Class: Rouge::Formatters::HTMLLineTable

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

Instance Method Summary collapse

Methods inherited from Rouge::Formatter

disable_escape!, enable_escape!, #escape?, escape_enabled?, #filter_escapes, find, format, #format, #render, tag, #token_lines, with_escape

Constructor Details

#initialize(formatter, opts = {}) ⇒ HTMLLineTable

Returns a new instance of HTMLLineTable.

Parameters:

  • formatter (Rouge::Formatters::Formatter)

    An instance of a Rouge::Formatters::HTML or Rouge::Formatters::HTMLInline

  • opts (Hash) (defaults to: {})

    options for HTMLLineTable instance.

Options Hash (opts):

  • :start_line (Integer)

    line number to start from. Defaults to 1.

  • :table_class (String)

    Class name for the table. Defaults to "rouge-line-table".

  • :line_id (String)

    a sprintf template for generating an id attribute for each table row corresponding to current line number. Defaults to "line-%i".

  • :line_class (String)

    Class name for each table row. Defaults to "lineno".

  • :gutter_class (String)

    Class name for rendered line-number cell. Defaults to "rouge-gutter".

  • :code_class (String)

    Class name for rendered code cell. Defaults to "rouge-code".



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# File 'lib/rouge/formatters/html_line_table.rb', line 24

def initialize(formatter, opts={})
  @formatter    = formatter
  @start_line   = opts.fetch :start_line,   1
  @table_class  = opts.fetch :table_class,  'rouge-line-table'
  @gutter_class = opts.fetch :gutter_class, 'rouge-gutter'
  @code_class   = opts.fetch :code_class,   'rouge-code'
  @line_class   = opts.fetch :line_class,   'lineno'
  @line_id      = opts.fetch :line_id,      'line-%i'
end

Instance Method Details

#stream(tokens) {|buffer.join| ... } ⇒ Object

Yields:

  • (buffer.join)


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# File 'lib/rouge/formatters/html_line_table.rb', line 34

def stream(tokens, &b)
  lineno = @start_line - 1
  buffer = [%(<table class="#@table_class"><tbody>)]
  token_lines(tokens) do |line_tokens|
    lineno += 1
    buffer << %(<tr id="#{sprintf @line_id, lineno}" class="#@line_class">)
    buffer << %(<td class="#@gutter_class gl" )
    buffer << %(style="-moz-user-select: none;-ms-user-select: none;)
    buffer << %(-webkit-user-select: none;user-select: none;">)
    buffer << %(<pre>#{lineno}</pre></td>)
    buffer << %(<td class="#@code_class"><pre>)
    @formatter.stream(line_tokens) { |formatted| buffer << formatted }
    buffer << "\n</pre></td></tr>"
  end
  buffer << %(</tbody></table>)
  yield buffer.join
end