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#! /usr/bin/env ruby
# -*- encoding: utf-8 mode: ruby -*-
# comps.rb
# Copyright (C) 2009-2010 Red Hat, Inc.
# Authors:
# Akira TAGOH <tagoh@redhat.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
require 'rubygems'
gem 'hpricot'
require 'hpricot'
module Comps
=begin rdoc
== Comps::Package
=end
class Package
def initialize(name, type, requires)
@name = name
@type = type
@requires = requires
end # def initialize
attr_reader :name
def is_default?
@type == "mandatory" || @type == "default"
end # def is_default?
def is_mandatory?
@type == "mandatory"
end # def is_mandatory?
def <=>(b)
@name <=> b.name
end # def
end # class Package
=begin rdoc
== Comps::Group
=end
class Group
def initialize(name, lang, is_enabled, is_visible)
@name = name
@is_lang_support = !lang.nil? && !lang.empty?
@lang = lang
@is_enabled = is_enabled
@is_visible = is_visible
@packages = []
end # def initialize
attr_reader :name, :lang
def is_language_support?
@is_lang_support
end # def is_language_support?
def is_enabled?
@is_enabled
end # def is_enabled?
def is_visible?
@is_visible
end # def is_visible?
def push(*x)
@packages.push(*x)
end # def push
alias :<< :push
def packages(mode = :all)
case mode
when :all
@packages
when :default
@packages.map do |pkg|
pkg.is_default? ? pkg : nil
end.compact
else
STDERR.printf("W: unknown query mode: %s\n", mode)
end
end # def packages
def has_package?(package)
@packages.map do |pkg|
if package.kind_of?(Comps::Package) then
pkg.name == package.name
else
pkg.name == package
end
end.include?(true)
end # def has_package?
def package(package)
@package.each do |pkg|
if package.kind_of?(Comps::Package) then
return pkg if pkg.name == package.name
else
return pkg if pkg.name == package
end
end
nil
end # def package
end # class Group
=begin rdoc
== Comps::Root
=end
class Root
def initialize(file)
File.open(file) do |f|
x = f.read
@doc = Hpricot(x)
end
end # def initialize
def inspect
sprintf("#<%s:0x%x>", self.class, self.object_id)
end # def inspect
def group(name)
_groups.map do |g|
g.name == name ? g : nil
end.compact[0]
end # def group
def groups(mode = :all)
case mode
when :all
_groups
when :langonly
_groups.map do |g|
g.is_language_support? ? g : nil
end.compact
else
STDERR.printf("W: unknown query mode: %s\n", mode)
end
end # def groups
private
def _groups
retval = []
@doc.search("group") do |element|
id = element.search("id")
if id.empty? then
STDERR.printf("W: invalid entry: %s", element.pretty_print)
else
lang = element.search("langonly")
default = element.search("default")
visible = element.search("uservisible")
retval << Comps::Group.new(id.inner_html, lang.inner_html, default.inner_html == "true", visible.inner_html == "true")
list = element.search("packagereq")
list.each do |pkg|
retval[-1] << Comps::Package.new(pkg.inner_html, pkg[:type], pkg[:conditional])
end
end
end
retval
end # def _groups
end # class Root
end # module Comps
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