lib/roo/excelx/images.rb
require 'roo/excelx/extractor'
module Roo
class Excelx
class Images < Excelx::Extractor
# Returns: Hash { id1: extracted_file_name1 },
# Example: { "rId1"=>"roo_media_image1.png",
# "rId2"=>"roo_media_image2.png",
# "rId3"=>"roo_media_image3.png" }
def list
@images ||= extract_images_names
end
private
def extract_images_names
return {} unless doc_exists?
doc.xpath('/Relationships/Relationship').each_with_object({}) do |rel, hash|
hash[rel['Id']] = "roo" + rel['Target'].gsub(/\.\.\/|\//, '_')
end
end
end
end
end