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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 | |
185c3be0 | 24 | import os |
56ba3c78 ZJS |
25 | |
26 | SECTION = '''\ | |
27 | MANPAGES += \\ | |
28 | {manpages} | |
29 | MANPAGES_ALIAS += \\ | |
30 | {aliases} | |
31 | {rules} | |
87cfe600 | 32 | {htmlrules} |
56ba3c78 ZJS |
33 | ''' |
34 | ||
35 | CONDITIONAL = '''\ | |
36 | if {conditional} | |
37 | ''' \ | |
38 | + SECTION + \ | |
39 | '''\ | |
40 | endif | |
41 | ''' | |
42 | ||
43 | HEADER = '''\ | |
44 | # Do not edit. Generated by make-man-rules.py. | |
185c3be0 | 45 | # Regenerate with 'make all update-man-list'. |
56ba3c78 ZJS |
46 | |
47 | ''' | |
48 | ||
c78ab911 ZJS |
49 | CLEANFILES = '''\ |
50 | ||
51 | CLEANFILES += \\ | |
52 | {cleanfiles} | |
53 | ''' | |
54 | ||
87cfe600 ZJS |
55 | HTML_ALIAS_RULE = '''\ |
56 | {}.html: {}.html | |
57 | $(html-alias) | |
58 | ''' | |
59 | ||
56ba3c78 ZJS |
60 | def man(page, number): |
61 | return 'man/{}.{}'.format(page, number) | |
62 | ||
63 | def add_rules(rules, name): | |
64 | xml = tree.parse(name) | |
65 | # print('parsing {}'.format(name), file=sys.stderr) | |
66 | conditional = xml.getroot().get('conditional') or '' | |
67 | rulegroup = rules[conditional] | |
68 | refmeta = xml.find('./refmeta') | |
69 | title = refmeta.find('./refentrytitle').text | |
70 | number = refmeta.find('./manvolnum').text | |
71 | refnames = xml.findall('./refnamediv/refname') | |
72 | target = man(refnames[0].text, number) | |
73 | if title != refnames[0].text: | |
74 | raise ValueError('refmeta and refnamediv disagree: ' + name) | |
75 | for refname in refnames: | |
76 | assert all(refname not in group | |
77 | for group in rules.values()), "duplicate page name" | |
78 | alias = man(refname.text, number) | |
79 | rulegroup[alias] = target | |
80 | # print('{} => {} [{}]'.format(alias, target, conditional), file=sys.stderr) | |
81 | ||
82 | def create_rules(*xml_files): | |
83 | " {conditional => {alias-name => source-name}} " | |
84 | rules = collections.defaultdict(dict) | |
85 | for name in xml_files: | |
86 | add_rules(rules, name) | |
87 | return rules | |
88 | ||
89 | def mjoin(files): | |
90 | return ' \\\n\t'.join(sorted(files) or '#') | |
91 | ||
c78ab911 | 92 | def make_makefile(rules, cleanfiles): |
56ba3c78 ZJS |
93 | return HEADER + '\n'.join( |
94 | (CONDITIONAL if conditional else SECTION).format( | |
95 | manpages=mjoin(set(rulegroup.values())), | |
96 | aliases=mjoin(k for k,v in rulegroup.items() if k != v), | |
97 | rules='\n'.join('{}: {}'.format(k,v) | |
98 | for k,v in sorted(rulegroup.items()) | |
99 | if k != v), | |
87cfe600 ZJS |
100 | htmlrules='\n'.join(HTML_ALIAS_RULE.format(k[:-2],v[:-2]) |
101 | for k,v in sorted(rulegroup.items()) | |
102 | if k != v), | |
56ba3c78 | 103 | conditional=conditional) |
c78ab911 ZJS |
104 | for conditional,rulegroup in sorted(rules.items())) + \ |
105 | CLEANFILES.format(cleanfiles=mjoin(cleanfiles)) | |
56ba3c78 ZJS |
106 | |
107 | if __name__ == '__main__': | |
c78ab911 | 108 | sources = set(sys.argv[1:]) |
185c3be0 | 109 | basenames = [os.path.basename(source) for source in sources] |
c78ab911 | 110 | spares = set([source for source in sources |
185c3be0 | 111 | if os.path.basename(source) + '.in' in basenames]) |
c78ab911 ZJS |
112 | rules = create_rules(*(sources - spares)) |
113 | print(make_makefile(rules, spares), end='') |