user.mime_type, user.charset

git-svn-id: https://profuse.googlecode.com/svn/trunk@40 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock 2009-05-02 23:42:18 +00:00
parent e73d7e82ff
commit 1768d932ee

View File

@ -18,6 +18,40 @@
using std::string;
static bool isTextFile(unsigned ftype, unsigned auxtype)
{
if (ftype == 0x04) return true; // ascii text
if (ftype == 0x80) return true; // source code.
if (ftype == 0x50 && auxtype == 0x5445) return true; // teach text
return false;
}
static const char *mimeType(unsigned ftype, unsigned auxtype)
{
switch(ftype)
{
case 0x04:
if (auxtype == 0) return "text/plain";
break;
case 0xb0:
return "text/plain";
case 0x50:
if (auxtype == 0x5445) return "text/plain";
break;
case 0xc0:
if (auxtype == 0x8006) return "image/gif";
break;
case 0xe0:
if (auxtype == 0x8000) return "application/x-BinaryII";
if (auxtype == 0x8002) return "application/x-Shrinkit";
break;
}
return NULL;
}
#pragma mark XAttribute Functions
@ -59,31 +93,42 @@ static void xattr_auxtype(FileEntry& e, fuse_req_t req, size_t size, off_t off)
fuse_reply_buf(req, (char *)&attr, attr_size);
}
// user.charset
static void xattr_charset(FileEntry& e, fuse_req_t req, size_t size, off_t off)
{
const char attr[] = "macintosh";
unsigned attr_size = sizeof(attr) - 1;
ERROR(!isTextFile(e.file_type, e.aux_type), ENOENT)
if (size == 0)
{
fuse_reply_xattr(req, attr_size);
return;
}
ERROR (size < attr_size, ERANGE)
fuse_reply_buf(req, (char *)&attr, attr_size);
}
//apple.TextEncoding
static void xattr_textencoding(FileEntry& e, fuse_req_t req, size_t size, off_t off)
{
// TODO -- ascii text encoding for ascii files?
const char attr[] = "MACINTOSH;0";
unsigned attr_size = sizeof(attr) - 1;
// currently only valid for Teach Files, "ASCII" Text
if (e.file_type == 0x04 || (e.file_type == 0x50 && e.aux_type == 0x5445))
/* do nothing */ ;
else
{
ERROR(true, ENOENT)
}
if (size == 0)
{
fuse_reply_xattr(req, attr_size);
return;
}
ERROR (size < attr_size, ERANGE)
// consider position here?
fuse_reply_buf(req, (char *)&attr, attr_size);
const char attr[] = "MACINTOSH";0;
unsigned attr_size = sizeof(attr) - 1;
ERROR(!isTextFile(e.file_type, e.aux_type), ENOENT)
if (size == 0)
{
fuse_reply_xattr(req, attr_size);
return;
}
ERROR (size < attr_size, ERANGE)
fuse_reply_buf(req, (char *)&attr, attr_size);
}
static void xattr_rfork(FileEntry& e, fuse_req_t req, size_t size, off_t off)
@ -185,7 +230,6 @@ static void set_creator(uint8_t *finfo, unsigned ftype, unsigned auxtype)
switch (ftype)
{
case 0x00:
if (auxtype == 0) memcpy(finfo, "BINA", 4);
break;
@ -193,6 +237,10 @@ static void set_creator(uint8_t *finfo, unsigned ftype, unsigned auxtype)
case 0x04:
if (auxtype == 0) memcpy(finfo, "TEXT", 4);
break;
case 0x50:
if (auxtype == 0x5445) memcpy(finfo, "TEXT", 4);
break;
case 0xb0:
memcpy(finfo, "TEXT", 4);
@ -219,9 +267,6 @@ static void set_creator(uint8_t *finfo, unsigned ftype, unsigned auxtype)
memcpy(finfo, "PSYS", 4);
break;
}
}
// Finder info.
@ -287,16 +332,27 @@ static void xattr_finfo(FileEntry& e, fuse_req_t req, size_t size, off_t off)
}
static bool isTextFile(unsigned ftype, unsigned auxtype)
static void xattr_mimetype(FileEntry& e, fuse_req_t req, size_t size, off_t off)
{
if (ftype == 0x04) return true; // ascii text
if (ftype == 0x80) return true; // source code.
if (ftype == 0x50 && auxtype == 0x5445) return true; // teach text
return false;
unsigned attr_size;
const char *mime = mimeType(e.file_type, e.aux_type);
ERROR(!mime, ENOENT);
attr_size = strlen(mime);
if (size == 0)
{
fuse_reply_xattr(req, attr_size);
return;
}
ERROR (size < attr_size, ERANGE)
fuse_reply_buf(req, mime, attr_size);
}
void prodos_listxattr(fuse_req_t req, fuse_ino_t ino, size_t size)
{
// list of supported attributes.
@ -374,6 +430,15 @@ return; \
{
attr += "com.apple.TextEncoding";
attr.append(1, 0);
attr += "user.charset";
attr.append(1, 0);
}
if (mimeType(e.file_type, e.aux_type))
{
attr += "user.mime_type";
attr.append(1, 0);
}
attr_size = attr.length();
@ -466,7 +531,18 @@ void prodos_getxattr(fuse_req_t req, fuse_ino_t ino, const char *name, size_t si
xattr_finfo(e, req, size, off);
return;
}
if (strcmp("user.mime_type", name) == 0)
{
xattr_mimetype(e, req, size, off);
return;
}
if (strcmp("user.charset", name) == 0)
{
xattr_charset(e, req, size, off);
return;
}
fuse_reply_err(req, NO_ATTRIBUTE);