diff options
Diffstat (limited to 'libjava/classpath/scripts/unicode-muncher.pl')
-rwxr-xr-x | libjava/classpath/scripts/unicode-muncher.pl | 637 |
1 files changed, 433 insertions, 204 deletions
diff --git a/libjava/classpath/scripts/unicode-muncher.pl b/libjava/classpath/scripts/unicode-muncher.pl index b275f36f07b..db2b89a728c 100755 --- a/libjava/classpath/scripts/unicode-muncher.pl +++ b/libjava/classpath/scripts/unicode-muncher.pl @@ -42,20 +42,21 @@ # # Inspired by code from Jochen Hoenicke. # author Eric Blake <ebb9@email.byu.edu> +# updated to Unicode 4.0.0 by Anthony Balkissoon <abalkiss@redhat.com> # # Usage: ./unicode-muncher <UnicodeData> <SpecialCasing> <CharData.java> # where <UnicodeData> and <SpecialCasing> are .txt files obtained from -# www.unicode.org (named UnicodeData-3.0.0.txt and SpecialCasing-2.txt for -# Unicode version 3.0.0), and <CharData.java> is the final location for the +# www.unicode.org (named UnicodeData-4.0.0.txt and SpecialCasing-4.0.0.txt for +# Unicode version 4.0.0), and <CharData.java> is the final location for the # Java interface gnu.java.lang.CharData. -# As of JDK 1.4, use Unicode version 3.0.0 for best results. +# As of JDK 1.5, use Unicode version 4.0.0 for best results. ## ## Convert a 16-bit integer to a Java source code String literal character ## sub javaChar($) { my ($char) = @_; - die "Out of range: $char\n" if $char < -0x8000 or $char > 0xffff; + die "Out of range: $char\n" if $char < -0x8000 or $char > 0x10ffff; $char += 0x10000 if $char < 0; # Special case characters that must be escaped, or are shorter as ASCII return sprintf("\\%03o", $char) if $char < 0x20; @@ -77,18 +78,44 @@ my $NOBREAK_FLAG = 32; my $MIRRORED_FLAG = 64; my %special = (); -my @info = (); + +# infoArray is an array where each element is a list of character information +# for characters in a plane. The index of each list is equal to the plane +# that it corresponds to even though most of these lists will currently be +# empty. This is done so that that this script can be easily modified to +# accomodate future versions of Unicode. +my @infoArray = \((), (), (), (), (), (), (), (), + (), (), (), (), (), (), (), (), ()); + +# info is a reference to one of the lists in infoArray, depending on which +# plane we're currently parsing. +my $info; + +# titlecase is a string of ordered pairs of characters to store the titlecase +# conversions of characters that have them my $titlecase = ""; + +# count is simply used to print "." to the screen every so often my $count = 0; + +# range is used when the UnicodeData file blocks out ranges of code points my $range = 0; +# largeNums is an array of numerical values that are too large to fit +# into the 16 bit char where most numerical values are stored. +# What is stored in the char then is a number N such that (-N - 3) is +# the index into largeNums where the numerical value can be found. +my @largeNums = (); + die "Usage: $0 <UnicodeData.txt> <SpecialCasing.txt> <CharData.java>" unless @ARGV == 3; $| = 1; print "GNU Classpath Unicode Attribute Database Generator 2.1\n"; print "Copyright (C) 1998, 2002 Free Software Foundation, Inc.\n"; -# Stage 0: Parse the special casing file +################################################################################ +################################################################################ +## Stage 0: Parse the special casing file print "Parsing special casing file\n"; open (SPECIAL, "< $ARGV[1]") || die "Can't open special casing file: $!