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lightning-sunbird  0.9+nobinonly
txExpandedNameMap.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is TransforMiiX XSLT processor code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Jonas Sicking.
00019  * Portions created by the Initial Developer are Copyright (C) 2002
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Jonas Sicking <sicking@bigfoot.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef TRANSFRMX_EXPANDEDNAMEMAP_H
00040 #define TRANSFRMX_EXPANDEDNAMEMAP_H
00041 
00042 #include "txError.h"
00043 #include "XMLUtils.h"
00044 
00045 class TxObject;
00046 
00047 class txExpandedNameMap {
00048 public:
00049     txExpandedNameMap(MBool aOwnsValues);
00050     
00051     ~txExpandedNameMap();
00052     
00060     nsresult add(const txExpandedName& aKey, TxObject* aValue);
00061 
00069     nsresult set(const txExpandedName& aKey, TxObject* aValue);
00070 
00076     TxObject* get(const txExpandedName& aKey) const;
00077 
00084     TxObject* remove(const txExpandedName& aKey);
00085 
00089     void clear();
00090 
00091     class iterator {
00092     public:
00093         iterator(txExpandedNameMap& aMap) : mMap(aMap),
00094                                             mCurrentPos(-1)
00095         {
00096         }
00097 
00098         MBool next()
00099         {
00100             return ++mCurrentPos < mMap.mItemCount;
00101         }
00102 
00103         const txExpandedName key()
00104         {
00105             NS_ASSERTION(mCurrentPos >= 0 && mCurrentPos < mMap.mItemCount,
00106                          "invalid position in txExpandedNameMap::iterator");
00107             return txExpandedName(mMap.mItems[mCurrentPos].mNamespaceID,
00108                                   mMap.mItems[mCurrentPos].mLocalName);
00109         }
00110 
00111         TxObject* value()
00112         {
00113             NS_ASSERTION(mCurrentPos >= 0 && mCurrentPos < mMap.mItemCount,
00114                          "invalid position in txExpandedNameMap::iterator");
00115             return mMap.mItems[mCurrentPos].mValue;
00116         }
00117 
00118     private:
00119         txExpandedNameMap& mMap;
00120         int mCurrentPos;
00121     };
00122     
00123     friend class iterator;
00124 
00125 private:
00126     struct MapItem {
00127         PRInt32 mNamespaceID;
00128         nsIAtom* mLocalName;
00129         TxObject* mValue;
00130     };
00131     
00132     MapItem* mItems;
00133     int mItemCount, mBufferCount;
00134     MBool mOwnsValues;
00135 };
00136 
00137 #endif //TRANSFRMX_EXPANDEDNAMEMAP_H