Class: LibSL::Block

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

Instance Method Summary collapse

Constructor Details

#initialize(structure) ⇒ Block 



165
166
167
168
169
 
# File 'lib/packet.rb', line 165

def initialize(structure)
  @structure = structure
  @data = []
  @structure.length.times{ @data << nil }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
 
# File 'lib/packet.rb', line 195

def method_missing(name, *args)
  name = name.to_s
  if name[-1..-1] == "=" then
    # Setter
    var = name[0..-2].to_sym
    throw "The method #{name} does not exist in #{self.class.name}" if @structure.assoc(var).nil?
    index = @structure.index{|v| v[0] == var}
    @data[index] = [var, args[0]]
  else
    # Getter
    var = name.to_sym
    throw "The method #{name} does not exist in #{self.class.name}" if @structure.assoc(var).nil?
    @data.assoc(var)[1]
  end
end

Instance Method Details

#decode(data) ⇒ Object 



171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
 
# File 'lib/packet.rb', line 171

def decode(data)
  @data = []
  @structure.each do |var|
    begin
      args = [data]
      args << var[2] if var[1] == :LLFixed
      value, data = LibSL.const_get(var[1]).decode(*args)
    #rescue => e
    # throw e
    # throw "Type #{type.to_s} does not exist!"
    end
    @data << [var[0], value]
  end
  data
end

#encode ⇒ Object 



187
188
189
190
191
192
193
 
# File 'lib/packet.rb', line 187

def encode()
  throw "Data has to be an array." unless @data.is_a? Array
  throw "Block is missing data." if @data.length != @structure.length
  data = ""
  @data.each{ |var| data += var[1].encode }
  data
end