| 1 |
<?php |
| 2 |
|
| 3 |
namespace FluentForm\Framework\Foundation; |
| 4 |
|
| 5 |
use Closure; |
| 6 |
use ArrayAccess; |
| 7 |
use ReflectionClass; |
| 8 |
use ReflectionMethod; |
| 9 |
use ReflectionFunction; |
| 10 |
use ReflectionParameter; |
| 11 |
use InvalidArgumentException; |
| 12 |
|
| 13 |
class Container implements ArrayAccess, ContainerContract |
| 14 |
{ |
| 15 |
/** |
| 16 |
* The current globally available container (if any). |
| 17 |
* |
| 18 |
* @var static |
| 19 |
*/ |
| 20 |
protected static $instance; |
| 21 |
|
| 22 |
/** |
| 23 |
* An array of the types that have been resolved. |
| 24 |
* |
| 25 |
* @var array |
| 26 |
*/ |
| 27 |
protected $resolved = []; |
| 28 |
|
| 29 |
/** |
| 30 |
* The container's bindings. |
| 31 |
* |
| 32 |
* @var array |
| 33 |
*/ |
| 34 |
protected $bindings = []; |
| 35 |
|
| 36 |
/** |
| 37 |
* The container's shared instances. |
| 38 |
* |
| 39 |
* @var array |
| 40 |
*/ |
| 41 |
protected $instances = []; |
| 42 |
|
| 43 |
/** |
| 44 |
* The registered type aliases. |
| 45 |
* |
| 46 |
* @var array |
| 47 |
*/ |
| 48 |
protected $aliases = []; |
| 49 |
|
| 50 |
/** |
| 51 |
* The extension closures for services. |
| 52 |
* |
| 53 |
* @var array |
| 54 |
*/ |
| 55 |
protected $extenders = []; |
| 56 |
|
| 57 |
/** |
| 58 |
* All of the registered tags. |
| 59 |
* |
| 60 |
* @var array |
| 61 |
*/ |
| 62 |
protected $tags = []; |
| 63 |
|
| 64 |
/** |
| 65 |
* The stack of concretions being current built. |
| 66 |
* |
| 67 |
* @var array |
| 68 |
*/ |
| 69 |
protected $buildStack = []; |
| 70 |
|
| 71 |
/** |
| 72 |
* The contextual binding map. |
| 73 |
* |
| 74 |
* @var array |
| 75 |
*/ |
| 76 |
public $contextual = []; |
| 77 |
|
| 78 |
/** |
| 79 |
* All of the registered rebound callbacks. |
| 80 |
* |
| 81 |
* @var array |
| 82 |
*/ |
| 83 |
protected $reboundCallbacks = []; |
| 84 |
|
| 85 |
/** |
| 86 |
* All of the global resolving callbacks. |
| 87 |
* |
| 88 |
* @var array |
| 89 |
*/ |
| 90 |
protected $globalResolvingCallbacks = []; |
| 91 |
|
| 92 |
/** |
| 93 |
* All of the global after resolving callbacks. |
| 94 |
* |
| 95 |
* @var array |
| 96 |
*/ |
| 97 |
protected $globalAfterResolvingCallbacks = []; |
| 98 |
|
| 99 |
/** |
| 100 |
* All of the after resolving callbacks by class type. |
| 101 |
* |
| 102 |
* @var array |
| 103 |
*/ |
| 104 |
protected $resolvingCallbacks = []; |
| 105 |
|
| 106 |
/** |
| 107 |
* All of the after resolving callbacks by class type. |
| 108 |
* |
| 109 |
* @var array |
| 110 |
*/ |
| 111 |
protected $afterResolvingCallbacks = []; |
| 112 |
|
| 113 |
/** |
| 114 |
* Define a contextual binding. |
| 115 |
* |
| 116 |
* @param string $concrete |
| 117 |
* @return FluentForm\Framework\Foundation\ContextualBindingBuilder |
| 118 |
*/ |
| 119 |
public function when($concrete) |
| 120 |
{ |
| 121 |
return new ContextualBindingBuilder($this, $concrete); |
| 122 |
} |
| 123 |
|
| 124 |
/** |
| 125 |
* Determine if a given string is resolvable. |
| 126 |
* |
| 127 |
* @param string $abstract |
| 128 |
* @return bool |
| 129 |
*/ |
| 130 |
protected function resolvable($abstract) |
| 131 |
{ |
| 132 |
return $this->bound($abstract); |
| 133 |
} |
| 134 |
|
| 135 |
/** |
| 136 |
* Determine if the given abstract type has been bound. |
| 137 |
* |
| 138 |
* @param string $abstract |
| 139 |
* @return bool |
| 140 |
*/ |
| 141 |
public function bound($abstract) |
| 142 |
{ |
| 143 |
return isset($this->bindings[$abstract]) || isset($this->instances[$abstract]) || $this->isAlias($abstract); |
| 144 |
} |
| 145 |
|
| 146 |
/** |
| 147 |
* Determine if the given abstract type has been resolved. |
| 148 |
* |
| 149 |
* @param string $abstract |
| 150 |
* @return bool |
| 151 |
*/ |
| 152 |
public function resolved($abstract) |
| 153 |
{ |
| 154 |
return isset($this->resolved[$abstract]) || isset($this->instances[$abstract]); |
| 155 |
} |
| 156 |
|
| 157 |
/** |
| 158 |
* Determine if a given string is an alias. |
| 159 |
* |
| 160 |
* @param string $name |
| 161 |
* @return bool |
| 162 |
*/ |
| 163 |
public function isAlias($name) |
| 164 |
{ |
| 165 |
return isset($this->aliases[$name]); |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Register a binding with the container. |
| 170 |
* |
| 171 |
* @param string|array $abstract |
| 172 |
* @param Closure|string|null $concrete |
| 173 |
* @param bool $shared |
| 174 |
* @return void |
| 175 |
*/ |
| 176 |
public function bind($abstract, $concrete = null, $shared = false) |
| 177 |
{ |
| 178 |
// If the given types are actually an array, we will assume an alias is being |
| 179 |
// defined and will grab this "real" abstract class name and register this |
| 180 |
// alias with the container so that it can be used as a shortcut for it. |
| 181 |
if (is_array($abstract)) { |
| 182 |
list($abstract, $alias) = $this->extractAlias($abstract); |
| 183 |
$this->alias($abstract, $alias); |
| 184 |
} |
| 185 |
|
| 186 |
