зеркало из https://github.com/mozilla/gecko-dev.git
New quoting interface
This commit is contained in:
rhp%netscape.com
Родитель
a99aa038bc
Коммит
04b7d1e78f
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. 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 this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsCOMPtr.h"
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#include "nsIURL.h"
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#include "nsIEventQueueService.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsIGenericFactory.h"
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#include "nsIServiceManager.h"
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#include "nsIStreamListener.h"
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#include "nsIStreamConverter.h"
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#include "nsFileStream.h"
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#include "nsFileSpec.h"
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#include "nsMimeTypes.h"
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#include "nsIPref.h"
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#include "nsICharsetConverterManager.h"
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#include "prprf.h"
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#include "nsMsgQuote.h"
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#include "nsINetService.h"
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//
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// Implementation...
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//
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nsMsgQuote::nsMsgQuote()
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{
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NS_INIT_REFCNT();
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}
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nsMsgQuote::~nsMsgQuote()
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{
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}
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/* the following macro actually implement addref, release and query interface for our component. */
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NS_IMPL_ISUPPORTS(nsMsgQuote, nsIMsgQuote::GetIID());
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/* this function will be used by the factory to generate an Message Compose Fields Object....*/
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nsresult
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NS_NewMsgQuote(const nsIID &aIID, void ** aInstancePtrResult)
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{
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/* note this new macro for assertions...they can take a string describing the assertion */
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NS_PRECONDITION(nsnull != aInstancePtrResult, "nsnull ptr");
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if (nsnull != aInstancePtrResult)
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{
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nsMsgQuote *pQuote = new nsMsgQuote();
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if (pQuote)
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return pQuote->QueryInterface(aIID, aInstancePtrResult);
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else
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return NS_ERROR_OUT_OF_MEMORY; /* we couldn't allocate the object */
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}
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else
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return NS_ERROR_NULL_POINTER; /* aInstancePtrResult was NULL....*/
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}
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// net service definitions....
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static NS_DEFINE_CID(kNetServiceCID, NS_NETSERVICE_CID);
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// stream converter
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static NS_DEFINE_CID(kStreamConverterCID, NS_STREAM_CONVERTER_CID);
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////////////////////////////////////////////////////////////////////////////////////
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// THIS IS A TEMPORARY CLASS THAT MAKES A DISK FILE LOOK LIKE A nsIInputStream
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// INTERFACE...this may already exist, but I didn't find it. Eventually, you would
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// just plugin a Necko stream when they are all rewritten to be new style streams
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////////////////////////////////////////////////////////////////////////////////////
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class FileInputStreamImpl : public nsIInputStream
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{
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public:
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FileInputStreamImpl(void)
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{
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NS_INIT_REFCNT();
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mBufLen = 0;
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mInFile = nsnull;
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}
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virtual ~FileInputStreamImpl(void)
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{
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if (mInFile) delete mInFile;
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}
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// nsISupports interface
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NS_DECL_ISUPPORTS
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// nsIBaseStream interface
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NS_IMETHOD Close(void)
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{
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if (mInFile)
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mInFile->close();
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return NS_OK;
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}
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// nsIInputStream interface
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NS_IMETHOD GetLength(PRUint32 *_retval)
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{
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*_retval = mBufLen;
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return NS_OK;
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}
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/* unsigned long Read (in charStar buf, in unsigned long count); */
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NS_IMETHOD Read(char * buf, PRUint32 count, PRUint32 *_retval)
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{
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nsCRT::memcpy(buf, mBuf, mBufLen);
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*_retval = mBufLen;
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return NS_OK;
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}
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NS_IMETHOD OpenDiskFile(nsFileSpec fs);
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NS_IMETHOD PumpFileStream();
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private:
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PRUint32 mBufLen;
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char mBuf[8192];
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nsIOFileStream *mInFile;
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};
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nsresult
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FileInputStreamImpl::OpenDiskFile(nsFileSpec fs)
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{
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mInFile = new nsIOFileStream(fs);
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if (!mInFile)
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return NS_ERROR_NULL_POINTER;
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mInFile->seek(0);
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return NS_OK;
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}
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nsresult
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FileInputStreamImpl::PumpFileStream()
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{
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if (mInFile->eof())
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NS_BASE_STREAM_EOF;
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mBufLen = mInFile->read(mBuf, sizeof(mBuf));
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if (mBufLen > 0)
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return NS_OK;
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else
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return NS_BASE_STREAM_EOF;
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}
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NS_IMPL_ISUPPORTS(FileInputStreamImpl, nsIInputStream::GetIID());
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////////////////////////////////////////////////////////////////////////////////////
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// End of FileInputStreamImpl()
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////////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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// Utility to make back slashes forward slashes...
