2dc6356a |
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 | $outfile = "sbcsdat.c"; |
8 | |
9 | open FOO, $infile; |
10 | open BAR, ">$outfile"; |
11 | select BAR; |
12 | |
13 | print "/*\n"; |
14 | print " * sbcsdat.c - data definitions for single-byte character sets.\n"; |
15 | print " *\n"; |
16 | print " * Generated by sbcsgen.pl from sbcs.dat.\n"; |
17 | print " * You should edit those files rather than editing this one.\n"; |
18 | print " */\n"; |
19 | print "\n"; |
20 | print "#ifndef ENUM_CHARSETS\n"; |
21 | print "\n"; |
22 | print "#include \"charset.h\"\n"; |
23 | print "#include \"internal.h\"\n"; |
24 | print "\n"; |
25 | |
26 | my $charsetname = undef; |
27 | my @vals = (); |
28 | |
29 | my @charsetnames = (); |
30 | |
31 | while (<FOO>) { |
32 | chomp; |
33 | if (/^charset (.*)$/) { |
34 | $charsetname = $1; |
35 | @vals = (); |
36 | } elsif (/^[0-9a-fA-FX]/) { |
37 | push @vals, map { $_ eq "XXXX" ? -1 : hex $_ } split / +/, $_; |
38 | if (scalar @vals > 256) { |
39 | die "$infile:$.: charset $charsetname has more than 256 values\n"; |
40 | } elsif (scalar @vals == 256) { |
41 | &outcharset($charsetname, @vals); |
42 | push @charsetnames, $charsetname; |
43 | $charsetname = undef; |
44 | @vals = (); |
45 | } |
46 | } |
47 | } |
48 | |
49 | print "#else /* ENUM_CHARSETS */\n"; |
50 | print "\n"; |
51 | |
52 | foreach $i (@charsetnames) { |
53 | print "ENUM_CHARSET($i)\n"; |
54 | } |
55 | |
56 | print "\n"; |
57 | print "#endif /* ENUM_CHARSETS */\n"; |
58 | |
59 | sub outcharset($@) { |
60 | my ($name, @vals) = @_; |
61 | my ($prefix, $i, @sorted); |
62 | |
63 | print "static const sbcs_data data_$name = {\n"; |
64 | print " {\n"; |
65 | $prefix = " "; |
66 | @sorted = (); |
67 | for ($i = 0; $i < 256; $i++) { |
68 | if ($vals[$i] < 0) { |
69 | printf "%sERROR ", $prefix; |
70 | } else { |
71 | printf "%s0x%04x", $prefix, $vals[$i]; |
72 | push @sorted, [$i, $vals[$i]]; |
73 | } |
74 | if ($i % 8 == 7) { |
75 | $prefix = ",\n "; |
76 | } else { |
77 | $prefix = ", "; |
78 | } |
79 | } |
80 | print "\n },\n {\n"; |
81 | @sorted = sort { $a->[1] <=> $b->[1] } @sorted; |
82 | $prefix = " "; |
83 | for ($i = 0; $i < scalar @sorted; $i++) { |
84 | printf "%s0x%02x", $prefix, $sorted[$i]->[0]; |
85 | if ($i % 8 == 7) { |
86 | $prefix = ",\n "; |
87 | } else { |
88 | $prefix = ", "; |
89 | } |
90 | } |
91 | printf "\n },\n %d\n", scalar @sorted; |
92 | print "};\n"; |
93 | print "const charset_spec charset_$name = {\n" . |
94 | " $name, read_sbcs, write_sbcs, &data_$name\n};\n\n"; |
95 | } |