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lightning-sunbird  0.9+nobinonly
nsClusterKey.cpp
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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 Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Chris Waterson <waterson@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or 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
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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsClusterKey.h"
00040 #include "nsTemplateRule.h"
00041 
00042 nsClusterKey::nsClusterKey(const Instantiation& aInstantiation, const nsTemplateRule* aRule)
00043 {
00044     PRBool hasassignment;
00045 
00046     mContainerVariable = aRule->GetContainerVariable();
00047     hasassignment = aInstantiation.mAssignments.GetAssignmentFor(mContainerVariable, &mContainerValue);
00048     NS_ASSERTION(hasassignment, "no assignment for container variable");
00049 
00050     mMemberVariable = aRule->GetMemberVariable();
00051     hasassignment = aInstantiation.mAssignments.GetAssignmentFor(mMemberVariable, &mMemberValue);
00052     NS_ASSERTION(hasassignment, "no assignment for member variable");
00053 
00054     MOZ_COUNT_CTOR(nsClusterKey);
00055 }
00056 
00057 
00058 PLHashNumber PR_CALLBACK
00059 nsClusterKey::HashClusterKey(const void* aKey)
00060 {
00061     const nsClusterKey* key = NS_STATIC_CAST(const nsClusterKey*, aKey);
00062     return key->Hash();
00063 }
00064 
00065 PRIntn PR_CALLBACK
00066 nsClusterKey::CompareClusterKeys(const void* aLeft, const void* aRight)
00067 {
00068     const nsClusterKey* left  = NS_STATIC_CAST(const nsClusterKey*, aLeft);
00069     const nsClusterKey* right = NS_STATIC_CAST(const nsClusterKey*, aRight);
00070     return *left == *right;
00071 }