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void
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FixURL(char *url)
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{
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char *ptr = url;
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while (*ptr != '\0')
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{
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if (*ptr == '\\')
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*ptr = '/';
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++ptr;
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}
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}
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// Utility to create a nsIURL object...
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nsresult
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NewURL(nsIURL** aInstancePtrResult, const nsString& aSpec)
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{
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if (nsnull == aInstancePtrResult)
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return NS_ERROR_NULL_POINTER;
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nsINetService *inet = nsnull;
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nsresult rv = nsServiceManager::GetService(kNetServiceCID, nsINetService::GetIID(),
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(nsISupports **)&inet);
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if (rv != NS_OK)
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return rv;
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rv = inet->CreateURL(aInstancePtrResult, aSpec, nsnull, nsnull, nsnull);
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nsServiceManager::ReleaseService(kNetServiceCID, inet);
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return rv;
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}
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nsresult
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nsMsgQuote::QuoteMessage(const PRUnichar *msgURI, nsIOutputStream *outStream)
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{
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char *filename = "n:\\mhtml\\enzo.eml";
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nsFilePath inFilePath(filename, PR_TRUE); // relative path.
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nsFileSpec mySpec(inFilePath);
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nsresult rv;
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char newURL[1024] = ""; // URL for filename
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nsIURL *aURL = nsnull;
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if (!mySpec.Exists())
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{
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printf("Unable to open input file %s\n", filename);
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return NS_ERROR_FAILURE;
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}
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// Create a mime parser (nsIStreamConverter)!
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nsCOMPtr<nsIStreamConverter> mimeParser;
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rv = nsComponentManager::CreateInstance(kStreamConverterCID,
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NULL, nsIStreamConverter::GetIID(),
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(void **) getter_AddRefs(mimeParser));
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if (NS_FAILED(rv) || !mimeParser)
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{
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printf("Failed to create MIME stream converter...\n");
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return rv;
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}
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// This is the producer stream that will deliver data from the disk file...
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nsCOMPtr<FileInputStreamImpl> in = do_QueryInterface(new FileInputStreamImpl());
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if (!in )
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{
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printf("Failed to create nsIInputStream\n");
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return NS_ERROR_FAILURE;
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}
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if (NS_FAILED(in->OpenDiskFile(mySpec)))
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{
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printf("Unable to open input file %s\n", filename);
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return NS_ERROR_FAILURE;
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}
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// Create an nsIURL object needed for stream IO...
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PR_snprintf(newURL, sizeof(newURL), "file://%s", filename);
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FixURL(newURL);
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if (NS_FAILED(NewURL(&aURL, nsString(newURL))))
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{
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printf("Unable to open input file\n");
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return NS_ERROR_FAILURE;
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}
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// Set us as the output stream for HTML data from libmime...
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if (NS_FAILED(mimeParser->SetOutputStream(outStream, newURL)))
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{
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printf("Unable to set the output stream for the mime parser...\ncould be failure to create internal libmime data\n");
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return NS_ERROR_FAILURE;
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}
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// Assuming this is an RFC822 message...
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mimeParser->OnStartBinding(aURL, MESSAGE_RFC822);
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// Just pump all of the data from the file into libmime...
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while (NS_SUCCEEDED(in->PumpFileStream()))
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{
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PRUint32 len;
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in->GetLength(&len);
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mimeParser->OnDataAvailable(aURL, in, len);
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}
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mimeParser->OnStopBinding(aURL, NS_OK, nsnull);
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NS_RELEASE(aURL);
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return NS_OK;
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}
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@ -0,0 +1,48 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. 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 this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef __nsMsgQuote_h__
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#define __nsMsgQuote_h__
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#include "nsIMsgQuote.h"
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#define NS_MSGQUOTE_CID \
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{0x1C7ABF0C, 0x21E5, 0x11d3, \
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{ 0x8E, 0xF1, 0x00, 0xA0, 0x24, 0xA7, 0xD1, 0x44 }}
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class nsMsgQuote: public nsIMsgQuote {
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public:
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nsMsgQuote();
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virtual ~nsMsgQuote();
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/* this macro defines QueryInterface, AddRef and Release for this class */
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NS_DECL_ISUPPORTS
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/* long QuoteMessage (in wstring msgURI, in nsIOutputStream outStream); */
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NS_IMETHOD QuoteMessage(const PRUnichar *msgURI, nsIOutputStream *outStream);
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//
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// Private data...
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//
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private:
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};
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// Will be used by factory to generate a nsMsgQuote class...
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nsresult NS_NewMsgQuote(const nsIID &aIID, void ** aInstancePtrResult);
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#endif /* __nsMsgQuote_h__ */
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