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56ba3c78 ZJS |
1 | # -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */ |
2 | # | |
3 | # This file is part of systemd. | |
4 | # | |
5 | # Copyright 2013 Zbigniew Jędrzejewski-Szmek | |
6 | # | |
7 | # systemd is free software; you can redistribute it and/or modify it | |
8 | # under the terms of the GNU Lesser General Public License as published by | |
9 | # the Free Software Foundation; either version 2.1 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # systemd is distributed in the hope that it will be useful, but | |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | # Lesser General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU Lesser General Public License | |
18 | # along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | from __future__ import print_function | |
21 | import xml.etree.ElementTree as tree | |
22 | import collections | |
23 | import sys | |
24 | ||
25 | SECTION = '''\ | |
26 | MANPAGES += \\ | |
27 | {manpages} | |
28 | MANPAGES_ALIAS += \\ | |
29 | {aliases} | |
30 | {rules} | |
31 | ''' | |
32 | ||
33 | CONDITIONAL = '''\ | |
34 | if {conditional} | |
35 | ''' \ | |
36 | + SECTION + \ | |
37 | '''\ | |
38 | endif | |
39 | ''' | |
40 | ||
41 | HEADER = '''\ | |
42 | # Do not edit. Generated by make-man-rules.py. | |
43 | # Regenerate with 'make update-man-list'. | |
44 | ||
45 | ''' | |
46 | ||
c78ab911 ZJS |
47 | CLEANFILES = '''\ |
48 | ||
49 | CLEANFILES += \\ | |
50 | {cleanfiles} | |
51 | ''' | |
52 | ||
56ba3c78 ZJS |
53 | def man(page, number): |
54 | return 'man/{}.{}'.format(page, number) | |
55 | ||
56 | def add_rules(rules, name): | |
57 | xml = tree.parse(name) | |
58 | # print('parsing {}'.format(name), file=sys.stderr) | |
59 | conditional = xml.getroot().get('conditional') or '' | |
60 | rulegroup = rules[conditional] | |
61 | refmeta = xml.find('./refmeta') | |
62 | title = refmeta.find('./refentrytitle').text | |
63 | number = refmeta.find('./manvolnum').text | |
64 | refnames = xml.findall('./refnamediv/refname') | |
65 | target = man(refnames[0].text, number) | |
66 | if title != refnames[0].text: | |
67 | raise ValueError('refmeta and refnamediv disagree: ' + name) | |
68 | for refname in refnames: | |
69 | assert all(refname not in group | |
70 | for group in rules.values()), "duplicate page name" | |
71 | alias = man(refname.text, number) | |
72 | rulegroup[alias] = target | |
73 | # print('{} => {} [{}]'.format(alias, target, conditional), file=sys.stderr) | |
74 | ||
75 | def create_rules(*xml_files): | |
76 | " {conditional => {alias-name => source-name}} " | |
77 | rules = collections.defaultdict(dict) | |
78 | for name in xml_files: | |
79 | add_rules(rules, name) | |
80 | return rules | |
81 | ||
82 | def mjoin(files): | |
83 | return ' \\\n\t'.join(sorted(files) or '#') | |
84 | ||
c78ab911 | 85 | def make_makefile(rules, cleanfiles): |
56ba3c78 ZJS |
86 | return HEADER + '\n'.join( |
87 | (CONDITIONAL if conditional else SECTION).format( | |
88 | manpages=mjoin(set(rulegroup.values())), | |
89 | aliases=mjoin(k for k,v in rulegroup.items() if k != v), | |
90 | rules='\n'.join('{}: {}'.format(k,v) | |
91 | for k,v in sorted(rulegroup.items()) | |
92 | if k != v), | |
93 | conditional=conditional) | |
c78ab911 ZJS |
94 | for conditional,rulegroup in sorted(rules.items())) + \ |
95 | CLEANFILES.format(cleanfiles=mjoin(cleanfiles)) | |
56ba3c78 ZJS |
96 | |
97 | if __name__ == '__main__': | |
c78ab911 ZJS |
98 | sources = set(sys.argv[1:]) |
99 | spares = set([source for source in sources | |
100 | if source + '.in' in sources]) | |
101 | rules = create_rules(*(sources - spares)) | |
102 | print(make_makefile(rules, spares), end='') |