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#!/usr/bin/env perl
$basedir="/home/briot/perl-5.7.0/lib/unicode";
$blocks="$basedir/Blocks.txt";
$names="$basedir/Names.txt";
$name_index = 0;
$current = 0;
%list = ();
sub to_ada() {
my($original_name) = shift;
my ($name) = $original_name;
$name =~ s/\([^\)]+\)//g;
$name =~ s/\*//g;
$name =~ s/^\s+//;
$name =~ s/\s+$//;
$name =~ s/\s+/_/g;
$name =~ s/[-\'.]/_/g;
$name =~ s/__+/_/g;
$name =~ s/_$//;
@letters = split (/ */, $name);
$name = "";
$to_upper = 1;
foreach (@letters) {
if ($to_upper) {
$name = $name . uc ($_);
} else {
$name = $name . lc ($_);
}
$to_upper = ($_ eq '_');
}
$real_name = "";
do {$real_name = $original_name, $name = "Nul"} if ($name eq "Null");
do {$real_name = $original_name, $name = "Unicode_End"} if ($name eq "End");
do {$real_name = $original_name, $name = "Unicode_Xor"}
if ($name eq "Xor");
do {$real_name = $original_name, $name = "Unicode_Not"}
if ($name eq "Not");
do {$real_name = $original_name, $name =~ s/[!]//g;} if ($name =~ /!/);
return $name;
}
sub print_line() {
my ($current) = shift;
my ($char_name) = &to_ada (shift);
my ($out_line);
if (! defined $list {$char_name}) {
$list {$char_name} ++;
$out_line = " " . (sprintf ("%-39s", $char_name))
. " : constant Unicode_Char := 16#$current#;\n";
if ($real_name ne "") {
print OUT " -- Real Unicode name is $real_name\n";
}
if (length ($out_line) > 80) {
print OUT (join (":\n ", split (/: /, $out_line)));
} else {
print OUT "$out_line";
}
} else {
print OUT " -- Duplicate entry for $char_name\n";
}
}
open (BLOCKS, "$blocks") || die "$blocks not found";
open (NAMES, "$names") || die "$names not found";
# @names=<NAMES>;
# close (NAMES);
do {
$line = <NAMES>;
chop ($line);
} while ($line !~ /^[0-9A-F]/);
while (<BLOCKS>) {
# Skip comments
next if ($_ =~ /^\#/);
($cat_start, $cat_end, $name) = split (/; /);
$name = &to_ada ($name);
## On VMS, Filename lengths are limited to 39.39 characters
$name = "Alpha_Presentation_Forms"
if ($name eq "Alphabetic_Presentation_Forms");
$name = "Arabic_Present_FormsA"
if ($name eq "Arabic_Presentation_Forms_A");
$name = "Arabic_Present_FormsB"
if ($name eq "Arabic_Presentation_Forms_B");
$name = "Cjk_Compat_Ideographs"
if ($name eq "Cjk_Compatibility_Ideographs");
$name = "Cjk_Symbols_And_Punct"
if ($name eq "Cjk_Symbols_And_Punctuation");
$name = "Cjk_Unified_Ideographs"
if ($name eq "Cjk_Unified_Ideographs_Extension_A");
$name = "Combining_Diacritical"
if ($name eq "Combining_Diacritical_Marks");
$name = "Combining_Marks_Symbols"
if ($name eq "Combining_Marks_For_Symbols");
$name = "Cjk_Letters_Months"
if ($name eq "Enclosed_Cjk_Letters_And_Months");
$name = "Half_Full_Withdt_Forms"
if ($name eq "Halfwidth_And_Fullwidth_Forms");
$name = "High_Private_Surrogates"
if ($name eq "High_Private_Use_Surrogates");
$name = "Ideograph_Descr_Chars"
if ($name eq "Ideographic_Description_Characters");
$name = "Optical_Chars_Recognition"
if ($name eq "Optical_Character_Recognition");
$name = "Super_And_Sub_Scripts"
if ($name eq "Superscripts_And_Subscripts");
$name = "Canadian_Aboriginal"
if ($name eq "Unified_Canadian_Aboriginal_Syllabics");
(length ($name) <= 25)
|| die "!!! File name too long $name (length=", length ($name), ")\n";
$pkg = $name;
$pkg =~ tr/A-Z/a-z/;
next if ($pkg eq "");
open (OUT, ">unicode-names-$pkg.ads");
print OUT "-- This file is built automatically from data found on the\n";
print OUT "-- unicode web site (http://www.unicode.org)\n\n";
print OUT "package Unicode.Names.$name is\n";
%list = ();
while (1) {
($current, $char_name) = ($line =~ /^([0-9A-F]+)\s+(.*)/);
last if (($current cmp $cat_end) >= 0);
if ($char_name !~ /<control>|<reserved>/) {
&print_line ($current, $char_name);
}
do {
$line = <NAMES>;
chop ($line);
if ($line =~ /^\s+=\s+(.*)/) {
# In case there is a comma inside parenthesis
$char_name = $1;
$char_name =~ s/\([^\)]+\)//g;
foreach $char_name (split (/,/, $char_name)) {
&print_line ($current, $char_name);
}
}
} until ($line =~ /^[0-9A-F]/);
}
print OUT "end Unicode.Names.$name;\n";
}
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