// If no concrete type was given, we will simply set the concrete type to the |
| 187 |
// abstract type. This will allow concrete type to be registered as shared |
| 188 |
// without being forced to state their classes in both of the parameter. |
| 189 |
$this->dropStaleInstances($abstract); |
| 190 |
|
| 191 |
if (is_null($concrete)) { |
| 192 |
$concrete = $abstract; |
| 193 |
} |
| 194 |
|
| 195 |
// If the factory is not a Closure, it means it is just a class name which is |
| 196 |
// is bound into this container to the abstract type and we will just wrap |
| 197 |
// it up inside a Closure to make things more convenient when extending. |
| 198 |
if (!$concrete instanceof Closure) { |
| 199 |
$concrete = $this->getClosure($abstract, $concrete); |
| 200 |
} |
| 201 |
|
| 202 |
$this->bindings[$abstract] = compact('concrete', 'shared'); |
| 203 |
|
| 204 |
// If the abstract type was already resolved in this container we'll fire the |
| 205 |
// rebound listener so that any objects which have already gotten resolved |
| 206 |
// can have their copy of the object updated via the listener callbacks. |
| 207 |
if ($this->resolved($abstract)) { |
| 208 |
$this->rebound($abstract); |
| 209 |
} |
| 210 |
} |
| 211 |
|
| 212 |
/** |
| 213 |
* Get the Closure to be used when building a type. |
| 214 |
* |
| 215 |
* @param string $abstract |
| 216 |
* @param string $concrete |
| 217 |
* @return Closure |
| 218 |
*/ |
| 219 |
protected function getClosure($abstract, $concrete) |
| 220 |
{ |
| 221 |
return function ($c, $parameters = []) use($abstract, $concrete) { |
| 222 |
$method = $abstract == $concrete ? 'build' : 'make'; |
| 223 |
return $c->{$method}($concrete, $parameters); |
| 224 |
}; |
| 225 |
} |
| 226 |
|
| 227 |
/** |
| 228 |
* Add a contextual binding to the container. |
| 229 |
* |
| 230 |
* @param string $concrete |
| 231 |
* @param string $abstract |
| 232 |
* @param Closure|string $implementation |
| 233 |
*/ |
| 234 |
public function addContextualBinding($concrete, $abstract, $implementation) |
| 235 |
{ |
| 236 |
$this->contextual[$concrete][$abstract] = $implementation; |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* Register a binding if it hasn't already been registered. |
| 241 |
* |
| 242 |
* @param string $abstract |
| 243 |
* @param Closure|string|null $concrete |
| 244 |
* @param bool $shared |
| 245 |
* @return void |
| 246 |
*/ |
| 247 |
public function bindIf($abstract, $concrete = null, $shared = false) |
| 248 |
{ |
| 249 |
if (!$this->bound($abstract)) { |
| 250 |
$this->bind($abstract, $concrete, $shared); |
| 251 |
} |
| 252 |
} |
| 253 |
|
| 254 |
/** |
| 255 |
* Register a shared binding in the container. |
| 256 |
* |
| 257 |
* @param string $abstract |
| 258 |
* @param Closure|string|null $concrete |
| 259 |
* @return void |
| 260 |
*/ |
| 261 |
public function singleton($abstract, $concrete = null) |
| 262 |
{ |
| 263 |
$this->bind($abstract, $concrete, true); |
| 264 |
} |
| 265 |
|
| 266 |
/** |
| 267 |
* Wrap a Closure such that it is shared. |
| 268 |
* |
| 269 |
* @param Closure $closure |
| 270 |
* @return Closure |
| 271 |
*/ |
| 272 |
public function share(Closure $closure) |
| 273 |
{ |
| 274 |
return function ($container) use($closure) { |
| 275 |
// We'll simply declare a static variable within the Closures and if it has |
| 276 |
// not been set we will execute the given Closures to resolve this value |
| 277 |
// and return it back to these consumers of the method as an instance. |
| 278 |
static $object; |
| 279 |
|
| 280 |
if (is_null($object)) { |
| 281 |
$object = $closure($container); |
| 282 |
} |
| 283 |
|
| 284 |
return $object; |
| 285 |
}; |
| 286 |
} |
| 287 |
|
| 288 |
/** |
| 289 |
* Bind a shared Closure into the container. |
| 290 |
* |
| 291 |
* @param string $abstract |
| 292 |
* @param Closure $closure |
| 293 |
* @return void |
| 294 |
*/ |
| 295 |
public function bindShared($abstract, Closure $closure) |
| 296 |
{ |
| 297 |
$this->bind($abstract, $this->share($closure), true); |
| 298 |
} |
| 299 |
|
| 300 |
/** |
| 301 |
* "Extend" an abstract type in the container. |
| 302 |
* |
| 303 |
* @param string $abstract |
| 304 |
* @param Closure $closure |
| 305 |
* @return void |
| 306 |
* |
| 307 |
* @throws \InvalidArgumentException |
| 308 |
*/ |
| 309 |
public function extend($abstract, Closure $closure) |
| 310 |
{ |
| 311 |
if (isset($this->instances[$abstract])) { |
| 312 |
$this->instances[$abstract] = $closure($this->instances[$abstract], $this); |
| 313 |
$this->rebound($abstract); |
| 314 |
} else { |
| 315 |
$this->extenders[$abstract][] = $closure; |
| 316 |
} |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Register an existing instance as shared in the container. |
| 321 |
* |
| 322 |
* @param string $abstract |
| 323 |
* @param mixed $instance |
| 324 |
* @return void |
| 325 |
*/ |
| 326 |
public function instance($abstract, $instance) |
| 327 |
{ |
| 328 |
// First, we will extract the alias from the abstract if it is an array so we |
