Sha256: f6dd25a5d4baa0202406f92078a2df7152040125ff86d112994a554bc6ae137e
Contents?: true
Size: 789 Bytes
Versions: 12
Compression:
Stored size: 789 Bytes
Contents
module EPUB
class Parser
module Utils
# Extract the value of attribute of element
#
# @todo Refinement Nokogiri::XML::Node instead of use this method after Ruby 2.0 becomes popular
#
# @param [Nokogiri::XML::Element] element
# @param [String] name name of attribute excluding namespace prefix
# @param [String, nil] prefix XML namespace prefix in {EPUB::Constants::NAMESPACES} keys
# @return [String] value of attribute when the attribute exists
# @return nil when the attribute doesn't exist
def extract_attribute(element, name, prefix=nil)
attr = element.attribute_with_ns(name, EPUB::NAMESPACES[prefix])
attr.nil? ? nil : attr.value
end
module_function :extract_attribute
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems