charset: link specific pages back to overview

[sheet.git] / charset.plp

diff --git a/charset.plp b/charset.plp
index 9a9586aed92df41770edd47fcdc61f4d089cb0ec..9dd98a4028a60dc1b9310033561726700b42c266 100644 (file)
--- a/charset.plp
+++ b/charset.plp
@@ -43,7 +43,7 @@ sub optionlink {
 print join " •\n", (
        map {
                join " ·\n", pairmap {
-                       optionlink($b || ucfirst $a, "/charset/$a?compare", $a eq $Request);
+                       optionlink($b || ucfirst $a, '/charset'.($a && "/$a?compare"), $a eq $Request);
                } @{$_}
        }
        [
@@ -51,6 +51,7 @@ print join " •\n", (
                dos      => 'DOS',
                mac      => 'Apple',
                ebcdic   => 'EBCDIC',
+               $tablist[0] eq 'default' ? () : ('' => 'common'),
        ],
        [
                westeur  => 'West',
@@ -77,8 +78,8 @@ sub tabinput {
        my $input = shift or return;
 
        state $ALIAS = {
-               default    => [qw( unicode+0-639 utf-8 iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )],
-               uc         => [qw( U++ unicode+0-4095 unicode+4096-6319  unicode+6320-8191 )],
+               default    => [qw( unicode+0-639 utf-8+realsize iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )],
+               uc         => [qw( U+cols=32 unicode+0-4095 unicode+4096-6319  unicode+6320-8191 )],
                us         => [qw( cp437 cp863 gsm0338 AdobeStandardEncoding )],
                ebcdic     => [qw( cp37 cp500 cp1047 posix-bc cp1026 cp875 )],
                iso        => [map {"iso-8859-$_"} 1 .. 11, 13 .. 16],
@@ -183,9 +184,9 @@ sub tabinput {
                        'MacRumanian' => ['MacRomanian' => '160-191+208-223', 'MacRoman' => '160-191+208-223'],
                        'MacCroatian' => ['MacRoman' => '160'],
                        'MacCentralEurRoman' => ['MacRoman' => '128'],
-                       'MacIcelandic'=> ['MacRoman' => '160-175+208-239'], #TODO: gaps at C/E
+                       'MacIcelandic'=> ['MacRoman' => '160-175+208-239'],
                        'MacTurkish'  => ['MacRoman' => '208-223'], # F5 is unassigned
-                       'MacSami'     => ['MacIcelandic' => '144', 'MacRoman' => '144'],
+                       'MacSami'     => ['MacIcelandic' => '144-191+208-223+240', 'MacRoman' => '144'],
                        'MacGreek'    => ['MacRoman' => '128'],
                        'MacCyrillic' => ['MacRoman' => '128'],
                        'MacHebrew'   => ['iso-8859-8' => '128', 'MacRoman' => '128-143+160'], # partial ascii
@@ -195,7 +196,7 @@ sub tabinput {
                        'cp37'        => ['posix-bc' => '0'],
                        'posix-bc'    => ['cp1047' => '64'],
                        'cp500'       => ['cp37' => '64-95+176-191'],
-                       'cp1047'      => ['cp37' => '16-95+160-191'], #TODO: gap at 3/4
+                       'cp1047'      => ['cp37' => '16-47+80-95+160-191'],
                        'cp1026'      => ['cp37' => '64'],
                        'cp875'       => ['cp37' => '48'],
 
@@ -221,28 +222,28 @@ sub tabinput {
                $visible->{$_} //= 0 for $row{parent} || ();
        }
 
