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// // DO NOT EDIT. THIS FILE IS GENERATED FROM ../../../dist/idl/nsIUnicharLineInputStream.idl // /// `interface nsIUnicharLineInputStream : nsISupports` /// // 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 nsIUnicharLineInputStream { vtable: *const nsIUnicharLineInputStreamVTable, /// 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 nsIUnicharLineInputStream. unsafe impl XpCom for nsIUnicharLineInputStream { const IID: nsIID = nsID(0x67f42475, 0xba80, 0x40f8, [0xac, 0x0b, 0x64, 0x9c, 0x89, 0x23, 0x01, 0x84]); } // 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 nsIUnicharLineInputStream { #[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 nsIUnicharLineInputStream. // 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 nsIUnicharLineInputStreamCoerce { /// Cheaply cast a value of this type from a `nsIUnicharLineInputStream`. fn coerce_from(v: &nsIUnicharLineInputStream) -> &Self; } // The trivial implementation: We can obviously coerce ourselves to ourselves. impl nsIUnicharLineInputStreamCoerce for nsIUnicharLineInputStream { #[inline] fn coerce_from(v: &nsIUnicharLineInputStream) -> &Self { v } } impl nsIUnicharLineInputStream { /// Cast this `nsIUnicharLineInputStream` to one of its base interfaces. #[inline] pub fn coerce<T: nsIUnicharLineInputStreamCoerce>(&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 nsIUnicharLineInputStream { type Target = nsISupports; #[inline] fn deref(&self) -> &nsISupports { 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: nsISupportsCoerce> nsIUnicharLineInputStreamCoerce for T { #[inline] fn coerce_from(v: &nsIUnicharLineInputStream) -> &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 nsIUnicharLineInputStream // 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 nsIUnicharLineInputStreamVTable { /// We need to include the members from the base interface's vtable at the start /// of the VTable definition. pub __base: nsISupportsVTable, /* boolean readLine (out AString aLine); */ pub ReadLine: unsafe extern "system" fn (this: *const nsIUnicharLineInputStream, aLine: &mut ::nsstring::nsAString, _retval: *mut bool) -> 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 nsIUnicharLineInputStream { /// ```text /// /** /// * Read a single line from the stream, where a line is a /// * possibly zero length sequence of characters terminated by a /// * CR, LF, CRLF, LFCR, or eof. /// * The line terminator is not returned. /// * @retval false /// * End of file. This line is the last line of the file /// * (aLine is valid). /// * @retval true /// * The file contains further lines. /// * @note Do not mix readLine with other read functions. /// * Doing so can cause various problems and is not supported. /// */ /// ``` /// /// `boolean readLine (out AString aLine);` #[inline] pub unsafe fn ReadLine(&self, aLine: &mut ::nsstring::nsAString, _retval: *mut bool) -> nsresult { ((*self.vtable).ReadLine)(self, aLine, _retval) } }