:
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 = '1.2';
our $ascii = 0;
if (exists $get{ascii}) {
$ascii = $get{ascii} ne '0'; # manual override
} elsif (defined $ENV{HTTP_ACCEPT_CHARSET}) {
$ascii = 1;
for (split q{,}, $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 red terse);
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
);
use Shiar_Sheet::Keyboard;
my $keys = Shiar_Sheet::Keyboard->new({do 'vim.inc.pl'});
$keys->map($get{map}) or undef $get{map};
$keys->print_rows($get{static});
:>
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 ' : '' :><:= $keys->{map} :>