RetroZilla/uriloader/exthandler/mac/nsDecodeAppleFile.h
2015-10-20 23:03:22 -04:00

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4.0 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 nsDecodeAppleFile_h__
#define nsDecodeAppleFile_h__
#include "nscore.h"
#include "nsCOMPtr.h"
#include "nsIFile.h"
#include "nsILocalFileMac.h"
#include "nsIOutputStream.h"
/*
** 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;
PRInt32 fill[4];
PRInt16 entriesCount;
} 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
};
class nsDecodeAppleFile : public nsIOutputStream
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOUTPUTSTREAM
nsDecodeAppleFile();
virtual ~nsDecodeAppleFile();
nsresult Initialize(nsIOutputStream *output, nsIFile *file);
private:
#define MAX_BUFFERSIZE 1024
enum ParserState {parseHeaders, parseEntries, parseLookupPart, parsePart, parseSkipPart,
parseDataFork, parseResourceFork, parseWriteThrough};
nsCOMPtr<nsIOutputStream> m_output;
FSSpec m_fsFileSpec;
SInt16 m_rfRefNum;
unsigned char * m_dataBuffer;
PRInt32 m_dataBufferLength;
ParserState m_state;
ap_header m_headers;
ap_entry * m_entries;
PRInt32 m_offset;
PRInt32 m_dataForkOffset;
PRInt32 m_totalDataForkWritten;
PRInt32 m_totalResourceForkWritten;
PRBool m_headerOk;
PRInt32 m_currentPartID;
PRInt32 m_currentPartLength;
PRInt32 m_currentPartCount;
Str255 m_comment;
ap_dates m_dates;
FInfo m_finderInfo;
FXInfo m_finderExtraInfo;
};
#endif