speechkit / vendor / symfony / dom-crawler / UriResolver.php

UriResolver.php in BeyondWords – AI audio for publishers 7.2.0, at vendor/symfony/dom-crawler/UriResolver.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <[email protected]>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Symfony\Component\DomCrawler;
13
14	/**
15	* The UriResolver class takes an URI (relative, absolute, fragment, etc.)
16	* and turns it into an absolute URI against another given base URI.
17	*
18	* @author Fabien Potencier <[email protected]>
19	* @author Grégoire Pineau <[email protected]>
20	*/
21	class UriResolver
22	{
23	/**
24	* Resolves a URI according to a base URI.
25	*
26	* For example if $uri=/foo/bar and $baseUri=https://symfony.com it will
27	* return https://symfony.com/foo/bar
28	*
29	* If the $uri is not absolute you must pass an absolute $baseUri
30	*/
31	public static function resolve(string $uri, ?string $baseUri): string
32	{
33	$uri = trim($uri);
34
35	// absolute URL?
36	if (null !== parse_url(\strlen($uri) !== strcspn($uri, '?#') ? $uri : $uri.'#', \PHP_URL_SCHEME)) {
37	return $uri;
38	}
39
40	if (null === $baseUri) {
41	throw new \InvalidArgumentException('The URI is relative, so you must define its base URI passing an absolute URL.');
42	}
43
44	// empty URI
45	if (!$uri) {
46	return $baseUri;
47	}
48
49	// an anchor
50	if ('#' === $uri[0]) {
51	return self::cleanupAnchor($baseUri).$uri;
52	}
53
54	$baseUriCleaned = self::cleanupUri($baseUri);
55
56	if ('?' === $uri[0]) {
57	return $baseUriCleaned.$uri;
58	}
59
60	// absolute URL with relative schema
61	if (0 === strpos($uri, '//')) {
62	return preg_replace('#^([^/])//.$#', '$1', $baseUriCleaned).$uri;
63	}
64
65	$baseUriCleaned = preg_replace('#^(.?//[^/])(?:\/.*)?$#', '$1', $baseUriCleaned);
66
67	// absolute path
68	if ('/' === $uri[0]) {
69	return $baseUriCleaned.$uri;
70	}
71
72	// relative path
73	$path = parse_url(substr($baseUri, \strlen($baseUriCleaned)), \PHP_URL_PATH) ?? '';
74	$path = self::canonicalizePath(substr($path, 0, strrpos($path, '/')).'/'.$uri);
75
76	return $baseUriCleaned.('' === $path \|\| '/' !== $path[0] ? '/' : '').$path;
77	}
78
79	/**
80	* Returns the canonicalized URI path (see RFC 3986, section 5.2.4).
81	*/
82	private static function canonicalizePath(string $path): string
83	{
84	if ('' === $path \|\| '/' === $path) {
85	return $path;
86	}
87
88	if ('.' === substr($path, -1)) {
89	$path .= '/';
90	}
91
92	$output = [];
93
94	foreach (explode('/', $path) as $segment) {
95	if ('..' === $segment) {
96	array_pop($output);
97	} elseif ('.' !== $segment) {
98	$output[] = $segment;
99	}
100	}
101
102	return implode('/', $output);
103	}
104
105	/**
106	* Removes the query string and the anchor from the given uri.
107	*/
108	private static function cleanupUri(string $uri): string
109	{
110	return self::cleanupQuery(self::cleanupAnchor($uri));
111	}
112
113	/**
114	* Removes the query string from the uri.
115	*/
116	private static function cleanupQuery(string $uri): string
117	{
118	if (false !== $pos = strpos($uri, '?')) {
119	return substr($uri, 0, $pos);
120	}
121
122	return $uri;
123	}
124
125	/**
126	* Removes the anchor from the uri.
127	*/
128	private static function cleanupAnchor(string $uri): string
129	{
130	if (false !== $pos = strpos($uri, '#')) {
131	return substr($uri, 0, $pos);
132	}
133
134	return $uri;
135	}
136	}
137