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108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* IBM Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Brian Ryner <bryner@brianryner.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsXMLNameSpaceMap_h_
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#define nsXMLNameSpaceMap_h_
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsCOMPtr.h"
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#include "nsIAtom.h"
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struct nsNameSpaceEntry
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{
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nsNameSpaceEntry(nsIAtom *aPrefix)
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: prefix(aPrefix) {}
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nsCOMPtr<nsIAtom> prefix;
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PRInt32 nameSpaceID;
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};
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/**
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* nsXMLNameSpaceMap contains a set of prefixes which are mapped onto
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* namespaces. It allows the set to be searched by prefix or by namespace ID.
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*/
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class nsXMLNameSpaceMap
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{
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public:
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/**
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* Allocates a new nsXMLNameSpaceMap (with new()) and if aForXML is
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* true initializes it with the xmlns and xml namespaces.
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*/
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static NS_HIDDEN_(nsXMLNameSpaceMap*) Create(bool aForXML);
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/**
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* Add a prefix and its corresponding namespace ID to the map.
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* Passing a null |aPrefix| corresponds to the default namespace, which may
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* be set to something other than kNameSpaceID_None.
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*/
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NS_HIDDEN_(nsresult) AddPrefix(nsIAtom *aPrefix, PRInt32 aNameSpaceID);
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/**
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* Add a prefix and a namespace URI to the map. The URI will be converted
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* to its corresponding namespace ID.
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*/
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NS_HIDDEN_(nsresult) AddPrefix(nsIAtom *aPrefix, nsString &aURI);
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/*
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* Returns the namespace ID for the given prefix, if it is in the map.
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* If |aPrefix| is null and is not in the map, then a null namespace
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* (kNameSpaceID_None) is returned. If |aPrefix| is non-null and is not in
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* the map, then kNameSpaceID_Unknown is returned.
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*/
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NS_HIDDEN_(PRInt32) FindNameSpaceID(nsIAtom *aPrefix) const;
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/**
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* If the given namespace ID is in the map, then the first prefix which
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* maps to that namespace is returned. Otherwise, null is returned.
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*/
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NS_HIDDEN_(nsIAtom*) FindPrefix(PRInt32 aNameSpaceID) const;
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/* Removes all prefix mappings. */
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NS_HIDDEN_(void) Clear();
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~nsXMLNameSpaceMap() { Clear(); }
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private:
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nsXMLNameSpaceMap() NS_HIDDEN; // use Create() to create new instances
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nsTArray<nsNameSpaceEntry> mNameSpaces;
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};
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#endif
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