Class: Obo::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/obo/parser.rb

Constant Summary collapse

STANZA_START = 
/^\[(.*?)\]/
TAG_VALUE = 
/^(.*?):([^!]*)/

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/obo/parser.rb', line 9

def initialize(filename)
  @header = nil
  @io     = File.open(filename)
end

Instance Method Details

#elements(io = @io) ⇒ Object 



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# File 'lib/obo/parser.rb', line 14

def elements(io = @io)
  Enumerator.new do |yielder|
    header             = Header.new
    prev_line_position = io.pos
    line               = lines.next

    until line.is_a? Stanza
      header.add(*line)
      prev_line_position = io.pos
      line               = lines.next
    end

    yielder << header
    io.pos = prev_line_position

    stanzas.each { |stanza| yielder << stanza }
  end
end

#rewind(io = @io) ⇒ Object 



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# File 'lib/obo/parser.rb', line 33

def rewind(io = @io)
  io.pos = 0
end