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// // DO NOT EDIT. THIS FILE IS GENERATED FROM ../../../dist/idl/nsIRDFInferDataSource.idl // /// `interface nsIRDFInferDataSource : nsIRDFDataSource` /// /// ```text /// /** /// * An nsIRDFInferDataSource is implemented by a infer engine. This /// * engine mimics assertions in addition to those in the baseDataSource /// * according to a particular vocabulary. /// * Infer engines have contract IDs in the form of /// * "@mozilla.org/rdf/infer-datasource;1?engine=" /// */ /// ``` /// // The actual type definition for the interface. This struct has methods // declared on it which will call through its vtable. You never want to pass // this type around by value, always pass it behind a reference. #[repr(C)] pub struct nsIRDFInferDataSource { vtable: *const nsIRDFInferDataSourceVTable, /// This field is a phantomdata to ensure that the VTable type and any /// struct containing it is not safe to send across threads, as XPCOM is /// generally not threadsafe. /// /// XPCOM interfaces in general are not safe to send across threads. __nosync: ::std::marker::PhantomData<::std::rc::Rc<u8>>, } // Implementing XpCom for an interface exposes its IID, which allows for easy // use of the `.query_interface<T>` helper method. This also defines that // method for nsIRDFInferDataSource. unsafe impl XpCom for nsIRDFInferDataSource { const IID: nsIID = nsID(0x2b04860f, 0x4017, 0x40f6, [0x8a, 0x57, 0x78, 0x4a, 0x1e, 0x35, 0x07, 0x7a]); } // We need to implement the RefCounted trait so we can be used with `RefPtr`. // This trait teaches `RefPtr` how to manage our memory. unsafe impl RefCounted for nsIRDFInferDataSource { #[inline] unsafe fn addref(&self) { self.AddRef(); } #[inline] unsafe fn release(&self) { self.Release(); } } // This trait is implemented on all types which can be coerced to from nsIRDFInferDataSource. // It is used in the implementation of `fn coerce<T>`. We hide it from the // documentation, because it clutters it up a lot. #[doc(hidden)] pub trait nsIRDFInferDataSourceCoerce { /// Cheaply cast a value of this type from a `nsIRDFInferDataSource`. fn coerce_from(v: &nsIRDFInferDataSource) -> &Self; } // The trivial implementation: We can obviously coerce ourselves to ourselves. impl nsIRDFInferDataSourceCoerce for nsIRDFInferDataSource { #[inline] fn coerce_from(v: &nsIRDFInferDataSource) -> &Self { v } } impl nsIRDFInferDataSource { /// Cast this `nsIRDFInferDataSource` to one of its base interfaces. #[inline] pub fn coerce<T: nsIRDFInferDataSourceCoerce>(&self) -> &T { T::coerce_from(self) } } // Every interface struct type implements `Deref` to its base interface. This // causes methods on the base interfaces to be directly avaliable on the // object. For example, you can call `.AddRef` or `.QueryInterface` directly // on any interface which inherits from `nsISupports`. impl ::std::ops::Deref for nsIRDFInferDataSource { type Target = nsIRDFDataSource; #[inline] fn deref(&self) -> &nsIRDFDataSource { unsafe { ::std::mem::transmute(self) } } } // Ensure we can use .coerce() to cast to our base types as well. Any type which // our base interface can coerce from should be coercable from us as well. impl<T: nsIRDFDataSourceCoerce> nsIRDFInferDataSourceCoerce for T { #[inline] fn coerce_from(v: &nsIRDFInferDataSource) -> &Self { T::coerce_from(v) } } // This struct represents the interface's VTable. A pointer to a statically // allocated version of this struct is at the beginning of every nsIRDFInferDataSource // object. It contains one pointer field for each method in the interface. In // the case where we can't generate a binding for a method, we include a void // pointer. #[doc(hidden)] #[repr(C)] pub struct nsIRDFInferDataSourceVTable { /// We need to include the members from the base interface's vtable at the start /// of the VTable definition. pub __base: nsIRDFDataSourceVTable, /* attribute nsIRDFDataSource baseDataSource; */ pub GetBaseDataSource: unsafe extern "system" fn (this: *const nsIRDFInferDataSource, aBaseDataSource: *mut *const nsIRDFDataSource) -> nsresult, /* attribute nsIRDFDataSource baseDataSource; */ pub SetBaseDataSource: unsafe extern "system" fn (this: *const nsIRDFInferDataSource, aBaseDataSource: *const nsIRDFDataSource) -> nsresult, } // The implementations of the function wrappers which are exposed to rust code. // Call these methods rather than manually calling through the VTable struct. impl nsIRDFInferDataSource { /// ```text /// /** /// * /// * The wrapped datasource. /// * /// * The InferDataSource contains all arcs from the wrapped /// * datasource plus those infered by the vocabulary implemented /// * by the InferDataSource. /// */ /// ``` /// /// `attribute nsIRDFDataSource baseDataSource;` #[inline] pub unsafe fn GetBaseDataSource(&self, aBaseDataSource: *mut *const nsIRDFDataSource) -> nsresult { ((*self.vtable).GetBaseDataSource)(self, aBaseDataSource) } /// ```text /// /** /// * /// * The wrapped datasource. /// * /// * The InferDataSource contains all arcs from the wrapped /// * datasource plus those infered by the vocabulary implemented /// * by the InferDataSource. /// */ /// ``` /// /// `attribute nsIRDFDataSource baseDataSource;` #[inline] pub unsafe fn SetBaseDataSource(&self, aBaseDataSource: *const nsIRDFDataSource) -> nsresult { ((*self.vtable).SetBaseDataSource)(self, aBaseDataSource) } }