Class: Cacofonix::CodeListExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/cacofonix/utils/code_list_extractor.rb

Overview

A utility class that processes the code list XSD from the ONIX spec and creates a set of TSV files. The generated files are used by this library to make hashes of the code lists available to users.

Constant Summary collapse

FORMATS = 
[:tsv, :ruby]

Instance Method Summary collapse

Constructor Details

#initialize(filename, format = :tsv) ⇒ CodeListExtractor

Creates a new extractor. Expects the path to a copy of the code lists file from the spec (called ONIX_BookProduct_CodeLists.xsd on my system).

Raises:

  • (ArgumentError) 


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# File 'lib/cacofonix/utils/code_list_extractor.rb', line 16

def initialize(filename, format = :tsv)
  raise ArgumentError, "#{filename} not found" unless File.file?(filename)

  @filename = filename
  raise "Unknown format: #{format}"  unless FORMATS.include?(format)
  @format = format
end

Instance Method Details

#run(dir) ⇒ Object

Generate one file for each list in the specified format in the given directory. Creates the directory if it doesn’t exist. This will overwrite any existing files.



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# File 'lib/cacofonix/utils/code_list_extractor.rb', line 28

def run(dir)
  FileUtils.mkdir_p(dir)

  each_list do |number, data|
    send("write_to_#{@format}_format", dir, number, data)
  end
end