\n"; while (<SPECIAL>) { @@ -105,10 +132,11 @@ while (<SPECIAL>) { next unless defined $upper and $upper =~ / /; $special{hex $ch} = [map {hex} split ' ', $upper]; } - close SPECIAL; -# Stage 1: Parse the attribute file +################################################################################ +################################################################################ +## Stage 1: Parse the attribute file print "Parsing attributes file"; open (UNICODE, "< $ARGV[0]") || die "Can't open Unicode attribute file: $!\n"; while (<UNICODE>) { @@ -118,10 +146,17 @@ while (<UNICODE>) { my ($ch, $name, $category, undef, $bidir, $decomp, undef, undef, $numeric, $mirrored, undef, undef, $upcase, $lowcase, $title) = split ';'; $ch = hex($ch); - next if $ch > 0xffff; # Ignore surrogate pairs, since Java does + + # plane tells us which Unicode code plane we're currently in and is an + # index into infoArray. + my $plane = int($ch / 0x10000); + my $planeBase = $plane * 0x10000; + $info = \@{$infoArray[$plane]}; my ($type, $numValue, $upperchar, $lowerchar, $direction); + # Set the value of the $type variable, checking to make sure that it's valid + # and setting the mirrored and nobreak bits if necessary. $type = 0; while ($category !~ /^$TYPECODES[$type]$/) { if (++$type == @TYPECODES) { @@ -131,9 +166,18 @@ while (<UNICODE>) { $type |= $NOBREAK_FLAG if ($decomp =~ /noBreak/); $type |= $MIRRORED_FLAG if ($mirrored =~ /Y/); + # Set the value of the $numeric variable checking the special cases of + # large numbers or 'a' - 'z' values. if ($numeric =~ /^[0-9]+$/) { $numValue = $numeric; - die "numValue too big: $ch, $numValue\n" if $numValue >= 0x7fff; + # If numeric takes more than 16 bits to store we want to store that + # number in a separate array and store a number N in numValue such + # that (-N - 3) is the offset into the separate array containing the + # large numerical value. + if ($numValue >= 0x7fff) { + $numValue = -3 - @largeNums; + push @largeNums, $numeric; + } } elsif ($numeric eq "") { # Special case sequences of 'a'-'z' if ($ch >= 0x0041 && $ch <= 0x005a) { @@ -151,13 +195,20 @@ while (<UNICODE>) { $numValue = -2; } + # Set the uppercase and lowercase expansions for the character. $upperchar = $upcase ? hex($upcase) - $ch : 0; $lowerchar = $lowcase ? hex($lowcase) - $ch : 0; + + # If this character has a special titlecase expansion then append it to + # the titlecase String. if ($title ne $upcase) { my $titlechar = $title ? hex($title) : $ch; $titlecase .= pack("n2", $ch, $titlechar); } + # Set the direction variable, use the lower 2 bits as a count of how many + # characters will be added to the String if this character undergoes an + # uppercase expansion. $direction = 0; while ($bidir !~ /^$DIRCODES[$direction]$/) { if (++$direction == @DIRCODES) { @@ -168,159 +219,218 @@ while (<UNICODE>) { $direction <<= 2; $direction += $#{$special{$ch}} if defined $special{$ch}; + # If the UnicodeData file blocks off ranges of code points give them all + # the same character information. if ($range) { die "Expecting end of range at $ch\n" unless $name =~ /Last>$/; for ($range + 1 .. $ch - 1) { - $info[$_] = pack("n5", $type, $numValue, $upperchar, + $info->[$_ - $planeBase] = pack("n5", $type, $numValue, $upperchar, $lowerchar, $direction); } $range = 0; } elsif ($name =~ /First>$/) { $range = $ch; } - $info[$ch] = pack("n5", $type, $numValue, $upperchar, $lowerchar, + + # Store all this parsed information into the element in infoArray that info + # points to. + $info->[$ch - $planeBase] = pack("n5", $type, $numValue, $upperchar, $lowerchar, $direction); } close UNICODE; -# Stage 2: Compress the data structures +################################################################################ +################################################################################ +## Stage 2: Compress the data structures printf "\nCompressing data structures"; $count = 0; -my $info = (); -my %charhash = (); -my @charinfo = (); - -for my $ch (0 .. 