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c3f6a561 | 1 | #!/usr/bin/python3 |
acb98601 | 2 | # -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */ |
0c9836c0 | 3 | # |
acb98601 ZJS |
4 | # This file is part of systemd. It is distrubuted under the MIT license, see |
5 | # below. | |
0c9836c0 | 6 | # |
acb98601 | 7 | # Copyright 2016 Zbigniew Jędrzejewski-Szmek |
0c9836c0 | 8 | # |
acb98601 | 9 | # The MIT License (MIT) |
0c9836c0 | 10 | # |
acb98601 ZJS |
11 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
12 | # of this software and associated documentation files (the "Software"), to deal | |
13 | # in the Software without restriction, including without limitation the rights | |
14 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | # copies of the Software, and to permit persons to whom the Software is | |
16 | # furnished to do so, subject to the following conditions: | |
0c9836c0 | 17 | # |
acb98601 ZJS |
18 | # The above copyright notice and this permission notice shall be included in |
19 | # all copies or substantial portions of the Software. | |
20 | # | |
21 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
22 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
23 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
24 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
25 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
26 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
27 | # SOFTWARE. | |
0c9836c0 | 28 | |
0c9836c0 | 29 | import functools |
c3f6a561 ZJS |
30 | import glob |
31 | import string | |
32 | import sys | |
33 | import os | |
0c9836c0 ZJS |
34 | |
35 | try: | |
36 | from pyparsing import (Word, White, Literal, ParserElement, Regex, | |
37 | LineStart, LineEnd, | |
38 | ZeroOrMore, OneOrMore, Combine, Or, Optional, Suppress, Group, | |
39 | nums, alphanums, printables, | |
40 | stringEnd, pythonStyleComment, | |
41 | ParseBaseException) | |
42 | except ImportError: | |
c3f6a561 ZJS |
43 | print('pyparsing is not available') |
44 | sys.exit(77) | |
0c9836c0 ZJS |
45 | |
46 | try: | |
47 | from evdev.ecodes import ecodes | |
48 | except ImportError: | |
49 | ecodes = None | |
50 | print('WARNING: evdev is not available') | |
51 | ||
52 | EOL = LineEnd().suppress() | |
53 | EMPTYLINE = LineStart() + LineEnd() | |
54 | COMMENTLINE = pythonStyleComment + EOL | |
55 | INTEGER = Word(nums) | |
56 | REAL = Combine((INTEGER + Optional('.' + Optional(INTEGER))) ^ ('.' + INTEGER)) | |
57 | UDEV_TAG = Word(string.ascii_uppercase, alphanums + '_') | |
58 | ||
59 | TYPES = {'mouse': ('usb', 'bluetooth', 'ps2', '*'), | |
60 | 'evdev': ('name', 'atkbd', 'input'), | |
61 | 'touchpad': ('i8042', 'rmi', 'bluetooth', 'usb'), | |
62 | 'keyboard': ('name', ), | |
63 | } | |
64 | ||
65 | @functools.lru_cache() | |
66 | def hwdb_grammar(): | |
67 | ParserElement.setDefaultWhitespaceChars('') | |
68 | ||
69 | prefix = Or(category + ':' + Or(conn) + ':' | |
70 | for category, conn in TYPES.items()) | |
71 | matchline = Combine(prefix + Word(printables + ' ' + '®')) + EOL | |
72 | propertyline = (White(' ', exact=1).suppress() + | |
73 | Combine(UDEV_TAG - '=' - Word(alphanums + '_=:@*.! ') - Optional(pythonStyleComment)) + | |
74 | EOL) | |
75 | propertycomment = White(' ', exact=1) + pythonStyleComment + EOL | |
76 | ||
77 | group = (OneOrMore(matchline('MATCHES*') ^ COMMENTLINE.suppress()) - | |
78 | OneOrMore(propertyline('PROPERTIES*') ^ propertycomment.suppress()) - | |
79 | (EMPTYLINE ^ stringEnd()).suppress() ) | |
80 | commentgroup = OneOrMore(COMMENTLINE).suppress() - EMPTYLINE.suppress() | |
81 | ||
82 | grammar = OneOrMore(group('GROUPS*') ^ commentgroup) + stringEnd() | |
83 | ||
84 | return grammar | |
85 | ||
86 | @functools.lru_cache() | |
87 | def property_grammar(): | |
88 | ParserElement.setDefaultWhitespaceChars(' ') | |
89 | ||
