nmode's Git Repositories - Fey/blob - lib/App/Fey.pm

   1 package App::Fey;
   2
   3 use strict;
   4 use warnings;
   5 use Exporter 'import';
   6
   7 our @EXPORT_OK = qw(fey);
   8 our $version = '0.01';
   9
  10 sub new {
  11     my ($class, $options) = @_;
  12     my $config = do ($ENV{XDG_CONFIG_HOME} // "$ENV{HOME}/.config") . '/fey/config.pl';
  13
  14     my $self = {
  15         mime_query => $options->{mime_query} // $config->{mime_query} // sub {
  16             open my $mime_type, '-|', 'file', '--brief', '--mime-type', $_[0];
  17             <$mime_type>;
  18         },
  19         contexts => $options->{contexts} // $config->{contexts} // { default => sub { 1 } },
  20         targets => $options->{targets} // $config->{targets} // {}
  21     };
  22
  23     bless $self, $class;
  24 }
  25
  26 sub launch {
  27     my $self = shift;
  28     my $options = ref $_[0] ? shift : {};
  29
  30     die "No files or URIs specified.\n" unless @_;
  31
  32     if ($options->{single}) {
  33         $self->_launch_single($options, @_);
  34     } else {
  35         $self->_launch($options, @_);
  36     }
  37 }
  38
  39 sub _launch {
  40     my $self = shift;
  41     my $options = shift;
  42
  43     if ($options->{fork}) {
  44         for my $file_or_uri (@_) {
  45             my $pid = fork;
  46             next if $pid;
  47
  48             my $handler = $self->_get_handler($file_or_uri);
  49             $handler->($file_or_uri) if $handler;
  50             return;
  51         }
  52     } else {
  53         for my $file_or_uri (@_) {
  54             my $handler = $self->_get_handler($file_or_uri);
  55             $handler->($file_or_uri) if $handler;
  56         }
  57     }
  58 }
  59
  60 sub _launch_single {
  61     my $self = shift;
  62     my $options = shift;
  63
  64     if ($options->{fork}) {
  65         my $pid = fork;
  66         return if $pid;
  67     }
  68
  69     my $handler = $self->_get_handler($_[0]);
  70     $handler->(@_) if $handler;
  71 }
  72
  73 sub _get_handler {
  74     my $self = shift;
  75
  76     my $file_or_uri = $_[0] =~ m|^file://(.+)| ? $1 : $_[0];
  77     my $mime_or_uri = -e $file_or_uri ? $self->{mime_query}->($file_or_uri) : $file_or_uri;
  78
  79     for my $target (@{ $self->{targets} }) {
  80         for my $pattern (@{ $target->{patterns} }) {
  81             if ($mime_or_uri =~ /$pattern/) {
  82                 my $associations = $target->{associations};
  83                 for my $context (keys %{ $associations }) {
  84                     if ($self->{contexts}->{$context}->()) {
  85                         return $associations->{$context};
  86                     }
  87                 }
  88             }
  89         }
  90     }
  91 }
  92
  93 sub fey {
  94     App::Fey->new(ref $_[0] ? $_[0] : {})->launch(@_);
  95 }