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use strict; |
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use warnings; |
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package Devel::REPL::Plugin::FancyPrompt; |
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# ABSTRACT: Facilitate user-defined prompts |
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our $VERSION = '1.003028'; |
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use Devel::REPL::Plugin; |
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use namespace::autoclean; |
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has 'fancy_prompt' => ( |
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is => 'rw', lazy => 1, |
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# yes, this needs to be a double sub |
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default => sub { |
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sub { |
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my $self = shift; |
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sprintf 're.pl(%s):%03d%s> ', |
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$self->can('current_package') ? $self->current_package : 'main', |
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$self->lines_read, |
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$self->can('line_depth') ? ':' . $self->line_depth : ''; |
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} |
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}, |
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); |
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has 'fancy_continuation_prompt' => ( |
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is => 'rw', lazy => 1, |
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# yes, this needs to be a double sub |
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default => sub { |
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sub { |
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my $self = shift; |
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sprintf 're.pl(%s):%03d:%d* ', |
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$self->can('current_package') ? $self->current_package : 'main', |
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$self->lines_read, |
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$self->line_depth, |
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} |
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}, |
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); |
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has 'lines_read' => ( |
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is => 'rw', lazy => 1, default => 0, |
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); |
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around 'prompt' => sub { |
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shift; |
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my $self = shift; |
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if ($self->can('line_depth') && $self->line_depth) { |
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return $self->fancy_continuation_prompt->($self); |
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} |
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else { |
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return $self->fancy_prompt->($self); |
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} |
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}; |
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before 'read' => sub { |
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my $self = shift; |
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$self->lines_read($self->lines_read + 1); |
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}; |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Devel::REPL::Plugin::FancyPrompt - Facilitate user-defined prompts |
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=head1 VERSION |
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version 1.003028 |
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=head1 SYNOPSIS |
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use Devel::REPL; |
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my $repl = Devel::REPL->new; |
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$repl->load_plugin('MultiLine::PPI'); # for indent depth |
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$repl->load_plugin('Packages'); # for current package |
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$repl->load_plugin('FancyPrompt'); |
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$repl->run; |
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=head1 DESCRIPTION |
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FancyPrompt helps you write your own prompts. The default fancy prompt resembles |
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C<irb>'s default prompt. The default C<fancy_prompt> looks like this: |
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92
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re.pl(main):001:0> 2 + 2 |
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95
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C<re.pl> is a constant. C<main> is the current package. The first number is how |
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many lines have been read so far. The second number (only if you have a |
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C<MultiLine> plugin) is how deep you are; intuitively, your indent level. This |
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default can be implemented with: |
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$_REPL->fancy_prompt(sub { |
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my $self = shift; |
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sprintf 're.pl(%s):%03d%s> ', |
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$self->can('current_package') ? $self->current_package : 'main', |
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$self->lines_read, |
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$self->can('line_depth') ? ':' . $self->line_depth : ''; |
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}); |
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C<current_package> is provided by L<Devel::REPL::Plugin::Packages> (which |
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tracks the current package). C<line_depth> is provided by a C<MultiLine> plugin |
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(probably C<MultiLine::PPI>). |
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You may also set a C<fancy_continuation_prompt>. The default is very similar to |
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C<fancy_prompt>'s default (except C<*> instead of C<< > >>). |
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=head1 SEE ALSO |
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C<Devel::REPL> |
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=head1 SUPPORT |
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Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=Devel-REPL> |
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(or L<bug-Devel-REPL@rt.cpan.org|mailto:bug-Devel-REPL@rt.cpan.org>). |
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There is also an irc channel available for users of this distribution, at |
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L<C<#devel> on C<irc.perl.org>|irc://irc.perl.org/#devel-repl>. |
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=head1 AUTHOR |
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Shawn M Moore, C<< <sartak at gmail dot com> >> |
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=head1 COPYRIGHT AND LICENSE |
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Copyright (C) 2007 by Shawn M Moore |
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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=cut |