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#!/usr/bin/env perl
#
# This file is part of Tk-ObjScanner
#
# This software is copyright (c) 1997-2004,2007,2014,2017,2023 by Dominique Dumont.
#
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#
use 5.016;
use strict;
use warnings;
use Tk;
use Tk::ObjScanner;
use YAML::PP;
use JSON;
use Path::Tiny;
use warnings qw(FATAL utf8); # fatalize encoding glitches
use open qw(:std :utf8); # undeclared streams in UTF-8
use Getopt::Long;
my $opt = {};
GetOptions($opt, 'yaml!', 'json!')
or die("Error in command line arguments\n");
my $file = shift @ARGV // '';
my $format = $opt->{yaml} ? 'yaml'
: $opt->{json} ? 'json'
: $file =~ /\.ya?ml$/i ? 'yaml'
: $file =~ /\.json/i ? 'json'
: die "Unknown format for ", $file ? "file $file" : "standard input. Please use -yaml or -json option";
my $string = $file ? path($file)->slurp_utf8($file) : join('', <> );
my $ypp = YAML::PP->new;
my $data = $format eq 'yaml' ? $ypp->load_string( $string )
: decode_json ($string) ;
my $mw = MainWindow->new;
# $mw->geometry('+10+10');
my $s = $mw->ObjScanner(
'-caller' => $data,
-destroyable => 1,
-destroy_label => "quit",
-show_tied => 0,
-title => 'data viewer'
);
$s->pack( -expand => 1, -fill => 'both' );
$s->OnDestroy( sub { $mw->destroy; } );
MainLoop; # Tk's
__END__
=pod
=encoding UTF-8
=head1 NAME
data_viewer - Open a data viewer widget for you JSON or YAML data
=head1 SYNOPSIS
# view json file
data_viewer file.json
# viewn yaml file
data_viewer file.yml
# pipe json data
data_viewer -json < file.json
# pipe yaml data
data_viewer -yaml < file.yml
=head1 DESCRIPTION
This command opens a L<Tk::ObjScanner> widget for the data stored in
YAML or JSON file.
This command can be applied on a file passed as argument or data can
be piped to C<data_viewer>. Yaml file suffix can be C<yaml> or C<yml>.
=head1 OPTIONS
=head2 -json
Parse the data as JSON.
=head2 -yaml
Parse the data as YAML.
=head1 BUGS
=over
=item *
YAML anchor and aliases are ignored. Data is seen as duplicated in the widget.
=item *
JSON object are showed as C<HASH>, which is Perl terminology.
=back
=head1 SEE ALSO
L<Tk::ObjScanner>
=cut
=cut
|
