diff -r 000000000000 -r a41df078684a userlibandfileserver/fatfilenameconversionplugins/group/cp54936_4byte_tounicode.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fatfilenameconversionplugins/group/cp54936_4byte_tounicode.pl	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,175 @@
+# Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+#
+# Contributors:
+#
+# Description:
+# See line 111 of this file.
+#
+
+if (@ARGV != 1 && @ARGV != 2)
+	{
+	print <<EOD;
+Usage: perl -w cp54936_4byte.pl cp54936_4byte.txt
+EOD
+	exit(1);
+	}
+
+# Removes the extenstion from the filename
+$ARGV[0] =~ m/(.*)\..*/;
+my $root = $1;
+$root =~ m/.*[\\\/]([^\\\/]*)$/;
+my $header_to_include = $1;
+
+if (@ARGV == 2)
+	{
+	$ARGV[1] =~ m/(.*)\..*/;
+	$root = $1;
+	}
+
+open (IN, "<$ARGV[0]") or die ("Error: $ARGV[0] $!");
+
+my $lineNumber = 0;
+my $acceptLineNumber = 0;
+my %lines;		# hash table of all characters in format with key=foreign(string) and value=unicode(string)
+while (!eof(IN))
+	{
+	my $line = <IN>;
+	$lineNumber++;
+	if ($line =~ /^(0[xX]8[1-4]3\d[\da-fA-F]{2}3\d)\s*(0[xX][\da-fA-F]{4}).*/)
+		{
+		# read a line like "0x81318133	0x060D"
+		$acceptLineNumber++;
+		my $foreign = $1;
+		my $unicode = $2;
+		$lines{$foreign} = $unicode;
+		}
+	else
+		{
+		#print "Ignore line: $line";
+		}
+	}
+close IN;
+print "Read $ARGV[0] done.\n";
+print "$acceptLineNumber of $lineNumber lines accepted.\n";
+
+
+# increase input cp54936 code by 1
+# param is a string like "0x81308439"
+# return a string like "0x81308530"
+sub IncreaseCP54936Code
+	{
+	my ($increaseme) = @_;
+	$increaseme =~ /0[xX]([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})/;
+	($b1, $b2, $b3, $b4) = (hex($1), hex($2), hex($3), hex($4));
+	$b4++;
+	if ($b4 == 0x3A)
+		{
+		$b4 = 0x30;
+		$b3++;
+		if ($b3 == 0xFF)
+			{
+			$b3 = 0x81;
+			$b2++;
+			if ($b2 == 0x3A)
+				{
+				$b2 = 0x30;
+				$b1++;
+				}
+			}
+		}
+	return sprintf("0x%02X%02X%02X%02X", $b1, $b2, $b3, $b4);
+	}
+
+# return the offset from 0x81308130 to input "0x8234A235"
+sub OffsetOfCP54936Code
+	{
+	$_[0] =~ /0[xX]([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})/;
+	($b1, $b2, $b3, $b4) = (hex($1), hex($2), hex($3), hex($4));
+	return ($b1-0x81)*12600 + ($b2-0x30)*1260 + ($b3-0x81)*10 + ($b4-0x30);
+	}
+
+# return the last byte of input "0x8234A235"
+sub Byte4OfCP54936Code
+	{
+	$_[0] =~ /0[xX]([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})/;
+	return hex($4);
+	}
+
+
+print "Write to $root.cpp...\n";
+open (CPP, ">$root.cpp") or die ("Error: $ARGV[0] Can't open cpp file");
+
+print CPP <<EOD;
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+// Auto-generated by the cp54936_4byte_tounicode.pl tool - Do not edit!!!
+//
+
+#include <e32std.h>
+#include <e32def.h>
+#include "cp54936.h"
+
+
+// mapping table of: CP54936 4-byte in-BMP ---> Unicode
+// To calculate index: index=(b1-144)*12600+(b2-48)*1260+(b3-129)*10+(b4-48), in which,
+// b1,b2,b3,b4 is byte1,2,3,4 of CP54936 code.
+// For example, CP54936 code 0x8232EA38, the index=(0x82-144)*12600+(0x32-48)*1260+(0xEA-129)*10+(0x38-48)=16178
+// So we get the Unicode 0x42AB.
+// Generated with: \"perl -w ..\\group\\cp54936_4byte_tounicode.pl cp54936_4byte.txt cp54936_4byte_tounicode.cpp\".
+
+EOD
+
+my $bytecount = 0;
+my $expect = "0x81308130";
+my $last = "0x8431A439";
+my $totalCount = OffsetOfCP54936Code($last) + 1;
+
+
+print CPP "const TUint16 KMappingTable4ByteBmp2Unicode[$totalCount] =\n\t{\n\t";
+
+my $outIndex = 0;	# to wrap every 10 items
+while (OffsetOfCP54936Code($expect) <= OffsetOfCP54936Code($last))
+	{
+	if (!exists($lines{$expect}))
+		{
+		print CPP "0xFFFD, ";
+		}
+	else
+		{
+		print CPP "$lines{$expect}, ";
+		}
+	$bytecount += 2;
+	$outIndex++;
+	if ($outIndex % 10 == 0)
+		{
+		print CPP "\t// $expect\n\t";
+		}
+	# to next foreign
+	$expect = IncreaseCP54936Code($expect);
+	}
+
+print CPP "};\n";
+print CPP "// total byte count = $bytecount\n";
+print "\nTotal byte count: $bytecount.\n";
+close CPP;
+print "Done.\n";