Issue #1829 - Revert “Issue #1751 - Remove Mac code behind MOZ_WIDGET_TOOLKIT == 'cocoa’”

This reverts commit 1fe9c19305dadf2d5bcaa0e589fcd250389dfa8a.

5 files changed, 1292 insertions, 0 deletions

diff --git a/mailnews/compose/src/moz.build b/mailnews/compose/src/moz.build
index 831a0340f4..dcb9960a66 100644
--- a/mailnews/compose/src/moz.build
+++ b/mailnews/compose/src/moz.build
@@ -35,6 +35,16 @@ SOURCES += [
     'nsURLFetcher.cpp',
 ]
 
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+    SOURCES += [
+        'nsMsgAppleDoubleEncode.cpp',
+        'nsMsgAppleEncode.cpp',
+    ]
+    EXPORTS += [
+        'nsMsgAppleCodes.h',
+        'nsMsgAppleDouble.h',
+    ]
+
 EXTRA_COMPONENTS += [
     'nsSMTPProtocolHandler.js',
     'nsSMTPProtocolHandler.manifest',
diff --git a/mailnews/compose/src/nsMsgAppleCodes.h b/mailnews/compose/src/nsMsgAppleCodes.h
new file mode 100644
index 0000000000..d8ca2f327c
--- /dev/null
+++ b/mailnews/compose/src/nsMsgAppleCodes.h
@@ -0,0 +1,106 @@
+/* -*- 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/. */
+
+/*
+**	AD_Codes.h
+**
+**	---------------
+**
+**		Head file for Apple Decode/Encode essential codes.
+**
+**
+*/
+
+#ifndef ad_codes_h
+#define ad_codes_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 encoder/decoder.
+*/
+typedef struct ap_header 
+{
+	int32_t 	magic;
+	int32_t	version;
+	char 	fill[16];
+	int16_t 	entries;
+
+} 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;
+
+typedef struct myFInfo			/* the mac FInfo structure for the cross platform. */
+{	
+	int32_t	fdType, fdCreator;
+	int16_t	fdFlags;
+	int32_t	fdLocation;			/* it really should  be a pointer, but just a place-holder  */
+	int16_t	fdFldr;	
+
+}	myFInfo;
+
+PR_BEGIN_EXTERN_C
+/*
+**	string utils.
+*/
+int write_stream(appledouble_encode_object *p_ap_encode_obj, const char *s,int len);
+
+int fill_apple_mime_header(appledouble_encode_object *p_ap_encode_obj);
+int ap_encode_file_infor(appledouble_encode_object *p_ap_encode_obj);
+int ap_encode_header(appledouble_encode_object* p_ap_encode_obj, bool firstTime);
+int ap_encode_data(  appledouble_encode_object* p_ap_encode_obj, bool firstTime);
+
+/*
+**	the prototypes for the ap_decoder.
+*/
+int  fetch_a_line(appledouble_decode_object* p_ap_decode_obj, char *buff);
+int  ParseFileHeader(appledouble_decode_object* p_ap_decode_obj);
+int  ap_seek_part_start(appledouble_decode_object* p_ap_decode_obj);
+void parse_param(char *p, char **param, char**define, char **np);
+int  ap_seek_to_boundary(appledouble_decode_object* p_ap_decode_obj, bool firstime);
+int  ap_parse_header(appledouble_decode_object* p_ap_decode_obj,bool firstime);
+int  ap_decode_file_infor(appledouble_decode_object* p_ap_decode_obj);
+int  ap_decode_process_header(appledouble_decode_object* p_ap_decode_obj, bool firstime);
+int  ap_decode_process_data(  appledouble_decode_object* p_ap_decode_obj, bool firstime);
+
+PR_END_EXTERN_C
+ 
+#if PRAGMA_STRUCT_ALIGN
+  #pragma options align=reset
+#endif
+
+#endif /* ad_codes_h */
diff --git a/mailnews/compose/src/nsMsgAppleDouble.h b/mailnews/compose/src/nsMsgAppleDouble.h
new file mode 100644
index 0000000000..f4ae934add
--- /dev/null
+++ b/mailnews/compose/src/nsMsgAppleDouble.h
@@ -0,0 +1,207 @@
+/* -*- 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/. */
+
+/* 
+*   AppleDouble.h
+*	-------------
+*
+*  	  The header file for a stream based apple single/double encodor/decodor.
+*		
+*		2aug95	mym		
+*		
+*/
+
+
+#ifndef AppleDouble_h
+#define AppleDouble_h
+
+#include "msgCore.h"
+#include "nsComposeStrings.h"
+#include "nsIOutputStream.h"
+#include "nsCOMPtr.h"
+
+#include <CoreServices/CoreServices.h>
+
+#define NOERR			0
+#define errDone			1
+								/* Done with current operation.	*/
+#define errEOB			2
+								/* 	End of a buffer.			*/
+#define errEOP			3	
+								/* 	End of a Part.				*/
+
+					
+#define errFileOpen	NS_ERROR_GET_CODE(NS_MSG_UNABLE_TO_OPEN_TMP_FILE)
+#define errFileWrite	-202 /*Error writing temporary file.*/
+#define errUsrCancel	-2  /*MK_INTERRUPTED */
+#define errDecoding		-1
+
+/*
+** The envirment block data type. 
