Class: RBase::Columns::MemoColumn

Inherits:

Column

• Object
• Column
• RBase::Columns::MemoColumn

Defined in:

lib/rbase/columns.rb

Instance Attribute Summary

Attributes inherited from Column

#decimal, #name, #offset, #size

Instance Method Summary

• #initialize(name, options = {}) ⇒ MemoColumn constructor

  A new instance of MemoColumn.

• #inspect ⇒ Object
• #pack(value) ⇒ Object
• #unpack(data) ⇒ Object

Methods inherited from Column

#attach_to, column_for, column_type, #type, type

Constructor Details

#initialize(name, options = {}) ⇒ MemoColumn

Returns a new instance of MemoColumn.

# File 'lib/rbase/columns.rb', line 209

def initialize(name, options = {})
  super name, options.merge(:size => 10)
end

Instance Method Details

#inspect ⇒ Object

# File 'lib/rbase/columns.rb', line 222

def inspect
  "#{name}(memo)"
end

#pack(value) ⇒ Object

# File 'lib/rbase/columns.rb', line 213

def pack(value)
  packed_value = table.memo.write(value)
  [format("%-10d", packed_value)].pack('A10')
end

#unpack(data) ⇒ Object

# File 'lib/rbase/columns.rb', line 218

def unpack(data)
  table.memo.read(data.to_i)
end