0xffff) { - print "." unless $count++ % 0x1000; - $info[$ch] = pack("n5", 0, -1, 0, 0, -4) unless defined $info[$ch]; - - my ($type, $numVal, $upper, $lower, $direction) = unpack("n5", $info[$ch]); - if (! exists $charhash{$info[$ch]}) { - push @charinfo, [ $numVal, $upper, $lower, $direction ]; - $charhash{$info[$ch]} = $#charinfo; + +# data is a String that will be used to create the DATA String containing +# character information and offsets into the attribute tables. +my @data = (); + +# charhashArray is an array of hashtables used so that we can reuse character +# attributes when characters share the same attributes ... this makes our +# attribute tables smaller. charhash is a pointer into this array. +my @charhashArray = ({}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}); +my $charhash = (); + +# charinfoArray is an array of arrays, one per plane, for storing character +# information. charinfo is a pointer into this array. +my @charinfoArray = \((), (), (), (), (), (), (), (), + (), (), (), (), (), (), (), (), ()); +my $charinfo; + +# charlen is an array, one element per plane, that tells us how many unique +# character attributes there are for that plane. +my @charlen = (); + +for my $plane (0 .. 0x10) { + $info = \@{$infoArray[$plane]}; + my $planeBase = $plane * 0x10000; + $charhash = \%{$charhashArray[$plane]}; + $charinfo = \@{$charinfoArray[$plane]}; + + for my $ch ($planeBase .. $planeBase + 0xffff) { + my $index = $ch - $planeBase; + print "." unless $count++ % 0x1000; + $info->[$index] = pack("n5", 0, -1, 0, 0, -4) unless defined $info->[$index]; + + my ($type, $numVal, $upper, $lower, $direction) = unpack("n5", $info->[$index]); + if (! exists $charhash->{$info->[$index]}) { + # If we entered this loop that means the character we're looking at + # now has attributes that are unique from those that we've looked + # at so far for this plane. So we push its attributes into charinfo + # and store in charhash the offset into charinfo where these + # attributes can later be found. + push @{$charinfo}, [ $numVal, $upper, $lower, $direction ]; + $charhash->{$info->[$index]} = @{$charinfo} - 1; + # When the file is generaged, the number we just stored in charhas + # will be the upper 9 bits in the DATA String that are an offset + # into the attribute tables. + } + $data[$plane] .= pack("n", ($charhash->{$info->[$index]} << 7) | $type); } - $info .= pack("n", ($charhash{$info[$ch]} << 7) | $type); + $charlen[$plane] = scalar(@{$charinfoArray[$plane]}); } -my $charlen = @charinfo; -my $bestshift; +# the shift that results in the best compression of the table. This is an array +# because different shifts are better for the different tables for each plane. +my @bestshift; + +# an initial guess. my $bestest = 1000000; -my $bestblkstr; -die "Too many unique character entries: $charlen\n" if $charlen > 512; -print "\nUnique character entries: $charlen\n"; - -for my $i (3 .. 