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724 lines
17 KiB
C
724 lines
17 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/**
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* Apple Double encode/decode stream
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* ----------------------------------
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*
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* 11sep95 mym created.
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*/
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#include "msg.h"
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#include "appledbl.h"
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#include "m_binhex.h"
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#include "m_cvstrm.h"
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#include "ad_codes.h"
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/* for XP_GetString() */
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#include "xpgetstr.h"
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extern int MK_MSG_SAVE_ATTACH_AS;
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#ifdef XP_MAC
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#pragma warn_unusedarg off
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extern int MK_UNABLE_TO_OPEN_TMP_FILE;
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extern int MK_MIME_ERROR_WRITING_FILE;
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/* ---------------------------------------------------------------------------------
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**
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** The codes for Apple-double encoding stream. --- it's only useful on Mac OS
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**
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** ---------------------------------------------------------------------------------
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*/
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#define WORKING_BUFF_SIZE 8192
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typedef struct _AppledoubleEncodeObject
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{
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appledouble_encode_object ap_encode_obj;
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char* buff; /* the working buff. */
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int32 s_buff; /* the working buff size. */
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XP_File fp; /* file to hold the encoding */
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char *fname; /* and the file name. */
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} AppleDoubleEncodeObject;
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/*
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Let's go "l" characters forward of the encoding for this write.
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Note:
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"s" is just a dummy paramter.
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*/
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PRIVATE int
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net_AppleDouble_Encode_Write (
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void *stream, const char* s, int32 l)
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{
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int status = 0;
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AppleDoubleEncodeObject * obj = (AppleDoubleEncodeObject*)stream;
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int32 count, size;
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while (l > 0)
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{
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size = obj->s_buff * 11 / 16;
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size = MIN(l, size);
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status = ap_encode_next(&(obj->ap_encode_obj),
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obj->buff,
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size,
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&count);
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if (status == noErr || status == errDone)
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{
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/*
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* we get the encode data, so call the next stream to write it to the disk.
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*/
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if (XP_FileWrite(obj->buff, count, obj->fp) != count)
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return errFileWrite;
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}
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if (status != noErr ) /* abort when error / done? */
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break;
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l -= size;
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}
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return status;
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}
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/*
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** is the stream ready for writing?
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*/
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PRIVATE unsigned int net_AppleDouble_Encode_Ready (void *stream)
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{
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return(MAX_WRITE_READY); /* always ready for writing */
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}
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PRIVATE void net_AppleDouble_Encode_Complete (void *stream)
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{
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AppleDoubleEncodeObject * obj = (AppleDoubleEncodeObject*)stream;
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ap_encode_end(&(obj->ap_encode_obj), false); /* this is a normal ending */
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if (obj->fp)
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{
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XP_FileClose(obj->fp); /* done with the target file */
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FREEIF(obj->fname); /* and the file name too */
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}
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FREEIF(obj->buff); /* free the working buff. */
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XP_FREE(obj);
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}
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PRIVATE void net_AppleDouble_Encode_Abort (void *stream, int status)
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{
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AppleDoubleEncodeObject * obj = (AppleDoubleEncodeObject*)stream;
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ap_encode_end(&(obj->ap_encode_obj), true); /* it is an aborting exist... */
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if (obj->fp)
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{
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XP_FileClose(obj->fp);
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XP_FileRemove (obj->fname, xpURL); /* remove the partial file. */
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FREEIF(obj->fname);
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}
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FREEIF(obj->buff); /* free the working buff. */
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XP_FREE(obj);
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}
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/*
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** fe_MakeAppleDoubleEncodeStream
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** ------------------------------
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**
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** Will create a apple double encode stream:
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**
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** -> take the filename as the input source (it needs to be a mac file.)
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** -> take a file name for the temp file we are generating.