+*/
+enum 
+{ 
+	kInit, 
+	kDoingHeaderPortion, 
+	kDoneHeaderPortion, 
+	kDoingDataPortion, 
+	kDoneDataPortion 
+};
+
+typedef struct _appledouble_encode_object 
+{
+    char    fname[256];
+    FSIORefNum fileId;				/* the id for the open file (data/resource fork) */
+
+	int 	state;
+	int		text_file_type;		/* if the file has a text file type with it.	*/
+	char	*boundary;			/* the boundary string.							*/
+
+	int		status;				/* the error code if anyerror happens.			*/
+	char 	b_overflow[200];
+	int		s_overflow;
+	
+	int		state64;			/* the left over state of base64 enocding 		*/
+	int		ct;					/* the character count of base64 encoding		*/
+	int 	c1, c2;				/* the left of the last base64 encoding 		*/		
+
+	char 	*outbuff;			/* the outbuff by the caller.           		*/
+	int		s_outbuff;			/* the size of the buffer.						*/
+	int		pos_outbuff;		/* the offset in the current buffer.			*/ 
+
+} appledouble_encode_object;
+
+/* The possible content transfer encodings */
+
+enum 
+{ 
+	kEncodeNone,
+	kEncodeQP,
+	kEncodeBase64,
+	kEncodeUU
+};
+
+enum 
+{ 
+	kGeneralMine,
+	kAppleDouble,
+	kAppleSingle
+};
+
+enum 
+{ 
+	kInline,
+	kDontCare
+};
+
+enum 
+{ 
+	kHeaderPortion,
+	kDataPortion
+};
+
+/* the decode states.	*/
+enum 
+{ 
+	kBeginParseHeader = 3,
+	kParsingHeader,
+	kBeginSeekBoundary,
+	kSeekingBoundary,
+	kBeginHeaderPortion, 
+	kProcessingHeaderPortion, 
+	kBeginDataPortion, 
+	kProcessingDataPortion, 
+	kFinishing
+};
+
+/* uuencode states */
+enum
+{
+	kWaitingForBegin = (int) 0,
+	kBegin,
+	kMainBody,
+	kEnd
+};
+
+typedef struct _appledouble_decode_object 
+{
+	int		is_binary;
+	int		is_apple_single;	/* if the object encoded is in apple single		*/
+	int		write_as_binhex;
+	
+	int		messagetype;
+	char*	boundary0;			/* the boundary for the enclosure.				*/
+	int		deposition;			/* the deposition.								*/
+	int		encoding;			/* the encoding method.							*/
+	int		which_part;
+	
+	char	fname[256];
+	// nsIOFileStream *fileSpec;					/* the stream for data fork work.					 */
+
+	int 	state;
+	
+	int		rksize;				/* the resource fork size count.				*/
+	int		dksize;				/* the data fork size count.					*/
+	 
+	int		status;				/* the error code if anyerror happens.			*/
+	char 	b_leftover[256];
+	int		s_leftover;
+	
+	int		encode;				/* the encode type of the message.				*/
+	int		state64;			/* the left over state of base64 enocding 		*/
+	int		left;				/* the character count of base64 encoding		*/
+	int 	c[4];				/* the left of the last base64 encoding 		*/		
+	int		uu_starts_line;		/* is decoder at the start of a line? (uuencode)	*/
+	int		uu_state;			/* state w/r/t the uuencode body */
+	int		uu_bytes_written;	/* bytes written from the current tuple (uuencode) */
+	int		uu_line_bytes;		/* encoded bytes remaining in the current line (uuencode) */
+
+	char 	*inbuff;			/* the outbuff by the caller.           		*/
+	int		s_inbuff;			/* the size of the buffer.						*/
+	int		pos_inbuff;			/* the offset in the current buffer.			*/ 
+
+
+	nsCOMPtr <nsIFile> tmpFile;		/* the temp file to hold the decode data fork 	*/
+								                      /* when doing the binhex exporting.				*/
+  nsCOMPtr <nsIOutputStream> tmpFileStream; /* The output File Stream */
+	int32_t	            data_size;			/* the size of the data in the tmp file.		*/
+
+} appledouble_decode_object;
+
+
+/*
+**	The protypes.
+*/
+
+PR_BEGIN_EXTERN_C
+
+int ap_encode_init(appledouble_encode_object *p_ap_encode_obj, 
+					const char* fname,
+					char* separator);
+
+int ap_encode_next(appledouble_encode_object* p_ap_encode_obj, 
+					char 	*to_buff,
+					int32_t 	buff_size,
+					int32_t*	real_size);
+
+int ap_encode_end(appledouble_encode_object* p_ap_encode_obj,
+					bool	is_aborting);
+
+int ap_decode_init(appledouble_decode_object* p_ap_decode_obj,
+					bool	is_apple_single,
+					bool	write_as_bin_hex,
+					void  	*closure);
+
+int ap_decode_next(appledouble_decode_object* p_ap_decode_obj, 
+					char 	*in_buff, 
+					int32_t 	buff_size);
+
+int ap_decode_end(appledouble_decode_object* p_ap_decode_obj, 
+				 	bool is_aborting);
+
+PR_END_EXTERN_C
+
+#endif
diff --git a/mailnews/compose/src/nsMsgAppleDoubleEncode.cpp b/mailnews/compose/src/nsMsgAppleDoubleEncode.cpp
new file mode 100644
index 0000000000..4d71781233
--- /dev/null
+++ b/mailnews/compose/src/nsMsgAppleDoubleEncode.cpp
@@ -0,0 +1,266 @@
+/* -*- 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/. */
+
+/*
+*
+*   apple-double.c
+*	--------------
+*
+*  	  The codes to do apple double encoding/decoding.
