` element if - # the content_model equals :simple and return the result. - # - # Returns the block content as a String, wrapped inside a `
` element if - # the content_model equals `:simple`. - def resolve_content - @content_model == :simple ? %(
#{content}
) : content - end - - # Capture nested template content and register it with the specified key, to - # be executed at a later time. - # - # This method must be invoked using the control code directive (i.e., -). By - # using a control code directive, the block is set up to append the result - # directly to the output buffer. (Integrations often hide the distinction - # between a control code directive and an output directive in this context). - # - # key - The Symbol under which to save the template block. - # opts - A Hash of options to control processing (default: {}): - # * :append - A Boolean that indicates whether to append this block - # to others registered with this key (default: false). - # * :content - String content to be used if template content is not - # provided (optional). - # block - The template content (in Slim template syntax). - # - # Examples - # - # - content_for :body - # p content - # - content_for :body, append: true - # p more content - # - # Returns nothing. - def content_for key, opts = {}, &block - @content = {} unless defined? @content - (opts[:append] ? (@content[key] ||= []) : (@content[key] = [])) << (block_given? ? block : lambda { opts[:content] }) - nil - end - - # Checks whether deferred template content has been registered for the specified key. - # - # key - The Symbol under which to look for saved template blocks. - # - # Returns a Boolean indicating whether content has been registered for this key. - def content_for? key - (defined? @content) && (@content.key? key) - end - - # Evaluates the deferred template content registered with the specified key. - # - # When the corresponding content_for method is invoked using a control code - # directive, the block is set up to append the result to the output buffer - # directly. - # - # key - The Symbol under which to look for template blocks to yield. - # opts - A Hash of options to control processing (default: {}): - # * :drain - A Boolean indicating whether to drain the key of blocks - # after calling them (default: true). - # - # Examples - # - # - yield_content :body - # - # Returns nothing (assuming the content has been captured in the context of control code). - def yield_content key, opts = {} - if (defined? @content) && (blks = (opts.fetch :drain, true) ? (@content.delete key) : @content[key]) - blks.map {|b| b.call }.join - end - nil - end - - # Copied from asciidoctor/lib/asciidoctor/converter/html5.rb (method is private) - def append_link_constraint_attrs node, attrs = [] - rel = 'nofollow' if node.option? 'nofollow' - if (window = node.attributes['window']) - attrs << %( target="#{window}") - attrs << (rel ? %( rel="#{rel} noopener") : ' rel="noopener"') if window == '_blank' || (node.option? 'noopener') - elsif rel - attrs << %( rel="#{rel}") - end - attrs - end - - # Copied from asciidoctor/lib/asciidoctor/converter/html5.rb (method is private) - def encode_attribute_value val - (val.include? '"') ? (val.gsub '"', '"') : val - end - - # Copied from asciidoctor/lib/asciidoctor/converter/semantic-html5.rb which is not yet shipped - # @todo remove this code when the new converter becomes available in the main gem - def generate_authors node - return if node.authors.empty? - - if node.authors.length == 1 - %() - else - result = ['' - result.join Asciidoctor::LF - end - end - - # Copied from asciidoctor/lib/asciidoctor/converter/semantic-html5.rb which is not yet shipped - # @todo remove this code when the new converter becomes available in the main gem - def format_author node, author - in_context 'author' do - %() - end - end - - # Copied from asciidoctor/lib/asciidoctor/converter/semantic-html5.rb which is not yet shipped - # @todo remove this code when the new converter becomes available in the main gem - def in_context name - (@convert_context ||= []).push name - result = yield - @convert_context.pop - result - end - - STEM_EQNUMS_AMS = 'ams' - STEM_EQNUMS_NONE = 'none' - STEM_EQNUMS_VALID_VALUES = [ - STEM_EQNUMS_NONE, - STEM_EQNUMS_AMS, - 'all' - ] - - MATHJAX_VERSION = '3.2.0' - - # Generate the Mathjax markup to process STEM expressions - # @param cdn_base [String] - # @return [String] - def generate_stem(cdn_base) - if attr?