117 lines
2.6 KiB
PHP
117 lines
2.6 KiB
PHP
<?php
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namespace Illuminate\Support\Traits;
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use BadMethodCallException;
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use Closure;
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use ReflectionClass;
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use ReflectionMethod;
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trait Macroable
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{
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/**
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* The registered string macros.
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*
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* @var array
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*/
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protected static $macros = [];
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/**
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* Register a custom macro.
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*
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* @param string $name
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* @param object|callable $macro
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* @return void
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*/
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public static function macro($name, $macro)
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{
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static::$macros[$name] = $macro;
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}
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/**
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* Mix another object into the class.
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*
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* @param object $mixin
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* @param bool $replace
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* @return void
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*
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* @throws \ReflectionException
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*/
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public static function mixin($mixin, $replace = true)
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{
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$methods = (new ReflectionClass($mixin))->getMethods(
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ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED
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);
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foreach ($methods as $method) {
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if ($replace || ! static::hasMacro($method->name)) {
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$method->setAccessible(true);
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static::macro($method->name, $method->invoke($mixin));
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}
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}
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}
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/**
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* Checks if macro is registered.
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*
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* @param string $name
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* @return bool
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*/
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public static function hasMacro($name)
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{
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return isset(static::$macros[$name]);
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}
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/**
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* Dynamically handle calls to the class.
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*
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* @param string $method
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* @param array $parameters
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* @return mixed
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*
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* @throws \BadMethodCallException
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*/
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public static function __callStatic($method, $parameters)
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{
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if (! static::hasMacro($method)) {
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throw new BadMethodCallException(sprintf(
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'Method %s::%s does not exist.', static::class, $method
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));
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}
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$macro = static::$macros[$method];
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if ($macro instanceof Closure) {
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$macro = $macro->bindTo(null, static::class);
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}
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return $macro(...$parameters);
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}
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/**
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* Dynamically handle calls to the class.
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*
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* @param string $method
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* @param array $parameters
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* @return mixed
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*
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* @throws \BadMethodCallException
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*/
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public function __call($method, $parameters)
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{
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if (! static::hasMacro($method)) {
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throw new BadMethodCallException(sprintf(
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'Method %s::%s does not exist.', static::class, $method
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));
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}
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$macro = static::$macros[$method];
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if ($macro instanceof Closure) {
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$macro = $macro->bindTo($this, static::class);
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}
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return $macro(...$parameters);
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}
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}
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