# frozen_string_literal: false
##
# Joins the parts of an RDoc::Markup::Paragraph into a single String.
#
# This allows for easier maintenance and testing of Markdown support.
#
# This formatter only works on Paragraph instances. Attempting to process
# other markup syntax items will not work.
class RDoc::Markup::ToJoinedParagraph < RDoc::Markup::Formatter
def initialize # :nodoc:
super nil
end
def start_accepting # :nodoc:
end
def end_accepting # :nodoc:
end
##
# Converts the parts of +paragraph+ to a single entry.
def accept_paragraph paragraph
parts = []
string = false
paragraph.parts.each do |part|
if String === part then
if string then
string << part
else
parts << part
string = part
end
else
parts << part
string = false
end
end
parts = parts.map do |part|
if String === part then
part.rstrip
else
part
end
end
# TODO use Enumerable#chunk when Ruby 1.8 support is dropped
#parts = paragraph.parts.chunk do |part|
# String === part
#end.map do |string, chunk|
# string ? chunk.join.rstrip : chunk
#end.flatten
paragraph.parts.replace parts
end
alias accept_block_quote ignore
alias accept_heading ignore
alias accept_list_end ignore
alias accept_list_item_end ignore
alias accept_list_item_start ignore
alias accept_list_start ignore
alias accept_raw ignore
alias accept_rule ignore
alias accept_verbatim ignore
end
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