зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
2.4 KiB
C++
111 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "MPL"); you may not use this file except in
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* compliance with the MPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of the Original Code is Alexander. Portions
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* created by Alexander Larsson are Copyright (C) 1999
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* Alexander Larsson. All Rights Reserved.
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*/
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#include "nscore.h"
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#include "GtkMozillaInputStream.h"
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#include "stdio.h"
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GtkMozillaInputStream::GtkMozillaInputStream(void)
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{
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mBuffer = nsnull;
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}
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GtkMozillaInputStream::~GtkMozillaInputStream(void)
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{
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}
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NS_IMETHODIMP
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GtkMozillaInputStream::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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nsISupports *ifp = nsnull;
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if (aIID.Equals(NS_GET_IID(nsIInputStream))) {
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ifp = (nsIInputStream*)this;
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} else if(aIID.Equals(NS_GET_IID(nsIBaseStream))) {
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ifp = (nsIBaseStream*)this;;
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} else if(aIID.Equals(NS_GET_IID(nsISupports))) {
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ifp = this;
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} else {
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*aInstancePtr = 0;
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return NS_NOINTERFACE;
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}
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*aInstancePtr = (void *)ifp;
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NS_ADDREF(ifp);
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return NS_OK;
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}
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NS_IMPL_RELEASE(GtkMozillaInputStream)
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NS_IMPL_ADDREF(GtkMozillaInputStream)
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// nsIInputStream interface
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NS_IMETHODIMP
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GtkMozillaInputStream::Available(PRUint32 *aLength)
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{
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*aLength = mCount;
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return NS_OK;
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}
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NS_IMETHODIMP
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GtkMozillaInputStream::Read(char* aBuf, PRUint32 aCount, PRUint32 *aReadCount)
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{
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if (mCount<aCount)
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mReadCount = mCount;
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else
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mReadCount = aCount;
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memcpy(aBuf, mBuffer, mReadCount);
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*aReadCount = mReadCount;
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mBuffer = nsnull;
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mCount = 0;
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return NS_OK;
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}
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// nsIBaseStream interface
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NS_IMETHODIMP
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GtkMozillaInputStream::Close(void)
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{
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printf("GtkMozillaInputStream::Close() called.\n");
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return NS_OK;
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}
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// Specific interface
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NS_IMETHODIMP
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GtkMozillaInputStream::Fill(const char *aBuffer, PRUint32 aCount)
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{
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mBuffer = aBuffer;
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mCount = aCount;
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return NS_OK;
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}
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NS_IMETHODIMP
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GtkMozillaInputStream::FillResult(PRUint32 *aReadCount)
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{
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*aReadCount = mReadCount;
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return NS_OK;
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}
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