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Bug 255593 Add ReplaceElementAt to nsIMutableArray plus comment fixes p=eyalroz@technion.ac.il r=darin sr=bienvenu

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git-svn-id: svn://10.0.0.236/trunk@167166 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
neil%parkwaycc.co.uk
2005-01-01 17:57:00 +00:00
parent 25b147631e
commit 9d884b85e2
2 changed files with 62 additions and 14 deletions
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18
mozilla/xpcom/ds/nsArray.cpp
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@@ -153,6 +153,24 @@ nsArray::InsertElementAt(nsISupports* aElement, PRUint32 aIndex, PRBool aWeak)
return result ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsArray::ReplaceElementAt(nsISupports* aElement, PRUint32 aIndex, PRBool aWeak)
{
nsCOMPtr<nsISupports> elementRef;
if (aWeak) {
elementRef =
getter_AddRefs(NS_STATIC_CAST(nsISupports*,
NS_GetWeakReference(aElement)));
NS_ASSERTION(elementRef, "ReplaceElementAt: Trying to use weak references on an object that doesn't support it");
if (!elementRef)
return NS_ERROR_FAILURE;
} else {
elementRef = aElement;
}
PRBool result = mArray.ReplaceObjectAt(elementRef, aIndex);
return result ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsArray::Clear()
{