Module: Asciidoctor::PDF::FormattedText::SourceWrap
- Defined in:
- lib/asciidoctor/pdf/formatted_text/source_wrap.rb
Constant Summary collapse
- NoBreakSpace =
?\u00a0
Instance Method Summary collapse
-
#wrap(array) ⇒ Object
Override Prawn::Text::Formatted::Box#wrap method to add line numbers in source blocks.
Instance Method Details
#wrap(array) ⇒ Object
Override Prawn::Text::Formatted::Box#wrap method to add line numbers in source blocks. Note that this implementation assumes that the :single_line option is falsy.
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# File 'lib/asciidoctor/pdf/formatted_text/source_wrap.rb', line 11 def wrap array return super unless array[0][:linenum] # sanity check initialize_wrap array @line_wrap.extend SourceLineWrap highlight_line = stop = nil unconsumed = @arranger.unconsumed until stop if (first_fragment = unconsumed[0])[:linenum] linenum_text = first_fragment[:text] linenum_spacer ||= { text: (NoBreakSpace.encode linenum_text.encoding) + (' ' * (linenum_text.length - 1)), linenum: :spacer } highlight_line = (second_fragment = unconsumed[1])[:highlight] ? second_fragment.merge : nil else # wrapped line first_fragment[:text] = first_fragment[:text].lstrip @arranger.unconsumed.unshift highlight_line if highlight_line @arranger.unconsumed.unshift linenum_spacer.merge end @line_wrap.wrap_line \ document: @document, kerning: @kerning, width: @width, arranger: @arranger, disable_wrap_by_char: @disable_wrap_by_char if enough_height_for_this_line? move_baseline_down print_line stop = @arranger.finished? else stop = true end end @text = @printed_lines.join ?\n @everything_printed = @arranger.finished? @arranger.unconsumed end |