| Current Path : /usr/share/bash-completion/helpers/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //usr/share/bash-completion/helpers/perl |
# -*- perl -*-
use strict;
use Config;
use File::Spec::Functions;
my %seen;
sub print_modules_real {
my ($base, $dir, $word) = @_;
# return immediately if potential completion doesn't match current word
# a double comparison is used to avoid dealing with string lengths
# (the shorter being the pattern to be used as the regexp)
# word 'Fi', base 'File' -> match 'File' against 'Fi'
# word 'File::Sp', base 'File' -> match 'File::Sp' against 'File'
return if
$base &&
$word &&
$base !~ /^\Q$word/ &&
$word !~ /^\Q$base/;
chdir($dir) or return;
# print each file
foreach my $file (glob('*.pm')) {
$file =~ s/\.pm$//;
my $module = $base . $file;
next if $module !~ /^\Q$word/;
next if $seen{$module}++;
print $module . "\n";
}
# recurse in each subdirectory
foreach my $directory (grep { -d } glob('*')) {
my $subdir = $dir . '/' . $directory;
if ($directory =~ /^(?:[.\d]+|$Config{archname}|auto)$/) {
# exclude subdirectory name from base
print_modules_real(undef, $subdir, $word);
} else {
# add subdirectory name to base
print_modules_real($base . $directory . '::', $subdir, $word);
}
}
}
sub print_modules {
my ($word) = @_;
foreach my $directory (@INC) {
print_modules_real(undef, $directory, $word);
}
}
sub print_functions {
my ($word) = @_;
my $perlfunc;
for ( @INC, undef ) {
return if not defined;
$perlfunc = catfile $_, qw( pod perlfunc.pod );
last if -r $perlfunc;
}
open my $fh, '<', $perlfunc or return;
my $nest_level = -1;
while ( <$fh> ) {
next if 1 .. /^=head2 Alphabetical Listing of Perl Functions$/;
++$nest_level if /^=over/;
--$nest_level if /^=back/;
next if $nest_level;
next unless /^=item (-?\w+)/;
my $function = $1;
next if $function !~ /^\Q$word/;
next if $seen{$function}++;
print $function . "\n";
}
}
my $type = shift;
my $word = shift;
if ($type eq 'functions') {
print_functions($word);
} elsif ($type eq 'modules') {
print_modules($word);
}