userlibandfileserver/fatfilenameconversionplugins/group/FatConversionTable.pl
changeset 0 a41df078684a
child 2 4122176ea935
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fatfilenameconversionplugins/group/FatConversionTable.pl	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,269 @@
+# Copyright (c) 2004-2009 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:
+# This tool takes a valid .txt file as an input parameter and converts it into a .cpp file
+# 
+#
+
+if (@ARGV != 1 && @ARGV != 2)
+	{
+	print <<EOD;
+Usage:explanation.....
+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] $!");
+
+open (CPP, ">$root.cpp") or die ("Error: $ARGV[0] Can't open cpp file");
+
+print CPP <<EOD;
+//
+// Auto-generated by the FatConversiontable tool - Do not edit!!!
+//
+
+#include <e32std.h>
+#include <e32def.h>
+#include <e32des8.h> 
+#include "convdatastruct.h"
+
+EOD
+print CPP "const TLeadOrSingle TConvDataStruct\:\:KFirstByteConversions\[\]=\n";
+print CPP "\t\t\{\n";
+
+my $input;
+my $count = 0;
+my $count2 = 0;
+my $tailIncrement = hex(40);
+my $index = 0;
+my $test = 0;
+my $leadByte = hex(00);
+
+until (eof IN) {	#until end of file
+
+#ignore lines that start with a '#' or which are in the range of 0x00 - 0x7F
+do {
+	$input = readline(IN) or die ("Error: Can't read line");
+}while ($input =~ m/^$*#/ || $input=~ m/^0x[0-7][0-9A-F]\t/);
+
+#single bytes get stored into 'SingleByte' array
+if($input =~ m/^0x(..)\t(.*)\t(#.*)$/) 
+	{
+	my $SingleByte = hex($1);
+	my $Unicode = $2;
+	my $Note = $3;
+	
+	if ($Unicode=~ m/0x..../)
+		{
+		@SingleByte[$count] = (["$SingleByte", "$Unicode"]);
+		$count = $count + 1;
+		}
+	if($Note eq '#DBCS LEAD BYTE')
+		{
+		@SingleByte[$count] = (["$SingleByte", "0"]);
+		$count = $count + 1;
+		}
+	if ($Note eq '#UNDEFINED')
+		{
+		@SingleByte[$count] = (["$SingleByte", "0xFFFD"]);		
+		$count = $count + 1;
+		}
+	}
+	
+#double bytes get stored into 'DoubleByte' array, whereby the tail bytes 
+#must not have any gaps from 0x40 to 0xFF;
+elsif($input=~ m/^0x(..)(..)\t(0x....)\t#.*/)
+	{
+	my $ForeignLead = hex($1);
+	my $ForeignTail = hex($2);
+	my $Unicode = $3;
+	$test = 1;		
+	
+	if($leadByte==0)
+		{
+		$leadByte=$ForeignLead;
+		}
+		
+	if($leadByte!=$ForeignLead)
+		{
+		if($tailIncrement!=hex(40))
+			{
+			while($tailIncrement<=hex(FF))
+				{
+				@DoubleByte[$count2] = (["$leadByte", "0xFFFD","$tailIncrement"]);
+				$count2++;	
+				$tailIncrement++;
+				}
+			}
+		$tailIncrement=hex(40);
+		$leadByte=$ForeignLead;
+		}
+		
+	while($tailIncrement<=$ForeignTail)
+		{
+		if($tailIncrement==$ForeignTail)
+			{
+			@DoubleByte[$count2] = (["$ForeignLead", "$Unicode","$ForeignTail"]);		
+			}
+		else
+			{
+			@DoubleByte[$count2] = (["$leadByte", "0xFFFD","$tailIncrement"]);
+			}
+		$count2++;	
+		if($tailIncrement==hex(FF))
+			{
+			$tailIncrement=hex(40);
+			$leadByte++;
+			}
+		else
+			{
+			$tailIncrement++;
+			}
+		}
+	}
+} #end of loop
+
+#my $d=0;
+#for ($d=0;$d<$count2;$d++)
+#{
+#print CPP"$DoubleByte[$d][0], $DoubleByte[$d][1], $DoubleByte[$d][2]\t\n";
+#}
+
+#checks if tail byte ended uncompleted (i.e. ends with xFD) and completes it to xFF;
+if($test==1)
+	{
+	my $counter = $count2-1;
+	$test=0;
+	
+	if($DoubleByte[$counter][2]<0xFF)
+		{
+		my $temp = $DoubleByte[$counter][0];
+		my $temp2 = $DoubleByte[$counter][2];
+		do
+			{
+			$temp2++;
+			@DoubleByte[$count2] = (["$temp", "0xFFFD","$temp2"]);
+			$count2 = $count2 + 1;
+			}while($temp2<0xFF);
+		}
+	}
+
+my $position = 0;
+my $position2 = 0;
+my $x=0;
+my $y=0;
+
+#get the positions of single/lead bytes
+for($x=0; $x<$count; $x++)
+	{
+	my $found=0;
+	if($SingleByte[$x][1] eq '0') #if lead-byte...