+*		
+*		02aug95		mym		created.
+*		
+*/
+#include "nsID.h"
+#include "nscore.h"
+#include "nsStringGlue.h"
+#include "nsMsgAppleDouble.h"
+#include "nsMsgAppleCodes.h"
+#include "nsMsgCompUtils.h"
+#include "nsCExternalHandlerService.h"
+#include "nsIMIMEService.h"
+#include "nsMimeTypes.h"
+#include "prmem.h"
+#include "nsNetUtil.h"
+
+
+void	
+MacGetFileType(nsIFile   *fs, 
+               bool         *useDefault, 
+               char         **fileType, 
+               char         **encoding)
+{
+	if ((fs == NULL) || (fileType == NULL) || (encoding == NULL))
+		return;
+
+  bool exists = false;
+  fs->Exists(&exists);
+  if (!exists)
+    return;
+
+	*useDefault = TRUE;
+	*fileType = NULL;
+	*encoding = NULL;
+
+  nsCOMPtr<nsILocalFileMac> macFile = do_QueryInterface(fs);
+  FSRef fsRef;
+  FSCatalogInfo catalogInfo;
+  OSErr err = errFileOpen;
+  if (NS_SUCCEEDED(macFile->GetFSRef(&fsRef)))
+    err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoFinderInfo, &catalogInfo, nullptr, nullptr, nullptr);
+
+  if ( (err != noErr) || (((FileInfo*)(&catalogInfo.finderInfo))->fileType == 'TEXT') )
+    *fileType = strdup(APPLICATION_OCTET_STREAM);
+  else
+  {
+    // At this point, we should call the mime service and
+    // see what we can find out?
+    nsresult      rv;
+    nsCOMPtr <nsIURI> tURI;
+    if (NS_SUCCEEDED(NS_NewFileURI(getter_AddRefs(tURI), fs)) && tURI)
+    {
+      nsCOMPtr<nsIMIMEService> mimeFinder (do_GetService(NS_MIMESERVICE_CONTRACTID, &rv));
+      if (NS_SUCCEEDED(rv) && mimeFinder) 
+      {
+        nsAutoCString mimeType;
+        rv = mimeFinder->GetTypeFromURI(tURI, mimeType);
+        if (NS_SUCCEEDED(rv)) 
+        {
+          *fileType = ToNewCString(mimeType);
+          return;
+        }        
+      }
+    }
+
+    // If we hit here, return something...default to this...
+    *fileType = strdup(APPLICATION_OCTET_STREAM);
+  }
+}
+
+//#pragma cplusplus reset
+
+/*
+*	ap_encode_init
+*	--------------
+*	
+*	Setup the encode envirment
+*/
+
+int ap_encode_init( appledouble_encode_object *p_ap_encode_obj,
+                    const char                *fname,
+                    char                      *separator)
+{
+  nsCOMPtr <nsIFile> myFile;
+  NS_NewNativeLocalFile(nsDependentCString(fname), true, getter_AddRefs(myFile));
+  bool exists;
+  if (myFile && NS_SUCCEEDED(myFile->Exists(&exists)) && !exists)
+    return -1;
+
+  nsCOMPtr<nsILocalFileMac> macFile = do_QueryInterface(myFile);
+  nsAutoCString path;
+  macFile->GetNativePath(path);
+
+	memset(p_ap_encode_obj, 0, sizeof(appledouble_encode_object));
+	
+	/*
+	**	Fill out the source file inforamtion.
+	*/	
+  memcpy(p_ap_encode_obj->fname, path.get(), path.Length());
+  p_ap_encode_obj->fname[path.Length()] = '\0';
+	
+	p_ap_encode_obj->boundary = strdup(separator);
+	return noErr;
+}
+
+/*
+**	ap_encode_next
+**	--------------
+**		
+**		return :
+**			noErr	:	everything is ok
+**			errDone	:	when encoding is done.
+**			errors	:	otherwise.
+*/
+int ap_encode_next(
+	appledouble_encode_object* p_ap_encode_obj, 
+	char 	*to_buff, 
+	int32_t 	buff_size, 
+	int32_t* 	real_size)
+{
+	int status;
+	
+	/*
+	** 	install the out buff now.
+	*/
+	p_ap_encode_obj->outbuff     = to_buff;
+	p_ap_encode_obj->s_outbuff 	 = buff_size;
+	p_ap_encode_obj->pos_outbuff = 0;
+	
+	/*
+	**	first copy the outstandind data in the overflow buff to the out buffer. 
+	*/
+	if (p_ap_encode_obj->s_overflow)
+	{
+		status = write_stream(p_ap_encode_obj,
+		                      (const char*)(p_ap_encode_obj->b_overflow),
+		                      p_ap_encode_obj->s_overflow);
+		if (status != noErr)
+			return status;
+				
+		p_ap_encode_obj->s_overflow = 0;
+	}
+
+	/*
+	** go the next processing stage based on the current state. 
+	*/
+	switch (p_ap_encode_obj->state)
+	{
+		case kInit:
+			/*
+			** We are in the  starting position, fill out the header.
