mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
e4e2da55c9
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
305 lines
8.7 KiB
C++
305 lines
8.7 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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* Class that represents a prefix/namespace/localName triple; a single
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* nodeinfo is shared by all elements in a document that have that
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* prefix, namespace, and localName.
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*
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* nsNodeInfoManagers are internal objects that manage a list of
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* NodeInfos, every document object should hold a strong reference to
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* a nsNodeInfoManager and every NodeInfo also holds a strong reference
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* to their owning manager. When a NodeInfo is no longer used it will
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* automatically remove itself from its owner manager, and when all
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* NodeInfos have been removed from a nsNodeInfoManager and all external
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* references are released the nsNodeInfoManager deletes itself.
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*/
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#ifndef mozilla_dom_NodeInfo_h___
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#define mozilla_dom_NodeInfo_h___
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#include "nsAutoPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "mozilla/dom/NameSpaceConstants.h"
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#include "nsStringGlue.h"
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#include "mozilla/Attributes.h"
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#include "nsIAtom.h"
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class nsIDocument;
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class nsNodeInfoManager;
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namespace mozilla {
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namespace dom {
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class NodeInfo final
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{
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public:
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(NodeInfo)
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NS_DECL_CYCLE_COLLECTION_SKIPPABLE_NATIVE_CLASS_WITH_CUSTOM_DELETE(NodeInfo)
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/*
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* Get the name from this node as a string, this does not include the prefix.
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*
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* For the HTML element "<body>" this will return "body" and for the XML
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* element "<html:body>" this will return "body".
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*/
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void GetName(nsAString& aName) const;
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/*
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* Get the name from this node as an atom, this does not include the prefix.
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* This function never returns a null atom.
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*
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* For the HTML element "<body>" this will return the "body" atom and for
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* the XML element "<html:body>" this will return the "body" atom.
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*/
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nsIAtom* NameAtom() const
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{
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return mInner.mName;
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}
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/*
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* Get the qualified name from this node as a string, the qualified name
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* includes the prefix, if one exists.
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*
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* For the HTML element "<body>" this will return "body" and for the XML
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* element "<html:body>" this will return "html:body".
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*/
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const nsString& QualifiedName() const {
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return mQualifiedName;
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}
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/*
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* Returns the node's nodeName as defined in DOM Core
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*/
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const nsString& NodeName() const {
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return mNodeName;
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}
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/*
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* Returns the node's localName as defined in DOM Core
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*/
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const nsString& LocalName() const {
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return mLocalName;
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}
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/*
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* Get the prefix from this node as a string.
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*
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* For the HTML element "<body>" this will return a null string and for
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* the XML element "<html:body>" this will return the string "html".
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*/
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void GetPrefix(nsAString& aPrefix) const;
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/*
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* Get the prefix from this node as an atom.
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*
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* For the HTML element "<body>" this will return a null atom and for
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* the XML element "<html:body>" this will return the "html" atom.
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*/
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nsIAtom* GetPrefixAtom() const
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{
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return mInner.mPrefix;
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}
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/*
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* Get the namespace URI for a node, if the node has a namespace URI.
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*/
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void GetNamespaceURI(nsAString& aNameSpaceURI) const;
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/*
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* Get the namespace ID for a node if the node has a namespace, if not this
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* returns kNameSpaceID_None.
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*/
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int32_t NamespaceID() const
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{
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return mInner.mNamespaceID;
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}
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/*
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* Get the nodetype for the node. Returns the values specified in nsIDOMNode
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* for nsIDOMNode.nodeType
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*/
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uint16_t NodeType() const
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{
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return mInner.mNodeType;
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}
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/*
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* Get the extra name, used by PIs and DocTypes, for the node.
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*/
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nsIAtom* GetExtraName() const
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{
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return mInner.mExtraName;
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}
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/**
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* Get the owning node info manager. Only to be used inside Gecko, you can't
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* really do anything with the pointer outside Gecko anyway.
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*/
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nsNodeInfoManager* NodeInfoManager() const
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{
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return mOwnerManager;
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}
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/*
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* Utility functions that can be used to check if a nodeinfo holds a specific
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* name, name and prefix, name and prefix and namespace ID, or just
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* namespace ID.
