45 lines
997 B
Perl
45 lines
997 B
Perl
package DDG::Goodie::Base;
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# ABSTRACT: convert numbers between arbitrary bases
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use strict;
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use DDG::Goodie;
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use Math::Int2Base qw/int2base/;
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use 5.010;
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zci answer_type => "conversion";
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zci is_cached => 1;
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use bigint;
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my %base_map = (
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hex => 16,
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hexadecimal => 16,
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oct => 8,
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octal => 8,
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binary => 2,
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);
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my $map_keys = join '|', keys %base_map;
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triggers any => 'base', keys %base_map;
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handle query_clean => sub {
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return unless /^(?<num>[0-9]+)\s*(?:(?:in|as|to)\s+)?(?:(?<bt>$map_keys)|(?:base\s*(?<bn>[0-9]+)))$/;
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my $number = $+{'num'};
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my $base = $+{'bn'} // $base_map{$+{bt}};
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return if $base < 2 || $base > 36;
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my $based = int2base($number, $base);
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return "$number in base $base is $based",
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structured_answer => {
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data => {
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title => $based,
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subtitle => "Decimal to base $base: $number"
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},
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templates => {
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group => 'text'
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}
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};
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};
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1;
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