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package Biber::Section;
#use feature 'unicode_strings';
use Biber::Entries;
use Biber::Utils;
use List::Util qw( first );
=encoding utf-8
=head1 NAME
Biber::Section
=head2 new
Initialize a Biber::Section object
=cut
sub new {
my ($class, %params) = @_;
my $self = bless {%params}, $class;
$self->{bibentries} = new Biber::Entries;
$self->{allkeys} = 0;
$self->{citekeys} = [];
$self->{sortcache} = [];
$self->{dkeys} = {};
$self->{orig_order_citekeys} = [];
$self->{undef_citekeys} = [];
return $self;
}
=head2 allkeys
Sets flag to say citekey '*' occurred in citekeys
=cut
sub allkeys {
my $self = shift;
$self->{allkeys} = 1;
return;
}
=head2 is_allkeys
Checks flag which says citekey '*' occurred in citekeys
=cut
sub is_allkeys {
my $self = shift;
return $self->{allkeys};
}
=head2 bibentry
Returns a Biber::Entry object for the given citation key
=cut
sub bibentry {
my $self = shift;
my $key = shift;
$key = lc($key);
return $self->bibentries->entry($key);
}
=head2 bibentries
Return Biber::Entries object for this section
=cut
sub bibentries {
my $self = shift;
return $self->{bibentries};
}
=head2 del_bibentries
Delete all Biber::Entry objects from the Biber::Section object
=cut
sub del_bibentries {
my $self = shift;
$self->{bibentries} = new Biber::Entries;
return;
}
=head2 set_citekeys
Sets the citekeys in a Biber::Section object
=cut
sub set_citekeys {
my $self = shift;
my $keys = shift;
$self->{citekeys} = $keys;
return;
}
=head2 set_orig_order_citekeys
Sets the original order of citekeys in a Biber::Section object
=cut
sub set_orig_order_citekeys {
my $self = shift;
my $keys = shift;
$self->{orig_order_citekeys} = $keys;
return;
}
=head2 get_citekeys
Gets the citekeys of a Biber::Section object
Returns a normal array
=cut
sub get_citekeys {
my $self = shift;
return @{$self->{citekeys}};
}
=head2 get_static_citekeys
Gets the citekeys of a Biber::Section object
excluding dynamic set entry keys
Returns a normal array
=cut
sub get_static_citekeys {
my $self = shift;
return reduce_array($self->{citekeys}, $self->dynamic_set_keys);
}
=head2 get_undef_citekeys
Gets the list of undefined citekeys of a Biber::Section object
Returns a normal array
=cut
sub get_undef_citekeys {
my $self = shift;
return @{$self->{undef_citekeys}};
}
=head2 get_orig_order_citekeys
Gets the citekeys of a Biber::Section object in their original order
This is just to ensure we have a method that will return this, just in
case we mess about with the order at some point. This is needed by
citeorder sorting.
=cut
sub get_orig_order_citekeys {
my $self = shift;
return @{$self->{orig_order_citekeys}};
}
=head2 has_citekey
Returns true when $key is in the Biber::Section object
=cut
sub has_citekey {
my $self = shift;
my $key = shift;
return defined ( first { lc($_) eq lc($key) } $self->get_citekeys ) ? 1 : 0;
}
=head2 del_citekey
Deletes a citekey from a Biber::Section object
=cut
sub del_citekey {
my $self = shift;
my $key = shift;
return unless $self->has_citekey($key);
$self->{citekeys} = [ grep {$_ ne $key} @{$self->{citekeys}} ];
$self->{orig_order_citekeys} = [ grep {$_ ne $key} @{$self->{orig_order_citekeys}} ];
return;
}
=head2 del_citekeys
Deletes al citekeys from a Biber::Section object
=cut
sub del_citekeys {
my $self = shift;
$self->{citekeys} = [ ];
$self->{orig_order_citekeys} = [ ];
return;
}
=head2 set_dynamic_set
Record a mapping of dynamic key to member keys
=cut
sub set_dynamic_set {
my $self = shift;
my $dkey = shift;
my @members = @_;
$self->{dkeys}{$dkey} = \@members;
return;
}
=head2 get_dynamic_set
Retrieve member keys for a dynamic set key
Check on has reference returning anything stop spurious warnings
about empty dereference in return.
