1 | #!/usr/bin/perl -w |
---|
2 | |
---|
3 | # gettexttomsg.pl |
---|
4 | # |
---|
5 | # Copyright (C) 2001,2002,2005 Olly Betts |
---|
6 | # |
---|
7 | # This program is free software; you can redistribute it and/or modify |
---|
8 | # it under the terms of the GNU General Public License as published by |
---|
9 | # the Free Software Foundation; either version 2 of the License, or |
---|
10 | # (at your option) any later version. |
---|
11 | # |
---|
12 | # This program is distributed in the hope that it will be useful, |
---|
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
15 | # GNU General Public License for more details. |
---|
16 | # |
---|
17 | # You should have received a copy of the GNU General Public License |
---|
18 | # along with this program; if not, write to the Free Software |
---|
19 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
---|
20 | |
---|
21 | require 5.008; |
---|
22 | use bytes; |
---|
23 | use strict; |
---|
24 | |
---|
25 | use integer; |
---|
26 | |
---|
27 | # Magic identifier (12 bytes) |
---|
28 | my $magic = "Svx\nMsg\r\n\xfe\xff\0"; |
---|
29 | # Designed to be corrupted by ASCII ftp, top bit stripping (or |
---|
30 | # being used for parity). Contains a zero byte so more likely |
---|
31 | # to be flagged as data (e.g. by perl's "-B" test). |
---|
32 | |
---|
33 | my $major = 0; |
---|
34 | my $minor = 8; |
---|
35 | |
---|
36 | # File format (multi-byte numbers in network order (bigendian)): |
---|
37 | # 12 bytes: Magic identifier |
---|
38 | # 1 byte: File format major version number (0) |
---|
39 | # 1 byte: File format minor version number (8) |
---|
40 | # 2 bytes: Number of messages (N) |
---|
41 | # 4 bytes: Offset from XXXX to end of file |
---|
42 | # XXXX: |
---|
43 | # N*: |
---|
44 | # <message> NUL |
---|
45 | |
---|
46 | my %ent = (); |
---|
47 | |
---|
48 | open ENT, "../lib/named-entities.txt" or die $!; |
---|
49 | while (<ENT>) { |
---|
50 | my ($e, $v) = /^(\w+),(\d+)/; |
---|
51 | $ent{$e} = $v; |
---|
52 | } |
---|
53 | close ENT; |
---|
54 | |
---|
55 | my %revmsgs = (); |
---|
56 | |
---|
57 | open MSG, "../lib/messages.txt" or die $!; |
---|
58 | while (<MSG>) { |
---|
59 | next if /^\s*#/; # skip comments |
---|
60 | |
---|
61 | # en: 0 0.81 the message |
---|
62 | # en-us: 0 0.81 " the message " |
---|
63 | my ($langs, $msgno, $dummy, $msg) = /^([-\w,]+):\s*(\d+)\s+("?)(.*)\3/; |
---|
64 | |
---|
65 | unless (defined $langs) { |
---|
66 | chomp; |
---|
67 | print STDERR "Warning: Bad line: \"$_\"\n"; |
---|
68 | next; |
---|
69 | } |
---|
70 | |
---|
71 | $langs =~ tr/-/_/; |
---|
72 | |
---|
73 | if ($msg =~ /[\0-\x1f\x7f-\xff]/) { |
---|
74 | print STDERR "Warning: literal character in message $msgno\n"; |
---|
75 | } |
---|
76 | |
---|
77 | my $utf8 = string_to_utf8($msg); |
---|
78 | for (split /,/, $langs) { |
---|
79 | if (lc $_ eq 'en') { |
---|
80 | $revmsgs{$utf8} = $msgno; |
---|
81 | } |
---|
82 | } |
---|
83 | } |
---|
84 | |
---|
85 | my $die = 0; |
---|
86 | |
---|
87 | while (<>) { |
---|
88 | if (!/^\s*#/) { |
---|
89 | while (/\\\n$/) { |
---|
90 | $_ .= <>; |
---|
91 | } |
---|
92 | # very crude - doesn't know about comments, etc |
---|
93 | s!\b_\("(.*?)"\)!replacement($1)!gse; |
---|
94 | } elsif (/\s*#\s*define\s+_\(/) { |
---|
95 | $_ = "#include \"message.h\"\n"; |
---|
96 | } |
---|
97 | print; |
---|
98 | } |
---|
99 | |
---|
100 | if ($die) { |
---|
101 | die "Not all messages found!\n"; |
---|
102 | } |
---|
103 | |
---|
104 | sub replacement { |
---|
105 | my $msg = shift; |
---|
106 | $msg =~ s/\\\n//g; |
---|
107 | $msg =~ s/\\n/\n/g; |
---|
108 | $msg =~ s/\\t/\t/g; |
---|
109 | my $msgno = ""; |
---|
110 | if (exists $revmsgs{$msg}) { |
---|
111 | $msgno = $revmsgs{$msg}; |
---|
112 | } else { |
---|
113 | if (!$die) { |
---|
114 | print STDERR "Message(s) not found in message file:\n"; |
---|
115 | $die = 1; |
---|
116 | } |
---|
117 | print STDERR "'$msg'\n"; |
---|
118 | } |
---|
119 | $msg =~ s/\n/ /g; |
---|
120 | $msg =~ s/\t/	/g; |
---|
121 | return "msg(/*$msg*/$msgno)"; |
---|
122 | } |
---|
123 | |
---|
124 | sub string_to_utf8 { |
---|
125 | my $s = shift; |
---|
126 | $s =~ s/([\x80-\xff])/char_to_utf8(ord($1))/eg; |
---|
127 | $s =~ s/\&(#\d+|#x[a-f0-9]+|[a-z0-9]+);?/decode_entity($1)/eig; |
---|
128 | return $s; |
---|
129 | } |
---|
130 | |
---|
131 | sub decode_entity { |
---|
132 | my $ent = shift; |
---|
133 | return char_to_utf8($1) if $ent =~ /^#(\d+)$/; |
---|
134 | return char_to_utf8(hex($1)) if $ent =~ /^#x([a-f0-9]+)$/; |
---|
135 | return char_to_utf8($ent{$ent}) if exists $ent{$ent}; |
---|
136 | $ent = "\&$ent;"; |
---|
137 | print STDERR "Warning: entity \"$ent\" unknown\n"; |
---|
138 | return $ent; |
---|
139 | } |
---|
140 | |
---|
141 | sub char_to_utf8 { |
---|
142 | my $unicode = shift; |
---|
143 | # ASCII is easy, and the most common case |
---|
144 | return chr($unicode) if $unicode < 0x80; |
---|
145 | |
---|
146 | my $result = ''; |
---|
147 | my $n = 0x20; |
---|
148 | while (1) { |
---|
149 | $result = chr(0x80 | ($unicode & 0x3f)) . $result; |
---|
150 | $unicode >>= 6; |
---|
151 | last if $unicode < $n; |
---|
152 | $n >>= 1; |
---|
153 | } |
---|
154 | $result = chr((0x100 - $n*2) | $unicode) . $result; |
---|
155 | return $result; |
---|
156 | } |
---|