:
use utf8;
use strict;
use warnings;
no warnings "qw"; # you know what you doing
no warnings "uninitialized"; # save some useless checks for more legible code
our $VERSION = "1.0";
our $ascii = 0;
if (exists $get{ascii}) {
$ascii = $get{ascii} ne "0"; # manual override
} elsif (defined $ENV{HTTP_ACCEPT_CHARSET}) {
$ascii = 1;
for (split ",", $ENV{HTTP_ACCEPT_CHARSET}) {
$ascii = 0, last if $_ eq "*" or m/utf-?8/i;
}
}
my $charset = $ascii ? "us-ascii" : "utf-8";
my $ctype = "text/html; charset=$charset";
$header{content_type} = $ctype;
:>
vi cheat sheet
<:
my %styles = map {$_ => $_} qw(dark circus mono);
our $style = exists $get{style} && $styles{$get{style}} || "light";
printf(qq{\n},
$_ eq $style ? "stylesheet" : "alternate stylesheet", "$_.css", $_
) for keys %styles;
our $showkeys = exists $get{keys} && $get{keys} ne "0";
print "\n" unless $showkeys;
print "\n"
if $showkeys and $get{keys} eq "ghost";
:>
vi/vim cheat sheet
normal mode (default)
Esc normal mode
<:
our %sign = (
arg => $ascii ? "." : "·", # described as 'dot'
motion => $ascii ? "|" : "↕",
alias => $ascii ? "see: " : "»",
up => $ascii ? "up" : "▲",
right => $ascii ? "right" : "▶",
down => $ascii ? "down" : "▼",
left => $ascii ? "left" : "◀",
sep => $ascii ? "*" : "•",
_ => exists $get{ascii} && !$ascii ? "\x{200b}" : "",
# use the correct ZWNJ only when unicode is forced on
# default to use unofficial html for best support
);
my %keys = do "vim-cmds.inc.pl";
my @casedesc = qw(ctrl shift);
my @rowdesc = qw(numeric top home bottom);
my %keyrows = do "vim-keys.inc.pl";
sub keyunalias {
my ($key, %tree) = @_;
$key =~ s/(\S*?)(\^?\S)($|\s.*)/$2/;
my $mode = $1;
return [] unless defined $keys{$mode}{$key};
return $keys{$mode}{$key} if ref $keys{$mode}{$key};
return if $tree{$key}++; # endless loop failsafe
return keyunalias($keys{$mode}{$key}, %tree);
}
sub escapeclass {
local $_ = shift;
s/\^/_c/g;
s/\[/_sbo/g;
s/\]/_sbc/g;
s/^$/_/;
return $_;
}
our $map = defined $keyrows{$get{map}} ? $get{map} : "qwerty";
my $keyrows = $keyrows{$map};
for (my $row = 0; $row <= $#$keyrows; $row++) {
my $keyrow = $keyrows->[$row];
print qq{
\n};
while (my ($mode, $modekeys) = each %keys) {
for (my $case = 0; $case <= $#$keyrow; $case++) {
my $keycase = $keyrow->[$case];
@$keycase or next;
printf(qq{\t
%s
\n}, # XXX insert here to fix msie<=6
$mode eq '' ? '' : sprintf(
' class="%s"', "mode mode" . escapeclass($mode)
),
sprintf('%s: %s',
$modekeys->{desc} || "mode $mode",
"$rowdesc[$row] row $casedesc[$case]"
)
);
my $modeclass = "keys";
$modeclass .= " lead" if defined $modekeys->{lead}; # leading command key shown
$modeclass .= " $casedesc[$case]" if defined $casedesc[$case];
print qq{\t\t
\n};
for my $key (@$keycase) {
my $keyinfo = $modekeys->{$key};
$keyinfo = [ $sign{alias}.$keyinfo, keyunalias($keyinfo)->[1] . " alias" ]
if defined $keyinfo and not ref $keyinfo; # alias
my ($desc, $flags, $mnem) = @$keyinfo if defined $keyinfo;
defined $desc or $flags = $key eq '^0' ? "ni" : "no";
my $keytxt = $modekeys->{lead} . Entity($key) if $key ne '^0';
$keytxt .= $sign{arg} while $flags =~ s/ ?\barg\b//; # argument
$keytxt .= "$sign{motion}" if $flags =~ s/ ?\bargm\b//; # motion argument
$keytxt =~ s{\^(?=.)}{^}; # element around ctrl-identifier
my $onclick = $flags =~ s/ ?\bmode(\S*)// && defined $keys{$1} && sprintf(
' onclick="setmode(%s)"',
$1 eq '' ? '' : sprintf("'mode%s'", escapeclass($1))
);
my $keyhint = defined($mnem) && qq{ title="$mnem"};
print qq{\t\t
$keytxt};
print ' ', $desc if defined $desc;
print "\n";
} # key
print qq{\t\t
\n};
} # case
} # mode
print qq{\t
\n};
} # row
:>
info
Info command: shows/does something without altering anything.
motion
Moves the cursor, or defines the range for an operator (<:= $sign{motion} :>).
positioning
Other movement (jumps, window (re)positioning).
command
Direct action command.
ins mode
Enters Insert or Replace mode.
mode
Enters a different mode.
vis mode
Enters Visual or Select mode.
key cmd
Additional key commands (click for overview).
key<:= $sign{arg} :>
Commands with a dot need a char argument afterwards.
key<:= $sign{motion} :>
Requires a motion afterwards, operates between cursor and destination.
vim
Not in original Vi (assessment incomplete).
vim7
New in vim version 7.x.
keyboard map is
<:= $get{map} ? "set to " : "" :><:= $map :>
keys are
<:= $showkeys ? "always shown" : "hidden if unassigned" :><:=
exists $get{keys} ? "" : " by default" :>
default style is
<:= defined $get{style} ? "set to " : "" :><:= $style :>
shiar.demon.nl/vim-cheat<:= "v$VERSION" :>
created by Shiar <:= $sign{sep} :> last update <:
use Time::Format qw(time_format);
print time_format("yyyy-mm-dd", (stat "vim-cmds.inc.pl")[9]);
:>