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PERLANCAR / Data-Format-Pretty-Perl-0.060 / lib / Data / Format / Pretty / Perl.pm 

            

              
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package Data::Format::Pretty::Perl;
our $DATE = '2018-01-14'; # DATE
our $VERSION = '0.060'; # VERSION
use 5.010001;
use strict;
use warnings;
use Data::Dump qw();
use Data::Dump::Color qw();
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw(format_pretty);
sub content_type { "text/x-perl" }
sub format_pretty {
    my ($data, $opts) = @_;
    $opts //= {};
    my $interactive = (-t STDOUT);
    my $color  = $opts->{color} // $ENV{COLOR} // $interactive;
    my $linum  = $opts->{linum} // $ENV{LINUM} // 0;
    my $dump;
    if ($color) {
        $dump = Data::Dump::Color::dump($data) . "\n";
    } else {
        $dump = Data::Dump::dump($data) . "\n";
    }
    if ($linum) {
        my $lines = 0;
        $lines++ while $dump =~ /^/mog;
        my $fmt;
        my $i = 0;
        if ($color) {
            $fmt = "%".length($lines)."d";
            $dump =~ s/^/
                "\e[7m" . sprintf($fmt, ++$i) . "\e[0m"
                    /egm;
        } else {
            $fmt = "%".length($lines)."d|";
            $dump =~ s/^/
                sprintf($fmt, ++$i)
                    /egm;
        }
    }
    $dump;
}
1;
# ABSTRACT: Pretty-print data structure as Perl code
__END__
=pod
=encoding UTF-8
=head1 NAME
Data::Format::Pretty::Perl - Pretty-print data structure as Perl code
=head1 VERSION
This document describes version 0.060 of Data::Format::Pretty::Perl (from Perl distribution Data-Format-Pretty-Perl), released on 2018-01-14.
=head1 SYNOPSIS
 use Data::Format::Pretty::Perl qw(format_pretty);
 print format_pretty($data);
Some example output:
=over
=item * format_pretty({a=>1, b=>2})
 { a => 1, b => 2 }
=back
=head1 DESCRIPTION
This module uses L<Data::Dump> or L<Data::Dump::Color> to format data as Perl
code.
=head1 FUNCTIONS
=head2 format_pretty($data, \%opts)
Return formatted data structure as Perl code. Options:
=over
=item * color => BOOL
Whether to enable coloring. The default is the enable only when running
interactively. Currently also enable line numbering.
=item * linum => BOOL (default: 0)
Whether to add line numbers.
=back
=head2 content_type()
=head1 FAQ
=head1 ENVIRONMENT
=head2 COLOR => BOOL
Set C<color> option (if unset).
=head2 LINUM => BOOL
Set C<linum> option (if unset).
=head1 HOMEPAGE
Please visit the project's homepage at L<https://metacpan.org/release/Data-Format-Pretty-Perl>.
=head1 SOURCE
Source repository is at L<https://github.com/perlancar/perl-Data-Format-Pretty-Perl>.
=head1 BUGS
Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Data-Format-Pretty-Perl>
When submitting a bug or request, please include a test-file or a
patch to an existing test-file that illustrates the bug or desired
feature.
=head1 SEE ALSO
L<Data::Format::Pretty>
=head1 AUTHOR
perlancar <perlancar@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2018, 2014, 2013, 2012 by perlancar@cpan.org.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut