module OpmlParser

OpmlParser Module

A very simple and easy to use module for importing and exporting OPML.

Credits¶ ↑

Kevin Gillieron <kevin.gillieron@gw-computing.net>

Public Instance Methods

export(feeds, title="No title") click to toggle source

Export an OPML String to an array of Outline objects.

Arguments:

feeds: (Array of Outline) An array of Outline objects
title: (String) Title of the OPML document

# File lib/opml-parser.rb, line 47
def export(feeds, title="No title")
        builder = Nokogiri::XML::Builder.new(encoding: "UTF-8") do |xml|
                xml.opml(version: "1.0") do
                        xml.head { xml.title title }
                        xml.body { feeds.each { |outline| xml.outline(outline.attributes) }}
                end
        end
        builder.to_xml
end

import(contents) click to toggle source

Convert an OPML String to an array of Outline objects.

Arguments:

contents: (String) A String that contains the OMPL

# File lib/opml-parser.rb, line 33
def import(contents)
        doc = Nokogiri.XML(contents)

        doc.xpath("//body//outline").inject(Array.new) do |feeds, outline|
                next if outline.attributes.empty?
                feeds << Outline.new(xml_node_to_hash(outline.attributes))
        end
end

Private Instance Methods

xml_node_to_hash(nokogiri_node) click to toggle source

Convert a Nokogiri XML Node to a Hash table

# File lib/opml-parser.rb, line 59
def xml_node_to_hash(nokogiri_node)
        attributes = Hash.new

        nokogiri_node.each do |k,v|
                attributes[k.to_sym] = v.value
        end

        return attributes
end