| 329 |
// are using the correct name when binding the type. If we get an alias it |
| 330 |
// will be registered with the container so we can resolve it out later. |
| 331 |
if (is_array($abstract)) { |
| 332 |
list($abstract, $alias) = $this->extractAlias($abstract); |
| 333 |
$this->alias($abstract, $alias); |
| 334 |
} |
| 335 |
|
| 336 |
unset($this->aliases[$abstract]); |
| 337 |
|
| 338 |
// We'll check to determine if this type has been bound before, and if it has |
| 339 |
// we will fire the rebound callbacks registered with the container and it |
| 340 |
// can be updated with consuming classes that have gotten resolved here. |
| 341 |
$bound = $this->bound($abstract); |
| 342 |
|
| 343 |
$this->instances[$abstract] = $instance; |
| 344 |
|
| 345 |
if ($bound) { |
| 346 |
$this->rebound($abstract); |
| 347 |
} |
| 348 |
} |
| 349 |
|
| 350 |
/** |
| 351 |
* Assign a set of tags to a given binding. |
| 352 |
* |
| 353 |
* @param array|string $abstracts |
| 354 |
* @param array|mixed ...$tags |
| 355 |
* @return void |
| 356 |
*/ |
| 357 |
public function tag($abstracts, $tags) |
| 358 |
{ |
| 359 |
$tags = is_array($tags) ? $tags : array_slice(func_get_args(), 1); |
| 360 |
|
| 361 |
foreach ($tags as $tag) { |
| 362 |
|
| 363 |
if (!isset($this->tags[$tag])) { |
| 364 |
$this->tags[$tag] = []; |
| 365 |
} |
| 366 |
|
| 367 |
foreach ((array) $abstracts as $abstract) { |
| 368 |
$this->tags[$tag][] = $abstract; |
| 369 |
} |
| 370 |
} |
| 371 |
} |
| 372 |
|
| 373 |
/** |
| 374 |
* Resolve all of the bindings for a given tag. |
| 375 |
* |
| 376 |
* @param string $tag |
| 377 |
* @return array |
| 378 |
*/ |
| 379 |
public function tagged($tag) |
| 380 |
{ |
| 381 |
$results = []; |
| 382 |
|
| 383 |
if (isset($this->tags[$tag])) { |
| 384 |
foreach ($this->tags[$tag] as $abstract) { |
| 385 |
$results[] = $this->make($abstract); |
| 386 |
} |
| 387 |
} |
| 388 |
|
| 389 |
return $results; |
| 390 |
} |
| 391 |
|
| 392 |
/** |
| 393 |
* Alias a type to a different name. |
| 394 |
* |
| 395 |
* @param string $abstract |
| 396 |
* @param string $alias |
| 397 |
* @return void |
| 398 |
*/ |
| 399 |
public function alias($abstract, $alias) |
| 400 |
{ |
| 401 |
$this->aliases[$alias] = $abstract; |
| 402 |
} |
| 403 |
|
| 404 |
/** |
| 405 |
* Extract the type and alias from a given definition. |
| 406 |
* |
| 407 |
* @param array $definition |
| 408 |
* @return array |
| 409 |
*/ |
| 410 |
protected function extractAlias(array $definition) |
| 411 |
{ |
| 412 |
return [key($definition), current($definition)]; |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Bind a new callback to an abstract's rebind event. |
| 417 |
* |
| 418 |
* @param string $abstract |
| 419 |
* @param Closure $callback |
| 420 |
* @return mixed |
| 421 |
*/ |
| 422 |
public function rebinding($abstract, Closure $callback) |
| 423 |
{ |
| 424 |
$this->reboundCallbacks[$abstract][] = $callback; |
| 425 |
|
| 426 |
if ($this->bound($abstract)) { |
| 427 |
return $this->make($abstract); |
| 428 |
} |
| 429 |
} |
| 430 |
|
| 431 |
/** |
| 432 |
* Refresh an instance on the given target and method. |
| 433 |
* |
| 434 |
* @param string $abstract |
| 435 |
* @param mixed $target |
| 436 |
* @param string $method |
| 437 |
* @return mixed |
| 438 |
*/ |
| 439 |
public function refresh($abstract, $target, $method) |
| 440 |
{ |
| 441 |
return $this->rebinding($abstract, function ($app, $instance) use($target, $method) { |
| 442 |
$target->{$method}($instance); |
| 443 |
}); |
| 444 |
} |
| 445 |
|
| 446 |
/** |
| 447 |
* Fire the "rebound" callbacks for the given abstract type. |
| 448 |
* |
| 449 |
* @param string $abstract |
| 450 |
* @return void |
| 451 |
*/ |
| 452 |
protected function rebound($abstract) |
| 453 |
{ |
| 454 |
$instance = $this->make($abstract); |
| 455 |
|
| 456 |
foreach ($this->getReboundCallbacks($abstract) as $callback) { |
| 457 |
call_user_func($callback, $this, $instance); |
| 458 |
} |
| 459 |
} |
| 460 |
|
| 461 |
/** |
| 462 |
* Get the rebound callbacks for a given type. |
| 463 |
* |
| 464 |
* @param string $abstract |
| 465 |
* @return array |
| 466 |
*/ |
| 467 |
protected function getReboundCallbacks($abstract) |
| 468 |
{ |
| 469 |
if (isset($this->reboundCallbacks[$abstract])) { |
| 470 |
return $this->reboundCallbacks[$abstract]; |
| 471 |
} |
| 472 |
|
| 473 |
return []; |
| 474 |
} |
| 475 |
|
| 476 |
/** |
| 477 |
* Wrap the given closure such that its dependencies will be injected when executed. |
| 478 |
* |
| 479 |
* @param Closure $callback |
| 480 |
* @param array $parameters |
| 481 |
* @return Closure |
| 482 |
*/ |
| 483 |
public function wrap(Closure $callback, array $parameters = []) |
| 484 |
{ |
| 485 |
return function () use($callback, $parameters) { |
| 486 |
return $this->call($callback, $parameters); |
| 487 |
}; |
| 488 |
} |
| 489 |
|
| 490 |
/** |
| 491 |
* Call the given Closure / class@method and inject its dependencies. |
| 492 |
* |
| 493 |