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*/
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PUBLIC NET_StreamClass *
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fe_MakeAppleDoubleEncodeStream (int format_out,
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void *data_obj,
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URL_Struct *URL_s,
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MWContext *window_id,
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char* src_filename,
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char* dst_filename,
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char* separator)
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{
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AppleDoubleEncodeObject* obj;
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NET_StreamClass* stream;
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char* working_buff = NULL;
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int bSize = WORKING_BUFF_SIZE;
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TRACEMSG(("Setting up apple encode stream. Have URL: %s\n", URL_s->address));
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stream = XP_NEW(NET_StreamClass);
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if(stream == NULL)
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return(NULL);
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obj = XP_NEW(AppleDoubleEncodeObject);
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if (obj == NULL)
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{
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XP_FREE (stream);
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return(NULL);
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}
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while (!working_buff && (bSize >= 512))
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{
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working_buff = (char *)XP_ALLOC(bSize);
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if (!working_buff)
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bSize /= 2;
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}
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if (working_buff == NULL)
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{
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XP_FREE (obj);
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XP_FREE (stream);
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return (NULL);
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}
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stream->name = "Apple Double Encode";
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stream->complete = (MKStreamCompleteFunc) net_AppleDouble_Encode_Complete;
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stream->abort = (MKStreamAbortFunc) net_AppleDouble_Encode_Abort;
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stream->put_block = (MKStreamWriteFunc) net_AppleDouble_Encode_Write;
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stream->is_write_ready = (MKStreamWriteReadyFunc) net_AppleDouble_Encode_Ready;
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stream->data_object = obj;
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stream->window_id = window_id;
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obj->fp = XP_FileOpen(dst_filename, xpFileToPost, XP_FILE_WRITE_BIN);
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if (obj->fp == NULL)
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{
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XP_FREE (working_buff);
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XP_FREE (obj);
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XP_FREE (stream);
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return (NULL);
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}
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obj->fname = XP_STRDUP(dst_filename);
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obj->buff = working_buff;
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obj->s_buff = bSize;
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/*
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** setup all the need information on the apple double encoder.
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*/
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ap_encode_init(&(obj->ap_encode_obj),
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src_filename, /* pass the file name of the source. */
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separator);
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TRACEMSG(("Returning stream from NET_AppleDoubleEncoder\n"));
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return stream;
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}
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#endif
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/*
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** ---------------------------------------------------------------------------------
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**
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** The codes for the Apple sigle/double decoding.
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**
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** ---------------------------------------------------------------------------------
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*/
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typedef struct AppleDoubleDecodeObject
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{
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appledouble_decode_object ap_decode_obj;
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char* in_buff; /* the temporary buff to accumulate */
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/* the input, make sure the call to */
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/* the dedcoder engine big enough buff */
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int32 bytes_in_buff; /* the count for the temporary buff. */
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NET_StreamClass* binhex_stream; /* a binhex encode stream to convert */
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/* the decoded mac file to binhex. */
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} AppleDoubleDecodeObject;
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PRIVATE int
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net_AppleDouble_Decode_Write (
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void *stream, const char* s, int32 l)
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{
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int status = NOERR;
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AppleDoubleDecodeObject * obj = (AppleDoubleDecodeObject*) stream;
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int32 size;
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/*
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** To force an effecient decoding, we should
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** make sure that the buff pass to the decode next is great than 1024 bytes.
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*/
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if (obj->bytes_in_buff + l > 1024)
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{
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size = 1024 - obj->bytes_in_buff;
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XP_MEMCPY(obj->in_buff+obj->bytes_in_buff,
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s,
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size);
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s += size;
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l -= size;
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status = ap_decode_next(&(obj->ap_decode_obj),
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obj->in_buff,
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1024);
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obj->bytes_in_buff = 0;
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}
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if (l > 1024)
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{
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/* we are sure that obj->bytes_in_buff == 0 at this point. */
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status = ap_decode_next(&(obj->ap_decode_obj),
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(char *)s,
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l);
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}
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else
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{
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/* and we are sure we will not get overflow with the buff. */
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XP_MEMCPY(obj->in_buff+obj->bytes_in_buff,
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s,
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l);
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obj->bytes_in_buff += l;
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}
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return status;
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}
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PRIVATE unsigned int
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net_AppleDouble_Decode_Ready (NET_StreamClass *stream)
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{
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return(MAX_WRITE_READY); /* always ready for writing */
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}
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PRIVATE void
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net_AppleDouble_Decode_Complete (void *stream)
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{
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AppleDoubleDecodeObject *obj = (AppleDoubleDecodeObject *)stream;
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if (obj->bytes_in_buff)
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{
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ap_decode_next(&(obj->ap_decode_obj), /* do the last calls. */
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(char *)obj->in_buff,
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obj->bytes_in_buff);
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obj->bytes_in_buff = 0;
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}
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ap_decode_end(&(obj->ap_decode_obj), FALSE); /* it is a normal clean up cases.*/
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if (obj->binhex_stream)
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XP_FREE(obj->binhex_stream);
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if (obj->in_buff)
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XP_FREE(obj->in_buff);
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XP_FREE(obj);
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}
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PRIVATE void
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net_AppleDouble_Decode_Abort (
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void *stream, int status)
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{
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AppleDoubleDecodeObject *obj = (AppleDoubleDecodeObject *)stream;
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ap_decode_end(&(obj->ap_decode_obj), TRUE); /* it is an abort. */
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if (obj->binhex_stream)
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XP_FREE(obj->binhex_stream);
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if (obj->in_buff)
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XP_FREE(obj->in_buff);
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XP_FREE(obj);
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}
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/*
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** fe_MakeAppleDoubleDecodeStream_1
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** ---------------------------------
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**
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** Create the apple double decode stream.
