зеркало из https://github.com/mozilla/pjs.git
308 строки
12 KiB
Plaintext
308 строки
12 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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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 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIInputStream.idl"
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#include "nsIOutputStream.idl"
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#include "nsISeekableStream.idl"
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interface nsIFile;
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/**
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* An input stream that allows you to read from a file.
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*/
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[scriptable, uuid(e3d56a20-c7ec-11d3-8cda-0060b0fc14a3)]
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interface nsIFileInputStream : nsIInputStream
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{
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/**
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* @param file file to read from (must QI to nsILocalFile)
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* @param ioFlags file open flags listed in prio.h
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* @param perm file mode bits listed in prio.h
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* @param behaviorFlags flags specifying various behaviors of the class
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* (see enumerations in the class)
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*/
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void init(in nsIFile file, in long ioFlags, in long perm,
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in long behaviorFlags);
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/**
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* If this is set, the file will be deleted by the time the stream is
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* closed. It may be removed before the stream is closed if it is possible
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* to delete it and still read from it.
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*
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* If OPEN_ON_READ is defined, and the file was recreated after the first
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* delete, the file will be deleted again when it is closed again.
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*/
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const long DELETE_ON_CLOSE = 1<<1;
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/**
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* If this is set, the file will close automatically when the end of the
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* file is reached.
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*/
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const long CLOSE_ON_EOF = 1<<2;
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/**
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* If this is set, the file will be reopened whenever Seek(0) occurs. If
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* the file is already open and the seek occurs, it will happen naturally.
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* (The file will only be reopened if it is closed for some reason.)
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*/
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const long REOPEN_ON_REWIND = 1<<3;
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};
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/**
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* An output stream that lets you stream to a file.
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*/
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[scriptable, uuid(e6f68040-c7ec-11d3-8cda-0060b0fc14a3)]
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interface nsIFileOutputStream : nsIOutputStream
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{
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/**
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* @param file - file to write to (must QI to nsILocalFile)
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* @param ioFlags - file open flags listed in prio.h
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* @param perm - file mode bits listed in prio.h
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* @param behaviorFlags flags specifying various behaviors of the class
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* (currently none supported)
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*/
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void init(in nsIFile file, in long ioFlags, in long perm,
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in long behaviorFlags);
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};
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/**
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* An input stream that reads ahead and keeps a buffer coming from another input
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* stream so that fewer accesses to the underlying stream are necessary.
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*/
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[scriptable, uuid(616f5b48-da09-11d3-8cda-0060b0fc14a3)]
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interface nsIBufferedInputStream : nsIInputStream
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{
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/**
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* @param fillFromStream - add buffering to this stream
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* @param bufferSize - specifies the maximum buffer size
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*/
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void init(in nsIInputStream fillFromStream,
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in unsigned long bufferSize);
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};
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/**
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* An output stream that stores up data to write out to another output stream
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* and does the entire write only when the buffer is full, so that fewer writes
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* to the underlying output stream are necessary.
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*/
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[scriptable, uuid(6476378a-da09-11d3-8cda-0060b0fc14a3)]
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interface nsIBufferedOutputStream : nsIOutputStream
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{
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/**
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* @param sinkToStream - add buffering to this stream
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* @param bufferSize - specifies the maximum buffer size
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*/
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void init(in nsIOutputStream sinkToStream,
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in unsigned long bufferSize);
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};
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%{C++
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////////////////////////////////////////////////////////////////////////////////
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#define NS_LOCALFILEINPUTSTREAM_CLASSNAME "Local File Input Stream"
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#define NS_LOCALFILEINPUTSTREAM_CONTRACTID "@mozilla.org/network/file-input-stream;1"
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#define NS_LOCALFILEINPUTSTREAM_CID \
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{ /* be9a53ae-c7e9-11d3-8cda-0060b0fc14a3 */ \
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0xbe9a53ae, \
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0xc7e9, \
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0x11d3, \
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{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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#define NS_LOCALFILEOUTPUTSTREAM_CLASSNAME "Local File Output Stream"
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#define NS_LOCALFILEOUTPUTSTREAM_CONTRACTID "@mozilla.org/network/file-output-stream;1"
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#define NS_LOCALFILEOUTPUTSTREAM_CID \
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{ /* c272fee0-c7e9-11d3-8cda-0060b0fc14a3 */ \
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0xc272fee0, \
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0xc7e9, \
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0x11d3, \
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{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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////////////////////////////////////////////////////////////////////////////////
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#define NS_BUFFEREDINPUTSTREAM_CLASSNAME "Buffered Input Stream"
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#define NS_BUFFEREDINPUTSTREAM_CONTRACTID "@mozilla.org/network/buffered-input-stream;1"
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#define NS_BUFFEREDINPUTSTREAM_CID \
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{ /* 9226888e-da08-11d3-8cda-0060b0fc14a3 */ \
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0x9226888e, \
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0xda08, \
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0x11d3, \
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{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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#define NS_BUFFEREDOUTPUTSTREAM_CLASSNAME "Buffered Output Stream"
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#define NS_BUFFEREDOUTPUTSTREAM_CONTRACTID "@mozilla.org/network/buffered-output-stream;1"
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#define NS_BUFFEREDOUTPUTSTREAM_CID \
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{ /* 9868b4ce-da08-11d3-8cda-0060b0fc14a3 */ \
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0x9868b4ce, \
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0xda08, \
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0x11d3, \
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{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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////////////////////////////////////////////////////////////////////////////////
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// move to nsNetUtil.h later...
