pjs/netwerk/base/public/nsIFileStreams.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsIInputStream.idl"
#include "nsIOutputStream.idl"
#include "nsILocalFile.idl"
[scriptable, uuid(e3d56a20-c7ec-11d3-8cda-0060b0fc14a3)]
interface nsIFileInputStream : nsIInputStream
{
void init(in nsIFile file, in long ioFlags, in long perm);
};
[scriptable, uuid(e6f68040-c7ec-11d3-8cda-0060b0fc14a3)]
interface nsIFileOutputStream : nsIOutputStream
{
void init(in nsIFile file, in long ioFlags, in long perm);
};
[scriptable, uuid(e9de5df0-c7ec-11d3-8cda-0060b0fc14a3)]
interface nsISeekableStream : nsISupports
{
// correspond to PRSeekWhence values
const long NS_SEEK_SET = 0;
const long NS_SEEK_CUR = 1;
const long NS_SEEK_END = 2;
void seek(in long whence, in long offset);
unsigned long tell();
};
[scriptable, uuid(616f5b48-da09-11d3-8cda-0060b0fc14a3)]
interface nsIBufferedInputStream : nsIInputStream
{
void init(in nsIInputStream fillFromStream,
in unsigned long bufferSize);
};
[scriptable, uuid(6476378a-da09-11d3-8cda-0060b0fc14a3)]
interface nsIBufferedOutputStream : nsIOutputStream
{
void init(in nsIOutputStream sinkToStream,
in unsigned long bufferSize);
};
%{C++
////////////////////////////////////////////////////////////////////////////////
#define NS_LOCALFILEINPUTSTREAM_CLASSNAME "Local File Input Stream"
#define NS_LOCALFILEINPUTSTREAM_PROGID "component://netscape/network/file-input-stream"
#define NS_LOCALFILEINPUTSTREAM_CID \
{ /* be9a53ae-c7e9-11d3-8cda-0060b0fc14a3 */ \
0xbe9a53ae, \
0xc7e9, \
0x11d3, \
{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
}
#define NS_LOCALFILEOUTPUTSTREAM_CLASSNAME "Local File Output Stream"
#define NS_LOCALFILEOUTPUTSTREAM_PROGID "component://netscape/network/file-output-stream"
#define NS_LOCALFILEOUTPUTSTREAM_CID \
{ /* c272fee0-c7e9-11d3-8cda-0060b0fc14a3 */ \
0xc272fee0, \
0xc7e9, \
0x11d3, \
{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
}
////////////////////////////////////////////////////////////////////////////////
#define NS_BUFFEREDINPUTSTREAM_CLASSNAME "Buffered Input Stream"
#define NS_BUFFEREDINPUTSTREAM_PROGID "component://netscape/network/buffered-input-stream"
#define NS_BUFFEREDINPUTSTREAM_CID \
{ /* 9226888e-da08-11d3-8cda-0060b0fc14a3 */ \
0x9226888e, \
0xda08, \
0x11d3, \
{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
}
#define NS_BUFFEREDOUTPUTSTREAM_CLASSNAME "Buffered Output Stream"
#define NS_BUFFEREDOUTPUTSTREAM_PROGID "component://netscape/network/buffered-output-stream"
#define NS_BUFFEREDOUTPUTSTREAM_CID \
{ /* 9868b4ce-da08-11d3-8cda-0060b0fc14a3 */ \
0x9868b4ce, \
0xda08, \
0x11d3, \
{0x8c, 0xda, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
}
////////////////////////////////////////////////////////////////////////////////
// move to nsNetUtil.h later...
#include "nsILoadGroup.h"
#include "nsIInterfaceRequestor.h"
#include "nsCOMPtr.h"
#include "nsIServiceManager.h"
#include "nsIChannel.h"
#include "nsILocalFile.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "prio.h" // for read/write flags, permissions, etc.
