X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/652fa60a059b983b901b344ea400230206bff8ff..bd4970d57dbf38e4c2b32d91c1395b87925b200c:/charset.plp
diff --git a/charset.plp b/charset.plp
index fd8d2ad..e9c4fcc 100644
--- a/charset.plp
+++ b/charset.plp
@@ -26,11 +26,24 @@ my $diinfo = do 'digraphs.inc.pl';
my %di = map { $diinfo->{$_}->[0] => $_ } grep { ref $diinfo->{$_} }
keys %$diinfo;
-use Encode qw(decode);
+use Encode qw(decode resolve_alias);
# generate character table(s)
# (~16x faster than decoding in loop;
# substr strings is twice as fast as splitting to an array)
-my @tables = map { decode($_, pack 'C*', 0..255) } 'iso-8859-1', 'cp437';
+my %ALIAS = (
+ default => [qw(utf-8 iso-8859-1 cp437)],
+ 0 => [qw(cp437 cp863)],
+ 1 => [qw(iso-8859-1 cp1252 MacRoman cp850)],
+ 2 => [qw(iso-8859-2 cp1250 cp852 MacCentralEurRoman MacCroatian MacRumanian)],
+ 5 => [qw(koi8-f iso-8859-5 cp1251 MacCyrillic cp855 cp866)],
+ 7 => [qw(iso-8859-7 cp1253 MacGreek cp737 cp869)],
+ 8 => [qw(iso-8859-8 cp1255 MacHebrew cp862)],
+);
+my @request = grep { defined } map {
+ $_ ? (resolve_alias($_) or print("Encoding $_ unknown") && ()) : ();
+} map { defined $ALIAS{$_} ? @{ $ALIAS{$_} } : $_ }
+ $ENV{PATH_INFO} =~ /\w/ ? split(m{[/+\s]}, $ENV{PATH_INFO}) : 'default';
+my @tables = map { $_ eq 'utf-8-strict' ? undef : decode($_, pack 'C*', 0..255) } @request;
my $NOCHAR = chr 0xFFFD;
for my $cp437 (grep {$request[$_] eq 'cp437'} 0 .. $#request) {
@@ -49,19 +62,87 @@ sub quote {
return $_;
}
+sub printcell_utf8 {
+ my ($value) = @_;
+ if ($value <= 0x7F) {
+ print '
Single byte ASCII'
+ if $value == 0;
+ }
+ elsif ($value <= 0xBF) {
+ print ' | Multi-byte continuation'
+ if $value == 0x80;
+ }
+ elsif ($value <= 0xC1) {
+ print ' | (Overl.)'
+ if $value == 0xC0;
+ }
+ elsif ($value <= 0xDF) {
+ print ' | 2-byte sequence start'
+ if $value == 0xC2;
+ print ' | '
+ if $value == 0xD0;
+ }
+ elsif ($value <= 0xEF) {
+ print ' | 3-byte sequence start'
+ if $value == 0xE0;
+ }
+ elsif ($value <= 0xF4) {
+ print ' | 4-byte sequence'
+ if $value == 0xF0;
+ }
+ elsif ($value <= 0xF7) {
+ print ' | (Overflow)'
+ if $value == 0xF5;
+ }
+ elsif ($value <= 0xFB) {
+ print ' | 5-byte'
+ if $value == 0xF8;
+ }
+ elsif ($value <= 0xFD) {
+ print ' | 6-byte'
+ if $value == 0xFC;
+ }
+ elsif ($value <= 0xFF) {
+ print ' | Invalid'
+ if $value == 0xFE;
+ }
+ else {
+ print "\n".' | ?';
+ }
+}
+
+print "\n";
+
my @nibble = (0..9, 'A'..'F');
-for my $table (@tables) {
- print '';
- for my $section (qw{thead tfoot}) {
- print "<$section>â³";
+for my $tablenum (0 .. $#tables) {
+ print '';
+ printf '%s', $request[$tablenum] eq 'utf-8-strict' ? 'UTF-8' : $request[$tablenum];
+ print '';
+ for my $section (qw{thead}) {
+ print "<$section>â±";
print ' | ', $_ for @nibble;
- print " | \n";
+ print "\n";
}
print ' | ';
for my $msb (0 .. $#nibble) {
print '', $nibble[$msb];
for my $lsb (0 .. $#nibble) {
- my $glyph = substr $table, ($msb<<4) + $lsb, 1;
+ if ($request[$tablenum] eq 'utf-8-strict') {
+ printcell_utf8(($msb<<4) + $lsb);
+ next;
+ }
+
+ my $glyph = substr $tables[$tablenum], ($msb<<4) + $lsb, 1;
if ($glyph eq $NOCHAR) {
print ' | ';
next;
@@ -81,8 +162,26 @@ for my $table (@tables) {
printf "\n".' | %s',
join(' ', @class), quote($desc), $glyph;
}
- print "\n | ", $nibble[$msb], "\n";
+ print "\n";
}
print " |
---|
\n";
}
+print "\n";
+
+:>
+
+
+
+
+ |
---|
|