90 | setting = Optional('*')('DEFAULT') + INTEGER('DPI') + Suppress('@') + INTEGER('HZ') | |
91 | props = (('MOUSE_DPI', Group(OneOrMore(setting('SETTINGS*')))), | |
92 | ('MOUSE_WHEEL_CLICK_ANGLE', INTEGER), | |
a6a8e60b | 93 | ('MOUSE_WHEEL_CLICK_ANGLE_HORIZONTAL', INTEGER), |
0c9836c0 ZJS |
94 | ('ID_INPUT_TRACKBALL', Literal('1')), |
95 | ('POINTINGSTICK_SENSITIVITY', INTEGER), | |
96 | ('POINTINGSTICK_CONST_ACCEL', REAL), | |
97 | ('ID_INPUT_TOUCHPAD_INTEGRATION', Or(('internal', 'external'))), | |
98 | ) | |
99 | fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE') | |
100 | for name, val in props] | |
101 | kbd_props = [Regex(r'KEYBOARD_KEY_[0-9a-f]+')('NAME') | |
102 | - Suppress('=') - | |
103 | ('!' ^ (Optional('!') - Word(alphanums + '_')))('VALUE') | |
104 | ] | |
105 | abs_props = [Regex(r'EVDEV_ABS_[0-9a-f]{2}')('NAME') | |
106 | - Suppress('=') - | |
107 | Word(nums + ':')('VALUE') | |
108 | ] | |
109 | ||
110 | grammar = Or(fixed_props + kbd_props + abs_props) | |
111 | ||
112 | return grammar | |
113 | ||
114 | ERROR = False | |
115 | def error(fmt, *args, **kwargs): | |
116 | global ERROR | |
117 | ERROR = True | |
118 | print(fmt.format(*args, **kwargs)) | |
119 | ||
120 | def convert_properties(group): | |
121 | matches = [m[0] for m in group.MATCHES] | |
122 | props = [p[0] for p in group.PROPERTIES] | |
123 | return matches, props | |
124 | ||
125 | def parse(fname): | |
126 | grammar = hwdb_grammar() | |
127 | try: | |
128 | parsed = grammar.parseFile(fname) | |
129 | except ParseBaseException as e: | |
130 | error('Cannot parse {}: {}', fname, e) | |
131 | return [] | |
132 | return [convert_properties(g) for g in parsed.GROUPS] | |
133 | ||
134 | def check_match_uniqueness(groups): | |
135 | matches = sum((group[0] for group in groups), []) | |
136 | matches.sort() | |
137 | prev = None | |
138 | for match in matches: | |
139 | if match == prev: | |
140 | error('Match {!r} is duplicated', match) | |
141 | prev = match | |
142 | ||
143 | def check_one_default(prop, settings): | |
144 | defaults = [s for s in settings if s.DEFAULT] | |
145 | if len(defaults) > 1: | |
146 | error('More than one star entry: {!r}', prop) | |
147 | ||
148 | def check_one_keycode(prop, value): | |
149 | if value != '!' and ecodes is not None: | |
150 | key = 'KEY_' + value.upper() | |
151 | if key not in ecodes: | |
152 | error('Keycode {} unknown', key) | |
153 | ||
154 | def check_properties(groups): | |
155 | grammar = property_grammar() | |
156 | for matches, props in groups: | |
157 | prop_names = set() | |
158 | for prop in props: | |
159 | # print('--', prop) | |
160 | prop = prop.partition('#')[0].rstrip() | |
161 | try: | |
162 | parsed = grammar.parseString(prop) | |
163 | except ParseBaseException as e: | |
164 | error('Failed to parse: {!r}', prop) | |
165 | continue | |
166 | # print('{!r}'.format(parsed)) | |
167 | if parsed.NAME in prop_names: | |
168 | error('Property {} is duplicated', parsed.NAME) | |
169 | prop_names.add(parsed.NAME) | |
170 | if parsed.NAME == 'MOUSE_DPI': | |
171 | check_one_default(prop, parsed.VALUE.SETTINGS) | |
172 | elif parsed.NAME.startswith('KEYBOARD_KEY_'): | |
173 | check_one_keycode(prop, parsed.VALUE) | |
174 | ||
175 | def print_summary(fname, groups): | |
176 | print('{}: {} match groups, {} matches, {} properties' | |
177 | .format(fname, | |
178 | len(groups), | |
179 | sum(len(matches) for matches, props in groups), | |
180 | sum(len(props) for matches, props in groups), | |
181 | )) | |
182 | ||
183 | if __name__ == '__main__': | |
c3f6a561 ZJS |
184 | args = sys.argv[1:] or glob.glob(os.path.dirname(sys.argv[0]) + '/[67]0-*.hwdb') |
185 | ||
186 | for fname in args: | |
0c9836c0 ZJS |
187 | groups = parse(fname) |
188 | print_summary(fname, groups) | |
189 | check_match_uniqueness(groups) | |
190 | check_properties(groups) | |
191 | ||
192 | sys.exit(ERROR) |