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f1f5a418 |
1 | package Devel::REPL::Plugin::CompletionDriver::INC; |
2 | use Devel::REPL::Plugin; |
3 | use File::Next; |
4 | use File::Spec; |
5 | use namespace::clean -except => [ 'meta' ]; |
6 | |
6631e15c |
7 | with qw( |
8 | Devel::REPL::Plugin::Completion |
9 | ); |
10 | |
f1f5a418 |
11 | around complete => sub { |
12 | my $orig = shift; |
13 | my ($self, $text, $document) = @_; |
14 | |
15 | my $last = $self->last_ppi_element($document, 'PPI::Statement::Include'); |
16 | |
17 | return $orig->(@_) |
18 | unless $last->isa('PPI::Statement::Include'); |
19 | |
20 | my @elements = $last->children; |
21 | shift @elements; # use or require |
22 | |
23 | # too late for us to care, they're completing on something like |
24 | # use List::Util qw(m |
25 | # OR they just have "use " and are tab completing. we'll spare them the flood |
26 | return $orig->(@_) |
27 | if @elements != 1; |
28 | |
29 | my $package = shift @elements; |
30 | my $outsep = '::'; |
c5cdacc2 |
31 | my $insep = "::"; |
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32 | my $keep_extension = 0; |
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33 | my $prefix = ''; |
34 | |
35 | # require "Foo/Bar.pm" -- not supported yet, ->string doesn't work for |
36 | # partially completed elements |
37 | #if ($package->isa('PPI::Token::Quote')) |
38 | #{ |
39 | # # we need to strip off the leading quote and stash it |
40 | # $package = $package->string; |
41 | # my $start = index($package->quote, $package); |
42 | # $prefix = substr($package->quote, 0, $start); |
43 | |
44 | # # we're completing something like: require "Foo/Bar.pm" |
45 | # $outsep = $insep = '/'; |
46 | # $keep_extension = 1; |
47 | #} |
48 | if ($package =~ /'/) |
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49 | { |
b0489a7c |
50 | # the goofball is using the ancient ' package sep, we'll humor him |
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51 | $outsep = "'"; |
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52 | $insep = "'|::"; |
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53 | } |
54 | |
55 | my @directories = split $insep, $package; |
56 | |
57 | # split drops trailing fields |
58 | push @directories, '' if $package =~ /(?:$insep)$/; |
59 | my $final = pop @directories; |
60 | my $final_re = qr/^\Q$final/; |
61 | |
62 | my @found; |
63 | |
16d29e42 |
64 | # most VCSes don't litter every single fucking directory with garbage. if you |
65 | # know of any other, just stick them in here. noone wants to complete |
66 | # Devel::REPL::Plugin::.svn |
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67 | my %ignored = |
68 | ( |
69 | '.' => 1, |
70 | '..' => 1, |
71 | '.svn' => 1, |
72 | ); |
73 | |
16d29e42 |
74 | # this will take a directory and add to @found all of the possible matches |
6c3218fe |
75 | my $add_recursively; |
76 | $add_recursively = sub { |
77 | my ($path, $iteration, @more) = @_; |
78 | opendir((my $dirhandle), $path); |
c5cdacc2 |
79 | for (grep { !$ignored{$_} } readdir $dirhandle) |
6c3218fe |
80 | { |
6c3218fe |
81 | my $match = $_; |
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82 | |
83 | # if this is the first time around, we need respect whatever the user had |
84 | # at the very end when he pressed tab |
85 | next if $iteration == 0 && $match !~ $final_re; |
86 | |
6c3218fe |
87 | my $fullmatch = File::Spec->rel2abs($match, $path); |
88 | if (-d $fullmatch) |
89 | { |
90 | $add_recursively->($fullmatch, $iteration + 1, @more, $match); |
91 | } |
92 | else |
93 | { |
94 | $match =~ s/\..*// unless $keep_extension; |
c5cdacc2 |
95 | push @found, join '', $prefix, |
96 | join $outsep, @directories, @more, $match; |
6c3218fe |
97 | } |
98 | } |
99 | }; |
100 | |
16d29e42 |
101 | # look through all of |
f1f5a418 |
102 | INC: for (@INC) |
103 | { |
104 | my $path = $_; |
16d29e42 |
105 | |
106 | # match all of the fragments they have, so "use Moose::Meta::At<tab>" |
107 | # will only begin looking in ../Moose/Meta/ |
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108 | for my $subdir (@directories) |
109 | { |
110 | $path = File::Spec->catdir($path, $subdir); |
111 | -d $path or next INC; |
112 | } |
113 | |
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114 | $add_recursively->($path, 0); |
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115 | } |
116 | |
117 | return $orig->(@_), @found; |
118 | }; |
119 | |
120 | 1; |
121 | |
cfd1094b |
122 | __END__ |
123 | |
124 | =head1 NAME |
125 | |
126 | Devel::REPL::Plugin::CompletionDriver::INC - Complete module names in use and require |
127 | |
30b459d4 |
128 | =head1 AUTHOR |
129 | |
130 | Shawn M Moore, C<< <sartak at gmail dot com> >> |
131 | |
cfd1094b |
132 | =cut |
133 | |