tmp']['html_wrapper__end'] = '</' . self::$domHtmlWrapperHelper . '>';

            $DOM_REPLACE__HELPER_CACHE['orig']['html_wrapper__start'] = '';
            $DOM_REPLACE__HELPER_CACHE['orig']['html_wrapper__end'] = '';

            $DOM_REPLACE__HELPER_CACHE['tmp']['html_special_script__start'] = '<' . self::$domHtmlSpecialScriptHelper;
            $DOM_REPLACE__HELPER_CACHE['tmp']['html_special_script__end'] = '</' . self::$domHtmlSpecialScriptHelper . '>';

            $DOM_REPLACE__HELPER_CACHE['orig']['html_special_script__start'] = '<script';
            $DOM_REPLACE__HELPER_CACHE['orig']['html_special_script__end'] = '</script>';
        }

        if (
            isset(self::$domBrokenReplaceHelper['tmp'])
            &&
            \count(self::$domBrokenReplaceHelper['tmp']) > 0
        ) {
            $html = \str_ireplace(self::$domBrokenReplaceHelper['tmp'], self::$domBrokenReplaceHelper['orig'], $html);
        }

        return \str_ireplace($DOM_REPLACE__HELPER_CACHE['tmp'], $DOM_REPLACE__HELPER_CACHE['orig'], $html);
    }

    /**
     * @param string $html
     *
     * @return string
     */
    public static function replaceToPreserveHtmlEntities(string $html): string
    {
        // init
        $linksNew = [];
        $linksOld = [];

        if (\strpos($html, 'http') !== false) {

            // regEx for e.g.: [https://www.domain.de/foo.php?foobar=1&email=lars%40moelleken.org&guid=test1233312&{{foo}}#foo]
            $regExUrl = '/(\[?\bhttps?:\/\/[^\s<>]+(?:\([\w]+\)|[^[:punct:]\s]|\/|\}|\]))/i';
            \preg_match_all($regExUrl, $html, $linksOld);

            if (!empty($linksOld[1])) {
                $linksOld = $linksOld[1];
                foreach ((array) $linksOld as $linkKey => $linkOld) {
                    $linksNew[$linkKey] = \str_replace(
                        self::$domLinkReplaceHelper['orig'],
                        self::$domLinkReplaceHelper['tmp'],
                        $linkOld
                    );
                }
            }
        }

        $linksNewCount = \count($linksNew);
        if ($linksNewCount > 0 && \count($linksOld) === $linksNewCount) {
            $search = \array_merge($linksOld, self::$domReplaceHelper['orig']);
            $replace = \array_merge($linksNew, self::$domReplaceHelper['tmp']);
        } else {
            $search = self::$domReplaceHelper['orig'];
            $replace = self::$domReplaceHelper['tmp'];
        }

