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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]; |
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10 | $outheader = "sbcsdat.h"; |
11 | $outheader = shift @ARGV if defined $ARGV[0]; |
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12 | |
13 | open FOO, $infile; |
14 | open BAR, ">$outfile"; |
15 | select BAR; |
16 | |
17 | print "/*\n"; |
18 | print " * sbcsdat.c - data definitions for single-byte character sets.\n"; |
19 | print " *\n"; |
20 | print " * Generated by sbcsgen.pl from sbcs.dat.\n"; |
21 | print " * You should edit those files rather than editing this one.\n"; |
22 | print " */\n"; |
23 | print "\n"; |
24 | print "#ifndef ENUM_CHARSETS\n"; |
25 | print "\n"; |
26 | print "#include \"charset.h\"\n"; |
27 | print "#include \"internal.h\"\n"; |
28 | print "\n"; |
29 | |
30 | my $charsetname = undef; |
31 | my @vals = (); |
32 | |
33 | my @charsetnames = (); |
34 | my @sortpriority = (); |
35 | |
36 | while (<FOO>) { |
37 | chomp; |
38 | if (/^charset (.*)$/) { |
39 | $charsetname = $1; |
40 | @vals = (); |
41 | @sortpriority = map { 0 } 0..255; |
42 | } elsif (/^sortpriority ([^-]*)-([^-]*) (.*)$/) { |
43 | for ($i = hex $1; $i <= hex $2; $i++) { |
44 | $sortpriority[$i] += $3; |
45 | } |
46 | } elsif (/^[0-9a-fA-FX]/) { |
47 | push @vals, map { $_ eq "XXXX" ? -1 : hex $_ } split / +/, $_; |
48 | if (scalar @vals > 256) { |
49 | die "$infile:$.: charset $charsetname has more than 256 values\n"; |
50 | } elsif (scalar @vals == 256) { |
51 | &outcharset($charsetname, \@vals, \@sortpriority); |
52 | push @charsetnames, $charsetname; |
53 | $charsetname = undef; |
54 | @vals = (); |
55 | @sortpriority = map { 0 } 0..255; |
56 | } |
57 | } |
58 | } |
59 | |
60 | print "#else /* ENUM_CHARSETS */\n"; |
61 | print "\n"; |
62 | |
63 | foreach $i (@charsetnames) { |
64 | print "ENUM_CHARSET($i)\n"; |
65 | } |
66 | |
67 | print "\n"; |
68 | print "#endif /* ENUM_CHARSETS */\n"; |
69 | |
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70 | close BAR; |
71 | |
72 | open BAR, ">$outheader"; |
73 | select BAR; |
74 | |
75 | print "/*\n"; |
76 | print " * sbcsdat.h - header file for SBCS data structures.\n"; |
77 | print " *\n"; |
78 | print " * Generated by sbcsgen.pl from sbcs.dat.\n"; |
79 | print " * You should edit those files rather than editing this one.\n"; |
80 | print " */\n"; |
81 | print "\n"; |
82 | print "#ifndef charset_sbcsdat_h\n"; |
83 | print "#define charset_sbcsdat_h\n"; |
84 | print "\n"; |
85 | print "#include \"charset.h\"\n"; |
86 | print "#include \"internal.h\"\n"; |
87 | print "\n"; |
88 | foreach $i (@charsetnames) { |
89 | print "extern const sbcs_data sbcsdata_$i;\n"; |
90 | } |
91 | print "\n"; |
92 | print "#endif /* charset_sbcsdat_h */\n"; |
93 | |
94 | close BAR; |
95 | |
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96 | sub outcharset($$$) { |
97 | my ($name, $vals, $sortpriority) = @_; |
98 | my ($prefix, $i, @sorted); |
99 | |
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100 | print "const sbcs_data sbcsdata_$name = {\n"; |
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101 | print " {\n"; |
102 | $prefix = " "; |
103 | @sorted = (); |
104 | for ($i = 0; $i < 256; $i++) { |
105 | if ($vals->[$i] < 0) { |
106 | printf "%sERROR ", $prefix; |
107 | } else { |
108 | printf "%s0x%04x", $prefix, $vals->[$i]; |
109 | die "ooh? $i\n" unless defined $sortpriority->[$i]; |
110 | push @sorted, [$i, $vals->[$i], 0+$sortpriority->[$i]]; |
111 | } |
112 | if ($i % 8 == 7) { |
113 | $prefix = ",\n "; |
114 | } else { |
115 | $prefix = ", "; |
116 | } |
117 | } |
118 | print "\n },\n {\n"; |
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119 | @sorted = sort { ($a->[1] == $b->[1] ? |
120 | $b->[2] <=> $a->[2] : |
121 | $a->[1] <=> $b->[1]) || |
122 | $a->[0] <=> $b->[0] } @sorted; |
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123 | $prefix = " "; |
124 | $uval = -1; |
125 | for ($i = $j = 0; $i < scalar @sorted; $i++) { |
126 | next if ($uval == $sorted[$i]->[1]); # low-priority alternative |
127 | $uval = $sorted[$i]->[1]; |
128 | printf "%s0x%02x", $prefix, $sorted[$i]->[0]; |
129 | if ($j % 8 == 7) { |
130 | $prefix = ",\n "; |
131 | } else { |
132 | $prefix = ", "; |
133 | } |
134 | $j++; |
135 | } |
136 | printf "\n },\n %d\n", $j; |
137 | print "};\n"; |
138 | print "const charset_spec charset_$name = {\n" . |
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139 | " $name, read_sbcs, write_sbcs, &sbcsdata_$name\n};\n\n"; |
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140 | } |