netwerk/streamconv/src/nsAppleFileDecoder.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsAppleFileDecoder_h__
   7 #define nsAppleFileDecoder_h__
   8
   9 #include "nsIAppleFileDecoder.h"
  10 #include "nsILocalFileMac.h"
  11
  12 /*
  13 ** applefile definitions used
  14 */
  15 #if PRAGMA_STRUCT_ALIGN
  16   #pragma options align=mac68k
  17 #endif
  18
  19 #define APPLESINGLE_MAGIC   0x00051600L
  20 #define APPLEDOUBLE_MAGIC       0x00051607L
  21 #define VERSION             0x00020000
  22
  23 #define NUM_ENTRIES             6
  24
  25 #define ENT_DFORK               1L
  26 #define ENT_RFORK               2L
  27 #define ENT_NAME                3L
  28 #define ENT_COMMENT             4L
  29 #define ENT_DATES               8L
  30 #define ENT_FINFO               9L
  31
  32 #define CONVERT_TIME            1265437696L
  33
  34 /*
  35 ** data type used in the header decoder.
  36 */
  37 typedef struct ap_header
  38 {
  39         int32_t         magic;
  40         int32_t   version;
  41         int32_t         fill[4];
  42         int16_t         entriesCount;
  43
  44 } ap_header;
  45
  46 typedef struct ap_entry
  47 {
  48         int32_t   id;
  49         int32_t   offset;
  50         int32_t   length;
  51
  52 } ap_entry;
  53
  54 typedef struct ap_dates
  55 {
  56         int32_t create, modify, backup, access;
  57
  58 } ap_dates;
  59
  60 #if PRAGMA_STRUCT_ALIGN
  61   #pragma options align=reset
  62 #endif
  63
  64 /*
  65 **Error codes
  66 */
  67 enum {
  68   errADNotEnoughData = -12099,
  69   errADNotSupported,
  70   errADBadVersion
  71 };
  72
  73
  74 class nsAppleFileDecoder : public nsIAppleFileDecoder
  75 {
  76 public:
  77   NS_DECL_ISUPPORTS
  78   NS_DECL_NSIOUTPUTSTREAM
  79   NS_DECL_NSIAPPLEFILEDECODER
  80
  81   nsAppleFileDecoder();
  82   virtual ~nsAppleFileDecoder();
  83
  84 private:
  85   #define MAX_BUFFERSIZE    1024
  86   enum ParserState {parseHeaders, parseEntries, parseLookupPart, parsePart, parseSkipPart,
  87                     parseDataFork, parseResourceFork, parseWriteThrough};
  88
  89   nsCOMPtr<nsIOutputStream> m_output;
  90   FSSpec            m_fsFileSpec;
  91   SInt16            m_rfRefNum;
  92
  93   unsigned char *   m_dataBuffer;
  94   int32_t           m_dataBufferLength;
  95   ParserState       m_state;
  96   ap_header         m_headers;
  97   ap_entry *        m_entries;
  98   int32_t           m_offset;
  99   int32_t           m_dataForkOffset;
 100   int32_t           m_totalDataForkWritten;
 101   int32_t           m_totalResourceForkWritten;
 102   bool              m_headerOk;
 103
 104   int32_t           m_currentPartID;
 105   int32_t           m_currentPartLength;
 106   int32_t           m_currentPartCount;
 107
 108   Str255            m_comment;
 109   ap_dates          m_dates;
 110   FInfo             m_finderInfo;
 111   FXInfo            m_finderExtraInfo;
 112 };
 113
 114 #endif