* @param callable|string $callback |
| 494 |
* @param array $parameters |
| 495 |
* @param string|null $defaultMethod |
| 496 |
* @return mixed |
| 497 |
*/ |
| 498 |
public function call($callback, array $parameters = [], $defaultMethod = null) |
| 499 |
{ |
| 500 |
if ($this->isCallableWithAtSign($callback) || $defaultMethod) { |
| 501 |
return $this->callClass($callback, $parameters, $defaultMethod); |
| 502 |
} |
| 503 |
|
| 504 |
$dependencies = $this->getMethodDependencies($callback, $parameters); |
| 505 |
|
| 506 |
return call_user_func_array($callback, $dependencies); |
| 507 |
} |
| 508 |
|
| 509 |
/** |
| 510 |
* Determine if the given string is in Class@method syntax. |
| 511 |
* |
| 512 |
* @param mixed $callback |
| 513 |
* @return bool |
| 514 |
*/ |
| 515 |
protected function isCallableWithAtSign($callback) |
| 516 |
{ |
| 517 |
if (!is_string($callback)) { |
| 518 |
return false; |
| 519 |
} |
| 520 |
|
| 521 |
return strpos($callback, '@') !== false; |
| 522 |
} |
| 523 |
|
| 524 |
/** |
| 525 |
* Get all dependencies for a given method. |
| 526 |
* |
| 527 |
* @param callable|string $callback |
| 528 |
* @param array $parameters |
| 529 |
* @return array |
| 530 |
*/ |
| 531 |
protected function getMethodDependencies($callback, $parameters = []) |
| 532 |
{ |
| 533 |
$dependencies = []; |
| 534 |
|
| 535 |
foreach ($this->getCallReflector($callback)->getParameters() as $key => $parameter) { |
| 536 |
$this->addDependencyForCallParameter($parameter, $parameters, $dependencies); |
| 537 |
} |
| 538 |
|
| 539 |
return array_values( |
| 540 |
array_filter( |
| 541 |
array_merge($dependencies, $parameters) |
| 542 |
) |
| 543 |
); |
| 544 |
} |
| 545 |
|
| 546 |
/** |
| 547 |
* Get the proper reflection instance for the given callback. |
| 548 |
* |
| 549 |
* @param callable|string $callback |
| 550 |
* @return ReflectionFunctionAbstract |
| 551 |
*/ |
| 552 |
protected function getCallReflector($callback) |
| 553 |
{ |
| 554 |
if (is_string($callback) && strpos($callback, '::') !== false) { |
| 555 |
$callback = \explode('::', $callback); |
| 556 |
} |
| 557 |
|
| 558 |
if (is_array($callback)) { |
| 559 |
return new ReflectionMethod($callback[0], $callback[1]); |
| 560 |
} |
| 561 |
|
| 562 |
return new ReflectionFunction($callback); |
| 563 |
} |
| 564 |
|
| 565 |
/** |
| 566 |
* Get the dependency for the given call parameter. |
| 567 |
* |
| 568 |
* @param ReflectionParameter $parameter |
| 569 |
* @param array $parameters |
| 570 |
* @param array $dependencies |
| 571 |
* @return mixed |
| 572 |
*/ |
| 573 |
protected function addDependencyForCallParameter(ReflectionParameter $parameter, array &$parameters, &$dependencies) |
| 574 |
{ |
| 575 |
if (array_key_exists($parameter->name, $parameters)) { |
| 576 |
$dependencies[] = $parameters[$parameter->name]; |
| 577 |
unset($parameters[$parameter->name]); |
| 578 |
} elseif ($this->getParameterType($parameter)) { |
| 579 |
$dependencies[] = $this->make($this->getParameterName($parameter)); |
| 580 |
} elseif ($parameter->isDefaultValueAvailable()) { |
| 581 |
$dependencies[] = $parameter->getDefaultValue(); |
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
/** |
| 586 |
* Get the parameter type for the given parameter. |
| 587 |
* |
| 588 |
* @return object ReflectionClass|ReflectionNamedType |
| 589 |
*/ |
| 590 |
protected function getParameterType($parameter) |
| 591 |
{ |
| 592 |
if (method_exists($parameter, 'getType')) { |
| 593 |
return $parameter->getType(); |
| 594 |
} |
| 595 |
|
| 596 |
return $parameter->getClass(); |
| 597 |
} |
| 598 |
|
| 599 |
/** |
| 600 |
* Get the parameter name for the given parameter. |
| 601 |
* |
| 602 |
* @return string |
| 603 |
*/ |
| 604 |
protected function getParameterName($parameter) |
| 605 |
{ |
| 606 |
$parameterType = $this->getParameterType($parameter); |
| 607 |
|
| 608 |
if (property_exists($parameterType, 'name')) { |
| 609 |
return $parameterType->name; |
| 610 |
} |
| 611 |
|
| 612 |
return $parameterType->getName(); |
| 613 |
} |
| 614 |
|
| 615 |
/** |
| 616 |
* Call a string reference to a class using Class@method syntax. |
| 617 |
* |
| 618 |
* @param string $target |
| 619 |
* @param array $parameters |
| 620 |
* @param string|null $defaultMethod |
| 621 |
* @return mixed |
| 622 |
*/ |
| 623 |
protected function callClass($target, array $parameters = [], $defaultMethod = null) |
| 624 |
{ |
| 625 |
$segments = explode('@', $target); |
| 626 |
|
| 627 |
// If the listener has an @ sign, we will assume it is being used to delimit |
| 628 |
// the class name from the handle method name. This allows for handlers |
| 629 |
// to run multiple handler methods in a single class for convenience. |
| 630 |
$method = count($segments) == 2 ? $segments[1] : $defaultMethod; |
| 631 |
|
| 632 |
if (is_null($method)) { |
| 633 |
throw new InvalidArgumentException("Method not provided."); |
| 634 |
} |
| 635 |
|
| 636 |
return $this->call([$this->make($segments[0]), $method], $parameters); |
