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root |
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#!/usr/local/bin/perl |
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# |
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# $Id: ucmlint,v 2.0 2004/05/16 20:55:16 dankogai Exp $ |
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# |
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use strict; |
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our $VERSION = do { my @r = (q$Revision: 2.0 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r }; |
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use Getopt::Std; |
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our %Opt; |
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getopts("Dehfv", \%Opt); |
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if ($Opt{e}){ |
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eval{ require Encode; }; |
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$@ and die "can't load Encode : $@"; |
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} |
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$Opt{h} and help(); |
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@ARGV or help(); |
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sub help{ |
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print <<""; |
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$0 -[Dehfv] [ucm files ...] |
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-D debug mode on |
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-e test with Encode module also (requires perl 5.7.3 or higher) |
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-h shows this message |
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-f forces roundtrip check even for |[123] |
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-v verbose mode |
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} |
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$| = 1; |
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my (%Hdr, %U2E, %E2U); |
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my $in_charmap = 0; |
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my $nerror = 0; |
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my $nwarning = 0; |
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sub nit($;$){ |
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my ($msg, $level) = @_; |
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my $lstr; |
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if ($level == 2){ |
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$lstr = 'notice'; |
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}elsif ($level == 1){ |
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$lstr = 'warning'; $nwarning++; |
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}else{ |
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$lstr = 'error'; $nerror++; |
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} |
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print "$ARGV:$lstr in line $.: $msg\n"; |
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} |
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for $ARGV (@ARGV){ |
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open UCM, $ARGV or die "$ARGV:$!"; |
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%Hdr = %U2E = %E2U = (); |
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$in_charmap = $nerror = $nwarning = 0; |
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$. = 0; |
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while(<UCM>){ |
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chomp; |
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s/\s*#.*$//o; /^$/ and next; |
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if ($_ eq "CHARMAP"){ |
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$in_charmap = 1; |
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for my $must (qw/code_set_name mb_cur_min mb_cur_max/){ |
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exists $Hdr{$must} or nit "<$must> nonexistent"; |
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} |
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$Hdr{mb_cur_min} > $Hdr{mb_cur_max} |
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and nit sprintf("mb_cur_min(%d) > mb_cur_max(%d)", |
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$Hdr{mb_cur_min},$Hdr{mb_cur_max}); |
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$in_charmap = 1; |
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next; |
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} |
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unless ($in_charmap){ |
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my($hkey, $hvalue) = /^<(\S+)>\s+[\"\']?([^\"\']+)/o or next; |
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$Opt{D} and warn "$hkey => $hvalue"; |
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if ($hkey eq "code_set_name"){ # name check |
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exists $Hdr{code_set_name} |
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and nit "Duplicate <code_set_name>: $hkey"; |
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} |
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if ($hkey eq "code_set_alias"){ # alias check |
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$hvalue eq $Hdr{code_set_name} |
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and nit qq(alias "$hvalue" is already in <code_set_name>); |
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} |
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$Hdr{$hkey} = $hvalue; |
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}else{ |
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my $name = $Hdr{code_set_name}; |
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my($unistr, $encstr, $fb) = /^(\S+)\s+(\S+)\s(\S+)/o or next; |
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$Opt{v} and nit $_, 2; |
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my $uni = uniparse($unistr); |
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my $enc = encparse($encstr); |
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$fb =~ /^\|([0123])$/ or nit "malformed fallback: $fb"; |
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$fb = $1; |
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$Opt{f} and $fb = 0; |
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unless ($fb == 1){ # check uni -> enc |
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if (exists $U2E{$uni}){ |
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nit "dupe encode map: U$uni => $U2E{$uni} and $enc", 1; |
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}else{ |
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$U2E{$uni} = $enc; |
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if ($Opt{e} and $fb != 3) { |
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my $e = hex2enc($enc); |
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my $u = hex2uni($uni); |
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my $eu = Encode::encode($name, $u); |
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$e eq $eu |
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or nit qq(encode('$name', $uni) != $enc); |
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} |
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} |
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} |
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unless ($fb == 3){ # check enc -> uni |
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if (exists $E2U{$enc}){ |
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nit "dupe decode map: $enc => U$E2U{$enc} and U$uni", 1; |
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}else{ |
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$E2U{$enc} = $uni; |
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if ($Opt{e} and $fb != 1) { |
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my $e = hex2enc($enc); |
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my $u = hex2uni($uni); |
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$Opt{D} and warn "$uni, $enc"; |
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my $de = Encode::decode($name, $e); |
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$de eq $u |
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or nit qq(decode('$name', $enc) != $uni); |
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} |
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} |
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} |
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# warn "$uni, $enc, $fb"; |
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} |
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} |
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$in_charmap or nit "Where is CHARMAP?"; |
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checkRT(); |
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printf ("$ARGV: %s error%s found\n", |
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($nerror == 0 ? 'no' : $nerror), |
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($nerror > 1 ? 's' : '')); |
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} |
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exit; |
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sub hex2enc{ |
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pack("C*", map {hex($_)} split(",", shift)); |
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} |
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sub hex2uni{ |
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join("", map { chr(hex($_)) } split(",", shift)); |
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} |
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sub checkRT{ |
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for my $uni (keys %E2U){ |
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my $enc = $U2E{$uni} or next; # okay |
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$E2U{$U2E{$uni}} eq $uni or |
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nit "RT failure: U$uni => $enc =>U$E2U{$U2E{$uni}}"; |
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} |
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for my $enc (keys %E2U){ |
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my $uni = $E2U{$enc} or next; # okay |
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$U2E{$E2U{$enc}} eq $enc or |
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nit "RT failure: $enc => U$uni => $U2E{$E2U{$enc}}"; |
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} |
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} |
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sub uniparse{ |
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my $str = shift; |
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my @u; |
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push @u, $1 while($str =~ /\G<U(.*?)>/ig); |
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for my $u (@u){ |
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$u =~ /^([0-9A-Za-z]+)$/o |
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or nit "malformed Unicode character: $u"; |
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} |
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return join(',', @u); |
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} |
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sub encparse{ |
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my $str = shift; |
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my @e; |
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for my $e (split /\\x/io, $str){ |
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$e or next; # first \x |
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$e =~ /^([0-9A-Za-z]{1,2})$/io |
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or nit "Hex $e in $str is bogus"; |
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push @e, $1; |
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} |
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return join(',', @e); |
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} |
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__END__ |
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A UCM file looks like this. |
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# |
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# Comments |
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# |
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<code_set_name> "US-ascii" # Required |
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<code_set_alias> "ascii" # Optional |
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<mb_cur_min> 1 # Required; usually 1 |
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<mb_cur_max> 1 # Max. # of bytes/char |
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<subchar> \x3F # Substitution char |
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# |
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CHARMAP |
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<U0000> \x00 |0 # <control> |
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<U0001> \x01 |0 # <control> |
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<U0002> \x02 |0 # <control> |
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.... |
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<U007C> \x7C |0 # VERTICAL LINE |
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<U007D> \x7D |0 # RIGHT CURLY BRACKET |
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<U007E> \x7E |0 # TILDE |
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<U007F> \x7F |0 # <control> |
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END CHARMAP |
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