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**
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** In the Mac OS, it will create a stream to decode to an apple file;
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**
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** In other OS, the stream will decode apple double object,
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** then encode it in binhex format, and save to the file.
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*/
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#ifndef XP_MAC
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static void
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simple_copy(MWContext* context, char* saveName, void* closure)
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{
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/* just copy the filename to the closure, so the caller can get it. */
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XP_STRCPY(closure, saveName);
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}
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#endif
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PUBLIC NET_StreamClass *
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fe_MakeAppleDoubleDecodeStream_1 (int format_out,
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void *data_obj,
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URL_Struct *URL_s,
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MWContext *window_id)
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{
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#ifdef XP_MAC
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return fe_MakeAppleDoubleDecodeStream(format_out,
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data_obj,
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URL_s,
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window_id,
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false,
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NULL);
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#else
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#if 0 /* just a test in the mac OS */
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NET_StreamClass *p;
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char* url;
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StandardFileReply reply;
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StandardPutFile("\pSave binhex encoded file as:", "\pUntitled", &reply);
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if (!reply.sfGood)
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{
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return NULL;
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}
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url = my_PathnameFromFSSpec(&(reply.sfFile));
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p = fe_MakeAppleDoubleDecodeStream(format_out,
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data_obj,
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URL_s,
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window_id,
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true,
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url+7);
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XP_FREE(url);
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return (p);
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#else /* for the none mac-os to get a file name */
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NET_StreamClass *p;
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char* filename;
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filename = XP_ALLOC(1024);
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if (filename == NULL)
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return NULL;
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if (FE_PromptForFileName(window_id,
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XP_GetString(MK_MSG_SAVE_ATTACH_AS),
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0,
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FALSE,
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FALSE,
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simple_copy,
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filename) == -1)
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{
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return NULL;
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}
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p = fe_MakeAppleDoubleDecodeStream(format_out,
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data_obj,
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URL_s,
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window_id,
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TRUE,
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filename);
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XP_FREE(filename);
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return (p);
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#endif
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#endif
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}
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PUBLIC NET_StreamClass *
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fe_MakeAppleDoubleDecodeStream (int format_out,
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void *data_obj,
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URL_Struct *URL_s,
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MWContext *window_id,
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XP_Bool write_as_binhex,
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char *dst_filename)
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{
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AppleDoubleDecodeObject* obj;
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NET_StreamClass* stream;
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TRACEMSG(("Setting up apple double decode stream. Have URL: %s\n", URL_s->address));
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stream = XP_NEW(NET_StreamClass);
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if(stream == NULL)
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return(NULL);
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obj = XP_NEW(AppleDoubleDecodeObject);
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if (obj == NULL)
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{
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XP_FREE(stream);
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return(NULL);
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}
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stream->name = "AppleDouble Decode";
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stream->complete = (MKStreamCompleteFunc) net_AppleDouble_Decode_Complete;
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stream->abort = (MKStreamAbortFunc) net_AppleDouble_Decode_Abort;
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stream->put_block = (MKStreamWriteFunc) net_AppleDouble_Decode_Write;
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stream->is_write_ready = (MKStreamWriteReadyFunc) net_AppleDouble_Decode_Ready;
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stream->data_object = obj;
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stream->window_id = window_id;
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|
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/*
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** setup all the need information on the apple double encoder.
