c6d25d8d |
1 | #!/usr/bin/env perl -w |
2 | |
3 | # This script generates sbcsdat.c (the data for all the SBCSes) from its |
4 | # source form sbcs.dat. |
5 | |
6 | $infile = "sbcs.dat"; |
7 | $infile = shift @ARGV if defined $ARGV[0]; |
8 | $outfile = "sbcsdat.c"; |
9 | $outfile = shift @ARGV if defined $ARGV[0]; |
10 | |
11 | open FOO, $infile; |
12 | open BAR, ">$outfile"; |
13 | select BAR; |
14 | |
15 | print "/*\n"; |
16 | print " * sbcsdat.c - data definitions for single-byte character sets.\n"; |
17 | print " *\n"; |
18 | print " * Generated by sbcsgen.pl from sbcs.dat.\n"; |
19 | print " * You should edit those files rather than editing this one.\n"; |
20 | print " */\n"; |
21 | print "\n"; |
22 | print "#ifndef ENUM_CHARSETS\n"; |
23 | print "\n"; |
24 | print "#include \"charset.h\"\n"; |
25 | print "#include \"internal.h\"\n"; |
26 | print "\n"; |
27 | |
28 | my $charsetname = undef; |
29 | my @vals = (); |
30 | |
31 | my @charsetnames = (); |
32 | my @sortpriority = (); |
33 | |
34 | while (<FOO>) { |
35 | chomp; |
36 | if (/^charset (.*)$/) { |
37 | $charsetname = $1; |
38 | @vals = (); |
39 | @sortpriority = map { 0 } 0..255; |
40 | } elsif (/^sortpriority ([^-]*)-([^-]*) (.*)$/) { |
41 | for ($i = hex $1; $i <= hex $2; $i++) { |
42 | $sortpriority[$i] += $3; |
43 | } |
44 | } elsif (/^[0-9a-fA-FX]/) { |
45 | push @vals, map { $_ eq "XXXX" ? -1 : hex $_ } split / +/, $_; |
46 | if (scalar @vals > 256) { |
47 | die "$infile:$.: charset $charsetname has more than 256 values\n"; |
48 | } elsif (scalar @vals == 256) { |
49 | &outcharset($charsetname, \@vals, \@sortpriority); |
50 | push @charsetnames, $charsetname; |
51 | $charsetname = undef; |
52 | @vals = (); |
53 | @sortpriority = map { 0 } 0..255; |
54 | } |
55 | } |
56 | } |
57 | |
58 | print "#else /* ENUM_CHARSETS */\n"; |
59 | print "\n"; |
60 | |
61 | foreach $i (@charsetnames) { |
62 | print "ENUM_CHARSET($i)\n"; |
63 | } |
64 | |
65 | print "\n"; |
66 | print "#endif /* ENUM_CHARSETS */\n"; |
67 | |
68 | sub outcharset($$$) { |
69 | my ($name, $vals, $sortpriority) = @_; |
70 | my ($prefix, $i, @sorted); |
71 | |
72 | print "static const sbcs_data data_$name = {\n"; |
73 | print " {\n"; |
74 | $prefix = " "; |
75 | @sorted = (); |
76 | for ($i = 0; $i < 256; $i++) { |
77 | if ($vals->[$i] < 0) { |
78 | printf "%sERROR ", $prefix; |
79 | } else { |
80 | printf "%s0x%04x", $prefix, $vals->[$i]; |
81 | die "ooh? $i\n" unless defined $sortpriority->[$i]; |
82 | push @sorted, [$i, $vals->[$i], 0+$sortpriority->[$i]]; |
83 | } |
84 | if ($i % 8 == 7) { |
85 | $prefix = ",\n "; |
86 | } else { |
87 | $prefix = ", "; |
88 | } |
89 | } |
90 | print "\n },\n {\n"; |
91 | @sorted = sort { $a->[1] == $b->[1] ? |
92 | $b->[2] <=> $a->[2] : |
93 | $a->[1] <=> $b->[1] } @sorted; |
94 | $prefix = " "; |
95 | $uval = -1; |
96 | for ($i = $j = 0; $i < scalar @sorted; $i++) { |
97 | next if ($uval == $sorted[$i]->[1]); # low-priority alternative |
98 | $uval = $sorted[$i]->[1]; |
99 | printf "%s0x%02x", $prefix, $sorted[$i]->[0]; |
100 | if ($j % 8 == 7) { |
101 | $prefix = ",\n "; |
102 | } else { |
103 | $prefix = ", "; |
104 | } |
105 | $j++; |
106 | } |
107 | printf "\n },\n %d\n", $j; |
108 | print "};\n"; |
109 | print "const charset_spec charset_$name = {\n" . |
110 | " $name, read_sbcs, write_sbcs, &data_$name\n};\n\n"; |
111 | } |