Class: Hobix::Out::Atom

Inherits:
BaseOutput show all
Defined in:
lib/hobix/out/atom.rb

Instance Method Summary collapse

Methods inherited from BasePlugin

inherited, start

Constructor Details

#initialize(weblog) ⇒ Atom

Returns a new instance of Atom.



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# File 'lib/hobix/out/atom.rb', line 35

def initialize( weblog )
    @path = weblog.skel_path
end

Instance Method Details

#extension ⇒ Object 



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# File 'lib/hobix/out/atom.rb', line 38

def extension
    "atom"
end

#load(file_name, vars) ⇒ Object 



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# File 'lib/hobix/out/atom.rb', line 41

def load( file_name, vars )
    rssdoc = REXML::Document.new( <<EOXML )
<feed
  xmlns="http://www.w3.org/2005/Atom"
  xmlns:dc="http://purl.org/dc/elements/1.1/"
  xml:lang="en">
<title></title>
<link rel="alternate" type="text/html" href="" />
<link rel="self" type="application/atom+xml" href="" />
<updated></updated>
<subtitle></subtitle>
<id></id>
<generator uri="http://hobix.com/" version="#{ Hobix::VERSION }">Hobix</generator>
<rights></rights>
</feed>
EOXML
    uri = vars[:weblog].link
    rssdoc << REXML::XMLDecl.new
    rssdoc.elements['/feed/title'].text = vars[:weblog].title
    alt_uri = vars[:weblog].link.to_s
    REXML::XPath.first(rssdoc, '/atom:feed/atom:link[@rel="alternate"]', 
      { 'atom' => 'http://www.w3.org/2005/Atom' }).attributes['href'] = alt_uri
    self_uri = "#{vars[:weblog].link}#{vars[:page].link}"
    REXML::XPath.first(rssdoc, '/atom:feed/atom:link[@rel="self"]', 
      { 'atom' => 'http://www.w3.org/2005/Atom' }).attributes['href'] = self_uri
    rssdoc.elements['/feed'].attributes['xml:base'] = self_uri
    rssdoc.elements['/feed/subtitle'].text = vars[:weblog].tagline
    rssdoc.elements['/feed/updated'].text = vars[:page].updated.strftime( "%Y-%m-%dT%H:%M:%SZ" )
    rssdoc.elements['/feed/id'].text = "tag:#{ uri.host },#{ Time.now.year }:blog#{ uri.path }"
    rssdoc.elements['/feed/rights'].text = vars[:weblog].copyright || "None"
    ( vars[:entries] || [vars[:entry]] ).each do |e|
        ele = REXML::Element.new 'entry'
        ele.extend XmlQuick
        ele.attributes['xml:base'] = e.link
        ele.x( 'title', e.title )
        ele.x( 'link', nil, {'rel' => 'alternate', 'type' => 'text/html', 'href' => e.link } )
        ele.x( 'id', "tag:#{ uri.host },#{ Time.now.year }:blog#{ CGI.escape(uri.path) }entry#{ CGI.escape( "/#{ e.id }" ) }" )
        ele.x( 'published', e.created.strftime( "%Y-%m-%dT%H:%M:%SZ" ) )
        ele.x( 'updated', (e.modified || e.created).strftime( "%Y-%m-%dT%H:%M:%SZ" ) )
        ele.x( 'dc:subject', e.section_id )
        e.tags.find_all {|t| not (t.nil? or t == '') }.each do |t|
            ele.x( 'category', '', { 'term' => t, 'scheme' => "http://hobix.com/tags" } )
        end
        ele.x( 'summary', 
            e.summary.to_html.gsub( /img src="\//, "img src=\"#{ vars[:weblog].link }/" ),
            {'type' => 'html', 'mode' => 'escaped'} ) if e.respond_to? :summary and e.summary and !e.summary.empty?
        author = vars[:weblog].authors[e.author]
        ele_auth = REXML::Element.new 'author'
        ele_auth.extend XmlQuick
        ele_auth.x( 'name', author['name'] )
        ele_auth.x( 'uri', author['url'] ) if author['url']
        ele_auth.x( 'email', author['email'] ) if author['email']
        ele << ele_auth
        ele.x( 'content', e.content.to_html, {'type' => 'html'} )
        rssdoc.elements['/feed'].add ele
    end
    rssdoc.to_s
end