1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\DependencyInjection\Loader;
use Symfony\Component\Config\Exception\FileLocatorFileNotFoundException;
use Symfony\Component\Config\Exception\LoaderLoadException;
use Symfony\Component\Config\FileLocatorInterface;
use Symfony\Component\Config\Loader\FileLoader as BaseFileLoader;
use Symfony\Component\Config\Loader\Loader;
use Symfony\Component\Config\Resource\GlobResource;
use Symfony\Component\DependencyInjection\ChildDefinition;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
/**
* FileLoader is the abstract class used by all built-in loaders that are file based.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class FileLoader extends BaseFileLoader
{
public const ANONYMOUS_ID_REGEXP = '/^\.\d+_[^~]*+~[._a-zA-Z\d]{7}$/';
protected $container;
protected $isLoadingInstanceof = false;
protected $instanceof = [];
protected $interfaces = [];
protected $singlyImplemented = [];
protected $autoRegisterAliasesForSinglyImplementedInterfaces = true;
public function __construct(ContainerBuilder $container, FileLocatorInterface $locator)
{
$this->container = $container;
parent::__construct($locator);
}
/**
* {@inheritdoc}
*
* @param bool|string $ignoreErrors Whether errors should be ignored; pass "not_found" to ignore only when the loaded resource is not found
* @param string|string[]|null $exclude Glob patterns to exclude from the import
*/
public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null/*, $exclude = null*/)
{
$args = \func_get_args();
if ($ignoreNotFound = 'not_found' === $ignoreErrors) {
$args[2] = false;
} elseif (!\is_bool($ignoreErrors)) {
@trigger_error(sprintf('Invalid argument $ignoreErrors provided to %s::import(): boolean or "not_found" expected, %s given.', \get_class($this), \gettype($ignoreErrors)), E_USER_DEPRECATED);
$args[2] = (bool) $ignoreErrors;
}
try {
parent::import(...$args);
} catch (LoaderLoadException $e) {
if (!$ignoreNotFound || !($prev = $e->getPrevious()) instanceof FileLocatorFileNotFoundException) {
throw $e;
}
foreach ($prev->getTrace() as $frame) {
if ('import' === ($frame['function'] ?? null) && is_a($frame['class'] ?? '', Loader::class, true)) {
break;
}
}
if (__FILE__ !== $frame['file']) {
throw $e;
}
}
}
/**
* Registers a set of classes as services using PSR-4 for discovery.
*
* @param Definition $prototype A definition to use as template
* @param string $namespace The namespace prefix of classes in the scanned directory
* @param string $resource The directory to look for classes, glob-patterns allowed
* @param string|string[]|null $exclude A globbed path of files to exclude or an array of globbed paths of files to exclude
*/
public function registerClasses(Definition $prototype, $namespace, $resource, $exclude = null)
{
if ('\\' !== substr($namespace, -1)) {
throw new InvalidArgumentException(sprintf('Namespace prefix must end with a "\\": %s.', $namespace));
}
if (!preg_match('/^(?:[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+\\\\)++$/', $namespace)) {
throw new InvalidArgumentException(sprintf('Namespace is not a valid PSR-4 prefix: %s.', $namespace));
}
$classes = $this->findClasses($namespace, $resource, (array) $exclude);
// prepare for deep cloning
$serializedPrototype = serialize($prototype);
foreach ($classes as $class => $errorMessage) {
if (interface_exists($class, false)) {
$this->interfaces[] = $class;
} else {
$this->setDefinition($class, $definition = unserialize($serializedPrototype));
if (null !== $errorMessage) {
$definition->addError($errorMessage);
continue;
}
foreach (class_implements($class, false) as $interface) {
$this->singlyImplemented[$interface] = ($this->singlyImplemented[$interface] ?? $class) !== $class ? false : $class;
}
}
}
if ($this->autoRegisterAliasesForSinglyImplementedInterfaces) {
$this->registerAliasesForSinglyImplementedInterfaces();
}
}
public function registerAliasesForSinglyImplementedInterfaces()
{
foreach ($this->interfaces as $interface) {
if (!empty($this->singlyImplemented[$interface]) && !$this->container->has($interface)) {
$this->container->setAlias($interface, $this->singlyImplemented[$interface])->setPublic(false);
}
}
$this->interfaces = $this->singlyImplemented = [];
}
/**
* Registers a definition in the container with its instanceof-conditionals.
*
* @param string $id
*/
protected function setDefinition($id, Definition $definition)
{
$this->container->removeBindings($id);
if ($this->isLoadingInstanceof) {
if (!$definition instanceof ChildDefinition) {
throw new InvalidArgumentException(sprintf('Invalid type definition "%s": ChildDefinition expected, "%s" given.', $id, \get_class($definition)));
}
$this->instanceof[$id] = $definition;
} else {
$this->container->setDefinition($id, $definition instanceof ChildDefinition ? $definition : $definition->setInstanceofConditionals($this->instanceof));
}
}
private function findClasses(string $namespace, string $pattern, array $excludePatterns): array
{
$parameterBag = $this->container->getParameterBag();
$excludePaths = [];
$excludePrefix = null;
$excludePatterns = $parameterBag->unescapeValue($parameterBag->resolveValue($excludePatterns));
foreach ($excludePatterns as $excludePattern) {
foreach ($this->glob($excludePattern, true, $resource, false, true) as $path => $info) {
if (null === $excludePrefix) {
$excludePrefix = $resource->getPrefix();
}
// normalize Windows slashes
$excludePaths[str_replace('\\', '/', $path)] = true;
}
}
$pattern = $parameterBag->unescapeValue($parameterBag->resolveValue($pattern));
$classes = [];
$extRegexp = '/\\.php$/';
$prefixLen = null;
foreach ($this->glob($pattern, true, $resource, false, false, $excludePaths) as $path => $info) {
if (null === $prefixLen) {
$prefixLen = \strlen($resource->getPrefix());
if ($excludePrefix && 0 !== strpos($excludePrefix, $resource->getPrefix())) {
throw new InvalidArgumentException(sprintf('Invalid "exclude" pattern when importing classes for "%s": make sure your "exclude" pattern (%s) is a subset of the "resource" pattern (%s)', $namespace, $excludePattern, $pattern));
}
}
if (isset($excludePaths[str_replace('\\', '/', $path)])) {
continue;
}
if (!preg_match($extRegexp, $path, $m) || !$info->isReadable()) {
continue;
}
$class = $namespace.ltrim(str_replace('/', '\\', substr($path, $prefixLen, -\strlen($m[0]))), '\\');
if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+$/', $class)) {
continue;
}
try {
$r = $this->container->getReflectionClass($class);
} catch (\ReflectionException $e) {
$classes[$class] = $e->getMessage();
continue;
}
// check to make sure the expected class exists
if (!$r) {
throw new InvalidArgumentException(sprintf('Expected to find class "%s" in file "%s" while importing services from resource "%s", but it was not found! Check the namespace prefix used with the resource.', $class, $path, $pattern));
}
if ($r->isInstantiable() || $r->isInterface()) {
$classes[$class] = null;
}
}
// track only for new & removed files
if ($resource instanceof GlobResource) {
$this->container->addResource($resource);
} else {
foreach ($resource as $path) {
$this->container->fileExists($path, false);
}
}
return $classes;
}
}
|
