Class: Protobuf::Rpc::Buffer

Inherits:
Object
  • Object
show all
Defined in:
lib/protobuf/rpc/buffer.rb

Constant Summary collapse

MODES = 
[:read, :write]
SIZE_REGEX =

constantize this so we don't re-initialize the regex every time we need it

/^\d+-/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mode = :read) ⇒ Buffer

Returns a new instance of Buffer.



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# File 'lib/protobuf/rpc/buffer.rb', line 12

def initialize(mode=:read)
  @flush = false
  @data = ""
  @size = 0
  self.mode = mode
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/protobuf/rpc/buffer.rb', line 5

def data
  @data
end

#mode ⇒ Object

Returns the value of attribute mode.



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# File 'lib/protobuf/rpc/buffer.rb', line 5

def mode
  @mode
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/protobuf/rpc/buffer.rb', line 5

def size
  @size
end

Instance Method Details

#<<(data) ⇒ Object 



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# File 'lib/protobuf/rpc/buffer.rb', line 38

def <<(data)
  @data << data
  if reading?
    get_data_size
    check_for_flush
  end
end

#flushed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protobuf/rpc/buffer.rb', line 59

def flushed?
  @flush
end

#get_data_size ⇒ Object 



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# File 'lib/protobuf/rpc/buffer.rb', line 63

def get_data_size
  if @size == 0 || @data.match(SIZE_REGEX)
    sliced_size = @data.slice!(SIZE_REGEX)
    @size = sliced_size.gsub('-', '').to_i unless sliced_size.nil?
  end
end

#reading? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protobuf/rpc/buffer.rb', line 51

def reading?
  mode == :read
end

#set_data(data) ⇒ Object 



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# File 'lib/protobuf/rpc/buffer.rb', line 46

def set_data(data)
  @data = data.to_s
  @size = @data.size
end

#write(force_mode = true) ⇒ Object 



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# File 'lib/protobuf/rpc/buffer.rb', line 27

def write(force_mode=true)
  if force_mode and reading?
    mode = :write
  elsif not force_mode and reading?
    raise = 'You chose to write the buffer when in read mode'
  end

  @size = @data.length
  "#{@size}-#{@data}"
end

#writing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protobuf/rpc/buffer.rb', line 55

def writing?
  mode == :write
end