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1 | use strict; |
2 | use warnings; |
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3 | package Devel::REPL::Plugin::CompletionDriver::INC; |
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4 | |
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5 | use Devel::REPL::Plugin; |
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6 | use Devel::REPL::Plugin::Completion; # die early if cannot load |
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7 | use File::Next; |
8 | use File::Spec; |
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9 | use namespace::autoclean; |
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10 | |
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11 | sub BEFORE_PLUGIN { |
12 | my $self = shift; |
13 | $self->load_plugin('Completion'); |
14 | } |
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15 | |
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16 | around complete => sub { |
17 | my $orig = shift; |
18 | my ($self, $text, $document) = @_; |
19 | |
20 | my $last = $self->last_ppi_element($document, 'PPI::Statement::Include'); |
21 | |
22 | return $orig->(@_) |
23 | unless $last->isa('PPI::Statement::Include'); |
24 | |
25 | my @elements = $last->children; |
26 | shift @elements; # use or require |
27 | |
28 | # too late for us to care, they're completing on something like |
29 | # use List::Util qw(m |
30 | # OR they just have "use " and are tab completing. we'll spare them the flood |
31 | return $orig->(@_) |
32 | if @elements != 1; |
33 | |
34 | my $package = shift @elements; |
35 | my $outsep = '::'; |
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36 | my $insep = "::"; |
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37 | my $keep_extension = 0; |
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38 | my $prefix = ''; |
39 | |
40 | # require "Foo/Bar.pm" -- not supported yet, ->string doesn't work for |
41 | # partially completed elements |
42 | #if ($package->isa('PPI::Token::Quote')) |
43 | #{ |
44 | # # we need to strip off the leading quote and stash it |
45 | # $package = $package->string; |
46 | # my $start = index($package->quote, $package); |
47 | # $prefix = substr($package->quote, 0, $start); |
48 | |
49 | # # we're completing something like: require "Foo/Bar.pm" |
50 | # $outsep = $insep = '/'; |
51 | # $keep_extension = 1; |
52 | #} |
53 | if ($package =~ /'/) |
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54 | { |
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55 | # the goofball is using the ancient ' package sep, we'll humor him |
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56 | $outsep = "'"; |
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57 | $insep = "'|::"; |
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58 | } |
59 | |
60 | my @directories = split $insep, $package; |
61 | |
62 | # split drops trailing fields |
63 | push @directories, '' if $package =~ /(?:$insep)$/; |
64 | my $final = pop @directories; |
65 | my $final_re = qr/^\Q$final/; |
66 | |
67 | my @found; |
68 | |
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69 | # most VCSes don't litter every single fucking directory with garbage. if you |
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70 | # know of any other, just stick them in here. No one wants to complete |
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71 | # Devel::REPL::Plugin::.svn |
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72 | my %ignored = |
73 | ( |
74 | '.' => 1, |
75 | '..' => 1, |
76 | '.svn' => 1, |
77 | ); |
78 | |
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79 | # this will take a directory and add to @found all of the possible matches |
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80 | my $add_recursively; |
81 | $add_recursively = sub { |
82 | my ($path, $iteration, @more) = @_; |
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83 | opendir((my $dirhandle), $path) || return; |
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84 | for (grep { !$ignored{$_} } readdir $dirhandle) |
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85 | { |
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86 | my $match = $_; |
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87 | |
88 | # if this is the first time around, we need respect whatever the user had |
89 | # at the very end when he pressed tab |
90 | next if $iteration == 0 && $match !~ $final_re; |
91 | |
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92 | my $fullmatch = File::Spec->rel2abs($match, $path); |
93 | if (-d $fullmatch) |
94 | { |
95 | $add_recursively->($fullmatch, $iteration + 1, @more, $match); |
96 | } |
97 | else |
98 | { |
99 | $match =~ s/\..*// unless $keep_extension; |
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100 | push @found, join '', $prefix, |
101 | join $outsep, @directories, @more, $match; |
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102 | } |
103 | } |
104 | }; |
105 | |
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106 | # look through all of |
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107 | INC: for (@INC) |
108 | { |
109 | my $path = $_; |
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110 | |
111 | # match all of the fragments they have, so "use Moose::Meta::At<tab>" |
112 | # will only begin looking in ../Moose/Meta/ |
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113 | for my $subdir (@directories) |
114 | { |
115 | $path = File::Spec->catdir($path, $subdir); |
116 | -d $path or next INC; |
117 | } |
118 | |
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119 | $add_recursively->($path, 0); |
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120 | } |
121 | |
122 | return $orig->(@_), @found; |
123 | }; |
124 | |
125 | 1; |
126 | |
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127 | __END__ |
128 | |
129 | =head1 NAME |
130 | |
131 | Devel::REPL::Plugin::CompletionDriver::INC - Complete module names in use and require |
132 | |
30b459d4 |
133 | =head1 AUTHOR |
134 | |
135 | Shawn M Moore, C<< <sartak at gmail dot com> >> |
136 | |
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137 | =cut |
138 | |