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lightning-sunbird  0.9+nobinonly
ipcIDList.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is Mozilla IPC.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corporation.
00018  * Portions created by the Initial Developer are Copyright (C) 2002
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   Darin Fisher <darin@netscape.com>
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef ipcIDList_h__
00039 #define ipcIDList_h__
00040 
00041 #include "nsID.h"
00042 #include "ipcList.h"
00043 
00044 //-----------------------------------------------------------------------------
00045 // nsID node
00046 //-----------------------------------------------------------------------------
00047 
00048 class ipcIDNode
00049 {
00050 public:
00051     ipcIDNode(const nsID &id)
00052         : mID(id)
00053         { }
00054 
00055     const nsID &Value() const { return mID; }
00056 
00057     PRBool Equals(const nsID &id) const { return mID.Equals(id); }
00058 
00059     class ipcIDNode *mNext;
00060 private:
00061     nsID mID;
00062 };
00063 
00064 //-----------------------------------------------------------------------------
00065 // singly-linked list of nsIDs
00066 //-----------------------------------------------------------------------------
00067 
00068 class ipcIDList : public ipcList<ipcIDNode>
00069 {
00070 public:
00071     typedef ipcList<ipcIDNode> Super;
00072 
00073     void Prepend(const nsID &id)
00074     {
00075         Super::Prepend(new ipcIDNode(id));
00076     }
00077 
00078     void Append(const nsID &id)
00079     {
00080         Super::Append(new ipcIDNode(id));
00081     }
00082 
00083     const ipcIDNode *Find(const nsID &id) const
00084     {
00085         return FindNode(mHead, id);
00086     }
00087 
00088     void FindAndDelete(const nsID &id)
00089     {
00090         ipcIDNode *node = FindNodeBefore(mHead, id);
00091         if (node)
00092             DeleteAfter(node);
00093         else
00094             DeleteFirst();
00095     }
00096 
00097 private:
00098     static NS_HIDDEN_(ipcIDNode *) FindNode      (ipcIDNode *head, const nsID &id);
00099     static NS_HIDDEN_(ipcIDNode *) FindNodeBefore(ipcIDNode *head, const nsID &id);
00100 };
00101 
00102 #endif // !ipcIDList_h__