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package Parqus; |
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$Parqus::VERSION = '0.02'; |
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73355
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use Moo; |
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use namespace::autoclean; |
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1349
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use Regexp::Grammars; |
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7
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# ABSTRACT: parse a search query string |
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has keywords => ( |
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is => 'lazy', |
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isa => sub { |
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die "$_[0] is not a HashRef!" |
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if ref $_[0] ne 'HASH'; |
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}, |
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coerce => sub { |
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if ( ref $_[0] eq 'ARRAY' ) { |
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my %hash = map { $_ => 1 } @{ $_[0] }; |
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return \%hash; |
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} |
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else { |
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return $_[0]; |
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} |
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}, |
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default => sub { {} } |
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); |
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has value_regex => ( |
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is => 'lazy', |
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isa => sub { |
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"$_[0] is not a Regexp!" |
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unless ref $_[0] eq 'Regexp'; |
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}, |
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default => sub { qr![\w-]+!xms }, |
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); |
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has parser => ( |
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is => 'lazy', |
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init_arg => undef, |
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isa => sub { |
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"$_[0] is not a Regexp!" |
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unless ref $_[0] eq 'Regexp'; |
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}, |
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); |
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sub _build_parser { |
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my ($self) = @_; |
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my %keywords = %{ $self->keywords }; |
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my $value_regex = $self->value_regex; |
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3
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152
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return eval q{qr/ |
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^ |
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\s* |
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<[query]>* |
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\s* |
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$ |
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- |
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:? |
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66
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<%keywords> |
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['"] |
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/xms}; |
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} |
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74
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sub process { |
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0
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14686
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my ( $self, $query ) = @_; |
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my %keywords = (); |
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my @words = (); |
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my @errors = (); |
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100
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if ( $query =~ $self->parser ) { |
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for my $item ( @{ $/{query} } ) { |
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82
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13
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100
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if ( exists $item->{item}{keyvalue} ) { |
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83
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my $key = $item->{item}{keyvalue}{key}; |
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my $value = |
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exists $item->{item}{keyvalue}{value} |
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? $item->{item}{keyvalue}{value} |
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: ''; |
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push( @{ $keywords{$key} }, $value ); |
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} |
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elsif ( exists $item->{item}{value} ) { |
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push( @words, $item->{item}{value} ); |
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} |
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else { |
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0
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push( @errors, "Parse Error: neither word nor keyvalue" ); |
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} |
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} |
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} |
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else { |
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125
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push( @errors, "Parse Error: Invalid search query." ); |
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} |
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102
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push( @errors, @! ) |
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if @!; |
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105
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return { |
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( scalar @words ? (words => \@words) : () ), |
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100
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107
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( scalar keys %keywords ? (keywords => \%keywords) : () ), |
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( scalar @errors ? (errors => \@errors) : () ), |
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}; |
110
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} |
111
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112
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1; |
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114
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__END__ |