mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-14 02:31:59 +00:00
416 lines
10 KiB
C
416 lines
10 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
/*
|
|
**
|
|
** Binhex_stream.c
|
|
** ---------------
|
|
**
|
|
** The code for the binhex encode/decode stream.
|
|
**
|
|
** 20sep95 mym Created.
|
|
**
|
|
*/
|
|
|
|
#include "msg.h"
|
|
#include "appledbl.h"
|
|
#include "m_binhex.h"
|
|
#include "m_cvstrm.h"
|
|
#include "ad_codes.h"
|
|
|
|
#ifdef XP_MAC
|
|
#pragma warn_unusedarg off
|
|
#endif /* XP_MAC */
|
|
|
|
/*
|
|
** -----------------------------------------------------------
|
|
**
|
|
** The BinHex encode writer stream.
|
|
**
|
|
** -----------------------------------------------------------
|
|
*/
|
|
extern int MK_MIME_ERROR_WRITING_FILE;
|
|
|
|
#define WORKING_BUFF_SIZE 8192
|
|
|
|
typedef struct
|
|
{
|
|
binhex_encode_object bh_encode_obj;
|
|
|
|
char *buff; /* the working buff */
|
|
int32 s_buff; /* the size of workiong buff. */
|
|
|
|
XP_File fp;
|
|
char *fname; /* the filename for file holding the encoding */
|
|
|
|
} BinHexEncodeObject ;
|
|
|
|
|
|
/*
|
|
** Let's go "l" characters forward of the encoding for this write.
|
|
** Note:
|
|
** "s" is just a dummy paramter.
|
|
*/
|
|
PRIVATE int net_BinHex_Encode_Write (void *dataObject, const char* s, int32 l)
|
|
{
|
|
int status = 0;
|
|
BinHexEncodeObject * obj = (BinHexEncodeObject*)dataObject;
|
|
int32 count;
|
|
int32 size;
|
|
|
|
do
|
|
{
|
|
size = obj->s_buff * 11 / 16;
|
|
size = MIN(l, size);
|
|
status = binhex_encode_next(&(obj->bh_encode_obj),
|
|
(char*)s,
|
|
size,
|
|
obj->buff,
|
|
obj->s_buff,
|
|
&count);
|
|
if (status == NOERR || status == errDone)
|
|
{
|
|
/*
|
|
* we get the encode data, so call the next stream to write it to the disk.
|
|
*/
|
|
if ((int) XP_FileWrite(obj->buff, count, obj->fp) != count )
|
|
return errFileWrite;
|
|
}
|
|
|
|
if (status < 0) /* abort */
|
|
break;
|
|
|
|
l -= size;
|
|
s += size;
|
|
|
|
} while (l > 0);
|
|
|
|
return status;
|
|
}
|
|
|
|
PRIVATE unsigned int net_BinHex_Encode_Ready (NET_StreamClass *dataObject)
|
|
{
|
|
return(MAX_WRITE_READY); /* always ready for writing */
|
|
}
|
|
|
|
|
|
PRIVATE void net_BinHex_Encode_Complete (void *dataObject)
|
|
{
|
|
int32 count, len = 0;
|
|
BinHexEncodeObject *obj = (BinHexEncodeObject *)dataObject;
|
|
|
|
/*
|
|
** push the close part.
|
|
*/
|
|
len = binhex_encode_next(&(obj->bh_encode_obj),
|
|
NULL,
|
|
0,
|
|
obj->buff,
|
|
obj->s_buff,
|
|
&count); /* this help us generate the finishing */
|
|
|
|
len = XP_FileWrite(obj->buff, count, obj->fp);
|
|
|
|
/*
|
|
** time to do some dirty work -- fix the real file size.
|
|
** (since we can only know by now)
|
|
*/
|
|
|
|
binhex_reencode_head(&(obj->bh_encode_obj),
|
|
obj->buff,
|
|
obj->s_buff,
|
|
&count); /* get the head part encoded again */
|
|
|
|
XP_FileSeek(obj->fp, 0L, SEEK_SET); /* and override the previous dummy */
|
|
XP_FileWrite(obj->buff, count, obj->fp);
|
|
|
|
binhex_encode_end(&(obj->bh_encode_obj), FALSE); /* now we get a real ending */
|
|
|
|
if (obj->fp)
|
|
{
|
|
XP_FileClose(obj->fp); /* we are done with the target file */
|
|
FREEIF(obj->fname); /* free the space for the file name */
|
|
}
|
|
|
|
FREEIF(obj->buff); /* and free the working buff. */
|
|
XP_FREE(obj);
|
|
}
|
|
|
|
PRIVATE void net_BinHex_Encode_Abort (void *dataObject, int status)
|
|
{
|
|
BinHexEncodeObject * obj = (BinHexEncodeObject*)dataObject;
|
|
|
|
binhex_encode_end(&(obj->bh_encode_obj), TRUE); /* it is an aborting exist... */
|
|
|
|
if (obj->fp)
|
|
{
|
|
XP_FileClose(obj->fp); /* we are aboring with the decoding */
|
|
XP_FileRemove(obj->fname, xpURL);
|
|
/* remove the incomplete file. */
|
|
FREEIF (obj->fname); /* free the space for the file name */
|
|
}
|
|
|
|
FREEIF(obj->buff); /* free the working buff. */
|
|
XP_FREE(obj);