// This will QI the file argument to an nsILocalFile in the Init method.
inline nsresult
NS_NewLocalFileChannel(nsIFileChannel **result,
nsIFile* file,
PRInt32 ioFlags = -1,
PRInt32 perm = -1)
{
nsresult rv;
nsCOMPtr<nsIFileChannel> channel;
static NS_DEFINE_CID(kLocalFileChannelCID, NS_LOCALFILECHANNEL_CID);
rv = nsComponentManager::CreateInstance(kLocalFileChannelCID,
nsnull,
NS_GET_IID(nsIFileChannel),
getter_AddRefs(channel));
if (NS_FAILED(rv)) return rv;
rv = channel->Init(file, ioFlags, perm);
if (NS_FAILED(rv)) return rv;
*result = channel;
NS_ADDREF(*result);
return NS_OK;
}
// This will QI the file argument to an nsILocalFile in the Init method.
inline nsresult
NS_NewLocalFileInputStream(nsIInputStream* *result,
nsIFile* file,
PRInt32 ioFlags = -1,
PRInt32 perm = -1)
{
nsresult rv;
nsCOMPtr<nsIFileInputStream> in;
static NS_DEFINE_CID(kLocalFileInputStreamCID, NS_LOCALFILEINPUTSTREAM_CID);
rv = nsComponentManager::CreateInstance(kLocalFileInputStreamCID,
nsnull,
NS_GET_IID(nsIFileInputStream),
getter_AddRefs(in));
if (NS_FAILED(rv)) return rv;
rv = in->Init(file, ioFlags, perm);
if (NS_FAILED(rv)) return rv;
*result = in;
NS_ADDREF(*result);
return NS_OK;
}
// This will QI the file argument to an nsILocalFile in the Init method.
inline nsresult
NS_NewLocalFileOutputStream(nsIOutputStream* *result,
nsIFile* file,
PRInt32 ioFlags = -1,
PRInt32 perm = -1)
{
nsresult rv;
nsCOMPtr<nsIFileOutputStream> out;
static NS_DEFINE_CID(kLocalFileOutputStreamCID, NS_LOCALFILEOUTPUTSTREAM_CID);
rv = nsComponentManager::CreateInstance(kLocalFileOutputStreamCID,
nsnull,
NS_GET_IID(nsIFileOutputStream),
getter_AddRefs(out));
if (NS_FAILED(rv)) return rv;
rv = out->Init(file, ioFlags, perm);
if (NS_FAILED(rv)) return rv;
*result = out;
NS_ADDREF(*result);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
inline nsresult
NS_NewBufferedInputStream(nsIInputStream* *result,
nsIInputStream* str,
PRUint32 bufferSize)
{
nsresult rv;
nsCOMPtr<nsIBufferedInputStream> in;
static NS_DEFINE_CID(kBufferedInputStreamCID, NS_BUFFEREDINPUTSTREAM_CID);
rv = nsComponentManager::CreateInstance(kBufferedInputStreamCID,
nsnull,
NS_GET_IID(nsIBufferedInputStream),
getter_AddRefs(in));
if (NS_FAILED(rv)) return rv;
rv = in->Init(str, bufferSize);
if (NS_FAILED(rv)) return rv;
*result = in;
NS_ADDREF(*result);
return NS_OK;
}
inline nsresult
NS_NewBufferedOutputStream(nsIOutputStream* *result,
nsIOutputStream* str,
PRUint32 bufferSize)
{
nsresult rv;
nsCOMPtr<nsIBufferedOutputStream> out;
static NS_DEFINE_CID(kBufferedOutputStreamCID, NS_BUFFEREDOUTPUTSTREAM_CID);
rv = nsComponentManager::CreateInstance(kBufferedOutputStreamCID,
nsnull,
NS_GET_IID(nsIBufferedOutputStream),
getter_AddRefs(out));
if (NS_FAILED(rv)) return rv;
rv = out->Init(str, bufferSize);
if (NS_FAILED(rv)) return rv;
*result = out;
NS_ADDREF(*result);
return NS_OK;
}
%}