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Direktori : /usr/share/bash-completion/helpers/ |
Current File : //usr/share/bash-completion/helpers/perl |
# -*- perl -*- use strict; use Config; use Cwd; use File::Spec::Functions; my %seen; sub print_modules_real { my ($base, $dir, $word, $include_pod) = @_; # 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 $file (sort(glob('*.pm'), glob('*.pod'))) { next if ($file =~ /\.pod$/ and not $include_pod); $file =~ s/\.(?:pm|pod)$//; 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, $include_pod); } else { # add subdirectory name to base print_modules_real($base . $directory . '::', $subdir, $word, $include_pod); } } } sub print_modules { my ($word, $include_pod) = @_; my $origdir = getcwd; foreach my $directory (@INC) { print_modules_real(undef, $directory, $word, $include_pod); chdir $origdir; } } sub print_functions { my ($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($word); } elsif ($type eq 'perldocs') { print_modules($word, 1); }