Class: Kramdown::Parser::Citedown

Inherits:
Kramdown
  • Object
show all
Defined in:
lib/jekyll/zettel/citedown.rb

Overview

Kramdown Parser mit inline Zitationen

Constant Summary collapse

CITATION = 
/\[@([\w,:]+)(;\s*(.*))?\]/.freeze
KEYWORD = 
/\[#([\w]+)\]/.freeze

Instance Method Summary collapse

Constructor Details

#initialize(source, options) ⇒ Citedown

Returns a new instance of Citedown.



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# File 'lib/jekyll/zettel/citedown.rb', line 6

def initialize(source, options)
  super
  site = Jekyll.sites[0]

  @citeproc = site.config['citeproc']
  @references = site.data['references']
  @keywords = site.data['aliases']
  @zettel = site.data['zettelkasten']

  @span_parsers.unshift(:citation, :keyword)

  # So geht’s mit <i>, <b>, <em> und <strong> weiter
  # @span_parsers.delete(:emphasis)
end

Instance Method Details

#add_citation(cite_key, note, start_line_number) ⇒ Object 



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# File 'lib/jekyll/zettel/citedown.rb', line 37

def add_citation(cite_key, note, start_line_number)
  citation = @citeproc.render :citation, id: cite_key, locator: note, label: :note
  attributes = {
    'href' => "/zettel/#{@references[cite_key]['id']}/",
    'title' => @zettel[@references[cite_key]['id']]['title'],
    'class' => 'citation'
  }
  link = Element.new(:a, nil, attributes, location: start_line_number)

  link.children << Element.new(:raw, "<sup>#{citation}</sup>")
  @tree.children << link
end

#add_keyword(keyword, start_line_number) ⇒ Object 



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# File 'lib/jekyll/zettel/citedown.rb', line 66

def add_keyword(keyword, start_line_number)
  attributes = {
    'href' => "/glosse/#{@keywords[keyword]['slug']}/",
    'title' => @keywords[keyword]['tag'],
    'class' => 'keyword'
  }
  link = Element.new(:a, nil, attributes, location: start_line_number)

  link.children << Element.new(:raw, keyword)
  @tree.children << link
end

#log_warning(catalog, entry) ⇒ Object 



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# File 'lib/jekyll/zettel/citedown.rb', line 80

def log_warning(catalog, entry)
  Jekyll.logger.warn 'Zettel:', "Missing entry for #{catalog} `#{entry}`"
  @tree.children << Element.new(:raw, "<span class=\"error\">Missing entry for #{catalog} `#{entry}`</span>")
end

#parse_citation ⇒ Object 



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# File 'lib/jekyll/zettel/citedown.rb', line 23

def parse_citation
  start_line_number = @src.current_line_number
  @src.pos += @src.matched_size

  cite_key = @src[1]
  note = @src[3]

  if @references.key?(cite_key)
    add_citation(cite_key, note, start_line_number)
  else
    log_warning('cite-key', cite_key)
  end
end

#parse_keyword ⇒ Object 



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# File 'lib/jekyll/zettel/citedown.rb', line 54

def parse_keyword
  start_line_number = @src.current_line_number
  @src.pos += @src.matched_size

  keyword = @src[1]
  if @keywords.key?(keyword)
    add_keyword(keyword, start_line_number)
  else
    log_warning('keyword', keyword)
  end
end