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1 | package Devel::REPL::Plugin::CompletionDriver::INC; |
2 | use Devel::REPL::Plugin; |
3 | use File::Next; |
4 | use File::Spec; |
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5 | use namespace::autoclean; |
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6 | |
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7 | sub BEFORE_PLUGIN { |
8 | my $self = shift; |
9 | $self->load_plugin('Completion'); |
10 | } |
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11 | |
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12 | around complete => sub { |
13 | my $orig = shift; |
14 | my ($self, $text, $document) = @_; |
15 | |
16 | my $last = $self->last_ppi_element($document, 'PPI::Statement::Include'); |
17 | |
18 | return $orig->(@_) |
19 | unless $last->isa('PPI::Statement::Include'); |
20 | |
21 | my @elements = $last->children; |
22 | shift @elements; # use or require |
23 | |
24 | # too late for us to care, they're completing on something like |
25 | # use List::Util qw(m |
26 | # OR they just have "use " and are tab completing. we'll spare them the flood |
27 | return $orig->(@_) |
28 | if @elements != 1; |
29 | |
30 | my $package = shift @elements; |
31 | my $outsep = '::'; |
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32 | my $insep = "::"; |
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33 | my $keep_extension = 0; |
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34 | my $prefix = ''; |
35 | |
36 | # require "Foo/Bar.pm" -- not supported yet, ->string doesn't work for |
37 | # partially completed elements |
38 | #if ($package->isa('PPI::Token::Quote')) |
39 | #{ |
40 | # # we need to strip off the leading quote and stash it |
41 | # $package = $package->string; |
42 | # my $start = index($package->quote, $package); |
43 | # $prefix = substr($package->quote, 0, $start); |
44 | |
45 | # # we're completing something like: require "Foo/Bar.pm" |
46 | # $outsep = $insep = '/'; |
47 | # $keep_extension = 1; |
48 | #} |
49 | if ($package =~ /'/) |
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50 | { |
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51 | # the goofball is using the ancient ' package sep, we'll humor him |
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52 | $outsep = "'"; |
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53 | $insep = "'|::"; |
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54 | } |
55 | |
56 | my @directories = split $insep, $package; |
57 | |
58 | # split drops trailing fields |
59 | push @directories, '' if $package =~ /(?:$insep)$/; |
60 | my $final = pop @directories; |
61 | my $final_re = qr/^\Q$final/; |
62 | |
63 | my @found; |
64 | |
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65 | # most VCSes don't litter every single fucking directory with garbage. if you |
66 | # know of any other, just stick them in here. noone wants to complete |
67 | # Devel::REPL::Plugin::.svn |
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68 | my %ignored = |
69 | ( |
70 | '.' => 1, |
71 | '..' => 1, |
72 | '.svn' => 1, |
73 | ); |
74 | |
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75 | # this will take a directory and add to @found all of the possible matches |
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76 | my $add_recursively; |
77 | $add_recursively = sub { |
78 | my ($path, $iteration, @more) = @_; |
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79 | opendir((my $dirhandle), $path) || return; |
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80 | for (grep { !$ignored{$_} } readdir $dirhandle) |
6c3218fe |
81 | { |
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82 | my $match = $_; |
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83 | |
84 | # if this is the first time around, we need respect whatever the user had |
85 | # at the very end when he pressed tab |
86 | next if $iteration == 0 && $match !~ $final_re; |
87 | |
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88 | my $fullmatch = File::Spec->rel2abs($match, $path); |
89 | if (-d $fullmatch) |
90 | { |
91 | $add_recursively->($fullmatch, $iteration + 1, @more, $match); |
92 | } |
93 | else |
94 | { |
95 | $match =~ s/\..*// unless $keep_extension; |
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96 | push @found, join '', $prefix, |
97 | join $outsep, @directories, @more, $match; |
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98 | } |
99 | } |
100 | }; |
101 | |
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102 | # look through all of |
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103 | INC: for (@INC) |
104 | { |
105 | my $path = $_; |
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106 | |
107 | # match all of the fragments they have, so "use Moose::Meta::At<tab>" |
108 | # will only begin looking in ../Moose/Meta/ |
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109 | for my $subdir (@directories) |
110 | { |
111 | $path = File::Spec->catdir($path, $subdir); |
112 | -d $path or next INC; |
113 | } |
114 | |
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115 | $add_recursively->($path, 0); |
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116 | } |
117 | |
118 | return $orig->(@_), @found; |
119 | }; |
120 | |
121 | 1; |
122 | |
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123 | __END__ |
124 | |
125 | =head1 NAME |
126 | |
127 | Devel::REPL::Plugin::CompletionDriver::INC - Complete module names in use and require |
128 | |
30b459d4 |
129 | =head1 AUTHOR |
130 | |
131 | Shawn M Moore, C<< <sartak at gmail dot com> >> |
132 | |
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133 | =cut |
134 | |