зеркало из https://github.com/mozilla/gecko-dev.git
150 строки
6.2 KiB
C++
150 строки
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* 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):
|
|
*/
|
|
#ifndef nsIFileStream_h___
|
|
#define nsIFileStream_h___
|
|
|
|
#include "nsIInputStream.h"
|
|
#include "nsIOutputStream.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:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IOPENFILE_IID; return 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 nsISupports
|
|
{
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IRANDOMACCESS_IID; return iid; }
|
|
NS_IMETHOD Seek(PRSeekWhence whence, PRInt32 offset) = 0;
|
|
NS_IMETHOD Tell(PRIntn* outWhere) = 0;
|
|
|
|
/* "PROTECTED" */
|
|
NS_IMETHOD GetAtEOF(PRBool* outAtEOF) = 0;
|
|
NS_IMETHOD SetAtEOF(PRBool inAtEOF) = 0;
|
|
}; // class nsIRandomAccessStore
|
|
|
|
/* a6cf90e6-15b3-11d2-932e-00805f8add32 */
|
|
#define NS_IFILEINPUTSTREAM_IID \
|
|
{ 0xa6cf90e6, 0x15b3, 0x11d2, \
|
|
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
|
|
|
|
//========================================================================================
|
|
class nsIFileInputStream
|
|
// These are additional file-specific methods that files have, above what
|
|
// nsIInputStream supports. The current implementation supports both
|
|
// interfaces.
|
|
//========================================================================================
|
|
: public nsIInputStream
|
|
{
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IFILEINPUTSTREAM_IID; return iid; }
|
|
}; // class nsIFileInputStream
|
|
|
|
/* a6cf90e7-15b3-11d2-932e-00805f8add32 */
|
|
#define NS_IFILEOUTPUTSTREAM_IID \
|
|
{ 0xa6cf90e7, 0x15b3, 0x11d2, \
|
|
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
|
|
|
|
//========================================================================================
|
|
class nsIFileOutputStream
|
|
// These are additional file-specific methods that files have, above what
|
|
// nsIOutputStream supports. The current implementation supports both
|
|
// interfaces.
|
|
//========================================================================================
|
|
: public nsIOutputStream
|
|
{
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IFILEOUTPUTSTREAM_IID; return iid; }
|
|
}; // class nsIFileOutputStream
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
extern "C" NS_COM 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
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
extern "C" NS_COM nsresult NS_NewOutputConsoleStream(
|
|
nsISupports** aStreamResult);
|
|
// Factory method to get an nsOutputStream to the console.
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
extern "C" NS_COM 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 nsresult NS_NewTypicalIOFileStream(
|
|
nsISupports** aStreamResult, // will implement all the above interfaces
|
|
const nsFileSpec& inFile
|
|
/*default nsprMode = (PR_RDWR | PR_CREATE_FILE)*/
|
|
/*Default accessMode = 0700 (octal)*/);
|
|
// Factory method to get an object that implements both nsIInputStream
|
|
// and nsIOutputStream, associated with a single file.
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
extern "C" NS_COM 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 /* nsIFileStream_h___ */
|