nserror amiga_dt_picture_init(void)
{
char dt_mime[50];
struct DataType *dt, *prevdt = NULL;
lwc_string *type;
lwc_error lerror;
nserror error;
BPTR fh = 0;
struct Node *node = NULL;
while((dt = ObtainDataType(DTST_RAM, NULL,
DTA_DataType, prevdt,
DTA_GroupID, GID_PICTURE, // we only support images for now
TAG_DONE)) != NULL)
{
ReleaseDataType(prevdt);
prevdt = dt;
do {
node = ami_mime_from_datatype(dt, &type, node);
if(node)
{
error = content_factory_register_handler(
lwc_string_data(type),
&amiga_dt_picture_content_handler);
if (error != NSERROR_OK)
return error;
}
}while (node != NULL);
}
ReleaseDataType(prevdt);
return NSERROR_OK;
}
char *amiga_dt_picture_datatype(struct content *c)
{
const uint8 *data;
ULONG size;
struct DataType *dt;
char *filetype = NULL;
data = (uint8 *)content__get_source_data(c, &size);
if(dt = ObtainDataType(DTST_MEMORY, NULL,
DTA_SourceAddress, data,
DTA_SourceSize, size,
DTA_GroupID, GID_PICTURE,
TAG_DONE)) {
filetype = strdup(dt->dtn_Header->dth_Name);
ReleaseDataType(dt);
}
if(filetype == NULL) filetype = strdup("DataTypes");
return filetype;
}
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;
}