mirror of
https://github.com/mozilla/gecko-dev.git
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152 lines
4.1 KiB
C++
152 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Implementation of DOM Core's nsIDOMDocumentFragment.
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*/
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#include "mozilla/dom/DocumentFragment.h"
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#include "mozilla/dom/Element.h" // for NS_IMPL_ELEMENT_CLONE
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#include "mozilla/dom/NodeInfo.h"
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#include "nsNodeInfoManager.h"
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#include "nsError.h"
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#include "nsGkAtoms.h"
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#include "nsDOMString.h"
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#include "nsContentUtils.h" // for NS_INTERFACE_MAP_ENTRY_TEAROFF
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#include "mozilla/dom/DocumentFragmentBinding.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDocument.h"
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#include "mozilla/IntegerPrintfMacros.h"
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namespace mozilla {
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namespace dom {
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JSObject*
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DocumentFragment::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return DocumentFragmentBinding::Wrap(aCx, this, aGivenProto);
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}
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bool
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DocumentFragment::IsNodeOfType(uint32_t aFlags) const
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{
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return !(aFlags & ~(eCONTENT | eDOCUMENT_FRAGMENT));
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}
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NS_IMETHODIMP
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DocumentFragment::QuerySelector(const nsAString& aSelector,
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nsIDOMElement **aReturn)
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{
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return nsINode::QuerySelector(aSelector, aReturn);
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}
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NS_IMETHODIMP
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DocumentFragment::QuerySelectorAll(const nsAString& aSelector,
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nsIDOMNodeList **aReturn)
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{
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return nsINode::QuerySelectorAll(aSelector, aReturn);
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}
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#ifdef DEBUG
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void
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DocumentFragment::List(FILE* out, int32_t aIndent) const
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{
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int32_t indent;
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for (indent = aIndent; --indent >= 0; ) {
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fputs(" ", out);
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}
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fprintf(out, "DocumentFragment@%p", (void *)this);
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fprintf(out, " flags=[%08x]", static_cast<unsigned int>(GetFlags()));
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fprintf(out, " refcount=%" PRIuPTR "<", mRefCnt.get());
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nsIContent* child = GetFirstChild();
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if (child) {
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fputs("\n", out);
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for (; child; child = child->GetNextSibling()) {
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child->List(out, aIndent + 1);
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}
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for (indent = aIndent; --indent >= 0; ) {
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fputs(" ", out);
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}
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}
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fputs(">\n", out);
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}
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void
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DocumentFragment::DumpContent(FILE* out, int32_t aIndent,
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bool aDumpAll) const
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{
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int32_t indent;
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for (indent = aIndent; --indent >= 0; ) {
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fputs(" ", out);
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}
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fputs("<DocumentFragment>", out);
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if(aIndent) {
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fputs("\n", out);
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}
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for (nsIContent* child = GetFirstChild();
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child;
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child = child->GetNextSibling()) {
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int32_t indent = aIndent ? aIndent + 1 : 0;
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child->DumpContent(out, indent, aDumpAll);
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}
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for (indent = aIndent; --indent >= 0; ) {
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fputs(" ", out);
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}
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fputs("</DocumentFragment>", out);
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if(aIndent) {
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fputs("\n", out);
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}
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}
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#endif
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/* static */ already_AddRefed<DocumentFragment>
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DocumentFragment::Constructor(const GlobalObject& aGlobal,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
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if (!window || !window->GetDoc()) {
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aRv.Throw(NS_ERROR_FAILURE);
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return nullptr;
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}
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return window->GetDoc()->CreateDocumentFragment();
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}
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// QueryInterface implementation for DocumentFragment
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NS_INTERFACE_MAP_BEGIN(DocumentFragment)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(DocumentFragment)
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NS_INTERFACE_MAP_ENTRY(nsIContent)
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NS_INTERFACE_MAP_ENTRY(nsINode)
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NS_INTERFACE_MAP_ENTRY(nsIDOMDocumentFragment)
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NS_INTERFACE_MAP_ENTRY(nsIDOMNode)
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NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
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NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)
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NS_INTERFACE_MAP_ENTRY_TEAROFF(nsISupportsWeakReference,
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new nsNodeSupportsWeakRefTearoff(this))
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// DOM bindings depend on the identity pointer being the
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// same as nsINode (which nsIContent inherits).
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContent)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF_INHERITED(DocumentFragment, FragmentOrElement)
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NS_IMPL_RELEASE_INHERITED(DocumentFragment, FragmentOrElement)
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NS_IMPL_ELEMENT_CLONE(DocumentFragment)
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} // namespace dom
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} // namespace mozilla
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