diff options
Diffstat (limited to 'ruby_1_8_6/lib/rss/maker/base.rb')
| -rw-r--r-- | ruby_1_8_6/lib/rss/maker/base.rb | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/ruby_1_8_6/lib/rss/maker/base.rb b/ruby_1_8_6/lib/rss/maker/base.rb deleted file mode 100644 index 2327dd98e4..0000000000 --- a/ruby_1_8_6/lib/rss/maker/base.rb +++ /dev/null @@ -1,546 +0,0 @@ -require 'forwardable' - -require 'rss/rss' - -module RSS - module Maker - - module Base - - def self.append_features(klass) - super - - klass.module_eval(<<-EOC, __FILE__, __LINE__) - - OTHER_ELEMENTS = [] - NEED_INITIALIZE_VARIABLES = [] - - def self.inherited(subclass) - subclass.const_set("OTHER_ELEMENTS", []) - subclass.const_set("NEED_INITIALIZE_VARIABLES", []) - - subclass.module_eval(<<-EOEOC, __FILE__, __LINE__) - def self.other_elements - OTHER_ELEMENTS + super - end - - def self.need_initialize_variables - NEED_INITIALIZE_VARIABLES + super - end - EOEOC - end - - def self.add_other_element(variable_name) - OTHER_ELEMENTS << variable_name - end - - def self.other_elements - OTHER_ELEMENTS - end - - def self.add_need_initialize_variable(variable_name, init_value="nil") - NEED_INITIALIZE_VARIABLES << [variable_name, init_value] - end - - def self.need_initialize_variables - NEED_INITIALIZE_VARIABLES - end - - def self.def_array_element(name) - include Enumerable - extend Forwardable - - def_delegators("@\#{name}", :<<, :[], :[]=, :first, :last) - def_delegators("@\#{name}", :push, :pop, :shift, :unshift) - def_delegators("@\#{name}", :each, :size) - - add_need_initialize_variable(name, "[]") - end - EOC - end - - def initialize(maker) - @maker = maker - initialize_variables - end - - def have_required_values? - true - end - - private - def initialize_variables - self.class.need_initialize_variables.each do |variable_name, init_value| - instance_eval("@#{variable_name} = #{init_value}", __FILE__, __LINE__) - end - end - - def setup_other_elements(rss) - self.class.other_elements.each do |element| - __send__("setup_#{element}", rss, current_element(rss)) - end - end - - def current_element(rss) - rss - end - - def setup_values(target) - set = false - if have_required_values? - variables.each do |var| - setter = "#{var}=" - if target.respond_to?(setter) - value = __send__(var) - if value - target.__send__(setter, value) - set = true - end - end - end - end - set - end - - def variables - self.class.need_initialize_variables.find_all do |name, init| - "nil" == init - end.collect do |name, init| - name - end - end - - def variable_is_set? - variables.find {|var| !__send__(var).nil?} - end - - def not_set_required_variables - required_variable_names.find_all do |var| - __send__(var).nil? - end - end - - def required_variables_are_set? - required_variable_names.each do |var| - return false if __send__(var).nil? - end - true - end - - end - - class RSSBase - include Base - - class << self - def make(&block) - new.make(&block) - end - end - - %w(xml_stylesheets channel image items textinput).each do |element| - attr_reader element - add_need_initialize_variable(element, "make_#{element}") - module_eval(<<-EOC, __FILE__, __LINE__) - private - def setup_#{element}(rss) - @#{element}.to_rss(rss) - end - - def make_#{element} - self.class::#{Utils.to_class_name(element)}.new(self) - end -EOC - end - - attr_reader :rss_version - attr_accessor :version, :encoding, :standalone - - def initialize(rss_version) - super(self) - @rss_version = rss_version - @version = "1.0" - @encoding = "UTF-8" - @standalone = nil - end - - def make - if block_given? - yield(self) - to_rss - else - nil - end - end - - def to_rss - rss = make_rss - setup_xml_stylesheets(rss) - setup_elements(rss) - setup_other_elements(rss) - if rss.channel - rss - else - nil - end - end - - private - remove_method :make_xml_stylesheets - def make_xml_stylesheets - XMLStyleSheets.new(self) - end - - end - - class XMLStyleSheets - include Base - - def_array_element("xml_stylesheets") - - def to_rss(rss) - @xml_stylesheets.each do |xss| - xss.to_rss(rss) - end - end - - def new_xml_stylesheet - xss = XMLStyleSheet.new(@maker) - @xml_stylesheets << xss - if block_given? - yield xss - else - xss - end - end - - class XMLStyleSheet - include Base - - ::RSS::XMLStyleSheet::ATTRIBUTES.each do |attribute| - attr_accessor attribute - add_need_initialize_variable(attribute) - end - - def to_rss(rss) - xss = ::RSS::XMLStyleSheet.new - guess_type_if_need(xss) - set = setup_values(xss) - if set - rss.xml_stylesheets << xss - end - end - - def have_required_values? - @href and @type - end - - private - def guess_type_if_need(xss) - if @type.nil? - xss.href = @href - @type = xss.type - end - end - end - end - - class ChannelBase - include Base - - %w(cloud categories skipDays skipHours).each do |element| - attr_reader element - add_other_element(element) - add_need_initialize_variable(element, "make_#{element}") - module_eval(<<-EOC, __FILE__, __LINE__) - private - def setup_#{element}(rss, current) - @#{element}.to_rss(rss, current) - end - - def make_#{element} - self.class::#{Utils.to_class_name(element)}.new(@maker) - end -EOC - end - - %w(about title link description language copyright - managingEditor webMaster rating docs date - lastBuildDate generator ttl).