1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
// // DO NOT EDIT. THIS FILE IS GENERATED FROM ../../../dist/idl/nsIDOMXPathEvaluator.idl // /// `interface nsIDOMXPathEvaluator : 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 nsIDOMXPathEvaluator { vtable: *const nsIDOMXPathEvaluatorVTable, /// 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 nsIDOMXPathEvaluator. unsafe impl XpCom for nsIDOMXPathEvaluator { const IID: nsIID = nsID(0x92584002, 0xd0e2, 0x4b88, [0x9a, 0xf9, 0xfa, 0x6f, 0xf5, 0x9e, 0xe0, 0x02]); } // 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 nsIDOMXPathEvaluator { #[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 nsIDOMXPathEvaluator. // 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 nsIDOMXPathEvaluatorCoerce { /// Cheaply cast a value of this type from a `nsIDOMXPathEvaluator`. fn coerce_from(v: &nsIDOMXPathEvaluator) -> &Self; } // The trivial implementation: We can obviously coerce ourselves to ourselves. impl nsIDOMXPathEvaluatorCoerce for nsIDOMXPathEvaluator { #[inline] fn coerce_from(v: &nsIDOMXPathEvaluator) -> &Self { v } } impl nsIDOMXPathEvaluator { /// Cast this `nsIDOMXPathEvaluator` to one of its base interfaces. #[inline] pub fn coerce<T: nsIDOMXPathEvaluatorCoerce>(&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 nsIDOMXPathEvaluator { 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> nsIDOMXPathEvaluatorCoerce for T { #[inline] fn coerce_from(v: &nsIDOMXPathEvaluator) -> &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 nsIDOMXPathEvaluator // 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 nsIDOMXPathEvaluatorVTable { /// We need to include the members from the base interface's vtable at the start /// of the VTable definition. pub __base: nsISupportsVTable, /* nsISupports evaluate (in DOMString expression, in nsIDOMNode contextNode, in nsIDOMNode resolver, in unsigned short type, in nsISupports result) raises (XPathException,DOMException); */ pub Evaluate: unsafe extern "system" fn (this: *const nsIDOMXPathEvaluator, expression: &::nsstring::nsAString, contextNode: *const nsIDOMNode, resolver: *const nsIDOMNode, type_: libc::uint16_t, result: *const nsISupports, _retval: *mut *const nsISupports) -> 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 nsIDOMXPathEvaluator { /// `nsISupports evaluate (in DOMString expression, in nsIDOMNode contextNode, in nsIDOMNode resolver, in unsigned short type, in nsISupports result) raises (XPathException,DOMException);` #[inline] pub unsafe fn Evaluate(&self, expression: &::nsstring::nsAString, contextNode: *const nsIDOMNode, resolver: *const nsIDOMNode, type_: libc::uint16_t, result: *const nsISupports, _retval: *mut *const nsISupports) -> nsresult { ((*self.vtable).Evaluate)(self, expression, contextNode, resolver, type_, result, _retval) } }