package DBIx::Custom::Util;

use strict;

use warnings;

use base 'Exporter';

our @EXPORT_OK = qw/_array_to_hash _subname _deprecate/;

sub _array_to_hash {

  my $array = shift;

  return $array if ref $array eq 'HASH';

  return unless $array;

  my $hash = {};

  for (my $i = 0; $i < @$array; $i += 2) {

    my $key = $array->[$i];

    my $f = $array->[$i + 1];

    if (ref $key eq 'ARRAY') {

      for my $k (@$key) { $hash->{$k} = $f }

    }

    else { $hash->{$key} = $f }

  }

  return $hash;

}

sub _subname { '(' . (caller 1)[3] . ')' }

sub _deprecate {

  my ($deprecated_version, $message) = @_;

  my $suppress_version = $ENV{DBIX_CUSTOM_SUPPRESS_DEPRECATION} || 0;

  warn "$message (Version: $deprecated_version) (" . (caller 1)[3] . ")\n"

    if $suppress_version < $deprecated_version;

}

1;

=head1 NAME

DBIx::Custom::Util - Utility class