pjs/uriloader/exthandler/mac/nsDecodeAppleFile.h

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/* -*- 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 "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