(:stem) - eqnums_val = attr('eqnums', STEM_EQNUMS_NONE).downcase - unless STEM_EQNUMS_VALID_VALUES.include?(eqnums_val) - eqnums_val = STEM_EQNUMS_AMS - end - mathjax_configuration = { - tex: { - inlineMath: [Asciidoctor::INLINE_MATH_DELIMITERS[:latexmath]], - displayMath: [Asciidoctor::BLOCK_MATH_DELIMITERS[:latexmath]], - processEscapes: false, - tags: eqnums_val, - }, - options: { - ignoreHtmlClass: 'nostem|nolatexmath' - }, - asciimath: { - delimiters: [Asciidoctor::BLOCK_MATH_DELIMITERS[:asciimath]], - }, - loader: { - load: ['input/asciimath', 'output/chtml', 'ui/menu'] - } - } - mathjaxdir = attr('mathjaxdir', "#{cdn_base}/mathjax/#{MATHJAX_VERSION}/es5") - %() + - %() - end - end - #-- - end - - # More custom functions can be added in another namespace if required - #module Helpers - #end - - - # Make Helpers' constants accessible from transform methods. - Helpers.constants.each do |const| - const_set(const, Helpers.const_get(const)) - end - - #------------------------------- End of Helpers -------------------------------# - - - register_for "revealjs", "reveal.js" - - def initialize(backend, opts = {}) - super - basebackend "html" if respond_to? :basebackend - outfilesuffix ".html" if respond_to? :outfilesuffix - filetype "html" if respond_to? :filetype - supports_templates if respond_to? :supports_templates - - delegate_backend = (opts[:delegate_backend] || "html5").to_s - factory = ::Asciidoctor::Converter::Factory - - converter = factory.create(delegate_backend, backend_info) - @delegate_converter = if converter == self - factory.new.create(delegate_backend, backend_info) - else - converter - end - end - - def convert(node, transform = nil, opts = {}) - meth_name = "convert_#{transform || node.node_name}" - opts ||= {} - converter = respond_to?(meth_name) ? self : @delegate_converter - - if opts.empty? - converter.send(meth_name, node) - else - converter.send(meth_name, node, opts) - end - end - - #----------------- Begin of generated transformation methods -----------------# - - - def convert_notes(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; _buf << ("".freeze); _buf - end - end - - def convert_inline_anchor(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; case @type; - ; when :xref; - ; refid = (attr :refid) || @target; - ; _slim_controls1 = html_tag('a', { :href => @target, :class => [role, ('fragment' if (option? :step) || (attr? 'step'))].compact }.merge(data_attrs(@attributes))) do; _slim_controls2 = ''; - ; _slim_controls2 << (((@text || @document.references[:ids].fetch(refid, "[#{refid}]")).tr_s("\n", ' ')).to_s); - ; _slim_controls2; end; _buf << ((_slim_controls1).to_s); when :ref; - ; _buf << ((html_tag('a', { :id => @target }.merge(data_attrs(@attributes)))).to_s); - ; when :bibref; - ; _buf << ((html_tag('a', { :id => @target }.merge(data_attrs(@attributes)))).to_s); - ; _buf << ("[".freeze); _buf << ((@target).to_s); _buf << ("]".freeze); - ; else; - ; _slim_controls3 = html_tag('a', { :href => @target, :class => [role, ('fragment' if (option? :step) || (attr? 'step'))].compact, :target => (attr :window), 'data-preview-link' => (bool_data_attr :preview) }.merge(data_attrs(@attributes))) do; _slim_controls4 = ''; - ; _slim_controls4 << ((@text).to_s); - ; _slim_controls4; end; _buf << ((_slim_controls3).to_s); end; _buf - end - end - - def convert_ruler(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; _buf << ("".freeze); - ; _buf - end - end - - def convert_stem(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; open, close = Asciidoctor::BLOCK_MATH_DELIMITERS[@style.to_sym]; - ; equation = content.strip; - ; if (@subs.nil? || @subs.empty?) && !(attr? 'subs'); - ; equation = sub_specialcharacters equation; - ; end; unless (equation.start_with? open) && (equation.end_with? close); - ; equation = %(#{open}#{equation}#{close}); - ; end; _slim_controls1 = html_tag('div', { :id => @id, :class => ['stemblock', role, ('fragment' if (option? :step) || (has_role? 'step') || (attr? 'step'))] }.merge(data_attrs(@attributes))) do; _slim_controls2 = ''; - ; if title?; - ; _slim_controls2 << ("
".freeze); _slim_controls2 << ((title).to_s);
- ; _slim_controls2 << ("
".freeze); end; _slim_controls2 << ("".freeze); _slim_controls2 << ((equation).to_s);
- ; _slim_controls2 << ("
".freeze); _slim_controls2; end; _buf << ((_slim_controls1).to_s); _buf
- end
- end
-
- def convert_embedded(node, opts = {})
- node.extend(Helpers)
- node.instance_eval do
- converter.set_local_variables(binding, opts) unless opts.empty?
