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Date:      Wed, 2 Sep 2009 09:51:34 +0000 (UTC)
From:      Edwin Groothuis <edwin@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r196755 - user/edwin/locale/cldr/tools
Message-ID:  <200909020951.n829pYTN088103@svn.freebsd.org>
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Author: edwin
Date: Wed Sep  2 09:51:34 2009
New Revision: 196755
URL: http://svn.freebsd.org/changeset/base/196755

Log:
  Tool to conver the Unicode syntax into UTF-8

Added:
  user/edwin/locale/cldr/tools/unicode2src.pl   (contents, props changed)

Added: user/edwin/locale/cldr/tools/unicode2src.pl
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/edwin/locale/cldr/tools/unicode2src.pl	Wed Sep  2 09:51:34 2009	(r196755)
@@ -0,0 +1,144 @@
+#!/usr/bin/perl -wC
+
+#
+# $FreeBSD$
+#
+
+use strict;
+use XML::Parser;
+use Tie::IxHash;
+use Data::Dumper;
+use Getopt::Long;
+use Digest::SHA qw(sha1_hex);
+
+
+if ($#ARGV < 2) {
+	print "Usage: $0 --cldr=<cldrdir> --unidata=<unidatadir> --etc=<etcdir> --input=<inputfile> --output=<outputfile>\n";
+	exit(1);
+}
+
+my @filter = ();
+
+my $CLDRDIR = undef;
+my $UNIDATADIR = undef;
+my $ETCDIR = undef;
+my $TYPE = undef;
+my $INPUT = undef;
+my $OUTPUT = undef;
+
+my $result = GetOptions (
+		"cldr=s"	=> \$CLDRDIR,
+		"unidata=s"	=> \$UNIDATADIR,
+		"etc=s"		=> \$ETCDIR,
+		"type=s"	=> \$TYPE,
+		"input=s"	=> \$INPUT,
+		"output=s"	=> \$OUTPUT,
+	    );
+
+my %ucd = ();
+my %utf8map = ();
+my %utf8aliases = ();
+get_unidata($UNIDATADIR);
+get_utf8map("$CLDRDIR/posix/UTF-8.cm");
+convert($INPUT, $OUTPUT);
+
+############################
+
+sub get_unidata {
+	my $directory = shift;
+
+	open(FIN, "$directory/UnicodeData.txt")
+	    or die("Cannot open $directory/UnicodeData.txt");;
+	my @lines = <FIN>;
+	chomp(@lines);
+	close(FIN);
+
+	foreach my $l (@lines) {
+		my @a = split(/;/, $l);
+
+		$ucd{code2name}{"$a[0]"} = $a[1];	# Unicode name
+		$ucd{name2code}{"$a[1]"} = $a[0];	# Unicode code
+	}
+}
+
+sub get_utf8map {
+	my $file = shift;
+
+	open(FIN, $file);
+	my @lines = <FIN>;
+	close(FIN);
+	chomp(@lines);
+
+	my $prev_k = undef;
+	my $prev_v = "";
+	my $incharmap = 0;
+	foreach my $l (@lines) {
+		$l =~ s/\r//;
+		next if ($l =~ /^\#/);
+		next if ($l eq "");
+
+		if ($l eq "CHARMAP") {
+			$incharmap = 1;
+			next;
+		}
+
+		next if (!$incharmap);
+		last if ($l eq "END CHARMAP");
+
+		$l =~ /^<([^\s]+)>\s+(.*)/;
+		my $k = $1;
+		my $v = $2;
+		$k =~ s/_/ /g;		# unicode char string
+		$v =~ s/\\x//g;		# UTF-8 char code
+		$utf8map{$k} = $v;
+
+		$utf8aliases{$k} = $prev_k if ($prev_v eq $v);
+
+		$prev_v = $v;
+		$prev_k = $k;
+	}
+}
+
+sub decode_cldr {
+	my $s = shift;
+
+	my $v = $utf8map{$s};
+	$v = $utf8aliases{$s} if (!defined $v);
+	die "Cannot convert $s" if (!defined $v);
+
+	return pack("C", hex($v)) if (length($v) == 2);
+	return pack("CC", hex(substr($v, 0, 2)), hex(substr($v, 2, 2)))
+		if (length($v) == 4);
+	return pack("CCC", hex(substr($v, 0, 2)), hex(substr($v, 2, 2)),
+	    hex(substr($v, 4, 2))) if (length($v) == 6);
+	print STDERR "Cannot convert $s\n";
+	return "length = " . length($v);
+}
+
+sub convert {
+	my $IN = shift;
+	my $OUT = shift;
+
+	open(FIN, "$IN");
+	open(FOUT, ">$OUT");
+
+#	print Dumper(%utf8map);
+
+	my $l;
+	while (defined ($l = <FIN>)) {
+		chomp($l);
+
+		if ($l =~ /^#/) {
+			print FOUT $l, "\n";
+			next;
+		}
+
+		while ($l =~ /^(.*?)<(.*?)>(.*)$/) {
+			$l = $1 . decode_cldr($2) . $3;
+		}
+		print FOUT $l, "\n";
+	}
+
+	close(FOUT);
+	close(FIN);
+}

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