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// // DO NOT EDIT. THIS FILE IS GENERATED FROM ../../../dist/idl/nsIConverterOutputStream.idl // /// `interface nsIConverterOutputStream : nsIUnicharOutputStream` /// /// ```text /// /** /// * This interface allows writing strings to a stream, doing automatic /// * character encoding conversion. /// */ /// ``` /// // 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 nsIConverterOutputStream { vtable: *const nsIConverterOutputStreamVTable, /// 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 nsIConverterOutputStream. unsafe impl XpCom for nsIConverterOutputStream { const IID: nsIID = nsID(0x4b71113a, 0xcb0d, 0x479f, [0x8e, 0xd5, 0x01, 0xda, 0xeb, 0xa2, 0xe8, 0xd4]); } // 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 nsIConverterOutputStream { #[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 nsIConverterOutputStream. // 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 nsIConverterOutputStreamCoerce { /// Cheaply cast a value of this type from a `nsIConverterOutputStream`. fn coerce_from(v: &nsIConverterOutputStream) -> &Self; } // The trivial implementation: We can obviously coerce ourselves to ourselves. impl nsIConverterOutputStreamCoerce for nsIConverterOutputStream { #[inline] fn coerce_from(v: &nsIConverterOutputStream) -> &Self { v } } impl nsIConverterOutputStream { /// Cast this `nsIConverterOutputStream` to one of its base interfaces. #[inline] pub fn coerce<T: nsIConverterOutputStreamCoerce>(&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 nsIConverterOutputStream { type Target = nsIUnicharOutputStream; #[inline] fn deref(&self) -> &nsIUnicharOutputStream { 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: nsIUnicharOutputStreamCoerce> nsIConverterOutputStreamCoerce for T { #[inline] fn coerce_from(v: &nsIConverterOutputStream) -> &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 nsIConverterOutputStream // 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 nsIConverterOutputStreamVTable { /// We need to include the members from the base interface's vtable at the start /// of the VTable definition. pub __base: nsIUnicharOutputStreamVTable, /* void init (in nsIOutputStream aOutStream, in string aCharset); */ pub Init: unsafe extern "system" fn (this: *const nsIConverterOutputStream, aOutStream: *const nsIOutputStream, aCharset: *const libc::c_char) -> 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 nsIConverterOutputStream { /// ```text /// /** /// * Initialize this stream. Must be called before any other method on this /// * interface, or you will crash. The output stream passed to this method /// * must not be null, or you will crash. /// * /// * @param aOutStream /// * The underlying output stream to which the converted strings will /// * be written. /// * @param aCharset /// * The character set to use for encoding the characters. A null /// * charset will be interpreted as UTF-8. /// */ /// ``` /// /// `void init (in nsIOutputStream aOutStream, in string aCharset);` #[inline] pub unsafe fn Init(&self, aOutStream: *const nsIOutputStream, aCharset: *const libc::c_char) -> nsresult { ((*self.vtable).Init)(self, aOutStream, aCharset) } }