- _buf = ''; unless notitle || !has_header?;
- ; _buf << ("".freeze); - ; - ; footnotes.each do |fn|; - ; _buf << ("
".freeze); _buf << ((fn.index).to_s); _buf << (". ".freeze); _buf << ((fn.text).to_s);
- ; _buf << ("
".freeze); end; _buf << ("".freeze); _slim_controls2 << ((title).to_s);
- ; _slim_controls2 << ("
".freeze); end; _slim_controls2 << ("".freeze); - ; - ; if checklist && (item.attr? :checkbox); - ; _slim_controls2 << ((%(#{(item.attr? :checked) ? marker_checked : marker_unchecked}#{item.text})).to_s); - ; else; - ; _slim_controls2 << ((item.text).to_s); - ; end; _slim_controls2 << ("
".freeze); if item.blocks?; - ; _slim_controls2 << ((item.content).to_s); - ; end; _slim_controls2 << ("".freeze); end; _slim_controls2 << ("".freeze); _slim_controls2; end; _buf << ((_slim_controls1).to_s); _buf - end - end - - def convert_paragraph(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; _slim_controls1 = html_tag('div', { :id => @id, :class => ['paragraph', role, ('fragment' if (option? :step) || (attr? 'step'))] }.merge(data_attrs(@attributes))) do; _slim_controls2 = ''; - ; if title?; - ; _slim_controls2 << ("".freeze); _slim_controls2 << ((title).to_s);
- ; _slim_controls2 << ("
".freeze); end; if has_role? 'small';
- ; _slim_controls2 << ("".freeze); _slim_controls2 << ((content).to_s);
- ; _slim_controls2 << ("".freeze); else;
- ; _slim_controls2 << ("".freeze); _slim_controls2 << ((content).to_s); - ; _slim_controls2 << ("
".freeze); end; _slim_controls2; end; _buf << ((_slim_controls1).to_s); _buf - end - end - - def convert_dlist(node, opts = {}) - node.extend(Helpers) - node.instance_eval do - converter.set_local_variables(binding, opts) unless opts.empty? - _buf = ''; case @style; - ; when 'qanda'; - ; _slim_controls1 = html_tag('div', { :id => @id, :class => ['qlist', @style, role] }.merge(data_attrs(@attributes))) do; _slim_controls2 = ''; - ; if title?; - ; _slim_controls2 << ("".freeze); _slim_controls2 << ((title).to_s);
- ; _slim_controls2 << ("
".freeze); end; _slim_controls2 << ("- ".freeze);
- ; items.each do |questions, answer|;
- ; _slim_controls2 << ("
- ".freeze);
- ; [*questions].each do |question|;
- ; _slim_controls2 << ("
".freeze); _slim_controls2 << ((question.text).to_s); - ; _slim_controls2 << ("
".freeze); end; unless answer.nil?; - ; if answer.text?; - ; _slim_controls2 << ("".freeze); _slim_controls2 << ((answer.text).to_s); - ; _slim_controls2 << ("
".freeze); end; if answer.blocks?; - ; _slim_controls2 << ((answer.content).to_s); - ; end; end; _slim_controls2 << (" ".freeze); end; _slim_controls2 << ("
".freeze); _slim_controls4 << ((title).to_s);
- ; _slim_controls4 << ("
".freeze); end; _slim_controls4 << ("| ".freeze);
- ; unless dd.nil?;
- ; if dd.text?;
- ; _slim_controls4 << (" ".freeze); _slim_controls4 << ((dd.text).to_s); - ; _slim_controls4 << (" ".freeze); end; if dd.blocks?; - ; _slim_controls4 << ((dd.content).to_s); - ; end; end; _slim_controls4 << (" |
".freeze); _slim_controls6 << ((title).to_s);
- ; _slim_controls6 << ("
".freeze); end; _slim_controls6 << ("- ".freeze);
- ; items.each do |terms, dd|;
- ; [*terms].each do |dt|;
- ; _slim_controls6 << ("
- ".freeze);
- ; if dd.text?;
- ; _slim_controls6 << ("
".freeze); _slim_controls6 << ((dd.text).to_s); - ; _slim_controls6 << ("
".freeze); end; if dd.blocks?; - ; _slim_controls6 << ((dd.content).to_s); - ; end; _slim_controls6 << (" ".freeze); end; end; _slim_controls6 << ("
".freeze); _slim_controls2 << ((captioned_title).to_s);
- ; _slim_controls2 << ("
".freeze); end; _slim_controls2 << ("".freeze); _buf << ((captioned_title).to_s);
- ; _buf << ("
".freeze); end; end; _buf
- end
- end
-
- def convert_toc(node, opts = {})
- node.extend(Helpers)
- node.instance_eval do
- converter.set_local_variables(binding, opts) unless opts.empty?
