Commit | Line | Data |
9d03fe04 |
1 | # First cut at using the readline history directly rather than reimplementing |
2 | # it. It does save history but it's a little crappy; still playing with it ;) |
e4761e81 |
3 | # |
9d03fe04 |
4 | # epitaph, 22nd April 2007 |
5 | |
6 | package Devel::REPL::Plugin::ReadLineHistory; |
7 | |
6a5409bc |
8 | use Devel::REPL::Plugin; |
ef59b3d9 |
9 | use File::HomeDir; |
10 | use File::Spec; |
11 | |
12 | my $hist_file = $ENV{PERLREPL_HISTFILE} || |
13 | File::Spec->catfile(File::HomeDir->my_home, '.perlreplhist'); |
9d03fe04 |
14 | |
9d03fe04 |
15 | # HISTLEN should probably be in a config file to stop people accidentally |
16 | # truncating their history if they start the program and forget to set |
17 | # PERLREPL_HISTLEN |
18 | my $hist_len=$ENV{PERLREPL_HISTLEN} || 100; |
19 | |
20 | around 'run' => sub { |
21 | my $orig=shift; |
22 | my ($self, @args)=@_; |
4906ca4e |
23 | if ($self->term->ReadLine eq 'Term::ReadLine::Gnu') { |
7907c13e |
24 | $self->term->stifle_history($hist_len); |
25 | } |
4906ca4e |
26 | if ($self->term->ReadLine eq 'Term::ReadLine::Perl') { |
7907c13e |
27 | $self->term->Attribs->{MaxHistorySize} = $hist_len; |
28 | } |
9d03fe04 |
29 | -f($hist_file) && $self->term->ReadHistory($hist_file); |
30 | $self->term->Attribs->{do_expand}=1; |
31 | $self->$orig(@args); |
32 | $self->term->WriteHistory($hist_file) || |
33 | $self->print("warning: failed to write history file $hist_file"); |
34 | }; |
35 | |
36 | 1; |
37 | |
cfd1094b |
38 | __END__ |
39 | |
40 | =head1 NAME |
41 | |
42 | Devel::REPL::Plugin::ReadLineHistory - Integrate history with the facilities provided by L<Term::ReadLine> |
43 | |
44 | =cut |
45 | |