1 files changed, 92 insertions, 0 deletions
diff --git a/intl/uconv/tools/parse-mozilla-encoding-table.pl b/intl/uconv/tools/parse-mozilla-encoding-table.pl
new file mode 100644
index 000000000..d68b18e92
--- /dev/null
+++ b/intl/uconv/tools/parse-mozilla-encoding-table.pl
@@ -0,0 +1,92 @@
+#!/usr/bin/perl
+# parse-mozilla-encoding-table.pl, version 0.6
+#
+# Script to deassemble existing Mozilla *.uf or *.ut files
+# back to source conversion tables.
+# by Anthony Fok <anthony@thizlinux.com>, ThizLinux Laboratory Ltd., 2002/11/27
+# License: GNU General Public License, version 2 or newer
+# 
+# Used for verifying HKSCS-1999 hkscs.uf and hkscs.ut so that I can make
+# new ones for HKSCS-2001.  This script is quick-and-dirty and not very
+# robust, so if the debug output of fromu/tou ever changes, this script
+# will need to be modified too.  :-)
+
+my %data = ();
+my $mappingPos = 0;
+my $filename = shift;
+my $mode;
+if ($filename =~ /\.(ut|uf)$/) {
+  print $filename, "\n";
+  $mode = $1;
+} else {
+  die;
+}
+
+open(INFILE, "<$filename") or die;
+
+# Quick-and-dirty routine to populate %data
+while (<INFILE>) {
+  if (/^Begin of Item ([[:xdigit:]]+)/) {
+    die if defined($itemId) and hex($itemId) + 1 != hex($1);
+    $itemId = $1;
+    <INFILE> =~ /Format ([012])/ or die;
+    $format = $1;
+    <INFILE> =~ /srcBegin = ([[:xdigit:]]+)/ or die;
+    $srcBegin = $1;
+    
+    if ($format == 0) {		# Range
+      <INFILE> =~ /srcEnd = ([[:xdigit:]]+)/ or die;
+      $srcEnd = $1;
+      <INFILE> =~ /destBegin = ([[:xdigit:]]+)/ or die;
+      $destBegin = $1;
+
+      for ($i = hex($srcBegin); $i <= hex($srcEnd); $i++) {
+        $data{sprintf("%04X",$i)} = sprintf("%04X",
+	    hex($destBegin) + $i - hex($srcBegin));
+      }
+
+      <INFILE> =~ /^End of Item $itemId\s*$/ or die;
+    }
+    elsif ($format == 1) {	# Mapping
+      <INFILE> =~ /srcEnd = ([[:xdigit:]]+)/ or die;
+      $srcEnd = $1;
+      <INFILE> =~ /mappingOffset = ([[:xdigit:]]+)/ or die;
+      $mappingOffset = hex($1);
+      die unless $mappingOffset == $mappingPos;
+      <INFILE> =~ /Mapping  =\s*$/ or die;
+      until ($_ = <INFILE>, /^End of Item/) {
+        chop;
+        for $i (split ' ') {
+	  $key = sprintf("%04X", hex($srcBegin) - $mappingOffset + $mappingPos++);
+	  next if $i eq "FFFD";
+	  if (defined($data{$key})) {
+	    print "Error: doubly defined. $key was $data{$key}, and now $i.\n";
+	  } else {
+	    $data{$key} = $i;
+	  }
+	}
+      }
+      die unless $mappingPos - $mappingOffset == hex($srcEnd) - hex($srcBegin) + 1;
+      /^End of Item $itemId\s*$/ or die;
+    }
+    else {			# Single ($format == 2)
+      <INFILE> =~ /destBegin = ([[:xdigit:]]+)/ or die;
+      $destBegin = $1;
+      $data{$srcBegin} = $destBegin;
+      <INFILE> =~ /^End of Item $itemId\s*$/ or die;
+    }
+  }
+}
+
+# Generate conversion table
+for $key (sort keys %data) {
+  if ($mode eq "ut") {
+    print "0x$key\t0x$data{$key}\n";
+  } elsif ($mode eq "uf") {
+    print "0x$data{$key}\t0x$key\n";
+  } else {
+    die;
+  }
+}
+
+close INFILE;