/usr/share/perl5/Config/JFDI/Source/Loader.pm is in libconfig-jfdi-perl 0.065-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 | package Config::JFDI::Source::Loader;
use Any::Moose;
use Config::Any;
use Carp;
use List::MoreUtils qw/ any /;
has name => qw/ is ro required 0 isa Str|ScalarRef /;
has path => qw/ is ro default . /;
has driver => qw/ is ro lazy_build 1 /;
sub _build_driver {
return {};
}
has local_suffix => qw/ is ro required 1 lazy 1 default local /;
has no_env => qw/ is ro required 1 /, default => 0;
has no_local => qw/ is ro required 1 /, default => 0;
has env_lookup => qw/ is ro /, default => sub { [] };
has path_is_file => qw/ is ro default 0 /;
has _found => qw/ is rw isa ArrayRef /;
sub _env (@) {
my $key = uc join "_", @_;
$key =~ s/::/_/g;
$key =~ s/\W/_/g;
return $ENV{$key};
}
sub BUILD {
my $self = shift;
my $given = shift;
if (defined( my $name = $self->name )) {
if (ref $name eq "SCALAR") {
$name = $$name;
}
else {
$name =~ s/::/_/g;
$name = lc $name;
}
$self->{name} = $name;
}
if (defined $self->env_lookup) {
$self->{env_lookup} = [ $self->env_lookup ] unless ref $self->env_lookup eq "ARRAY";
}
}
sub read {
my $self = shift;
my @files = $self->_find_files;
my $cfg_files = $self->_load_files(\@files);
my %cfg_files = map { (%$_)[0] => $_ } reverse @$cfg_files;
$self->_found( [ map { (%$_)[0] } @$cfg_files ] );
my (@cfg, @local_cfg);
{
# Anything that is local takes precedence
my $local_suffix = $self->_get_local_suffix;
for (sort keys %cfg_files) {
my $cfg = $cfg_files{$_};
if (m{$local_suffix\.}ms) {
push @local_cfg, $cfg;
}
else {
push @cfg, $cfg;
}
}
}
return $self->no_local ? @cfg : (@cfg, @local_cfg);
}
sub found {
my $self = shift;
die if @_;
return @{ $self->_found };
}
around found => sub {
my $inner = shift;
my $self = shift;
$self->read unless $self->{_found};
return $inner->( $self, @_ );
};
sub _load_files {
my $self = shift;
my $files = shift;
return Config::Any->load_files({
files => $files,
use_ext => 1,
driver_args => $self->driver,
});
}
sub _find_files { # Doesn't really find files...hurm...
my $self = shift;
if ($self->path_is_file) {
my $path;
$path = $self->_env_lookup('CONFIG') unless $self->no_env;
$path ||= $self->path;
return ($path);
}
else {
my ($path, $extension) = $self->_get_path;
my $local_suffix = $self->_get_local_suffix;
my @extensions = $self->_get_extensions;
my $no_local = $self->no_local;
my @files;
if ($extension) {
croak "Can't handle file extension $extension" unless any { $_ eq $extension } @extensions;
push @files, $path;
unless ($no_local) {
(my $local_path = $path) =~ s{\.$extension$}{_$local_suffix.$extension};
push @files, $local_path;
}
}
else {
push @files, map { "$path.$_" } @extensions;
push @files, map { "${path}_${local_suffix}.$_" } @extensions unless $no_local;
}
return @files;
}
}
sub _env_lookup {
my $self = shift;
my @suffix = @_;
my $name = $self->name;
my $env_lookup = $self->env_lookup;
my @lookup;
push @lookup, $name if $name;
push @lookup, @$env_lookup;
for my $prefix (@lookup) {
my $value = _env($prefix, @suffix);
return $value if defined $value;
}
return;
}
sub _get_local_suffix {
my $self = shift;
my $name = $self->name;
my $suffix;
$suffix = $self->_env_lookup('CONFIG_LOCAL_SUFFIX') unless $self->no_env;
# $suffix = _env($self->name, 'CONFIG_LOCAL_SUFFIX') if $name && ! $self->no_env;
$suffix ||= $self->local_suffix;
return $suffix;
}
sub _get_extensions {
return @{ Config::Any->extensions }
}
sub file_extension ($) {
my $path = shift;
return if -d $path;
my ($extension) = $path =~ m{\.([^/\.]{1,4})$};
return $extension;
}
sub _get_path {
my $self = shift;
my $name = $self->name;
my $path;
# $path = _env($name, 'CONFIG') if $name && ! $self->no_env;
$path = $self->_env_lookup('CONFIG') unless $self->no_env;
$path ||= $self->path;
my $extension = file_extension $path;
if (-d $path) {
$path =~ s{[\/\\]$}{}; # Remove any trailing slash, e.g. apple/ or apple\ => apple
$path .= "/$name"; # Look for a file in path with $self->name, e.g. apple => apple/name
}
return ($path, $extension);
}
1;
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