gecko-dev/dom/xslt/xpath/nsXPathNSResolver.cpp

47 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsXPathNSResolver.h"
#include "nsDOMClassInfoID.h"
#include "nsDOMString.h"
NS_IMPL_CYCLE_COLLECTION(nsXPathNSResolver, mNode)
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsXPathNSResolver)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsXPathNSResolver)
DOMCI_DATA(XPathNSResolver, nsXPathNSResolver)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsXPathNSResolver)
NS_INTERFACE_MAP_ENTRY(nsIDOMXPathNSResolver)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMXPathNSResolver)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(XPathNSResolver)
NS_INTERFACE_MAP_END
nsXPathNSResolver::nsXPathNSResolver(nsIDOMNode* aNode)
: mNode(aNode)
{
NS_ASSERTION(mNode, "Need a node to resolve namespaces.");
}
NS_IMETHODIMP
nsXPathNSResolver::LookupNamespaceURI(const nsAString & aPrefix,
nsAString & aResult)
{
if (aPrefix.EqualsLiteral("xml")) {
aResult.AssignLiteral("http://www.w3.org/XML/1998/namespace");
return NS_OK;
}
if (!mNode) {
SetDOMStringToNull(aResult);
return NS_OK;
}
return mNode->LookupNamespaceURI(aPrefix, aResult);
}