Class: Rouge::Formatters::HTMLTable

Inherits:
Rouge::Formatter show all
Defined in:
lib/rouge/formatters/html_table.rb

Constant Summary

Constants inherited from Rouge::Formatter

Rouge::Formatter::REGISTRY

Instance Method Summary collapse

Methods inherited from Rouge::Formatter

find, format, #format, #render, tag

Constructor Details

#initialize(inner, opts = {}) ⇒ HTMLTable

Returns a new instance of HTMLTable.


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# File 'lib/rouge/formatters/html_table.rb', line 8

def initialize(inner, opts={})
  @inner = inner
  @start_line = opts.fetch(:start_line, 1)
  @line_format = opts.fetch(:line_format, '%i')
  @table_class = opts.fetch(:table_class, 'rouge-table')
  @gutter_class = opts.fetch(:gutter_class, 'rouge-gutter')
  @code_class = opts.fetch(:code_class, 'rouge-code')
end

Instance Method Details

#stream(tokens) {|%(<table class="#@table_class"><tbody><tr>)| ... } ⇒ Object

Yields:

  • (%(<table class="#@table_class"><tbody><tr>))

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# File 'lib/rouge/formatters/html_table.rb', line 22

def stream(tokens, &b)
  num_lines = 0
  last_val = ''
  formatted = ''

  tokens.each do |tok, val|
    last_val = val
    num_lines += val.scan(/\n/).size
    formatted << @inner.span(tok, val)
  end

  # add an extra line for non-newline-terminated strings
  if last_val[-1] != "\n"
    num_lines += 1
    @inner.span(Token::Tokens::Text::Whitespace, "\n") { |str| formatted << str }
  end

  # generate a string of newline-separated line numbers for the gutter>
  formatted_line_numbers = (@start_line..num_lines+@start_line-1).map do |i|
    sprintf("#{@line_format}", i) << "\n"
  end.join('')

  numbers = %(<pre class="lineno">#{formatted_line_numbers}</pre>)

  yield %(<table class="#@table_class"><tbody><tr>)

  # the "gl" class applies the style for Generic.Lineno
  yield %(<td class="#@gutter_class gl">)
  yield numbers
  yield '</td>'

  yield %(<td class="#@code_class"><pre>)
  yield formatted
  yield '</pre></td>'

  yield "</tr></tbody></table>"
end

#style(scope) {|"#{scope} .rouge-table { border-spacing: 0 }"| ... } ⇒ Object

Yields:

  • ("#{scope} .rouge-table { border-spacing: 0 }")

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# File 'lib/rouge/formatters/html_table.rb', line 17

def style(scope)
  yield "#{scope} .rouge-table { border-spacing: 0 }"
  yield "#{scope} .rouge-gutter { text-align: right }"
end