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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/. */
+
+/*
+* 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