Class: TDParser::TokenGenerator

Inherits:

Generator

• Object
• Generator
• TDParser::TokenGenerator

Defined in:

lib/tdp.rb

Direct Known Subclasses

TDPUtils::WaitingTokenGenerator, TDPXML::XMLParser::XMLTokenGenerator

Instance Method Summary

• #initialize(*args, &block) ⇒ TokenGenerator constructor

  A new instance of TokenGenerator.

• #shift ⇒ Object
• #unshift(*token) ⇒ Object

Constructor Details

#initialize(*args, &block) ⇒ TokenGenerator

Returns a new instance of TokenGenerator.

# File 'lib/tdp.rb', line 13

def initialize(*args, &block)
  super(*args, &block)
  @buffer = []
end

Instance Method Details

#shift ⇒ Object

# File 'lib/tdp.rb', line 18

def shift()
  if( @buffer.empty? )
    if( self.next? )
      token = self.next()
    else
      token = nil
    end
  else
    token = @buffer.shift()
  end
  token
end

#unshift(*token) ⇒ Object

# File 'lib/tdp.rb', line 31

def unshift(*token)
  @buffer.unshift(*token)
end