1#!/usr/bin/env python3
2#
3# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16#
17
18import argparse
19import glob
20import os
21import re
22import subprocess
23
24parser = argparse.ArgumentParser()
25parser.add_argument('--include_dir', action='store')
26parser.add_argument('--explicit_sources', action='append')
27parser.add_argument('--tmpl_dirs', action='append')
28parser.add_argument('--strip_prefix', action='store')
29parser.add_argument('--tmp_prefix', action='store')
30parser.add_argument('--output', action='store')
31args = parser.parse_args()
32
33pot_list = []
34
35# .tmpl
36tmpl_pot = args.tmp_prefix + '_tmpl.pot'
37tmpl_uniq_pot = args.tmp_prefix + '_tmpl_uniq.pot'
38tmpl = []
39pattern = re.compile(r'<\?\s*(?:FORMAT|(PLURAL))\s+(?:CTX="([^"]+?)"\s+)?"([^"]+?)"(?(1)\s+"([^"]+?)"|).*?(?:"TRANSLATORS:\s*([^"]+?)")?\s*\?>')
40for tmpl_dir in args.tmpl_dirs:
41    for fname in glob.iglob(tmpl_dir + '/*.tmpl'):
42        fbase = fname[len(args.strip_prefix):]
43        with open(fname, 'rt', encoding='utf8') as f:
44            for linenum, line in enumerate(f):
45                for x in pattern.finditer(line):
46                    text, plural, context, comment = x.group(3), x.group(4), x.group(2), x.group(5)
47                    if comment:
48                        tmpl.append('#  {}'.format(comment))
49                    tmpl.append('#: {}:{}'.format(fbase, linenum + 1))
50                    if context:
51                        tmpl.append('msgctxt "{}"'.format(context))
52                    tmpl.append('msgid "{}"'.format(text))
53                    if plural:
54                        tmpl.append('msgid_plural "{}"'.format(plural))
55                        tmpl.append('msgstr[0] ""')
56                        tmpl.append('msgstr[1] ""')
57                    else:
58                        tmpl.append('msgstr ""')
59                    tmpl.append('')
60
61# Bundle header to .tmpl, even if there were no .tmpl files.
62# Some .tmpl files contain non-ASCII characters, and the header is needed
63# anyway, because it's omitted from xgettext call below.
64with open(tmpl_pot, 'wt', encoding='utf8') as f:
65    print('msgid ""', file=f)
66    print('msgstr ""', file=f)
67    print(r'"Content-Type: text/plain; charset=UTF-8\n"', file=f)
68    print(r'"Content-Transfer-Encoding: 8bit\n"', file=f)
69    print(file=f)
70    for line in tmpl:
71        print(line, file=f)
72subprocess.check_call(['msguniq', '--force-po', '-o', tmpl_uniq_pot, tmpl_pot])
73pot_list.append(tmpl_uniq_pot)
74
75# .cpp
76main_pot = args.tmp_prefix + '_main.pot'
77subprocess.check_call(['xgettext',
78    '--omit-header',
79    '-D', args.include_dir,
80    '-o', main_pot,
81    '--keyword=t_s:1,1t',   '--keyword=t_s:1,2c,2t',
82    '--keyword=t_f:1,1t',   '--keyword=t_f:1,2c,2t',
83    '--keyword=t_p:1,2,3t', '--keyword=t_p:1,2,4c,4t',
84    '--keyword=t_d:1,1t',   '--keyword=t_d:1,2c,2t',
85] + args.explicit_sources)
86if os.path.isfile(main_pot):
87    pot_list.append(main_pot)
88
89# combine
90if pot_list:
91    subprocess.check_call(['msgcat', '-o', args.output] + pot_list)
92