1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
# Arch Perl library, Copyright (C) 2004 Mikhael Goikhman
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
use 5.005;
use strict;
package AXP::Command::self::completion;
use base 'AXP::Command::self';
sub shell_name {
my $self = shift;
return ref($self) eq __PACKAGE__? "several shells": $self->{name};
}
sub infoline {
my $shell = shift()->shell_name;
return "dump completion lines for $shell";
}
sub options {
my $self = shift;
return () if ref($self) eq __PACKAGE__;
(
compact => { sh => 'c', desc => "eliminate comments and empty lines" },
output => { sh => 'o', type => "=s", arg => 'FILE', desc => "write to FILE rather than stdout" },
)
}
sub helptext {
my $shell = shift()->shell_name;
qq{
Some shells allow the command completion feature that is very
useful in a day to day work. This script uses a declarative
command hierarchy and has an ability to dump the information
to complete its own subcommands and options.
Use this command to generate completion info for $shell.
}
}
use Arch::Util qw(save_file);
sub write ($$) {
my $self = shift;
my $output = shift;
my %opt = %{$self->{options}};
my $file = $opt{output} || "-";
if ($opt{compact}) {
$output =~ s/\s*\\\n\s*\n/\n/g;
$output =~ s/(^|\n)[ \t]*(?:#[^\n]*)?\n+/$1/g;
} else {
my $cmd = $self->{prefix};
my $shell = $self->shell_name;
my $script_version = $self->script_version;
my $comment = "# $shell completions for $script_version, "
. "generated by '$cmd'";
$output =~ s/^((?:#.*\n)*)/$1$comment\n/;
}
save_file($file, $output);
}
1;
|