+			*/
+			status = fill_apple_mime_header(p_ap_encode_obj); 
+			if (status != noErr)
+				break;					/* some error happens */
+				
+			p_ap_encode_obj->state = kDoingHeaderPortion;
+			status = ap_encode_header(p_ap_encode_obj, true); 
+										/* it is the first time to calling 		*/							
+			if (status == errDone)
+			{
+				p_ap_encode_obj->state = kDoneHeaderPortion;
+			}
+			else
+			{
+				break;					/* we need more work on header portion.	*/
+			}			
+				
+			/*
+			** we are done with the header, so let's go to the data port.
+			*/
+			p_ap_encode_obj->state = kDoingDataPortion;
+			status = ap_encode_data(p_ap_encode_obj, true);		 	
+										/* it is first time call do data portion */
+							
+			if (status == errDone)
+			{
+				p_ap_encode_obj->state  = kDoneDataPortion;
+				status = noErr;
+			}
+			break;
+
+		case kDoingHeaderPortion:
+		
+			status = ap_encode_header(p_ap_encode_obj, false); 			
+										/* continue with the header portion.	*/
+			if (status == errDone)
+			{
+				p_ap_encode_obj->state = kDoneHeaderPortion;
+			}
+			else
+			{
+				break;					/* we need more work on header portion.	*/				
+			}
+			
+			/*
+			** start the data portion.
+			*/
+			p_ap_encode_obj->state = kDoingDataPortion;
+			status = ap_encode_data(p_ap_encode_obj, true); 					
+										/* it is the first time calling 		*/
+			if (status == errDone)
+			{
+				p_ap_encode_obj->state  = kDoneDataPortion;
+				status = noErr;
+			}
+			break;
+
+		case kDoingDataPortion:
+		
+			status = ap_encode_data(p_ap_encode_obj, false); 				
+										/* it is not the first time				*/
+													
+			if (status == errDone)
+			{
+				p_ap_encode_obj->state = kDoneDataPortion;
+				status = noErr;
+			}
+			break;
+
+		case kDoneDataPortion:
+				status = errDone;		/* we are really done.					*/
+
+			break;
+	}
+	
+	*real_size = p_ap_encode_obj->pos_outbuff;
+	return status;
+}
+
+/*
+**	ap_encode_end
+**	-------------
+**
+**	clear the apple encoding.
+*/
+
+int ap_encode_end(
+	appledouble_encode_object *p_ap_encode_obj, 
+	bool is_aborting)
+{
+	/*
+	** clear up the apple doubler.
+	*/
+	if (p_ap_encode_obj == NULL)
+		return noErr;
+
+	if (p_ap_encode_obj->fileId)			/* close the file if it is open.	*/
+    ::FSCloseFork(p_ap_encode_obj->fileId);
+
+	PR_FREEIF(p_ap_encode_obj->boundary);		/* the boundary string.				*/
+	
+	return noErr;
+}
diff --git a/mailnews/compose/src/nsMsgAppleEncode.cpp b/mailnews/compose/src/nsMsgAppleEncode.cpp
new file mode 100644
index 0000000000..27e39a8cda
--- /dev/null
+++ b/mailnews/compose/src/nsMsgAppleEncode.cpp
@@ -0,0 +1,703 @@
+/* -*- 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/. */
+
+/*
+ *
+ *   apple_double_encode.c
+ *	 ---------------------
+ *
+ *    The routines doing the Apple Double Encoding.
+ *		
+ *			2aug95	mym	Created.
+ *		
+ */
+
+#include "nscore.h"
+#include "nsStringGlue.h"
+#include "nsMimeTypes.h"
+#include "prprf.h"
+#include "nsServiceManagerUtils.h"
+#include "nsMsgAppleDouble.h"
+#include "nsMsgAppleCodes.h"
+#include "nsILocalFileMac.h"
+
+/*
+**	Local Functions prototypes.
+*/
+static int output64chunk( appledouble_encode_object* p_ap_encode_obj, 
+				int c1, int c2, int c3, int pads);
+				
+static int to64(appledouble_encode_object* p_ap_encode_obj, 
+				char	*p, 
+				int 	in_size);
+ 
+static int finish64(appledouble_encode_object* p_ap_encode_obj);
+
+
+#define BUFF_LEFT(p)	((p)->s_outbuff - (p)->pos_outbuff)	
+
+/*
+**	write_stream.
+*/
+int write_stream(
+	appledouble_encode_object *p_ap_encode_obj,
+	const char *out_string,
+	int len)
+{	
+	if (p_ap_encode_obj->pos_outbuff + len < p_ap_encode_obj->s_outbuff)
+	{
+		memcpy(p_ap_encode_obj->outbuff + p_ap_encode_obj->pos_outbuff, 
+		       out_string, 
+		       len);
+		p_ap_encode_obj->pos_outbuff += len;
+		return noErr;
+	}
+	else
+	{
+		/*
+		**	If the buff doesn't have enough space, use the overflow buffer then.
