зеркало из https://github.com/mozilla/gecko-dev.git
152 строки
3.9 KiB
C++
152 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* IBM Corp.
|
|
*/
|
|
|
|
#define NS_IMPL_IDS
|
|
|
|
#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::Define(const char* prop, nsISupports* initialValue)
|
|
{
|
|
nsCStringKey key(prop);
|
|
if (Exists(&key))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsISupports* prevValue = (nsISupports*)Put(&key, initialValue);
|
|
NS_ASSERTION(prevValue == NULL, "hashtable error");
|
|
NS_IF_ADDREF(initialValue);
|
|
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::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);
|
|
if (!Exists(&key))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsISupports* prevValue = (nsISupports*)Put(&key, value);
|
|
NS_RELEASE(prevValue);
|
|
NS_IF_ADDREF(value);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsProperties::Has(const char* prop, PRBool *result)
|
|
{
|
|
nsCStringKey key(prop);
|
|
nsISupports* value = (nsISupports*)nsHashtable::Get(&key);
|
|
// XXX this is bogus because it doesn't distinguish between properties
|
|
// defined with a value NULL, and undefined properties, but we'll fix
|
|
// it later if it becomes a problem
|
|
*result = value != nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|