michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsDecodeAppleFile_h__
michael@0: #define nsDecodeAppleFile_h__
michael@0: 
michael@0: #include "nscore.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsILocalFileMac.h"
michael@0: #include "nsIOutputStream.h"
michael@0: 
michael@0: /*
michael@0: ** applefile definitions used 
michael@0: */
michael@0: #if PRAGMA_STRUCT_ALIGN
michael@0:   #pragma options align=mac68k
michael@0: #endif
michael@0: 
michael@0: #define APPLESINGLE_MAGIC   0x00051600L
michael@0: #define APPLEDOUBLE_MAGIC 	0x00051607L
michael@0: #define VERSION             0x00020000
michael@0: 
michael@0: #define NUM_ENTRIES 		6
michael@0: 
michael@0: #define ENT_DFORK   		1L
michael@0: #define ENT_RFORK   		2L
michael@0: #define ENT_NAME    		3L
michael@0: #define ENT_COMMENT 		4L
michael@0: #define ENT_DATES   		8L
michael@0: #define ENT_FINFO   		9L
michael@0: 
michael@0: #define CONVERT_TIME 		1265437696L
michael@0: 
michael@0: /*
michael@0: ** data type used in the header decoder.
michael@0: */
michael@0: typedef struct ap_header 
michael@0: {
michael@0: 	int32_t 	magic;
michael@0: 	int32_t   version;
michael@0: 	int32_t 	fill[4];
michael@0: 	int16_t 	entriesCount;
michael@0: 
michael@0: } ap_header;
michael@0: 
michael@0: typedef struct ap_entry 
michael@0: {
michael@0: 	int32_t   id;
michael@0: 	int32_t	  offset;
michael@0: 	int32_t	  length;
michael@0: 	
michael@0: } ap_entry;
michael@0: 
michael@0: typedef struct ap_dates 
michael@0: {
michael@0: 	int32_t create, modify, backup, access;
michael@0: 
michael@0: } ap_dates;
michael@0: 
michael@0: #if PRAGMA_STRUCT_ALIGN
michael@0:   #pragma options align=reset
michael@0: #endif
michael@0: 
michael@0: /*
michael@0: **Error codes
michael@0: */
michael@0: enum {
michael@0:   errADNotEnoughData = -12099,
michael@0:   errADNotSupported,
michael@0:   errADBadVersion
michael@0: };
michael@0: 
michael@0: 
michael@0: class nsDecodeAppleFile : public nsIOutputStream
michael@0: {
michael@0: public:
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0:   NS_DECL_NSIOUTPUTSTREAM
michael@0:   
michael@0:   nsDecodeAppleFile();
michael@0:   virtual ~nsDecodeAppleFile();
michael@0:   
michael@0:   nsresult Initialize(nsIOutputStream *output, nsIFile *file);
michael@0:   
michael@0: private:
michael@0:   #define MAX_BUFFERSIZE    1024
michael@0:   enum ParserState {parseHeaders, parseEntries, parseLookupPart, parsePart, parseSkipPart,
michael@0:                     parseDataFork, parseResourceFork, parseWriteThrough};
michael@0:   
michael@0:   nsCOMPtr<nsIOutputStream> m_output;
michael@0:   FSSpec            m_fsFileSpec;
michael@0:   SInt16            m_rfRefNum;
michael@0:   
michael@0:   unsigned char *   m_dataBuffer;
michael@0:   int32_t           m_dataBufferLength;
michael@0:   ParserState       m_state;
michael@0:   ap_header         m_headers;
michael@0:   ap_entry *        m_entries;
michael@0:   int32_t           m_offset;
michael@0:   int32_t           m_dataForkOffset;
michael@0:   int32_t           m_totalDataForkWritten;
michael@0:   int32_t           m_totalResourceForkWritten;
michael@0:   bool              m_headerOk;
michael@0:   
michael@0:   int32_t           m_currentPartID;
michael@0:   int32_t           m_currentPartLength;
michael@0:   int32_t           m_currentPartCount;
michael@0:   
michael@0:   Str255            m_comment;
michael@0:   ap_dates          m_dates;
michael@0:   FInfo             m_finderInfo;
michael@0:   FXInfo            m_finderExtraInfo;
michael@0: };
michael@0: 
michael@0: #endif