root/platform/tdiary/plugin/makerss_category.rb

#
# makerss_category.rb: extension for makerss plugin.
#
# Copyright (C) 2007 by SHIBATA Hiroshi <h-sbt@nifty.com>
# Distributed under GPL2.
#
# Usage:
#    @conf['makerss.category'] = ["mixi", "sns"]
#

class MakeRssCategory < MakeRssFull
        def title
                '(category only)'
        end
        
        def item( seq, body, rdfsec )
                return unless rdfsec.section.respond_to?( :body_to_html )
                return if rdfsec.section.categories.length == 0
                rdfsec.section.categories.each do |category|
                        if @conf['makerss.category'].include?(category)
                                super
                        end
                end
        end
        
        def file
                f = @conf['makerss.category.file'] || 'category.rdf'
                f = 'category.rdf' if f.length == 0
                f
        end
        
        def write( encoder )
                super( encoder )
        end
        
        def url
                u = @conf['makerss.category.url'] || "#{@conf.base_url}category.rdf"
                u = "#{@conf.base_url}category.rdf" if u.length == 0
                u
        end
end

@makerss_rsses << MakeRssCategory::new( @conf )