gecko-dev/network/cnvts/nsNetConverterStream.cpp

152 строки
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsNetConverterStream.h"
#include <stdio.h>
#include "net.h"
#include "nscore.h"
static NS_DEFINE_IID(kINetOStreamIID, NS_INETOSTREAM_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsNetConverterStream :: nsNetConverterStream()
{
NS_INIT_REFCNT();
mNextStream = nsnull;
}
nsNetConverterStream :: ~nsNetConverterStream()
{
mNextStream = nsnull;
}
NS_IMPL_ADDREF(nsNetConverterStream);
NS_IMPL_RELEASE(nsNetConverterStream);
nsresult nsNetConverterStream :: QueryInterface(const nsIID& aIID,
void** aInstancePtrResult)
{
if (!aInstancePtrResult)
{
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kISupportsIID))
{
*aInstancePtrResult = (void *)((nsISupports *)this);
AddRef();
return NS_OK;
}
if (aIID.Equals(kINetOStreamIID))
{
*aInstancePtrResult = (void *)((nsINetOStream *)this);
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
nsresult nsNetConverterStream :: Initialize(void *aStream)
{
mNextStream = aStream;
return NS_OK;
}
nsresult nsNetConverterStream :: Complete(void)
{
NET_StreamClass *stream;
stream = (NET_StreamClass *)mNextStream;
if (stream != NULL)
{
stream->complete(stream);
return NS_OK;
}
return NS_OK;
}
nsresult nsNetConverterStream :: Abort(PRInt32 status)
{
NET_StreamClass *stream;
stream = (NET_StreamClass *)mNextStream;
if (stream != NULL)
{
stream->abort(stream, status);
return NS_OK;
}
return NS_OK;
}
nsresult nsNetConverterStream :: WriteReady(PRUint32 *aReadyCount)
{
NET_StreamClass *stream;
stream = (NET_StreamClass *)mNextStream;
if (stream != NULL)
{
unsigned int ready;
ready = stream->is_write_ready(stream);
*aReadyCount = ready;
return NS_OK;
}
*aReadyCount = 0;
return NS_OK;
}
nsresult nsNetConverterStream :: Write(const char* aBuf, PRUint32 aOffset, PRUint32 aCount, PRUint32 *aWriteCount)
{
NET_StreamClass *stream;
stream = (NET_StreamClass *)mNextStream;
if (stream != NULL)
{
int ret;
ret = stream->put_block(stream, (char *)(aBuf + aOffset), aCount);
*aWriteCount = aCount;
return NS_OK;
}
*aWriteCount = 0;
return NS_OK;
}
nsresult nsNetConverterStream::Close(void)
{
return NS_OK;
}