+		*/
+		int s_len = p_ap_encode_obj->s_outbuff - p_ap_encode_obj->pos_outbuff;
+		
+		memcpy(p_ap_encode_obj->outbuff + p_ap_encode_obj->pos_outbuff, 
+		       out_string, 
+		       s_len);
+		memcpy(p_ap_encode_obj->b_overflow + p_ap_encode_obj->s_overflow,
+		       out_string + s_len,
+		       p_ap_encode_obj->s_overflow += (len - s_len));
+		p_ap_encode_obj->pos_outbuff += s_len;
+		return errEOB;
+	}
+}
+
+int fill_apple_mime_header(
+	appledouble_encode_object *p_ap_encode_obj)
+{
+	int  status;
+	
+	char tmpstr[266];
+	
+#if 0	
+//	strcpy(tmpstr, "Content-Type: multipart/mixed; boundary=\"-\"\n\n---\n");
+//	status = write_stream(p_ap_encode_env, 
+//						tmpstr,
+//						strlen(tmpstr));
+//	if (status != noErr)
+//		return status;
+
+	PR_snprintf(tmpstr, sizeof(tmpstr),
+			"Content-Type: multipart/appledouble; boundary=\"=\"; name=\"");
+	status = write_stream(p_ap_encode_obj, (const char*)tmpstr, strlen(tmpstr));
+	if (status != noErr)
+		return status;
+		
+	status = write_stream(p_ap_encode_obj,
+						p_ap_encode_obj->fname,
+						strlen(p_ap_encode_obj->fname));
+	if (status != noErr)
+		return status;
+		
+	PR_snprintf(tmpstr, sizeof(tmpstr),
+			"\"\r\nContent-Disposition: inline; filename=\"%s\"\r\n\r\n\r\n--=\r\n",
+			p_ap_encode_obj->fname);
+#endif /* 0 */
+	PR_snprintf(tmpstr, sizeof(tmpstr), "--%s" CRLF, p_ap_encode_obj->boundary);
+	status = write_stream(p_ap_encode_obj, (const char*)tmpstr, strlen(tmpstr));
+	return status;
+} 
+
+int ap_encode_file_infor(
+	appledouble_encode_object *p_ap_encode_obj)
+{
+	ap_header	head;
+	ap_entry 	entries[NUM_ENTRIES];
+	ap_dates 	dates;
+	short 		i;
+	long 		comlen;
+	char 		comment[256];
+	int	 		status;
+    
+    nsCOMPtr <nsIFile> resFile;
+    NS_NewNativeLocalFile(nsDependentCString(p_ap_encode_obj->fname), true,
+                          getter_AddRefs(resFile));
+    if (!resFile)
+        return errFileOpen;
+
+    FSRef ref;
+    nsCOMPtr <nsILocalFileMac> macFile = do_QueryInterface(resFile);
+    if (NS_FAILED(macFile->GetFSRef(&ref)))
+        return errFileOpen;
+
+    FSCatalogInfo catalogInfo;
+    if (::FSGetCatalogInfo(&ref, kFSCatInfoFinderInfo, &catalogInfo, nullptr, nullptr, nullptr) != noErr)
+	{
+		return errFileOpen;
+	}
+
+	/* get a file comment, if possible */
+#if 1
+    // Carbon doesn't support GetWDInfo(). (Bug 555684)
+
+    // not sure why working directories are needed here...
+    comlen = 0;
+#else
+	long 		procID;
+	procID = 0;
+	GetWDInfo(p_ap_encode_obj->vRefNum, &fpb->ioVRefNum, &fpb->ioDirID, &procID);
+	IOParam 	vinfo;
+	memset((void *) &vinfo, '\0', sizeof (vinfo));
+	GetVolParmsInfoBuffer vp;
+	vinfo.ioCompletion  = nil;
+	vinfo.ioVRefNum 	= fpb->ioVRefNum;
+	vinfo.ioBuffer 		= (Ptr) &vp;
+	vinfo.ioReqCount 	= sizeof (vp);
+	comlen = 0;
+	if (PBHGetVolParmsSync((HParmBlkPtr) &vinfo) == noErr &&
+		((vp.vMAttrib >> bHasDesktopMgr) & 1)) 
+	{
+		DTPBRec 	dtp;
+		memset((void *) &dtp, '\0', sizeof (dtp));
+		dtp.ioVRefNum = fpb->ioVRefNum;
+		if (PBDTGetPath(&dtp) == noErr) 
+		{
+			dtp.ioCompletion = nil;
+			dtp.ioDTBuffer = (Ptr) comment;
+			dtp.ioNamePtr  = fpb->ioNamePtr;
+			dtp.ioDirID    = fpb->ioFlParID;
+			if (PBDTGetCommentSync(&dtp) == noErr) 
+				comlen = dtp.ioDTActCount;
+		}
+	}
+#endif /* ! 1 */
+	
+	/* write header */
+//	head.magic = dfork ? APPLESINGLE_MAGIC : APPLEDOUBLE_MAGIC;
+	head.magic   = APPLEDOUBLE_MAGIC;		/* always do apple double */
+	head.version = VERSION;
+	memset(head.fill, '\0', sizeof (head.fill));
+	head.entries = NUM_ENTRIES - 1;
+	status = to64(p_ap_encode_obj,
+					(char *) &head,
+					sizeof (head));				
+	if (status != noErr)
+		return status;
+
+	/* write entry descriptors */
+    nsAutoCString leafname;
+    macFile->GetNativeLeafName(leafname);
+	entries[0].offset = sizeof (head) + sizeof (ap_entry) * head.entries;
+	entries[0].id 	= ENT_NAME;
+    entries[0].length = leafname.Length();
+	entries[1].id 	= ENT_FINFO;
+	entries[1].length = sizeof (FInfo) + sizeof (FXInfo);
+	entries[2].id 	= ENT_DATES;
+	entries[2].length = sizeof (ap_dates);
+	entries[3].id 	= ENT_COMMENT;
+	entries[3].length = comlen;
+	entries[4].id 	= ENT_RFORK;
+    entries[4].length = catalogInfo.rsrcLogicalSize;
+	entries[5].id 	= ENT_DFORK;
+    entries[5].length = catalogInfo.dataLogicalSize;
+
+	/* correct the link in the entries. */
+	for (i = 1; i < NUM_ENTRIES; ++i) 
+	{
+		entries[i].offset = entries[i-1].offset + entries[i-1].length;
+	}
+	status = to64(p_ap_encode_obj,
+					(char *) entries,
+					sizeof (ap_entry) * head.entries); 
+	if (status != noErr)
