Current File : //opt/cpanel/ea-ruby27/root/usr/share/gems/gems/rdoc-6.2.1.1/lib/rdoc/context/section.rb
# frozen_string_literal: true
##
# A section of documentation like:
#
# # :section: The title
# # The body
#
# Sections can be referenced multiple times and will be collapsed into a
# single section.
class RDoc::Context::Section
include RDoc::Text
MARSHAL_VERSION = 0 # :nodoc:
##
# Section comment
attr_reader :comment
##
# Section comments
attr_reader :comments
##
# Context this Section lives in
attr_reader :parent
##
# Section title
attr_reader :title
@@sequence = "SEC00000"
##
# Creates a new section with +title+ and +comment+
def initialize parent, title, comment
@parent = parent
@title = title ? title.strip : title
@@sequence = @@sequence.succ
@sequence = @@sequence.dup
@comments = []
add_comment comment
end
##
# Sections are equal when they have the same #title
def == other
self.class === other and @title == other.title
end
alias eql? ==
##
# Adds +comment+ to this section
def add_comment comment
comment = extract_comment comment
return if comment.empty?
case comment
when RDoc::Comment then
@comments << comment
when RDoc::Markup::Document then
@comments.concat comment.parts
when Array then
@comments.concat comment
else
raise TypeError, "unknown comment type: #{comment.inspect}"
end
end
##
# Anchor reference for linking to this section
def aref
title = @title || '[untitled]'
CGI.escape(title).gsub('%', '-').sub(/^-/, '')
end
##
# Extracts the comment for this section from the original comment block.
# If the first line contains :section:, strip it and use the rest.
# Otherwise remove lines up to the line containing :section:, and look
# for those lines again at the end and remove them. This lets us write
#
# # :section: The title
# # The body
def extract_comment comment
case comment
when Array then
comment.map do |c|
extract_comment c
end
when nil
RDoc::Comment.new ''
when RDoc::Comment then
if comment.text =~ /^#[ \t]*:section:.*\n/ then
start = $`
rest = $'
comment.text = if start.empty? then
rest
else
rest.sub(/#{start.chomp}\Z/, '')
end
end
comment
when RDoc::Markup::Document then
comment
else
raise TypeError, "unknown comment #{comment.inspect}"
end
end
def inspect # :nodoc:
"#<%s:0x%x %p>" % [self.class, object_id, title]
end
def hash # :nodoc:
@title.hash
end
##
# The files comments in this section come from
def in_files
return [] if @comments.empty?
case @comments
when Array then
@comments.map do |comment|
comment.file
end
when RDoc::Markup::Document then
@comment.parts.map do |document|
document.file
end
else
raise RDoc::Error, "BUG: unknown comment class #{@comments.class}"
end
end
##
# Serializes this Section. The title and parsed comment are saved, but not
# the section parent which must be restored manually.
def marshal_dump
[
MARSHAL_VERSION,
@title,
parse,
]
end
##
# De-serializes this Section. The section parent must be restored manually.
def marshal_load array
@parent = nil
@title = array[1]
@comments = array[2]
end
##
# Parses +comment_location+ into an RDoc::Markup::Document composed of
# multiple RDoc::Markup::Documents with their file set.
def parse
case @comments
when String then
super
when Array then
docs = @comments.map do |comment, location|
doc = super comment
doc.file = location if location
doc
end
RDoc::Markup::Document.new(*docs)
when RDoc::Comment then
doc = super @comments.text, comments.format
doc.file = @comments.location
doc
when RDoc::Markup::Document then
return @comments
else
raise ArgumentError, "unknown comment class #{comments.class}"
end
end
##
# The section's title, or 'Top Section' if the title is nil.
#
# This is used by the table of contents template so the name is silly.
def plain_html
@title || 'Top Section'
end
##
# Removes a comment from this section if it is from the same file as
# +comment+
def remove_comment comment
return if @comments.empty?
case @comments
when Array then
@comments.delete_if do |my_comment|
my_comment.file == comment.file
end
when RDoc::Markup::Document then
@comments.parts.delete_if do |document|
document.file == comment.file.name
end
else
raise RDoc::Error, "BUG: unknown comment class #{@comments.class}"
end
end
##
# Section sequence number (deprecated)
def sequence
warn "RDoc::Context::Section#sequence is deprecated, use #aref"
@sequence
end
end
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