8) { - my $blksize = 1 << $i; - my %blocks = (); - my @blkarray = (); - my ($j, $k); - print "shift: $i"; - - for ($j = 0; $j < 0x10000; $j += $blksize) { - my $blkkey = substr $info, 2 * $j, 2 * $blksize; - if (! exists $blocks{$blkkey}) { - push @blkarray, $blkkey; - $blocks{$blkkey} = $#blkarray; - } - } - my $blknum = @blkarray; - my $blocklen = $blknum * $blksize; - printf " before %5d", $blocklen; - - # Now we try to pack the blkarray as tight as possible by finding matching - # heads and tails. - for ($j = $blksize - 1; $j > 0; $j--) { - my %tails = (); - for $k (0 .. $#blkarray) { - next unless defined $blkarray[$k]; - my $len = length $blkarray[$k]; - my $tail = substr $blkarray[$k], $len - $j * 2; - if (exists $tails{$tail}) { - push @{$tails{$tail}}, $k; - } else { - $tails{$tail} = [ $k ]; +my @bestblkstr; +my @blksize = (); + +for my $plane (0 .. 0x10) { + print "\n\nplane: $plane\n"; + print "Unique character entries: $charlen[$plane]\n"; + $bestest = 1000000; + for my $i (3 .. 8) { + my $blksize = 1 << $i; + my %blocks = (); + my @blkarray = (); + my ($j, $k); + print "shift: $i"; + + for ($j = 0; $j < 0x10000; $j += $blksize) { + my $blkkey = substr $data[$plane], 2 * $j, 2 * $blksize; + if (! exists $blocks{$blkkey}) { + push @blkarray, $blkkey; + $blocks{$blkkey} = $#blkarray; } } - # tails are calculated, now calculate the heads and merge. - BLOCK: - for $k (0 .. $#blkarray) { - next unless defined $blkarray[$k]; - my $tomerge = $k; - while (1) { - my $head = substr($blkarray[$tomerge], 0, $j * 2); - my $entry = $tails{$head}; - next BLOCK unless defined $entry; - - my $other = shift @{$entry}; - if ($other == $tomerge) { - if (@{$entry}) { - push @{$entry}, $other; - $other = shift @{$entry}; - } else { - push @{$entry}, $other; - next BLOCK; - } - } - if (@{$entry} == 0) { - delete $tails{$head}; + my $blknum = @blkarray; + my $blocklen = $blknum * $blksize; + printf " before %5d", $blocklen; + + # Now we try to pack the blkarray as tight as possible by finding matching + # heads and tails. + for ($j = $blksize - 1; $j > 0; $j--) { + my %tails = (); + for $k (0 .. $#blkarray) { + next unless defined $blkarray[$k]; + my $len = length $blkarray[$k]; + my $tail = substr $blkarray[$k], $len - $j * 2; + if (exists $tails{$tail}) { + push @{$tails{$tail}}, $k; + } else { + $tails{$tail} = [ $k ]; } + } + + # tails are calculated, now calculate the heads and merge. + BLOCK: + for $k (0 .. $#blkarray) { + next unless defined $blkarray[$k]; + my $tomerge = $k; + while (1) { + my $head = substr($blkarray[$tomerge], 0, $j * 2); + my $entry = $tails{$head}; + next BLOCK unless defined $entry; + + my $other = shift @{$entry}; + if ($other == $tomerge) { + if (@{$entry}) { + push @{$entry}, $other; + $other = shift @{$entry}; + } else { + push @{$entry}, $other; + next BLOCK; + } + } + if (@{$entry} == 0) { + delete $tails{$head}; + } - # a match was found - my $merge = $blkarray[$other] - . substr($blkarray[$tomerge], $j * 2); - $blocklen -= $j; - $blknum--; - - if ($other < $tomerge) { - $blkarray[$tomerge] = undef; - $blkarray[$other] = $merge; - my $len = length $merge; - my $tail = substr $merge, $len - $j * 2; - $tails{$tail} = [ map { $_ == $tomerge ? $other : $_ } - @{$tails{$tail}} ]; - next BLOCK; + # a match was found + my $merge = $blkarray[$other] + . substr($blkarray[$tomerge], $j * 2); + $blocklen -= $j; + $blknum--; + + if ($other < $tomerge) { + $blkarray[$tomerge] = undef; + $blkarray[$other] = $merge; + my $len = length $merge; + my $tail = substr $merge, $len - $j * 2; + $tails{$tail} = [ map { $_ == $tomerge ? $other : $_ } + @{$tails{$tail}} ]; + next BLOCK; + } + $blkarray[$tomerge] = $merge; + $blkarray[$other] = undef; } - $blkarray[$tomerge] = $merge; - $blkarray[$other] = undef; } } - } - my $blockstr; - for $k (0 .. $#blkarray) { - $blockstr .= $blkarray[$k] if defined $blkarray[$k]; - } - - die "Unexpected $blocklen" if length($blockstr) != 2 * $blocklen; - my $estimate = 2 * $blocklen + (0x20000 >> $i); + my $blockstr; + for $k (0 .. $#blkarray) { + $blockstr .