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Diffstat (limited to '')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/ds/nsProperties.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/ds/nsProperties.cpp b/src/libs/xpcom18a4/xpcom/ds/nsProperties.cpp new file mode 100644 index 00000000..8276e4a5 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/ds/nsProperties.cpp @@ -0,0 +1,150 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** 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.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of 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 ***** */ + +#include "nsProperties.h" + +//#include <iostream.h> + +//////////////////////////////////////////////////////////////////////////////// + +nsProperties::nsProperties(nsISupports* outer) +{ + NS_INIT_AGGREGATED(outer); +} + +NS_METHOD +nsProperties::Create(nsISupports *outer, REFNSIID aIID, void **aResult) +{ + NS_ENSURE_ARG_POINTER(aResult); + NS_ENSURE_PROPER_AGGREGATION(outer, aIID); + + nsProperties* props = new nsProperties(outer); + if (props == NULL) + return NS_ERROR_OUT_OF_MEMORY; + + nsresult rv = props->AggregatedQueryInterface(aIID, aResult); + if (NS_FAILED(rv)) + delete props; + return rv; +} + +PRBool PR_CALLBACK +nsProperties::ReleaseValues(nsHashKey* key, void* data, void* closure) +{ + nsISupports* value = (nsISupports*)data; + NS_IF_RELEASE(value); + return PR_TRUE; +} + +nsProperties::~nsProperties() +{ + Enumerate(ReleaseValues); +} + +NS_IMPL_AGGREGATED(nsProperties) + +NS_METHOD +nsProperties::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr) +{ + NS_ENSURE_ARG_POINTER(aInstancePtr); + + if (aIID.Equals(NS_GET_IID(nsISupports))) + *aInstancePtr = GetInner(); + else if (aIID.Equals(NS_GET_IID(nsIProperties))) + *aInstancePtr = NS_STATIC_CAST(nsIProperties*, this); + else { + *aInstancePtr = nsnull; + return NS_NOINTERFACE; + } + + NS_ADDREF((nsISupports*)*aInstancePtr); + return NS_OK; +} + +NS_IMETHODIMP +nsProperties::Get(const char* prop, const nsIID & uuid, void* *result) +{ + nsresult rv; + nsCStringKey key(prop); + nsISupports* value = (nsISupports*)nsHashtable::Get(&key); + if (value) { + rv = value->QueryInterface(uuid, result); + } + else { + rv = NS_ERROR_FAILURE; + } + return rv; +} + +NS_IMETHODIMP +nsProperties::Set(const char* prop, nsISupports* value) +{ + nsCStringKey key(prop); + + nsISupports* prevValue = (nsISupports*)Put(&key, value); + NS_IF_RELEASE(prevValue); + NS_IF_ADDREF(value); + return NS_OK; +} + +NS_IMETHODIMP +nsProperties::Undefine(const char* prop) +{ + nsCStringKey key(prop); + if (!Exists(&key)) + return NS_ERROR_FAILURE; + + nsISupports* prevValue = (nsISupports*)Remove(&key); + NS_IF_RELEASE(prevValue); + return NS_OK; +} + +NS_IMETHODIMP +nsProperties::Has(const char* prop, PRBool *result) +{ + nsCStringKey key(prop); + *result = nsHashtable::Exists(&key); + return NS_OK; +} + +NS_IMETHODIMP +nsProperties::GetKeys(PRUint32 *count, char ***keys) +{ + return NS_ERROR_NOT_IMPLEMENTED; +} + +//////////////////////////////////////////////////////////////////////////////// |