=cut
sub get_dynamic_set {
my $self = shift;
my $dkey = shift;
if (my $set_members = $self->{dkeys}{$dkey}) {
return @$set_members;
}
else {
return ();
}
}
=head2 dynamic_set_keys
Retrieve all dynamic set keys
=cut
sub dynamic_set_keys {
my $self = shift;
return [keys %{$self->{dkeys}}];
}
=head2 add_citekeys
Adds citekeys to the Biber::Section object
=cut
sub add_citekeys {
my $self = shift;
my @keys = @_;
foreach my $key (@keys) {
next if $self->has_citekey($key);
push @{$self->{citekeys}}, $key;
push @{$self->{orig_order_citekeys}}, $key;
}
return;
}
=head2 add_undef_citekey
Adds a citekey to the Biber::Section object as an undefined
key. This allows us to output this information to the .bbl and
so biblatex can do better reporting to external utils like latexmk
=cut
sub add_undef_citekey {
my $self = shift;
my $key = shift;
push @{$self->{undef_citekeys}}, $key;
return;
}
=head2 add_datasource
Adds a data source to a section
=cut
sub add_datasource {
my $self = shift;
my $source = shift;
push @{$self->{datasources}}, $source;
return;
}
=head2 set_datasources
Sets the data sources for a section
=cut
sub set_datasources {
my $self = shift;
my $sources = shift;
$self->{datasources} = $sources;
return;
}
=head2 get_datasources
Gets an array of data sources for this section
=cut
sub get_datasources {
my $self = shift;
if (exists($self->{datasources})) {
return $self->{datasources};
}
else {
return undef;
}
}
=head2 add_list
Adds a section list to this section
=cut
sub add_list {
my $self = shift;
my $list = shift;
push @{$self->{lists}}, $list;
return;
}
=head2 get_lists
Returns an array ref of all section lists
=cut
sub get_lists {
my $self = shift;
return $self->{lists};
}
=head2 get_list
Returns a specific list by label
=cut
sub get_list {
my $self = shift;
my $label = shift;
foreach my $list (@{$self->{lists}}) {
return $list if ($list->get_label eq $label);
}
return undef;
}
=head2 add_sort_cache
Adds a scheme/keys pair to the sort cache:
[$scheme, $keys, $sortinitdata, $extraalphadata, $extrayeardata ]
=cut
sub add_sort_cache {
my $self = shift;
my $cacheitem = shift;
push @{$self->{sortcache}}, $cacheitem;
return;
}
=head2 get_sort_cache
Retrieves the sort cache
=cut
sub get_sort_cache {
my $self = shift;
return $self->{sortcache};
}
=head2 reset_sort_cache
Reset the sort cache
=cut
sub reset_sort_cache {
my $self = shift;
$self->{sortcache} = [];
return;
}
=head2 number
Gets the section number of a Biber::Section object
=cut
sub number {
my $self = shift;
return $self->{number};
}
=head1 AUTHORS
François Charette, C<< <firmicus at gmx.net> >>
Philip Kime C<< <philip at kime.org.uk> >>
=head1 BUGS
Please report any bugs or feature requests on our sourceforge tracker at
L<https://sourceforge.net/tracker2/?func=browse&group_id=228270>.
=head1 COPYRIGHT & LICENSE
Copyright 2009-2011 François Charette and Philip Kime, all rights reserved.
This module is free software. You can redistribute it and/or
modify it under the terms of the Artistic License 2.0.
This program is distributed in the hope that it will be useful,
but without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
=cut
1;
# vim: set tabstop=2 shiftwidth=2 expandtab:
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