Class: Bio::GFF::Record

Inherits:
Object show all
Defined in:
lib/bio/db/gff.rb

Overview

Represents a single line of a GFF-formatted file. See Bio::GFF for more information.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str) ⇒ Record

Creates a Bio::GFF::Record object. Is typically not called directly, but is called automatically when creating a Bio::GFF object.

Arguments:

  • str: a tab-delimited line in GFF format



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# File 'lib/bio/db/gff.rb', line 108

def initialize(str)
  @comments = str.chomp[/#.*/]
  return if /^#/.match(str)
  @seqname, @source, @feature, @start, @end, @score, @strand, @frame,
    attributes, = str.chomp.split("\t")
  @attributes = parse_attributes(attributes) if attributes
end

Instance Attribute Details

#attributes ⇒ Object

List of tag=value pairs (e.g. to store name of the feature: ID=my_id)



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# File 'lib/bio/db/gff.rb', line 98

def attributes
  @attributes
end

#comments ⇒ Object

Comments for the GFF record



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# File 'lib/bio/db/gff.rb', line 101

def comments
  @comments
end

#end ⇒ Object

End position of feature on reference sequence



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# File 'lib/bio/db/gff.rb', line 86

def end
  @end
end

#feature ⇒ Object

Name of the feature



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# File 'lib/bio/db/gff.rb', line 80

def feature
  @feature
end

#frame ⇒ Object

For features of type ‘exon’: indicates where feature begins in the reading frame



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# File 'lib/bio/db/gff.rb', line 95

def frame
  @frame
end

#score ⇒ Object

Score of annotation (e.g. e-value for BLAST search)



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# File 'lib/bio/db/gff.rb', line 89

def score
  @score
end

#seqname ⇒ Object

Name of the reference sequence



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# File 'lib/bio/db/gff.rb', line 74

def seqname
  @seqname
end

#source ⇒ Object

Name of the source of the feature (e.g. program that did prediction)



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# File 'lib/bio/db/gff.rb', line 77

def source
  @source
end

#start ⇒ Object

Start position of feature on reference sequence



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# File 'lib/bio/db/gff.rb', line 83

def start
  @start
end

#strand ⇒ Object

Strand that feature is located on



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# File 'lib/bio/db/gff.rb', line 92

def strand
  @strand
end