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# We're responsible for generating all the HTML files
# from the object tree defined in code_objects.rb. We
# generate:
#
# [files] an html file for each input file given. These
# input files appear as objects of class
# TopLevel
#
# [classes] an html file for each class or module encountered.
# These classes are not grouped by file: if a file
# contains four classes, we'll generate an html
# file for the file itself, and four html files
# for the individual classes.
#
# [indices] we generate three indices for files, classes,
# and methods. These are displayed in a browser
# like window with three index panes across the
# top and the selected description below
#
# Method descriptions appear in whatever entity (file, class,
# or module) that contains them.
#
# We generate files in a structure below a specified subdirectory,
# normally +doc+.
#
# opdir
# |
# |___ files
# | |__ per file summaries
# |
# |___ classes
# |__ per class/module descriptions
#
# HTML is generated using the Template class.
#
require 'ftools'
require 'rdoc/options'
require 'rdoc/template'
require 'rdoc/markup/simple_markup'
require 'rdoc/markup/simple_markup/to_flow'
require 'cgi'
require 'rdoc/ri/ri_writer'
require 'rdoc/ri/ri_descriptions'
module Generators
class RIGenerator
# Generators may need to return specific subclasses depending
# on the options they are passed. Because of this
# we create them using a factory
def RIGenerator.for(options)
new(options)
end
class <<self
protected :new
end
# Set up a new HTML generator. Basically all we do here is load
# up the correct output temlate
def initialize(options) #:not-new:
@options = options
@ri_writer = RI::RiWriter.new(options.op_dir)
@markup = SM::SimpleMarkup.new
@to_flow = SM::ToFlow.new
end
##
# Build the initial indices and output objects
# based on an array of TopLevel objects containing
# the extracted information.
def generate(toplevels)
RDoc::TopLevel.all_classes_and_modules.each do |cls|
process_class(cls)
end
end
def process_class(from_class)
generate_class_info(from_class)
# now recure into this classes constituent classess
from_class.each_classmodule do |mod|
process_class(mod)
end
end
def generate_class_info(cls)
cls_desc = RI::ClassDescription.new
cls_desc.name = cls.name
cls_desc.full_name = cls.full_name
cls_desc.superclass = cls.superclass
cls_desc.comment = markup(cls.comment)
cls_desc.attributes =cls.attributes.sort.map do |a|
RI::Attribute.new(a.name, a.rw, markup(a.comment))
end
cls_desc.constants = cls.constants.map do |c|
RI::Constant.new(c.name, c.value, markup(c.comment))
end
cls_desc.includes = cls.includes.map do |i|
RI::IncludedModule.new(i.name)
end
class_methods, instance_methods = method_list(cls)
cls_desc.class_methods = class_methods.map do |m|
RI::MethodSummary.new(m.name)
end
cls_desc.instance_methods = instance_methods.map do |m|
RI::MethodSummary.new(m.name)
end
@ri_writer.remove_class(cls_desc)
@ri_writer.add_class(cls_desc)
class_methods.each do |m|
generate_method_info(cls_desc, m)
end
instance_methods.each do |m|
generate_method_info(cls_desc, m)
end
end
def generate_method_info(cls_desc, method)
meth_desc = RI::MethodDescription.new
meth_desc.name = method.name
meth_desc.full_name = cls_desc.full_name
if method.singleton
meth_desc.full_name += "::"
else
meth_desc.full_name += "#"
end
meth_desc.full_name << method.name
meth_desc.comment = markup(method.comment)
meth_desc.params = params_of(method)
meth_desc.visibility = method.visibility.to_s
meth_desc.is_singleton = method.singleton
meth_desc.block_params = method.block_params
meth_desc.aliases = method.aliases.map do |a|
RI::AliasName.new(a.name)
end
@ri_writer.add_method(cls_desc, meth_desc)
end
private
# return a list of class and instance methods that we'll be
# documenting
def method_list(cls)
list = cls.method_list
unless @options.show_all
list = list.find_all do |m|
m.visibility == :public || m.force_documentation
end
end
c = []
i = []
list.sort.each do |m|
if m.singleton
c << m
else
i << m
end
end
return c,i
end
def params_of(method)
params = method.params || ""
if params =~ /^!verb!(.*)/m
p = $1
else
p = params.gsub(/\s*\#.*/, '')
p = p.tr("\n", " ").squeeze(" ")
p = "(" + p + ")" unless p[0] == ?(
if (block = method.block_params)
block.gsub!(/\s*\#.*/, '')
block = block.tr("\n", " ").squeeze(" ")
if block[0] == ?(
block.sub!(/^\(/, '').sub!(/\)/, '')
end
p << " {|#{block.strip}| ...}"
end
end
p
end
def markup(comment)
return nil if !comment || comment.empty?
# Convert leading comment markers to spaces, but only
# if all non-blank lines have them
if comment =~ /^(?>\s*)[^\#]/
content = comment
else
content = comment.gsub(/^\s*(#+)/) { $1.tr('#',' ') }
end
@markup.convert(content, @to_flow)
end
end
end
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