netwerk/streamconv/src/nsAppleFileDecoder.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Jean-Francois Ducarroz <ducarroz@netscape.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
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  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #ifndef nsAppleFileDecoder_h__
  40 #define nsAppleFileDecoder_h__
  41
  42 #include "nsIAppleFileDecoder.h"
  43 #include "nsILocalFileMac.h"
  44
  45 /*
  46 ** applefile definitions used
  47 */
  48 #if PRAGMA_STRUCT_ALIGN
  49   #pragma options align=mac68k
  50 #endif
  51
  52 #define APPLESINGLE_MAGIC   0x00051600L
  53 #define APPLEDOUBLE_MAGIC       0x00051607L
  54 #define VERSION             0x00020000
  55
  56 #define NUM_ENTRIES             6
  57
  58 #define ENT_DFORK               1L
  59 #define ENT_RFORK               2L
  60 #define ENT_NAME                3L
  61 #define ENT_COMMENT             4L
  62 #define ENT_DATES               8L
  63 #define ENT_FINFO               9L
  64
  65 #define CONVERT_TIME            1265437696L
  66
  67 /*
  68 ** data type used in the header decoder.
  69 */
  70 typedef struct ap_header
  71 {
  72         PRInt32         magic;
  73         PRInt32   version;
  74         PRInt32         fill[4];
  75         PRInt16         entriesCount;
  76
  77 } ap_header;
  78
  79 typedef struct ap_entry
  80 {
  81         PRInt32   id;
  82         PRInt32   offset;
  83         PRInt32   length;
  84
  85 } ap_entry;
  86
  87 typedef struct ap_dates
  88 {
  89         PRInt32 create, modify, backup, access;
  90
  91 } ap_dates;
  92
  93 #if PRAGMA_STRUCT_ALIGN
  94   #pragma options align=reset
  95 #endif
  96
  97 /*
  98 **Error codes
  99 */
 100 enum {
 101   errADNotEnoughData = -12099,
 102   errADNotSupported,
 103   errADBadVersion
 104 };
 105
 106
 107 class nsAppleFileDecoder : public nsIAppleFileDecoder
 108 {
 109 public:
 110   NS_DECL_ISUPPORTS
 111   NS_DECL_NSIOUTPUTSTREAM
 112   NS_DECL_NSIAPPLEFILEDECODER
 113
 114   nsAppleFileDecoder();
 115   virtual ~nsAppleFileDecoder();
 116
 117 private:
 118   #define MAX_BUFFERSIZE    1024
 119   enum ParserState {parseHeaders, parseEntries, parseLookupPart, parsePart, parseSkipPart,
 120                     parseDataFork, parseResourceFork, parseWriteThrough};
 121
 122   nsCOMPtr<nsIOutputStream> m_output;
 123   FSSpec            m_fsFileSpec;
 124   SInt16            m_rfRefNum;
 125
 126   unsigned char *   m_dataBuffer;
 127   PRInt32           m_dataBufferLength;
 128   ParserState       m_state;
 129   ap_header         m_headers;
 130   ap_entry *        m_entries;
 131   PRInt32           m_offset;
 132   PRInt32           m_dataForkOffset;
 133   PRInt32           m_totalDataForkWritten;
 134   PRInt32           m_totalResourceForkWritten;
 135   PRBool            m_headerOk;
 136
 137   PRInt32           m_currentPartID;
 138   PRInt32           m_currentPartLength;
 139   PRInt32           m_currentPartCount;
 140
 141   Str255            m_comment;
 142   ap_dates          m_dates;
 143   FInfo             m_finderInfo;
 144   FXInfo            m_finderExtraInfo;
 145 };
 146
 147 #endif