Module: TSparser::Parsing

Included in:
AdaptationField, AudioComponentDescriptor, CAContractInformationDescriptor, ComponentDescriptor, ContentDescriptor, ContentDescriptor::ContentList::Content, DataContentDescriptor, DigitalCopyControlDescriptor, EITEvent, EventGroupDescriptor, EventInformationSection, ExtendedEventDescriptor, ExtendedEventDescriptor::ItemHash::Item, ShortEventDescriptor, TransportPacket, UnknownDescriptor
Defined in:
lib/parsing.rb

Defined Under Namespace

Modules: ClassExtension

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/parsing.rb', line 32

def method_missing(name, *args)
  if @parsing_proc
    parsing_proc = @parsing_proc
    @parsing_proc = nil
    self.instance_eval(&parsing_proc)
  end
  if @parsed_variable[name]
    if @parsed_variable[name].instance_of?(Proc)
      @parsed_variable[name] = @parsed_variable[name].call
    end
    return @parsed_variable[name]
  end
  super
end

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/parsing.rb', line 47

def self.included(klass)
  klass.extend ClassExtension
end

Instance Method Details

#initialize(binary, parsing_proc = nil, delay = true) ⇒ Object 



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# File 'lib/parsing.rb', line 5

def initialize(binary, parsing_proc=nil, delay=true)
  @binary = binary
  @parsed_variable = Hash.new
  if delay
    @parsing_proc = parsing_proc
  else
    self.instance_eval(&parsing_proc) if parsing_proc
  end
end

#read(name, type, bit) ⇒ Object 



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# File 'lib/parsing.rb', line 15

def read(name, type, bit)
  if type == Integer
    val = @binary.read_bit_as_integer(bit)
    @parsed_variable[name] = val
  else
    val = @binary.read_bit_as_binary(bit)
    @parsed_variable[name] = Proc.new{ type.new(val) }
  end
rescue => error
  STDERR.puts "Parsing error occurred at class: #{self.class}, attr: #{name}(type:#{type}, bitlen:#{bit})"
  raise error
end

#rest_all ⇒ Object 



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# File 'lib/parsing.rb', line 28

def rest_all
  return @binary.rest_readable_bit_length
end