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Commit | Line | Data |
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3f7b1143 DM |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
9ce3f62e | 5 | use Getopt::Std; |
3f7b1143 DM |
6 | use Locale::PO; |
7 | use JSON; | |
8 | use Encode; | |
9 | ||
10 | # current limits: | |
11 | # - we do not support plural. forms | |
12 | # - no message content support | |
13 | ||
9ce3f62e DM |
14 | my $options = {}; |
15 | ||
c1ae7daa | 16 | getopts('t:o:v:', $options) || |
9ce3f62e DM |
17 | die "unable to parse options\n"; |
18 | ||
3f7b1143 DM |
19 | die "no files specified\n" if !scalar(@ARGV); |
20 | ||
3f7b1143 DM |
21 | # like FNV32a, but we only return 31 bits (positive numbers) |
22 | sub fnv31a { | |
23 | my ($string) = @_; | |
24 | ||
25 | my $hval = 0x811c9dc5; | |
df8c4aa4 | 26 | for my $c (unpack('C*', $string)) { |
3f7b1143 | 27 | $hval ^= $c; |
df8c4aa4 | 28 | $hval += ($hval << 1) + ($hval << 4) + ($hval << 7) + ($hval << 8) + ($hval << 24); |
3f7b1143 DM |
29 | $hval = $hval & 0xffffffff; |
30 | } | |
31 | return $hval & 0x7fffffff; | |
32 | } | |
33 | ||
fe2d4dee | 34 | my $catalog = {}; |
3f7b1143 DM |
35 | |
36 | foreach my $filename (@ARGV) { | |
37 | my $href = Locale::PO->load_file_ashash($filename) || | |
38 | die "unable to load '$filename'\n"; | |
df8c4aa4 | 39 | |
3f7b1143 DM |
40 | my $charset; |
41 | my $hpo = $href->{'""'} || die "no header"; | |
42 | my $header = $hpo->dequote($hpo->msgstr); | |
43 | if ($header =~ m|^Content-Type:\s+text/plain;\s+charset=(\S+)$|im) { | |
44 | $charset = $1; | |
45 | } else { | |
46 | die "unable to get charset\n" if !$charset; | |
47 | } | |
48 | ||
df8c4aa4 | 49 | for my $k (keys %$href) { |
3f7b1143 DM |
50 | my $po = $href->{$k}; |
51 | next if $po->fuzzy(); # skip fuzzy entries | |
df8c4aa4 | 52 | my $ref = $po->reference() or next; # skip unused entries |
c1ae7daa | 53 | |
df8c4aa4 | 54 | # skip entries if "t" is defined (pve/pmg) and the string is |
c1ae7daa DC |
55 | # not used there or in the widget toolkit |
56 | next if $options->{t} && $ref !~ m/($options->{t}|proxmox)\-/; | |
df8c4aa4 | 57 | |
3f7b1143 DM |
58 | my $qmsgid = decode($charset, $po->msgid); |
59 | my $msgid = $po->dequote($qmsgid); | |
60 | ||
61 | my $qmsgstr = decode($charset, $po->msgstr); | |
62 | my $msgstr = $po->dequote($qmsgstr); | |
63 | ||
64 | next if !length($msgid); # skip header | |
fe2d4dee | 65 | next if !length($msgstr); # skip untranslated entries |
3f7b1143 DM |
66 | |
67 | my $digest = fnv31a($msgid); | |
68 | ||
df8c4aa4 | 69 | die "duplicate digest '$digest' (msgid '$msgid')\n" if $catalog->{$digest}; |
3f7b1143 DM |
70 | |
71 | $catalog->{$digest} = [ $msgstr ]; | |
72 | # later, we can add plural forms to the array | |
73 | } | |
74 | } | |
75 | ||
76 | my $json = to_json($catalog, {canonical => 1, utf8 => 1}); | |
77 | ||
c08a2840 TL |
78 | my $version = $options->{v} // ("dev-build " . localtime()); |
79 | my $content = "// $version\n"; # write version to the beginning to better avoid stale cache | |
9ce3f62e DM |
80 | |
81 | my $outfile = $options->{o}; | |
82 | ||
83 | $content .= "// Proxmox Message Catalog: $outfile\n" if $outfile; | |
84 | ||
85 | $content .= <<__EOD; | |
7159a792 | 86 | const __proxmox_i18n_msgcat__ = $json; |
3f7b1143 DM |
87 | |
88 | function fnv31a(text) { | |
7159a792 TL |
89 | let hval = 0x811c9dc5; |
90 | for (const c of text) { | |
3f7b1143 DM |
91 | hval ^= c; |
92 | hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24); | |
93 | } | |
94 | hval &= 0x7fffffff; | |
95 | return hval; | |
96 | } | |
97 | ||
98 | function gettext(buf) { | |
7159a792 TL |
99 | let digest = fnv31a(buf); |
100 | return __proxmox_i18n_msgcat__[digest]?.[0] ?? buf; | |
3f7b1143 | 101 | } |
3f7b1143 DM |
102 | __EOD |
103 | ||
9ce3f62e DM |
104 | if ($outfile) { |
105 | open(my $fh, '>', $outfile) || | |
106 | die "unable to open '$outfile' - $!\n"; | |
107 | print $fh $content; | |
108 | } else { | |
109 | print $content; | |
110 | } |