Class: Rouge::Formatters::HTML
- Inherits:
-
Rouge::Formatter
- Object
- Rouge::Formatter
- Rouge::Formatters::HTML
- Defined in:
- lib/rouge/formatters/html.rb
Overview
Transforms a token stream into HTML output.
Constant Summary
Constants inherited from Rouge::Formatter
Instance Method Summary collapse
-
#initialize(opts = {}) ⇒ HTML
constructor
A css class to be used for the generated <pre> tag.
- #stream(tokens) { ... } ⇒ Object
- #stream_tableized(tokens) {|"<pre class=#{@css_class.inspect}>"| ... } ⇒ Object
- #stream_untableized(tokens) {|"<pre class=#{@css_class.inspect}>"| ... } ⇒ Object
Methods inherited from Rouge::Formatter
find, format, #format, #render, tag
Constructor Details
#initialize(opts = {}) ⇒ HTML
A css class to be used for the generated <pre> tag.
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# File 'lib/rouge/formatters/html.rb', line 12 def initialize(opts={}) @css_class = opts[:css_class] || 'highlight' @line_numbers = opts.fetch(:line_numbers) { false } end |
Instance Method Details
#stream(tokens) { ... } ⇒ Object
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# File 'lib/rouge/formatters/html.rb', line 18 def stream(tokens, &b) if @line_numbers stream_tableized(tokens, &b) else stream_untableized(tokens, &b) end end |
#stream_tableized(tokens) {|"<pre class=#{@css_class.inspect}>"| ... } ⇒ Object
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# File 'lib/rouge/formatters/html.rb', line 34 def stream_tableized(tokens, &b) num_lines = 0 code = '' tokens.each do |tok, val| num_lines += val.scan(/\n/).size span(tok, val) { |str| code << str } end # add an extra line number for non-newline-terminated strings num_lines += 1 if code[-1] != "\n" # generate a string of newline-separated line numbers for the gutter numbers = num_lines.times.map do |x| %<<div class="lineno">#{x+1}</div>> end.join yield "<pre class=#{@css_class.inspect}>" yield "<table><tbody><tr>" # the "gl" class applies the style for Generic.Lineno yield '<td class="gutter gl">' yield numbers yield '</td>' yield '<td class="code">' yield code yield '</td>' yield '</tr></tbody></table>' yield '</pre>' end |
#stream_untableized(tokens) {|"<pre class=#{@css_class.inspect}>"| ... } ⇒ Object
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# File 'lib/rouge/formatters/html.rb', line 26 def stream_untableized(tokens, &b) yield "<pre class=#{@css_class.inspect}>" tokens.each do |tok, val| span(tok, val, &b) end yield '</pre>' end |