Hi,
gedit recently received a bug
(http://bugzilla.gnome.org/show_bug.cgi?id=355477) about multibyte
characters not being display properly.
I've been looking into the problem and I've encountered some things
about unescaping that I don't really understand. As I understand there
are functions to unescape uris and functions to format uris for display
that all do approximately the same, but differ in a way I don't fully
understand.
gnome_vfs_unescape_string
gnome_vfs_unescape_string_for_display
gnome_vfs_format_uri_for_display
What I'd like to know is what to use when, because they differ in
behavior (especially for non file:// schemes). Some examples (python)
with a file called フ.txt:
gnomevfs.unescape_string('file:///%E3%83%95.txt', '')
-> 'file:///%E3%83%95.txt'
gnomevfs.unescape_string('sftp:///%E3%83%95.txt', '')
-> 'sftp:///%E3%83%95.txt'
So, what does unescape_string actually do? I read that I shouldn't use
it on full uri's. Okay, so what should I use on full uri's? Over to the
display functions:
gnomevfs.unescape_string_for_display('file:///%E3%83%95.txt')
-> 'file:///\xe3\x83\x95.txt'
gnomevfs.unescape_string_for_display('sftp:///%E3%83%95.txt')
-> 'sftp:///\xe3\x83\x95.txt'
Okay, so this one actually does what's expected, but what are these
functions for in relation to format_uri_for_display:
gnomevfs.format_uri_for_display('file:///%E3%83%95.txt')
-> '/\xe3\x83\x95.txt'
gnomevfs.format_uri_for_display('sftp:///%E3%83%95.txt')
-> 'sftp:///%E3%83%95.txt'
In short, unescape_string_for_display seems to do about the same as
format_uri_for_display, but format_uri_for_display removes the file
scheme (which is what we are looking for in gedit). But, using
format_uri_for_display on remote file schemes does not properly unescape
the uri (which unescape_string_for_display does correctly). Is this a
bug? If not, what's the rationale for not unescaping remote uris in
format_uri_for_display. Should we use format_uri_for_display for local
files and unescape_string_for_display on remote files?
What I'd like to know is what the differences between the functions are
and when to use what.
With kind regards,
--
Jesse van den Kieboom
Visit: http://www.icecrew.nl
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