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package Net::FreeDB2::Response::Query; |
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# Copyright 2002, Vincenzo Zocca. |
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# See LICENSE section for usage and distribution rights. |
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require 5.005_62; |
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use strict; |
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use warnings; |
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require Exporter; |
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use AutoLoader qw(AUTOLOAD); |
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use Error qw (:try); |
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use base qw (Net::FreeDB2::Response Exporter); |
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#our @ISA = qw(Exporter); |
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# Items to export into callers namespace by default. Note: do not export |
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# names by default without a very good reason. Use EXPORT_OK instead. |
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# Do not simply export all your public functions/methods/constants. |
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# This allows declaration use Net::FreeDB2::Response::Query ':all'; |
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# If you do not need this, moving things directly into @EXPORT or @EXPORT_OK |
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# will save memory. |
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our %EXPORT_TAGS = ( 'all' => [ qw( |
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) ] ); |
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } ); |
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our @EXPORT = qw( |
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); |
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our ( $VERSION ) = '$Revision: 0.8.2.3 $ ' =~ /\$Revision:\s+([^\s]+)/; |
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my $CODE_RX = '^\s*(\d{3})\s+'; |
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my $EXACT_MATCH_RX = $CODE_RX . '(\S+)\s+(\S+)\s+(.*)\s*$'; |
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my $INEXACT_MATCH_RX = '^\s*(\S+)\s+(\S+)\s+(.*)\s*$'; |
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sub new { |
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my $class = shift; |
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my $self = {}; |
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bless ($self, (ref($class) || $class)); |
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return ($self->_initialize (@_)); |
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} |
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sub _initialize { |
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my $self = shift; |
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my $opt = shift || {}; |
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defined ($opt->{content_ref}) and $self->read ($opt); |
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return ($self); |
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} |
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sub read { |
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my $self = shift; |
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my $opt = shift || {}; |
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# Check if content_ref is specified |
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exists ($opt->{content_ref}) || throw Error::Simple ('ERROR: Net::FreeDB2::Response::Query::read, option \'content_ref\' not defined.'); |
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# Convert $opt->{content_ref} to @content_ref |
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my @content_ref = split (/[\n\r]+/, ${$opt->{content_ref}}); |
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# Parse first line |
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my $line = shift (@content_ref); |
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my ($code) = $line =~ /$CODE_RX/; |
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defined ($code) || throw Error::Simple ('ERROR: Net::FreeDB2::Response::Query::read, first line of specified \'content_ref\' does not contain a code.'); |
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if ($code == 200) { |
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my ($code, $categ, $discid, $dtitle) = $line =~ /$EXACT_MATCH_RX/; |
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use Net::FreeDB2::Match; |
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$self->setMatches (Net::FreeDB2::Match->new ({ |
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categ => $categ, |
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discid => $discid, |
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dtitle => $dtitle, |
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})); |
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$self->setError (0); |
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$self->setResult ('Found exact match'); |
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} elsif ($code == 211) { |
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my @matches = (); |
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while (my $line = shift (@content_ref)) { |
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$line eq '.' && last; |
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$line =~ /^\s*.\s*$/ && last; |
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my ($categ, $discid, $dtitle) = $line =~ /$INEXACT_MATCH_RX/; |
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use Net::FreeDB2::Match; |
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push (@matches, Net::FreeDB2::Match->new ({ |
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categ => $categ, |
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discid => $discid, |
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dtitle => $dtitle, |
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})); |
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} |
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$self->setMatches (@matches); |
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$self->setError (0); |
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$self->setResult ('Found inexact matches'); |
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} elsif ($code == 202) { |
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$self->setMatches (); |
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$self->setError (0); |
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$self->setResult ('No match found'); |
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} elsif ($code == 403) { |
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$self->setError (1); |
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$self->setResult ('Database entry is corrupt'); |
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} elsif ($code == 409) { |
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$self->setError (1); |
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$self->setResult ('No handshake'); |
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} else { |
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throw Error::Simple ("ERROR: Net::FreeDB2::Response::Query::read, unknown code '$code' returned."); |
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} |
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} |
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sub setMatches { |
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my $self = shift; |
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@{$self->{Net_FreeDB2_Response_Query}{matches}} = @_; |
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115
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} |
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sub pushMatches { |
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my $self = shift; |
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push (@{$self->{Net_FreeDB2_Response_Query}{matches}}, @_); |
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} |
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sub getMatches { |
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my $self = shift; |
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return (@{$self->{Net_FreeDB2_Response_Query}{matches}}); |
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127
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} |
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129
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1; |
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__END__ |