= $blkarray[$k] if defined $blkarray[$k]; + } - printf " after merge %5d: %6d bytes\n", $blocklen, $estimate; - if ($estimate < $bestest) { - $bestest = $estimate; - $bestshift = $i; - $bestblkstr = $blockstr; + die "Unexpected $blocklen" if length($blockstr) != 2 * $blocklen; + my $estimate = 2 * $blocklen + (0x20000 >> $i); + + printf " after merge %5d: %6d bytes\n", $blocklen, $estimate; + if ($estimate < $bestest) { + $bestest = $estimate; + $bestshift[$plane] = $i; + $bestblkstr[$plane] = $blockstr; + } } + $blksize[$plane] = 1 << $bestshift[$plane]; + print "best shift: ", $bestshift[$plane]; + print " blksize: ", $blksize[$plane]; } - -my @blocks; -my $blksize = 1 << $bestshift; -for (my $j = 0; $j < 0x10000; $j += $blksize) { - my $blkkey = substr $info, 2 * $j, 2 * $blksize; - my $index = index $bestblkstr, $blkkey; - while ($index & 1) { - die "not found: $j" if $index == -1; - $index = index $bestblkstr, $blkkey, $index + 1; +my @blocksArray = \((), (), (), (), (), (), (), (), + (), (), (), (), (), (), (), (), ()); + +for my $plane (0 .. 0x10) { + for (my $j = 0; $j < 0x10000; $j += $blksize[$plane]) { + my $blkkey = substr $data[$plane], 2 * $j, 2 * $blksize[$plane]; + my $index = index $bestblkstr[$plane], $blkkey; + while ($index & 1) { + die "not found: $j" if $index == -1; + $index = index $bestblkstr[$plane], $blkkey, $index + 1; + } + push @{$blocksArray[$plane]}, ($index / 2 - $j) & 0xffff; } - push @blocks, ($index / 2 - $j) & 0xffff; } -# Phase 3: Generate the file -die "UTF-8 limit of blocks may be exceeded: " . scalar(@blocks) . "\n" - if @blocks > 0xffff / 3; -die "UTF-8 limit of data may be exceeded: " . length($bestblkstr) . "\n" - if length($bestblkstr) > 0xffff / 3; +################################################################################ +################################################################################ +## Stage 3: Generate the file +for my $plane (0 .. 0x10) { + die "UTF-8 limit of blocks may be exceeded for plane $plane: " . scalar(@{$blocksArray[$plane]}) . "\n" + if @{$blocksArray[$plane]} > 0xffff / 3; + die "UTF-8 limit of data may be exceeded for plane $plane: " . length($bestblkstr[$plane]) . "\n" + if length($bestblkstr[$plane]) > 0xffff / 3; +} + { - print "Generating $ARGV[2] with shift of $bestshift"; + print "\nGenerating $ARGV[2]."; my ($i, $j); open OUTPUT, "> $ARGV[2]" or die "Failed creating output file: $!\n"; @@ -372,18 +482,22 @@ package gnu.java.lang; * <code>$ARGV[1]</code>, by some * perl scripts. These Unicode definition files can be found on the * <a href="http://www.unicode.org">http://www.unicode.org</a> website. - * JDK 1.4 uses Unicode version 3.0.0. + * JDK 1.5 uses Unicode version 4.0.0. * * The data is stored as string constants, but Character will convert these - * Strings to their respective <code>char[]</code> components. The field + * Strings to their respective <code>char[]</code> components. The fields + * are stored in arrays of 17 elements each, one element per Unicode plane. * <code>BLOCKS</code> stores the offset of a block of 2<sup>SHIFT</sup> * characters within <code>DATA</code>. The DATA field, in turn, stores * information about each character in the low order bits, and an offset * into the attribute tables <code>UPPER</code>, <code>LOWER</code>, * <code>NUM_VALUE</code>, and <code>DIRECTION</code>. Notice that the * attribute tables are much smaller than 0xffff entries; as many characters - * in Unicode share common attributes. The DIRECTION table also contains - * a