Class: Spread2RDF::Schema::Spreadsheet

Inherits:
Object
  • Object
show all
Defined in:
lib/spread2rdf/schema/spreadsheet.rb,
lib/spread2rdf/schema/spreadsheet_dsl.rb

Defined Under Namespace

Classes: DSL

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &block) ⇒ Spreadsheet

Returns a new instance of Spreadsheet.



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 8

def initialize(name, &block)
  @name = name
  @worksheet = {}
  @schema_spec = block
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 5

def name
  @name
end

#worksheet ⇒ Object (readonly)

Returns the value of attribute worksheet.



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 6

def worksheet
  @worksheet
end

Instance Method Details

#map(input_file) ⇒ Object 



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 39

def map(input_file)
  mapping = Mapping::Spreadsheet.new(self, input_file)
  DSL.new(self, input_file).instance_exec(&@schema_spec)
  worksheets.each { |worksheet| worksheet.init }
  mapping.map
  mapping
end

#sorted_worksheets ⇒ Object 



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 22

def sorted_worksheets
  unsorted_worksheets, sorted_worksheets = worksheets, []
  unsorted_worksheets.reject! do |worksheet|
    worksheet.columns.empty? and sorted_worksheets << worksheet
  end
  while not unsorted_worksheets.empty?
    independent = unsorted_worksheets.find_index { |worksheet|
      unsorted_worksheets.none? do |other_worksheet|
        worksheet.depends_on? other_worksheet
      end
    }
    raise "schema contains cyclic dependencies" if independent.nil?
    sorted_worksheets << unsorted_worksheets.delete_at(independent)
  end
  sorted_worksheets
end

#spreadsheet ⇒ Object 



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 14

def spreadsheet
  self
end

#worksheets ⇒ Object 



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# File 'lib/spread2rdf/schema/spreadsheet.rb', line 18

def worksheets
  @worksheet.values
end