package Data::Unixish::wrap;
use 5.010;
use strict;
use syntax 'each_on_array'; # to support perl < 5.12
use warnings;
#use Log::Any '$log';
use Data::Unixish::Util qw(%common_args);
use Text::ANSI::Util qw(ta_wrap ta_mbwrap);
use Text::WideChar::Util qw(mbwrap);
our $VERSION = '1.47'; # VERSION
our %SPEC;
$SPEC{wrap} = {
v => 1.1,
summary => 'Wrap text',
args => {
%common_args,
width => {
summary => 'Target column width',
schema =>[int => {default=>80, min=>1}],
cmdline_aliases => { c=>{} },
pos => 0,
},
ansi => {
summary => 'Whether to handle ANSI escape codes',
schema => ['bool', default => 0],
},
mb => {
summary => 'Whether to handle wide characters',
schema => ['bool', default => 0],
},
},
tags => [qw/text itemfunc/],
};
sub wrap {
my %args = @_;
my ($in, $out) = ($args{in}, $args{out});
_wrap_begin(\%args);
while (my ($index, $item) = each @$in) {
push @$out, _wrap_item($item, \%args);
}
[200, "OK"];
}
sub _wrap_begin {
my $args = shift;
$args->{width} //= 80;
}
sub _wrap_item {
my ($item, $args) = @_;
{
last if !defined($item) || ref($item);
if ($args->{ansi}) {
if ($args->{mb}) {
$item = ta_mbwrap($item, $args->{width});
} else {
$item = ta_wrap ($item, $args->{width});
}
} elsif ($args->{mb}) {
$item = mbwrap($item, $args->{width});
} else {
$item = Text::WideChar::Util::wrap($item, $args->{width});
}
}
return $item;
}
1;
# ABSTRACT: Wrap text
__END__
=pod
=encoding UTF-8
=head1 NAME
Data::Unixish::wrap - Wrap text
=head1 VERSION
This document describes version 1.47 of Data::Unixish::wrap (from Perl distribution Data-Unixish), released on 2014-06-12.
=head1 SYNOPSIS
In Perl:
use Data::Unixish qw(lduxl);
$wrapped = lduxl([wrap => {width=>20}], "xxxx xxxx xxxx xxxx xxxx"); # "xxxx xxxx xxxx xxxx\nxxxx"
In command line:
% echo -e "xxxx xxxx xxxx xxxx xxxx" | dux wrap -c 20
xxxx xxxx xxxx xxxx
xxxx
=head1 FUNCTIONS
=head2 wrap(%args) -> [status, msg, result, meta]
Wrap text.
Arguments ('*' denotes required arguments):
=over 4
=item * B<ansi> => I<bool> (default: 0)
Whether to handle ANSI escape codes.
=item * B<in> => I<any>
Input stream (e.g. array or filehandle).
=item * B<mb> => I<bool> (default: 0)
Whether to handle wide characters.
=item * B<out> => I<any>
Output stream (e.g. array or filehandle).
=item * B<width> => I<int> (default: 80)
Target column width.
=back
Return value:
Returns an enveloped result (an array).
First element (status) is an integer containing HTTP status code
(200 means OK, 4xx caller error, 5xx function error). Second element
(msg) is a string containing error message, or 'OK' if status is
200. Third element (result) is optional, the actual result. Fourth
element (meta) is called result metadata and is optional, a hash
that contains extra information.
=head1 SEE ALSO
fmt(1)
=head1 HOMEPAGE
Please visit the project's homepage at L<https://metacpan.org/release/Data-Unixish>.
=head1 SOURCE
Source repository is at L<https://github.com/sharyanto/perl-Data-Unixish>.
=head1 BUGS
Please report any bugs or feature requests on the bugtracker website L<https://rt.cpan.org/Public/Dist/Display.html?Name=Data-Unixish>
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 AUTHOR
Steven Haryanto <stevenharyanto@gmail.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Steven Haryanto.
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