gecko-dev/mailnews/base/src/nsDecodeAppleFile.h
2001-02-13 21:48:26 +00:00

109 lines
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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):
*/
#ifndef nsDecodeAppleFile_h__
#define nsDecodeAppleFile_h__
#include "nsCom.h"
#include "nscore.h"
#include "nsCOMPtr.h"
#include "nsFileSpec.h"
class ProcessAppleDoubleResourceFork
{
public:
ProcessAppleDoubleResourceFork();
virtual ~ProcessAppleDoubleResourceFork();
OSErr Initialize(nsFileSpec& file);
OSErr Write(unsigned char *buffer, PRUint32 bufferSize, PRUint32* writeCount);
private:
OSErr Decodeheaders(unsigned char *buffer, PRUint32 bufferSize, PRUint32* processCount);
FSSpec m_fsFileSpec;
SInt16 m_rfRefNum;
PRBool m_bNeedToDecodeHeaders;
};
/*
** applefile definitions used
*/
#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#endif
#define APPLESINGLE_MAGIC 0x00051600L
#define APPLEDOUBLE_MAGIC 0x00051607L
#define VERSION 0x00020000
#define NUM_ENTRIES 6
#define ENT_DFORK 1L
#define ENT_RFORK 2L
#define ENT_NAME 3L
#define ENT_COMMENT 4L
#define ENT_DATES 8L
#define ENT_FINFO 9L
#define CONVERT_TIME 1265437696L
/*
** data type used in the header decoder.
*/
typedef struct ap_header
{
PRInt32 magic;
PRInt32 version;
char fill[16];
PRInt16 entries;
} ap_header;
typedef struct ap_entry
{
PRInt32 id;
PRInt32 offset;
PRInt32 length;
} ap_entry;
typedef struct ap_dates
{
PRInt32 create, modify, backup, access;
} ap_dates;
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#endif
/*
**Error codes
*/
enum {
errADNotEnoughData = -12099,
errADNotSupported,
errADBadVersion
};
#endif