import sys, xml.dom.minidom
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',
}
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
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
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))
node = node.parentNode
if node == None or not is_match_node(node):
break
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
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'''
num = 0
for match_node in fdi.getElementsByTagName('match'):
children = set([n.tagName for n in match_node.childNodes
if n.nodeType == xml.dom.minidom.Node.ELEMENT_NODE])
(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))