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#include "nsCOMPtr.h"
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#include "nsIComponentManager.h"
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#include "nsIFileChannel.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "prio.h" // for read/write flags, permissions, etc.
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// This will QI the file argument to an nsILocalFile in the Init method.
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inline nsresult
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NS_NewLocalFileChannel(nsIFileChannel** aResult,
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nsIFile* aFile,
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PRInt32 aIOFlags = -1,
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PRInt32 aPerm = -1)
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{
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nsresult rv;
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nsCOMPtr<nsIFileChannel> channel;
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static NS_DEFINE_CID(kLocalFileChannelCID, NS_LOCALFILECHANNEL_CID);
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rv = nsComponentManager::CreateInstance(kLocalFileChannelCID,
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nsnull,
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NS_GET_IID(nsIFileChannel),
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getter_AddRefs(channel));
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if (NS_FAILED(rv)) return rv;
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rv = channel->Init(aFile, aIOFlags, aPerm);
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if (NS_FAILED(rv)) return rv;
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*aResult = channel;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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// This will QI the file argument to an nsILocalFile in the Init method.
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inline nsresult
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NS_NewLocalFileInputStream(nsIInputStream** aResult,
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nsIFile* aFile,
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PRInt32 aIOFlags = -1,
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PRInt32 aPerm = -1,
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PRInt32 aBehaviorFlags = 0)
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{
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nsresult rv;
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nsCOMPtr<nsIFileInputStream> in;
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static NS_DEFINE_CID(kLocalFileInputStreamCID, NS_LOCALFILEINPUTSTREAM_CID);
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rv = nsComponentManager::CreateInstance(kLocalFileInputStreamCID,
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nsnull,
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NS_GET_IID(nsIFileInputStream),
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getter_AddRefs(in));
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if (NS_FAILED(rv)) return rv;
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rv = in->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
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if (NS_FAILED(rv)) return rv;
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*aResult = in;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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// This will QI the file argument to an nsILocalFile in the Init method.
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inline nsresult
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NS_NewLocalFileOutputStream(nsIOutputStream** aResult,
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nsIFile* aFile,
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PRInt32 aIOFlags = -1,
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PRInt32 aPerm = -1,
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PRInt32 aBehaviorFlags = 0)
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{
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nsresult rv;
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nsCOMPtr<nsIFileOutputStream> out;
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static NS_DEFINE_CID(kLocalFileOutputStreamCID, NS_LOCALFILEOUTPUTSTREAM_CID);
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rv = nsComponentManager::CreateInstance(kLocalFileOutputStreamCID,
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nsnull,
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NS_GET_IID(nsIFileOutputStream),
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getter_AddRefs(out));
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if (NS_FAILED(rv)) return rv;
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rv = out->Init(aFile, aIOFlags, aPerm, aBehaviorFlags);
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if (NS_FAILED(rv)) return rv;
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*aResult = out;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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inline nsresult
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NS_NewBufferedInputStream(nsIInputStream** aResult,
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nsIInputStream* aStr,
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PRUint32 aBufferSize)
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{
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nsresult rv;
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nsCOMPtr<nsIBufferedInputStream> in;
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static NS_DEFINE_CID(kBufferedInputStreamCID, NS_BUFFEREDINPUTSTREAM_CID);
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rv = nsComponentManager::CreateInstance(kBufferedInputStreamCID,
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nsnull,
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NS_GET_IID(nsIBufferedInputStream),
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getter_AddRefs(in));
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if (NS_FAILED(rv)) return rv;
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rv = in->Init(aStr, aBufferSize);
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if (NS_FAILED(rv)) return rv;
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*aResult = in;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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inline nsresult
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NS_NewBufferedOutputStream(nsIOutputStream** aResult,
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nsIOutputStream* aStr,
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PRUint32 aBufferSize)
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{
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nsresult rv;
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nsCOMPtr<nsIBufferedOutputStream> out;
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static NS_DEFINE_CID(kBufferedOutputStreamCID, NS_BUFFEREDOUTPUTSTREAM_CID);
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rv = nsComponentManager::CreateInstance(kBufferedOutputStreamCID,
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nsnull,
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NS_GET_IID(nsIBufferedOutputStream),
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getter_AddRefs(out));
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if (NS_FAILED(rv)) return rv;
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rv = out->Init(aStr, aBufferSize);
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if (NS_FAILED(rv)) return rv;
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*aResult = out;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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%}
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