Class: NdrImport::FixedWidth::Table

Inherits:
Table
  • Object
show all
Defined in:
lib/ndr_import/fixed_width/table.rb

Overview

This class maintains the state of a fixed width table mapping and encapsulates the logic required to transform a table of data into “records”. Particular attention has been made to use enumerables throughout to help with the transformation of large quantities of data.

Instance Attribute Summary

Attributes inherited from Table

#notifier

Instance Method Summary collapse

Methods inherited from Table

all_valid_options, #all_valid_options, #encode_with, #header_valid?, #initialize, #match, #process_line, #transform

Constructor Details

This class inherits a constructor from NdrImport::Table

Instance Method Details

#transform_line(line, index) ⇒ Object

This method transforms an incoming line of fixed wwidrh data by applying each of the klass masked mappings to the line and yielding the klass and fields for each mapped klass.



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# File 'lib/ndr_import/fixed_width/table.rb', line 13

def transform_line(line, index)
  return enum_for(:transform_line, line, index) unless block_given?

  masked_mappings.each do |klass, klass_mappings|
    line = fixed_width_columns(line, klass_mappings)
    fields = mapped_line(line, klass_mappings)
    next if fields[:skip].to_s == 'true'.freeze
    yield(klass, fields, index)
  end
end