nsISimpleEnumerator.h
上传用户:goldcmy89
上传日期:2017-12-03
资源大小:2246k
文件大小:4k
源码类别:
PlugIns编程
开发平台:
Visual C++
- /*
- * DO NOT EDIT. THIS FILE IS GENERATED FROM c:/builds/tinderbox/XR-Mozilla1.8.0-Release/WINNT_5.2_Depend/mozilla/xpcom/ds/nsISimpleEnumerator.idl
- */
- #ifndef __gen_nsISimpleEnumerator_h__
- #define __gen_nsISimpleEnumerator_h__
- #ifndef __gen_nsISupports_h__
- #include "nsISupports.h"
- #endif
- /* For IDL files that don't want to include root IDL files. */
- #ifndef NS_NO_VTABLE
- #define NS_NO_VTABLE
- #endif
- /* starting interface: nsISimpleEnumerator */
- #define NS_ISIMPLEENUMERATOR_IID_STR "d1899240-f9d2-11d2-bdd6-000064657374"
- #define NS_ISIMPLEENUMERATOR_IID
- {0xd1899240, 0xf9d2, 0x11d2,
- { 0xbd, 0xd6, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74 }}
- /**
- * Used to enumerate over elements defined by its implementor.
- * Although hasMoreElements() can be called independently of getNext(),
- * getNext() must be pre-ceeded by a call to hasMoreElements(). There is
- * no way to "reset" an enumerator, once you obtain one.
- *
- * @status FROZEN
- * @version 1.0
- */
- class NS_NO_VTABLE nsISimpleEnumerator : public nsISupports {
- public:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISIMPLEENUMERATOR_IID)
- /**
- * Called to determine whether or not the enumerator has
- * any elements that can be returned via getNext(). This method
- * is generally used to determine whether or not to initiate or
- * continue iteration over the enumerator, though it can be
- * called without subsequent getNext() calls. Does not affect
- * internal state of enumerator.
- *
- * @see getNext()
- * @return PR_TRUE if there are remaining elements in the enumerator.
- * PR_FALSE if there are no more elements in the enumerator.
- */
- /* boolean hasMoreElements (); */
- NS_IMETHOD HasMoreElements(PRBool *_retval) = 0;
- /**
- * Called to retrieve the next element in the enumerator. The "next"
- * element is the first element upon the first call. Must be
- * pre-ceeded by a call to hasMoreElements() which returns PR_TRUE.
- * This method is generally called within a loop to iterate over
- * the elements in the enumerator.
- *
- * @see hasMoreElements()
- * @return NS_OK if the call succeeded in returning a non-null
- * value through the out parameter.
- * NS_ERROR_FAILURE if there are no more elements
- * to enumerate.
- * @return the next element in the enumeration.
- */
- /* nsISupports getNext (); */
- NS_IMETHOD GetNext(nsISupports **_retval) = 0;
- };
- /* Use this macro when declaring classes that implement this interface. */
- #define NS_DECL_NSISIMPLEENUMERATOR
- NS_IMETHOD HasMoreElements(PRBool *_retval);
- NS_IMETHOD GetNext(nsISupports **_retval);
- /* Use this macro to declare functions that forward the behavior of this interface to another object. */
- #define NS_FORWARD_NSISIMPLEENUMERATOR(_to)
- NS_IMETHOD HasMoreElements(PRBool *_retval) { return _to HasMoreElements(_retval); }
- NS_IMETHOD GetNext(nsISupports **_retval) { return _to GetNext(_retval); }
- /* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
- #define NS_FORWARD_SAFE_NSISIMPLEENUMERATOR(_to)
- NS_IMETHOD HasMoreElements(PRBool *_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->HasMoreElements(_retval); }
- NS_IMETHOD GetNext(nsISupports **_retval) { return !_to ? NS_ERROR_NULL_POINTER : _to->GetNext(_retval); }
- #if 0
- /* Use the code below as a template for the implementation class for this interface. */
- /* Header file */
- class nsSimpleEnumerator : public nsISimpleEnumerator
- {
- public:
- NS_DECL_ISUPPORTS
- NS_DECL_NSISIMPLEENUMERATOR
- nsSimpleEnumerator();
- private:
- ~nsSimpleEnumerator();
- protected:
- /* additional members */
- };
- /* Implementation file */
- NS_IMPL_ISUPPORTS1(nsSimpleEnumerator, nsISimpleEnumerator)
- nsSimpleEnumerator::nsSimpleEnumerator()
- {
- /* member initializers and constructor code */
- }
- nsSimpleEnumerator::~nsSimpleEnumerator()
- {
- /* destructor code */
- }
- /* boolean hasMoreElements (); */
- NS_IMETHODIMP nsSimpleEnumerator::HasMoreElements(PRBool *_retval)
- {
- return NS_ERROR_NOT_IMPLEMENTED;
- }
- /* nsISupports getNext (); */
- NS_IMETHODIMP nsSimpleEnumerator::GetNext(nsISupports **_retval)
- {
- return NS_ERROR_NOT_IMPLEMENTED;
- }
- /* End of implementation class template. */
- #endif
- #endif /* __gen_nsISimpleEnumerator_h__ */