| 637 |
} |
| 638 |
|
| 639 |
/** |
| 640 |
* Resolve the given type from the container. |
| 641 |
* |
| 642 |
* @param string $abstract |
| 643 |
* @param array $parameters |
| 644 |
* @return mixed |
| 645 |
*/ |
| 646 |
public function make($abstract, $parameters = []) |
| 647 |
{ |
| 648 |
$abstract = $this->getAlias($abstract); |
| 649 |
|
| 650 |
// If an instance of the type is currently being managed as a singleton we'll |
| 651 |
// just return an existing instance instead of instantiating new instances |
| 652 |
// so the developer can keep using the same objects instance every time. |
| 653 |
if (isset($this->instances[$abstract])) { |
| 654 |
return $this->instances[$abstract]; |
| 655 |
} |
| 656 |
|
| 657 |
$concrete = $this->getConcrete($abstract); |
| 658 |
|
| 659 |
// We're ready to instantiate an instance of the concrete type registered for |
| 660 |
// the binding. This will instantiate the types, as well as resolve any of |
| 661 |
// its "nested" dependencies recursively until all have gotten resolved. |
| 662 |
if ($this->isBuildable($concrete, $abstract)) { |
| 663 |
$object = $this->build($concrete, $parameters); |
| 664 |
} else { |
| 665 |
$object = $this->make($concrete, $parameters); |
| 666 |
} |
| 667 |
|
| 668 |
// If we defined any extenders for this type, we'll need to spin through them |
| 669 |
// and apply them to the object being built. This allows for the extension |
| 670 |
// of services, such as changing configuration or decorating the object. |
| 671 |
foreach ($this->getExtenders($abstract) as $extender) { |
| 672 |
$object = $extender($object, $this); |
| 673 |
} |
| 674 |
|
| 675 |
// If the requested type is registered as a singleton we'll want to cache off |
| 676 |
// the instances in "memory" so we can return it later without creating an |
| 677 |
// entirely new instance of an object on each subsequent request for it. |
| 678 |
if ($this->isShared($abstract)) { |
| 679 |
$this->instances[$abstract] = $object; |
| 680 |
} |
| 681 |
|
| 682 |
$this->fireResolvingCallbacks($abstract, $object); |
| 683 |
|
| 684 |
$this->resolved[$abstract] = true; |
| 685 |
|
| 686 |
return $object; |
| 687 |
} |
| 688 |
|
| 689 |
/** |
| 690 |
* Get the concrete type for a given abstract. |
| 691 |
* |
| 692 |
* @param string $abstract |
| 693 |
* @return mixed $concrete |
| 694 |
*/ |
| 695 |
protected function getConcrete($abstract) |
| 696 |
{ |
| 697 |
if (!is_null($concrete = $this->getContextualConcrete($abstract))) { |
| 698 |
return $concrete; |
| 699 |
} |
| 700 |
|
| 701 |
// If we don't have a registered resolver or concrete for the type, we'll just |
| 702 |
// assume each type is a concrete name and will attempt to resolve it as is |
| 703 |
// since the container should be able to resolve concretes automatically. |
| 704 |
if (!isset($this->bindings[$abstract])) { |
| 705 |
if ($this->missingLeadingSlash($abstract) && isset($this->bindings['\\' . $abstract])) { |
| 706 |
$abstract = '\\' . $abstract; |
| 707 |
} |
| 708 |
return $abstract; |
| 709 |
} |
| 710 |
|
| 711 |
return $this->bindings[$abstract]['concrete']; |
| 712 |
} |
| 713 |
|
| 714 |
/** |
| 715 |
* Get the contextual concrete binding for the given abstract. |
| 716 |
* |
| 717 |
* @param string $abstract |
| 718 |
* @return string |
| 719 |
*/ |
| 720 |
protected function getContextualConcrete($abstract) |
| 721 |
{ |
| 722 |
if (isset($this->contextual[end($this->buildStack)][$abstract])) { |
| 723 |
return $this->contextual[end($this->buildStack)][$abstract]; |
| 724 |
} |
| 725 |
} |
| 726 |
|
| 727 |
/** |
| 728 |
* Determine if the given abstract has a leading slash. |
| 729 |
* |
| 730 |
* @param string $abstract |
| 731 |
* @return bool |
| 732 |
*/ |
| 733 |
protected function missingLeadingSlash($abstract) |
| 734 |
{ |
| 735 |
return is_string($abstract) && strpos($abstract, '\\') !== 0; |
| 736 |
} |
| 737 |
|
| 738 |
/** |
| 739 |
* Get the extender callbacks for a given type. |
| 740 |
* |
| 741 |
* @param string $abstract |
| 742 |
* @return array |
| 743 |
*/ |
| 744 |
protected function getExtenders($abstract) |
| 745 |
{ |
| 746 |
if (isset($this->extenders[$abstract])) { |
| 747 |
return $this->extenders[$abstract]; |
| 748 |
} |
| 749 |
|
| 750 |
return []; |
| 751 |
} |
| 752 |
|
| 753 |
/** |
| 754 |
* Instantiate a concrete instance of the given type. |
| 755 |
* |
| 756 |
* @param string $concrete |
| 757 |
* @param array $parameters |
| 758 |
* @return mixed |
| 759 |
* |
| 760 |
* @throws BindingResolutionException |
| 761 |
*/ |
| 762 |
public function build($concrete, $parameters = []) |
| 763 |
{ |
| 764 |
// If the concrete type is actually a Closure, we will just execute it and |
| 765 |
// hand back the results of the functions, which allows functions to be |
| 766 |
// used as resolvers for more fine-tuned resolution of these objects. |
| 767 |
if ($concrete instanceof Closure) { |
| 768 |
return $concrete($this, $parameters); |
| 769 |