        return \str_replace($search, $replace, $html);
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace voku\helper;
6
7			abstract class AbstractDomParser implements DomParserInterface
8			{
9			/**
10			* @var string
11			*/
12			protected static $domHtmlWrapperHelper = '____simple_html_dom__voku__html_wrapper____';
13
14			/**
15			* @var string
16			*/
17			protected static $domHtmlBrokenHtmlHelper = '____simple_html_dom__voku__broken_html____';
18
19			/**
20			* @var string
21			*/
22			protected static $domHtmlSpecialScriptHelper = '____simple_html_dom__voku__html_special_script____';
23
24			/**
25			* @var array
26			*/
27			protected static $domBrokenReplaceHelper = [];
28
29			/**
30			* @var string[][]
31			*/
32			protected static $domLinkReplaceHelper = [
33			'orig' => ['[', ']', '{', '}'],
34			'tmp' => [
35			'____SIMPLE_HTML_DOM__VOKU__SQUARE_BRACKET_LEFT____',
36			'____SIMPLE_HTML_DOM__VOKU__SQUARE_BRACKET_RIGHT____',
37			'____SIMPLE_HTML_DOM__VOKU__BRACKET_LEFT____',
38			'____SIMPLE_HTML_DOM__VOKU__BRACKET_RIGHT____',
39			],
40			];
41
42			/**
43			* @var string[][]
44			*/
45			protected static $domReplaceHelper = [
46			'orig' => ['&', '\|', '+', '%', '@', '<html ⚡'],
47			'tmp' => [
48			'____SIMPLE_HTML_DOM__VOKU__AMP____',
49			'____SIMPLE_HTML_DOM__VOKU__PIPE____',
50			'____SIMPLE_HTML_DOM__VOKU__PLUS____',
51			'____SIMPLE_HTML_DOM__VOKU__PERCENT____',
52			'____SIMPLE_HTML_DOM__VOKU__AT____',
53			'<html ____SIMPLE_HTML_DOM__VOKU__GOOGLE_AMP____="true"',
54			],
55			];
56
57			/**
58			* @var callable\|null
59			*/
60			protected static $callback;
61
62			/**
63			* @var string[]
64			*/
65			protected static $functionAliases = [];
66
67			/**
68			* @var \DOMDocument
69			*/
70			protected $document;
71
72			/**
73			* @var string
74			*/
75			protected $encoding = 'UTF-8';
76
77			/**
78			* @param string $name
79			* @param array $arguments
80			*
81			* @return bool\|mixed
82			*/
83			public function __call($name, $arguments)
84			{
85			$name = \strtolower($name);
86
87			if (isset(self::$functionAliases[$name])) {
88			return \call_user_func_array([$this, self::$functionAliases[$name]], $arguments);
89			}
90
91			throw new \BadMethodCallException('Method does not exist: ' . $name);
92			}
93
94			/**
95			* @param string $name
96			* @param array $arguments
97			*
98			* @throws \BadMethodCallException
99			* @throws \RuntimeException
100			*
101			* @return static
102			*/
103			abstract public static function __callStatic($name, $arguments);
104
105			public function __clone()
106			{
107			$this->document = clone $this->document;
108			}
109
110			/** @noinspection MagicMethodsValidityInspection */
111
112			/**
113			* @param string $name
114			*
115			* @return string\|null
116			*/
117			abstract public function __get($name);
118
119			/**
120			* @return string
121			*/
122			abstract public function __toString();
123
124			/**
125			* does nothing (only for api-compatibility-reasons)
126			*
127			* @return bool
128			*
129			* @deprecated
130			*/
131			public function clear(): bool
132			{
133			return true;
134			}
135
136			/**
137			* Create DOMDocument from HTML.
138			*
139			* @param string $html
140			* @param int\|null $libXMLExtraOptions
141			*
142			* @return \DOMDocument
143			*/
144			abstract protected function createDOMDocument(string $html, $libXMLExtraOptions = null): \DOMDocument;
145
146			/**
147			* @param string $content
148			* @param bool $multiDecodeNewHtmlEntity
149			*
150			* @return string
151			*/
152	124		protected function decodeHtmlEntity(string $content, bool $multiDecodeNewHtmlEntity): string
153			{
154	124		if ($multiDecodeNewHtmlEntity) {
155	3		if (\class_exists('\voku\helper\UTF8')) {
156			/** @noinspection PhpUndefinedClassInspection */
157			$content = UTF8::rawurldecode($content, true);
158			} else {
159			do {
160	3		$content_compare = $content;
161
162	3		$content = \rawurldecode(
163	3		\html_entity_decode(
164	3		$content,
165	3		\ENT_QUOTES \| \ENT_HTML5
166			)
167			);
168	3		} while ($content_compare !== $content);
169			}
170			} else {
171			/** @noinspection NestedPositiveIfStatementsInspection */
172	123		if (\class_exists('\voku\helper\UTF8')) {
173			/** @noinspection PhpUndefinedClassInspection */
174			$content = UTF8::rawurldecode($content, false);
175			} else {
176	123		$content = \rawurldecode(
177	123		\html_entity_decode(
178	123		$content,
179	123		\ENT_QUOTES \| \ENT_HTML5
180			)
181			);
182			}
183			}
184
185	124		return $content;
186			}
187
188			/**
189			* Find list of nodes with a CSS selector.
190			*
191			* @param string $selector
192			* @param int\|null $idx
193			*/
