Class: Parser

Inherits:

FSM

• Object
• FSM
• Parser

Defined in:

lib/netutils/parser.rb

Direct Known Subclasses

Alaxala::Interface, Alaxala::LLDP, Alaxala::MACFIB, Alaxala::ShowARP, Alaxala::ShowRoute, Alaxala::ShowVRF, Cisco::CDP, Cisco::IfSummary, Cisco::Interface, Cisco::MACFIB, Cisco::ShowARP, Cisco::ShowInterface, Cisco::ShowRoute, Cisco::ShowVRF

Constant Summary

Constants inherited from FSM

FSM::FSM_S_INIT

Instance Method Summary

• #add(sname, cb, regexp = nil) ⇒ Object
• #initialize ⇒ Parser constructor

  A new instance of Parser.

• #parse(buf) ⇒ Object
• #regexp ⇒ Object

Methods inherited from FSM

#cb, #changeto, #state_name

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.

# File 'lib/netutils/parser.rb', line 4

def initialize
  super
  @regexp = Array.new
end

Instance Method Details

#add(sname, cb, regexp = nil) ⇒ Object

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

def add(sname, cb, regexp = nil)
  super(sname, cb)
  @regexp.push(regexp)
end

#parse(buf) ⇒ Object

# File 'lib/netutils/parser.rb', line 20

def parse(buf)
  buf.each_line do |l|
    unless l.chomp! =~ regexp
      raise(ArgumentError,
          "No match at #{state_name}: \"#{l}\" " +
          "to #{regexp.to_s}")
    end
    send(cb, l, $~)
  end
end

#regexp ⇒ Object

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

def regexp
  r = @regexp[@state]
  r = /^.*$/ if r == nil
  return r
end