package Subtitle::BASE;

use strict;
use warnings;
use feature qw(switch);
use utf8;

sub log {
  my ($self, $level, $msg) = @_;

  given ($level) {
    when ("error") { push @{ $self->{log} }, "E: $msg"; }
    when ("warn")  { push @{ $self->{log} }, "W: $msg"; }
    when ("info")  { push @{ $self->{log} }, "I: $msg"; }
    when ("debug") { push @{ $self->{log} }, "D: $msg" if $self->{debug}; }
    default { warn "Unknown loglevel $level of $msg\n"; }
  }

  return 1;
}

sub chomp {
  my ($self, $line) = @_;
  return unless defined $line;
  return $line =~ s/[\r\n]+$//or;
}

sub trim {
  my ($self, $line) = @_;
  return unless defined $line;
  return $line =~ s/(^\s+|\s+$)//or;
}

1;