Class: Chem::KEGG::KeggReactionLstParser

Inherits:
Object
  • Object
show all
Includes:
KeggFormat, Enumerable
Defined in:
lib/chem/db/kegg.rb

Instance Method Summary collapse

Methods included from KeggFormat

#compound_folder=, #each_entry

Constructor Details

#initialize(filename) ⇒ KeggReactionLstParser

Returns a new instance of KeggReactionLstParser.



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# File 'lib/chem/db/kegg.rb', line 337

def initialize filename
  @input = open(filename)
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/chem/db/kegg.rb', line 341

def each
  @input.each do |line|
    rxn = KEGGReaction.new
    r_number, comps = line.split(":")
    rxn.entry = r_number
    cc = comps.split(/<=>/)

    reactant = cc[0].split("+").collect do |c|
      ary = c.split
      #compound = KeggCompound.new
      if ary.length == 1
        #compound.entry = c.strip
        [c.strip, 1]
      else
        #compound.entry = ary[1].strip
        [c.strip, ary[0].to_i]
      end
    end
    product = cc[1].split("+").collect do |c|
      ary = c.split
      #compound = KeggCompound.new
      if ary.length == 1
        #compound.entry = c.strip
        [c.strip, 1]
      else
        #compound.entry = ary[1].strip
        [c.strip, ary[0].to_i]
      end
    end
    rxn.compounds = [reactant, product]
    yield rxn
  end
  
end