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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsDecodeAppleFile_h__
#define nsDecodeAppleFile_h__
#include "nscore.h"
#include "nsCOMPtr.h"
#include "nsIFile.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 {
int32_t magic;
int32_t version;
int32_t fill[4];
int16_t entriesCount;
} ap_header;
typedef struct ap_entry {
int32_t id;
int32_t offset;
int32_t length;
} ap_entry;
typedef struct ap_dates {
int32_t 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_THREADSAFE_ISUPPORTS
NS_DECL_NSIOUTPUTSTREAM
nsDecodeAppleFile();
virtual ~nsDecodeAppleFile();
[[nodiscard]] 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;
int32_t m_dataBufferLength;
ParserState m_state;
ap_header m_headers;
ap_entry* m_entries;
int32_t m_offset;
int32_t m_dataForkOffset;
int32_t m_totalDataForkWritten;
int32_t m_totalResourceForkWritten;
bool m_headerOk;
int32_t m_currentPartID;
int32_t m_currentPartLength;
int32_t m_currentPartCount;
Str255 m_comment;
ap_dates m_dates;
FInfo m_finderInfo;
FXInfo m_finderExtraInfo;
};
#endif
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