} |
| 770 |
|
| 771 |
$reflector = new ReflectionClass($concrete); |
| 772 |
|
| 773 |
// If the type is not instantiable, the developer is attempting to resolve |
| 774 |
// an abstract type such as an Interface of Abstract Class and there is |
| 775 |
// no binding registered for the abstractions so we need to bail out. |
| 776 |
if (!$reflector->isInstantiable()) { |
| 777 |
$message = "Target [{$concrete}] is not instantiable."; |
| 778 |
throw new BindingResolutionException($message); |
| 779 |
} |
| 780 |
|
| 781 |
$this->buildStack[] = $concrete; |
| 782 |
|
| 783 |
$constructor = $reflector->getConstructor(); |
| 784 |
|
| 785 |
// If there are no constructors, that means there are no dependencies then |
| 786 |
// we can just resolve the instances of the objects right away, without |
| 787 |
// resolving any other types or dependencies out of these containers. |
| 788 |
if (is_null($constructor)) { |
| 789 |
array_pop($this->buildStack); |
| 790 |
return new $concrete(); |
| 791 |
} |
| 792 |
|
| 793 |
$dependencies = $constructor->getParameters(); |
| 794 |
|
| 795 |
// Once we have all the constructor's parameters we can create each of the |
| 796 |
// dependency instances and then use the reflection instances to make a |
| 797 |
// new instance of this class, injecting the created dependencies in. |
| 798 |
$parameters = $this->keyParametersByArgument($dependencies, $parameters); |
| 799 |
|
| 800 |
$instances = $this->getDependencies($dependencies, $parameters); |
| 801 |
|
| 802 |
array_pop($this->buildStack); |
| 803 |
|
| 804 |
return $reflector->newInstanceArgs($instances); |
| 805 |
} |
| 806 |
|
| 807 |
/** |
| 808 |
* Resolve all of the dependencies from the ReflectionParameters. |
| 809 |
* |
| 810 |
* @param array $parameters |
| 811 |
* @param array $primitives |
| 812 |
* @return array |
| 813 |
*/ |
| 814 |
protected function getDependencies($parameters, array $primitives = []) |
| 815 |
{ |
| 816 |
$dependencies = []; |
| 817 |
|
| 818 |
$types = ['bool', 'int', 'float', 'string', 'array', 'resource']; |
| 819 |
|
| 820 |
foreach ($parameters as $parameter) { |
| 821 |
|
| 822 |
if ($dependency = $this->getParameterType($parameter)) { |
| 823 |
$dependency = $dependency->getName(); |
| 824 |
if ($dependency && in_array($dependency, $types)) { |
| 825 |
$dependency = null; |
| 826 |
} |
| 827 |
} |
| 828 |
|
| 829 |
// If the class is null, it means the dependency is a string or some other |
| 830 |
// primitive type which we can not resolve since it is not a class and |
| 831 |
// we will just bomb out with an error since we have no-where to go. |
| 832 |
if (array_key_exists($parameter->name, $primitives)) { |
| 833 |
$dependencies[] = $primitives[$parameter->name]; |
| 834 |
} elseif (is_null($dependency)) { |
| 835 |
$dependencies[] = $this->resolveNonClass($parameter); |
| 836 |
} else { |
| 837 |
$dependencies[] = $this->resolveClass($parameter); |
| 838 |
} |
| 839 |
} |
| 840 |
|
| 841 |
return (array) $dependencies; |
| 842 |
} |
| 843 |
|
| 844 |
/** |
| 845 |
* Resolve a non-class hinted dependency. |
| 846 |
* |
| 847 |
* @param ReflectionParameter $parameter |
| 848 |
* @return mixed |
| 849 |
* |
| 850 |
* @throws BindingResolutionException |
| 851 |
*/ |
| 852 |
protected function resolveNonClass(ReflectionParameter $parameter) |
| 853 |
{ |
| 854 |
if ($parameter->isDefaultValueAvailable()) { |
| 855 |
return $parameter->getDefaultValue(); |
| 856 |
} |
| 857 |
|
| 858 |
$message = "Unresolvable dependency resolving [{$parameter}] in class {$parameter->getDeclaringClass()->getName()}"; |
| 859 |
|
| 860 |
throw new BindingResolutionException($message); |
| 861 |
} |
| 862 |
|
| 863 |
/** |
| 864 |
* Resolve a class based dependency from the container. |
| 865 |
* |
| 866 |
* @param ReflectionParameter $parameter |
| 867 |
* @return mixed |
| 868 |
* |
| 869 |
* @throws BindingResolutionException |
| 870 |
*/ |
| 871 |
protected function resolveClass(ReflectionParameter $parameter) |
| 872 |
{ |
| 873 |
try { |
| 874 |
return $this->make($this->getParameterName($parameter)); |
| 875 |
} catch (BindingResolutionException $e) { |
| 876 |
if ($parameter->isOptional()) { |
| 877 |
return $parameter->getDefaultValue(); |
| 878 |
} |
| 879 |
|
| 880 |
throw $e; |
| 881 |
} |
| 882 |
} |
| 883 |
|
| 884 |
/** |
| 885 |
* If extra parameters are passed by numeric ID, rekey them by argument name. |
| 886 |
* |
| 887 |
* @param array $dependencies |
| 888 |
* @param array $parameters |
| 889 |
* @return array |
| 890 |
*/ |
| 891 |
protected function keyParametersByArgument(array $dependencies, array $parameters) |
| 892 |
{ |
| 893 |
foreach ($parameters as $key => $value) { |
| 894 |
if (is_numeric($key)) { |
| 895 |
unset($parameters[$key]); |
| 896 |
$parameters[$dependencies[$key]->name] = $value; |
| 897 |
} |
| 898 |
} |
| 899 |
|
| 900 |
return $parameters; |
| 901 |
} |
| 902 |
|
| 903 |
/** |
| 904 |
* Register a new resolving callback. |
| 905 |
* |
| 906 |
