package Devel::REPL::Script; use Moose; use Devel::REPL; use File::HomeDir; use File::Spec; use vars qw($CURRENT_SCRIPT); use namespace::clean -except => [ qw(meta) ]; with 'MooseX::Getopt'; has 'rcfile' => ( is => 'ro', isa => 'Str', required => 1, default => sub { 'repl.rc' }, ); has 'profile' => ( is => 'ro', isa => 'Str', required => 1, default => sub { $ENV{DEVEL_REPL_PROFILE} || 'Default' }, ); has '_repl' => ( is => 'ro', isa => 'Devel::REPL', required => 1, default => sub { Devel::REPL->new() } ); sub BUILD { my ($self) = @_; $self->load_profile($self->profile); $self->load_rcfile($self->rcfile); } sub load_profile { my ($self, $profile) = @_; $profile = "Devel::REPL::Profile::${profile}" unless $profile =~ /::/; Class::MOP::load_class($profile); confess "Profile class ${profile} doesn't do 'Devel::REPL::Profile'" unless $profile->does('Devel::REPL::Profile'); $profile->new->apply_profile($self->_repl); } sub load_rcfile { my ($self, $rc_file) = @_; # plain name => ~/.re.pl/${rc_file} if ($rc_file !~ m!/!) { $rc_file = File::Spec->catfile(File::HomeDir->my_home, '.re.pl', $rc_file); } $self->apply_script($rc_file); } sub apply_script { my ($self, $script, $warn_on_unreadable) = @_; if (!-e $script) { warn "File '$script' does not exist" if $warn_on_unreadable; return; } elsif (!-r _) { warn "File '$script' is unreadable" if $warn_on_unreadable; return; } open RCFILE, '<', $script or die "Couldn't open ${script}: $!"; my $rc_data; { local $/; $rc_data = ; } close RCFILE; # Don't care if this fails $self->eval_script($rc_data); warn "Error executing script ${script}: $@\n" if $@; } sub eval_script { my ($self, $data) = @_; local $CURRENT_SCRIPT = $self; $self->_repl->eval($data); } sub run { my ($self) = @_; $self->_repl->run; } sub import { my ($class, @opts) = @_; return unless (@opts == 1 && $opts[0] eq 'run'); $class->new_with_options->run; } sub current { confess "->current should only be called as class method" if ref($_[0]); confess "No current instance (valid only during rc parse)" unless $CURRENT_SCRIPT; return $CURRENT_SCRIPT; } 1;