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*/
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obj->in_buff = (char *)XP_ALLOC(1024);
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if (obj->in_buff == NULL)
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{
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XP_FREE(obj);
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XP_FREE(stream);
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return (NULL);
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}
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|
|
obj->bytes_in_buff = 0;
|
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|
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if (write_as_binhex)
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{
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obj->binhex_stream =
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fe_MakeBinHexEncodeStream(format_out,
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data_obj,
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URL_s,
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window_id,
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dst_filename);
|
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if (obj->binhex_stream == NULL)
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{
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XP_FREE(obj);
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XP_FREE(stream);
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XP_FREE(obj->in_buff);
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return NULL;
|
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}
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|
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ap_decode_init(&(obj->ap_decode_obj),
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FALSE,
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TRUE,
|
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obj->binhex_stream);
|
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}
|
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else
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{
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obj->binhex_stream = NULL;
|
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ap_decode_init(&(obj->ap_decode_obj),
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FALSE,
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FALSE,
|
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window_id);
|
|
/*
|
|
* jt 8/8/97 -- I think this should be set to true. But'
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* let's not touch it for now.
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*
|
|
* obj->ap_decode_obj.is_binary = TRUE;
|
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*/
|
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}
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|
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if (dst_filename)
|
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{
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XP_STRNCPY_SAFE(obj->ap_decode_obj.fname, dst_filename,
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sizeof(obj->ap_decode_obj.fname));
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}
|
|
#ifdef XP_MAC
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obj->ap_decode_obj.mSpec = (FSSpec*)( URL_s->fe_data );
|
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#endif
|
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TRACEMSG(("Returning stream from NET_AppleDoubleDecode\n"));
|
|
|
|
return stream;
|
|
}
|
|
|
|
/*
|
|
** fe_MakeAppleSingleDecodeStream_1
|
|
** --------------------------------
|
|
**
|
|
** Create the apple single decode stream.
|
|
**
|
|
** In the Mac OS, it will create a stream to decode object to an apple file;
|
|
**
|
|
** In other OS, the stream will decode apple single object,
|
|
** then encode context in binhex format, and save to the file.
|
|
*/
|
|
|
|
PUBLIC NET_StreamClass *
|
|
fe_MakeAppleSingleDecodeStream_1 (int format_out,
|
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void *data_obj,
|
|
URL_Struct *URL_s,
|
|
MWContext *window_id)
|
|
{
|
|
#ifdef XP_MAC
|
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return fe_MakeAppleSingleDecodeStream(format_out,
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data_obj,
|
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URL_s,
|
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window_id,
|
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FALSE,
|
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NULL);
|
|
#else
|
|
|
|
#if 0 /* just a test in the mac OS */
|
|
NET_StreamClass *p;
|
|
char* url;
|
|
StandardFileReply reply;
|
|
|
|
StandardPutFile("\pSave binhex encoded file as:", "\pUntitled", &reply);
|
|
if (!reply.sfGood)
|
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{
|
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return NULL;
|
|
}
|
|
url = my_PathnameFromFSSpec(&(reply.sfFile));
|
|
|
|
p = fe_MakeAppleSingleDecodeStream(format_out,
|
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data_obj,
|
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URL_s,
|
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window_id,
|
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true,
|
|
url+7);
|
|
XP_FREE(url);
|
|
return (p);
|
|
|
|
#else /* for the none mac-os to get a file name */
|
|
|
|
NET_StreamClass *p;
|
|
char* filename;
|
|
char* defaultPath = 0;
|
|
|
|
defaultPath = URL_s->content_name;
|
|
|
|
#ifdef XP_WIN16
|
|
if (XP_FileNameContainsBadChars(defaultPath))
|
|
defaultPath = 0;
|
|
#endif
|
|
|
|
filename = XP_ALLOC(1024);
|
|
if (filename == NULL)
|
|
return NULL;
|
|
|
|
if (FE_PromptForFileName(window_id,
|
|
XP_GetString(MK_MSG_SAVE_ATTACH_AS),
|
|
defaultPath,
|
|
FALSE,
|
|
FALSE,
|
|
simple_copy,
|
|
filename) == -1)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
p = fe_MakeAppleSingleDecodeStream(format_out,
|
|
data_obj,
|
|
URL_s,
|
|
window_id,
|
|
FALSE,
|
|
filename);
|
|
XP_FREE(filename);
|
|
return (p);
|
|
|
|
#endif
|
|
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
** Create the Apple Doube Decode stream.
|
|
**
|
|
*/
|
|
PUBLIC NET_StreamClass *
|
|
fe_MakeAppleSingleDecodeStream (int format_out,
|
|
void *data_obj,
|
|
URL_Struct *URL_s,
|
|
MWContext *window_id,
|
|
XP_Bool write_as_binhex,
|
|
char *dst_filename)
|
|
{
|
|
AppleDoubleDecodeObject* obj;
|
|
NET_StreamClass* stream;
|
|
int encoding = kEncodeNone; /* default is that we don't know the encoding */
|
|
|
|
TRACEMSG(("Setting up apple single decode stream. Have URL: %s\n", URL_s->address));
|
|
|
|
stream = XP_NEW(NET_StreamClass);
|
|
if(stream == NULL)
|
|
return(NULL);
|
|
|
|
obj = XP_NEW(AppleDoubleDecodeObject);
|
|
if (obj == NULL)
|
|
{
|
|
XP_FREE(stream);
|
|
return(NULL);
|
|
}
|
|
|
|
stream->name = "AppleSingle Decode";
|
|
stream->complete = (MKStreamCompleteFunc) net_AppleDouble_Decode_Complete;
|
|
stream->abort = (MKStreamAbortFunc) net_AppleDouble_Decode_Abort;
|
|
stream->put_block = (MKStreamWriteFunc) net_AppleDouble_Decode_Write;
|
|
stream->is_write_ready = (MKStreamWriteReadyFunc) net_AppleDouble_Decode_Ready;
|
|
stream->data_object = obj;
|
|
stream->window_id = window_id;
|
|
|
|
/*
|
|
** setup all the need information on the apple double encoder.
|
|
*/
|
|
obj->in_buff = (char *)XP_ALLOC(1024);
|
|
if (obj->in_buff == NULL)
|
|
{
|
|
XP_FREE(obj);
|
|
XP_FREE(stream);
|
|
return (NULL);
|
|
}
|
|
|
|
obj->bytes_in_buff = 0;
|
|
|
|
if (write_as_binhex)
|
|
{
|
|
obj->binhex_stream =
|
|
fe_MakeBinHexEncodeStream(format_out,
|
|
data_obj,
|
|
URL_s,
|
|
window_id,
|
|
dst_filename);
|
|
if (obj->binhex_stream == NULL)
|
|
{
|
|
XP_FREE(obj);
|
|
XP_FREE(stream);
|
|
XP_FREE(obj->in_buff);
|
|
return NULL;
|
|
}
|
|
|
|
ap_decode_init(&(obj->ap_decode_obj),
|
|
TRUE,
|
|
TRUE,
|
|
obj->binhex_stream);
|
|
}
|
|
else
|
|
{
|
|
obj->binhex_stream = NULL;
|
|
ap_decode_init(&(obj->ap_decode_obj),
|
|
TRUE,
|
|
FALSE,
|
|
window_id);
|
|
#ifndef XP_MAC
|
|
obj->ap_decode_obj.is_binary = TRUE;
|
|
#endif
|
|
}
|
|
|
|
if (dst_filename)
|
|
{
|
|
XP_STRNCPY_SAFE(obj->ap_decode_obj.fname, dst_filename,
|
|
sizeof(obj->ap_decode_obj.fname));
|
|
}
|
|
/* If we are of a broken content-type, impose its encoding. */
|
|
if (URL_s->content_type
|
|
&& !XP_STRNCASECMP(URL_s->content_type, "x-uuencode-apple-single", 23))
|
|
obj->ap_decode_obj.encoding = kEncodeUU;
|
|
else
|
|
obj->ap_decode_obj.encoding = kEncodeNone;
|
|
|
|
TRACEMSG(("Returning stream from NET_AppleSingleDecode\n"));
|
|
|
|
return stream;
|
|
}
|