netsurf/amiga/filetype.c

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/*
* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "content/fetch.h"
#include "utils/log.h"
#include "utils/utils.h"
#include <proto/icon.h>
#include <proto/dos.h>
#include <proto/datatypes.h>
#include <workbench/icon.h>
/**
* filetype -- determine the MIME type of a local file
*/
const char *fetch_filetype(const char *unix_path)
{
static char mimetype[50];
STRPTR ttype = NULL;
struct DiskObject *dobj = NULL;
BPTR lock = 0;
struct DataTypeHeader *dth = NULL;
struct DataType *dtn;
BOOL found = FALSE;
/* First try getting a tooltype "MIMETYPE" and use that as the MIME type. Will fail over
to default icons if the file doesn't have a real icon. */
if(dobj = GetIconTags(unix_path,ICONGETA_FailIfUnavailable,FALSE,
TAG_DONE))
{
ttype = FindToolType(dobj->do_ToolTypes, "MIMETYPE");
if(ttype)
{
strcpy(mimetype,ttype);
found = TRUE;
}
FreeDiskObject(dobj);
}
/* If that didn't work, have a go at guessing it using datatypes.library. This isn't
accurate - the base names differ from those used by MIME and it relies on the
user having a datatype installed which can handle the file. */
if(!found)
{
if (lock = Lock (unix_path, ACCESS_READ))
{
if (dtn = ObtainDataTypeA (DTST_FILE, (APTR)lock, NULL))
{
dth = dtn->dtn_Header;
switch(dth->dth_GroupID)
{
case GID_SYSTEM:
sprintf(mimetype,"application/%s",dth->dth_BaseName);
break;
case GID_TEXT:
case GID_DOCUMENT:
if(strcmp("ascii",dth->dth_BaseName)==0)
{
sprintf(mimetype,"text/plain",dth->dth_BaseName);
}
else if(strcmp("simplehtml",dth->dth_BaseName)==0)
{
sprintf(mimetype,"text/html",dth->dth_BaseName);
}
else
{
sprintf(mimetype,"text/%s",dth->dth_BaseName);
}
break;
case GID_SOUND:
case GID_INSTRUMENT:
case GID_MUSIC:
sprintf(mimetype,"audio/%s",dth->dth_BaseName);
break;
case GID_PICTURE:
sprintf(mimetype,"image/%s",dth->dth_BaseName);
break;
case GID_ANIMATION:
case GID_MOVIE:
sprintf(mimetype,"video/%s",dth->dth_BaseName);
break;
}
found = TRUE;
ReleaseDataType(dtn);
}
UnLock(lock);
}
}
if(!found) strcpy(mimetype,"text/html"); /* If all else fails */
//printf("%s: %s\n",unix_path,mimetype);
return mimetype;
}
char *fetch_mimetype(const char *ro_path)
{
return strdup(fetch_filetype(ro_path));
}