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*/
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inline bool Equals(NodeInfo* aNodeInfo) const;
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bool NameAndNamespaceEquals(NodeInfo* aNodeInfo) const;
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bool Equals(nsIAtom* aNameAtom) const
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{
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return mInner.mName == aNameAtom;
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}
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bool Equals(nsIAtom* aNameAtom, nsIAtom* aPrefixAtom) const
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{
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return (mInner.mName == aNameAtom) && (mInner.mPrefix == aPrefixAtom);
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}
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bool Equals(nsIAtom* aNameAtom, int32_t aNamespaceID) const
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{
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return ((mInner.mName == aNameAtom) &&
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(mInner.mNamespaceID == aNamespaceID));
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}
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bool Equals(nsIAtom* aNameAtom, nsIAtom* aPrefixAtom, int32_t aNamespaceID) const
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{
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return ((mInner.mName == aNameAtom) &&
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(mInner.mPrefix == aPrefixAtom) &&
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(mInner.mNamespaceID == aNamespaceID));
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}
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bool NamespaceEquals(int32_t aNamespaceID) const
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{
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return mInner.mNamespaceID == aNamespaceID;
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}
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inline bool Equals(const nsAString& aName) const;
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inline bool Equals(const nsAString& aName, const nsAString& aPrefix) const;
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inline bool Equals(const nsAString& aName, int32_t aNamespaceID) const;
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inline bool Equals(const nsAString& aName, const nsAString& aPrefix, int32_t aNamespaceID) const;
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bool NamespaceEquals(const nsAString& aNamespaceURI) const;
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inline bool QualifiedNameEquals(nsIAtom* aNameAtom) const;
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bool QualifiedNameEquals(const nsAString& aQualifiedName) const
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{
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return mQualifiedName == aQualifiedName;
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}
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/*
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* Retrieve a pointer to the document that owns this node info.
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*/
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nsIDocument* GetDocument() const
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{
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return mDocument;
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}
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private:
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NodeInfo() = delete;
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NodeInfo(const NodeInfo& aOther) = delete;
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// NodeInfo is only constructed by nsNodeInfoManager which is a friend class.
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// aName and aOwnerManager may not be null.
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NodeInfo(nsIAtom* aName, nsIAtom* aPrefix, int32_t aNamespaceID,
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uint16_t aNodeType, nsIAtom* aExtraName,
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nsNodeInfoManager* aOwnerManager);
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~NodeInfo();
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public:
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bool CanSkip();
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/**
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* This method gets called by the cycle collector when it's time to delete
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* this object.
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*/
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void DeleteCycleCollectable();
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protected:
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/*
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* NodeInfoInner is used for two things:
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*
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* 1. as a member in nsNodeInfo for holding the name, prefix and
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* namespace ID
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* 2. as the hash key in the hash table in nsNodeInfoManager
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*
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* NodeInfoInner does not do any kind of reference counting,
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* that's up to the user of this class. Since NodeInfoInner is
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* typically used as a member of NodeInfo, the hash table doesn't
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* need to delete the keys. When the value (NodeInfo) is deleted
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* the key is automatically deleted.
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*/
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class NodeInfoInner
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{
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public:
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NodeInfoInner()
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: mName(nullptr), mPrefix(nullptr), mNamespaceID(kNameSpaceID_Unknown),
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mNodeType(0), mNameString(nullptr), mExtraName(nullptr)
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{
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}
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NodeInfoInner(nsIAtom *aName, nsIAtom *aPrefix, int32_t aNamespaceID,
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uint16_t aNodeType, nsIAtom* aExtraName)
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: mName(aName), mPrefix(aPrefix), mNamespaceID(aNamespaceID),
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mNodeType(aNodeType), mNameString(nullptr), mExtraName(aExtraName)
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{
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}
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NodeInfoInner(const nsAString& aTmpName, nsIAtom *aPrefix,
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int32_t aNamespaceID, uint16_t aNodeType)
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: mName(nullptr), mPrefix(aPrefix), mNamespaceID(aNamespaceID),
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mNodeType(aNodeType), mNameString(&aTmpName), mExtraName(nullptr)
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{
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}
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nsCOMPtr<nsIAtom> mName;
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nsCOMPtr<nsIAtom> mPrefix;
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int32_t mNamespaceID;
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uint16_t mNodeType; // As defined by nsIDOMNode.nodeType
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const nsAString* mNameString;
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nsCOMPtr<nsIAtom> mExtraName; // Only used by PIs and DocTypes
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};
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// nsNodeInfoManager needs to pass mInner to the hash table.
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friend class ::nsNodeInfoManager;
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// This is a non-owning reference, but it's safe since it's set to nullptr
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// by nsNodeInfoManager::DropDocumentReference when the document is destroyed.
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nsIDocument* MOZ_NON_OWNING_REF mDocument; // Cache of mOwnerManager->mDocument
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NodeInfoInner mInner;
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RefPtr<nsNodeInfoManager> mOwnerManager;
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/*
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* Members for various functions of mName+mPrefix that we can be
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* asked to compute.
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*/
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// Qualified name
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nsString mQualifiedName;
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// nodeName for the node.
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nsString mNodeName;
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// localName for the node. This is either equal to mInner.mName, or a
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// void string, depending on mInner.mNodeType.
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nsString mLocalName;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_NodeInfo_h___ */
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