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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIFileStream_h___
#define nsIFileStream_h___
#include "xpcomobsolete.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsISeekableStream.h"
#include "prio.h"
class nsFileSpec;
/* a6cf90e8-15b3-11d2-932e-00805f8add32 */
#define NS_IOPENFILE_IID \
{ 0xa6cf90e8, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
//========================================================================================
class nsIOpenFile
// Represents a file, and supports Open.
//========================================================================================
: public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IOPENFILE_IID)
NS_IMETHOD Open(
const nsFileSpec& inFile,
int nsprMode,
PRIntn accessMode) = 0;
// Note: Open() is only needed after
// an explicit Close(). All file streams
// are automatically opened on construction.
NS_IMETHOD GetIsOpen(PRBool* outOpen) = 0;
}; // class nsIOpenFile
/* a6cf90e8-15b3-11d2-932e-00805f8add32 */
#define NS_IRANDOMACCESS_IID \
{ 0xa6cf90eb, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
//========================================================================================
class nsIRandomAccessStore
// Supports Seek, Tell etc.
//========================================================================================
: public nsISeekableStream
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IRANDOMACCESS_IID)
/* "PROTECTED" */
NS_IMETHOD GetAtEOF(PRBool* outAtEOF) = 0;
NS_IMETHOD SetAtEOF(PRBool inAtEOF) = 0;
}; // class nsIRandomAccessStore
#ifndef NO_XPCOM_FILE_STREAMS // hack to work around duplicate class definitions in here
// and mozilla/netwerks/base/nsIFileStreams.idl
/* a6cf90e6-15b3-11d2-932e-00805f8add32 */
#define NS_IFILESPECINPUTSTREAM_IID \
{ 0xa6cf90e6, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
//========================================================================================
class nsIFileSpecInputStream
// These are additional file-specific methods that files have, above what
// nsIInputStream supports. The current implementation supports both
// interfaces.
//========================================================================================
: public nsIInputStream
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFILESPECINPUTSTREAM_IID)
}; // class nsIFileSpecInputStream
/* a6cf90e7-15b3-11d2-932e-00805f8add32 */
#define NS_IFILESPECOUTPUTSTREAM_IID \
{ 0xa6cf90e7, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
//========================================================================================
class nsIFileSpecOutputStream
// These are additional file-specific methods that files have, above what
// nsIOutputStream supports. The current implementation supports both
// interfaces.
//========================================================================================
: public nsIOutputStream
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFILESPECOUTPUTSTREAM_IID)
}; // class nsIFileSpecOutputStream
#endif // NO_XPCOM_FILE_STREAMS
//----------------------------------------------------------------------------------------
nsresult NS_NewTypicalInputFileStream(
nsISupports** aStreamResult,
const nsFileSpec& inFile
/*Default nsprMode == PR_RDONLY*/
/*Default accessmode = 0700 (octal)*/);
// Factory method to get an nsInputStream from a file, using most common options
//----------------------------------------------------------------------------------------
nsresult NS_NewTypicalOutputFileStream(
nsISupports** aStreamResult, // will implement all the above interfaces
const nsFileSpec& inFile
/*default nsprMode= (PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE)*/
/*Default accessMode= 0700 (octal)*/);
// Factory method to get an nsOutputStream to a file - most common case.
//----------------------------------------------------------------------------------------
extern "C" NS_COM_OBSOLETE nsresult NS_NewIOFileStream(
nsISupports** aStreamResult, // will implement all the above interfaces
const nsFileSpec& inFile,
PRInt32 nsprMode,
PRInt32 accessMode);
// Factory method to get an object that implements both nsIInputStream
// and nsIOutputStream, associated with a single file.
#endif /* nsIFileSpecStream_h___ */
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