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lightning-sunbird  0.9+nobinonly
nsNameSpaceMap.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is mozilla.org Code.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1999
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Chris Waterson <waterson@netscape.com>
00025  *   Robert John Churchill <rjc@netscape.com>
00026  *
00027  * Alternatively, the contents of this file may be used under the terms of
00028  * either of the GNU General Public License Version 2 or later (the "GPL"),
00029  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00030  * in which case the provisions of the GPL or the LGPL are applicable instead
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00039  * ***** END LICENSE BLOCK ***** */
00040 
00041 #include "nsNameSpaceMap.h"
00042 #include "nsReadableUtils.h"
00043 
00044 nsNameSpaceMap::nsNameSpaceMap()
00045     : mEntries(nsnull)
00046 {
00047     MOZ_COUNT_CTOR(nsNameSpaceMap);
00048 }
00049 
00050 nsNameSpaceMap::~nsNameSpaceMap()
00051 {
00052     MOZ_COUNT_DTOR(nsNameSpaceMap);
00053 
00054     while (mEntries) {
00055         Entry* doomed = mEntries;
00056         mEntries = mEntries->mNext;
00057         delete doomed;
00058     }
00059 }
00060 
00061 nsresult
00062 nsNameSpaceMap::Put(const nsAString& aURI, nsIAtom* aPrefix)
00063 {
00064     nsCString uriUTF8;
00065     AppendUTF16toUTF8(aURI, uriUTF8);
00066     return Put(uriUTF8, aPrefix);
00067 }
00068 
00069 nsresult
00070 nsNameSpaceMap::Put(const nsCSubstring& aURI, nsIAtom* aPrefix)
00071 {
00072     Entry* entry;
00073 
00074     // Make sure we're not adding a duplicate
00075     for (entry = mEntries; entry != nsnull; entry = entry->mNext) {
00076         if (entry->mURI == aURI || entry->mPrefix == aPrefix)
00077             return NS_ERROR_FAILURE;
00078     }
00079 
00080     entry = new Entry(aURI, aPrefix);
00081     if (! entry)
00082         return NS_ERROR_OUT_OF_MEMORY;
00083 
00084     entry->mNext = mEntries;
00085     mEntries = entry;
00086     return NS_OK;
00087 }
00088 
00089 nsNameSpaceMap::const_iterator
00090 nsNameSpaceMap::GetNameSpaceOf(const nsCSubstring& aURI) const
00091 {
00092     for (Entry* entry = mEntries; entry != nsnull; entry = entry->mNext) {
00093         if (StringBeginsWith(aURI, entry->mURI))
00094             return const_iterator(entry);
00095     }
00096 
00097     return last();
00098 }