mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 23:39:51 +03:00
110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "content/fetch.h"
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#include "utils/log.h"
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#include "utils/utils.h"
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#include <proto/icon.h>
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#include <proto/dos.h>
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#include <proto/datatypes.h>
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#include <workbench/icon.h>
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/**
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* filetype -- determine the MIME type of a local file
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*/
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const char *fetch_filetype(const char *unix_path)
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{
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static char mimetype[50];
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STRPTR ttype = NULL;
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struct DiskObject *dobj = NULL;
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BPTR lock = 0;
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struct DataTypeHeader *dth = NULL;
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struct DataType *dtn;
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BOOL found = FALSE;
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/* First try getting a tooltype "MIMETYPE" and use that as the MIME type. Will fail over
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to default icons if the file doesn't have a real icon. */
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if(dobj = GetIconTags(unix_path,ICONGETA_FailIfUnavailable,FALSE,
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TAG_DONE))
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{
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ttype = FindToolType(dobj->do_ToolTypes, "MIMETYPE");
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if(ttype)
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{
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strcpy(mimetype,ttype);
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found = TRUE;
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}
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FreeDiskObject(dobj);
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}
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/* If that didn't work, have a go at guessing it using datatypes.library. This isn't
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accurate - the base names differ from those used by MIME and it relies on the
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user having a datatype installed which can handle the file. */
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if(!found)
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{
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if (lock = Lock (unix_path, ACCESS_READ))
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{
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if (dtn = ObtainDataTypeA (DTST_FILE, (APTR)lock, NULL))
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{
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dth = dtn->dtn_Header;
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switch(dth->dth_GroupID)
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{
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case GID_SYSTEM:
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sprintf(mimetype,"application/%s",dth->dth_BaseName);
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break;
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case GID_TEXT:
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case GID_DOCUMENT:
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sprintf(mimetype,"text/%s",dth->dth_BaseName);
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break;
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case GID_SOUND:
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case GID_INSTRUMENT:
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case GID_MUSIC:
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sprintf(mimetype,"audio/%s",dth->dth_BaseName);
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break;
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case GID_PICTURE:
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sprintf(mimetype,"image/%s",dth->dth_BaseName);
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break;
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case GID_ANIMATION:
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case GID_MOVIE:
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sprintf(mimetype,"video/%s",dth->dth_BaseName);
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break;
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}
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found = TRUE;
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ReleaseDataType(dtn);
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}
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UnLock(lock);
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}
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}
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if(!found) strcpy(mimetype,"text/html"); /* If all else fails */
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return mimetype;
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}
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char *fetch_mimetype(const char *ro_path)
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{
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return strdup(fetch_filetype(ro_path));
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}
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