+		return status;
+
+	/* write name */
+	status = to64(p_ap_encode_obj,
+					(char *) leafname.get(),
+					leafname.Length()); 
+	if (status != noErr)
+		return status;
+	
+	/* write finder info */
+	status = to64(p_ap_encode_obj,
+					(char *) &catalogInfo.finderInfo,
+					sizeof (FInfo));
+	if (status != noErr)
+		return status;
+					  
+	status = to64(p_ap_encode_obj,
+					(char *) &catalogInfo.extFinderInfo,
+					sizeof (FXInfo));
+	if (status != noErr)
+		return status;
+
+	/* write dates */
+    dates.create = catalogInfo.createDate.lowSeconds + CONVERT_TIME;
+    dates.modify = catalogInfo.contentModDate.lowSeconds + CONVERT_TIME;
+    dates.backup = catalogInfo.backupDate.lowSeconds + CONVERT_TIME;
+    dates.access = catalogInfo.accessDate.lowSeconds + CONVERT_TIME;
+	status = to64(p_ap_encode_obj,
+					(char *) &dates,
+					sizeof (ap_dates)); 
+	if (status != noErr)
+		return status;
+	
+	/* write comment */
+	if (comlen)
+	{
+		status = to64(p_ap_encode_obj,
+					comment,
+					comlen * sizeof(char));
+	}
+	/*
+	**	Get some help information on deciding the file type.
+	*/
+    if (((FileInfo*)(&catalogInfo.finderInfo))->fileType == 'TEXT' ||
+        ((FileInfo*)(&catalogInfo.finderInfo))->fileType == 'text')
+	{
+		p_ap_encode_obj->text_file_type = true;
+	}
+	
+	return status;	
+}
+/*
+**	ap_encode_header
+**
+**		encode the file header and the resource fork.
+**
+*/
+int ap_encode_header(
+	appledouble_encode_object* p_ap_encode_obj, 
+	bool    firstime)
+{
+	char   	rd_buff[256];
+    FSIORefNum fileId;
+	OSErr	retval = noErr;
+	int    	status;
+    ByteCount inCount;
+	
+	if (firstime)
+	{
+    PL_strcpy(rd_buff, 
+			"Content-Type: application/applefile\r\nContent-Transfer-Encoding: base64\r\n\r\n");
+		status = write_stream(p_ap_encode_obj, (const char*)rd_buff, strlen(rd_buff));
+		if (status != noErr)
+			return status;
+			
+		status = ap_encode_file_infor(p_ap_encode_obj); 
+		if (status != noErr)
+			return status;
+		
+		/*
+		** preparing to encode the resource fork.
+		*/
+        nsCOMPtr <nsIFile> myFile;
+        NS_NewNativeLocalFile(nsDependentCString(p_ap_encode_obj->fname), true, getter_AddRefs(myFile));
+        if (!myFile)
+            return errFileOpen;
+
+        FSRef ref;
+        nsCOMPtr <nsILocalFileMac> macFile = do_QueryInterface(myFile);
+        if (NS_FAILED(macFile->GetFSRef(&ref)))
+            return errFileOpen;
+
+        HFSUniStr255 forkName;
+        ::FSGetResourceForkName(&forkName);
+        retval = ::FSOpenFork(&ref, forkName.length, forkName.unicode, fsRdPerm, &p_ap_encode_obj->fileId);
+        if (retval != noErr)
+            return retval;
+	}
+
+	fileId = p_ap_encode_obj->fileId;
+	while (retval == noErr)
+	{
+		if (BUFF_LEFT(p_ap_encode_obj) < 400)
+			break;
+			
+        inCount = 0;
+        retval = ::FSReadFork(fileId, fsAtMark, 0, 256, rd_buff, &inCount);
+		if (inCount)
+		{
+			status = to64(p_ap_encode_obj,
+							rd_buff,
+							inCount);
+			if (status != noErr)
+				return status;
+		}
+	}
+	
+	if (retval == eofErr)
+	{
+        ::FSCloseFork(fileId);
+        p_ap_encode_obj->fileId = 0;
+
+		status = finish64(p_ap_encode_obj);
+		if (status != noErr)
+			return status;
+		
+		/*
+		** write out the boundary 
+		*/
+		PR_snprintf(rd_buff, sizeof(rd_buff),
+						CRLF "--%s" CRLF, 
+						p_ap_encode_obj->boundary);
+					
+		status = write_stream(p_ap_encode_obj, (const char*)rd_buff, strlen(rd_buff));
+		if (status == noErr)
+			status = errDone;
+	}
+	return status;
+}
+
+#if 0
+// This is unused for now and Clang complains about that is it is ifdefed out
+static void replace(char *p, int len, char frm, char to)
+{
+	for (; len > 0; len--, p++)
+		if (*p == frm)	*p = to;
+}
+#endif
+
+/* Description of the various file formats and their magic numbers 		*/
+struct magic
+{
+    const char *name;			/* Name of the file format */
+    const char *num;			/* The magic number */
+    int        len;			/* Length (0 means strlen(magicnum)) */
+};
+
+/* The magic numbers of the file formats we know about */
+static struct magic magic[] =
+{
+    { "image/gif", 	"GIF", 			  0 },
+    { "image/jpeg", "\377\330\377",   0 },
+    { "video/mpeg", "\0\0\001\263",	  4 },
+    { "application/postscript", "%!", 0 },
+};
+static int num_magic = MOZ_ARRAY_LENGTH(magic);
+
+static const char *text_type    = TEXT_PLAIN;					/* the text file type. */
+static const char *default_type = APPLICATION_OCTET_STREAM;
+
+
+/*
+ * Determins the format of the file "inputf".  The name
+ * of the file format (or NULL on error) is returned.
