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<?php |
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namespace TheCodingMachine\Yaco\ServiceProvider; |
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use TheCodingMachine\Yaco\Definition\DumpableInterface; |
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use TheCodingMachine\Yaco\Definition\InlineEntry; |
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use TheCodingMachine\Yaco\Definition\InlineEntryInterface; |
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/** |
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* Wraps a definition into a callback (to lazy load it easily) |
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*/ |
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class CallbackWrapperDefinition implements DumpableInterface |
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{ |
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/** |
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* The identifier of the instance in the container. |
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* |
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* @var string|null |
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*/ |
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private $identifier; |
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/** |
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* @var DumpableInterface |
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*/ |
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private $wrappedDefinition; |
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/** |
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* @param null|string $identifier |
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* @param DumpableInterface $wrappedDefinition |
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*/ |
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public function __construct($identifier, DumpableInterface $wrappedDefinition) |
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{ |
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$this->identifier = $identifier; |
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$this->wrappedDefinition = $wrappedDefinition; |
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} |
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/** |
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* Returns the identifier for this object in the container. |
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* If null, classes consuming this definition should assume the definition must be inlined. |
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* |
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* @return string|null |
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*/ |
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public function getIdentifier() |
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{ |
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return $this->identifier; |
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} |
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/** |
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* Returns an InlineEntryInterface object representing the PHP code necessary to generate |
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* the container entry. |
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* |
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* @param string $containerVariable The name of the variable that allows access to the container instance. For instance: "$container", or "$this->container" |
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* @param array $usedVariables An array of variables that are already used and that should not be used when generating this code. |
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* |
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* @return InlineEntryInterface |
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*/ |
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public function toPhpCode($containerVariable, array $usedVariables = array()) |
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{ |
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$innerEntry = $this->wrappedDefinition->toPhpCode($containerVariable, $usedVariables); |
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$code = sprintf('function() use (%s) { |
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%s |
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return %s; |
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}', $containerVariable, $innerEntry->getStatements(), $innerEntry->getExpression()); |
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return new InlineEntry($code, null, $usedVariables); |
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} |
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} |
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thecodingmachine /
yaco-service-provider
