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require 'rdoc/rdoc'
require 'rdoc/generator'
require 'rdoc/markup/to_texinfo'
module RDoc
module Generator
# This generates Texinfo files for viewing with GNU Info or Emacs
# from RDoc extracted from Ruby source files.
class TEXINFO
# What should the .info file be named by default?
DEFAULT_INFO_FILENAME = 'rdoc.info'
include Generator::MarkUp
# Accept some options
def initialize(options)
@options = options
@options.inline_source = true
@options.op_name ||= 'rdoc.texinfo'
@options.formatter = ::RDoc::Markup::ToTexInfo.new
end
# Generate the +texinfo+ files
def generate(toplevels)
@toplevels = toplevels
@files, @classes = ::RDoc::Generator::Context.build_indices(@toplevels,
@options)
(@files + @classes).each { |x| x.value_hash }
open(@options.op_name, 'w') do |f|
f.puts TexinfoTemplate.new('files' => @files,
'classes' => @classes,
'filename' => @options.op_name.gsub(/texinfo/, 'info'),
'title' => @options.title).render
end
# TODO: create info files and install?
end
class << self
# Factory? We don't need no stinkin' factory!
alias_method :for, :new
end
end
# Basically just a wrapper around ERB.
# Should probably use RDoc::TemplatePage instead
class TexinfoTemplate
BASE_DIR = ::File.expand_path(::File.dirname(__FILE__)) # have to calculate this when the file's loaded.
def initialize(values, file = 'texinfo.erb')
@v, @file = [values, file]
end
def template
::File.read(::File.join(BASE_DIR, 'texinfo', @file))
end
# Go!
def render
ERB.new(template).result binding
end
def href(location, text)
text # TODO: how does texinfo do hyperlinks?
end
def target(name, text)
text # TODO: how do hyperlink targets work?
end
# TODO: this is probably implemented elsewhere?
def method_prefix(section)
{ 'Class' => '.',
'Module' => '::',
'Instance' => '#',
}[section['category']]
end
end
end
end
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