-
-<h1>vi/vim cheat sheet</h1>
-
-<h2>normal mode (default)</h2>
-
-<ul id="rows">
-
-<li class="row">
- <ul class="keys omni">
- <li class="mo" onclick="setmode()"><b>Esc</b> normal mode
- <!-- not as static anymore, but never bothered; just see ^[ -->
- </ul>
-</li>
-
-<:
-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}" : '<wbr>',
- # 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 $_;
-}
-
-my %keytrans = qw(
- ^@ NUL ^a SOH ^b STX ^c ETX ^d EOT ^e ENQ ^f ACK ^g BEL
- ^h BS ^i tab ^j LF ^k VT ^l FF ^m CR ^n SO ^o SI
- ^p DLE ^q DC1 ^r DC2 ^s DC3 ^t DC4 ^u NAK ^v SYN ^w ETB
- ^x CAN ^y EM ^z SUB ^[ ESC ^\ FS ^] GS ^^ RS ^_ US
- ^? DEL
-);
-
-sub print_key {
- my ($mode, $key, $keyinfo) = @_;
-
- $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';
-
-# $key = $keytrans{$key} if defined $keytrans{$key};
- my $keytxt = $mode . Entity($key) if $key ne '^0';
- $keytxt .= $sign{arg} while $flags =~ s/ ?\barg\b//; # argument
- $keytxt .= "<small>$sign{motion}</small>" if $flags =~ s/ ?\bargm\b//; # motion argument
- $keytxt =~ s{\^(?=.)}{<small>^</small>}; # element around ctrl-identifier
- my $onclick = $flags =~ s/ ?\bmode(\S*)// && defined $keys{$1} && sprintf(
- ' onclick="setmode(%s)"',
- $1 eq '' ? '' : sprintf(q{'mode%s'}, escapeclass($1))
- );
- $onclick .= sprintf(q{ onclick="document.location='%s'"}, $1)
- if $flags =~ s/ ?\blink(\S*)//;
- my $keyhint = defined($mnem) && qq{ title="$mnem"};
-
- print qq{\t\t<li class="$flags"$onclick><b$keyhint>$keytxt</b>};
- print ' ', $desc if defined $desc;
- print "\n";
-}
-
-our $map = defined $keyrows{$get{map}} ? $get{map} : 'qwerty';
-my $keyrows = $keyrows{$map};
-my @moderows = $get{static} ? split(/\s+/, $get{static}) : sort keys %keys;
-
-for (my $row = 0; $row <= $#$keyrows; $row++) {
- my $keyrow = $keyrows->[$row];
- my @caserows = 0 .. $#$keyrow;
-
- print qq{<li class="row row$row"><ul>\n};
- for my $modefull (@moderows) {
- my $mode = $modefull;
- my @showcase = $mode =~ s/(\d+)(?:-(\d+))?$//
- ? (map {3 - $_} split //, $row == 0 && $2 || $1) : @caserows;
- my $modekeys = $keys{$mode};
-
- for my $case (@showcase) {
- my $keycase = $keyrow->[$case] or next;
- @$keycase or next;
-
- printf "\t<li%s>", $mode ne '' && sprintf(
- ' class="%s"', ($get{static} ? '' : 'mode ') . 'mode' . escapeclass($mode)
- );
- printf("<h3>%s<small>: %s</small></h3>\n", # XXX insert here to fix msie<=6
- $modekeys->{desc} || "mode $mode",
- "$rowdesc[$row] row $casedesc[$case]"
- );
- my $caseclass = 'keys';
- $caseclass .= ' lead' if defined $modekeys->{lead}; # leading command key shown
- $caseclass .= " $casedesc[$case]" if defined $casedesc[$case];
- print qq{\t\t<ul class="$caseclass">\n};
- print_key($modekeys->{lead}, $_, $modekeys->{$_}) for @$keycase;
- print qq{\t\t</ul>\n};
- } # case
-
- } # mode
- print qq{\t</ul>\n};
-} # row
-
-:>
-</ul>
-
-<hr>
-
-<div class="help">
- <div class="left">
- <dl class="legend legend-types">
- <dt class="ci">info
- <dd>Info command: shows/does something without altering anything.
- <dt class="pm">motion
- <dd>Moves the cursor, or defines the range for an operator (<:= $sign{motion} :>).
- <dt class="po">positioning
- <dd>Other movement (jumps, window (re)positioning).
- <dt class="co">command
- <dd>Direct action command.
- <dt class="mi">ins mode
- <dd>Enters Insert or Replace mode.
- <dt class="mo">mode
- <dd>Enters a different mode.
- <dt class="mv">vis mode
- <dd>Enters Visual or Select mode.
- <dt class="me">key cmd
- <dd>Additional key commands (click for overview).
- </dl>
- </div>
-
- <div class="right">
- <dl class="legend legend-options">
- <dt>key<:= $sign{arg} :>
- <dd>Commands with a dot need a char argument afterwards.
- <dt>key<:= $sign{motion} :>
- <dd>Requires a motion afterwards, operates between cursor and destination.
- <dt class="vim">vim
- <dd>Not in original Vi (assessment incomplete).
- <dt class="vim7">vim7
- <dd>New in vim version 7.x.
- </dl>
-
- <ul class="legend legend-set">
- <li>keyboard <strong>map</strong> is
- <:= $get{map} ? 'set to ' : '' :><em><:= $map :></em>
- <li><strong>ascii</strong> mode is
- <:= exists $get{ascii} && 'forced ' :><em><:=
- $ascii ? 'on' : 'off' :></em>
- <li><strong>keys</strong> are
- <em><:= $showkeys ? 'always shown' : 'hidden if unassigned' :></em><:=
- !exists $get{keys} && ' by default' :>
- <li>default <strong>style</strong> is
- <:= defined $get{style} && 'set to ' :><em><:= $style :></em>
- </ul>
- </div>
-</div>
-
-<p class="footer">
- <a href="http://vi.shiar.net/">vi.<strong>shiar.net</strong></a>
- <a href="git://dev.shiar.net/vi-cheat"><:= "v$VERSION" :></a>
- created by Shiar <:= $sign{sep} :>
- <a title="Licensed under the GNU Affero General Public License, version 3"
- href="http://www.fsf.org/licensing/licenses/agpl-3.0.html">AGPLv3</a> <:= $sign{sep} :>
- last update <:
- use Time::Format qw(time_format);
- print time_format('yyyy-mm-dd', (stat 'vim-cmds.inc.pl')[9]);
- :>
-</p>
-