packeta / deps / nette / php-generator / src / PhpGenerator / PhpNamespace.php

PhpNamespace.php in Packeta 1.6.1, at deps/nette/php-generator/src/PhpGenerator/PhpNamespace.php

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1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7	declare (strict_types=1);
8	namespace Packetery\Nette\PhpGenerator;
9
10	use Packetery\Nette;
11	use Packetery\Nette\InvalidStateException;
12	use Packetery\Nette\Utils\Strings;
13	/**
14	* Namespaced part of a PHP file.
15	*
16	* Generates:
17	* - namespace statement
18	* - variable amount of use statements
19	* - one or more class declarations
20	*/
21	final class PhpNamespace
22	{
23	use \Packetery\Nette\SmartObject;
24	private const KEYWORDS = ['string' => 1, 'int' => 1, 'float' => 1, 'bool' => 1, 'array' => 1, 'object' => 1, 'callable' => 1, 'iterable' => 1, 'void' => 1, 'self' => 1, 'parent' => 1, 'static' => 1, 'mixed' => 1, 'null' => 1, 'false' => 1];
25	/** @var string */
26	private $name;
27	/** @var bool */
28	private $bracketedSyntax = \false;
29	/** @var string[] */
30	private $uses = [];
31	/** @var ClassType[] */
32	private $classes = [];
33	public function __construct(string $name)
34	{
35	if ($name !== '' && !Helpers::isNamespaceIdentifier($name)) {
36	throw new \Packetery\Nette\InvalidArgumentException("Value '{$name}' is not valid name.");
37	}
38	$this->name = $name;
39	}
40	public function getName() : string
41	{
42	return $this->name;
43	}
44	/**
45	* @return static
46	* @internal
47	*/
48	public function setBracketedSyntax(bool $state = \true) : self
49	{
50	$this->bracketedSyntax = $state;
51	return $this;
52	}
53	public function hasBracketedSyntax() : bool
54	{
55	return $this->bracketedSyntax;
56	}
57	/** @deprecated use hasBracketedSyntax() */
58	public function getBracketedSyntax() : bool
59	{
60	return $this->bracketedSyntax;
61	}
62	/**
63	* @throws InvalidStateException
64	* @return static
65	*/
66	public function addUse(string $name, string $alias = null, string &$aliasOut = null) : self
67	{
68	$name = \ltrim($name, '\\');
69	if ($alias === null && $this->name === Helpers::extractNamespace($name)) {
70	$alias = Helpers::extractShortName($name);
71	}
72	if ($alias === null) {
73	$path = \explode('\\', $name);
74	$counter = null;
75	do {
76	if (empty($path)) {
77	$counter++;
78	} else {
79	$alias = \array_pop($path) . $alias;
80	}
81	} while (isset($this->uses[$alias . $counter]) && $this->uses[$alias . $counter] !== $name);
82	$alias .= $counter;
83	} elseif (isset($this->uses[$alias]) && $this->uses[$alias] !== $name) {
84	throw new InvalidStateException("Alias '{$alias}' used already for '{$this->uses[$alias]}', cannot use for '{$name}'.");
85	}
86	$aliasOut = $alias;
87	$this->uses[$alias] = $name;
88	\asort($this->uses);
89	return $this;
90	}
91	/** @return string[] */
92	public function getUses() : array
93	{
94	return $this->uses;
95	}
96	public function unresolveUnionType(string $type) : string
97	{
98	return \implode('\|', \array_map([$this, 'unresolveName'], \explode('\|', $type)));
99	}
100	public function unresolveName(string $name) : string
101	{
102	if (isset(self::KEYWORDS[\strtolower($name)]) \|\| $name === '') {
103	return $name;
104	}
105	$name = \ltrim($name, '\\');
106	$res = null;
107	$lower = \strtolower($name);
108	foreach ($this->uses as $alias => $original) {
109	if (Strings::startsWith($lower . '\\', \strtolower($original) . '\\')) {
110	$short = $alias . \substr($name, \strlen($original));
111	if (!isset($res) \|\| \strlen($res) > \strlen($short)) {
112	$res = $short;
113	}
114	}
115	}
116	if (!$res && Strings::startsWith($lower, \strtolower($this->name) . '\\')) {
117	return \substr($name, \strlen($this->name) + 1);
118	} else {
119	return $res ?: ($this->name ? '\\' : '') . $name;
120	}
121	}
122	/** @return static */
123	public function add(ClassType $class) : self
124	{
125	$name = $class->getName();
126	if ($name === null) {
127	throw new \Packetery\Nette\InvalidArgumentException('Class does not have a name.');
128	}
129	$this->addUse($this->name . '\\' . $name);
130	$this->classes[$name] = $class;
131	return $this;
132	}
133	public function addClass(string $name) : ClassType
134	{
135	$this->add($class = new ClassType($name, $this));
136	return $class;
137	}
138	public function addInterface(string $name) : ClassType
139	{
140	return $this->addClass($name)->setInterface();
141	}
142	public function addTrait(string $name) : ClassType
143	{
144	return $this->addClass($name)->setTrait();
145	}
146	/** @return ClassType[] */
147	public function getClasses() : array
148	{
149	return $this->classes;
150	}
151	public function __toString() : string
152	{
153	try {
154	return (new Printer())->printNamespace($this);
155	} catch (\Throwable $e) {
156	if (\PHP_VERSION_ID >= 70400) {
157	throw $e;
158	}
159	\trigger_error('Exception in ' . __METHOD__ . "(): {$e->getMessage()} in {$e->getFile()}:{$e->getLine()}", \E_USER_ERROR);
160	return '';
161	}
162	}
163	}
164