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##
# Handle common RDoc::Markup tasks for various CodeObjects
#
# This module is loaded by generators. It allows RDoc's CodeObject tree to
# avoid loading generator code to improve startup time for +ri+.
module RDoc::Generator::Markup
##
# Generates a relative URL from this object's path to +target_path+
def aref_to(target_path)
RDoc::Markup::ToHtml.gen_relative_url path, target_path
end
##
# Generates a relative URL from +from_path+ to this object's path
def as_href(from_path)
RDoc::Markup::ToHtml.gen_relative_url from_path, path
end
##
# Handy wrapper for marking up this object's comment
def description
markup @comment
end
##
# Creates an RDoc::Markup::ToHtmlCrossref formatter
def formatter
return @formatter if defined? @formatter
options = @store.rdoc.options
this = RDoc::Context === self ? self : @parent
@formatter = RDoc::Markup::ToHtmlCrossref.new options, this.path, this
@formatter.code_object = self
@formatter
end
##
# Build a webcvs URL starting for the given +url+ with +full_path+ appended
# as the destination path. If +url+ contains '%s' +full_path+ will be
# will replace the %s using sprintf on the +url+.
def cvs_url(url, full_path)
if /%s/ =~ url then
sprintf url, full_path
else
url + full_path
end
end
end
class RDoc::CodeObject
include RDoc::Generator::Markup
end
class RDoc::MethodAttr
@add_line_numbers = false
class << self
##
# Allows controlling whether <tt>#markup_code</tt> adds line numbers to
# the source code.
attr_accessor :add_line_numbers
end
##
# Prepend +src+ with line numbers. Relies on the first line of a source
# code listing having:
#
# # File xxxxx, line dddd
#
# If it has this comment then line numbers are added to +src+ and the <tt>,
# line dddd</tt> portion of the comment is removed.
def add_line_numbers(src)
return unless src.sub!(/\A(.*)(, line (\d+))/, '\1')
first = $3.to_i - 1
last = first + src.count("\n")
size = last.to_s.length
line = first
src.gsub!(/^/) do
res = if line == first then
" " * (size + 1)
else
"<span class=\"line-num\">%2$*1$d</span> " % [size, line]
end
line += 1
res
end
end
##
# Turns the method's token stream into HTML.
#
# Prepends line numbers if +add_line_numbers+ is true.
def markup_code
return '' unless @token_stream
src = RDoc::TokenStream.to_html @token_stream
# dedent the source
indent = src.length
lines = src.lines.to_a
lines.shift if src =~ /\A.*#\ *File/i # remove '# File' comment
lines.each do |line|
if line =~ /^ *(?=\S)/
n = $&.length
indent = n if n < indent
break if n == 0
end
end
src.gsub!(/^#{' ' * indent}/, '') if indent > 0
add_line_numbers(src) if RDoc::MethodAttr.add_line_numbers
src
end
end
class RDoc::ClassModule
##
# Handy wrapper for marking up this class or module's comment
def description
markup @comment_location
end
end
class RDoc::Context::Section
include RDoc::Generator::Markup
end
class RDoc::TopLevel
##
# Returns a URL for this source file on some web repository. Use the -W
# command line option to set.
def cvs_url
url = @store.rdoc.options.webcvs
if /%s/ =~ url then
url % @relative_name
else
url + @relative_name
end
end
end