|
|
}
|
|
|
|
|
|
/*
|
|
** Will create a apple double encode stream:
|
|
**
|
|
** -> take the filename as the input source (it needs to be a mac file.)
|
|
** -> tkae a stream to take care of the writing to a temp file.
|
|
*/
|
|
PUBLIC NET_StreamClass *
|
|
fe_MakeBinHexEncodeStream (int format_out,
|
|
void *data_obj,
|
|
URL_Struct *URL_s,
|
|
MWContext *window_id,
|
|
char* dst_filename )
|
|
{
|
|
BinHexEncodeObject* obj;
|
|
NET_StreamClass* stream;
|
|
char* working_buff = NULL;
|
|
int bSize = WORKING_BUFF_SIZE;
|
|
|
|
TRACEMSG(("Setting up apple encode stream. Have URL: %s\n", URL_s->address));
|
|
|
|
stream = XP_NEW(NET_StreamClass);
|
|
if(stream == NULL)
|
|
return(NULL);
|
|
|
|
obj = XP_NEW(BinHexEncodeObject);
|
|
if (obj == NULL)
|
|
{
|
|
XP_FREE (stream);
|
|
return(NULL);
|
|
}
|
|
|
|
while (!working_buff && (bSize >= 512))
|
|
{
|
|
working_buff = (char *)XP_ALLOC(bSize);
|
|
if (!working_buff)
|
|
bSize /= 2;
|
|
}
|
|
if (working_buff == NULL)
|
|
{
|
|
XP_FREE (obj);
|
|
XP_FREE (stream);
|
|
return (NULL);
|
|
}
|
|
|
|
stream->name = "BinHex Encode";
|
|
stream->complete = (MKStreamCompleteFunc) net_BinHex_Encode_Complete;
|
|
stream->abort = (MKStreamAbortFunc) net_BinHex_Encode_Abort;
|
|
stream->put_block = (MKStreamWriteFunc) net_BinHex_Encode_Write;
|
|
stream->is_write_ready = (MKStreamWriteReadyFunc) net_BinHex_Encode_Ready;
|
|
stream->data_object = obj; /* document info object */
|
|
stream->window_id = window_id;
|
|
|
|
obj->fname = XP_STRDUP(dst_filename);
|
|
obj->fp = XP_FileOpen(obj->fname, xpURL, XP_FILE_TRUNCATE);
|
|
/* this file will hold all the encoded data */
|
|
if (obj->fp == NULL)
|
|
{
|
|
XP_FREE(working_buff); /* if we can't open the target file, roll back then */
|
|
if(obj->fname) XP_FREE(obj->fname);
|
|
XP_FREE (obj);
|
|
XP_FREE (stream);
|
|
return (NULL);
|
|
}
|
|
|
|
obj->buff = working_buff;
|
|
obj->s_buff = WORKING_BUFF_SIZE;
|
|
|
|
/*
|
|
** setup all the need information on the apple double encoder.
|
|
*/
|
|
binhex_encode_init(&(obj->bh_encode_obj)); /* pass the file name of the source.*/
|
|
|
|
TRACEMSG(("Returning stream from NET_BinHexEncoder\n"));
|
|
|
|
return stream;
