File: json2cif

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#! /bin/sh
#!perl -w # --*- Perl -*--
eval 'exec perl -x $0 ${1+"$@"}'
    if 0;
#------------------------------------------------------------------------------
#$Author: antanas $
#$Revision: 9355 $
#$URL: svn+ssh://www.crystallography.net/home/coder/svn-repositories/cod-tools/tags/v3.7.0/scripts/json2cif $
#$Date: 2022-07-31 23:15:34 +0300 (Sun, 31 Jul 2022) $
#------------------------------------------------------------------------------
#*
#* Parse JSON CIF and print out CIF.
#*
#* USAGE:
#*    $0 [options] input.cif [input2.cif ...]
#**

use strict;
use COD::CIF::Parser qw( parse_cif );
use COD::CIF::Tags::DictTags;
use COD::CIF::Tags::COD;
use COD::CIF::Tags::AMCSD;
use COD::CIF::Tags::TCOD;
use COD::CIF::Tags::DFT;
use COD::CIF::Tags::CanonicalNames qw( canonicalize_all_names );
use COD::CIF::Tags::Print qw( print_cif );
use COD::UserMessage qw( error );
use COD::SOptions qw( getOptions );
use COD::SUsage qw( usage );
use COD::ToolsVersion qw( get_version_string );

my $exclude_misspelled_tags = 0;
my $preserve_loop_order = 0;
my $preserve_tag_order = 0;
my $fold_long_fields = 0;
my $folding_width = 76;

my %options;
@ARGV = getOptions(
#* OPTIONS:
#*   --exclude-misspelled-tags
#*                     Remove tags that were not present in the recognised tag
#*                     list.
#*   --dont-exclude-misspelled-tags,
#*   --no-exclude-misspelled-tags
#*                     Disable the '--exclude-misspelled-tags' option.
#*
#*   --retain-tag-order
#*                     Print tags in the same order they appeared in the
#*                     original file.
#*   --dont-retain-tag-order
#*                     Disregard original tag order while printing the tags
#*                     (default).
#*
#*   --preserve-loop-order
#*                     Print loops in the same order they appeared in the
#*                     original file.
#*   --use-internal-loop-order
#*                     Disregard original loop order while printing the tags
#*                     (default).
#*
#*   --folding-width 76
#*                     Specify the length of the longest unfolded line
#*                     (default: 76).
#*
#*   --fold-long-fields
#*                     Fold fields, longer than folding width.
#*   --dont-fold-long-fields
#*                     Do not fold fields (default).
#*
#*   --help, --usage
#*                     Output a short usage message (this message) and exit.
#*   --version
#*                     Output version information and exit.
#**
    '--exclude-misspelled-tags'      => sub { $exclude_misspelled_tags = 1; },
    '--dont-exclude-misspelled-tags' => sub { $exclude_misspelled_tags = 0; },
    '--no-exclude-misspelled-tags'   => sub { $exclude_misspelled_tags = 0; },

    '--preserve-loop-order'     => sub { $preserve_loop_order = 1; },
    '--use-internal-loop-order' => sub { $preserve_loop_order = 0; },

    '--retain-tag-order'        => sub { $preserve_tag_order = 1; },
    '--dont-retain-tag-order'   => sub { $preserve_tag_order = 0; },

    '--folding-width'         => \$folding_width,
    '--fold-long-fields'      => sub{ $fold_long_fields = 1 },
    '--dont-fold-long-fields' => sub{ $fold_long_fields = 0 },

    '--help,--usage' => sub { usage; exit },
    '--version'      => sub { print get_version_string(), "\n"; exit }
);

my @dictionary_tags = ( @COD::CIF::Tags::DictTags::tag_list,
                        @COD::CIF::Tags::COD::tag_list,
                        @COD::CIF::Tags::AMCSD::tag_list,
                        @COD::CIF::Tags::TCOD::tag_list,
                        @COD::CIF::Tags::DFT::tag_list );

my %dictionary_tags = map { $_ => $_ } @dictionary_tags;

@ARGV = ( '-' ) unless @ARGV;

binmode STDOUT, ':encoding(UTF-8)';
binmode STDERR, ':encoding(UTF-8)';

for my $filename (@ARGV) {

    my $options = { 'parser' => 'json', 'no_print' => 1 };
    my ( $data, $err_count, $messages ) = parse_cif( $filename, $options );

    if ( $err_count > 0 ) {
        print STDERR $_ foreach ( @$messages );
        error( {
            'program'  => $0,
            'filename' => $filename,
            'message'  =>
                "$err_count error(s) encountered while parsing the file"
        } );
        next;
    }
    print STDERR $_ foreach ( @$messages );

    canonicalize_all_names( $data );

    for my $dataset ( @$data ) {
        print_cif( $dataset, {
                    exclude_misspelled_tags => $exclude_misspelled_tags,
                    preserve_loop_order => $preserve_loop_order,
                    fold_long_fields => $fold_long_fields,
                    folding_width => $folding_width,
                    dictionary_tags => \%dictionary_tags,
                    dictionary_tag_list => \@dictionary_tags,
                    keep_tag_order => $preserve_tag_order,
                           } );
    }
}