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package Dancer2::ConfigReader::File::Extended;
use Moo;
use Dancer2::Core::Types;
use Carp 'croak';
extends 'Dancer2::ConfigReader::Config::Any';
has name => (
is => 'ro',
isa => Str,
lazy => 0,
default => sub {'File::Extended'},
);
around read_config => sub {
my ($orig, $self) = @_;
my $config = $orig->($self, @_);
$self->_replace_env_vars($config);
return $config;
};
# Attn. We are traversing along the original data structure all the time,
# using references, and changing values on the spot, not returning anything.
sub _replace_env_vars {
my ( $self, $entry ) = @_;
if( ref $entry ne 'HASH' && ref $entry ne 'ARRAY' ) {
croak 'Param entry is not HASH or ARRAY';
}
if( ref $entry eq 'HASH' ) {
foreach my $value (values %{ $entry }) {
if( (ref $value) =~ m/(HASH|ARRAY)/msx ) {
$self->_replace_env_vars( $value );
} elsif( (ref $value) =~ m/(CODE|REF|GLOB)/msx ) {
# Pretty much anything else except SCALAR. Do nothing
1;
} else {
if( $value ) {
while( my ($k, $v) = each %ENV) {
$value =~ s/ \$ [{] ENV:$k [}] /$v/gmsx;
}
}
}
}
} else {
# ref $entry is 'ARRAY'
foreach my $value (@{ $entry }) {
if( (ref $value) =~ m/(HASH|ARRAY)/msx ) {
$self->_replace_env_vars( $value );
} elsif( (ref $value) =~ m/(CODE|REF|GLOB)/msx ) {
# Pretty much anything else except SCALAR. Do nothing
1;
} else {
if( $value ) {
while( my ($k, $v) = each %ENV) {
$value =~ s/ \$ [{] ENV:$k [}] /$v/gmsx;
}
}
}
}
}
return;
}
1;
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