* @param string $abstract |
| 907 |
* @param Closure $callback |
| 908 |
* @return void |
| 909 |
*/ |
| 910 |
public function resolving($abstract, Closure $callback = null) |
| 911 |
{ |
| 912 |
if ($callback === null && $abstract instanceof Closure) { |
| 913 |
$this->resolvingCallback($abstract); |
| 914 |
} else { |
| 915 |
$this->resolvingCallbacks[$abstract][] = $callback; |
| 916 |
} |
| 917 |
} |
| 918 |
|
| 919 |
/** |
| 920 |
* Register a new after resolving callback for all types. |
| 921 |
* |
| 922 |
* @param string $abstract |
| 923 |
* @param Closure $callback |
| 924 |
* @return void |
| 925 |
*/ |
| 926 |
public function afterResolving($abstract, Closure $callback = null) |
| 927 |
{ |
| 928 |
if ($abstract instanceof Closure && $callback === null) { |
| 929 |
$this->afterResolvingCallback($abstract); |
| 930 |
} else { |
| 931 |
$this->afterResolvingCallbacks[$abstract][] = $callback; |
| 932 |
} |
| 933 |
} |
| 934 |
|
| 935 |
/** |
| 936 |
* Register a new resolving callback by type of its first argument. |
| 937 |
* |
| 938 |
* @param Closure $callback |
| 939 |
* @return void |
| 940 |
*/ |
| 941 |
protected function resolvingCallback(Closure $callback) |
| 942 |
{ |
| 943 |
$abstract = $this->getFunctionHint($callback); |
| 944 |
|
| 945 |
if ($abstract) { |
| 946 |
$this->resolvingCallbacks[$abstract][] = $callback; |
| 947 |
} else { |
| 948 |
$this->globalResolvingCallbacks[] = $callback; |
| 949 |
} |
| 950 |
} |
| 951 |
|
| 952 |
/** |
| 953 |
* Register a new after resolving callback by type of its first argument. |
| 954 |
* |
| 955 |
* @param Closure $callback |
| 956 |
* @return void |
| 957 |
*/ |
| 958 |
protected function afterResolvingCallback(Closure $callback) |
| 959 |
{ |
| 960 |
$abstract = $this->getFunctionHint($callback); |
| 961 |
|
| 962 |
if ($abstract) { |
| 963 |
$this->afterResolvingCallbacks[$abstract][] = $callback; |
| 964 |
} else { |
| 965 |
$this->globalAfterResolvingCallbacks[] = $callback; |
| 966 |
} |
| 967 |
} |
| 968 |
|
| 969 |
/** |
| 970 |
* Get the type hint for this closure's first argument. |
| 971 |
* |
| 972 |
* @param Closure $callback |
| 973 |
* @return mixed |
| 974 |
*/ |
| 975 |
protected function getFunctionHint(Closure $callback) |
| 976 |
{ |
| 977 |
$function = new ReflectionFunction($callback); |
| 978 |
|
| 979 |
if ($function->getNumberOfParameters() == 0) { |
| 980 |
return; |
| 981 |
} |
| 982 |
|
| 983 |
$expected = $function->getParameters()[0]; |
| 984 |
|
| 985 |
if (!$expected->getClass()) { |
| 986 |
return; |
| 987 |
} |
| 988 |
|
| 989 |
return $expected->getClass()->name; |
| 990 |
} |
| 991 |
|
| 992 |
/** |
| 993 |
* Fire all of the resolving callbacks. |
| 994 |
* |
| 995 |
* @param string $abstract |
| 996 |
* @param mixed $object |
| 997 |
* @return void |
| 998 |
*/ |
| 999 |
protected function fireResolvingCallbacks($abstract, $object) |
| 1000 |
{ |
| 1001 |
$this->fireCallbackArray($object, $this->globalResolvingCallbacks); |
| 1002 |
$this->fireCallbackArray($object, $this->getCallbacksForType($abstract, $object, $this->resolvingCallbacks)); |
| 1003 |
$this->fireCallbackArray($object, $this->globalAfterResolvingCallbacks); |
| 1004 |
$this->fireCallbackArray($object, $this->getCallbacksForType($abstract, $object, $this->afterResolvingCallbacks)); |
| 1005 |
} |
| 1006 |
|
| 1007 |
/** |
| 1008 |
* Get all callbacks for a given type. |
| 1009 |
* |
| 1010 |
* @param string $abstract |
| 1011 |
* @param object $object |
| 1012 |
* @param array $callbacksPerType |
| 1013 |
* |
| 1014 |
* @return array |
| 1015 |
*/ |
| 1016 |
protected function getCallbacksForType($abstract, $object, array $callbacksPerType) |
| 1017 |
{ |
| 1018 |
$results = []; |
| 1019 |
|
| 1020 |
foreach ($callbacksPerType as $type => $callbacks) { |
| 1021 |
if ($type === $abstract || $object instanceof $type) { |
| 1022 |
$results = array_merge($results, $callbacks); |
| 1023 |
} |
| 1024 |
} |
| 1025 |
|
| 1026 |
return $results; |
| 1027 |
} |
| 1028 |
|
| 1029 |
/** |
| 1030 |
* Fire an array of callbacks with an object. |
| 1031 |
* |
| 1032 |
* @param mixed $object |
| 1033 |
* @param array $callbacks |
| 1034 |
*/ |
| 1035 |
protected function fireCallbackArray($object, array $callbacks) |
| 1036 |
{ |
| 1037 |
foreach ($callbacks as $callback) { |
| 1038 |
$callback($object, $this); |
| 1039 |
} |
| 1040 |
} |
| 1041 |
|
| 1042 |
/** |
| 1043 |
* Determine if a given type is shared. |
| 1044 |
* |
| 1045 |
* @param string $abstract |
| 1046 |
* @return bool |
| 1047 |
*/ |
| 1048 |
public function isShared($abstract) |
| 1049 |
{ |
| 1050 |
if (isset($this->bindings[$abstract]['shared'])) { |
| 1051 |
$shared = $this->bindings[$abstract]['shared']; |
| 1052 |
} else { |
| 1053 |
$shared = false; |
| 1054 |
} |
| 1055 |
|
| 1056 |
return isset($this->instances[$abstract]) || $shared === true; |
| 1057 |
} |
| 1058 |
|
| 1059 |
/** |
| 1060 |
* Determine if the given concrete is buildable. |
| 1061 |
* |
| 1062 |