|
|
}
|
|
|
|
/*
|
|
** -----------------------------------------------------------
|
|
**
|
|
** The BinHex decode writer stream.
|
|
**
|
|
** -----------------------------------------------------------
|
|
*/
|
|
|
|
typedef struct BinHexDecodeObject
|
|
{
|
|
binhex_decode_object bh_decode_obj;
|
|
|
|
char* in_buff;
|
|
int32 bytes_in_buff;
|
|
|
|
} BinHexDecodeObject;
|
|
|
|
|
|
PRIVATE int
|
|
net_BinHex_Decode_Write (
|
|
void *dataObject, const char* s, int32 l)
|
|
{
|
|
int status = NOERR;
|
|
BinHexDecodeObject * obj = (BinHexDecodeObject*)dataObject;
|
|
int32 size;
|
|
|
|
if (obj->bytes_in_buff + l > 1024)
|
|
{
|
|
size = 1024 - obj->bytes_in_buff;
|
|
XP_MEMCPY(obj->in_buff+obj->bytes_in_buff,
|
|
s,
|
|
size);
|
|
s += size;
|
|
l -= size;
|
|
|
|
status = binhex_decode_next(&(obj->bh_decode_obj),
|
|
obj->in_buff,
|
|
1024);
|
|
if (status != NOERR)
|
|
return status;
|
|
|
|
obj->bytes_in_buff = 0;
|
|
}
|
|
|
|
if (l > 1024)
|
|
{
|
|
/* we are sure that obj->bytes_in_buff == 0 at this point. */
|
|
status = binhex_decode_next(&(obj->bh_decode_obj),
|
|
s,
|
|
l);
|
|
}
|
|
else
|
|
{
|
|
XP_MEMCPY(obj->in_buff+obj->bytes_in_buff,
|
|
s,
|
|
l);
|
|
obj->bytes_in_buff += l;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* is the stream ready for writeing?
|
|
*/
|
|
PRIVATE unsigned int net_BinHex_Decode_Ready (void *stream)
|
|
{
|
|
return(MAX_WRITE_READY); /* always ready for writing */
|
|
}
|
|
|
|
|
|
PRIVATE void net_BinHex_Decode_Complete (void *dataObject)
|
|
{
|
|
BinHexDecodeObject *obj = (BinHexDecodeObject *) dataObject;
|
|
|
|
if (obj->bytes_in_buff)
|
|
{
|
|
/* do the last calls. */
|
|
binhex_decode_next(&(obj->bh_decode_obj),
|
|
(char *)obj->in_buff,
|
|
obj->bytes_in_buff);
|
|
obj->bytes_in_buff = 0;
|
|
}
|
|
|
|
binhex_decode_end(&(obj->bh_decode_obj), FALSE); /* it is a normal clean up classes. */
|
|
|
|
if (obj->in_buff)
|
|
XP_FREE(obj->in_buff);
|
|
|
|
XP_FREE(obj);
|
|
}
|
|
|
|
PRIVATE void net_BinHex_Decode_Abort (void *dataObject, int status)
|
|
{
|
|
BinHexDecodeObject *obj = (BinHexDecodeObject *)dataObject;
|
|
|
|
binhex_decode_end(&(obj->bh_decode_obj), TRUE); /* it is an abort. */
|
|
|
|
if (obj->in_buff)
|
|
XP_FREE(obj->in_buff);
|
|
|
|
XP_FREE(obj);
|
|
}
|
|
|
|
/*
|
|
** Create the bin hex decode stream.
|
|
**
|
|
*/
|
|
PUBLIC NET_StreamClass *
|
|
fe_MakeBinHexDecodeStream (int format_out,
|
|
void *data_obj,
|
|
URL_Struct *URL_s,
|
|
MWContext *window_id )
|
|
{
|
|
BinHexDecodeObject* obj;
|
|
NET_StreamClass* stream;
|
|
|
|
TRACEMSG(("Setting up bin hex decode stream. Have URL: %s\n", URL_s->address));
|
|
|
|
stream = XP_NEW(NET_StreamClass);
|
|
if(stream == NULL)
|
|
return(NULL);
|
|
|
|
obj = XP_NEW(BinHexDecodeObject);
|
|
if (obj == NULL)
|
|
{
|
|
XP_FREE(stream);
|
|
return(NULL);
|
|
}
|
|
|
|
if ((obj->in_buff = (char *)XP_ALLOC(1024)) == NULL)
|
|
{
|
|
XP_FREE(obj);
|
|
XP_FREE(stream);
|
|
return (NULL);
|
|
}
|
|
|
|
stream->name = "BinHex Decoder";
|
|
stream->complete = (MKStreamCompleteFunc) net_BinHex_Decode_Complete;
|
|
stream->abort = (MKStreamAbortFunc) net_BinHex_Decode_Abort;
|
|
stream->put_block = (MKStreamWriteFunc) net_BinHex_Decode_Write;
|
|
stream->is_write_ready = (MKStreamWriteReadyFunc) net_BinHex_Decode_Ready;
|
|
stream->data_object = obj;
|
|
stream->window_id = window_id;
|
|
|
|
/*
|
|
** Some initial to the object.
|
|
*/
|
|
obj->bytes_in_buff = 0;
|
|
|
|
/*
|
|
** setup all the need information on the apple double encoder.
|
|
*/
|
|
binhex_decode_init(&(obj->bh_decode_obj),window_id);
|
|
#ifdef XP_MAC
|
|
obj->bh_decode_obj.mSpec = (FSSpec*)( URL_s->fe_data );
|
|
#endif
|
|
TRACEMSG(("Returning stream from NET_BinHexDecode\n"));
|
|
|
|
return stream;
|
|
}
|
|
|
|
|