File Coverage

blib/lib/Data/Sah/Format.pm

Criterion	Covered	Total	%
statement	30	34	88.2
branch	4	8	50.0
condition			n/a
subroutine	6	6	100.0
pod	1	1	100.0
total	41	49	83.6

package Data::Sah::Format;

our $DATE = '2016-06-13'; # DATE
our $VERSION = '0.001'; # VERSION

use 5.010001;
use strict 'subs', 'vars';
use warnings;
use Log::Any::IfLOG '$log';

use Data::Sah::FormatCommon;

our %SPEC;

our $Log_Formatter_Code = $ENV{LOG_SAH_FORMATTER_CODE} // 0;

$SPEC{gen_formatter} = {
    v => 1.1,
    summary => 'Generate formatter code',
    args => {
        %Data::Sah::FormatterCommon::gen_formatter_args,
    },
    result_naked => 1,
};
sub gen_formatter {
    my %args = @_;

    my $format   = $args{format};
    my $pkg = "Data::Sah::Format::perl\::$format";
    (my $pkg_pm = "$pkg.pm") =~ s!::!/!g;

    require $pkg_pm;

    my $fmt = &{"$pkg\::format"}(
        data_term => '$data',
        (args => $args{formatter_args}) x !!defined($args{formatter_args}),
    );

    my $code;

    my $code_require .= '';
    #my %mem;
    if ($fmt->{modules}) {
        for my $mod (keys %{$fmt->{modules}}) {
            #next if $mem{$mod}++;
            $code_require .= "require $mod;\n";
        }
    }

    $code = join(
        "",
        $code_require,
        "sub {\n",
        "    my \$data = shift;\n",
        "    $fmt->{expr};\n",
        "}",
    );

    if ($Log_Formatter_Code) {
        $log->tracef("Formatter code (gen args: %s): %s", \%args, $code);
    }

    return $code if $args{source};

    my $formatter = eval $code;
    die if $@;
    $formatter;
}

1;
# ABSTRACT: Formatter for Data::Sah

__END__