* @param mixed $concrete |
| 1063 |
* @param string $abstract |
| 1064 |
* @return bool |
| 1065 |
*/ |
| 1066 |
protected function isBuildable($concrete, $abstract) |
| 1067 |
{ |
| 1068 |
return $concrete === $abstract || $concrete instanceof Closure; |
| 1069 |
} |
| 1070 |
|
| 1071 |
/** |
| 1072 |
* Get the alias for an abstract if available. |
| 1073 |
* |
| 1074 |
* @param string $abstract |
| 1075 |
* @return string |
| 1076 |
*/ |
| 1077 |
protected function getAlias($abstract) |
| 1078 |
{ |
| 1079 |
return isset($this->aliases[$abstract]) ? $this->aliases[$abstract] : $abstract; |
| 1080 |
} |
| 1081 |
|
| 1082 |
/** |
| 1083 |
* Get the container's bindings. |
| 1084 |
* |
| 1085 |
* @return array |
| 1086 |
*/ |
| 1087 |
public function getBindings() |
| 1088 |
{ |
| 1089 |
return $this->bindings; |
| 1090 |
} |
| 1091 |
|
| 1092 |
/** |
| 1093 |
* Drop all of the stale instances and aliases. |
| 1094 |
* |
| 1095 |
* @param string $abstract |
| 1096 |
* @return void |
| 1097 |
*/ |
| 1098 |
protected function dropStaleInstances($abstract) |
| 1099 |
{ |
| 1100 |
unset($this->instances[$abstract], $this->aliases[$abstract]); |
| 1101 |
} |
| 1102 |
|
| 1103 |
/** |
| 1104 |
* Remove a resolved instance from the instance cache. |
| 1105 |
* |
| 1106 |
* @param string $abstract |
| 1107 |
* @return void |
| 1108 |
*/ |
| 1109 |
public function forgetInstance($abstract) |
| 1110 |
{ |
| 1111 |
unset($this->instances[$abstract]); |
| 1112 |
} |
| 1113 |
|
| 1114 |
/** |
| 1115 |
* Clear all of the instances from the container. |
| 1116 |
* |
| 1117 |
* @return void |
| 1118 |
*/ |
| 1119 |
public function forgetInstances() |
| 1120 |
{ |
| 1121 |
$this->instances = []; |
| 1122 |
} |
| 1123 |
|
| 1124 |
/** |
| 1125 |
* Flush the container of all bindings and resolved instances. |
| 1126 |
* |
| 1127 |
* @return void |
| 1128 |
*/ |
| 1129 |
public function flush() |
| 1130 |
{ |
| 1131 |
$this->aliases = []; |
| 1132 |
$this->resolved = []; |
| 1133 |
$this->bindings = []; |
| 1134 |
$this->instances = []; |
| 1135 |
} |
| 1136 |
|
| 1137 |
/** |
| 1138 |
* Set the globally available instance of the container. |
| 1139 |
* |
| 1140 |
* @return static |
| 1141 |
*/ |
| 1142 |
public static function getInstance() |
| 1143 |
{ |
| 1144 |
return static::$instance; |
| 1145 |
} |
| 1146 |
|
| 1147 |
/** |
| 1148 |
* Set the shared instance of the container. |
| 1149 |
* |
| 1150 |
* @param FluentForm\Framework\Foundation\Container $container |
| 1151 |
* @return void |
| 1152 |
*/ |
| 1153 |
public static function setInstance(ContainerContract $container) |
| 1154 |
{ |
| 1155 |
static::$instance = $container; |
| 1156 |
} |
| 1157 |
|
| 1158 |
/** |
| 1159 |
* Determine if a given offset exists. |
| 1160 |
* |
| 1161 |
* @param string $key |
| 1162 |
* @return bool |
| 1163 |
*/ |
| 1164 |
#[\ReturnTypeWillChange] |
| 1165 |
public function offsetExists($key) |
| 1166 |
{ |
| 1167 |
return isset($this->bindings[$key]); |
| 1168 |
} |
| 1169 |
|
| 1170 |
/** |
| 1171 |
* Get the value at a given offset. |
| 1172 |
* |
| 1173 |
* @param string $key |
| 1174 |
* @return mixed |
| 1175 |
*/ |
| 1176 |
#[\ReturnTypeWillChange] |
| 1177 |
public function offsetGet($key) |
| 1178 |
{ |
| 1179 |
return $this->make($key); |
| 1180 |
} |
| 1181 |
|
| 1182 |
/** |
| 1183 |
* Set the value at a given offset. |
| 1184 |
* |
| 1185 |
* @param string $key |
| 1186 |
* @param mixed $value |
| 1187 |
* @return void |
| 1188 |
*/ |
| 1189 |
#[\ReturnTypeWillChange] |
| 1190 |
public function offsetSet($key, $value) |
| 1191 |
{ |
| 1192 |
// If the value is not a Closure, we will make it one. This simply gives |
| 1193 |
// more "drop-in" replacement functionality for the Pimple which this |
| 1194 |
// container's simplest functions are base modeled and built after. |
| 1195 |
if (!$value instanceof Closure) { |
| 1196 |
$value = function () use($value) { |
| 1197 |
return $value; |
| 1198 |
}; |
| 1199 |
} |
| 1200 |
|
| 1201 |
$this->bind($key, $value); |
| 1202 |
} |
| 1203 |
|
| 1204 |
/** |
| 1205 |
* Unset the value at a given offset. |
| 1206 |
* |
| 1207 |
* @param string $key |
| 1208 |
* @return void |
| 1209 |
*/ |
| 1210 |
#[\ReturnTypeWillChange] |
| 1211 |
public function offsetUnset($key) |
| 1212 |
{ |
| 1213 |
unset($this->bindings[$key], $this->instances[$key], $this->resolved[$key]); |
| 1214 |
} |
| 1215 |
|
| 1216 |
/** |
| 1217 |
* Dynamically access container services. |
| 1218 |
* |
| 1219 |
* @param string $key |
| 1220 |
* @return mixed |
| 1221 |
*/ |
| 1222 |
public function __get($key) |
| 1223 |
{ |
| 1224 |
return $this[$key]; |
| 1225 |
} |
| 1226 |
|
| 1227 |
/** |
| 1228 |
* Dynamically set container services. |
| 1229 |
* |
| 1230 |
* @param string $key |
| 1231 |
* @param mixed $value |
| 1232 |
* @return void |
| 1233 |
*/ |
| 1234 |
public function __set($key, $value) |
| 1235 |
{ |
| 1236 |
$this[$key] = $value; |
| 1237 |
} |
| 1238 |
} |
| 1239 |
|
| 1240 |
|
