Make the timestamp format more descriptive what is actually printed. We
may need separate date or time in the future.
Signed-off-by: David Sterba <dsterba@suse.com>
The 'str' type was added in ecbb6a7fcd ("btrfs-progs: add json
formatter for escaped string") but not documented. It should be used
e.g. for paths or strings from unknown origin.
Signed-off-by: David Sterba <dsterba@suse.com>
For null or boolean values the "..." quoting must not be done, add
support for that. This is detected internally for each printed value.
Signed-off-by: David Sterba <dsterba@suse.com>
The tool IWYU (include what you use) suggests to remove and add some
includes. This is only partial to avoid accidental build breakage, the
includes are entangled and will have to be cleaned in the future again.
Signed-off-by: David Sterba <dsterba@suse.com>
Add structures and API for unified output definition and multiple
formatting backends. Currently there's plain text and json.
The format of each row is defined in struct rowspec, selected using a
key and formatted according to the type. There are extended types for
eg. UUID or pretty size, while direct printf format specifiers work too.
Due to different nature of the outputs, the context structure members
are not always used.
* text output mostly uses indentation and formats the name to a given
width
* json output tracks nesting depth and keeps stack of previous groups
(list or array) and how many member have been printed, as the
separators are allowed only between values and must not preced the
group closing bracket
the nesting depth is hardcoded to 16, counting the global group
The API provides functions to print simple values and some helpers to
format more complex structures.
Signed-off-by: David Sterba <dsterba@suse.com>
David Sterba
Christoph Heiss
Adam Borowski