+ */
+static const char *magic_look(char *inbuff, int numread)
+{
+    int i, j;
+
+	for (i=0; i<num_magic; i++) 
+	{
+	   	if (magic[i].len == 0) 
+	   		magic[i].len = strlen(magic[i].num);
+	}
+
+    for (i=0; i<num_magic; i++) 
+    {
+		if (numread >= magic[i].len) 
+		{
+	    	for (j=0; j<magic[i].len; j++) 
+	    	{
+				if (inbuff[j] != magic[i].num[j]) break;
+	    	}
+	    	
+	    	if (j == magic[i].len) 
+	    		return magic[i].name;
+		}
+    }
+
+    return default_type;
+}
+/*
+**	ap_encode_data
+**
+**	---------------
+**
+**		encode on the data fork.
+**
+*/
+int ap_encode_data(
+	appledouble_encode_object* p_ap_encode_obj, 
+	bool firstime)
+{
+	char   		rd_buff[256];
+    FSIORefNum fileId;
+	OSErr		retval = noErr;
+    ByteCount in_count;
+	int			status;
+	
+	if (firstime)
+	{	
+		const char* magic_type;
+			
+		/*
+		** preparing to encode the data fork.
+		*/
+        nsCOMPtr <nsIFile> resFile;
+        NS_NewNativeLocalFile(nsDependentCString(p_ap_encode_obj->fname), true,
+                              getter_AddRefs(resFile));
+        if (!resFile)
+            return errFileOpen;
+
+        FSRef ref;
+        nsCOMPtr <nsILocalFileMac> macFile = do_QueryInterface(resFile);
+        if (NS_FAILED(macFile->GetFSRef(&ref)))
+            return errFileOpen;
+
+        HFSUniStr255 forkName;
+        ::FSGetDataForkName(&forkName);
+        retval = ::FSOpenFork(&ref, forkName.length, forkName.unicode, fsRdPerm, &fileId);
+        if (retval != noErr)
+            return retval;
+
+		p_ap_encode_obj->fileId = fileId;
+			
+		
+		if (!p_ap_encode_obj->text_file_type)
+		{	
+      /*
+      **	do a smart check for the file type.
+      */
+      in_count = 0;
+      retval = ::FSReadFork(fileId, fsFromStart, 0, 256, rd_buff, &in_count);
+      magic_type = magic_look(rd_buff, in_count);
+      
+      /* don't forget to rewind the index to start point. */ 
+      ::FSSetForkPosition(fileId, fsFromStart, 0);
+      /* and reset retVal just in case... */
+      if (retval == eofErr)
+        retval = noErr;
+		}
+		else
+		{
+			magic_type = text_type;		/* we already know it is a text type.	*/
+		}
+
+		/*
+		**	the data portion header information.
+		*/
+        nsAutoCString leafName;
+        resFile->GetNativeLeafName(leafName);
+		PR_snprintf(rd_buff, sizeof(rd_buff),
+			"Content-Type: %s; name=\"%s\"" CRLF "Content-Transfer-Encoding: base64" CRLF "Content-Disposition: inline; filename=\"%s\"" CRLF CRLF,
+			magic_type,
+			leafName.get(),
+			leafName.get());
+			
+		status = write_stream(p_ap_encode_obj, (const char*)rd_buff, strlen(rd_buff));
+		if (status != noErr)
+			return status;
+	}
+	
+	while (retval == noErr)
+	{
+		if (BUFF_LEFT(p_ap_encode_obj) < 400)
+			break;
+			
+        in_count = 0;
+        retval = ::FSReadFork(p_ap_encode_obj->fileId, fsAtMark, 0, 256, rd_buff, &in_count);
+		if (in_count)
+		{
+#if 0
+/*			replace(rd_buff, in_count, '\r', '\n');	 						*/
+#endif
+/* ** may be need to do character set conversion here for localization.	**  */		
+			status = to64(p_ap_encode_obj,
+						rd_buff,
+						in_count);
+			if (status != noErr)
+				return status;
+		}
+	}
+	
+	if (retval == eofErr)
+	{
+        ::FSCloseFork(p_ap_encode_obj->fileId);
+        p_ap_encode_obj->fileId = 0;
+
+		status = finish64(p_ap_encode_obj);
+		if (status != noErr)
+			return status;
+		
+		/* write out the boundary 	*/
+		
+		PR_snprintf(rd_buff, sizeof(rd_buff),
+						CRLF "--%s--" CRLF CRLF, 
+						p_ap_encode_obj->boundary);
+	
+		status = write_stream(p_ap_encode_obj, (const char*)rd_buff, strlen(rd_buff));
+	
+		if (status == noErr)				
+			status = errDone;
+	}
+	return status;
+}
+
+static char basis_64[] =
+   "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+/* 
+**	convert the stream in the inbuff to 64 format and put it in the out buff.
