gecko/modules/libpref/public/PPrefTuple.h

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/* ***** 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 preference service code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mike Kristoffersen <moz@mikek.dk> (Original Author)
*
* 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 dom_pref_hash_entry_array_IPC_serialiser
#define dom_pref_hash_entry_array_IPC_serialiser
#include "IPC/IPCMessageUtils.h"
#include "nsTArray.h"
#include "pldhash.h"
#include "nsIPrefService.h"
#include "PrefTuple.h"
namespace IPC {
template <>
struct ParamTraits<PrefTuple>
{
typedef PrefTuple paramType;
// Function to serialize a PrefTuple
static void Write(Message *aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.key);
WriteParam(aMsg, (PRUint32)aParam.type);
switch (aParam.type) {
case PrefTuple::PREF_STRING:
WriteParam(aMsg, aParam.stringVal);
break;
case PrefTuple::PREF_INT:
WriteParam(aMsg, aParam.intVal);
break;
case PrefTuple::PREF_BOOL:
WriteParam(aMsg, aParam.boolVal);
break;
}
}
// Function to de-serialize a PrefTuple
static bool Read(const Message* aMsg, void **aIter, paramType* aResult)
{
PRUint32 type;
if (!ReadParam(aMsg, aIter, &(aResult->key)))
return false;
if (!ReadParam(aMsg, aIter, &type))
return false;
switch (type) {
case PrefTuple::PREF_STRING:
aResult->type = PrefTuple::PREF_STRING;
if (!ReadParam(aMsg, aIter, &(aResult->stringVal)))
return false;
break;
case PrefTuple::PREF_INT:
aResult->type = PrefTuple::PREF_INT;
if (!ReadParam(aMsg, aIter, &(aResult->intVal)))
return false;
break;
case PrefTuple::PREF_BOOL:
aResult->type = PrefTuple::PREF_BOOL;
if (!ReadParam(aMsg, aIter, &(aResult->boolVal)))
return false;
break;
}
return true;
}
} ;
}
#endif