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - alias_method(:pubDate, :date) - alias_method(:pubDate=, :date=) - - def current_element(rss) - rss.channel - end - - class SkipDaysBase - include Base - - def_array_element("days") - - def new_day - day = self.class::Day.new(@maker) - @days << day - if block_given? - yield day - else - day - end - end - - def current_element(rss) - rss.channel.skipDays - end - - class DayBase - include Base - - %w(content).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - def current_element(rss) - rss.channel.skipDays.last - end - - end - end - - class SkipHoursBase - include Base - - def_array_element("hours") - - def new_hour - hour = self.class::Hour.new(@maker) - @hours << hour - if block_given? - yield hour - else - hour - end - end - - def current_element(rss) - rss.channel.skipHours - end - - class HourBase - include Base - - %w(content).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - def current_element(rss) - rss.channel.skipHours.last - end - - end - end - - class CloudBase - include Base - - %w(domain port path registerProcedure protocol).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - def current_element(rss) - rss.channel.cloud - end - - end - - class CategoriesBase - include Base - - def_array_element("categories") - - def new_category - category = self.class::Category.new(@maker) - @categories << category - if block_given? - yield category - else - category - end - end - - class CategoryBase - include Base - - %w(domain content).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - end - end - end - - class ImageBase - include Base - - %w(title url width height description).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - def link - @maker.channel.link - end - - def current_element(rss) - rss.image - end - end - - class ItemsBase - include Base - - def_array_element("items") - - attr_accessor :do_sort, :max_size - - def initialize(maker) - super - @do_sort = false - @max_size = -1 - end - - def normalize - if @max_size >= 0 - sort_if_need[0...@max_size] - else - sort_if_need[0..@max_size] - end - end - - def current_element(rss) - rss.items - end - - def new_item - item = self.class::Item.new(@maker) - @items << item - if block_given? - yield item - else - item - end - end - - private - def sort_if_need - if @do_sort.respond_to?(:call) - @items.sort do |x, y| - @do_sort.call(x, y) - end - elsif @do_sort - @items.sort do |x, y| - y <=> x - end - else - @items - end - end - - class ItemBase - include Base - - %w(guid enclosure source categories).each do |element| - attr_reader element - add_other_element(element) - add_need_initialize_variable(element, "make_#{element}") - module_eval(<<-EOC, __FILE__, __LINE__) - private - def setup_#{element}(rss, current) - @#{element}.to_rss(rss, current) - end - - def make_#{element} - self.class::#{Utils.to_class_name(element)}.new(@maker) - end -EOC - end - - %w(title link description date author comments).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - alias_method(:pubDate, :date) - alias_method(:pubDate=, :date=) - - def <=>(other) - if date and other.date - date <=> other.date - elsif date - 1 - elsif other.date - -1 - else - 0 - end - end - - def current_element(rss) - rss.items.last - end - - class GuidBase - include Base - - %w(isPermaLink content).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - end - - class EnclosureBase - include Base - - %w(url length type).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - end - - class SourceBase - include Base - - %w(url content).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - end - - CategoriesBase = ChannelBase::CategoriesBase - - end - end - - class TextinputBase - include Base - - %w(title description name link).each do |element| - attr_accessor element - add_need_initialize_variable(element) - end - - def current_element(rss) - rss.textinput - end - - end - - end -end |