Sha256: 7ed673604777cb233d5ed4a66566ab7be2b69ad9bd606d5119c4040e97e484a6
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Contents
module Spread2RDF
module Schema
class Spreadsheet
attr_reader :name
attr_reader :worksheet
def initialize(name, &block)
@name = name
@worksheet = {}
@schema_spec = block
end
def spreadsheet
self
end
def worksheets
@worksheet.values
end
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
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
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems