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1a97e11ffd
The mailto library is the mail compose code ripped out of the old Messenger libmsg library, then cleaned up somewhat (it could still use more cleaning). This library should only be built ifdef MOZ_MAIL_COMPOSE.
412 lines
9.9 KiB
C
412 lines
9.9 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*
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**
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** Binhex_stream.c
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** ---------------
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**
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** The code for the binhex encode/decode stream.
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**
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** 20sep95 mym Created.
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**
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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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#ifdef XP_MAC
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#pragma warn_unusedarg off
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#endif /* XP_MAC */
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/*
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** -----------------------------------------------------------
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**
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** The BinHex encode writer stream.
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**
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** -----------------------------------------------------------
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*/
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extern int MK_MIME_ERROR_WRITING_FILE;
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#define WORKING_BUFF_SIZE 8192
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typedef struct
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{
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binhex_encode_object bh_encode_obj;
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char *buff; /* the working buff */
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int32 s_buff; /* the size of workiong buff. */
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XP_File fp;
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char *fname; /* the filename for file holding the encoding */
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} BinHexEncodeObject ;
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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 net_BinHex_Encode_Write (void *dataObject, const char* s, int32 l)
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{
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int status = 0;
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BinHexEncodeObject * obj = (BinHexEncodeObject*)dataObject;
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int32 count;
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int32 size;
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do
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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 = binhex_encode_next(&(obj->bh_encode_obj),
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(char*)s,
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size,
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obj->buff,
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obj->s_buff,
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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 ((int) XP_FileWrite(obj->buff, count, obj->fp) != count )
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return errFileWrite;
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}
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if (status < 0) /* abort */
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break;
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l -= size;
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s += size;
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} while (l > 0);
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return status;
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}
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PRIVATE unsigned int net_BinHex_Encode_Ready (NET_StreamClass *dataObject)
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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_BinHex_Encode_Complete (void *dataObject)
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{
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int32 count, len = 0;
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BinHexEncodeObject *obj = (BinHexEncodeObject *)dataObject;
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/*
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** push the close part.
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*/
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len = binhex_encode_next(&(obj->bh_encode_obj),
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NULL,
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0,
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obj->buff,
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obj->s_buff,
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&count); /* this help us generate the finishing */
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len = XP_FileWrite(obj->buff, count, obj->fp);
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/*
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** time to do some dirty work -- fix the real file size.
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** (since we can only know by now)
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*/
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binhex_reencode_head(&(obj->bh_encode_obj),
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obj->buff,
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obj->s_buff,
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&count); /* get the head part encoded again */
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XP_FileSeek(obj->fp, 0L, SEEK_SET); /* and override the previous dummy */
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XP_FileWrite(obj->buff, count, obj->fp);
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binhex_encode_end(&(obj->bh_encode_obj), FALSE); /* now we get a real ending */
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if (obj->fp)
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{
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XP_FileClose(obj->fp); /* we are done with the target file */
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FREEIF(obj->fname); /* free the space for the file name */
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}
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FREEIF(obj->buff); /* and free the working buff. */
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XP_FREE(obj);
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}
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PRIVATE void net_BinHex_Encode_Abort (void *dataObject, int status)
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{
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BinHexEncodeObject * obj = (BinHexEncodeObject*)dataObject;
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binhex_encode_end(&(obj->bh_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); /* we are aboring with the decoding */
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XP_FileRemove(obj->fname, xpURL);
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/* remove the incomplete file. */
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FREEIF (obj->fname); /* free the space for the file name */
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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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** 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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** -> tkae a stream to take care of the writing to a temp file.
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*/
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PUBLIC NET_StreamClass *
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fe_MakeBinHexEncodeStream (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* dst_filename )
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{
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BinHexEncodeObject* 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(BinHexEncodeObject);
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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 = "BinHex Encode";
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stream->complete = (MKStreamCompleteFunc) net_BinHex_Encode_Complete;
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stream->abort = (MKStreamAbortFunc) net_BinHex_Encode_Abort;
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stream->put_block = (MKStreamWriteFunc) net_BinHex_Encode_Write;
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stream->is_write_ready = (MKStreamWriteReadyFunc) net_BinHex_Encode_Ready;
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stream->data_object = obj; /* document info object */
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stream->window_id = window_id;
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obj->fname = XP_STRDUP(dst_filename);
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obj->fp = XP_FileOpen(obj->fname, xpURL, XP_FILE_TRUNCATE);
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/* this file will hold all the encoded data */
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if (obj->fp == NULL)
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{
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XP_FREE(working_buff); /* if we can't open the target file, roll back then */
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if(obj->fname) XP_FREE(obj->fname);
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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->buff = working_buff;
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obj->s_buff = WORKING_BUFF_SIZE;
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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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binhex_encode_init(&(obj->bh_encode_obj)); /* pass the file name of the source.*/
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TRACEMSG(("Returning stream from NET_BinHexEncoder\n"));
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return stream;
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}
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/*
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** -----------------------------------------------------------
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**
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** The BinHex decode writer stream.
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**
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** -----------------------------------------------------------
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*/
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typedef struct BinHexDecodeObject
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{
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binhex_decode_object bh_decode_obj;
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char* in_buff;
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int32 bytes_in_buff;
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} BinHexDecodeObject;
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PRIVATE int
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net_BinHex_Decode_Write (
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void *dataObject, const char* s, int32 l)
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{
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int status = NOERR;
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BinHexDecodeObject * obj = (BinHexDecodeObject*)dataObject;
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int32 size;
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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 = binhex_decode_next(&(obj->bh_decode_obj),
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obj->in_buff,
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1024);
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if (status != NOERR)
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return status;
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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 = binhex_decode_next(&(obj->bh_decode_obj),
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s,
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l);
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}
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else
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{
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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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/*
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* is the stream ready for writeing?
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*/
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PRIVATE unsigned int net_BinHex_Decode_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_BinHex_Decode_Complete (void *dataObject)
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{
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BinHexDecodeObject *obj = (BinHexDecodeObject *) dataObject;
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if (obj->bytes_in_buff)
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{
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/* do the last calls. */
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binhex_decode_next(&(obj->bh_decode_obj),
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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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binhex_decode_end(&(obj->bh_decode_obj), FALSE); /* it is a normal clean up classes. */
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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 net_BinHex_Decode_Abort (void *dataObject, int status)
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{
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BinHexDecodeObject *obj = (BinHexDecodeObject *)dataObject;
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binhex_decode_end(&(obj->bh_decode_obj), TRUE); /* it is an abort. */
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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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** Create the bin hex decode stream.
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**
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*/
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PUBLIC NET_StreamClass *
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fe_MakeBinHexDecodeStream (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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BinHexDecodeObject* obj;
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NET_StreamClass* stream;
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TRACEMSG(("Setting up bin hex 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(BinHexDecodeObject);
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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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if ((obj->in_buff = (char *)XP_ALLOC(1024)) == 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 = "BinHex Decoder";
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stream->complete = (MKStreamCompleteFunc) net_BinHex_Decode_Complete;
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stream->abort = (MKStreamAbortFunc) net_BinHex_Decode_Abort;
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stream->put_block = (MKStreamWriteFunc) net_BinHex_Decode_Write;
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stream->is_write_ready = (MKStreamWriteReadyFunc) net_BinHex_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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** Some initial to the object.
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*/
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obj->bytes_in_buff = 0;
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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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binhex_decode_init(&(obj->bh_decode_obj),window_id);
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#ifdef XP_MAC
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obj->bh_decode_obj.mSpec = (FSSpec*)( URL_s->fe_data );
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#endif
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TRACEMSG(("Returning stream from NET_BinHexDecode\n"));
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return stream;
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}
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