зеркало из https://github.com/mozilla/pjs.git
110 строки
2.8 KiB
C++
110 строки
2.8 KiB
C++
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/* nsJARInputStream.cpp
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Netscape Communicator source code.
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Mitch Stoltz <mstoltz@netscape.com>
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*/
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#include "nsJARInputStream.h"
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#include "zipfile.h" // defines ZIP error codes
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#include "nsZipArchive.h"
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/*---------------------------------------------
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* nsISupports implementation
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*--------------------------------------------*/
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NS_IMPL_ISUPPORTS1(nsJARInputStream, nsIInputStream);
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/*----------------------------------------------------------
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* nsJARInputStream implementation
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*--------------------------------------------------------*/
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NS_IMETHODIMP
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nsJARInputStream::Available(PRUint32 *_retval)
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{
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if (mZip == 0)
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*_retval = 0;
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else
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*_retval = mZip->Available();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARInputStream::Read(char* buf, PRUint32 count, PRUint32 *_retval)
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{
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if (mZip == nsnull)
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*_retval = 0;
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else
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{
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if( (mZip->Read(buf, count, _retval)) != ZIP_OK )
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsJARInputStream::Close()
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{
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// In the future, this should tell mZip to free resources associated with reading
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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nsJARInputStream::Init(nsZipArchive* aZip, const char* aFilename)
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{
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if (aZip == 0 || aFilename == nsnull)
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return NS_ERROR_NULL_POINTER;
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mZip = aZip;
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PRInt32 result = mZip->ReadInit(aFilename);
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if (result != ZIP_OK)
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return NS_ERROR_FAILURE;
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else
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return NS_OK;
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}
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NS_METHOD
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nsJARInputStream::Create(nsISupports* ignored, const nsIID& aIID, void* *aResult)
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{
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nsJARInputStream* is = new nsJARInputStream();
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if (is == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(is);
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nsresult rv = is->QueryInterface(aIID, aResult);
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NS_RELEASE(is);
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return rv;
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}
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//----------------------------------------------
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// nsJARInputStream constructor and destructor
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//----------------------------------------------
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nsJARInputStream::nsJARInputStream()
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{
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NS_INIT_REFCNT();
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mZip = 0;
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}
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nsJARInputStream::~nsJARInputStream()
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{
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// In the future, this should tell mZip to free up resources associated with reading.
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}
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