Sha256: 3eaf2ce14f3791b05c3b4bb881c0d351fca8ba53f22363b0d374a4988ba36ffb
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Size: 778 Bytes
Versions: 17
Compression:
Stored size: 778 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::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
17 entries across 17 versions & 1 rubygems