194			abstract public function find(string $selector, $idx = null);
195
196			/**
197			* Find nodes with a CSS selector.
198			*
199			* @param string $selector
200			*/
201			abstract public function findMulti(string $selector);
202
203			/**
204			* Find nodes with a CSS selector or false, if no element is found.
205			*
206			* @param string $selector
207			*/
208			abstract public function findMultiOrFalse(string $selector);
209
210			/**
211			* Find one node with a CSS selector.
212			*
213			* @param string $selector
214			*/
215			abstract public function findOne(string $selector);
216
217			/**
218			* Find one node with a CSS selector or false, if no element is found.
219			*
220			* @param string $selector
221			*/
222			abstract public function findOneOrFalse(string $selector);
223
224			/**
225			* @return \DOMDocument
226			*/
227	48		public function getDocument(): \DOMDocument
228			{
229	48		return $this->document;
230			}
231
232			/**
233			* Get dom node's outer html.
234			*
235			* @param bool $multiDecodeNewHtmlEntity
236			*
237			* @return string
238			*/
239			abstract public function html(bool $multiDecodeNewHtmlEntity = false): string;
240
241			/**
242			* Get dom node's inner html.
243			*
244			* @param bool $multiDecodeNewHtmlEntity
245			*
246			* @return string
247			*/
248	30	View Code Duplication	public function innerHtml(bool $multiDecodeNewHtmlEntity = false): string
			0 ignored issues – show Duplication introduced 2019-07-01 08:00 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
249			{
250			// init
251	30		$text = '';
252
253	30		if ($this->document->documentElement) {
254	30		foreach ($this->document->documentElement->childNodes as $node) {
255	30		$text .= $this->document->saveHTML($node);
256			}
257			}
258
259	30		return $this->fixHtmlOutput($text, $multiDecodeNewHtmlEntity);
260			}
261
262			/**
263			* Get dom node's inner html.
264			*
265			* @param bool $multiDecodeNewHtmlEntity
266			*
267			* @return string
268			*/
269		View Code Duplication	public function innerXml(bool $multiDecodeNewHtmlEntity = false): string
			0 ignored issues – show Duplication introduced 2019-07-01 08:00 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
270			{
271			// init
272			$text = '';
273
274			if ($this->document->documentElement) {
275			foreach ($this->document->documentElement->childNodes as $node) {
276			$text .= $this->document->saveXML($node);
277			}
278			}
279
280			return $this->fixHtmlOutput($text, $multiDecodeNewHtmlEntity);
281			}
282
283			/**
284			* Load HTML from string.
285			*
286			* @param string $html
287			* @param int\|null $libXMLExtraOptions
288			*
289			* @return DomParserInterface
290			*/
291			abstract public function loadHtml(string $html, $libXMLExtraOptions = null): DomParserInterface;
292
293			/**
294			* Load HTML from file.
295			*
296			* @param string $filePath
297			* @param int\|null $libXMLExtraOptions
298			*
299			* @throws \RuntimeException
300			*
301			* @return DomParserInterface
302			*/
303			abstract public function loadHtmlFile(string $filePath, $libXMLExtraOptions = null): DomParserInterface;
304
305			/**
306			* Save the html-dom as string.
307			*
308			* @param string $filepath
309			*
310			* @return string
311			*/
312	14		public function save(string $filepath = ''): string
313			{
314	14		$string = $this->html();
315	14		if ($filepath !== '') {
316	2		\file_put_contents($filepath, $string, \LOCK_EX);
317			}
318
319	14		return $string;
320			}
321
322			/**
323			* @param callable $functionName
324			*/
325			public function set_callback($functionName)
326			{
327			static::$callback = $functionName;
328			}
329
330			/**
331			* Get dom node's plain text.
332			*
333			* @param bool $multiDecodeNewHtmlEntity
334			*
335			* @return string
336			*/
337	4		public function text(bool $multiDecodeNewHtmlEntity = false): string
338			{
339	4		return $this->fixHtmlOutput($this->document->textContent, $multiDecodeNewHtmlEntity);
340			}
341
342			/**
343			* Get the HTML as XML or plain XML if needed.
344			*
345			* @param bool $multiDecodeNewHtmlEntity
346			* @param bool $htmlToXml
347			* @param bool $removeXmlHeader
348			* @param int $options
349			*
350			* @return string
351			*/
352	2	View Code Duplication	public function xml(
			0 ignored issues – show Duplication introduced 2019-07-01 08:00 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
353			bool $multiDecodeNewHtmlEntity = false,
354			bool $htmlToXml = true,
355			bool $removeXmlHeader = true,
356			int $options = \LIBXML_NOEMPTYTAG
357			): string {
358	2		$xml = $this->document->saveXML(null, $options);
359	2		if ($xml === false) {
360			return '';
361			}
362
363	2		if ($removeXmlHeader) {
