Class: Jekyll::BibSonomyPostList

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/bibsonomy-jekyll.rb

Constant Summary collapse

CONFIG_OPTS =

these bibsonomy/csl configuration options are supported

['pdf_dir', 'altmetric_badge_type', 'style', 'year_headings', 'css_class']

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, text, tokens) ⇒ BibSonomyPostList

Returns a new instance of BibSonomyPostList.



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# File 'lib/bibsonomy-jekyll.rb', line 33

def initialize(tag_name, text, tokens)
  super
  @input = text
end

Instance Method Details

#configure(csl, config, opts) ⇒ Object

set values in csl from config, possibly overriden by opts



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# File 'lib/bibsonomy-jekyll.rb', line 81

def configure(csl, config, opts)
  # work on a copy of the configuration and override using opts
  config = config.clone.merge(opts)
  # set values from config in CSL
  (CONFIG_OPTS & config.keys()).each do |key|
    # TODO: access attribute by string → ok or hack?
    csl.instance_variable_set('@' + key, config[key])
  end

  # HACK: convert the only (so far) boolean variable to boolean
  if csl.year_headings.is_a?(String)
     csl.year_headings = csl.year_headings.downcase == "true"
  end

end

#get_opts(parts) ⇒ Object 



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# File 'lib/bibsonomy-jekyll.rb', line 67

def get_opts(parts)
  opts = {}
  # parameters starting with : can override configuration options
  # only at the beginning → the first string without : stops loop
  while parts[0].start_with?(':')
    opts[parts.shift[1..]] = parts.shift
  end
  return opts
end

#render(context) ⇒ Object 



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# File 'lib/bibsonomy-jekyll.rb', line 39

def render(context)
  rendered_input = Liquid::Template.parse(@input).render(context)
  parts = rendered_input.split(/\s+/)

  # parameters starting with : can override csl configuration options
  opts = get_opts(parts)
  # use (remaining/actual) parameters
  grouping = parts.shift
  name = parts.shift
  # the last element is the number of posts
  count = Integer(parts.pop)
  # everything else are the tags
  tags = parts

  # configure CSL
  config = context.registers[:site].config['bibsonomy']
  csl = BibSonomy::CSL.new(config['user'], config['apikey'])
  configure(csl, config, opts)

  html = csl.render(grouping, name, tags, count)

  # set date to now
  context.registers[:page]["date"] = Time.new

  return html
end