Mercurial > repos > mahtabm > ensemb_rep_gvl
diff variant_effect_predictor/Bio/Tools/FootPrinter.pm @ 0:2bc9b66ada89 draft default tip
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author | mahtabm |
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date | Thu, 11 Apr 2013 06:29:17 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/variant_effect_predictor/Bio/Tools/FootPrinter.pm Thu Apr 11 06:29:17 2013 -0400 @@ -0,0 +1,254 @@ +# BioPerl module for Bio::Tools::FootPrinter +# +# Cared for by Shawn Hoon <shawnh@fugu-sg.org> +# +# Copyright Shawn Hoon +# +# You may distribute this module under the same terms as perl itself + +# POD documentation - main docs before the code + +=head1 NAME + +Bio::Tools::FootPrinter - DESCRIPTION of Object + +=head1 SYNOPSIS + + use Bio::Tools::FootPrinter; + + my $tool = Bio::Tools::FootPrinter->new(-file=>"footprinter.out"); + + while (my $result = $tool->next_feature){ + foreach my $feat($result->sub_SeqFeature){ + print $result->seq_id."\t".$feat->start."\t".$feat->end."\t".$feat->seq->seq."\n"; + } + } + +=head1 DESCRIPTION + +A parser for FootPrinter output + +=head1 FEEDBACK + +=head2 Mailing Lists + +User feedback is an integral part of the evolution of this and other +Bioperl modules. Send your comments and suggestions preferably to +the Bioperl mailing list. Your participation is much appreciated. + + bioperl-l@bioperl.org - General discussion + http://bioperl.org/MailList.shtml - About the mailing lists + +=head2 Reporting Bugs + +Report bugs to the Bioperl bug tracking system to help us keep track +of the bugs and their resolution. Bug reports can be submitted via +email or the web: + + bioperl-bugs@bioperl.org + http://bugzilla.bioperl.org/ + +=head1 AUTHOR - Shawn Hoon + +Email shawnh@fugu-sg.org + +Describe contact details here + +=head1 CONTRIBUTORS + +Additional contributors names and emails here + +=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::Tools::FootPrinter; +use vars qw(@ISA); +use strict; + +use Bio::Root::Root; +use Bio::SeqFeature::Generic; +use Bio::PrimarySeq; +use Bio::Root::IO; + +@ISA = qw(Bio::Root::Root Bio::Root::IO ); + +=head2 new + + Title : new + Usage : my $obj = new Bio::Tools::FootPrinter(); + Function: Builds a new Bio::Tools::FootPrinter object + Returns : Bio::Tools::FootPrinter + Args : -fh/-file => $val, # for initing input, see Bio::Root::IO + +=cut + +sub new { + my($class,@args) = @_; + + my $self = $class->SUPER::new(@args); + $self->_initialize_io(@args); + + return $self; +} + +=head2 next_feature + + Title : next_feature + Usage : my $r = $footprint->next_feature + Function: Get the next feature from parser data + Returns : L<Bio::SeqFeature::Generic> + Args : none + +=cut + +sub next_feature{ + my ($self) = @_; + $self->_parse_predictions() unless $self->_predictions_parsed(); + return shift @{$self->{'_feature'}}; + +} + +=head2 _add_feature + + Title : _add_feature + Usage : $footprint->_add_feature($feat) + Function: Add feature to array + Returns : none + Args : none + +=cut + +sub _add_feature { + my ($self,$feat) = @_; + if($feat){ + push @{$self->{'_feature'}},$feat; + } +} + +=head2 _parse_predictions + + Title : _parse_predictions + Usage : my $r = $footprint->_parse_predictions + Function: do the parsing + Returns : none + Args : none + +=cut + +sub _parse_predictions { + my ($self) = @_; + $/=""; + my ($seq,$third,$name); + while ($_ = $self->_readline) { + chomp; + my @array = split("\n",$_); + if($#array == 3){ + if($name){ + $name=~s/>//; + my $feat = $self->_parse($name,$seq,$third); + $self->_add_feature($feat); + } + $name = shift @array; + $seq=$array[0]; + $third=$array[2]; + next; + } + $seq.=$array[0]; + $third.=$array[2]; + } + $name=~s/>//; + my $feat = $self->_parse($name,$seq,$third); + $self->_add_feature($feat); + + $self->_predictions_parsed(1); +} + +=head2 _predictions_parsed + + Title : _predictions_parsed + Usage : $footprint->_predictions_parsed(1) + Function: Get/Set for whether predictions parsed + Returns : 1/0 + Args : none + +=cut + +sub _predictions_parsed { + my ($self,$val) = @_; + if($val){ + $self->{'_predictions_parsed'} = $val; + } + return $self->{'_predictions_parsed'}; +} + + +=head2 _parse + + Title : _parse + Usage : $footprint->_parse($name,$seq,$pattern) + Function: do the actual parsing + Returns : L<Bio::SeqFeature::Generic> + Args : none + +=cut + +sub _parse { + my ($self,$name,$seq,$pattern) = @_; + my @char = split('',$pattern); + my $prev; + my $word; + my @words; + foreach my $c(@char){ + if(!$word){ + $word .= $c; + $prev = $c; + next; + } + if ($c eq $prev){ + $word.=$c; + $prev = $c; + } + else { + #remove words with only \s + $word=~s/\s+//g; + if ($word ne ''){ + push @words, $word; + } + $word=$c; + $prev = $c; + + } + } + $word=~s/\s+//g; + if($word ne ''){ + push @words, $word; + } + my $last; + my $feat = new Bio::SeqFeature::Generic(-seq_id=>$name); + my $offset=0; + foreach my $w(@words){ + if($w !~ /^$/){ + my $index = index($pattern,$w,$offset); + $offset = $index + length($w); + my $subfeat = new Bio::SeqFeature::Generic ( -seq_id=>$name, + -start => $index+1, + -end =>$index+length($w), + -source=>"FootPrinter"); + $feat->add_sub_SeqFeature($subfeat,'EXPAND'); + } + } + my $priseq = Bio::PrimarySeq->new(-id=>$name,-seq=>$seq); + $feat->attach_seq($priseq); + return $feat; + +} + +1;