364	2		$xml = \ltrim((string) \preg_replace('/<\?xml.*\?>/', '', $xml));
365			}
366
367	2		if ($htmlToXml) {
368			$return = $this->fixHtmlOutput($xml, $multiDecodeNewHtmlEntity);
369			} else {
370	2		$xml = $this->decodeHtmlEntity($xml, $multiDecodeNewHtmlEntity);
371
372	2		$return = self::putReplacedBackToPreserveHtmlEntities($xml);
373			}
374
375	2		return $return;
376			}
377
378			/**
379			* Get the encoding to use.
380			*
381			* @return string
382			*/
383	215		protected function getEncoding(): string
384			{
385	215		return $this->encoding;
386			}
387
388			/**
389			* workaround for bug: https://bugs.php.net/bug.php?id=74628
390			*
391			* @param string $html
392			*/
393	23		protected function html5FallbackForScriptTags(string &$html)
394			{
395			// regEx for e.g.: [<script id="elements-image-2">...<script>]
396			/** @noinspection HtmlDeprecatedTag */
397	23		$regExSpecialScript = '/<(script)(?<attr>[^>])>(?<content>.)<\/\1>/isU';
398	23		$htmlTmp = \preg_replace_callback(
399	23		$regExSpecialScript,
400			static function ($scripts) {
401	21		if (empty($scripts['content'])) {
402	8		return $scripts[0];
403			}
404
405	18		return '<script' . $scripts['attr'] . '>' . \str_replace('</', '<\/', $scripts['content']) . '</script>';
406	23		},
407	23		$html
408			);
409
410	23		if ($htmlTmp !== null) {
411	23		$html = $htmlTmp;
412			}
413	23		}
414
415			/**
416			* @param string $html
417			*
418			* @return string
419			*/
420	140		public static function putReplacedBackToPreserveHtmlEntities(string $html): string
421			{
422	140		static $DOM_REPLACE__HELPER_CACHE = null;
423
424	140		if ($DOM_REPLACE__HELPER_CACHE === null) {
425	30		$DOM_REPLACE__HELPER_CACHE['tmp'] = \array_merge(
426	30		self::$domLinkReplaceHelper['tmp'],
427	30		self::$domReplaceHelper['tmp']
428			);
429	30		$DOM_REPLACE__HELPER_CACHE['orig'] = \array_merge(
430	30		self::$domLinkReplaceHelper['orig'],
431	30		self::$domReplaceHelper['orig']
432			);
433
434	30		$DOM_REPLACE__HELPER_CACHE['tmp']['html_wrapper__start'] = '<' . self::$domHtmlWrapperHelper . '>';
435	30		$DOM_REPLACE__HELPER_CACHE['tmp']['html_wrapper__end'] = '</' . self::$domHtmlWrapperHelper . '>';
436
437	30		$DOM_REPLACE__HELPER_CACHE['orig']['html_wrapper__start'] = '';
438	30		$DOM_REPLACE__HELPER_CACHE['orig']['html_wrapper__end'] = '';
439
440	30		$DOM_REPLACE__HELPER_CACHE['tmp']['html_special_script__start'] = '<' . self::$domHtmlSpecialScriptHelper;
441	30		$DOM_REPLACE__HELPER_CACHE['tmp']['html_special_script__end'] = '</' . self::$domHtmlSpecialScriptHelper . '>';
442
443	30		$DOM_REPLACE__HELPER_CACHE['orig']['html_special_script__start'] = '<script';
444	30		$DOM_REPLACE__HELPER_CACHE['orig']['html_special_script__end'] = '</script>';
445			}
446
447			if (
448	140		isset(self::$domBrokenReplaceHelper['tmp'])
449			&&
450	140		\count(self::$domBrokenReplaceHelper['tmp']) > 0
451			) {
452	6		$html = \str_ireplace(self::$domBrokenReplaceHelper['tmp'], self::$domBrokenReplaceHelper['orig'], $html);
453			}
454
455	140		return \str_ireplace($DOM_REPLACE__HELPER_CACHE['tmp'], $DOM_REPLACE__HELPER_CACHE['orig'], $html);
456			}
457
458			/**
459			* @param string $html
460			*
461			* @return string
462			*/
463	200		public static function replaceToPreserveHtmlEntities(string $html): string
464			{
465			// init
466	200		$linksNew = [];
467	200		$linksOld = [];
468
469	200		if (\strpos($html, 'http') !== false) {
470
471			// regEx for e.g.: [https://www.domain.de/foo.php?foobar=1&email=lars%40moelleken.org&guid=test1233312&{{foo}}#foo]
472	63		$regExUrl = '/(\[?\bhttps?:\/\/[^\s<>]+(?:\([\w]+\)\|[^[:punct:]\s]\|\/\|\}\|\]))/i';
473	63		\preg_match_all($regExUrl, $html, $linksOld);
474
475	63		if (!empty($linksOld[1])) {
476	60		$linksOld = $linksOld[1];
477	60		foreach ((array) $linksOld as $linkKey => $linkOld) {
478	60		$linksNew[$linkKey] = \str_replace(
479	60		self::$domLinkReplaceHelper['orig'],
480	60		self::$domLinkReplaceHelper['tmp'],
481	60		$linkOld
482			);
483			}
484			}
485			}
486
487	200		$linksNewCount = \count($linksNew);
488	200		if ($linksNewCount > 0 && \count($linksOld) === $linksNewCount) {
489	60		$search = \array_merge($linksOld, self::$domReplaceHelper['orig']);
490	60		$replace = \array_merge($linksNew, self::$domReplaceHelper['tmp']);
491			} else {
492	146		$search = self::$domReplaceHelper['orig'];
493	146		$replace = self::$domReplaceHelper['tmp'];
494			}
495
496	200		return \str_replace($search, $replace, $html);
497			}
498			}
499

voku / simple_html_dom

Pull Request — master (#55)

AbstractDomParser::__toString()

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Duplication

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