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/*
* Copyright 2008, 2011 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 "amiga/filetype.h"
#include "content/fetch.h"
#include "content/content.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 DataType *dtn;
BOOL found = FALSE;
/* First, check if we appear to have an icon.
We'll just do a filename check here for quickness, although the
first word ought to be checked against WB_DISKMAGIC really. */
if(strncmp(unix_path + strlen(unix_path) - 5, ".info", 5) == 0)
{
strcpy(mimetype,"image/x-amiga-icon");
found = TRUE;
}
/* Secondly 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(!found)
{
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))
{
ami_datatype_to_mimetype(dtn, &mimetype);
found = TRUE;
ReleaseDataType(dtn);
}
UnLock(lock);
}
}
/* Have a quick check for file extensions (inc RISC OS filetype).
* Makes detection a little more robust, and some of the redirects
* caused by links in the SVN tree prevent NetSurf from reading the
* MIME type from the icon (step two, above).
*/
if((!found) || (strcmp("text/plain", mimetype) == 0))
{
if((strncmp(unix_path + strlen(unix_path) - 4, ".css", 4) == 0) ||
(strncmp(unix_path + strlen(unix_path) - 4, ",f79", 4) == 0))
{
strcpy(mimetype,"text/css");
found = TRUE;
}
if((strncmp(unix_path + strlen(unix_path) - 4, ".htm", 4) == 0) ||
(strncmp(unix_path + strlen(unix_path) - 5, ".html", 5) == 0) ||
(strncmp(unix_path + strlen(unix_path) - 4, ",faf", 4) == 0))
{
strcpy(mimetype,"text/html");
found = TRUE;
}
}
if(!found) strcpy(mimetype,"text/plain"); /* If all else fails */
return mimetype;
}
char *fetch_mimetype(const char *ro_path)
{
return strdup(fetch_filetype(ro_path));
}
const char *ami_content_type_to_file_type(content_type type)
{
switch(type)
{
case CONTENT_HTML:
return "html";
break;
case CONTENT_TEXTPLAIN:
return "ascii";
break;
case CONTENT_CSS:
return "css";
break;
default:
return "project";
break;
}
}
void ami_datatype_to_mimetype(struct DataType *dtn, char *mimetype)
{
struct DataTypeHeader *dth = dtn->dtn_Header;
switch(dth->dth_GroupID)
{
case GID_TEXT:
case GID_DOCUMENT:
if(strcmp("ascii",dth->dth_BaseName)==0)
{
strcpy(mimetype,"text/plain");
}
else if(strcmp("simplehtml",dth->dth_BaseName)==0)
{
strcpy(mimetype,"text/html");
}
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);
if(strcmp("sprite",dth->dth_BaseName)==0)
{
strcpy(mimetype,"image/x-riscos-sprite");
}
break;
case GID_ANIMATION:
case GID_MOVIE:
sprintf(mimetype,"video/%s",dth->dth_BaseName);
break;
case GID_SYSTEM:
default:
if(strcmp("directory",dth->dth_BaseName)==0)
{
strcpy(mimetype,"application/x-netsurf-directory");
}
else if(strcmp("binary",dth->dth_BaseName)==0)
{
strcpy(mimetype,"application/octet-stream");
}
else sprintf(mimetype,"application/%s",dth->dth_BaseName);
break;
}
}
bool ami_mime_compare(struct hlcache_handle *c, const char *type)
{
lwc_string *mime = content_get_mime_type(c);
const char *mime_string = lwc_string_data(mime);
size_t mime_length = lwc_string_length(mime);
if(!strncmp("svg", type, 3))
{
if(!strncmp(mime_string, "image/svg", mime_length)) return true;
if(!strncmp(mime_string, "image/svg+xml", mime_length)) return true;
}
else return false;
}
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