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81 lines
2.9 KiB
C++
81 lines
2.9 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 License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#ifndef nsINameSpaceManager_h___
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#define nsINameSpaceManager_h___
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#include "nsISupports.h"
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#include "nslayout.h"
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class nsIAtom;
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class nsString;
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class nsINameSpace;
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#define kNameSpaceID_Unknown -1
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#define kNameSpaceID_None 0
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#define kNameSpaceID_XMLNS 1 // not really a namespace, but it needs to play the game
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#define kNameSpaceID_XML 2
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#define kNameSpaceID_HTML 3
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// 'html' is by definition bound to the namespace name "urn:w3-org-ns:HTML" XXX ???
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// 'xml' is by definition bound to the namespace name "urn:Connolly:input:required" XXX
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#define NS_INAMESPACEMANAGER_IID \
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{ 0xa6cf90d5, 0x15b3, 0x11d2, \
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{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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/**
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* The Name Space Manager tracks the associtation between a NameSpace
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* URI and the PRInt32 runtime id. Mappings between NameSpaces and
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* NameSpace prefixes are managed by nsINameSpaces
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*
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* All NameSpace URIs are stored in a global table so that IDs are
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* consistent accross the app. NameSpace IDs are only consistent at runtime
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* ie: they are not guaranteed to be consistent accross app sessions.
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*
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* The nsINameSpaceManager needs to have a live reference for as long as
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* the NameSpace IDs are needed. Generally, a document keeps a reference to
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* a nsINameSpaceManager. Also, each nsINameSpace that comes from the manager
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* keeps a reference to it.
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*
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* To create a stack of NameSpaces, call CreateRootNameSpace, and then create
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* child NameSpaces from the root.
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*
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* The "html" and "xml" namespaces come "pre-canned" from the root.
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*
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*/
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class nsINameSpaceManager : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_INAMESPACEMANAGER_IID; return iid; }
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NS_IMETHOD CreateRootNameSpace(nsINameSpace*& aRootNameSpace) = 0;
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NS_IMETHOD RegisterNameSpace(const nsString& aURI,
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PRInt32& aNameSpaceID) = 0;
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NS_IMETHOD GetNameSpaceURI(PRInt32 aNameSpaceID, nsString& aURI) = 0;
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NS_IMETHOD GetNameSpaceID(const nsString& aURI, PRInt32& aNameSpaceID) = 0;
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};
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extern NS_LAYOUT nsresult
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NS_NewNameSpaceManager(nsINameSpaceManager** aInstancePtrResult);
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#endif // nsINameSpaceManager_h___
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