# 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($_, pack 'C*', 0..255) } 'iso-8859-1', 'cp437';
+my @request = ('iso-8859-1', 'cp437');
+my @tables = map { decode($_, pack 'C*', 0..255) } @request;
my $NOCHAR = chr 0xFFFD;
for my $cp437 (grep {$request[$_] eq 'cp437'} 0 .. $#request) {
return $_;
}
+print "<ul>\n";
+
my @nibble = (0..9, 'A'..'F');
-for my $table (@tables) {
- print '<table class="glyphs"><col>';
- for my $section (qw{thead tfoot}) {
- print "<$section><tr><th>↳";
+for my $tablenum (0 .. $#tables) {
+ print '<li><table class="glyphs">';
+ printf '<caption>%s</caption>', $request[$tablenum];
+ print '<col>';
+ for my $section (qw{thead}) {
+ print "<$section><tr><th>↱";
print '<th>', $_ for @nibble;
- print "<th> \n";
+ print "\n";
}
print '<tbody>';
for my $msb (0 .. $#nibble) {
print '<tr><th>', $nibble[$msb];
for my $lsb (0 .. $#nibble) {
- my $glyph = substr $table, ($msb<<4) + $lsb, 1;
+ my $glyph = substr $tables[$tablenum], ($msb<<4) + $lsb, 1;
if ($glyph eq $NOCHAR) {
print '<td>';
next;
printf "\n".'<td class="%s" title="%s">%s',
join(' ', @class), quote($desc), $glyph;
}
- print "\n<th>", $nibble[$msb], "\n";
+ print "\n";
+ }
+ print "</table>\n";
+}
+
+{
+ print '<li><table class="glyphs"><caption>UTF-8</caption><col>';
+ for my $section (qw{thead}) {
+ print "<$section><tr><th>↱";
+ print '<th>', $_ for @nibble;
+ print "\n";
+ }
+ print '<tbody>';
+ print '<tr rowspan="8">';
+ for my $msb (0 .. $#nibble) {
+ print '<tr><th>', $nibble[$msb];
+ for my $lsb (0 .. $#nibble) {
+ my $value = ($msb<<4) + $lsb;
+ if ($value <= 0x7F) {
+ print '<td rowspan="8" colspan="16" class="X di-a"',
+ ' title="U+0000 – U+007F">Single byte ASCII'
+ if $value == 0;
+ }
+ elsif ($value <= 0xBF) {
+ print '<td rowspan="4" colspan="16" class="X di-d"',
+ '>Multi-byte continuation'
+ if $value == 0x80;
+ }
+ elsif ($value <= 0xC1) {
+ print '<td colspan="2" class="X di-b" style="border-right:none; border-bottom:none"',
+ ' title="U+0000 – U+007F">(Overl.)'
+ if $value == 0xC0;
+ }
+ elsif ($value <= 0xDF) {
+ print '<td rowspan="2" colspan="14" class="X di-prop" style="border-left:none"',
+ ' title="U+0080 – U+03FF">2-byte sequence start'
+ if $value == 0xC2;
+ print '<td rowspan="1" colspan="16" class="X di-prop" style="border-top:none"',
+ ' title="U+0400 – U+07FF">'
+ if $value == 0xD0;
+ }
+ elsif ($value <= 0xEF) {
+ print '<td colspan="16" class="X di-prop"',
+ ' title="U+0800 – U+FFFF">3-byte sequence start'
+ if $value == 0xE0;
+ }
+ elsif ($value <= 0xF4) {
+ print '<td colspan="5" class="X di-prop" style="border-right:none"',
+ ' title="U+1·0000 – U+10·FFFF">4-byte sequence'
+ if $value == 0xF0;
+ }
+ elsif ($value <= 0xF7) {
+ print '<td colspan="3" class="X di-b" style="border-left:none"',
+ ' title="U+11·0000 – U+1FF·FFFF">(Overflow)'
+ if $value == 0xF5;
+ }
+ elsif ($value <= 0xFB) {
+ print '<td colspan="4" class="X di-b"',
+ ' title="U+200·0000 – U+3FFF·FFFF">5-byte'
+ if $value == 0xF8;
+ }
+ elsif ($value <= 0xFD) {
+ print '<td colspan="2" class="X di-b"',
+ ' title="U+4000·0000 – 7FFFF·FFFF">6-byte'
+ if $value == 0xFC;
+ }
+ elsif ($value <= 0xFF) {
+ print '<td colspan="2" class="di-invalid">Invalid'
+ if $value == 0xFE;
+ }
+ else {
+ print "\n".'<td class="X">?';
+ }
+ }
+ print "\n";
}
print "</table>\n";
}
+print "</ul>\n";
+
+:>
+<hr>
+
+<p class="footer">
+ <a href="http://sheet.shiar.nl/" rel="home">sheet.shiar.nl</a>/charset
+ <a href="git://git.shiar.nl/sheet" rel="vcs-git" title="Git repository"><:= "v$VERSION" :></a>
+ created by <a href="http://shiar.nl/" rel="author">Shiar</a> •
+ <a title="Licensed under the GNU Affero General Public License, version 3" rel="copyright"
+ href="http://www.fsf.org/licensing/licenses/agpl-3.0.html">AGPLv3</a> •
+ last update <:
+ use Time::Format qw(time_format);
+ print time_format('yyyy-mm-dd', (stat $ENV{SCRIPT_FILENAME})[9]);
+ :>
+</p>
+
+</html>