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#!/usr/bin/python
#
# Convert xorg keys from hal FDIs files to xorg.conf InputClass sections.
# Modified from Martin Pitt's original fdi2mpi.py script:
# http://cgit.freedesktop.org/media-player-info/tree/tools/fdi2mpi.py
#
# (C) 2010 Dan Nicholson
# (C) 2009 Canonical Ltd.
# Author: Dan Nicholson <dbn.lists@gmail.com>
# Author: Martin Pitt <martin.pitt@ubuntu.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# fur- nished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FIT- NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON-
# NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import sys, xml.dom.minidom
# dict converting <match> tags to Match* entries
match_table = {
'info.product': 'MatchProduct',
'input.product': 'MatchProduct',
'info.vendor': 'MatchVendor',
'input.vendor': 'MatchVendor',
'info.device': 'MatchDevicePath',
'linux.device_file': 'MatchDevicePath',
'/org/freedesktop/Hal/devices/computer:system.kernel.name': 'MatchOS',
'@info.parent:pnp.id': 'MatchPnPID',
}
# dict converting info.capabilities list to Match* entries
cap_match_table = {
'input.keys': 'MatchIsKeyboard',
'input.keyboard': 'MatchIsKeyboard',
'input.keypad': 'MatchIsKeyboard',
'input.mouse': 'MatchIsPointer',
'input.joystick': 'MatchIsJoystick',
'input.tablet': 'MatchIsTablet',
'input.touchpad': 'MatchIsTouchpad',
'input.touchscreen': 'MatchIsTouchscreen',
}
def device_glob(path):
'''Convert a contains device path to a glob entry'''
if path[0] != '/':
path = '*' + path
return path + '*'
def parse_match(node):
'''Parse a <match> tag to a tuple with InputClass values'''
match = None
value = None
booltype = False
# see what type of key we have
if node.attributes.has_key('key'):
key = node.attributes['key'].nodeValue
if key in match_table:
match = match_table[key]
elif key == 'info.capabilities':
booltype = True
# bail out now if it's unrecognized
if not match and not booltype:
return (match, value)
if node.attributes.has_key('string'):
value = node.attributes['string'].nodeValue
elif node.attributes.has_key('contains'):
value = node.attributes['contains'].nodeValue
if match == 'MatchDevicePath':
value = device_glob(value)
elif booltype and value in cap_match_table:
match = cap_match_table[value]
value = 'yes'
elif node.attributes.has_key('string_outof'):
value = node.attributes['string_outof'].nodeValue.replace(';','|')
elif node.attributes.has_key('contains_outof'):
all_values = node.attributes['contains_outof'].nodeValue.split(';')
for v in all_values:
if match == 'MatchDevicePath':
v = device_glob(v)
elif match == 'MatchPnPID' and len(v) < 7:
v += '*'
if value:
value += '|' + v
else:
value = v
return (match, value)
def parse_options(node):
'''Parse the x11_* options and return InputClass entries'''
driver = ''
ignore = False
options = []
for n in node.childNodes:
if n.nodeType != xml.dom.minidom.Node.ELEMENT_NODE:
continue
tag = n.tagName
key = n.attributes['key'].nodeValue
value = ''
if n.hasChildNodes():
content_node = n.childNodes[0]
assert content_node.nodeType == xml.dom.Node.TEXT_NODE
value = content_node.nodeValue
if tag == 'match':
continue
assert tag in ('addset', 'merge', 'append', 'remove')
if tag == 'remove' and key == 'input.x11_driver':
ignore = True
elif key == 'input.x11_driver':
driver = value
elif key.startswith('input.x11_options.'):
option = key.split('.', 2)[2]
options.append((option, value))
return (driver, ignore, options)
def is_match_node(node):
'''Check if a node is a <match> element'''
return node.nodeType == xml.dom.minidom.Node.ELEMENT_NODE and \
node.tagName == 'match'
def parse_all_matches(node):
'''Parse a x11 match tag and any parents that don't supply their
own options'''
matches = []
while True:
(key, value) = parse_match(node)
if key and value:
matches.append((key, value))
# walk up to a parent match node
node = node.parentNode
if node is None or not is_match_node(node):
break
# leave if there other options at this level
children = set([n.tagName for n in node.childNodes
if n.nodeType == xml.dom.minidom.Node.ELEMENT_NODE])
if children & set(['addset', 'merge', 'append']):
break
return matches
# stupid counter to give "unique" rule names
num_sections = 1
def print_section(matches, driver, ignore, options):
'''Print a valid InputClass section to stdout'''
global num_sections
print 'Section "InputClass"'
print '\tIdentifier "Converted Class %d"' % num_sections
num_sections += 1
for m, v in matches:
print '\t%s "%s"' % (m, v)
if driver:
print '\tDriver "%s"' % driver
if ignore:
print '\tOption "Ignore" "yes"'
for o, v in options:
print '\tOption "%s" "%s"' % (o, v)
print 'EndSection'
def parse_fdi(fdi):
'''Parse x11 matches from fdi'''
# find all <match> leaf nodes
num = 0
for match_node in fdi.getElementsByTagName('match'):
# see if there are any options at this level
(driver, ignore, options) = parse_options(match_node)
if not driver and not ignore and not options:
continue
matches = parse_all_matches(match_node)
if num > 0:
print
print_section(matches, driver, ignore, options)
num += 1
for f in sys.argv[1:]:
parse_fdi(xml.dom.minidom.parse(f))
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