+**  To make the life easier, the caller will responcable of the cheking of the outbuff's bundary.
+*/
+static int 
+to64(appledouble_encode_object* p_ap_encode_obj, 
+	char	*p, 
+	int 	in_size) 
+{
+	int 	status;
+    int c1, c2, c3, ct;
+    unsigned char *inbuff = (unsigned char*)p;
+    
+	ct = p_ap_encode_obj->ct;			/* the char count left last time. */
+	
+	/*
+	**	 resume the left state of the last conversion.
+	*/
+	switch (p_ap_encode_obj->state64)
+	{
+		case 0:
+			p_ap_encode_obj->c1 = c1 = *inbuff ++;
+			if (--in_size <= 0)
+			{
+				p_ap_encode_obj->state64 = 1;
+				return noErr;
+			}
+			p_ap_encode_obj->c2 = c2 = *inbuff ++;
+			if (--in_size <= 0)
+			{
+				p_ap_encode_obj->state64 = 2;
+				return noErr;
+			}
+			c3 = *inbuff ++;		--in_size;
+			break;
+		case 1:
+			c1 = p_ap_encode_obj->c1;
+			p_ap_encode_obj->c2 = c2 = *inbuff ++;
+			if (--in_size <= 0)
+			{
+				p_ap_encode_obj->state64 = 2;
+				return noErr;
+			}
+			c3 = *inbuff ++;		--in_size;
+			break;
+		case 2:
+			c1 = p_ap_encode_obj->c1;
+			c2 = p_ap_encode_obj->c2;
+			c3 = *inbuff ++;		--in_size;
+			break;
+	}
+	
+    while (in_size >= 0) 
+    {
+    	status = output64chunk(p_ap_encode_obj, 
+    							c1, 
+    							c2, 
+    							c3, 
+    							0);
+    	if (status != noErr)
+    		return status;
+    		
+    	ct += 4;
+        if (ct > 71) 
+        { 
+        	status = write_stream(p_ap_encode_obj, 
+        						CRLF, 
+        						2);
+        	if (status != noErr)
+        		return status;
+        		
+            ct = 0;
+        }
+
+		if (in_size <= 0)
+		{
+			p_ap_encode_obj->state64 = 0;
+			break;
+		}
+		
+		c1 = (int)*inbuff++;
+		if (--in_size <= 0)
+		{
+			p_ap_encode_obj->c1 = c1;
+			p_ap_encode_obj->state64 = 1;
+			break;
+		}
+		c2 = *inbuff++;
+		if (--in_size <= 0)
+		{
+			p_ap_encode_obj->c1 	 = c1;
+			p_ap_encode_obj->c2 	 = c2;
+			p_ap_encode_obj->state64 = 2;
+			break;
+		}
+		c3 = *inbuff++;
+		in_size--;
+    }
+    p_ap_encode_obj->ct = ct;
+    return status;
+}
+
+/*
+** clear the left base64 encodes.
+*/
+static int 
+finish64(appledouble_encode_object* p_ap_encode_obj)
+{
+	int status;
+	
+	switch (p_ap_encode_obj->state64)
+	{
+		case 0:
+			break;
+		case 1:
+			status = output64chunk(p_ap_encode_obj, 
+									p_ap_encode_obj->c1, 
+									0, 
+									0, 
+									2);
+			break;
+		case 2:
+			status = output64chunk(p_ap_encode_obj, 
+									p_ap_encode_obj->c1, 
+									p_ap_encode_obj->c2, 
+									0, 
+									1);
+			break;
+	}
+	status = write_stream(p_ap_encode_obj, CRLF, 2);
+	p_ap_encode_obj->state64 = 0;
+	p_ap_encode_obj->ct	  	 = 0;
+	return status;
+}
+
+static int output64chunk(
+	appledouble_encode_object* p_ap_encode_obj, 
+	int c1, int c2, int c3, int pads)
+{
+	char tmpstr[32];
+	char *p = tmpstr;
+	
+    *p++ = basis_64[c1>>2];
+    *p++ = basis_64[((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)];
+    if (pads == 2) 
+    {
+        *p++ = '=';
+        *p++ = '=';
+    } 
+    else if (pads) 
+    {
+        *p++ = basis_64[((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)];
+        *p++ = '=';
+    } 
+    else 
+    {
+        *p++ = basis_64[((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)];
+        *p++ = basis_64[c3 & 0x3F];
+    }
+    return write_stream(p_ap_encode_obj, (const char*) tmpstr, p-tmpstr);
+}