/usr/share/perl5/Bio/AlignIO/nexml.pm is in libbio-perl-perl 1.6.924-3.
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# BioPerl module for Bio::AlignIO::nexml
#
# Copyright Chase Miller
#
# You may distribute this module under the same terms as perl itself
# POD documentation - main docs before the code
=head1 NAME
Bio::AlignIO::nexml - NeXML format sequence alignment input/output stream driver
=head1 SYNOPSIS
Do not use this module directly. Use it via the L<Bio::AlignIO> class.
=head1 DESCRIPTION
This object can transform L<Bio::SimpleAlign> objects to and from
NeXML format. For more information on NeXML, visit L<http://www.nexml.org>.
=head1 FEEDBACK
=head2 Support
Please direct usage questions or support issues to the mailing list:
I<bioperl-l@bioperl.org>
rather than to the module maintainer directly. Many experienced and
reponsive experts will be able look at the problem and quickly
address it. Please include a thorough description of the problem
with code and data examples if at all possible.
=head2 Reporting Bugs
Report bugs to the Bioperl bug tracking system to help us keep track
the bugs and their resolution. Bug reports can be submitted via the
web:
https://github.com/bioperl/bioperl-live/issues
=head1 AUTHORS
Chase Miller
=head1 CONTRIBUTORS
Mark Jensen, maj@fortinbras.us
Rutger Vos, rutgeraldo@gmail.com
=head1 APPENDIX
The rest of the documentation details each of the object
methods. Internal methods are usually preceded with a _
=cut
# Let the code begin...
package Bio::AlignIO::nexml;
use strict;
use lib '../..';
use Bio::Nexml::Factory;
use Bio::Phylo::IO qw(parse unparse);
use base qw(Bio::AlignIO);
sub _initialize {
my($self,@args) = @_;
$self->SUPER::_initialize(@args);
$self->{_doc} = undef;
}
=head2 next_aln
Title : next_aln
Usage : $aln = $stream->next_aln
Function: returns the next alignment in the stream.
Returns : Bio::Align::AlignI object - returns 0 on end of file
or on error
Args :
See L<Bio::Align::AlignI>
=cut
sub next_aln {
my ($self) = @_;
unless ( $self->{'_parsed'} ) {
#use a parse function to load all the alignment objects found in the nexml file at once
$self->_parse;
}
return $self->{'_alns'}->[ $self->{'_alnsiter'}++ ];
}
=head2 rewind
Title : rewind
Usage : $alnio->rewind
Function: Resets the stream
Returns : none
Args : none
=cut
sub rewind {
my $self = shift;
$self->{'_alniter'} = 0;
}
=head2 doc
Title : doc
Usage : $treeio->doc
Function: Returns the biophylo nexml document object
Returns : Bio::Phylo::Project
Args : none or Bio::Phylo::Project object
=cut
sub doc {
my ($obj,$value) = @_;
if( defined $value) {
$obj->{'_doc'} = $value;
}
return $obj->{'_doc'};
}
sub _parse {
my ($self) = @_;
$self->{'_parsed'} = 1;
$self->{'_alnsiter'} = 0;
my $fac = Bio::Nexml::Factory->new();
$self->doc(parse(
'-file' => $self->{'_file'},
'-format' => 'nexml',
'-as_project' => '1'
));
$self->{'_alns'} = $fac->create_bperl_aln($self);
if(@{ $self->{'_alns'} } == 0)
{
self->debug("no seqs in $self->{_file}");
}
}
=head2 write_aln
Title : write_aln
Usage : $stream->write_aln(@aln)
Function: writes the $aln object into the stream in nexml format
Returns : 1 for success and 0 for error
Args : L<Bio::Align::AlignI> object
See L<Bio::Align::AlignI>
=cut
sub write_aln {
my ($self, $aln) = @_;
my $fac = Bio::Nexml::Factory->new();
my $taxa = $fac->create_bphylo_taxa($aln);
my ($matrix) = $fac->create_bphylo_aln($aln, $taxa);
$matrix->set_taxa($taxa);
$self->doc(Bio::Phylo::Factory->create_project());
$self->doc->insert($matrix);
my $ret = $self->_print($self->doc->to_xml());
$self->flush;
return $ret;
}
1;
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