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udev: cleanup hwdb parsing

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Group into similar props, we really only have value-based properties or
type-based properties. Compress those together so it's easier to understand.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-07-07 15:52:13 +10:00
parent 57a384dfcf
commit 064d74f574
1 changed files with 16 additions and 30 deletions
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46
udev/parse_hwdb.py
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@ -94,40 +94,26 @@ def property_grammar():
]
dimension = INTEGER('X') + Suppress('x') + INTEGER('Y')
sz_props = (
crange = INTEGER('X') + Suppress(':') + INTEGER('Y')
vprops = (
('LIBINPUT_ATTR_SIZE_HINT', Group(dimension('SETTINGS*'))),
('LIBINPUT_ATTR_RESOLUTION_HINT', Group(dimension('SETTINGS*'))),
)
('LIBINPUT_ATTR_PRESSURE_RANGE', Group(crange('SETTINGS*'))),
('LIBINPUT_ATTR_TPKBCOMBO_LAYOUT', Or(('below'))),
('LIBINPUT_ATTR_LID_SWITCH_RELIABILITY', Or(('reliable', 'write_open'))),
('LIBINPUT_ATTR_KEYBOARD_INTEGRATION', Or(('internal', 'external'))),
)
value_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE') for
name, val in vprops]
size_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
for name, val in sz_props]
tprops = (
('LIBINPUT_ATTR_PALM_PRESSURE_THRESHOLD', INTEGER('X')),
)
typed_props = [Literal(name)('NAME') - Suppress('=') - val
for name, val in tprops]
reliability_tags = Or(('reliable', 'write_open'))
reliability = [Literal('LIBINPUT_ATTR_LID_SWITCH_RELIABILITY')('NAME') -
Suppress('=') -
reliability_tags('VALUE')]
tpkbcombo_tags = Or(('below'))
tpkbcombo = [Literal('LIBINPUT_ATTR_TPKBCOMBO_LAYOUT')('NAME') -
Suppress('=') -
tpkbcombo_tags('VALUE')]
pressure_range = INTEGER('X') + Suppress(':') + INTEGER('Y')
pressure_prop = [ Literal('LIBINPUT_ATTR_PRESSURE_RANGE')('NAME') -
Suppress('=') -
Group(pressure_range('SETTINGS*')) ]
kbintegration_tags = Or(('internal', 'external'))
kbintegration = [Literal('LIBINPUT_ATTR_KEYBOARD_INTEGRATION')('NAME') -
Suppress('=') -
kbintegration_tags('VALUE')]
palm_prop = [Literal('LIBINPUT_ATTR_PALM_PRESSURE_THRESHOLD')('NAME') -
Suppress('=') -
INTEGER('X')]
grammar = Or(model_props + size_props + reliability + tpkbcombo +
pressure_prop + kbintegration + palm_prop)
grammar = Or(model_props + value_props + typed_props)
return grammar