Class: PDG::ParticleTable

Inherits:
Hash
  • Object
show all
Defined in:
lib/pdg/particle_table.rb

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ ParticleTable 



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# File 'lib/pdg/particle_table.rb', line 5

def initialize(path)

  source = File.new path, "r"

  while (line = source.gets)
    line_type = PDG::single_character(line)

    case line_type
    # Comment lines begin with a *
    when "*"
      next
    when "M"
      parse_line line, :mass
    when "W"
      parse_line line, :width
    end

  end

  source.close
end

Instance Method Details

#<<(particle) ⇒ Object

Appends a new particle to the ‘particles` hash



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# File 'lib/pdg/particle_table.rb', line 67

def <<(particle)
  self[particle.id] = particle
end

#[](id) ⇒ Object 



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# File 'lib/pdg/particle_table.rb', line 58

def [](id)
  if id.class == Range or id.class == Array
    self.values_at(*id).compact
  else
    self.values_at(id).first
  end
end

#pretty_print(id, fields = [:id, :name, :mass, :charge, :width, :lifetime]) ⇒ Object

Returns a formatted table containing particle(s) with id(s) = ‘ids` One may specify a single integer, an Array of them, or a Range



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# File 'lib/pdg/particle_table.rb', line 77

def pretty_print(id, fields = [:id, :name, :mass, :charge, :width, :lifetime])
  PDG::pretty_print(self[id], fields)
end

#to_s ⇒ Object 



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# File 'lib/pdg/particle_table.rb', line 71

def to_s
  "<##{self.class}:#{self.object_id.to_s(8)}>"
end