+		{	
+		for($y=0; $y<$count2; $y++)
+			{
+			if($SingleByte[$x][0] == $DoubleByte[$y][0])
+				{
+				$position = $y;
+				$position2 = $y + 192;
+				$found = 1;
+				$y=$count2;
+				}	
+			}		
+		if($found==1)
+			{
+			print CPP "\t\t\{$SingleByte[$x][1], $position\},\n";
+			}
+		else
+			{
+			print CPP "\t\t\{0xFFFD, $position2\},\n";
+			}
+		}
+	else
+		{
+		print CPP "\t\t\{$SingleByte[$x][1], $position2\},\n";
+		}
+	}
+print CPP "\t\t\};\n\n";
+
+#print double bytes
+print CPP "const TUint16 TConvDataStruct\:\:KDoubleByteConversions\[\]=\n";
+print CPP "\t\t\{";
+my $newLine = 0;
+if($count2>0)
+	{
+	for ($i=0; $i<$count2; $i++)
+		{
+		if($newLine==15)	#use a newline every 15 entries, to maintain user-friendliness
+			{
+			print CPP "\n\t\t";
+			$newLine = 0;
+			}
+		print CPP "$DoubleByte[$i][1],";
+		$newLine++;
+		}
+	}
+else
+	{
+	print CPP "0x00";
+	}
+print CPP "\};\n\n";
+if($count2>0)
+	{
+	$count2=$count2-1;
+	}
+print CPP "const TUint16 TConvDataStruct\:\:KDoubleByteConversionLength = $count2;\n\n";
+print CPP "const TUint8 TConvDataStruct\:\:KMinTrailByte = 0x40;\n\n";
+print CPP "const TUint8 TConvDataStruct\:\:KMaxTrailByte = 0xFF;\n\n";
+
+print CPP <<EOD;
+TInt TConvDataStruct::ConvertSingleUnicode(TInt aUnicode, TInt& aTrailByte)
+	{
+	aTrailByte = KErrNotFound;
+	
+	//single byte conversion check
+	for(TInt i=0;i!=0x80;++i)
+		{
+		if(KFirstByteConversions[i].iUnicodeIfSingle==aUnicode)
+			return i+0x80;
+		}
+	//double byte conversion check
+	for(TInt j=0;j<=KDoubleByteConversionLength;++j)
+		{
+		if(KDoubleByteConversions[j] == aUnicode)
+			{
+			for(TInt k=0x7F;k>=0;--k)
+				{
+				TInt temp = j-KFirstByteConversions[k].iDoubleByteIndex;
+				if(0<=temp)
+					{
+					aTrailByte = KMinTrailByte + temp;
+					return k+0x80;
+					}
+				}
+			}
+		}
+	return KErrNotFound;
+EOD
+print CPP "\t\}\n";