109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsNodeInfo_h___
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#define nsNodeInfo_h___
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#include "nsINodeInfo.h"
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#include "nsINameSpaceManager.h"
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#include "plhash.h"
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/*
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* nsNodeInfoInner 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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* nsNodeInfoInner does not do any kind of reference counting, that's up
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* to the user of this class, since nsNodeInfoInner is a member of
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* nsNodeInfo the hash table doesn't need to delete the keys, when the
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* value (nsNodeInfo) the key is automatically deleted.
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*/
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struct nsNodeInfoInner
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{
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nsNodeInfoInner(nsIAtom *aName, nsIAtom *aPrefix, PRInt32 aNamespaceID)
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: mName(aName), mPrefix(aPrefix), mNamespaceID(aNamespaceID) {}
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nsNodeInfoInner()
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: mName(nsnull), mPrefix(nsnull), mNamespaceID(kNameSpaceID_None) {}
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static PR_CALLBACK PRIntn KeyCompare(const void *key1, const void *key2);
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static PR_CALLBACK PLHashNumber GetHashValue(const void *key);
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nsIAtom* mName;
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nsIAtom* mPrefix;
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PRInt32 mNamespaceID;
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};
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class nsNodeInfoManager;
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class nsNodeInfo : public nsINodeInfo
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{
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public:
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NS_DECL_ISUPPORTS
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// nsINodeInfo
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NS_IMETHOD GetName(nsString& aName);
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NS_IMETHOD GetNameAtom(nsIAtom*& aAtom);
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NS_IMETHOD GetQualifiedName(nsString& aQualifiedName);
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NS_IMETHOD GetLocalName(nsString& aLocalName);
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NS_IMETHOD GetPrefix(nsString& aPrefix);
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NS_IMETHOD GetPrefixAtom(nsIAtom*& aAtom);
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NS_IMETHOD GetNamespaceURI(nsString& aNameSpaceURI);
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NS_IMETHOD GetNamespaceID(PRInt32& aResult);
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NS_IMETHOD GetNodeInfoManager(nsINodeInfoManager*& aNodeInfoManager);
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NS_IMETHOD_(PRBool) Equals(nsIAtom *aNameAtom);
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NS_IMETHOD_(PRBool) Equals(nsIAtom *aNameAtom, nsIAtom *aPrefixAtom);
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NS_IMETHOD_(PRBool) Equals(nsIAtom *aNameAtom, PRInt32 aNamespaceID);
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NS_IMETHOD_(PRBool) Equals(nsIAtom *aNameAtom, nsIAtom *aPrefixAtom,
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PRInt32 aNamespaceID);
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NS_IMETHOD_(PRBool) NamespaceEquals(PRInt32 aNamespaceID);
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NS_IMETHOD NameChanged(nsIAtom *aName, nsINodeInfo*& aResult);
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NS_IMETHOD PrefixChanged(nsIAtom *aPrefix, nsINodeInfo*& aResult);
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// nsNodeInfo
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nsNodeInfo();
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virtual ~nsNodeInfo();
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/*
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* Note! Init() must be called exactly once on every nsNodeInfo before
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* the object is used, if Init() returns an error code the nsNodeInfo
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* should not be used.
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*
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* aName and aOwnerManager may not be null.
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*/
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nsresult Init(nsIAtom *aName, nsIAtom *aPrefix, PRInt32 aNamespaceID,
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nsNodeInfoManager *aOwnerManager);
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protected:
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friend class nsNodeInfoManager; // The NodeInfoManager needs to pass this
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// to the hash table.
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nsNodeInfoInner mInner;
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nsNodeInfoManager* mOwnerManager; // Strong reference!
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};
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#endif /* nsNodeInfo_h___ */
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