field for detecting characters with multi-character uppercase expansions. + * in Unicode share common attributes. Numbers that are too large to fit + * into NUM_VALUE as 16 bit chars are stored in LARGENUMS and a number N is + * stored in NUM_VALUE such that (-N - 3) is the offset into LARGENUMS for + * the particular character. The DIRECTION table also contains a field for + * detecting characters with multi-character uppercase expansions. * Next, there is a listing for <code>TITLE</code> exceptions (most characters * just have the same title case as upper case). Finally, there are two * tables for multi-character capitalization, <code>UPPER_SPECIAL</code> @@ -404,54 +518,117 @@ public interface CharData /** * The character shift amount to look up the block offset. In other words, - * <code>(char) (BLOCKS.value[ch >> SHIFT] + ch)</code> is the index where - * <code>ch</code> is described in <code>DATA</code>. + * <code>(char) (BLOCKS.value[ch >> SHIFT[p]] + ch)</code> is the index + * where <code>ch</code> is described in <code>DATA</code> if <code>ch</code> + * is in Unicode plane <code>p</code>. Note that <code>p</code> is simply + * the integer division of ch and 0x10000. */ - int SHIFT = $bestshift; + int[] SHIFT +EOF + for ($i = 0; $i < @bestshift - 1; $i++) { + if ($i == 0){ + print OUTPUT " = new int[] {"; + } + print OUTPUT $bestshift[$i], ", "; + } + if (scalar(@bestshift) > 0){ + print OUTPUT $bestshift[-1], "}"; + } + else { + print OUTPUT " = null"; + } + print OUTPUT <<EOF; +; /** * The mapping of character blocks to their location in <code>DATA</code>. * Each entry has been adjusted so that the 16-bit sum with the desired * character gives the actual index into <code>DATA</code>. */ - String BLOCKS + String[] BLOCKS = new String[]{ EOF - - for ($i = 0; $i < @blocks / 11; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 10) { - last if @blocks <= $i * 11 + $j; - my $val = $blocks[$i * 11 + $j]; - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + for ($i = 0; $i < @{$blocksArray[$plane]} / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if @{$blocksArray[$plane]} <= $i * 11 + $j; + my $val = $blocksArray[$plane]->[$i * 11 + $j]; + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; /** + * The array containing the numeric values that are too large to be stored as + * chars in NUM_VALUE. NUM_VALUE in this case will contain a negative integer + * N such that LARGENUMS[-N - 3] contains the correct numeric value. + */ + int[] LARGENUMS +EOF + for ($i = 0; $i < @largeNums - 1; $i++) { + if ($i == 0){ + print OUTPUT " = new int[] {"; + } + print OUTPUT $largeNums[$i], ", "; + } + if (scalar(@largeNums) > 0){ + print OUTPUT $largeNums[-1], "}"; + } + else { + print OUTPUT " = null"; + } + print OUTPUT <<EOF; +; + + /** * Information about each character. The low order 5 bits form the * character type, the next bit is a flag for non-breaking spaces, and the * next bit is a flag for mirrored directionality. The high order 9 bits * form the offset into the attribute tables. Note that this limits the * number of unique character attributes to 512, which is not a problem - * as of Unicode version 3.2.0, but may soon become one. + * as of Unicode version 4.0.0, but may soon become one. */ - String DATA + String[] DATA = new String[]{ EOF - - my $len = length($bestblkstr) / 2; - for ($i = 0; $i < $len / 11; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 10) { - last if $len <= $i * 11 + $j; - my $val = unpack "n", substr($bestblkstr, 2 * ($i * 11 + $j), 2); - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + my $len = length($bestblkstr[$plane]) / 2; + for ($i = 0; $i < $len / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if $len <= $i * 11 + $j; + my $val = unpack "n", substr($bestblkstr[$plane], 2 * ($i * 11 + $j), 2); + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; @@ -462,20 +639,33 @@ EOF * Note that this is a signed value, but stored as an unsigned char * since this is a String literal. */ - String NUM_VALUE + String[] NUM_VALUE = new String[]{ EOF - $len = @charinfo; - for ($i = 0; $i < $len / 11; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 10) { - last if $len <= $i * 11 + $j; - my $val = $charinfo[$i * 11 + $j][0]; - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + $len = @{$charinfoArray[$plane]}; + for ($i = 0; $i < $len / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if $len <= $i * 11 + $j; + my $val = $charinfoArray[$plane]->[$i * 11 + $j][0]; + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; @@ -487,20 +677,33 @@ EOF * capitalizing a String, you must first check if a multi-character uppercase * sequence exists before using this character. */ - String UPPER + String[] UPPER = new String[]{ EOF - $len = @charinfo; - for ($i = 0; $i < $len / 11; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 10) { - last if $len <= $i * 11 + $j; - my $val = $charinfo[$i * 11 + $j][1]; - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + $len = @{$charinfoArray[$plane]}; + for ($i = 0; $i < $len / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if $len <= $i * 11 + $j; + my $val = $charinfoArray[$plane]->[$i * 11 + $j][1]; + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; @@ -510,20 +713,33 @@ EOF * character and its lowercase version. Note that this is stored as an * unsigned char since this is a String literal. */ - String LOWER + String[] LOWER = new String[]{ EOF - $len = @charinfo; - for ($i = 0; $i < $len / 13; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 12) { - last if $len <= $i * 13 + $j; - my $val = $charinfo[$i * 13 + $j][2]; - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + $len = @{$charinfoArray[$plane]}; + for ($i = 0; $i < $len / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if $len <= $i * 11 + $j; + my $val = $charinfoArray[$plane]->[$i * 11 + $j][2]; + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; @@ -539,20 +755,33 @@ EOF * when performing the case conversion. Note that this information is stored * as an unsigned char since this is a String literal. */ - String DIRECTION + String[] DIRECTION = new String[]{ EOF - $len = @charinfo; - for ($i = 0; $i < $len / 17; $i++) { - print OUTPUT $i ? "\n + \"" : " = \""; - for $j (0 .. 16) { - last if $len <= $i * 17 + $j; - my $val = $charinfo[$i * 17 + $j][3]; - print OUTPUT javaChar($val); - } - print OUTPUT "\""; + for ($plane = 0; $plane <= 0x10; $plane++) { + # The following if statement handles the cases of unassigned planes + # specially so we don't waste space with unused Strings. As of + # Unicode version 4.0.0 only planes 0, 1, 2, and 14 are used. If + # you are updating this script to work with a later version of + # Unicode you may have to alter this if statement. + if ($plane > 2 && $plane != 14) { + print OUTPUT ($plane == 0x10) ? " \"\"}" : " \"\",\n\n"; + } + else { + $len = @{$charinfoArray[$plane]}; + for ($i = 0; $i < $len / 11; $i++) { + print OUTPUT $i ? "\n + " : " "; + print OUTPUT "\""; + for $j (0 .. 10) { + last if $len <= $i * 11 + $j; + my $val = $charinfoArray[$plane]->[$i * 11 + $j][3]; + print OUTPUT javaChar($val); + } + print OUTPUT "\""; + } + print OUTPUT ",\n\n"; + } } - print OUTPUT <<EOF; ; |