zeroclickinfo-goodies/lib/DDG/Goodie/TitleCase.pm

44 lines
1.3 KiB
Perl
Executable File

package DDG::Goodie::TitleCase;
# ABSTRACT: Convert a string to title case.
use strict;
use DDG::Goodie;
triggers start => 'titlecase', 'title case';
zci answer_type => "title_case";
zci is_cached => 1;
# http://blog.apastyle.org/apastyle/2012/03/title-case-and-sentence-case-capitalization-in-apa-style.html
my %exceptions = map { $_ => 1 } ("a", "an", "and", "the", "by", "but", "for", "or", "nor", "yet", "so", "as", "at", "in", "of", "on", "per", "to");
handle remainder => sub {
my $input = shift;
return unless $input;
my ($first_word, @words) = split(/\s+/, lc $input); # Normalize to lowercase and break out words.
my $title_case = join(
' ', # Single spaces between words in the result
ucfirst $first_word, # First word is always capped.
map {
($exceptions{$_})
? $_ # Exceptions left untouched.
: join('-', map { ucfirst } split(/-/, $_)) # Each part of a hyphenated word is capped.
} @words
);
return $title_case, structured_answer => {
data => {
title => $title_case,
subtitle => "Title case: $input"
},
templates => {
group => 'text'
}
};
};
1;