Class: Haecksler::Column

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

Constant Summary collapse

DEFAULT_OPTIONS = 
{type: :string, date_format: nil}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {type: :string}) ⇒ Column

Returns a new instance of Column.



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# File 'lib/haecksler/column.rb', line 33

def initialize(options = {type: :string})
  options = DEFAULT_OPTIONS.merge(options)
  @name = options[:name]
  @size = options[:size]
  @type = options[:type]
  @date_format = options[:date_format]
end

Instance Attribute Details

#date_format ⇒ Object (readonly)

Returns the value of attribute date_format.



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# File 'lib/haecksler/column.rb', line 29

def date_format
  @date_format
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/haecksler/column.rb', line 29

def name
  @name
end

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/haecksler/column.rb', line 29

def size
  @size
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/haecksler/column.rb', line 29

def type
  @type
end

Instance Method Details

#parse(string_value) ⇒ Object 



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# File 'lib/haecksler/column.rb', line 41

def parse(string_value)
  parsed = ParsedColumn.new(self)

  parsed.value = begin
    case type
    when :nil
      nil
    when :string
      String(string_value).rstrip
    when :integer
      Integer(string_value)
    when :float
      Float(string_value)
    when :date
      if date_format.nil?
        Date.parse(string_value)
      else
        Date.strptime(string_value, date_format)
      end
    when :datetime
      if date_format.nil?
        DateTime.parse(string_value)
      else
        DateTime.strptime(string_value, date_format)
      end
    else
      nil
    end
  rescue
    TypeError.new(string_value, self)
  end

  parsed
end