зеркало из https://github.com/mozilla/gecko-dev.git
151 строка
4.2 KiB
C++
151 строка
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsProperties.h"
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//#include <iostream.h>
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////////////////////////////////////////////////////////////////////////////////
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nsProperties::nsProperties(nsISupports* outer)
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{
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NS_INIT_AGGREGATED(outer);
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}
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NS_METHOD
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nsProperties::Create(nsISupports *outer, REFNSIID aIID, void **aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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NS_ENSURE_PROPER_AGGREGATION(outer, aIID);
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nsProperties* props = new nsProperties(outer);
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if (props == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv = props->AggregatedQueryInterface(aIID, aResult);
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if (NS_FAILED(rv))
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delete props;
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return rv;
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}
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PRBool PR_CALLBACK
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nsProperties::ReleaseValues(nsHashKey* key, void* data, void* closure)
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{
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nsISupports* value = (nsISupports*)data;
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NS_IF_RELEASE(value);
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return PR_TRUE;
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}
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nsProperties::~nsProperties()
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{
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Enumerate(ReleaseValues);
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}
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NS_IMPL_AGGREGATED(nsProperties);
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NS_METHOD
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nsProperties::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtr);
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if (aIID.Equals(NS_GET_IID(nsISupports)))
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*aInstancePtr = GetInner();
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else if (aIID.Equals(NS_GET_IID(nsIProperties)))
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*aInstancePtr = NS_STATIC_CAST(nsIProperties*, this);
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else {
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*aInstancePtr = nsnull;
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return NS_NOINTERFACE;
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}
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::Get(const char* prop, const nsIID & uuid, void* *result)
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{
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nsresult rv;
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nsCStringKey key(prop);
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nsISupports* value = (nsISupports*)nsHashtable::Get(&key);
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if (value) {
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rv = value->QueryInterface(uuid, result);
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}
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else {
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rv = NS_ERROR_FAILURE;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsProperties::Set(const char* prop, nsISupports* value)
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{
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nsCStringKey key(prop);
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nsISupports* prevValue = (nsISupports*)Put(&key, value);
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NS_IF_RELEASE(prevValue);
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NS_IF_ADDREF(value);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::Undefine(const char* prop)
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{
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nsCStringKey key(prop);
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if (!Exists(&key))
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return NS_ERROR_FAILURE;
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nsISupports* prevValue = (nsISupports*)Remove(&key);
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NS_IF_RELEASE(prevValue);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::Has(const char* prop, PRBool *result)
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{
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nsCStringKey key(prop);
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*result = nsHashtable::Exists(&key);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProperties::GetKeys(PRUint32 *count, char ***keys)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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////////////////////////////////////////////////////////////////////////////////
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