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Contents
# frozen_string_literal: true
module Asciidoctor
module PDF
module FormattedText
module SourceWrap
NoBreakSpace = ?\u00a0
# 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.
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.dup : nil
else # wrapped line
first_fragment[:text] = first_fragment[:text].lstrip
@arranger.unconsumed.unshift highlight_line if highlight_line
@arranger.unconsumed.unshift linenum_spacer.dup
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
end
module SourceLineWrap
def update_line_status_based_on_last_output
@arranger.current_format_state[:linenum] ? nil : super
end
end
end
end
end
Version data entries
36 entries across 36 versions & 1 rubygems