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package Catmandu::Fix::index;
use Catmandu::Sane;
our $VERSION = '1.2024';
use Moo;
use Catmandu::Util::Path qw(as_path);
use List::SomeUtils qw(indexes first_index);
use namespace::clean;
use Catmandu::Fix::Has;
has path => (fix_arg => 1);
has search => (fix_arg => 1);
has multiple => (fix_opt => 1);
with 'Catmandu::Fix::Builder';
sub _build_fixer {
my ($self) = @_;
my $search = $self->search;
my %args;
if ($self->multiple) {
%args = (
if_string => sub {
[indexes {$_ eq $search} unpack('(A)*', $_[0])];
},
if_array_ref => sub {
[indexes {$_ eq $search} @{$_[0]}];
},
);
}
else {
%args = (
if_string => sub {
index($_[0], $search);
},
if_array_ref => sub {
first_index {$_ eq $search} @{$_[0]};
},
);
}
as_path($self->path)->updater(%args);
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::index - Find all positions of a (sub)string in a field
=head1 SYNOPSIS
# On strings, search the occurence of a character in a string
# word => "abcde"
index(word,'c') # word => 2
index(word,'x') # word => -1
# word => "abccde"
index(word,'c', multiple:1) # word => [2,3]
# word => [a,b,bba] , loop over all word(s) with the '*'
index(word.*,'a') # word -> [0,-1,2]
# On arrays, search the occurence of a word in an array
# words => ["foo","bar","foo"]
index(words,'bar') # words => 1
index(words,'foo', multiple: 1) # words => [0,2]
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
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