82 lines
2.2 KiB
Perl
Executable File
82 lines
2.2 KiB
Perl
Executable File
#!/usr/bin/perl
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# postconf2man - convert postconf2html to nroff
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# Basic operation:
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#
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# - Process input as blocks of text separated by one or more empty
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# (or all whitespace) lines.
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#
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# Caution: this depends heavily on the postconf2html output format.
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#use Getopt::Std;
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#$opt_h = undef;
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#$opt_v = undef;
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#getopts("hv");
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#die "Usage: $0 [-hv]\n" if ($opt_h);
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#push @ARGV, "/dev/null"; # XXX
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while(<>) {
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# Skip blank lines before text block.
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next unless (/\S/);
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# Gobble up the next text block.
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$block = "";
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do {
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$_ =~ s/\s+\n$/\n/;
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$block .= $_;
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} while(($_ = <>) && /\S/);
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$block =~ s/\n\./\n\\\&./g;
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if ($block =~ /<H2>/) {
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$block =~ s/<H2><a[^>]+>([^<]+)<\/a><\/H2>/\n.SH \1\n/g;
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$block =~ tr/a-z/A-Z/;
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}
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$block =~ s/<DT><b><a[^>]+>([^<]+)<\/a>\n(.*)<\/b><\/DT><DD>/\n.SH \1 \2\n/g;
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$block =~ s/<[Aa] [Hh][Rr][Ee][Ff]="[^"]+">//g;
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$block =~ s/<[Aa] [Nn][Aa][Mm][Ee]="[^"]+">//g;
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$block =~ s/<\/[Aa]>//g;
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$block =~ s/<\/DD>/\n/g;
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$block =~ s/<DL>/\n/g;
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$block =~ s/<\/DL>/\n/g;
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$block =~ s/\\/\\e/g;
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$block =~ s/<b>/\\fB/g;
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$block =~ s/<i>/\\fI/g;
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$block =~ s/<\/b>/\\fR/g;
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$block =~ s/<\/i>/\\fR/g;
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$block =~ s/^(<p(re)?>)/.PP\n\1/ if ($wantpp);
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$block =~ s/<p> */\n/g;
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$block =~ s/ *<\/p>/\n/g;
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$block =~ s/<pre>/\n.nf\n.na\n.ft C\n/g;
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$block =~ s/<\/pre>/\n.fi\n.ad\n.ft R\n/g;
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$block =~ s/<dl[^>]*>/\n/g;
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$block =~ s/<ul>/\n/g;
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#$block =~ s/<\/dl>/\n.PP\n/g;
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#$block =~ s/<\/ul>/\n.PP\n/g;
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$block =~ s/<\/dl>/\n/g;
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$block =~ s/<\/ul>/\n/g;
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$block =~ s/<dd>\s*/\n/g;
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$block =~ s/<\/dd>/\n/g;
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$block =~ s/<li>\s*/\n.IP \\(bu\n/g;
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$block =~ s/<dt>\s*/\n.IP "/g;
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$block =~ s/\s*<\/dt>/"/g;
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$block =~ s/<tt>\s*//g;
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$block =~ s/\s*<\/tt>//g;
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$block =~ s/<blockquote>/\n.na\n.nf\n.in +4\n/g;
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$block =~ s/<\/blockquote>/\n.in -4\n.fi\n.ad\n/g;
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$block =~ s/\n<br>/\n.br\n/g;
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$block =~ s/<br>\s*/\n.br\n/g;
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$block =~ s/</</g;
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$block =~ s/>/>/g;
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$block =~ s/&/\&/g;
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$block =~ s/\s+\n/\n/g;
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$block =~ s/^\n//g;
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$block =~ s/([a-z][_a-zA-Z0-9-]*)(\([0-9]\))/\\fB\1\\fR\2/g;
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print $block;
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$wantpp = !($block =~ /^\.(SH|IP)/);
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}
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