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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef nsINameSpaceManager_h___
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#define nsINameSpaceManager_h___
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#include "nsISupports.h"
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class nsIAtom;
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class nsAString;
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#define kNameSpaceID_Unknown -1
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// 0 is special at C++, so use a static const int32_t for
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// kNameSpaceID_None to keep if from being cast to pointers
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// Note that the XBL cache assumes (and asserts) that it can treat a
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// single-byte value higher than kNameSpaceID_LastBuiltin specially.
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static const int32_t 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_XHTML 3
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#define kNameSpaceID_XLink 4
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#define kNameSpaceID_XSLT 5
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#define kNameSpaceID_XBL 6
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#define kNameSpaceID_MathML 7
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#define kNameSpaceID_RDF 8
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#define kNameSpaceID_XUL 9
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#define kNameSpaceID_SVG 10
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#define kNameSpaceID_LastBuiltin 10 // last 'built-in' namespace
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#define NS_NAMESPACEMANAGER_CONTRACTID "@mozilla.org/content/namespacemanager;1"
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#define NS_INAMESPACEMANAGER_IID \
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{ 0xd74e83e6, 0xf932, 0x4289, \
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{ 0xac, 0x95, 0x9e, 0x10, 0x24, 0x30, 0x88, 0xd6 } }
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/**
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* The Name Space Manager tracks the association between a NameSpace
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* URI and the int32_t 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.
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*
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*/
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class nsINameSpaceManager : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_INAMESPACEMANAGER_IID)
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virtual nsresult RegisterNameSpace(const nsAString& aURI,
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int32_t& aNameSpaceID) = 0;
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virtual nsresult GetNameSpaceURI(int32_t aNameSpaceID, nsAString& aURI) = 0;
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virtual int32_t GetNameSpaceID(const nsAString& aURI) = 0;
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virtual bool HasElementCreator(int32_t aNameSpaceID) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsINameSpaceManager, NS_INAMESPACEMANAGER_IID)
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nsresult NS_GetNameSpaceManager(nsINameSpaceManager** aInstancePtrResult);
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void NS_NameSpaceManagerShutdown();
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#endif // nsINameSpaceManager_h___
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