- _buf = '';
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ;
- ; _buf << ("".freeze);
- ; _buf << (((document.attr 'toc-title')).to_s);
- ; _buf << ("
".freeze);
- ; _buf << ((converter.convert document, 'outline').to_s);
- ; _buf << ("".freeze); _buf << ((slice_text _title_obj.title, (_slice = header.option? :slice)).to_s); - ; _buf << ("
".freeze); _buf << ((slice_text _title_obj.subtitle, _slice).to_s); - ; _buf << ("
".freeze); else; - ; _buf << ("".freeze); _buf << ((@header.title).to_s); - ; _buf << ("
".freeze); end; preamble = @document.find_by context: :preamble; - ; unless preamble.nil? or preamble.length == 0; - ; _buf << ("".freeze); _buf << ((preamble.pop.content).to_s);
- ; _buf << ("
".freeze); end; _buf << ((generate_authors(@document)).to_s);
- ; _buf << ("".freeze); _buf
- end
- end
-
- def convert_inline_quoted(node, opts = {})
- node.extend(Helpers)
- node.instance_eval do
- converter.set_local_variables(binding, opts) unless opts.empty?
- _buf = ''; quote_tags = { emphasis: 'em', strong: 'strong', monospaced: 'code', superscript: 'sup', subscript: 'sub' };
- ; if (quote_tag = quote_tags[@type]);
- ; _buf << ((html_tag(quote_tag, { :id => @id, :class => [role, ('fragment' if (option? :step) || (attr? 'step'))].compact }.merge(data_attrs(@attributes)), @text)).to_s);
- ; else;
- ; case @type;
- ; when :double;
- ; _buf << ((inline_text_container("“#{@text}”")).to_s);
- ; when :single;
- ; _buf << ((inline_text_container("‘#{@text}’")).to_s);
- ; when :asciimath, :latexmath;
- ; open, close = Asciidoctor::INLINE_MATH_DELIMITERS[@type];
- ; _buf << ((inline_text_container("#{open}#{@text}#{close}")).to_s);
- ; else;
- ; _buf << ((inline_text_container(@text)).to_s);
- ; end; end; _buf
- end
- end
-
- def convert_inline_callout(node, opts = {})
- node.extend(Helpers)
- node.instance_eval do
- converter.set_local_variables(binding, opts) unless opts.empty?
- _buf = ''; if @document.attr? :icons, 'font';
- ; _buf << ("".freeze);
- ; _buf << (("(#{@text})").to_s);
- ; _buf << ("".freeze); elsif @document.attr? :icons;
- ; _buf << ("".freeze); _slim_controls4 << ((cell_content).to_s);
- ; _slim_controls4 << ("
".freeze); when :literal;
- ; _slim_controls4 << ("".freeze); _slim_controls4 << ((cell_content).to_s);
- ; _slim_controls4 << ("".freeze); _slim_controls4 << ((text).to_s); - ; _slim_controls4 << ("
".freeze); end; else; - ; cell_content.each do |text|; - ; _slim_controls4 << ("".freeze); _slim_controls4 << ((text).to_s); - ; _slim_controls4 << ("
".freeze); end; end; end; _slim_controls4; end; _slim_controls2 << ((_slim_controls3).to_s); end; _slim_controls2 << ("- ".freeze);
- ; sections.each do |sec|;
- ; _buf << ("
- ".freeze); _buf << ((section_title sec).to_s); - ; _buf << ("".freeze); if (sec.level < toclevels) && (child_toc = converter.convert sec, 'outline'); - ; _buf << ((child_toc).to_s); - ; end; _buf << (" ".freeze); end; _buf << ("
".freeze); _buf << ((slice_text _title_obj.title, (_slice = header.option? :slice)).to_s); - ; _buf << ("
".freeze); _buf << ((slice_text _title_obj.subtitle, _slice).to_s); - ; _buf << ("
".freeze); else; - ; _buf << ("".freeze); _buf << ((@header.title).to_s); - ; _buf << ("
".freeze); end; preamble = @document.find_by context: :preamble; - ; unless preamble.nil? or preamble.length == 0; - ; _buf << ("".freeze); _buf << ((preamble.pop.content).to_s);
- ; _buf << ("
".freeze); end; _buf << ((generate_authors(@document)).to_s);
- ; _buf << ("".freeze);
- ; end; end; _buf << ((slides_content).to_s);
- ; unless (footer_docinfo = docinfo :footer, '-revealjs.html').empty?;
- ; _buf << ((footer_docinfo).to_s);
- ;
- ; end; end; _buf << ("".freeze);
- ;
- ;
- ; if syntax_hl && (syntax_hl.docinfo? :footer);
- ; _buf << ((syntax_hl.docinfo :footer, self, cdn_base_url: cdn_base, linkcss: linkcss, self_closing_tag_slash: '/').to_s);
- ;
- ; end; unless (docinfo_content = (docinfo :footer, '.html')).empty?;
- ; _buf << ((docinfo_content).to_s);
- ; end; _buf << ("