-       if (length $params) {
-               # manual option to double table width
-               $row{cols} *= 2 if $params =~ s/[+]\z//;
-       }
-
-       if (length $params) {
-               $params =~ m{
-                       \A (?<offset> \d+)
-                       (?: (?: [-] (?<stop> \d+) )? (?: [+] (?<restart> \d+) ) )?
-                       (?: [-] (?<endpoint> \d+) )? \z
-               }x or Alert([
-                       "Unknown range parameters for $input",
-                       "<q>$params</q> is not in format start(-stop)(+restart(-end))",
-               ]);
-
-               $row{offset} = $+{offset};
-               $row{endpoint} = $+{endpoint} if $+{endpoint};
-               if (my $restart = $+{restart}) {
-                       my $skip = int(($+{stop} || $row{offset}) / $row{cols});
-                       for ($skip + 1 .. ($restart / $row{cols}) - 1) {
-                               $row{skip}->{ $_ * $row{cols} - $row{offset} }++;
+       for my $param (split /[+]+/, $params // '') {
+               if ($param eq 'realsize') {
+                       $row{realsize}++;
+               }
+               elsif ($param =~ m{ \A cols = (\d+) \z }x) {
+                       $row{cols} = $1;
+               }
+               elsif ($param =~ m{ \A (?<offset> \d+) (?: [-] (?<endpoint> \d+) )? \z }x) {
+                       if (defined $row{endpoint}) {
+                               # extend earlier range
+                               my $skip = int(($row{endpoint} || $row{offset}) / $row{cols});
+                               for ($skip + 1 .. ($+{offset} / $row{cols}) - 1) {
+                                       $row{skip}->{ $_ * $row{cols} - $row{offset} }++;
+                               }
+                       }
+                       else {
+                               $row{offset} = $+{offset};
                        }
+                       $row{endpoint} = $+{endpoint} || 0;
+               }
+               else {
+                       Alert("Unknown option <q>$param</q> for charset $input");
                }
        }
 
@@ -297,14 +298,21 @@ sub tabinput {
                        }
                        $row{endpoint} -= $row{offset};
 
-                       if ($row{set} eq 'cp437' and !$row{offset}) {
-                               substr($row{table}, 237, 1) = pack 'U*', 0x3D5; # phi sign
-                               substr($row{table}, 0, 32) = pack 'U*', map {hex} qw(
-                                       2007 263A 263B 2665 2666 2663 2660 2022
-                                       25D8 25CB 25D9 2642 2640 266A 266B 263C
-                                       25BA 25C4 2195 203C 00B6 00A7 25AC 21A8
-                                       2191 2193 2192 2190 221F 2194 25B2 25BC
-                               );
+                       if ($row{set} eq 'cp437') {
+                               for my $phipos (237 - $row{offset}) {
+                                       next if $phipos < 0 or $phipos > $row{endpoint};
+                                       # replace phi glyph
+                                       substr($row{table}, $phipos, 1) = pack 'U*', 0x3D5;
+                               }
+                               if ($row{offset} == 0) {
+                                       # replace control characters by visible variants
+                                       substr($row{table}, 0, 32) = pack 'U*', map {hex} qw(
+                                               2007 263A 263B 2665 2666 2663 2660 2022
+                                               25D8 25CB 25D9 2642 2640 266A 266B 263C
+                                               25BA 25C4 2195 203C 00B6 00A7 25AC 21A8
+                                               2191 2193 2192 2190 221F 2194 25B2 25BC
+                                       );
+                               }
                        }
 
                        $visible->{ascii} =  # assume common base
@@ -364,13 +372,15 @@ sub range_cell {
                        $class .= ' joind';
                }
 
-               # coalesce multiple rows
-               while ($rows > 3) {
-                       $info->{skip}->{$offset += $rowsize}++;
-                       $rows--;
-               }
-               if ($rows > 2) {
-                       $info->{skip}->{$offset += $rowsize} = 0;
+               unless ($info->{realsize}) {
+                       # coalesce multiple rows
+                       while ($rows > 3) {
+                               $info->{skip}->{$offset += $rowsize}++;
+                               $rows--;
+                       }
+                       if ($rows > 2) {
+                               $info->{skip}->{$offset += $rowsize} = 0;
+                       }
                }
 
                $attr .= sprintf ' rowspan=%d', $rows;