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|
use strict;
use warnings;
package Devel::REPL::Plugin::CompletionDriver::INC;
# ABSTRACT: Complete module names in use and require
our $VERSION = '1.003029';
use Devel::REPL::Plugin;
use Devel::REPL::Plugin::Completion; # die early if cannot load
use File::Next;
use File::Spec;
use namespace::autoclean;
sub BEFORE_PLUGIN {
my $self = shift;
$self->load_plugin('Completion');
}
around complete => sub {
my $orig = shift;
my ($self, $text, $document) = @_;
my $last = $self->last_ppi_element($document, 'PPI::Statement::Include');
return $orig->(@_)
unless $last->isa('PPI::Statement::Include');
my @elements = $last->children;
shift @elements; # use or require
# too late for us to care, they're completing on something like
# use List::Util qw(m
# OR they just have "use " and are tab completing. we'll spare them the flood
return $orig->(@_)
if @elements != 1;
my $package = shift @elements;
my $outsep = '::';
my $insep = "::";
my $keep_extension = 0;
my $prefix = '';
# require "Foo/Bar.pm" -- not supported yet, ->string doesn't work for
# partially completed elements
#if ($package->isa('PPI::Token::Quote'))
#{
# # we need to strip off the leading quote and stash it
# $package = $package->string;
# my $start = index($package->quote, $package);
# $prefix = substr($package->quote, 0, $start);
# # we're completing something like: require "Foo/Bar.pm"
# $outsep = $insep = '/';
# $keep_extension = 1;
#}
if ($package =~ /'/)
{
# the goofball is using the ancient ' package sep, we'll humor him
$outsep = "'";
$insep = "'|::";
}
my @directories = split $insep, $package;
# split drops trailing fields
push @directories, '' if $package =~ /(?:$insep)$/;
my $final = pop @directories;
my $final_re = qr/^\Q$final/;
my @found;
# most VCSes don't litter every single fucking directory with garbage. if you
# know of any other, just stick them in here. No one wants to complete
# Devel::REPL::Plugin::.svn
my %ignored =
(
'.' => 1,
'..' => 1,
'.svn' => 1,
);
# this will take a directory and add to @found all of the possible matches
my $add_recursively;
$add_recursively = sub {
my ($path, $iteration, @more) = @_;
opendir((my $dirhandle), $path) || return;
for (grep { !$ignored{$_} } readdir $dirhandle)
{
my $match = $_;
# if this is the first time around, we need respect whatever the user had
# at the very end when he pressed tab
next if $iteration == 0 && $match !~ $final_re;
my $fullmatch = File::Spec->rel2abs($match, $path);
if (-d $fullmatch)
{
$add_recursively->($fullmatch, $iteration + 1, @more, $match);
}
else
{
$match =~ s/\..*// unless $keep_extension;
push @found, join '', $prefix,
join $outsep, @directories, @more, $match;
}
}
};
# look through all of
INC: for (@INC)
{
my $path = $_;
# match all of the fragments they have, so "use Moose::Meta::At<tab>"
# will only begin looking in ../Moose/Meta/
for my $subdir (@directories)
{
$path = File::Spec->catdir($path, $subdir);
-d $path or next INC;
}
$add_recursively->($path, 0);
}
return $orig->(@_), @found;
};
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Devel::REPL::Plugin::CompletionDriver::INC - Complete module names in use and require
=head1 VERSION
version 1.003029
=head1 SUPPORT
Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=Devel-REPL>
(or L<bug-Devel-REPL@rt.cpan.org|mailto:bug-Devel-REPL@rt.cpan.org>).
There is also an irc channel available for users of this distribution, at
L<C<#devel> on C<irc.perl.org>|irc://irc.perl.org/#devel-repl>.
=head1 AUTHOR
Shawn M Moore, C<< <sartak at gmail dot com> >>
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2007 by Matt S Trout - mst (at) shadowcatsystems.co.uk (L<http://www.shadowcatsystems.co.uk/>).
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
