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24 lines
1.1 KiB
Text
24 lines
1.1 KiB
Text
A C++ dependency injection framework.
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The design and name are inspired by Google's excellent Guice framework,
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but neither Google nor Guice is otherwise affiliated in any way.
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In Sauce, one defines bindings that map interface types to
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implementation types. Each binding is declared in the context of a
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module which is used to organize and refer to collections of bindings
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at a time. Modules may be function pointers, or classes providing a
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certain operator(). Groups of modules may be used together, to avoid
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duplicate bindings.
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At runtime, one collects desired modules into a modules object, which
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produces injectors. One can then ask an injector to provide a value
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(instance) of a desired type (again supplied as a template parameter.)
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When providing a value, implicit transitive dependencies are provided
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as well. All values are exchanged with shared pointers
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((std|std::tr1|boost)::shared_ptrs are supported) and the injector
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takes care of disposing the value when the smart pointer deletes
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itself.
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Requesting the injector for an unbound type results in a runtime
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exception. No RTTI is used (but we use a portable, homebrew version
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of same.)
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