gecko-dev/modules/ipc/common/ipcIDList.h

103 строки
3.1 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla IPC.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef ipcIDList_h__
#define ipcIDList_h__
#include "nsID.h"
#include "ipcList.h"
//-----------------------------------------------------------------------------
// nsID node
//-----------------------------------------------------------------------------
class ipcIDNode
{
public:
ipcIDNode(const nsID &id)
: mID(id)
{ }
const nsID &Value() const { return mID; }
PRBool Equals(const nsID &id) const { return mID.Equals(id); }
class ipcIDNode *mNext;
private:
nsID mID;
};
//-----------------------------------------------------------------------------
// singly-linked list of nsIDs
//-----------------------------------------------------------------------------
class ipcIDList : public ipcList<ipcIDNode>
{
public:
typedef ipcList<ipcIDNode> Super;
void Prepend(const nsID &id)
{
Super::Prepend(new ipcIDNode(id));
}
void Append(const nsID &id)
{
Super::Append(new ipcIDNode(id));
}
const ipcIDNode *Find(const nsID &id) const
{
return FindNode(mHead, id);
}
void FindAndDelete(const nsID &id)
{
ipcIDNode *node = FindNodeBefore(mHead, id);
if (node)
DeleteAfter(node);
else
DeleteFirst();
}
private:
static ipcIDNode *FindNode (ipcIDNode *head, const nsID &id);
static ipcIDNode *FindNodeBefore(ipcIDNode *head, const nsID &id);
};
#endif // !ipcIDList_h__