Class: Jekyll::Latex::Pdf::Figure::FigureTag

Inherits:
Liquid::Block
  • Object
show all
Includes:
Utilities
Defined in:
lib/jekyll/latex/pdf/figure/figure.rb

Overview

Overrides the Figure tag from jekyll-figure

Instance Method Summary collapse

Methods included from Utilities

#nomarkdown, #nomarkdown_p, #run_cmds, #set_context_to

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ FigureTag

Returns a new instance of FigureTag.



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# File 'lib/jekyll/latex/pdf/figure/figure.rb', line 15

def initialize(tag_name, markup, tokens)
  @markup = markup
  super
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/jekyll/latex/pdf/figure/figure.rb', line 20

def render(context)
  # Render any liquid variables
  markup = Liquid::Template.parse(@markup).render(context)

  # Extract tag attributes
  attributes = {}
  markup.scan(Liquid::TagAttributes) do |key, value|
    attributes[key] = value
  end

  @caption = attributes["caption"] if attributes.include? "caption"
  @label = attributes["label"] if attributes.include? "label"

  # Caption: convert markdown and remove paragraphs
  unless @caption.nil?
    figure_caption = @caption.gsub!(/\A"|"\Z/, "")
    figure_caption = Kramdown::Document.new(figure_caption).to_latex.strip
    figure_caption = "\\caption{#{figure_caption}}\n"
  end

  figure_main = super context

  # render figure
  figure_latex = nomarkdown_p "\\begin{figure}"
  figure_latex += nomarkdown_p "\\centering"
  figure_latex += figure_main.to_s
  figure_latex += nomarkdown_p figure_caption.to_s
  figure_latex += nomarkdown_p "\\label{#{@label}}" unless @label.nil?
  figure_latex + nomarkdown_p("\\end{figure}")
end